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<div class="title">search_theorem_producer.cpp</div> </div>
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<a href="search__theorem__producer_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*****************************************************************************/</span><span class="comment"></span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">/*!</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * \file search_theorem_producer.cpp</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * \brief Implementation of the proof rules for the simple search engine</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * </span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * Author: Sergey Berezin</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * </span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * Created: Mon Feb 24 14:51:51 2003</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * <hr></span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * License to use, copy, modify, sell and/or distribute this software</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * and its documentation for any purpose is hereby granted without</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * royalty, subject to the terms and conditions defined in the \ref</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * LICENSE file provided with this distribution.</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * </span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * <hr></span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * </span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment">/*****************************************************************************/</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include "<a class="code" href="search_8h.html" title="Abstract API to the proof search engine.">search.h</a>"</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "<a class="code" href="theory__core_8h.html">theory_core.h</a>"</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include "<a class="code" href="theorem__manager_8h.html">theorem_manager.h</a>"</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include "<a class="code" href="common__proof__rules_8h.html">common_proof_rules.h</a>"</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include "<a class="code" href="command__line__flags_8h.html">command_line_flags.h</a>"</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include "<a class="code" href="theory__arith_8h.html">theory_arith.h</a>"</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment">// UNCOMMENT THIS FOR LFSC</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include "<a class="code" href="LFSCPrinter_8h.html">LFSCPrinter.h</a>"</span> <span class="comment">// by liana for LFSC conversion</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div>
<div class="line"><a name="l00031"></a><span class="lineno"><a class="code" href="search__theorem__producer_8cpp.html#a8663c36bbf15bb5a0dcb01b97897fa95"> 31</a></span> <span class="preprocessor">#define _CVC3_TRUSTED_</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor"></span><span class="preprocessor">#include "<a class="code" href="search__theorem__producer_8h.html" title="Implementation API to proof rules for the simple search engine.">search_theorem_producer.h</a>"</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> </div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="keyword">using namespace </span>std;</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="keyword">using namespace </span>CVC3;</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment"></span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment">/////////////////////////////////////////////////////////////////////////////</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment"></span><span class="comment">// class SearchEngine trusted methods</span><span class="comment"></span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment">/////////////////////////////////////////////////////////////////////////////</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="comment"></span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> </div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> </div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <a class="code" href="classCVC3_1_1SearchEngineRules.html" title="API to the proof rules for the Search Engines.">SearchEngineRules</a>*</div>
<div class="line"><a name="l00046"></a><span class="lineno"><a class="code" href="group__SE.html#ga11dd236b3ba4ca5faad7563dfe6f3d72"> 46</a></span> SearchEngine::createRules() {</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html">SearchEngineTheoremProducer</a>(d_core->getTM());</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> }</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> </div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> </div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="comment">// hack for printing original assumptions in LFSC by liana</span></div>
<div class="line"><a name="l00052"></a><span class="lineno"><a class="code" href="search__theorem__producer_8cpp.html#ad48a265d67710c19ae70a239a42cc9f3"> 52</a></span> <span class="keywordtype">bool</span> <a class="code" href="search__theorem__producer_8cpp.html#ad48a265d67710c19ae70a239a42cc9f3">lfsc_called</a> = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00053"></a><span class="lineno"><a class="code" href="search__theorem__producer_8cpp.html#a735bfac5de1621927af23c4fbc78c257"> 53</a></span> <a class="code" href="classCVC3_1_1SearchEngine.html" title="API to to a generic proof search engine.">SearchEngine</a>* <a class="code" href="search__theorem__producer_8cpp.html#a735bfac5de1621927af23c4fbc78c257">search_engine</a>;</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <a class="code" href="classCVC3_1_1SearchEngineRules.html" title="API to the proof rules for the Search Engines.">SearchEngineRules</a>*</div>
<div class="line"><a name="l00056"></a><span class="lineno"><a class="code" href="group__SE.html#ga5ee040962725cff9a07cd33cbb6d6232"> 56</a></span> SearchEngine::createRules(<a class="code" href="classCVC3_1_1SearchEngine.html" title="API to to a generic proof search engine.">SearchEngine</a>* s_eng) {</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <a class="code" href="search__theorem__producer_8cpp.html#a735bfac5de1621927af23c4fbc78c257">search_engine</a> = s_eng;</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html">SearchEngineTheoremProducer</a>(d_core->getTM());</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> }</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> </div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div>
<div class="line"><a name="l00062"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#ad09ba717299f8684495e218548a43533"> 62</a></span> SearchEngineTheoremProducer::SearchEngineTheoremProducer(<a class="code" href="classCVC3_1_1TheoremManager.html">TheoremManager</a>* tm)</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  : <a class="code" href="classCVC3_1_1TheoremProducer.html">TheoremProducer</a>(tm), d_commonRules(tm->getRules())</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> { }</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="comment"></span></div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="comment">/////////////////////////////////////////////////////////////////////////////</span></div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="comment"></span><span class="comment">// Proof rules</span><span class="comment"></span></div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="comment">/////////////////////////////////////////////////////////////////////////////</span></div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="comment"></span></div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="comment">// Proof by contradiction: !A |- FALSE ==> |- A. "!A" doesn't</span></div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="comment">// have to be present in the assumptions.</span></div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a></div>
<div class="line"><a name="l00074"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#a671a24b65b564dff6588925ecfcb5f60"> 74</a></span> <a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#a671a24b65b564dff6588925ecfcb5f60" title="Proof by contradiction: .">SearchEngineTheoremProducer::proofByContradiction</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& a,</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& pfFalse) {</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordflow">if</span>(<a class="code" href="theorem__producer_8h.html#a74a97b789e1a9e6c016291960c657445">CHECK_PROOFS</a>)</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <a class="code" href="theorem__producer_8h.html#a03dbe872f723d32fd975528f811d646e">CHECK_SOUND</a>(pfFalse.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>().<a class="code" href="group__ExprPkg.html#ga6173f64b22cba76472cd0c814bbf6dae">isFalse</a>(),</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="stringliteral">"proofByContradiction: pfFalse = : "</span> + pfFalse.<a class="code" href="classCVC3_1_1Theorem.html#ac4b1c9570ffb9cc901627ef2abb9ff77">toString</a>());</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> not_a(!a);</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <a class="code" href="classCVC3_1_1Assumptions.html">Assumptions</a> assump(pfFalse.<a class="code" href="classCVC3_1_1Theorem.html#a5e9ab00a613df15cc02f55edb55a67b3">getAssumptionsRef</a>() - not_a);</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <a class="code" href="classCVC3_1_1Proof.html">Proof</a> pf;</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordflow">if</span>(<a class="code" href="classCVC3_1_1TheoremProducer.html#aceb1eeebc6b491b3241f463488471f3a" title="Testing whether to generate proofs.">withProof</a>()) {</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="comment">// TODO: optimize with 1 traversal?</span></div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a> thm(pfFalse.<a class="code" href="classCVC3_1_1Theorem.html#a5e9ab00a613df15cc02f55edb55a67b3">getAssumptionsRef</a>()[not_a]);</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <a class="code" href="classCVC3_1_1Proof.html">Proof</a> u; <span class="comment">// proof label for !aLFSCL</span></div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordflow">if</span>(!thm.isNull()) u = thm.getProof();</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="comment">// Proof compaction: if u is Null, use "FALSE => A" rule</span></div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keywordflow">if</span>(u.isNull()){</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  pf = <a class="code" href="classCVC3_1_1TheoremProducer.html#a9a8e67b1fb33d5dfe428a659d8c66651">newPf</a>(<span class="stringliteral">"false_implies_anything"</span>, a, pfFalse.<a class="code" href="classCVC3_1_1Theorem.html#a2d8352c07a756c3837683a27a1e659ef">getProof</a>());</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordflow">if</span>(!<a class="code" href="search__theorem__producer_8cpp.html#ad48a265d67710c19ae70a239a42cc9f3">lfsc_called</a>){</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#a211e687727973cff1b055a7302d562ae">satProof</a>(a, pf);</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  }</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  }</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  pf = <a class="code" href="classCVC3_1_1TheoremProducer.html#a9a8e67b1fb33d5dfe428a659d8c66651">newPf</a>(<span class="stringliteral">"pf_by_contradiction"</span>, a,</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="comment">// LAMBDA-abstraction (LAMBDA (u: !a): pfFalse)</span></div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <a class="code" href="classCVC3_1_1TheoremProducer.html#a9a8e67b1fb33d5dfe428a659d8c66651">newPf</a>(u, not_a, pfFalse.<a class="code" href="classCVC3_1_1Theorem.html#a2d8352c07a756c3837683a27a1e659ef">getProof</a>()));</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  }</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1TheoremProducer.html#ab3afa2471d244b129865548afe06ca89" title="Create a new theorem. See also newRWTheorem() and newReflTheorem()">newTheorem</a>(a, assump, pf);</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> }</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  </div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="comment">// Similar rule, only negation introduction:</span></div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="comment">// A |- FALSE ==> !A</span></div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a></div>
<div class="line"><a name="l00105"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#a7f69d40a18ab9b66200d24ccc92c2ae9"> 105</a></span> <a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#a7f69d40a18ab9b66200d24ccc92c2ae9" title="Negation introduction: .">SearchEngineTheoremProducer::negIntro</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& not_a,</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& pfFalse) {</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keywordflow">if</span>(<a class="code" href="theorem__producer_8h.html#a74a97b789e1a9e6c016291960c657445">CHECK_PROOFS</a>) {</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <a class="code" href="theorem__producer_8h.html#a03dbe872f723d32fd975528f811d646e">CHECK_SOUND</a>(pfFalse.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>().<a class="code" href="group__ExprPkg.html#ga6173f64b22cba76472cd0c814bbf6dae">isFalse</a>(),</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="stringliteral">"negIntro: pfFalse = : "</span> + pfFalse.<a class="code" href="classCVC3_1_1Theorem.html#ac4b1c9570ffb9cc901627ef2abb9ff77">toString</a>());</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <a class="code" href="theorem__producer_8h.html#a03dbe872f723d32fd975528f811d646e">CHECK_SOUND</a>(not_a.<a class="code" href="group__ExprPkg.html#ga1a898858ccadce833df5a294c7740f11">isNot</a>(), <span class="stringliteral">"negIntro: not_a = "</span>+not_a.<a class="code" href="group__ExprPkg.html#gaf3028bb1619f8cc69b66ec712e1adb54" title="Print the expression to a string.">toString</a>());</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  }</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span> </div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> a(not_a[0]);</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <a class="code" href="classCVC3_1_1Assumptions.html">Assumptions</a> assump(pfFalse.<a class="code" href="classCVC3_1_1Theorem.html#a5e9ab00a613df15cc02f55edb55a67b3">getAssumptionsRef</a>() - a);</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <a class="code" href="classCVC3_1_1Proof.html">Proof</a> pf;</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordflow">if</span>(<a class="code" href="classCVC3_1_1TheoremProducer.html#aceb1eeebc6b491b3241f463488471f3a" title="Testing whether to generate proofs.">withProof</a>()) {</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a> thm(pfFalse.<a class="code" href="classCVC3_1_1Theorem.html#a5e9ab00a613df15cc02f55edb55a67b3">getAssumptionsRef</a>()[a]);</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <a class="code" href="classCVC3_1_1Proof.html">Proof</a> u; <span class="comment">// proof label for 'a'</span></div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordflow">if</span>(!thm.isNull()) u = thm.getProof();</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="comment">// Proof compaction: if u is Null, use "FALSE => !A" rule</span></div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keywordflow">if</span>(u.isNull())</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  pf = <a class="code" href="classCVC3_1_1TheoremProducer.html#a9a8e67b1fb33d5dfe428a659d8c66651">newPf</a>(<span class="stringliteral">"false_implies_anything"</span>, not_a, pfFalse.<a class="code" href="classCVC3_1_1Theorem.html#a2d8352c07a756c3837683a27a1e659ef">getProof</a>());</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span> </div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  pf = <a class="code" href="classCVC3_1_1TheoremProducer.html#a9a8e67b1fb33d5dfe428a659d8c66651">newPf</a>(<span class="stringliteral">"neg_intro"</span>, not_a,</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="comment">// LAMBDA-abstraction (LAMBDA (u: a): pfFalse)</span></div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <a class="code" href="classCVC3_1_1TheoremProducer.html#a9a8e67b1fb33d5dfe428a659d8c66651">newPf</a>(u, a, pfFalse.<a class="code" href="classCVC3_1_1Theorem.html#a2d8352c07a756c3837683a27a1e659ef">getProof</a>()));</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  }</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1TheoremProducer.html#ab3afa2471d244b129865548afe06ca89" title="Create a new theorem. See also newRWTheorem() and newReflTheorem()">newTheorem</a>(not_a, assump, pf);</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> }</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  </div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span> </div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="comment">// Case split: u1:A |- C, u2:!A |- C ==> |- C</span></div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a></div>
<div class="line"><a name="l00135"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#a68990fddbfff890590e69e239a3110fe"> 135</a></span> <a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#a68990fddbfff890590e69e239a3110fe" title="Case split: .">SearchEngineTheoremProducer::caseSplit</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& a,</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& a_proves_c,</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& not_a_proves_c) {</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> c(a_proves_c.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> </div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordflow">if</span>(<a class="code" href="theorem__producer_8h.html#a74a97b789e1a9e6c016291960c657445">CHECK_PROOFS</a>) {</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <a class="code" href="theorem__producer_8h.html#a03dbe872f723d32fd975528f811d646e">CHECK_SOUND</a>(c == not_a_proves_c.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>(), </div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="stringliteral">"caseSplit: conclusions differ:\n positive case C = "</span></div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  + c.<a class="code" href="group__ExprPkg.html#gaf3028bb1619f8cc69b66ec712e1adb54" title="Print the expression to a string.">toString</a>() + <span class="stringliteral">"\n negative case C = "</span></div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  + not_a_proves_c.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>().<a class="code" href="group__ExprPkg.html#gaf3028bb1619f8cc69b66ec712e1adb54" title="Print the expression to a string.">toString</a>());</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="comment">// The opposite assumption should not appear in the theorems</span></div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="comment">// Actually, this doesn't violate soundness, no reason to check</span></div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <span class="comment">// CHECK_SOUND(a_proves_c.getAssumptions()[!a].isNull(), </span></div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="comment">// "caseSplit: wrong assumption: " + (!a).toString()</span></div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="comment">// +"\n in "+a_proves_c.toString());</span></div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> <span class="comment">// CHECK_SOUND(not_a_proves_c.getAssumptions()[a].isNull(), </span></div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> <span class="comment">// "caseSplit: wrong assumption: " + a.toString()</span></div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="comment">// +"\n in "+not_a_proves_c.toString());</span></div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  }</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> </div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Assumptions.html">Assumptions</a>& a1(a_proves_c.<a class="code" href="classCVC3_1_1Theorem.html#a5e9ab00a613df15cc02f55edb55a67b3">getAssumptionsRef</a>());</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Assumptions.html">Assumptions</a>& a2(not_a_proves_c.<a class="code" href="classCVC3_1_1Theorem.html#a5e9ab00a613df15cc02f55edb55a67b3">getAssumptionsRef</a>());</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <a class="code" href="classCVC3_1_1Assumptions.html">Assumptions</a> a3 = a1 - a;</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <a class="code" href="classCVC3_1_1Assumptions.html">Assumptions</a> a4 = a2 - !a;</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span> </div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="comment">// Proof compaction: if either theorem proves C without a or !a,</span></div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="comment">// then just use that theorem. This only works if assumptions are</span></div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="comment">// active.</span></div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span> </div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keywordflow">if</span> (a1 == a3) <span class="keywordflow">return</span> a_proves_c;</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordflow">if</span> (a2 == a4) <span class="keywordflow">return</span> not_a_proves_c;</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span> </div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="comment">// No easy way out. Do the work.</span></div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <a class="code" href="classCVC3_1_1Proof.html">Proof</a> pf;</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  a3.add(a4);</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span> </div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordflow">if</span>(<a class="code" href="classCVC3_1_1TheoremProducer.html#aceb1eeebc6b491b3241f463488471f3a" title="Testing whether to generate proofs.">withProof</a>()) {</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="comment">// Create lambda-abstractions</span></div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  vector<Proof> pfs;</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  pfs.push_back(<a class="code" href="classCVC3_1_1TheoremProducer.html#a9a8e67b1fb33d5dfe428a659d8c66651">newPf</a>(a1[a].getProof(), </div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  a, a_proves_c.<a class="code" href="classCVC3_1_1Theorem.html#a2d8352c07a756c3837683a27a1e659ef">getProof</a>()));</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  pfs.push_back(<a class="code" href="classCVC3_1_1TheoremProducer.html#a9a8e67b1fb33d5dfe428a659d8c66651">newPf</a>(a2[!a].getProof(), </div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  !a, not_a_proves_c.<a class="code" href="classCVC3_1_1Theorem.html#a2d8352c07a756c3837683a27a1e659ef">getProof</a>()));</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  pf = <a class="code" href="classCVC3_1_1TheoremProducer.html#a9a8e67b1fb33d5dfe428a659d8c66651">newPf</a>(<span class="stringliteral">"case_split"</span>, a, c, pfs);</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  }</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1TheoremProducer.html#ab3afa2471d244b129865548afe06ca89" title="Create a new theorem. See also newRWTheorem() and newReflTheorem()">newTheorem</a>(c, a3, pf);</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span> }</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span> </div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span> <span class="comment">// Conflict clause rule: </span></div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span> <span class="comment">// Gamma, A_1,...,A_n |- B ==> Gamma |- (OR B A_1 ... A_n)</span></div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span> <span class="comment">// The assumptions A_i are given by the vector 'lits'.</span></div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span> <span class="comment">// If B==FALSE, it is omitted from the result.</span></div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span> </div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span> <span class="comment">// NOTE: here "!A_i" means an inverse of A_i, not just a negation.</span></div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span> <span class="comment">// That is, if A_i is NOT C, then !A_i is C.</span></div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span> </div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span> <span class="comment">// verification function used by conflictClause</span></div>
<div class="line"><a name="l00192"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#acaa4dd5cb5be1e9844e03c82feea84b6"> 192</a></span> <span class="keywordtype">void</span> <a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#acaa4dd5cb5be1e9844e03c82feea84b6">SearchEngineTheoremProducer::verifyConflict</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& thm, </div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <a class="code" href="namespaceCVC3.html#ae8220d283ddfdaa8f4e0da0a03fa7ff4">TheoremMap</a>& m) {</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Assumptions.html">Assumptions</a>& a(thm.<a class="code" href="classCVC3_1_1Theorem.html#a5e9ab00a613df15cc02f55edb55a67b3">getAssumptionsRef</a>());</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Assumptions_1_1iterator.html" title="Iterator for the Assumptions: points to class Theorem.">Assumptions::iterator</a> iend = a.end();</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="keywordflow">for</span> (<a class="code" href="classCVC3_1_1Assumptions_1_1iterator.html" title="Iterator for the Assumptions: points to class Theorem.">Assumptions::iterator</a> i = a.begin(); </div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  i != iend; ++i) {</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <a class="code" href="theorem__producer_8h.html#a03dbe872f723d32fd975528f811d646e">CHECK_SOUND</a>(!i->isNull(),</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="stringliteral">"SearchEngineTheoremProducer::conflictClause: "</span></div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="stringliteral">"Found null theorem"</span>);</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="keywordflow">if</span> (!i->isRefl() && !i->isFlagged()) {</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  i->setFlag();</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="keywordflow">if</span> (m.count(*i) == 0) {</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <a class="code" href="theorem__producer_8h.html#a03dbe872f723d32fd975528f811d646e">CHECK_SOUND</a>(!i->isAssump(),</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="stringliteral">"SearchEngineTheoremProducer::conflictClause: "</span></div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="stringliteral">"literal and gamma sets do not form a complete "</span></div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="stringliteral">"cut of Theorem assumptions. Stray theorem: \n"</span></div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  +i->toString());</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#acaa4dd5cb5be1e9844e03c82feea84b6">verifyConflict</a>(*i, m);</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  }</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  m[*i] = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  }</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  }</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  }</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span> }</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span> </div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span> </div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a></div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span> <a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#abf46962b0eb1ff204a5b321828139713" title="Conflict clause rule: .">SearchEngineTheoremProducer::</a></div>
<div class="line"><a name="l00221"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#abf46962b0eb1ff204a5b321828139713"> 221</a></span> <a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#abf46962b0eb1ff204a5b321828139713" title="Conflict clause rule: .">conflictClause</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& thm, <span class="keyword">const</span> vector<Theorem>& lits, </div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keyword">const</span> vector<Theorem>& gamma) {</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="comment">// TRACE("search proofs", "conflictClause(", thm.getExpr(), ") {");</span></div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <a class="code" href="debug_8h.html#a600cb2d68efe7cc413cccbb5714c7016">IF_DEBUG</a>(<span class="keywordflow">if</span>(debugger.trace(<span class="stringliteral">"search proofs"</span>)) {</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  ostream& os = debugger.getOS();</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  os << <span class="stringliteral">"lits = ["</span>;</div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="keywordflow">for</span>(vector<Theorem>::const_iterator i=lits.begin(), iend=lits.end();</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  i!=iend; ++i)</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  os << i->getExpr() << <span class="stringliteral">",\n"</span>;</div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  os << <span class="stringliteral">"]\n\ngamma = ["</span>;</div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="keywordflow">for</span>(vector<Theorem>::const_iterator i=gamma.begin(), iend=gamma.end();</div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  i!=iend; ++i)</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  os << i->getExpr() << <span class="stringliteral">",\n"</span>;</div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  os << <span class="stringliteral">"]"</span> << <a class="code" href="group__ExprStream__Manip.html#ga05b0ea7353ec24fa8e7e272d7a7875d8" title="Print the end-of-line.">endl</a>;</div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  });</div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="keywordtype">bool</span> checkProofs(<a class="code" href="theorem__producer_8h.html#a74a97b789e1a9e6c016291960c657445">CHECK_PROOFS</a>);</div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <span class="comment">// This rule only makes sense when runnnig with assumptions</span></div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="keywordflow">if</span>(checkProofs) {</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <a class="code" href="theorem__producer_8h.html#a03dbe872f723d32fd975528f811d646e">CHECK_SOUND</a>(<a class="code" href="classCVC3_1_1TheoremProducer.html#a32afe6d99e661b5c70082036e40d48bc" title="Testing whether to generate assumptions.">withAssumptions</a>(),</div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="stringliteral">"conflictClause: called while running without assumptions"</span>);</div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  }</div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span> </div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="comment">// Assumptions aOrig(thm.getAssumptions());</span></div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span> </div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  vector<Expr> literals;</div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  vector<Proof> u; <span class="comment">// Vector of proof labels</span></div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  literals.reserve(lits.size() + 1);</div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  u.reserve(lits.size());</div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="keyword">const</span> vector<Theorem>::const_iterator iend = lits.end();</div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="keywordflow">for</span>(vector<Theorem>::const_iterator i=lits.begin(); i!=iend; ++i) {</div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> neg(i->getExpr().negate());</div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span> </div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  literals.push_back(neg);</div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="keywordflow">if</span>(<a class="code" href="classCVC3_1_1TheoremProducer.html#aceb1eeebc6b491b3241f463488471f3a" title="Testing whether to generate proofs.">withProof</a>()) u.push_back(i->getProof());</div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  }</div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span> </div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <span class="keywordflow">if</span>(checkProofs) {</div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <a class="code" href="namespaceCVC3.html#ae8220d283ddfdaa8f4e0da0a03fa7ff4">TheoremMap</a> m;</div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <span class="comment">// TRACE_MSG("search proofs", "adding gamma to m: {");</span></div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <span class="keywordflow">for</span>(vector<Theorem>::const_iterator i = gamma.begin();</div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  i != gamma.end(); ++i) {</div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="comment">// TRACE("search proofs", "m[", *i, "]");</span></div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  m[*i] = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  }</div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <span class="comment">// TRACE_MSG("search proofs", "}");</span></div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span> </div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <span class="keywordflow">for</span>(vector<Theorem>::const_iterator i = lits.begin(); i!=iend; ++i) {</div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <span class="comment">// TRACE("search proofs", "check lit: ", *i, "");</span></div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <a class="code" href="theorem__producer_8h.html#a03dbe872f723d32fd975528f811d646e">CHECK_SOUND</a>(m.count(*i) == 0, </div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <span class="stringliteral">"SearchEngineTheoremProducer::conflictClause: "</span></div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <span class="stringliteral">"literal and gamma sets are not disjoint: lit = "</span></div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  +i->toString());</div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  m[*i] = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  }</div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  thm.<a class="code" href="classCVC3_1_1Theorem.html#a621ab2150eedc0e3b38d34275ac206cd" title="Clear the flag attribute in all the theorems.">clearAllFlags</a>();</div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  <a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#acaa4dd5cb5be1e9844e03c82feea84b6">verifyConflict</a>(thm, m);</div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  TheoremMap::iterator t = m.begin(), tend = m.end();</div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  <span class="keywordflow">for</span> (; t != tend; ++t) {</div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <a class="code" href="theorem__producer_8h.html#a03dbe872f723d32fd975528f811d646e">CHECK_SOUND</a>(t->second == <span class="keyword">true</span>,</div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <span class="stringliteral">"SearchEngineTheoremProducer::conflictClause: "</span></div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <span class="stringliteral">"literal or gamma set contains extra element : "</span></div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  + t->first.toString());</div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  }</div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  }</div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  </div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <a class="code" href="classCVC3_1_1Assumptions.html">Assumptions</a> a(gamma);</div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span> </div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  <span class="keywordflow">if</span>(!thm.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>().<a class="code" href="group__ExprPkg.html#ga6173f64b22cba76472cd0c814bbf6dae">isFalse</a>())</div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  literals.push_back(thm.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span> </div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  <a class="code" href="classCVC3_1_1Proof.html">Proof</a> pf;</div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  <span class="keywordflow">if</span>(<a class="code" href="classCVC3_1_1TheoremProducer.html#aceb1eeebc6b491b3241f463488471f3a" title="Testing whether to generate proofs.">withProof</a>()) {</div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  <span class="keywordflow">if</span>(lits.size()>0) {</div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  vector<Expr> assump;</div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <span class="comment">// If assumptions are not leaves, we need to create new</span></div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <span class="comment">// variables for them and substitute them for their proofs in</span></div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="comment">// the proof term</span></div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <a class="code" href="classCVC3_1_1ExprHashMap.html">ExprHashMap<Expr></a> subst;</div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(u.size() == lits.size(), <span class="stringliteral">""</span>);</div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <span class="keywordflow">for</span>(<span class="keywordtype">size_t</span> i=0, iend=lits.size(); i<iend; ++i) {</div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& e(lits[i].getExpr());</div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  assump.push_back(e);</div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <a class="code" href="classCVC3_1_1Proof.html">Proof</a>& v = u[i];</div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  <span class="keywordflow">if</span>(!v.<a class="code" href="classCVC3_1_1Proof.html#a20cd8a5db4f7f07155464880300fb4c9">getExpr</a>().<a class="code" href="group__ExprPkg.html#ga55b6a203b4375e64598306596851d9ae">isVar</a>()) {</div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  <a class="code" href="classCVC3_1_1Proof.html">Proof</a> label = <a class="code" href="classCVC3_1_1TheoremProducer.html#af4bdd16428b49f295b3d21208dffc0cd" title="Create a new proof label (bound variable) for an assumption (formula)">newLabel</a>(e);</div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  subst[v.<a class="code" href="classCVC3_1_1Proof.html#a20cd8a5db4f7f07155464880300fb4c9">getExpr</a>()] = label.<a class="code" href="classCVC3_1_1Proof.html#a20cd8a5db4f7f07155464880300fb4c9">getExpr</a>();</div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  v = label;</div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  }</div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  }</div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  <a class="code" href="classCVC3_1_1Proof.html">Proof</a> body(thm.<a class="code" href="classCVC3_1_1Theorem.html#a2d8352c07a756c3837683a27a1e659ef">getProof</a>());</div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  <span class="keywordflow">if</span>(!subst.<a class="code" href="classCVC3_1_1ExprHashMap.html#acacf635065039ccea5acb5b91dbaa4bb">empty</a>())</div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  body = <a class="code" href="classCVC3_1_1Proof.html">Proof</a>(body.getExpr().substExpr(subst));</div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  pf = <a class="code" href="classCVC3_1_1TheoremProducer.html#a9a8e67b1fb33d5dfe428a659d8c66651">newPf</a>(<span class="stringliteral">"conflict_clause"</span>, <a class="code" href="classCVC3_1_1TheoremProducer.html#a9a8e67b1fb33d5dfe428a659d8c66651">newPf</a>(u, assump, body));</div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  }</div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  pf = <a class="code" href="classCVC3_1_1TheoremProducer.html#a9a8e67b1fb33d5dfe428a659d8c66651">newPf</a>(<span class="stringliteral">"false_to_empty_or"</span>, thm.<a class="code" href="classCVC3_1_1Theorem.html#a2d8352c07a756c3837683a27a1e659ef">getProof</a>());</div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  }</div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a> res(<a class="code" href="classCVC3_1_1TheoremProducer.html#ab3afa2471d244b129865548afe06ca89" title="Create a new theorem. See also newRWTheorem() and newReflTheorem()">newTheorem</a>(<a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>(<a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba96727447c0ad447987df1c6415aef074">OR</a>, literals, <a class="code" href="classCVC3_1_1TheoremProducer.html#a1b706238281ad141a57363a6890f14a5">d_em</a>), a, pf));</div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  <span class="comment">// TRACE("search proofs", "conflictClause => ", res.getExpr(), " }");</span></div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <span class="keywordflow">return</span> res;</div>
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span> }</div>
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span> </div>
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span> </div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span> <span class="comment">// Theorem</span></div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span> <span class="comment">// SearchEngineTheoremProducer::</span></div>
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span> <span class="comment">// conflictClause(const Theorem& thm, const vector<Expr>& lits) {</span></div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span> <span class="comment">// bool checkProofs(CHECK_PROOFS);</span></div>
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span> <span class="comment">// // This rule only makes sense when runnnig with assumptions</span></div>
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span> <span class="comment">// if(checkProofs) {</span></div>
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span> <span class="comment">// CHECK_SOUND(withAssumptions(),</span></div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span> <span class="comment">// "conflictClause: called while running without assumptions");</span></div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span> <span class="comment">// }</span></div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span> </div>
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span> <span class="comment">// Assumptions aOrig(thm.getAssumptions());</span></div>
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span> </div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span> <span class="comment">// vector<Expr> literals;</span></div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span> <span class="comment">// vector<Expr> negations;</span></div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span> <span class="comment">// vector<Proof> u; // Vector of proof labels</span></div>
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span> <span class="comment">// literals.reserve(lits.size() + 1);</span></div>
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span> <span class="comment">// negations.reserve(lits.size());</span></div>
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span> <span class="comment">// u.reserve(lits.size());</span></div>
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span> <span class="comment">// for(vector<Expr>::const_iterator i=lits.begin(), iend=lits.end();</span></div>
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span> <span class="comment">// i!=iend; ++i) {</span></div>
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span> <span class="comment">// Expr neg(i->isNot()? (*i)[0] : !(*i));</span></div>
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span> <span class="comment">// if(checkProofs)</span></div>
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span> <span class="comment">// CHECK_SOUND(!aOrig[neg].isNull(), </span></div>
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span> <span class="comment">// "SearchEngineTheoremProducer::conflictClause: "</span></div>
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span> <span class="comment">// "literal is not in the set of assumptions: neg = "</span></div>
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span> <span class="comment">// +neg.toString() + "\n Theorem = " + thm.toString());</span></div>
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span> <span class="comment">// literals.push_back(*i);</span></div>
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span> <span class="comment">// negations.push_back(neg);</span></div>
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span> <span class="comment">// if(withProof()) u.push_back(aOrig[neg].getProof());</span></div>
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span> <span class="comment">// }</span></div>
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span> </div>
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span> <span class="comment">// Assumptions a = aOrig - negations;</span></div>
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span> </div>
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span> <span class="comment">// if(!thm.getExpr().isFalse())</span></div>
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span> <span class="comment">// literals.push_back(thm.getExpr());</span></div>
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span> </div>
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span> <span class="comment">// Proof pf;</span></div>
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span> <span class="comment">// if(withProof()) {</span></div>
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span> <span class="comment">// if(lits.size()>0)</span></div>
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span> <span class="comment">// pf = newPf("conflict_clause", newPf(u, literals, thm.getProof()));</span></div>
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span> <span class="comment">// else</span></div>
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span> <span class="comment">// pf = newPf("false_to_empty_or", thm.getProof());</span></div>
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span> <span class="comment">// }</span></div>
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span> <span class="comment">// // Use ExprManager in newExpr, since literals may be empty</span></div>
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span> <span class="comment">// return newTheorem(Expr(d_em, OR, literals), a, pf);</span></div>
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span> <span class="comment">// }</span></div>
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span> </div>
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span> </div>
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span> <span class="comment">// "Cut" rule: { G_i |- A_i }; G', { A_i } |- B ==> union(G_i)+G' |- B.</span></div>
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a></div>
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span> <a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#a9be0036e770d071001f7afab845f0473" title="Cut rule: .">SearchEngineTheoremProducer::</a></div>
<div class="line"><a name="l00375"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#a9be0036e770d071001f7afab845f0473"> 375</a></span> <a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#a9be0036e770d071001f7afab845f0473" title="Cut rule: .">cutRule</a>(<span class="keyword">const</span> vector<Theorem>& thmsA,</div>
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& as_prove_b) {</div>
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  <span class="keywordflow">if</span>(<a class="code" href="theorem__producer_8h.html#a74a97b789e1a9e6c016291960c657445">CHECK_PROOFS</a>)</div>
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  <a class="code" href="theorem__producer_8h.html#a03dbe872f723d32fd975528f811d646e">CHECK_SOUND</a>(<a class="code" href="classCVC3_1_1TheoremProducer.html#a32afe6d99e661b5c70082036e40d48bc" title="Testing whether to generate assumptions.">withAssumptions</a>(),</div>
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  <span class="stringliteral">"cutRule called without assumptions activated"</span>);</div>
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  <span class="comment">// Optimization: use only those theorems that occur in B's assumptions.</span></div>
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  <span class="comment">// *** No, take it back, it's a mis-optimization. Most of the time,</span></div>
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  <span class="comment">// cutRule is applied when we *know* thmsA are present in the</span></div>
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  <span class="comment">// assumptions of 'as_proof_b'.</span></div>
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span> </div>
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  <a class="code" href="classCVC3_1_1Proof.html">Proof</a> pf;</div>
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  vector<Expr> exprs;</div>
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  exprs.reserve(thmsA.size() + 1);</div>
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  <span class="keyword">const</span> vector<Theorem>::const_iterator iend = thmsA.end();</div>
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  <span class="keywordflow">for</span>(vector<Theorem>::const_iterator i=thmsA.begin(); i!=iend; ++i) {</div>
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  exprs.push_back(i->getExpr());</div>
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  }</div>
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span> </div>
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  <a class="code" href="classCVC3_1_1Assumptions.html">Assumptions</a> a(thmsA); <span class="comment">// add the As</span></div>
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  a.<a class="code" href="classCVC3_1_1Assumptions.html#a72ece655220d8976c4090006eb7b0b40">add</a>(as_prove_b.<a class="code" href="classCVC3_1_1Theorem.html#a5e9ab00a613df15cc02f55edb55a67b3">getAssumptionsRef</a>() - exprs); <span class="comment">// Add G'</span></div>
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  </div>
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  <span class="keywordflow">if</span>(<a class="code" href="classCVC3_1_1TheoremProducer.html#aceb1eeebc6b491b3241f463488471f3a" title="Testing whether to generate proofs.">withProof</a>()) {</div>
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  vector<Proof> pfs;</div>
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  pfs.reserve(thmsA.size() + 1);</div>
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  <span class="keywordflow">for</span>(vector<Theorem>::const_iterator i = thmsA.begin(); i != iend; ++i) {</div>
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  pfs.push_back(i->getProof());</div>
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  }</div>
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  exprs.push_back(as_prove_b.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  pfs.push_back(as_prove_b.<a class="code" href="classCVC3_1_1Theorem.html#a2d8352c07a756c3837683a27a1e659ef">getProof</a>());</div>
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  pf = <a class="code" href="classCVC3_1_1TheoremProducer.html#a9a8e67b1fb33d5dfe428a659d8c66651">newPf</a>(<span class="stringliteral">"cut_rule"</span>,exprs,pfs);</div>
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  }</div>
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1TheoremProducer.html#ab3afa2471d244b129865548afe06ca89" title="Create a new theorem. See also newRWTheorem() and newReflTheorem()">newTheorem</a>(as_prove_b.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>(), a, pf);</div>
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span> }</div>
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span> </div>
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span> </div>
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span> <span class="keywordtype">void</span> </div>
<div class="line"><a name="l00411"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#aa12792d6b382598a0f5aeea983568a23"> 411</a></span> <a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#aa12792d6b382598a0f5aeea983568a23">SearchEngineTheoremProducer::checkSoundNoSkolems</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& e, </div>
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  <a class="code" href="classCVC3_1_1ExprMap.html">ExprMap<bool></a>& visited,</div>
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1ExprMap.html">ExprMap<bool></a>& skolems)</div>
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span> {</div>
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  <span class="keywordflow">if</span>(visited.<a class="code" href="classCVC3_1_1ExprMap.html#aa96dfa3a54a131cdb0964ef4b80e324f">count</a>(e)>0)</div>
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  visited[e] = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  <a class="code" href="theorem__producer_8h.html#a03dbe872f723d32fd975528f811d646e">CHECK_SOUND</a>(skolems.<a class="code" href="classCVC3_1_1ExprMap.html#aa96dfa3a54a131cdb0964ef4b80e324f">count</a>(e) == 0, </div>
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  <span class="stringliteral">"skolem constant found in axioms of false theorem: "</span></div>
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  + e.<a class="code" href="group__ExprPkg.html#gaf3028bb1619f8cc69b66ec712e1adb54" title="Print the expression to a string.">toString</a>());</div>
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  <span class="keywordflow">for</span>(<a class="code" href="classCVC3_1_1Expr_1_1iterator.html">Expr::iterator</a> it = e.<a class="code" href="group__ExprPkg.html#gac890e13db184610276fc533fa4b4fe99" title="Begin iterator.">begin</a>(), end = e.<a class="code" href="group__ExprPkg.html#gaf6048a5030c8fa2511bf5dfee868e653" title="End iterator.">end</a>(); it!= end; ++it)</div>
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  <a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#aa12792d6b382598a0f5aeea983568a23">checkSoundNoSkolems</a>(*it, visited, skolems);</div>
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  <span class="keywordflow">if</span>(e.<a class="code" href="group__ExprPkg.html#ga7814e4f55f65c7ca860c637413df5f4d">getKind</a>() == <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba7b7b6f6e2b88589bd4656a14bcb7eb94">FORALL</a> || e.<a class="code" href="group__ExprPkg.html#ga7814e4f55f65c7ca860c637413df5f4d">getKind</a>() == <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba3197625a1bb2264943f5a95f236d9973">EXISTS</a>)</div>
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  <a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#aa12792d6b382598a0f5aeea983568a23">checkSoundNoSkolems</a>(e.<a class="code" href="group__ExprPkg.html#ga9060193194020fee3dac69ed1876a940" title="Get the body of the closure Expr.">getBody</a>(), visited, skolems); </div>
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span> }</div>
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span> </div>
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span> <span class="keywordtype">void</span> </div>
<div class="line"><a name="l00429"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#aecd6425dded4edb62daefa858e969cf8"> 429</a></span> <a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#aa12792d6b382598a0f5aeea983568a23">SearchEngineTheoremProducer::checkSoundNoSkolems</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& t, </div>
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  <a class="code" href="classCVC3_1_1ExprMap.html">ExprMap<bool></a>& visited,</div>
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1ExprMap.html">ExprMap<bool></a>& skolems)</div>
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span> {</div>
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  <span class="keywordflow">if</span>(t.<a class="code" href="classCVC3_1_1Theorem.html#a16f074e60b9e076187efb478889d2c47">isRefl</a>() || t.<a class="code" href="classCVC3_1_1Theorem.html#a1695c9afc9a5c1f8cd000d40b9e2a9cd" title="Check if the flag attribute is set.">isFlagged</a>())</div>
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  t.<a class="code" href="classCVC3_1_1Theorem.html#af83d6b4d71bfb558296a1c296a69c3d7" title="Set the flag attribute.">setFlag</a>();</div>
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  <span class="keywordflow">if</span>(t.<a class="code" href="classCVC3_1_1Theorem.html#a05282db6832afb4f198d8c6b2b67aeb1">isAssump</a>())</div>
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  <a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#aa12792d6b382598a0f5aeea983568a23">checkSoundNoSkolems</a>(t.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>(), visited, skolems);</div>
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  {</div>
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Assumptions.html">Assumptions</a>& a(t.<a class="code" href="classCVC3_1_1Theorem.html#a5e9ab00a613df15cc02f55edb55a67b3">getAssumptionsRef</a>());</div>
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  <a class="code" href="classCVC3_1_1Assumptions_1_1iterator.html" title="Iterator for the Assumptions: points to class Theorem.">Assumptions::iterator</a> it = a.begin(), end = a.end();</div>
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  <span class="keywordflow">for</span>(; it!=end; ++it)</div>
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  <a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#aa12792d6b382598a0f5aeea983568a23">checkSoundNoSkolems</a>(*it, visited, skolems);</div>
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  }</div>
<div class="line"><a name="l00445"></a><span class="lineno"> 445</span> }</div>
<div class="line"><a name="l00446"></a><span class="lineno"> 446</span> <span class="comment"></span></div>
<div class="line"><a name="l00447"></a><span class="lineno"> 447</span> <span class="comment">/*! Eliminate skolem axioms: </span></div>
<div class="line"><a name="l00448"></a><span class="lineno"> 448</span> <span class="comment"> * Gamma, Delta |- false => Gamma|- false </span></div>
<div class="line"><a name="l00449"></a><span class="lineno"> 449</span> <span class="comment"> * where Delta is a set of skolem axioms {|-Exists(x) phi (x) => phi(c)}</span></div>
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span> <span class="comment"> * and gamma does not contain any of the skolem constants c.</span></div>
<div class="line"><a name="l00451"></a><span class="lineno"> 451</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00452"></a><span class="lineno"> 452</span> </div>
<div class="line"><a name="l00453"></a><span class="lineno"> 453</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a> </div>
<div class="line"><a name="l00454"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#ac980b63fbd08b0e29b1092ed4aeb95e8"> 454</a></span> <a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#ac980b63fbd08b0e29b1092ed4aeb95e8">SearchEngineTheoremProducer::eliminateSkolemAxioms</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& tFalse, </div>
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  <span class="keyword">const</span> std::vector<Theorem>& delta)</div>
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span> {</div>
<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba7fa27e82c6c4f69434225ed81e5d151e">TRACE</a>(<span class="stringliteral">"skolem"</span>, <span class="stringliteral">"=>eliminateSkolemAxioms "</span>, delta.size(), <span class="stringliteral">"{"</span>);</div>
<div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  <span class="keywordflow">if</span>(delta.empty())</div>
<div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  {</div>
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba7fa27e82c6c4f69434225ed81e5d151e">TRACE</a>(<span class="stringliteral">"skolem"</span>, <span class="stringliteral">"eliminateSkolemAxioms"</span>,<span class="stringliteral">""</span> , <span class="stringliteral">"}"</span>);</div>
<div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  <span class="keywordflow">return</span> tFalse;</div>
<div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  }</div>
<div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& falseExpr = tFalse.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>();</div>
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  <span class="keywordflow">if</span>(<a class="code" href="theorem__producer_8h.html#a74a97b789e1a9e6c016291960c657445">CHECK_PROOFS</a>) {</div>
<div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  <a class="code" href="theorem__producer_8h.html#a03dbe872f723d32fd975528f811d646e">CHECK_SOUND</a>(falseExpr.<a class="code" href="group__ExprPkg.html#ga6173f64b22cba76472cd0c814bbf6dae">isFalse</a>(),</div>
<div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  <span class="stringliteral">"eliminateSkolemAxiom called on non-false theorem"</span>);</div>
<div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  <a class="code" href="classCVC3_1_1ExprMap.html">ExprMap<bool></a> visited;</div>
<div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  <a class="code" href="classCVC3_1_1ExprMap.html">ExprMap<bool></a> skolems;</div>
<div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  vector<Theorem>::const_iterator it = delta.begin(), end = delta.end();</div>
<div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  <span class="keywordflow">for</span>(; it!=end; ++it) {</div>
<div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  <a class="code" href="theorem__producer_8h.html#a03dbe872f723d32fd975528f811d646e">CHECK_SOUND</a>(it->isRewrite(),</div>
<div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  <span class="stringliteral">"eliminateSkolemAxioms(): Skolem axiom is not "</span></div>
<div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  <span class="stringliteral">"an IFF: "</span>+it->toString());</div>
<div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& ex = it->getLHS();</div>
<div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  <a class="code" href="theorem__producer_8h.html#a03dbe872f723d32fd975528f811d646e">CHECK_SOUND</a>(ex.isExists(), </div>
<div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  <span class="stringliteral">"Did not receive skolem axioms in Delta"</span></div>
<div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  <span class="stringliteral">" of eliminateSkolemAxioms"</span> + it->toString());</div>
<div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  <span class="comment">// Collect the Skolem constants for further soundness checks</span></div>
<div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  <span class="keywordflow">for</span>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> j=0; j<ex.getVars().size(); j++) {</div>
<div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> sk_var(ex.skolemExpr(j));</div>
<div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  <span class="keywordflow">if</span>(sk_var.getType().isBool()) {</div>
<div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  sk_var = <a class="code" href="classCVC3_1_1TheoremProducer.html#a1b706238281ad141a57363a6890f14a5">d_em</a>-><a class="code" href="group__EM__Priv.html#gacd77df1dbcc429e06a75047e2f609822">newLeafExpr</a>(sk_var.mkOp());</div>
<div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  }</div>
<div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  skolems[sk_var] = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba7fa27e82c6c4f69434225ed81e5d151e">TRACE</a>(<span class="stringliteral">"skolem"</span>, <span class="stringliteral">">> Eliminating variable: "</span>, sk_var, <span class="stringliteral">"<<"</span>);</div>
<div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  }</div>
<div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  }</div>
<div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  tFalse.<a class="code" href="classCVC3_1_1Theorem.html#a621ab2150eedc0e3b38d34275ac206cd" title="Clear the flag attribute in all the theorems.">clearAllFlags</a>();</div>
<div class="line"><a name="l00489"></a><span class="lineno"> 489</span>  <a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#aa12792d6b382598a0f5aeea983568a23">checkSoundNoSkolems</a>(tFalse, visited, skolems);</div>
<div class="line"><a name="l00490"></a><span class="lineno"> 490</span>  }</div>
<div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  <a class="code" href="classCVC3_1_1Proof.html">Proof</a> pf;</div>
<div class="line"><a name="l00492"></a><span class="lineno"> 492</span>  <span class="keywordflow">if</span>(!<a class="code" href="classCVC3_1_1TheoremProducer.html#aceb1eeebc6b491b3241f463488471f3a" title="Testing whether to generate proofs.">withProof</a>()) <span class="keywordflow">return</span> tFalse;</div>
<div class="line"><a name="l00493"></a><span class="lineno"> 493</span>  <span class="keywordflow">else</span> </div>
<div class="line"><a name="l00494"></a><span class="lineno"> 494</span>  {</div>
<div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  <a class="code" href="classCVC3_1_1Proof.html">Proof</a> origFalse = tFalse.<a class="code" href="classCVC3_1_1Theorem.html#a2d8352c07a756c3837683a27a1e659ef">getProof</a>();</div>
<div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  std::vector<Proof>skolemizeLabels;</div>
<div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  std::vector<Expr> exprs;</div>
<div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  <span class="keywordflow">for</span>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i=0; i<delta.size(); i++)</div>
<div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  {</div>
<div class="line"><a name="l00500"></a><span class="lineno"> 500</span>  exprs.push_back(delta[i].getExpr());</div>
<div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  skolemizeLabels.push_back(delta[i].getProof());</div>
<div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  }</div>
<div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  pf = <a class="code" href="classCVC3_1_1TheoremProducer.html#a9a8e67b1fb33d5dfe428a659d8c66651">newPf</a>(skolemizeLabels, exprs, origFalse);</div>
<div class="line"><a name="l00504"></a><span class="lineno"> 504</span>  }</div>
<div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba7fa27e82c6c4f69434225ed81e5d151e">TRACE</a>(<span class="stringliteral">"skolem"</span>, <span class="stringliteral">"eliminateSkolemAxioms"</span>,<span class="stringliteral">""</span> , <span class="stringliteral">"}"</span>);</div>
<div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1TheoremProducer.html#ab3afa2471d244b129865548afe06ca89" title="Create a new theorem. See also newRWTheorem() and newReflTheorem()">newTheorem</a>(tFalse.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>(), tFalse.<a class="code" href="classCVC3_1_1Theorem.html#a5e9ab00a613df15cc02f55edb55a67b3">getAssumptionsRef</a>(), pf);</div>
<div class="line"><a name="l00507"></a><span class="lineno"> 507</span> }</div>
<div class="line"><a name="l00508"></a><span class="lineno"> 508</span> </div>
<div class="line"><a name="l00509"></a><span class="lineno"> 509</span> </div>
<div class="line"><a name="l00510"></a><span class="lineno"> 510</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a></div>
<div class="line"><a name="l00511"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#af764cf6eae285f0dbd3d430b76c5e19d"> 511</a></span> <a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#af764cf6eae285f0dbd3d430b76c5e19d" title="Unit propagation rule: .">SearchEngineTheoremProducer::unitProp</a>(<span class="keyword">const</span> std::vector<Theorem>& thms,</div>
<div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& clause,</div>
<div class="line"><a name="l00513"></a><span class="lineno"> 513</span>  <span class="keywordtype">unsigned</span> i) {</div>
<div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> e(clause.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l00515"></a><span class="lineno"> 515</span>  <span class="keywordflow">if</span>(<a class="code" href="theorem__producer_8h.html#a74a97b789e1a9e6c016291960c657445">CHECK_PROOFS</a>) {</div>
<div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  <span class="comment">// Soundness check: first, check the form of the 'clause' theorem</span></div>
<div class="line"><a name="l00517"></a><span class="lineno"> 517</span>  <a class="code" href="theorem__producer_8h.html#a03dbe872f723d32fd975528f811d646e">CHECK_SOUND</a>(e.isOr() && e.arity() > (int)i,</div>
<div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  <span class="stringliteral">"SearchEngineTheoremProducer::unitProp: bad theorem or i="</span></div>
<div class="line"><a name="l00519"></a><span class="lineno"> 519</span>  +<a class="code" href="namespaceCVC3.html#af69618103f1f0f2eadada0796a2a940c">int2string</a>(i)+<span class="stringliteral">" > arity="</span>+<a class="code" href="namespaceCVC3.html#af69618103f1f0f2eadada0796a2a940c">int2string</a>(e.arity())</div>
<div class="line"><a name="l00520"></a><span class="lineno"> 520</span>  +<span class="stringliteral">" in clause = "</span> + clause.<a class="code" href="classCVC3_1_1Theorem.html#ac4b1c9570ffb9cc901627ef2abb9ff77">toString</a>());</div>
<div class="line"><a name="l00521"></a><span class="lineno"> 521</span>  <span class="comment">// Now, check correspondence of thms to the disjunction</span></div>
<div class="line"><a name="l00522"></a><span class="lineno"> 522</span>  <a class="code" href="theorem__producer_8h.html#a03dbe872f723d32fd975528f811d646e">CHECK_SOUND</a>(((<span class="keywordtype">int</span>)thms.size()) == e.arity() - 1,</div>
<div class="line"><a name="l00523"></a><span class="lineno"> 523</span>  <span class="stringliteral">"SearchEngineTheoremProducer::unitProp: "</span></div>
<div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  <span class="stringliteral">"wrong number of theorems"</span></div>
<div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  <span class="stringliteral">"\n thms.size = "</span> + <a class="code" href="namespaceCVC3.html#af69618103f1f0f2eadada0796a2a940c">int2string</a>(thms.size())</div>
<div class="line"><a name="l00526"></a><span class="lineno"> 526</span>  +<span class="stringliteral">"\n clause.arity = "</span> + <a class="code" href="namespaceCVC3.html#af69618103f1f0f2eadada0796a2a940c">int2string</a>(e.arity()));</div>
<div class="line"><a name="l00527"></a><span class="lineno"> 527</span> </div>
<div class="line"><a name="l00528"></a><span class="lineno"> 528</span>  <span class="keywordflow">for</span>(<span class="keywordtype">unsigned</span> j=0,k=0; j<thms.size(); j++) {</div>
<div class="line"><a name="l00529"></a><span class="lineno"> 529</span>  <span class="keywordflow">if</span>(j!=i) {</div>
<div class="line"><a name="l00530"></a><span class="lineno"> 530</span>  <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> ej(e[j]), ek(thms[k].getExpr());</div>
<div class="line"><a name="l00531"></a><span class="lineno"> 531</span>  <a class="code" href="theorem__producer_8h.html#a03dbe872f723d32fd975528f811d646e">CHECK_SOUND</a>((ej.isNot() && ej[0] == ek) || (ek.<a class="code" href="group__ExprPkg.html#ga1a898858ccadce833df5a294c7740f11">isNot</a>() && ej == ek[0]),</div>
<div class="line"><a name="l00532"></a><span class="lineno"> 532</span>  <span class="stringliteral">"SearchEngineTheoremProducer::unitProp: "</span></div>
<div class="line"><a name="l00533"></a><span class="lineno"> 533</span>  <span class="stringliteral">"wrong theorem["</span>+<a class="code" href="namespaceCVC3.html#af69618103f1f0f2eadada0796a2a940c">int2string</a>(k)+<span class="stringliteral">"]"</span></div>
<div class="line"><a name="l00534"></a><span class="lineno"> 534</span>  <span class="stringliteral">"\n thm = "</span> + thms[k].toString() +</div>
<div class="line"><a name="l00535"></a><span class="lineno"> 535</span>  <span class="stringliteral">"\n literal = "</span> + e[j].toString() +</div>
<div class="line"><a name="l00536"></a><span class="lineno"> 536</span>  <span class="stringliteral">"\n clause = "</span> + clause.<a class="code" href="classCVC3_1_1Theorem.html#ac4b1c9570ffb9cc901627ef2abb9ff77">toString</a>());</div>
<div class="line"><a name="l00537"></a><span class="lineno"> 537</span>  k++;</div>
<div class="line"><a name="l00538"></a><span class="lineno"> 538</span>  }</div>
<div class="line"><a name="l00539"></a><span class="lineno"> 539</span>  }</div>
<div class="line"><a name="l00540"></a><span class="lineno"> 540</span>  }</div>
<div class="line"><a name="l00541"></a><span class="lineno"> 541</span> </div>
<div class="line"><a name="l00542"></a><span class="lineno"> 542</span>  <a class="code" href="classCVC3_1_1Assumptions.html">Assumptions</a> a(thms);</div>
<div class="line"><a name="l00543"></a><span class="lineno"> 543</span>  a.<a class="code" href="classCVC3_1_1Assumptions.html#a72ece655220d8976c4090006eb7b0b40">add</a>(clause);</div>
<div class="line"><a name="l00544"></a><span class="lineno"> 544</span>  <a class="code" href="classCVC3_1_1Proof.html">Proof</a> pf;</div>
<div class="line"><a name="l00545"></a><span class="lineno"> 545</span> </div>
<div class="line"><a name="l00546"></a><span class="lineno"> 546</span>  <span class="keywordflow">if</span>(<a class="code" href="classCVC3_1_1TheoremProducer.html#aceb1eeebc6b491b3241f463488471f3a" title="Testing whether to generate proofs.">withProof</a>()) {</div>
<div class="line"><a name="l00547"></a><span class="lineno"> 547</span>  vector<Proof> pfs;</div>
<div class="line"><a name="l00548"></a><span class="lineno"> 548</span>  vector<Expr> exprs;</div>
<div class="line"><a name="l00549"></a><span class="lineno"> 549</span>  exprs.reserve(thms.size() + 1);</div>
<div class="line"><a name="l00550"></a><span class="lineno"> 550</span>  pfs.reserve(thms.size()+1);</div>
<div class="line"><a name="l00551"></a><span class="lineno"> 551</span>  <span class="keyword">const</span> vector<Theorem>::const_iterator iend = thms.end();</div>
<div class="line"><a name="l00552"></a><span class="lineno"> 552</span>  <span class="keywordflow">for</span>(vector<Theorem>::const_iterator i=thms.begin(); i!=iend; ++i) {</div>
<div class="line"><a name="l00553"></a><span class="lineno"> 553</span>  exprs.push_back(i->getExpr());</div>
<div class="line"><a name="l00554"></a><span class="lineno"> 554</span>  pfs.push_back(i->getProof());</div>
<div class="line"><a name="l00555"></a><span class="lineno"> 555</span>  }</div>
<div class="line"><a name="l00556"></a><span class="lineno"> 556</span>  exprs.push_back(clause.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l00557"></a><span class="lineno"> 557</span>  pfs.push_back(clause.<a class="code" href="classCVC3_1_1Theorem.html#a2d8352c07a756c3837683a27a1e659ef">getProof</a>());</div>
<div class="line"><a name="l00558"></a><span class="lineno"> 558</span>  pf = <a class="code" href="classCVC3_1_1TheoremProducer.html#a9a8e67b1fb33d5dfe428a659d8c66651">newPf</a>(<span class="stringliteral">"unit_prop"</span>, exprs, pfs);</div>
<div class="line"><a name="l00559"></a><span class="lineno"> 559</span>  }</div>
<div class="line"><a name="l00560"></a><span class="lineno"> 560</span>  <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1TheoremProducer.html#ab3afa2471d244b129865548afe06ca89" title="Create a new theorem. See also newRWTheorem() and newReflTheorem()">newTheorem</a>(e[i], a, pf);</div>
<div class="line"><a name="l00561"></a><span class="lineno"> 561</span> }</div>
<div class="line"><a name="l00562"></a><span class="lineno"> 562</span> </div>
<div class="line"><a name="l00563"></a><span class="lineno"> 563</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a></div>
<div class="line"><a name="l00564"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#a1d0f21b895fc25bff5dc653490a775c0"> 564</a></span> <a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#a1d0f21b895fc25bff5dc653490a775c0">SearchEngineTheoremProducer::propAndrAF</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& andr_th,</div>
<div class="line"><a name="l00565"></a><span class="lineno"> 565</span>  <span class="keywordtype">bool</span> <a class="code" href="namespaceMiniSat.html#ad93cb56673487974071ed3b75bf4ea83">left</a>,</div>
<div class="line"><a name="l00566"></a><span class="lineno"> 566</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& b_th) {</div>
<div class="line"><a name="l00567"></a><span class="lineno"> 567</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& andr_e(andr_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l00568"></a><span class="lineno"> 568</span>  <span class="keywordflow">if</span>(<a class="code" href="theorem__producer_8h.html#a74a97b789e1a9e6c016291960c657445">CHECK_PROOFS</a>) {</div>
<div class="line"><a name="l00569"></a><span class="lineno"> 569</span>  <a class="code" href="theorem__producer_8h.html#a03dbe872f723d32fd975528f811d646e">CHECK_SOUND</a>(andr_e.getKind() == <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5baf18208f4921c8175373d32e4ce909d42">AND_R</a> &&</div>
<div class="line"><a name="l00570"></a><span class="lineno"> 570</span>  ((left && b_th.<a class="code" href="classCVC3_1_1Theorem.html#a657f0037f907743988443bffdf2e505c" title="Check if the flag attribute is set.">refutes</a>(andr_e[1])) ||</div>
<div class="line"><a name="l00571"></a><span class="lineno"> 571</span>  (!left && b_th.<a class="code" href="classCVC3_1_1Theorem.html#a657f0037f907743988443bffdf2e505c" title="Check if the flag attribute is set.">refutes</a>(andr_e[2]))),</div>
<div class="line"><a name="l00572"></a><span class="lineno"> 572</span>  <span class="stringliteral">"SearchEngineTheoremProducer::propAndrAF"</span>);</div>
<div class="line"><a name="l00573"></a><span class="lineno"> 573</span>  }</div>
<div class="line"><a name="l00574"></a><span class="lineno"> 574</span> </div>
<div class="line"><a name="l00575"></a><span class="lineno"> 575</span>  <a class="code" href="classCVC3_1_1Assumptions.html">Assumptions</a> a(andr_th, b_th);</div>
<div class="line"><a name="l00576"></a><span class="lineno"> 576</span>  <a class="code" href="classCVC3_1_1Proof.html">Proof</a> pf;</div>
<div class="line"><a name="l00577"></a><span class="lineno"> 577</span> </div>
<div class="line"><a name="l00578"></a><span class="lineno"> 578</span>  <span class="keywordflow">if</span>(<a class="code" href="classCVC3_1_1TheoremProducer.html#aceb1eeebc6b491b3241f463488471f3a" title="Testing whether to generate proofs.">withProof</a>()) {</div>
<div class="line"><a name="l00579"></a><span class="lineno"> 579</span>  vector<Proof> pfs;</div>
<div class="line"><a name="l00580"></a><span class="lineno"> 580</span>  vector<Expr> exprs;</div>
<div class="line"><a name="l00581"></a><span class="lineno"> 581</span>  exprs.push_back(andr_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l00582"></a><span class="lineno"> 582</span>  exprs.push_back(b_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l00583"></a><span class="lineno"> 583</span>  pfs.push_back(andr_th.<a class="code" href="classCVC3_1_1Theorem.html#a2d8352c07a756c3837683a27a1e659ef">getProof</a>());</div>
<div class="line"><a name="l00584"></a><span class="lineno"> 584</span>  pfs.push_back(b_th.<a class="code" href="classCVC3_1_1Theorem.html#a2d8352c07a756c3837683a27a1e659ef">getProof</a>());</div>
<div class="line"><a name="l00585"></a><span class="lineno"> 585</span>  <span class="comment">// can we note which branch to take?</span></div>
<div class="line"><a name="l00586"></a><span class="lineno"> 586</span>  pf = <a class="code" href="classCVC3_1_1TheoremProducer.html#a9a8e67b1fb33d5dfe428a659d8c66651">newPf</a>(<span class="stringliteral">"prop_andr_af"</span>, exprs, pfs);</div>
<div class="line"><a name="l00587"></a><span class="lineno"> 587</span>  }</div>
<div class="line"><a name="l00588"></a><span class="lineno"> 588</span> </div>
<div class="line"><a name="l00589"></a><span class="lineno"> 589</span>  <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1TheoremProducer.html#ab3afa2471d244b129865548afe06ca89" title="Create a new theorem. See also newRWTheorem() and newReflTheorem()">newTheorem</a>(andr_e[0].negate(), a, pf);</div>
<div class="line"><a name="l00590"></a><span class="lineno"> 590</span> }</div>
<div class="line"><a name="l00591"></a><span class="lineno"> 591</span> </div>
<div class="line"><a name="l00592"></a><span class="lineno"> 592</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a></div>
<div class="line"><a name="l00593"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#a22c592b3807cddf270b7be995594d58a"> 593</a></span> <a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#a22c592b3807cddf270b7be995594d58a">SearchEngineTheoremProducer::propAndrAT</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& andr_th,</div>
<div class="line"><a name="l00594"></a><span class="lineno"> 594</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& l_th,</div>
<div class="line"><a name="l00595"></a><span class="lineno"> 595</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& r_th) {</div>
<div class="line"><a name="l00596"></a><span class="lineno"> 596</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& andr_e(andr_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l00597"></a><span class="lineno"> 597</span>  <span class="keywordflow">if</span>(<a class="code" href="theorem__producer_8h.html#a74a97b789e1a9e6c016291960c657445">CHECK_PROOFS</a>) {</div>
<div class="line"><a name="l00598"></a><span class="lineno"> 598</span>  <a class="code" href="theorem__producer_8h.html#a03dbe872f723d32fd975528f811d646e">CHECK_SOUND</a>(andr_e.getKind() == <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5baf18208f4921c8175373d32e4ce909d42">AND_R</a> &&</div>
<div class="line"><a name="l00599"></a><span class="lineno"> 599</span>  l_th.<a class="code" href="classCVC3_1_1Theorem.html#afd8511ead1dfc424a75089f4b4afb95d" title="Check if the flag attribute is set.">proves</a>(andr_e[1]) && r_th.<a class="code" href="classCVC3_1_1Theorem.html#afd8511ead1dfc424a75089f4b4afb95d" title="Check if the flag attribute is set.">proves</a>(andr_e[2]),</div>
<div class="line"><a name="l00600"></a><span class="lineno"> 600</span>  <span class="stringliteral">"SearchEngineTheoremProducer::propAndrAT"</span>);</div>
<div class="line"><a name="l00601"></a><span class="lineno"> 601</span>  }</div>
<div class="line"><a name="l00602"></a><span class="lineno"> 602</span> </div>
<div class="line"><a name="l00603"></a><span class="lineno"> 603</span>  <a class="code" href="classCVC3_1_1Assumptions.html">Assumptions</a> a(andr_th, l_th);</div>
<div class="line"><a name="l00604"></a><span class="lineno"> 604</span>  a.<a class="code" href="classCVC3_1_1Assumptions.html#a72ece655220d8976c4090006eb7b0b40">add</a>(r_th);</div>
<div class="line"><a name="l00605"></a><span class="lineno"> 605</span>  <a class="code" href="classCVC3_1_1Proof.html">Proof</a> pf;</div>
<div class="line"><a name="l00606"></a><span class="lineno"> 606</span> </div>
<div class="line"><a name="l00607"></a><span class="lineno"> 607</span>  <span class="keywordflow">if</span>(<a class="code" href="classCVC3_1_1TheoremProducer.html#aceb1eeebc6b491b3241f463488471f3a" title="Testing whether to generate proofs.">withProof</a>()) {</div>
<div class="line"><a name="l00608"></a><span class="lineno"> 608</span>  vector<Proof> pfs;</div>
<div class="line"><a name="l00609"></a><span class="lineno"> 609</span>  vector<Expr> exprs;</div>
<div class="line"><a name="l00610"></a><span class="lineno"> 610</span>  exprs.push_back(andr_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l00611"></a><span class="lineno"> 611</span>  exprs.push_back(l_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l00612"></a><span class="lineno"> 612</span>  exprs.push_back(r_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l00613"></a><span class="lineno"> 613</span>  pfs.push_back(andr_th.<a class="code" href="classCVC3_1_1Theorem.html#a2d8352c07a756c3837683a27a1e659ef">getProof</a>());</div>
<div class="line"><a name="l00614"></a><span class="lineno"> 614</span>  pfs.push_back(l_th.<a class="code" href="classCVC3_1_1Theorem.html#a2d8352c07a756c3837683a27a1e659ef">getProof</a>());</div>
<div class="line"><a name="l00615"></a><span class="lineno"> 615</span>  pfs.push_back(r_th.<a class="code" href="classCVC3_1_1Theorem.html#a2d8352c07a756c3837683a27a1e659ef">getProof</a>());</div>
<div class="line"><a name="l00616"></a><span class="lineno"> 616</span>  pf = <a class="code" href="classCVC3_1_1TheoremProducer.html#a9a8e67b1fb33d5dfe428a659d8c66651">newPf</a>(<span class="stringliteral">"prop_andr_at"</span>, exprs, pfs);</div>
<div class="line"><a name="l00617"></a><span class="lineno"> 617</span>  }</div>
<div class="line"><a name="l00618"></a><span class="lineno"> 618</span> </div>
<div class="line"><a name="l00619"></a><span class="lineno"> 619</span>  <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1TheoremProducer.html#ab3afa2471d244b129865548afe06ca89" title="Create a new theorem. See also newRWTheorem() and newReflTheorem()">newTheorem</a>(andr_e[0], a, pf);</div>
<div class="line"><a name="l00620"></a><span class="lineno"> 620</span> }</div>
<div class="line"><a name="l00621"></a><span class="lineno"> 621</span> </div>
<div class="line"><a name="l00622"></a><span class="lineno"> 622</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00623"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#a1bdf01b6d0e85d8c91a2fa3aaf0704c6"> 623</a></span> <a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#a1bdf01b6d0e85d8c91a2fa3aaf0704c6">SearchEngineTheoremProducer::propAndrLRT</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& andr_th,</div>
<div class="line"><a name="l00624"></a><span class="lineno"> 624</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& a_th,</div>
<div class="line"><a name="l00625"></a><span class="lineno"> 625</span>  <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>* l_th,</div>
<div class="line"><a name="l00626"></a><span class="lineno"> 626</span>  <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>* r_th) {</div>
<div class="line"><a name="l00627"></a><span class="lineno"> 627</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& andr_e(andr_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l00628"></a><span class="lineno"> 628</span>  <span class="keywordflow">if</span>(<a class="code" href="theorem__producer_8h.html#a74a97b789e1a9e6c016291960c657445">CHECK_PROOFS</a>) {</div>
<div class="line"><a name="l00629"></a><span class="lineno"> 629</span>  <a class="code" href="theorem__producer_8h.html#a03dbe872f723d32fd975528f811d646e">CHECK_SOUND</a>(andr_e.getKind() == <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5baf18208f4921c8175373d32e4ce909d42">AND_R</a> && a_th.<a class="code" href="classCVC3_1_1Theorem.html#afd8511ead1dfc424a75089f4b4afb95d" title="Check if the flag attribute is set.">proves</a>(andr_e[0]),</div>
<div class="line"><a name="l00630"></a><span class="lineno"> 630</span>  <span class="stringliteral">"SearchEngineTheoremProducer::propAndrLRT"</span>);</div>
<div class="line"><a name="l00631"></a><span class="lineno"> 631</span>  }</div>
<div class="line"><a name="l00632"></a><span class="lineno"> 632</span> </div>
<div class="line"><a name="l00633"></a><span class="lineno"> 633</span>  <a class="code" href="classCVC3_1_1Assumptions.html">Assumptions</a> a(andr_th, a_th);</div>
<div class="line"><a name="l00634"></a><span class="lineno"> 634</span>  <a class="code" href="classCVC3_1_1Proof.html">Proof</a> pf;</div>
<div class="line"><a name="l00635"></a><span class="lineno"> 635</span> </div>
<div class="line"><a name="l00636"></a><span class="lineno"> 636</span>  <span class="keywordflow">if</span>(<a class="code" href="classCVC3_1_1TheoremProducer.html#aceb1eeebc6b491b3241f463488471f3a" title="Testing whether to generate proofs.">withProof</a>()) {</div>
<div class="line"><a name="l00637"></a><span class="lineno"> 637</span>  vector<Proof> pfs;</div>
<div class="line"><a name="l00638"></a><span class="lineno"> 638</span>  vector<Expr> exprs;</div>
<div class="line"><a name="l00639"></a><span class="lineno"> 639</span>  exprs.push_back(andr_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l00640"></a><span class="lineno"> 640</span>  exprs.push_back(a_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l00641"></a><span class="lineno"> 641</span>  pfs.push_back(andr_th.<a class="code" href="classCVC3_1_1Theorem.html#a2d8352c07a756c3837683a27a1e659ef">getProof</a>());</div>
<div class="line"><a name="l00642"></a><span class="lineno"> 642</span>  pfs.push_back(a_th.<a class="code" href="classCVC3_1_1Theorem.html#a2d8352c07a756c3837683a27a1e659ef">getProof</a>());</div>
<div class="line"><a name="l00643"></a><span class="lineno"> 643</span>  pf = <a class="code" href="classCVC3_1_1TheoremProducer.html#a9a8e67b1fb33d5dfe428a659d8c66651">newPf</a>(<span class="stringliteral">"prop_andr_lrt"</span>, exprs, pfs);</div>
<div class="line"><a name="l00644"></a><span class="lineno"> 644</span>  }</div>
<div class="line"><a name="l00645"></a><span class="lineno"> 645</span> </div>
<div class="line"><a name="l00646"></a><span class="lineno"> 646</span>  <span class="keywordflow">if</span> (l_th) *l_th = <a class="code" href="classCVC3_1_1TheoremProducer.html#ab3afa2471d244b129865548afe06ca89" title="Create a new theorem. See also newRWTheorem() and newReflTheorem()">newTheorem</a>(andr_e[1], a, pf);</div>
<div class="line"><a name="l00647"></a><span class="lineno"> 647</span>  <span class="keywordflow">if</span> (r_th) *r_th = <a class="code" href="classCVC3_1_1TheoremProducer.html#ab3afa2471d244b129865548afe06ca89" title="Create a new theorem. See also newRWTheorem() and newReflTheorem()">newTheorem</a>(andr_e[2], a, pf);</div>
<div class="line"><a name="l00648"></a><span class="lineno"> 648</span> }</div>
<div class="line"><a name="l00649"></a><span class="lineno"> 649</span> </div>
<div class="line"><a name="l00650"></a><span class="lineno"> 650</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a></div>
<div class="line"><a name="l00651"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#a373b85c528799a04c9997f8f0b1349d6"> 651</a></span> <a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#a373b85c528799a04c9997f8f0b1349d6">SearchEngineTheoremProducer::propAndrLF</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& andr_th,</div>
<div class="line"><a name="l00652"></a><span class="lineno"> 652</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& a_th,</div>
<div class="line"><a name="l00653"></a><span class="lineno"> 653</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& r_th) {</div>
<div class="line"><a name="l00654"></a><span class="lineno"> 654</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& andr_e(andr_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l00655"></a><span class="lineno"> 655</span>  <span class="keywordflow">if</span>(<a class="code" href="theorem__producer_8h.html#a74a97b789e1a9e6c016291960c657445">CHECK_PROOFS</a>) {</div>
<div class="line"><a name="l00656"></a><span class="lineno"> 656</span>  <a class="code" href="theorem__producer_8h.html#a03dbe872f723d32fd975528f811d646e">CHECK_SOUND</a>(andr_e.getKind() == <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5baf18208f4921c8175373d32e4ce909d42">AND_R</a> &&</div>
<div class="line"><a name="l00657"></a><span class="lineno"> 657</span>  a_th.<a class="code" href="classCVC3_1_1Theorem.html#a657f0037f907743988443bffdf2e505c" title="Check if the flag attribute is set.">refutes</a>(andr_e[0]) && r_th.<a class="code" href="classCVC3_1_1Theorem.html#afd8511ead1dfc424a75089f4b4afb95d" title="Check if the flag attribute is set.">proves</a>(andr_e[2]),</div>
<div class="line"><a name="l00658"></a><span class="lineno"> 658</span>  <span class="stringliteral">"SearchEngineTheoremProducer::propAndrLF"</span>);</div>
<div class="line"><a name="l00659"></a><span class="lineno"> 659</span>  }</div>
<div class="line"><a name="l00660"></a><span class="lineno"> 660</span> </div>
<div class="line"><a name="l00661"></a><span class="lineno"> 661</span>  <a class="code" href="classCVC3_1_1Assumptions.html">Assumptions</a> a(andr_th, a_th);</div>
<div class="line"><a name="l00662"></a><span class="lineno"> 662</span>  a.<a class="code" href="classCVC3_1_1Assumptions.html#a72ece655220d8976c4090006eb7b0b40">add</a>(r_th);</div>
<div class="line"><a name="l00663"></a><span class="lineno"> 663</span>  <a class="code" href="classCVC3_1_1Proof.html">Proof</a> pf;</div>
<div class="line"><a name="l00664"></a><span class="lineno"> 664</span> </div>
<div class="line"><a name="l00665"></a><span class="lineno"> 665</span>  <span class="keywordflow">if</span>(<a class="code" href="classCVC3_1_1TheoremProducer.html#aceb1eeebc6b491b3241f463488471f3a" title="Testing whether to generate proofs.">withProof</a>()) {</div>
<div class="line"><a name="l00666"></a><span class="lineno"> 666</span>  vector<Proof> pfs;</div>
<div class="line"><a name="l00667"></a><span class="lineno"> 667</span>  vector<Expr> exprs;</div>
<div class="line"><a name="l00668"></a><span class="lineno"> 668</span>  exprs.push_back(andr_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l00669"></a><span class="lineno"> 669</span>  exprs.push_back(a_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l00670"></a><span class="lineno"> 670</span>  exprs.push_back(r_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l00671"></a><span class="lineno"> 671</span>  pfs.push_back(andr_th.<a class="code" href="classCVC3_1_1Theorem.html#a2d8352c07a756c3837683a27a1e659ef">getProof</a>());</div>
<div class="line"><a name="l00672"></a><span class="lineno"> 672</span>  pfs.push_back(a_th.<a class="code" href="classCVC3_1_1Theorem.html#a2d8352c07a756c3837683a27a1e659ef">getProof</a>());</div>
<div class="line"><a name="l00673"></a><span class="lineno"> 673</span>  pfs.push_back(r_th.<a class="code" href="classCVC3_1_1Theorem.html#a2d8352c07a756c3837683a27a1e659ef">getProof</a>());</div>
<div class="line"><a name="l00674"></a><span class="lineno"> 674</span>  pf = <a class="code" href="classCVC3_1_1TheoremProducer.html#a9a8e67b1fb33d5dfe428a659d8c66651">newPf</a>(<span class="stringliteral">"prop_andr_lf"</span>, exprs, pfs);</div>
<div class="line"><a name="l00675"></a><span class="lineno"> 675</span>  }</div>
<div class="line"><a name="l00676"></a><span class="lineno"> 676</span> </div>
<div class="line"><a name="l00677"></a><span class="lineno"> 677</span>  <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1TheoremProducer.html#ab3afa2471d244b129865548afe06ca89" title="Create a new theorem. See also newRWTheorem() and newReflTheorem()">newTheorem</a>(andr_e[1].negate(), a, pf);</div>
<div class="line"><a name="l00678"></a><span class="lineno"> 678</span> }</div>
<div class="line"><a name="l00679"></a><span class="lineno"> 679</span> </div>
<div class="line"><a name="l00680"></a><span class="lineno"> 680</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a></div>
<div class="line"><a name="l00681"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#a948eaf2519eb12dd8f76c3c890babd78"> 681</a></span> <a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#a948eaf2519eb12dd8f76c3c890babd78">SearchEngineTheoremProducer::propAndrRF</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& andr_th,</div>
<div class="line"><a name="l00682"></a><span class="lineno"> 682</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& a_th,</div>
<div class="line"><a name="l00683"></a><span class="lineno"> 683</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& l_th) {</div>
<div class="line"><a name="l00684"></a><span class="lineno"> 684</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& andr_e(andr_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l00685"></a><span class="lineno"> 685</span>  <span class="keywordflow">if</span>(<a class="code" href="theorem__producer_8h.html#a74a97b789e1a9e6c016291960c657445">CHECK_PROOFS</a>) {</div>
<div class="line"><a name="l00686"></a><span class="lineno"> 686</span>  <a class="code" href="theorem__producer_8h.html#a03dbe872f723d32fd975528f811d646e">CHECK_SOUND</a>(andr_e.getKind() == <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5baf18208f4921c8175373d32e4ce909d42">AND_R</a> &&</div>
<div class="line"><a name="l00687"></a><span class="lineno"> 687</span>  a_th.<a class="code" href="classCVC3_1_1Theorem.html#a657f0037f907743988443bffdf2e505c" title="Check if the flag attribute is set.">refutes</a>(andr_e[0]) && l_th.<a class="code" href="classCVC3_1_1Theorem.html#afd8511ead1dfc424a75089f4b4afb95d" title="Check if the flag attribute is set.">proves</a>(andr_e[1]),</div>
<div class="line"><a name="l00688"></a><span class="lineno"> 688</span>  <span class="stringliteral">"SearchEngineTheoremProducer::propAndrRF"</span>);</div>
<div class="line"><a name="l00689"></a><span class="lineno"> 689</span>  }</div>
<div class="line"><a name="l00690"></a><span class="lineno"> 690</span> </div>
<div class="line"><a name="l00691"></a><span class="lineno"> 691</span>  <a class="code" href="classCVC3_1_1Assumptions.html">Assumptions</a> a(andr_th, a_th);</div>
<div class="line"><a name="l00692"></a><span class="lineno"> 692</span>  a.<a class="code" href="classCVC3_1_1Assumptions.html#a72ece655220d8976c4090006eb7b0b40">add</a>(l_th);</div>
<div class="line"><a name="l00693"></a><span class="lineno"> 693</span>  <a class="code" href="classCVC3_1_1Proof.html">Proof</a> pf;</div>
<div class="line"><a name="l00694"></a><span class="lineno"> 694</span> </div>
<div class="line"><a name="l00695"></a><span class="lineno"> 695</span>  <span class="keywordflow">if</span>(<a class="code" href="classCVC3_1_1TheoremProducer.html#aceb1eeebc6b491b3241f463488471f3a" title="Testing whether to generate proofs.">withProof</a>()) {</div>
<div class="line"><a name="l00696"></a><span class="lineno"> 696</span>  vector<Proof> pfs;</div>
<div class="line"><a name="l00697"></a><span class="lineno"> 697</span>  vector<Expr> exprs;</div>
<div class="line"><a name="l00698"></a><span class="lineno"> 698</span>  exprs.push_back(andr_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l00699"></a><span class="lineno"> 699</span>  exprs.push_back(a_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l00700"></a><span class="lineno"> 700</span>  exprs.push_back(l_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l00701"></a><span class="lineno"> 701</span>  pfs.push_back(andr_th.<a class="code" href="classCVC3_1_1Theorem.html#a2d8352c07a756c3837683a27a1e659ef">getProof</a>());</div>
<div class="line"><a name="l00702"></a><span class="lineno"> 702</span>  pfs.push_back(a_th.<a class="code" href="classCVC3_1_1Theorem.html#a2d8352c07a756c3837683a27a1e659ef">getProof</a>());</div>
<div class="line"><a name="l00703"></a><span class="lineno"> 703</span>  pfs.push_back(l_th.<a class="code" href="classCVC3_1_1Theorem.html#a2d8352c07a756c3837683a27a1e659ef">getProof</a>());</div>
<div class="line"><a name="l00704"></a><span class="lineno"> 704</span>  pf = <a class="code" href="classCVC3_1_1TheoremProducer.html#a9a8e67b1fb33d5dfe428a659d8c66651">newPf</a>(<span class="stringliteral">"prop_andr_rf"</span>, exprs, pfs);</div>
<div class="line"><a name="l00705"></a><span class="lineno"> 705</span>  }</div>
<div class="line"><a name="l00706"></a><span class="lineno"> 706</span> </div>
<div class="line"><a name="l00707"></a><span class="lineno"> 707</span>  <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1TheoremProducer.html#ab3afa2471d244b129865548afe06ca89" title="Create a new theorem. See also newRWTheorem() and newReflTheorem()">newTheorem</a>(andr_e[2].negate(), a, pf);</div>
<div class="line"><a name="l00708"></a><span class="lineno"> 708</span> }</div>
<div class="line"><a name="l00709"></a><span class="lineno"> 709</span> </div>
<div class="line"><a name="l00710"></a><span class="lineno"> 710</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a></div>
<div class="line"><a name="l00711"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#a8b6dd7f1001b52a5be21914e1ecf6da0"> 711</a></span> <a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#a8b6dd7f1001b52a5be21914e1ecf6da0">SearchEngineTheoremProducer::confAndrAT</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& andr_th,</div>
<div class="line"><a name="l00712"></a><span class="lineno"> 712</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& a_th,</div>
<div class="line"><a name="l00713"></a><span class="lineno"> 713</span>  <span class="keywordtype">bool</span> <a class="code" href="namespaceMiniSat.html#ad93cb56673487974071ed3b75bf4ea83">left</a>,</div>
<div class="line"><a name="l00714"></a><span class="lineno"> 714</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& b_th) {</div>
<div class="line"><a name="l00715"></a><span class="lineno"> 715</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& andr_e(andr_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l00716"></a><span class="lineno"> 716</span>  <span class="keywordflow">if</span>(<a class="code" href="theorem__producer_8h.html#a74a97b789e1a9e6c016291960c657445">CHECK_PROOFS</a>) {</div>
<div class="line"><a name="l00717"></a><span class="lineno"> 717</span>  <a class="code" href="theorem__producer_8h.html#a03dbe872f723d32fd975528f811d646e">CHECK_SOUND</a>(andr_e.getKind() == <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5baf18208f4921c8175373d32e4ce909d42">AND_R</a> && a_th.<a class="code" href="classCVC3_1_1Theorem.html#afd8511ead1dfc424a75089f4b4afb95d" title="Check if the flag attribute is set.">proves</a>(andr_e[0]) &&</div>
<div class="line"><a name="l00718"></a><span class="lineno"> 718</span>  ((left && b_th.<a class="code" href="classCVC3_1_1Theorem.html#a657f0037f907743988443bffdf2e505c" title="Check if the flag attribute is set.">refutes</a>(andr_e[1])) ||</div>
<div class="line"><a name="l00719"></a><span class="lineno"> 719</span>  (!left && b_th.<a class="code" href="classCVC3_1_1Theorem.html#a657f0037f907743988443bffdf2e505c" title="Check if the flag attribute is set.">refutes</a>(andr_e[2]))),</div>
<div class="line"><a name="l00720"></a><span class="lineno"> 720</span>  <span class="stringliteral">"SearchEngineTheoremProducer::confAndrAT"</span>);</div>
<div class="line"><a name="l00721"></a><span class="lineno"> 721</span>  }</div>
<div class="line"><a name="l00722"></a><span class="lineno"> 722</span> </div>
<div class="line"><a name="l00723"></a><span class="lineno"> 723</span>  <a class="code" href="classCVC3_1_1Assumptions.html">Assumptions</a> a(andr_th, a_th);</div>
<div class="line"><a name="l00724"></a><span class="lineno"> 724</span>  a.<a class="code" href="classCVC3_1_1Assumptions.html#a72ece655220d8976c4090006eb7b0b40">add</a>(b_th);</div>
<div class="line"><a name="l00725"></a><span class="lineno"> 725</span>  <a class="code" href="classCVC3_1_1Proof.html">Proof</a> pf;</div>
<div class="line"><a name="l00726"></a><span class="lineno"> 726</span> </div>
<div class="line"><a name="l00727"></a><span class="lineno"> 727</span>  <span class="keywordflow">if</span>(<a class="code" href="classCVC3_1_1TheoremProducer.html#aceb1eeebc6b491b3241f463488471f3a" title="Testing whether to generate proofs.">withProof</a>()) {</div>
<div class="line"><a name="l00728"></a><span class="lineno"> 728</span>  vector<Proof> pfs;</div>
<div class="line"><a name="l00729"></a><span class="lineno"> 729</span>  vector<Expr> exprs;</div>
<div class="line"><a name="l00730"></a><span class="lineno"> 730</span>  exprs.push_back(andr_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l00731"></a><span class="lineno"> 731</span>  exprs.push_back(a_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l00732"></a><span class="lineno"> 732</span>  exprs.push_back(b_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l00733"></a><span class="lineno"> 733</span>  pfs.push_back(andr_th.<a class="code" href="classCVC3_1_1Theorem.html#a2d8352c07a756c3837683a27a1e659ef">getProof</a>());</div>
<div class="line"><a name="l00734"></a><span class="lineno"> 734</span>  pfs.push_back(a_th.<a class="code" href="classCVC3_1_1Theorem.html#a2d8352c07a756c3837683a27a1e659ef">getProof</a>());</div>
<div class="line"><a name="l00735"></a><span class="lineno"> 735</span>  pfs.push_back(b_th.<a class="code" href="classCVC3_1_1Theorem.html#a2d8352c07a756c3837683a27a1e659ef">getProof</a>());</div>
<div class="line"><a name="l00736"></a><span class="lineno"> 736</span>  <span class="comment">// can we note which branch to take?</span></div>
<div class="line"><a name="l00737"></a><span class="lineno"> 737</span>  pf = <a class="code" href="classCVC3_1_1TheoremProducer.html#a9a8e67b1fb33d5dfe428a659d8c66651">newPf</a>(<span class="stringliteral">"conf_andr_at"</span>, exprs, pfs);</div>
<div class="line"><a name="l00738"></a><span class="lineno"> 738</span>  }</div>
<div class="line"><a name="l00739"></a><span class="lineno"> 739</span> </div>
<div class="line"><a name="l00740"></a><span class="lineno"> 740</span>  <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1TheoremProducer.html#ab3afa2471d244b129865548afe06ca89" title="Create a new theorem. See also newRWTheorem() and newReflTheorem()">newTheorem</a>(<a class="code" href="classCVC3_1_1TheoremProducer.html#a1b706238281ad141a57363a6890f14a5">d_em</a>-><a class="code" href="group__EM__Priv.html#gaae9db4c93c67cbf8bbf5d1e60e94f1ae" title="FALSE Expr.">falseExpr</a>(), a, pf);</div>
<div class="line"><a name="l00741"></a><span class="lineno"> 741</span> }</div>
<div class="line"><a name="l00742"></a><span class="lineno"> 742</span> </div>
<div class="line"><a name="l00743"></a><span class="lineno"> 743</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a></div>
<div class="line"><a name="l00744"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#a09acd80b1c336ac225de0a71bee0d4c8"> 744</a></span> <a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#a09acd80b1c336ac225de0a71bee0d4c8">SearchEngineTheoremProducer::confAndrAF</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& andr_th,</div>
<div class="line"><a name="l00745"></a><span class="lineno"> 745</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& a_th,</div>
<div class="line"><a name="l00746"></a><span class="lineno"> 746</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& l_th,</div>
<div class="line"><a name="l00747"></a><span class="lineno"> 747</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& r_th) {</div>
<div class="line"><a name="l00748"></a><span class="lineno"> 748</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& andr_e(andr_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l00749"></a><span class="lineno"> 749</span>  <span class="keywordflow">if</span>(<a class="code" href="theorem__producer_8h.html#a74a97b789e1a9e6c016291960c657445">CHECK_PROOFS</a>) {</div>
<div class="line"><a name="l00750"></a><span class="lineno"> 750</span>  <a class="code" href="theorem__producer_8h.html#a03dbe872f723d32fd975528f811d646e">CHECK_SOUND</a>(andr_e.getKind() == <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5baf18208f4921c8175373d32e4ce909d42">AND_R</a> && a_th.<a class="code" href="classCVC3_1_1Theorem.html#a657f0037f907743988443bffdf2e505c" title="Check if the flag attribute is set.">refutes</a>(andr_e[0]) &&</div>
<div class="line"><a name="l00751"></a><span class="lineno"> 751</span>  l_th.<a class="code" href="classCVC3_1_1Theorem.html#afd8511ead1dfc424a75089f4b4afb95d" title="Check if the flag attribute is set.">proves</a>(andr_e[1]) && r_th.<a class="code" href="classCVC3_1_1Theorem.html#afd8511ead1dfc424a75089f4b4afb95d" title="Check if the flag attribute is set.">proves</a>(andr_e[2]),</div>
<div class="line"><a name="l00752"></a><span class="lineno"> 752</span>  <span class="stringliteral">"SearchEngineTheoremProducer::confAndrAF"</span>);</div>
<div class="line"><a name="l00753"></a><span class="lineno"> 753</span>  }</div>
<div class="line"><a name="l00754"></a><span class="lineno"> 754</span> </div>
<div class="line"><a name="l00755"></a><span class="lineno"> 755</span>  <a class="code" href="classCVC3_1_1Assumptions.html">Assumptions</a> a;</div>
<div class="line"><a name="l00756"></a><span class="lineno"> 756</span>  <a class="code" href="classCVC3_1_1Proof.html">Proof</a> pf;</div>
<div class="line"><a name="l00757"></a><span class="lineno"> 757</span>  <span class="keywordflow">if</span>(<a class="code" href="classCVC3_1_1TheoremProducer.html#a32afe6d99e661b5c70082036e40d48bc" title="Testing whether to generate assumptions.">withAssumptions</a>()) {</div>
<div class="line"><a name="l00758"></a><span class="lineno"> 758</span>  a.<a class="code" href="classCVC3_1_1Assumptions.html#a72ece655220d8976c4090006eb7b0b40">add</a>(andr_th);</div>
<div class="line"><a name="l00759"></a><span class="lineno"> 759</span>  a.<a class="code" href="classCVC3_1_1Assumptions.html#a72ece655220d8976c4090006eb7b0b40">add</a>(a_th);</div>
<div class="line"><a name="l00760"></a><span class="lineno"> 760</span>  a.<a class="code" href="classCVC3_1_1Assumptions.html#a72ece655220d8976c4090006eb7b0b40">add</a>(l_th);</div>
<div class="line"><a name="l00761"></a><span class="lineno"> 761</span>  a.<a class="code" href="classCVC3_1_1Assumptions.html#a72ece655220d8976c4090006eb7b0b40">add</a>(r_th);</div>
<div class="line"><a name="l00762"></a><span class="lineno"> 762</span>  }</div>
<div class="line"><a name="l00763"></a><span class="lineno"> 763</span> </div>
<div class="line"><a name="l00764"></a><span class="lineno"> 764</span>  <span class="keywordflow">if</span>(<a class="code" href="classCVC3_1_1TheoremProducer.html#aceb1eeebc6b491b3241f463488471f3a" title="Testing whether to generate proofs.">withProof</a>()) {</div>
<div class="line"><a name="l00765"></a><span class="lineno"> 765</span>  vector<Proof> pfs;</div>
<div class="line"><a name="l00766"></a><span class="lineno"> 766</span>  vector<Expr> exprs;</div>
<div class="line"><a name="l00767"></a><span class="lineno"> 767</span>  exprs.push_back(andr_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l00768"></a><span class="lineno"> 768</span>  exprs.push_back(a_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l00769"></a><span class="lineno"> 769</span>  exprs.push_back(l_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l00770"></a><span class="lineno"> 770</span>  exprs.push_back(r_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l00771"></a><span class="lineno"> 771</span>  pfs.push_back(andr_th.<a class="code" href="classCVC3_1_1Theorem.html#a2d8352c07a756c3837683a27a1e659ef">getProof</a>());</div>
<div class="line"><a name="l00772"></a><span class="lineno"> 772</span>  pfs.push_back(a_th.<a class="code" href="classCVC3_1_1Theorem.html#a2d8352c07a756c3837683a27a1e659ef">getProof</a>());</div>
<div class="line"><a name="l00773"></a><span class="lineno"> 773</span>  pfs.push_back(l_th.<a class="code" href="classCVC3_1_1Theorem.html#a2d8352c07a756c3837683a27a1e659ef">getProof</a>());</div>
<div class="line"><a name="l00774"></a><span class="lineno"> 774</span>  pfs.push_back(r_th.<a class="code" href="classCVC3_1_1Theorem.html#a2d8352c07a756c3837683a27a1e659ef">getProof</a>());</div>
<div class="line"><a name="l00775"></a><span class="lineno"> 775</span>  pf = <a class="code" href="classCVC3_1_1TheoremProducer.html#a9a8e67b1fb33d5dfe428a659d8c66651">newPf</a>(<span class="stringliteral">"conf_andr_af"</span>, exprs, pfs);</div>
<div class="line"><a name="l00776"></a><span class="lineno"> 776</span>  }</div>
<div class="line"><a name="l00777"></a><span class="lineno"> 777</span> </div>
<div class="line"><a name="l00778"></a><span class="lineno"> 778</span>  <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1TheoremProducer.html#ab3afa2471d244b129865548afe06ca89" title="Create a new theorem. See also newRWTheorem() and newReflTheorem()">newTheorem</a>(<a class="code" href="classCVC3_1_1TheoremProducer.html#a1b706238281ad141a57363a6890f14a5">d_em</a>-><a class="code" href="group__EM__Priv.html#gaae9db4c93c67cbf8bbf5d1e60e94f1ae" title="FALSE Expr.">falseExpr</a>(), a, pf);</div>
<div class="line"><a name="l00779"></a><span class="lineno"> 779</span> }</div>
<div class="line"><a name="l00780"></a><span class="lineno"> 780</span> </div>
<div class="line"><a name="l00781"></a><span class="lineno"> 781</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a></div>
<div class="line"><a name="l00782"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#afb6d1f50a0b2cf48bf98517731160595"> 782</a></span> <a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#afb6d1f50a0b2cf48bf98517731160595">SearchEngineTheoremProducer::propIffr</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& iffr_th,</div>
<div class="line"><a name="l00783"></a><span class="lineno"> 783</span>  <span class="keywordtype">int</span> p,</div>
<div class="line"><a name="l00784"></a><span class="lineno"> 784</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& a_th,</div>
<div class="line"><a name="l00785"></a><span class="lineno"> 785</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& b_th)</div>
<div class="line"><a name="l00786"></a><span class="lineno"> 786</span> {</div>
<div class="line"><a name="l00787"></a><span class="lineno"> 787</span>  <span class="keywordtype">int</span> a(-1), b(-1);</div>
<div class="line"><a name="l00788"></a><span class="lineno"> 788</span>  <span class="keywordflow">if</span>(<a class="code" href="theorem__producer_8h.html#a74a97b789e1a9e6c016291960c657445">CHECK_PROOFS</a>)</div>
<div class="line"><a name="l00789"></a><span class="lineno"> 789</span>  <a class="code" href="theorem__producer_8h.html#a03dbe872f723d32fd975528f811d646e">CHECK_SOUND</a>(p == 0 || p == 1 || p == 2,</div>
<div class="line"><a name="l00790"></a><span class="lineno"> 790</span>  <span class="stringliteral">"SearchEngineTheoremProducer::propIffr: p="</span></div>
<div class="line"><a name="l00791"></a><span class="lineno"> 791</span>  +<a class="code" href="namespaceCVC3.html#af69618103f1f0f2eadada0796a2a940c">int2string</a>(p));</div>
<div class="line"><a name="l00792"></a><span class="lineno"> 792</span>  <span class="keywordflow">switch</span> (p) {</div>
<div class="line"><a name="l00793"></a><span class="lineno"> 793</span>  <span class="keywordflow">case</span> 0: a = 1; b = 2; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00794"></a><span class="lineno"> 794</span>  <span class="keywordflow">case</span> 1: a = 0; b = 2; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00795"></a><span class="lineno"> 795</span>  <span class="keywordflow">case</span> 2: a = 0; b = 1; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00796"></a><span class="lineno"> 796</span>  }</div>
<div class="line"><a name="l00797"></a><span class="lineno"> 797</span> </div>
<div class="line"><a name="l00798"></a><span class="lineno"> 798</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& iffr_e(iffr_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l00799"></a><span class="lineno"> 799</span> </div>
<div class="line"><a name="l00800"></a><span class="lineno"> 800</span>  <span class="keywordtype">bool</span> v0 = a_th.<a class="code" href="classCVC3_1_1Theorem.html#afd8511ead1dfc424a75089f4b4afb95d" title="Check if the flag attribute is set.">proves</a>(iffr_e[a]);</div>
<div class="line"><a name="l00801"></a><span class="lineno"> 801</span>  <span class="keywordtype">bool</span> v1 = b_th.<a class="code" href="classCVC3_1_1Theorem.html#afd8511ead1dfc424a75089f4b4afb95d" title="Check if the flag attribute is set.">proves</a>(iffr_e[b]);</div>
<div class="line"><a name="l00802"></a><span class="lineno"> 802</span> </div>
<div class="line"><a name="l00803"></a><span class="lineno"> 803</span>  <span class="keywordflow">if</span> (<a class="code" href="theorem__producer_8h.html#a74a97b789e1a9e6c016291960c657445">CHECK_PROOFS</a>) {</div>
<div class="line"><a name="l00804"></a><span class="lineno"> 804</span>  <a class="code" href="theorem__producer_8h.html#a03dbe872f723d32fd975528f811d646e">CHECK_SOUND</a>(iffr_e.getKind() == <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5bab3535bf1f1c26490d56f63dc20696fa6">IFF_R</a> &&</div>
<div class="line"><a name="l00805"></a><span class="lineno"> 805</span>  (v0 || a_th.<a class="code" href="classCVC3_1_1Theorem.html#a657f0037f907743988443bffdf2e505c" title="Check if the flag attribute is set.">refutes</a>(iffr_e[a])) &&</div>
<div class="line"><a name="l00806"></a><span class="lineno"> 806</span>  (v1 || b_th.<a class="code" href="classCVC3_1_1Theorem.html#a657f0037f907743988443bffdf2e505c" title="Check if the flag attribute is set.">refutes</a>(iffr_e[b])),</div>
<div class="line"><a name="l00807"></a><span class="lineno"> 807</span>  <span class="stringliteral">"SearchEngineTheoremProducer::propIffr"</span>);</div>
<div class="line"><a name="l00808"></a><span class="lineno"> 808</span>  }</div>
<div class="line"><a name="l00809"></a><span class="lineno"> 809</span> </div>
<div class="line"><a name="l00810"></a><span class="lineno"> 810</span>  <a class="code" href="classCVC3_1_1Assumptions.html">Assumptions</a> aa;</div>
<div class="line"><a name="l00811"></a><span class="lineno"> 811</span>  <a class="code" href="classCVC3_1_1Proof.html">Proof</a> pf;</div>
<div class="line"><a name="l00812"></a><span class="lineno"> 812</span>  <span class="keywordflow">if</span> (<a class="code" href="classCVC3_1_1TheoremProducer.html#a32afe6d99e661b5c70082036e40d48bc" title="Testing whether to generate assumptions.">withAssumptions</a>()) {</div>
<div class="line"><a name="l00813"></a><span class="lineno"> 813</span>  aa.<a class="code" href="classCVC3_1_1Assumptions.html#a72ece655220d8976c4090006eb7b0b40">add</a>(iffr_th);</div>
<div class="line"><a name="l00814"></a><span class="lineno"> 814</span>  aa.<a class="code" href="classCVC3_1_1Assumptions.html#a72ece655220d8976c4090006eb7b0b40">add</a>(a_th);</div>
<div class="line"><a name="l00815"></a><span class="lineno"> 815</span>  aa.<a class="code" href="classCVC3_1_1Assumptions.html#a72ece655220d8976c4090006eb7b0b40">add</a>(b_th);</div>
<div class="line"><a name="l00816"></a><span class="lineno"> 816</span>  }</div>
<div class="line"><a name="l00817"></a><span class="lineno"> 817</span> </div>
<div class="line"><a name="l00818"></a><span class="lineno"> 818</span>  <span class="keywordflow">if</span> (<a class="code" href="classCVC3_1_1TheoremProducer.html#aceb1eeebc6b491b3241f463488471f3a" title="Testing whether to generate proofs.">withProof</a>()) {</div>
<div class="line"><a name="l00819"></a><span class="lineno"> 819</span>  vector<Proof> pfs;</div>
<div class="line"><a name="l00820"></a><span class="lineno"> 820</span>  vector<Expr> exprs;</div>
<div class="line"><a name="l00821"></a><span class="lineno"> 821</span>  exprs.push_back(iffr_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l00822"></a><span class="lineno"> 822</span>  exprs.push_back(a_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l00823"></a><span class="lineno"> 823</span>  exprs.push_back(b_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l00824"></a><span class="lineno"> 824</span>  pfs.push_back(iffr_th.<a class="code" href="classCVC3_1_1Theorem.html#a2d8352c07a756c3837683a27a1e659ef">getProof</a>());</div>
<div class="line"><a name="l00825"></a><span class="lineno"> 825</span>  pfs.push_back(a_th.<a class="code" href="classCVC3_1_1Theorem.html#a2d8352c07a756c3837683a27a1e659ef">getProof</a>());</div>
<div class="line"><a name="l00826"></a><span class="lineno"> 826</span>  pfs.push_back(b_th.<a class="code" href="classCVC3_1_1Theorem.html#a2d8352c07a756c3837683a27a1e659ef">getProof</a>());</div>
<div class="line"><a name="l00827"></a><span class="lineno"> 827</span>  pf = <a class="code" href="classCVC3_1_1TheoremProducer.html#a9a8e67b1fb33d5dfe428a659d8c66651">newPf</a>(<span class="stringliteral">"prop_iffr"</span>, exprs, pfs);</div>
<div class="line"><a name="l00828"></a><span class="lineno"> 828</span>  }</div>
<div class="line"><a name="l00829"></a><span class="lineno"> 829</span> </div>
<div class="line"><a name="l00830"></a><span class="lineno"> 830</span>  <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1TheoremProducer.html#ab3afa2471d244b129865548afe06ca89" title="Create a new theorem. See also newRWTheorem() and newReflTheorem()">newTheorem</a>(v0 == v1 ? iffr_e[p] : iffr_e[p].negate(), aa, pf);</div>
<div class="line"><a name="l00831"></a><span class="lineno"> 831</span> }</div>
<div class="line"><a name="l00832"></a><span class="lineno"> 832</span> </div>
<div class="line"><a name="l00833"></a><span class="lineno"> 833</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a></div>
<div class="line"><a name="l00834"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#afc1db7951ca830c313d2cef522e45f25"> 834</a></span> <a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#afc1db7951ca830c313d2cef522e45f25">SearchEngineTheoremProducer::confIffr</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& iffr_th,</div>
<div class="line"><a name="l00835"></a><span class="lineno"> 835</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& i_th,</div>
<div class="line"><a name="l00836"></a><span class="lineno"> 836</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& l_th,</div>
<div class="line"><a name="l00837"></a><span class="lineno"> 837</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& r_th)</div>
<div class="line"><a name="l00838"></a><span class="lineno"> 838</span> {</div>
<div class="line"><a name="l00839"></a><span class="lineno"> 839</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& iffr_e(iffr_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l00840"></a><span class="lineno"> 840</span> </div>
<div class="line"><a name="l00841"></a><span class="lineno"> 841</span>  <span class="keywordtype">bool</span> v0 = i_th.<a class="code" href="classCVC3_1_1Theorem.html#afd8511ead1dfc424a75089f4b4afb95d" title="Check if the flag attribute is set.">proves</a>(iffr_e[0]);</div>
<div class="line"><a name="l00842"></a><span class="lineno"> 842</span>  <span class="keywordtype">bool</span> v1 = l_th.<a class="code" href="classCVC3_1_1Theorem.html#afd8511ead1dfc424a75089f4b4afb95d" title="Check if the flag attribute is set.">proves</a>(iffr_e[1]);</div>
<div class="line"><a name="l00843"></a><span class="lineno"> 843</span>  <span class="keywordtype">bool</span> v2 = r_th.<a class="code" href="classCVC3_1_1Theorem.html#afd8511ead1dfc424a75089f4b4afb95d" title="Check if the flag attribute is set.">proves</a>(iffr_e[2]);</div>
<div class="line"><a name="l00844"></a><span class="lineno"> 844</span> </div>
<div class="line"><a name="l00845"></a><span class="lineno"> 845</span>  <span class="keywordflow">if</span> (<a class="code" href="theorem__producer_8h.html#a74a97b789e1a9e6c016291960c657445">CHECK_PROOFS</a>) {</div>
<div class="line"><a name="l00846"></a><span class="lineno"> 846</span>  <a class="code" href="theorem__producer_8h.html#a03dbe872f723d32fd975528f811d646e">CHECK_SOUND</a>(iffr_e.getKind() == <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5bab3535bf1f1c26490d56f63dc20696fa6">IFF_R</a> &&</div>
<div class="line"><a name="l00847"></a><span class="lineno"> 847</span>  (v0 || i_th.<a class="code" href="classCVC3_1_1Theorem.html#a657f0037f907743988443bffdf2e505c" title="Check if the flag attribute is set.">refutes</a>(iffr_e[0])) &&</div>
<div class="line"><a name="l00848"></a><span class="lineno"> 848</span>  (v1 || l_th.<a class="code" href="classCVC3_1_1Theorem.html#a657f0037f907743988443bffdf2e505c" title="Check if the flag attribute is set.">refutes</a>(iffr_e[1])) &&</div>
<div class="line"><a name="l00849"></a><span class="lineno"> 849</span>  (v2 || r_th.<a class="code" href="classCVC3_1_1Theorem.html#a657f0037f907743988443bffdf2e505c" title="Check if the flag attribute is set.">refutes</a>(iffr_e[2])) &&</div>
<div class="line"><a name="l00850"></a><span class="lineno"> 850</span>  ((v0 && v1 != v2) || (!v0 && v1 == v2)),</div>
<div class="line"><a name="l00851"></a><span class="lineno"> 851</span>  <span class="stringliteral">"SearchEngineTheoremProducer::confIffr"</span>);</div>
<div class="line"><a name="l00852"></a><span class="lineno"> 852</span>  }</div>
<div class="line"><a name="l00853"></a><span class="lineno"> 853</span> </div>
<div class="line"><a name="l00854"></a><span class="lineno"> 854</span>  <a class="code" href="classCVC3_1_1Assumptions.html">Assumptions</a> a;</div>
<div class="line"><a name="l00855"></a><span class="lineno"> 855</span>  <a class="code" href="classCVC3_1_1Proof.html">Proof</a> pf;</div>
<div class="line"><a name="l00856"></a><span class="lineno"> 856</span>  <span class="keywordflow">if</span> (<a class="code" href="classCVC3_1_1TheoremProducer.html#a32afe6d99e661b5c70082036e40d48bc" title="Testing whether to generate assumptions.">withAssumptions</a>()) {</div>
<div class="line"><a name="l00857"></a><span class="lineno"> 857</span>  a.<a class="code" href="classCVC3_1_1Assumptions.html#a72ece655220d8976c4090006eb7b0b40">add</a>(iffr_th);</div>
<div class="line"><a name="l00858"></a><span class="lineno"> 858</span>  a.<a class="code" href="classCVC3_1_1Assumptions.html#a72ece655220d8976c4090006eb7b0b40">add</a>(i_th);</div>
<div class="line"><a name="l00859"></a><span class="lineno"> 859</span>  a.<a class="code" href="classCVC3_1_1Assumptions.html#a72ece655220d8976c4090006eb7b0b40">add</a>(l_th);</div>
<div class="line"><a name="l00860"></a><span class="lineno"> 860</span>  a.<a class="code" href="classCVC3_1_1Assumptions.html#a72ece655220d8976c4090006eb7b0b40">add</a>(r_th);</div>
<div class="line"><a name="l00861"></a><span class="lineno"> 861</span>  }</div>
<div class="line"><a name="l00862"></a><span class="lineno"> 862</span> </div>
<div class="line"><a name="l00863"></a><span class="lineno"> 863</span>  <span class="keywordflow">if</span> (<a class="code" href="classCVC3_1_1TheoremProducer.html#aceb1eeebc6b491b3241f463488471f3a" title="Testing whether to generate proofs.">withProof</a>()) {</div>
<div class="line"><a name="l00864"></a><span class="lineno"> 864</span>  vector<Proof> pfs;</div>
<div class="line"><a name="l00865"></a><span class="lineno"> 865</span>  vector<Expr> exprs;</div>
<div class="line"><a name="l00866"></a><span class="lineno"> 866</span>  exprs.push_back(iffr_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l00867"></a><span class="lineno"> 867</span>  exprs.push_back(i_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l00868"></a><span class="lineno"> 868</span>  exprs.push_back(l_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l00869"></a><span class="lineno"> 869</span>  exprs.push_back(r_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l00870"></a><span class="lineno"> 870</span>  pfs.push_back(iffr_th.<a class="code" href="classCVC3_1_1Theorem.html#a2d8352c07a756c3837683a27a1e659ef">getProof</a>());</div>
<div class="line"><a name="l00871"></a><span class="lineno"> 871</span>  pfs.push_back(i_th.<a class="code" href="classCVC3_1_1Theorem.html#a2d8352c07a756c3837683a27a1e659ef">getProof</a>());</div>
<div class="line"><a name="l00872"></a><span class="lineno"> 872</span>  pfs.push_back(l_th.<a class="code" href="classCVC3_1_1Theorem.html#a2d8352c07a756c3837683a27a1e659ef">getProof</a>());</div>
<div class="line"><a name="l00873"></a><span class="lineno"> 873</span>  pfs.push_back(r_th.<a class="code" href="classCVC3_1_1Theorem.html#a2d8352c07a756c3837683a27a1e659ef">getProof</a>());</div>
<div class="line"><a name="l00874"></a><span class="lineno"> 874</span>  pf = <a class="code" href="classCVC3_1_1TheoremProducer.html#a9a8e67b1fb33d5dfe428a659d8c66651">newPf</a>(<span class="stringliteral">"conf_iffr"</span>, exprs, pfs);</div>
<div class="line"><a name="l00875"></a><span class="lineno"> 875</span>  }</div>
<div class="line"><a name="l00876"></a><span class="lineno"> 876</span> </div>
<div class="line"><a name="l00877"></a><span class="lineno"> 877</span>  <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1TheoremProducer.html#ab3afa2471d244b129865548afe06ca89" title="Create a new theorem. See also newRWTheorem() and newReflTheorem()">newTheorem</a>(<a class="code" href="classCVC3_1_1TheoremProducer.html#a1b706238281ad141a57363a6890f14a5">d_em</a>-><a class="code" href="group__EM__Priv.html#gaae9db4c93c67cbf8bbf5d1e60e94f1ae" title="FALSE Expr.">falseExpr</a>(), a, pf);</div>
<div class="line"><a name="l00878"></a><span class="lineno"> 878</span> }</div>
<div class="line"><a name="l00879"></a><span class="lineno"> 879</span> </div>
<div class="line"><a name="l00880"></a><span class="lineno"> 880</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a></div>
<div class="line"><a name="l00881"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#a9964535eb830bbc87e91f40e71333dfa"> 881</a></span> <a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#a9964535eb830bbc87e91f40e71333dfa">SearchEngineTheoremProducer::propIterIte</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& iter_th,</div>
<div class="line"><a name="l00882"></a><span class="lineno"> 882</span>  <span class="keywordtype">bool</span> <a class="code" href="namespaceMiniSat.html#ad93cb56673487974071ed3b75bf4ea83">left</a>,</div>
<div class="line"><a name="l00883"></a><span class="lineno"> 883</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& if_th,</div>
<div class="line"><a name="l00884"></a><span class="lineno"> 884</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& then_th)</div>
<div class="line"><a name="l00885"></a><span class="lineno"> 885</span> {</div>
<div class="line"><a name="l00886"></a><span class="lineno"> 886</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& iter_e(iter_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l00887"></a><span class="lineno"> 887</span> </div>
<div class="line"><a name="l00888"></a><span class="lineno"> 888</span>  <span class="keywordtype">bool</span> v0 = if_th.<a class="code" href="classCVC3_1_1Theorem.html#afd8511ead1dfc424a75089f4b4afb95d" title="Check if the flag attribute is set.">proves</a>(iter_e[1]);</div>
<div class="line"><a name="l00889"></a><span class="lineno"> 889</span>  <span class="keywordtype">bool</span> v1 = then_th.<a class="code" href="classCVC3_1_1Theorem.html#afd8511ead1dfc424a75089f4b4afb95d" title="Check if the flag attribute is set.">proves</a>(iter_e[left ? 2 : 3]);</div>
<div class="line"><a name="l00890"></a><span class="lineno"> 890</span> </div>
<div class="line"><a name="l00891"></a><span class="lineno"> 891</span>  <span class="keywordflow">if</span> (<a class="code" href="theorem__producer_8h.html#a74a97b789e1a9e6c016291960c657445">CHECK_PROOFS</a>) {</div>
<div class="line"><a name="l00892"></a><span class="lineno"> 892</span>  <a class="code" href="theorem__producer_8h.html#a03dbe872f723d32fd975528f811d646e">CHECK_SOUND</a>(iter_e.getKind() == <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba096c0758089b7d7d0a596b1b4c89a084">ITE_R</a> &&</div>
<div class="line"><a name="l00893"></a><span class="lineno"> 893</span>  (v0 || if_th.<a class="code" href="classCVC3_1_1Theorem.html#a657f0037f907743988443bffdf2e505c" title="Check if the flag attribute is set.">refutes</a>(iter_e[1])) &&</div>
<div class="line"><a name="l00894"></a><span class="lineno"> 894</span>  (v1 || then_th.<a class="code" href="classCVC3_1_1Theorem.html#a657f0037f907743988443bffdf2e505c" title="Check if the flag attribute is set.">refutes</a>(iter_e[left ? 2 : 3])) &&</div>
<div class="line"><a name="l00895"></a><span class="lineno"> 895</span>  v0 == left,</div>
<div class="line"><a name="l00896"></a><span class="lineno"> 896</span>  <span class="stringliteral">"SearchEngineTheoremProducer::propIterIte"</span>);</div>
<div class="line"><a name="l00897"></a><span class="lineno"> 897</span>  }</div>
<div class="line"><a name="l00898"></a><span class="lineno"> 898</span> </div>
<div class="line"><a name="l00899"></a><span class="lineno"> 899</span>  <a class="code" href="classCVC3_1_1Assumptions.html">Assumptions</a> a;</div>
<div class="line"><a name="l00900"></a><span class="lineno"> 900</span>  <a class="code" href="classCVC3_1_1Proof.html">Proof</a> pf;</div>
<div class="line"><a name="l00901"></a><span class="lineno"> 901</span>  <span class="keywordflow">if</span> (<a class="code" href="classCVC3_1_1TheoremProducer.html#a32afe6d99e661b5c70082036e40d48bc" title="Testing whether to generate assumptions.">withAssumptions</a>()) {</div>
<div class="line"><a name="l00902"></a><span class="lineno"> 902</span>  a.<a class="code" href="classCVC3_1_1Assumptions.html#a72ece655220d8976c4090006eb7b0b40">add</a>(iter_th);</div>
<div class="line"><a name="l00903"></a><span class="lineno"> 903</span>  a.<a class="code" href="classCVC3_1_1Assumptions.html#a72ece655220d8976c4090006eb7b0b40">add</a>(if_th);</div>
<div class="line"><a name="l00904"></a><span class="lineno"> 904</span>  a.<a class="code" href="classCVC3_1_1Assumptions.html#a72ece655220d8976c4090006eb7b0b40">add</a>(then_th);</div>
<div class="line"><a name="l00905"></a><span class="lineno"> 905</span>  }</div>
<div class="line"><a name="l00906"></a><span class="lineno"> 906</span> </div>
<div class="line"><a name="l00907"></a><span class="lineno"> 907</span>  <span class="keywordflow">if</span> (<a class="code" href="classCVC3_1_1TheoremProducer.html#aceb1eeebc6b491b3241f463488471f3a" title="Testing whether to generate proofs.">withProof</a>()) {</div>
<div class="line"><a name="l00908"></a><span class="lineno"> 908</span>  vector<Proof> pfs;</div>
<div class="line"><a name="l00909"></a><span class="lineno"> 909</span>  vector<Expr> exprs;</div>
<div class="line"><a name="l00910"></a><span class="lineno"> 910</span>  exprs.push_back(iter_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l00911"></a><span class="lineno"> 911</span>  exprs.push_back(if_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l00912"></a><span class="lineno"> 912</span>  exprs.push_back(then_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l00913"></a><span class="lineno"> 913</span>  pfs.push_back(iter_th.<a class="code" href="classCVC3_1_1Theorem.html#a2d8352c07a756c3837683a27a1e659ef">getProof</a>());</div>
<div class="line"><a name="l00914"></a><span class="lineno"> 914</span>  pfs.push_back(if_th.<a class="code" href="classCVC3_1_1Theorem.html#a2d8352c07a756c3837683a27a1e659ef">getProof</a>());</div>
<div class="line"><a name="l00915"></a><span class="lineno"> 915</span>  pfs.push_back(then_th.<a class="code" href="classCVC3_1_1Theorem.html#a2d8352c07a756c3837683a27a1e659ef">getProof</a>());</div>
<div class="line"><a name="l00916"></a><span class="lineno"> 916</span>  pf = <a class="code" href="classCVC3_1_1TheoremProducer.html#a9a8e67b1fb33d5dfe428a659d8c66651">newPf</a>(<span class="stringliteral">"prop_iter_ite"</span>, exprs, pfs);</div>
<div class="line"><a name="l00917"></a><span class="lineno"> 917</span>  }</div>
<div class="line"><a name="l00918"></a><span class="lineno"> 918</span> </div>
<div class="line"><a name="l00919"></a><span class="lineno"> 919</span>  <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1TheoremProducer.html#ab3afa2471d244b129865548afe06ca89" title="Create a new theorem. See also newRWTheorem() and newReflTheorem()">newTheorem</a>(v1 ? iter_e[0] : iter_e[0].negate(), a, pf);</div>
<div class="line"><a name="l00920"></a><span class="lineno"> 920</span> }</div>
<div class="line"><a name="l00921"></a><span class="lineno"> 921</span> </div>
<div class="line"><a name="l00922"></a><span class="lineno"> 922</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00923"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#a9c5271d8f47048c4573e21bfd21bc8a7"> 923</a></span> <a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#a9c5271d8f47048c4573e21bfd21bc8a7">SearchEngineTheoremProducer::propIterIfThen</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& iter_th,</div>
<div class="line"><a name="l00924"></a><span class="lineno"> 924</span>  <span class="keywordtype">bool</span> <a class="code" href="namespaceMiniSat.html#ad93cb56673487974071ed3b75bf4ea83">left</a>,</div>
<div class="line"><a name="l00925"></a><span class="lineno"> 925</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& ite_th,</div>
<div class="line"><a name="l00926"></a><span class="lineno"> 926</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& then_th,</div>
<div class="line"><a name="l00927"></a><span class="lineno"> 927</span>  <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>* if_th,</div>
<div class="line"><a name="l00928"></a><span class="lineno"> 928</span>  <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>* else_th)</div>
<div class="line"><a name="l00929"></a><span class="lineno"> 929</span> {</div>
<div class="line"><a name="l00930"></a><span class="lineno"> 930</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& iter_e(iter_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l00931"></a><span class="lineno"> 931</span> </div>
<div class="line"><a name="l00932"></a><span class="lineno"> 932</span>  <span class="keywordtype">bool</span> v0 = ite_th.<a class="code" href="classCVC3_1_1Theorem.html#afd8511ead1dfc424a75089f4b4afb95d" title="Check if the flag attribute is set.">proves</a>(iter_e[0]);</div>
<div class="line"><a name="l00933"></a><span class="lineno"> 933</span>  <span class="keywordtype">bool</span> v1 = then_th.<a class="code" href="classCVC3_1_1Theorem.html#afd8511ead1dfc424a75089f4b4afb95d" title="Check if the flag attribute is set.">proves</a>(iter_e[left ? 2 : 3]);</div>
<div class="line"><a name="l00934"></a><span class="lineno"> 934</span> </div>
<div class="line"><a name="l00935"></a><span class="lineno"> 935</span>  <span class="keywordflow">if</span> (<a class="code" href="theorem__producer_8h.html#a74a97b789e1a9e6c016291960c657445">CHECK_PROOFS</a>) {</div>
<div class="line"><a name="l00936"></a><span class="lineno"> 936</span>  <a class="code" href="theorem__producer_8h.html#a03dbe872f723d32fd975528f811d646e">CHECK_SOUND</a>(iter_e.getKind() == <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba096c0758089b7d7d0a596b1b4c89a084">ITE_R</a> &&</div>
<div class="line"><a name="l00937"></a><span class="lineno"> 937</span>  (v0 || ite_th.<a class="code" href="classCVC3_1_1Theorem.html#a657f0037f907743988443bffdf2e505c" title="Check if the flag attribute is set.">refutes</a>(iter_e[0])) &&</div>
<div class="line"><a name="l00938"></a><span class="lineno"> 938</span>  (v1 || then_th.<a class="code" href="classCVC3_1_1Theorem.html#a657f0037f907743988443bffdf2e505c" title="Check if the flag attribute is set.">refutes</a>(iter_e[left ? 2 : 3])) &&</div>
<div class="line"><a name="l00939"></a><span class="lineno"> 939</span>  v0 != v1,</div>
<div class="line"><a name="l00940"></a><span class="lineno"> 940</span>  <span class="stringliteral">"SearchEngineTheoremProducer::propIterIfThen"</span>);</div>
<div class="line"><a name="l00941"></a><span class="lineno"> 941</span>  }</div>
<div class="line"><a name="l00942"></a><span class="lineno"> 942</span> </div>
<div class="line"><a name="l00943"></a><span class="lineno"> 943</span>  <a class="code" href="classCVC3_1_1Assumptions.html">Assumptions</a> a;</div>
<div class="line"><a name="l00944"></a><span class="lineno"> 944</span>  <a class="code" href="classCVC3_1_1Proof.html">Proof</a> pf;</div>
<div class="line"><a name="l00945"></a><span class="lineno"> 945</span>  <span class="keywordflow">if</span> (<a class="code" href="classCVC3_1_1TheoremProducer.html#a32afe6d99e661b5c70082036e40d48bc" title="Testing whether to generate assumptions.">withAssumptions</a>()) {</div>
<div class="line"><a name="l00946"></a><span class="lineno"> 946</span>  a.<a class="code" href="classCVC3_1_1Assumptions.html#a72ece655220d8976c4090006eb7b0b40">add</a>(iter_th);</div>
<div class="line"><a name="l00947"></a><span class="lineno"> 947</span>  a.<a class="code" href="classCVC3_1_1Assumptions.html#a72ece655220d8976c4090006eb7b0b40">add</a>(ite_th);</div>
<div class="line"><a name="l00948"></a><span class="lineno"> 948</span>  a.<a class="code" href="classCVC3_1_1Assumptions.html#a72ece655220d8976c4090006eb7b0b40">add</a>(then_th);</div>
<div class="line"><a name="l00949"></a><span class="lineno"> 949</span>  }</div>
<div class="line"><a name="l00950"></a><span class="lineno"> 950</span> </div>
<div class="line"><a name="l00951"></a><span class="lineno"> 951</span>  <span class="keywordflow">if</span> (<a class="code" href="classCVC3_1_1TheoremProducer.html#aceb1eeebc6b491b3241f463488471f3a" title="Testing whether to generate proofs.">withProof</a>()) {</div>
<div class="line"><a name="l00952"></a><span class="lineno"> 952</span>  vector<Proof> pfs;</div>
<div class="line"><a name="l00953"></a><span class="lineno"> 953</span>  vector<Expr> exprs;</div>
<div class="line"><a name="l00954"></a><span class="lineno"> 954</span>  exprs.push_back(iter_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l00955"></a><span class="lineno"> 955</span>  exprs.push_back(ite_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l00956"></a><span class="lineno"> 956</span>  exprs.push_back(then_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l00957"></a><span class="lineno"> 957</span>  pfs.push_back(iter_th.<a class="code" href="classCVC3_1_1Theorem.html#a2d8352c07a756c3837683a27a1e659ef">getProof</a>());</div>
<div class="line"><a name="l00958"></a><span class="lineno"> 958</span>  pfs.push_back(ite_th.<a class="code" href="classCVC3_1_1Theorem.html#a2d8352c07a756c3837683a27a1e659ef">getProof</a>());</div>
<div class="line"><a name="l00959"></a><span class="lineno"> 959</span>  pfs.push_back(then_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l00960"></a><span class="lineno"> 960</span>  pf = <a class="code" href="classCVC3_1_1TheoremProducer.html#a9a8e67b1fb33d5dfe428a659d8c66651">newPf</a>(<span class="stringliteral">"prop_iter_if_then"</span>, exprs, pfs);</div>
<div class="line"><a name="l00961"></a><span class="lineno"> 961</span>  }</div>
<div class="line"><a name="l00962"></a><span class="lineno"> 962</span> </div>
<div class="line"><a name="l00963"></a><span class="lineno"> 963</span>  <span class="keywordflow">if</span> (if_th)</div>
<div class="line"><a name="l00964"></a><span class="lineno"> 964</span>  *if_th = <a class="code" href="classCVC3_1_1TheoremProducer.html#ab3afa2471d244b129865548afe06ca89" title="Create a new theorem. See also newRWTheorem() and newReflTheorem()">newTheorem</a>(left ? iter_e[1].negate() : iter_e[1], a, pf);</div>
<div class="line"><a name="l00965"></a><span class="lineno"> 965</span>  <span class="keywordflow">if</span> (else_th)</div>
<div class="line"><a name="l00966"></a><span class="lineno"> 966</span>  *else_th = <a class="code" href="classCVC3_1_1TheoremProducer.html#ab3afa2471d244b129865548afe06ca89" title="Create a new theorem. See also newRWTheorem() and newReflTheorem()">newTheorem</a>(v0 ? iter_e[left ? 3 : 2] : iter_e[left ? 3 : 2].negate(), a, pf);</div>
<div class="line"><a name="l00967"></a><span class="lineno"> 967</span> }</div>
<div class="line"><a name="l00968"></a><span class="lineno"> 968</span> </div>
<div class="line"><a name="l00969"></a><span class="lineno"> 969</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a></div>
<div class="line"><a name="l00970"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#aa3a9dce562278a5383f4551d95b12c3a"> 970</a></span> <a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#aa3a9dce562278a5383f4551d95b12c3a">SearchEngineTheoremProducer::propIterThen</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& iter_th,</div>
<div class="line"><a name="l00971"></a><span class="lineno"> 971</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& ite_th,</div>
<div class="line"><a name="l00972"></a><span class="lineno"> 972</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& if_th)</div>
<div class="line"><a name="l00973"></a><span class="lineno"> 973</span> {</div>
<div class="line"><a name="l00974"></a><span class="lineno"> 974</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& iter_e(iter_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l00975"></a><span class="lineno"> 975</span> </div>
<div class="line"><a name="l00976"></a><span class="lineno"> 976</span>  <span class="keywordtype">bool</span> v0 = ite_th.<a class="code" href="classCVC3_1_1Theorem.html#afd8511ead1dfc424a75089f4b4afb95d" title="Check if the flag attribute is set.">proves</a>(iter_e[0]);</div>
<div class="line"><a name="l00977"></a><span class="lineno"> 977</span>  <span class="keywordtype">bool</span> v1 = if_th.<a class="code" href="classCVC3_1_1Theorem.html#afd8511ead1dfc424a75089f4b4afb95d" title="Check if the flag attribute is set.">proves</a>(iter_e[1]);</div>
<div class="line"><a name="l00978"></a><span class="lineno"> 978</span> </div>
<div class="line"><a name="l00979"></a><span class="lineno"> 979</span>  <span class="keywordflow">if</span> (<a class="code" href="theorem__producer_8h.html#a74a97b789e1a9e6c016291960c657445">CHECK_PROOFS</a>) {</div>
<div class="line"><a name="l00980"></a><span class="lineno"> 980</span>  <a class="code" href="theorem__producer_8h.html#a03dbe872f723d32fd975528f811d646e">CHECK_SOUND</a>(iter_e.getKind() == <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba096c0758089b7d7d0a596b1b4c89a084">ITE_R</a> &&</div>
<div class="line"><a name="l00981"></a><span class="lineno"> 981</span>  (v0 || ite_th.<a class="code" href="classCVC3_1_1Theorem.html#a657f0037f907743988443bffdf2e505c" title="Check if the flag attribute is set.">refutes</a>(iter_e[0])) &&</div>
<div class="line"><a name="l00982"></a><span class="lineno"> 982</span>  (v1 || if_th.<a class="code" href="classCVC3_1_1Theorem.html#a657f0037f907743988443bffdf2e505c" title="Check if the flag attribute is set.">refutes</a>(iter_e[1])),</div>
<div class="line"><a name="l00983"></a><span class="lineno"> 983</span>  <span class="stringliteral">"SearchEngineTheoremProducer::propIterThen"</span>);</div>
<div class="line"><a name="l00984"></a><span class="lineno"> 984</span>  }</div>
<div class="line"><a name="l00985"></a><span class="lineno"> 985</span> </div>
<div class="line"><a name="l00986"></a><span class="lineno"> 986</span>  <a class="code" href="classCVC3_1_1Assumptions.html">Assumptions</a> a;</div>
<div class="line"><a name="l00987"></a><span class="lineno"> 987</span>  <a class="code" href="classCVC3_1_1Proof.html">Proof</a> pf;</div>
<div class="line"><a name="l00988"></a><span class="lineno"> 988</span>  <span class="keywordflow">if</span> (<a class="code" href="classCVC3_1_1TheoremProducer.html#a32afe6d99e661b5c70082036e40d48bc" title="Testing whether to generate assumptions.">withAssumptions</a>()) {</div>
<div class="line"><a name="l00989"></a><span class="lineno"> 989</span>  a.<a class="code" href="classCVC3_1_1Assumptions.html#a72ece655220d8976c4090006eb7b0b40">add</a>(iter_th);</div>
<div class="line"><a name="l00990"></a><span class="lineno"> 990</span>  a.<a class="code" href="classCVC3_1_1Assumptions.html#a72ece655220d8976c4090006eb7b0b40">add</a>(ite_th);</div>
<div class="line"><a name="l00991"></a><span class="lineno"> 991</span>  a.<a class="code" href="classCVC3_1_1Assumptions.html#a72ece655220d8976c4090006eb7b0b40">add</a>(if_th);</div>
<div class="line"><a name="l00992"></a><span class="lineno"> 992</span>  }</div>
<div class="line"><a name="l00993"></a><span class="lineno"> 993</span> </div>
<div class="line"><a name="l00994"></a><span class="lineno"> 994</span>  <span class="keywordflow">if</span> (<a class="code" href="classCVC3_1_1TheoremProducer.html#aceb1eeebc6b491b3241f463488471f3a" title="Testing whether to generate proofs.">withProof</a>()) {</div>
<div class="line"><a name="l00995"></a><span class="lineno"> 995</span>  vector<Proof> pfs;</div>
<div class="line"><a name="l00996"></a><span class="lineno"> 996</span>  vector<Expr> exprs;</div>
<div class="line"><a name="l00997"></a><span class="lineno"> 997</span>  exprs.push_back(iter_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l00998"></a><span class="lineno"> 998</span>  exprs.push_back(ite_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l00999"></a><span class="lineno"> 999</span>  exprs.push_back(if_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l01000"></a><span class="lineno"> 1000</span>  pfs.push_back(iter_th.<a class="code" href="classCVC3_1_1Theorem.html#a2d8352c07a756c3837683a27a1e659ef">getProof</a>());</div>
<div class="line"><a name="l01001"></a><span class="lineno"> 1001</span>  pfs.push_back(ite_th.<a class="code" href="classCVC3_1_1Theorem.html#a2d8352c07a756c3837683a27a1e659ef">getProof</a>());</div>
<div class="line"><a name="l01002"></a><span class="lineno"> 1002</span>  pfs.push_back(if_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l01003"></a><span class="lineno"> 1003</span>  pf = <a class="code" href="classCVC3_1_1TheoremProducer.html#a9a8e67b1fb33d5dfe428a659d8c66651">newPf</a>(<span class="stringliteral">"prop_iter_then"</span>, exprs, pfs);</div>
<div class="line"><a name="l01004"></a><span class="lineno"> 1004</span>  }</div>
<div class="line"><a name="l01005"></a><span class="lineno"> 1005</span> </div>
<div class="line"><a name="l01006"></a><span class="lineno"> 1006</span>  <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1TheoremProducer.html#ab3afa2471d244b129865548afe06ca89" title="Create a new theorem. See also newRWTheorem() and newReflTheorem()">newTheorem</a>(v1 ?</div>
<div class="line"><a name="l01007"></a><span class="lineno"> 1007</span>  (v0 ? iter_e[2] : iter_e[2].negate()) :</div>
<div class="line"><a name="l01008"></a><span class="lineno"> 1008</span>  (v0 ? iter_e[3] : iter_e[3].negate()), a, pf);</div>
<div class="line"><a name="l01009"></a><span class="lineno"> 1009</span> }</div>
<div class="line"><a name="l01010"></a><span class="lineno"> 1010</span> </div>
<div class="line"><a name="l01011"></a><span class="lineno"> 1011</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a></div>
<div class="line"><a name="l01012"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#aaf56546de0c7c7bbe0b573477d412bf7"> 1012</a></span> <a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#aaf56546de0c7c7bbe0b573477d412bf7">SearchEngineTheoremProducer::confIterThenElse</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& iter_th,</div>
<div class="line"><a name="l01013"></a><span class="lineno"> 1013</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& ite_th,</div>
<div class="line"><a name="l01014"></a><span class="lineno"> 1014</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& then_th,</div>
<div class="line"><a name="l01015"></a><span class="lineno"> 1015</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& else_th)</div>
<div class="line"><a name="l01016"></a><span class="lineno"> 1016</span> {</div>
<div class="line"><a name="l01017"></a><span class="lineno"> 1017</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& iter_e(iter_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l01018"></a><span class="lineno"> 1018</span> </div>
<div class="line"><a name="l01019"></a><span class="lineno"> 1019</span>  <span class="keywordtype">bool</span> v0 = ite_th.<a class="code" href="classCVC3_1_1Theorem.html#afd8511ead1dfc424a75089f4b4afb95d" title="Check if the flag attribute is set.">proves</a>(iter_e[0]);</div>
<div class="line"><a name="l01020"></a><span class="lineno"> 1020</span>  <span class="keywordtype">bool</span> v1 = then_th.<a class="code" href="classCVC3_1_1Theorem.html#afd8511ead1dfc424a75089f4b4afb95d" title="Check if the flag attribute is set.">proves</a>(iter_e[2]);</div>
<div class="line"><a name="l01021"></a><span class="lineno"> 1021</span>  <span class="keywordtype">bool</span> v2 = else_th.<a class="code" href="classCVC3_1_1Theorem.html#afd8511ead1dfc424a75089f4b4afb95d" title="Check if the flag attribute is set.">proves</a>(iter_e[3]);</div>
<div class="line"><a name="l01022"></a><span class="lineno"> 1022</span> </div>
<div class="line"><a name="l01023"></a><span class="lineno"> 1023</span>  <span class="keywordflow">if</span> (<a class="code" href="theorem__producer_8h.html#a74a97b789e1a9e6c016291960c657445">CHECK_PROOFS</a>) {</div>
<div class="line"><a name="l01024"></a><span class="lineno"> 1024</span>  <a class="code" href="theorem__producer_8h.html#a03dbe872f723d32fd975528f811d646e">CHECK_SOUND</a>(iter_e.getKind() == <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba096c0758089b7d7d0a596b1b4c89a084">ITE_R</a> &&</div>
<div class="line"><a name="l01025"></a><span class="lineno"> 1025</span>  (v0 || ite_th.<a class="code" href="classCVC3_1_1Theorem.html#a657f0037f907743988443bffdf2e505c" title="Check if the flag attribute is set.">refutes</a>(iter_e[0])) &&</div>
<div class="line"><a name="l01026"></a><span class="lineno"> 1026</span>  (v1 || then_th.<a class="code" href="classCVC3_1_1Theorem.html#a657f0037f907743988443bffdf2e505c" title="Check if the flag attribute is set.">refutes</a>(iter_e[2])) &&</div>
<div class="line"><a name="l01027"></a><span class="lineno"> 1027</span>  (v2 || else_th.<a class="code" href="classCVC3_1_1Theorem.html#a657f0037f907743988443bffdf2e505c" title="Check if the flag attribute is set.">refutes</a>(iter_e[3])) &&</div>
<div class="line"><a name="l01028"></a><span class="lineno"> 1028</span>  ((v0 && !v1 && !v2) || (!v0 && v1 && v2)),</div>
<div class="line"><a name="l01029"></a><span class="lineno"> 1029</span>  <span class="stringliteral">"SearchEngineTheoremProducer::confIterThenElse"</span>);</div>
<div class="line"><a name="l01030"></a><span class="lineno"> 1030</span>  }</div>
<div class="line"><a name="l01031"></a><span class="lineno"> 1031</span> </div>
<div class="line"><a name="l01032"></a><span class="lineno"> 1032</span>  <a class="code" href="classCVC3_1_1Assumptions.html">Assumptions</a> a;</div>
<div class="line"><a name="l01033"></a><span class="lineno"> 1033</span>  <a class="code" href="classCVC3_1_1Proof.html">Proof</a> pf;</div>
<div class="line"><a name="l01034"></a><span class="lineno"> 1034</span>  <span class="keywordflow">if</span> (<a class="code" href="classCVC3_1_1TheoremProducer.html#a32afe6d99e661b5c70082036e40d48bc" title="Testing whether to generate assumptions.">withAssumptions</a>()) {</div>
<div class="line"><a name="l01035"></a><span class="lineno"> 1035</span>  a.<a class="code" href="classCVC3_1_1Assumptions.html#a72ece655220d8976c4090006eb7b0b40">add</a>(iter_th);</div>
<div class="line"><a name="l01036"></a><span class="lineno"> 1036</span>  a.<a class="code" href="classCVC3_1_1Assumptions.html#a72ece655220d8976c4090006eb7b0b40">add</a>(ite_th);</div>
<div class="line"><a name="l01037"></a><span class="lineno"> 1037</span>  a.<a class="code" href="classCVC3_1_1Assumptions.html#a72ece655220d8976c4090006eb7b0b40">add</a>(then_th);</div>
<div class="line"><a name="l01038"></a><span class="lineno"> 1038</span>  a.<a class="code" href="classCVC3_1_1Assumptions.html#a72ece655220d8976c4090006eb7b0b40">add</a>(else_th);</div>
<div class="line"><a name="l01039"></a><span class="lineno"> 1039</span>  }</div>
<div class="line"><a name="l01040"></a><span class="lineno"> 1040</span> </div>
<div class="line"><a name="l01041"></a><span class="lineno"> 1041</span>  <span class="keywordflow">if</span> (<a class="code" href="classCVC3_1_1TheoremProducer.html#aceb1eeebc6b491b3241f463488471f3a" title="Testing whether to generate proofs.">withProof</a>()) {</div>
<div class="line"><a name="l01042"></a><span class="lineno"> 1042</span>  vector<Proof> pfs;</div>
<div class="line"><a name="l01043"></a><span class="lineno"> 1043</span>  vector<Expr> exprs;</div>
<div class="line"><a name="l01044"></a><span class="lineno"> 1044</span>  exprs.push_back(iter_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l01045"></a><span class="lineno"> 1045</span>  exprs.push_back(ite_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l01046"></a><span class="lineno"> 1046</span>  exprs.push_back(then_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l01047"></a><span class="lineno"> 1047</span>  exprs.push_back(else_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l01048"></a><span class="lineno"> 1048</span>  pfs.push_back(iter_th.<a class="code" href="classCVC3_1_1Theorem.html#a2d8352c07a756c3837683a27a1e659ef">getProof</a>());</div>
<div class="line"><a name="l01049"></a><span class="lineno"> 1049</span>  pfs.push_back(ite_th.<a class="code" href="classCVC3_1_1Theorem.html#a2d8352c07a756c3837683a27a1e659ef">getProof</a>());</div>
<div class="line"><a name="l01050"></a><span class="lineno"> 1050</span>  pfs.push_back(then_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l01051"></a><span class="lineno"> 1051</span>  pfs.push_back(else_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l01052"></a><span class="lineno"> 1052</span>  pf = <a class="code" href="classCVC3_1_1TheoremProducer.html#a9a8e67b1fb33d5dfe428a659d8c66651">newPf</a>(<span class="stringliteral">"conf_iter_then_else"</span>, exprs, pfs);</div>
<div class="line"><a name="l01053"></a><span class="lineno"> 1053</span>  }</div>
<div class="line"><a name="l01054"></a><span class="lineno"> 1054</span> </div>
<div class="line"><a name="l01055"></a><span class="lineno"> 1055</span>  <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1TheoremProducer.html#ab3afa2471d244b129865548afe06ca89" title="Create a new theorem. See also newRWTheorem() and newReflTheorem()">newTheorem</a>(<a class="code" href="classCVC3_1_1TheoremProducer.html#a1b706238281ad141a57363a6890f14a5">d_em</a>-><a class="code" href="group__EM__Priv.html#gaae9db4c93c67cbf8bbf5d1e60e94f1ae" title="FALSE Expr.">falseExpr</a>(), a, pf);</div>
<div class="line"><a name="l01056"></a><span class="lineno"> 1056</span> }</div>
<div class="line"><a name="l01057"></a><span class="lineno"> 1057</span> </div>
<div class="line"><a name="l01058"></a><span class="lineno"> 1058</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a></div>
<div class="line"><a name="l01059"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#aad519346f53864cc21109200379a3698"> 1059</a></span> <a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#aad519346f53864cc21109200379a3698">SearchEngineTheoremProducer::confIterIfThen</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& iter_th,</div>
<div class="line"><a name="l01060"></a><span class="lineno"> 1060</span>  <span class="keywordtype">bool</span> <a class="code" href="namespaceMiniSat.html#ad93cb56673487974071ed3b75bf4ea83">left</a>,</div>
<div class="line"><a name="l01061"></a><span class="lineno"> 1061</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& ite_th,</div>
<div class="line"><a name="l01062"></a><span class="lineno"> 1062</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& if_th,</div>
<div class="line"><a name="l01063"></a><span class="lineno"> 1063</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& then_th)</div>
<div class="line"><a name="l01064"></a><span class="lineno"> 1064</span> {</div>
<div class="line"><a name="l01065"></a><span class="lineno"> 1065</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& iter_e(iter_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l01066"></a><span class="lineno"> 1066</span> </div>
<div class="line"><a name="l01067"></a><span class="lineno"> 1067</span>  <span class="keywordtype">bool</span> v0 = ite_th.<a class="code" href="classCVC3_1_1Theorem.html#afd8511ead1dfc424a75089f4b4afb95d" title="Check if the flag attribute is set.">proves</a>(iter_e[0]);</div>
<div class="line"><a name="l01068"></a><span class="lineno"> 1068</span>  <span class="keywordtype">bool</span> v1 = if_th.<a class="code" href="classCVC3_1_1Theorem.html#afd8511ead1dfc424a75089f4b4afb95d" title="Check if the flag attribute is set.">proves</a>(iter_e[1]);</div>
<div class="line"><a name="l01069"></a><span class="lineno"> 1069</span>  <span class="keywordtype">bool</span> v2 = then_th.<a class="code" href="classCVC3_1_1Theorem.html#afd8511ead1dfc424a75089f4b4afb95d" title="Check if the flag attribute is set.">proves</a>(iter_e[left ? 2 : 3]);</div>
<div class="line"><a name="l01070"></a><span class="lineno"> 1070</span> </div>
<div class="line"><a name="l01071"></a><span class="lineno"> 1071</span>  <span class="keywordflow">if</span> (<a class="code" href="theorem__producer_8h.html#a74a97b789e1a9e6c016291960c657445">CHECK_PROOFS</a>) {</div>
<div class="line"><a name="l01072"></a><span class="lineno"> 1072</span>  <a class="code" href="theorem__producer_8h.html#a03dbe872f723d32fd975528f811d646e">CHECK_SOUND</a>(iter_e.getKind() == <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba096c0758089b7d7d0a596b1b4c89a084">ITE_R</a> &&</div>
<div class="line"><a name="l01073"></a><span class="lineno"> 1073</span>  (v0 || ite_th.<a class="code" href="classCVC3_1_1Theorem.html#a657f0037f907743988443bffdf2e505c" title="Check if the flag attribute is set.">refutes</a>(iter_e[0])) &&</div>
<div class="line"><a name="l01074"></a><span class="lineno"> 1074</span>  (v1 || if_th.<a class="code" href="classCVC3_1_1Theorem.html#a657f0037f907743988443bffdf2e505c" title="Check if the flag attribute is set.">refutes</a>(iter_e[1])) &&</div>
<div class="line"><a name="l01075"></a><span class="lineno"> 1075</span>  (v2 || then_th.<a class="code" href="classCVC3_1_1Theorem.html#a657f0037f907743988443bffdf2e505c" title="Check if the flag attribute is set.">refutes</a>(iter_e[left ? 2 : 3])) &&</div>
<div class="line"><a name="l01076"></a><span class="lineno"> 1076</span>  v1 == left && v0 != v2,</div>
<div class="line"><a name="l01077"></a><span class="lineno"> 1077</span>  <span class="stringliteral">"SearchEngineTheoremProducer::confIterThenElse"</span>);</div>
<div class="line"><a name="l01078"></a><span class="lineno"> 1078</span>  }</div>
<div class="line"><a name="l01079"></a><span class="lineno"> 1079</span> </div>
<div class="line"><a name="l01080"></a><span class="lineno"> 1080</span>  <a class="code" href="classCVC3_1_1Assumptions.html">Assumptions</a> a;</div>
<div class="line"><a name="l01081"></a><span class="lineno"> 1081</span>  <a class="code" href="classCVC3_1_1Proof.html">Proof</a> pf;</div>
<div class="line"><a name="l01082"></a><span class="lineno"> 1082</span>  <span class="keywordflow">if</span> (<a class="code" href="classCVC3_1_1TheoremProducer.html#a32afe6d99e661b5c70082036e40d48bc" title="Testing whether to generate assumptions.">withAssumptions</a>()) {</div>
<div class="line"><a name="l01083"></a><span class="lineno"> 1083</span>  a.<a class="code" href="classCVC3_1_1Assumptions.html#a72ece655220d8976c4090006eb7b0b40">add</a>(iter_th);</div>
<div class="line"><a name="l01084"></a><span class="lineno"> 1084</span>  a.<a class="code" href="classCVC3_1_1Assumptions.html#a72ece655220d8976c4090006eb7b0b40">add</a>(ite_th);</div>
<div class="line"><a name="l01085"></a><span class="lineno"> 1085</span>  a.<a class="code" href="classCVC3_1_1Assumptions.html#a72ece655220d8976c4090006eb7b0b40">add</a>(if_th);</div>
<div class="line"><a name="l01086"></a><span class="lineno"> 1086</span>  a.<a class="code" href="classCVC3_1_1Assumptions.html#a72ece655220d8976c4090006eb7b0b40">add</a>(then_th);</div>
<div class="line"><a name="l01087"></a><span class="lineno"> 1087</span>  }</div>
<div class="line"><a name="l01088"></a><span class="lineno"> 1088</span> </div>
<div class="line"><a name="l01089"></a><span class="lineno"> 1089</span>  <span class="keywordflow">if</span> (<a class="code" href="classCVC3_1_1TheoremProducer.html#aceb1eeebc6b491b3241f463488471f3a" title="Testing whether to generate proofs.">withProof</a>()) {</div>
<div class="line"><a name="l01090"></a><span class="lineno"> 1090</span>  vector<Proof> pfs;</div>
<div class="line"><a name="l01091"></a><span class="lineno"> 1091</span>  vector<Expr> exprs;</div>
<div class="line"><a name="l01092"></a><span class="lineno"> 1092</span>  exprs.push_back(iter_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l01093"></a><span class="lineno"> 1093</span>  exprs.push_back(ite_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l01094"></a><span class="lineno"> 1094</span>  exprs.push_back(if_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l01095"></a><span class="lineno"> 1095</span>  exprs.push_back(then_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l01096"></a><span class="lineno"> 1096</span>  pfs.push_back(iter_th.<a class="code" href="classCVC3_1_1Theorem.html#a2d8352c07a756c3837683a27a1e659ef">getProof</a>());</div>
<div class="line"><a name="l01097"></a><span class="lineno"> 1097</span>  pfs.push_back(ite_th.<a class="code" href="classCVC3_1_1Theorem.html#a2d8352c07a756c3837683a27a1e659ef">getProof</a>());</div>
<div class="line"><a name="l01098"></a><span class="lineno"> 1098</span>  pfs.push_back(if_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l01099"></a><span class="lineno"> 1099</span>  pfs.push_back(then_th.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l01100"></a><span class="lineno"> 1100</span>  pf = <a class="code" href="classCVC3_1_1TheoremProducer.html#a9a8e67b1fb33d5dfe428a659d8c66651">newPf</a>(<span class="stringliteral">"conf_iter_then_else"</span>, exprs, pfs);</div>
<div class="line"><a name="l01101"></a><span class="lineno"> 1101</span>  }</div>
<div class="line"><a name="l01102"></a><span class="lineno"> 1102</span> </div>
<div class="line"><a name="l01103"></a><span class="lineno"> 1103</span>  <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1TheoremProducer.html#ab3afa2471d244b129865548afe06ca89" title="Create a new theorem. See also newRWTheorem() and newReflTheorem()">newTheorem</a>(<a class="code" href="classCVC3_1_1TheoremProducer.html#a1b706238281ad141a57363a6890f14a5">d_em</a>-><a class="code" href="group__EM__Priv.html#gaae9db4c93c67cbf8bbf5d1e60e94f1ae" title="FALSE Expr.">falseExpr</a>(), a, pf);</div>
<div class="line"><a name="l01104"></a><span class="lineno"> 1104</span> }</div>
<div class="line"><a name="l01105"></a><span class="lineno"> 1105</span> </div>
<div class="line"><a name="l01106"></a><span class="lineno"> 1106</span> <span class="comment">// "Conflict" rule (all literals in a clause become FALSE)</span></div>
<div class="line"><a name="l01107"></a><span class="lineno"> 1107</span> <span class="comment">// { G_j |- !l_j, j in [1..n] } , G |- (OR l_1 ... l_n) ==> FALSE</span></div>
<div class="line"><a name="l01108"></a><span class="lineno"> 1108</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a></div>
<div class="line"><a name="l01109"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#a55bf4e865a7a76e82c23d5fba566b853"> 1109</a></span> <a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#a55bf4e865a7a76e82c23d5fba566b853" title=""Conflict" rule (all literals in a clause become FALSE) ">SearchEngineTheoremProducer::conflictRule</a>(<span class="keyword">const</span> std::vector<Theorem>& thms,</div>
<div class="line"><a name="l01110"></a><span class="lineno"> 1110</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& clause) {</div>
<div class="line"><a name="l01111"></a><span class="lineno"> 1111</span>  <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> e(clause.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l01112"></a><span class="lineno"> 1112</span>  <span class="keywordflow">if</span>(<a class="code" href="theorem__producer_8h.html#a74a97b789e1a9e6c016291960c657445">CHECK_PROOFS</a>) {</div>
<div class="line"><a name="l01113"></a><span class="lineno"> 1113</span>  <span class="comment">// Soundness check: first, check the form of the 'clause' theorem</span></div>
<div class="line"><a name="l01114"></a><span class="lineno"> 1114</span>  <a class="code" href="theorem__producer_8h.html#a03dbe872f723d32fd975528f811d646e">CHECK_SOUND</a>(e.isOr(),</div>
<div class="line"><a name="l01115"></a><span class="lineno"> 1115</span>  <span class="stringliteral">"SearchEngineTheoremProducer::unitProp: "</span></div>
<div class="line"><a name="l01116"></a><span class="lineno"> 1116</span>  <span class="stringliteral">"bad theorem in clause = "</span>+clause.<a class="code" href="classCVC3_1_1Theorem.html#ac4b1c9570ffb9cc901627ef2abb9ff77">toString</a>());</div>
<div class="line"><a name="l01117"></a><span class="lineno"> 1117</span>  <span class="comment">// Now, check correspondence of thms to the disjunction</span></div>
<div class="line"><a name="l01118"></a><span class="lineno"> 1118</span>  <a class="code" href="theorem__producer_8h.html#a03dbe872f723d32fd975528f811d646e">CHECK_SOUND</a>(((<span class="keywordtype">int</span>)thms.size()) == e.arity(),</div>
<div class="line"><a name="l01119"></a><span class="lineno"> 1119</span>  <span class="stringliteral">"SearchEngineTheoremProducer::conflictRule: "</span></div>
<div class="line"><a name="l01120"></a><span class="lineno"> 1120</span>  <span class="stringliteral">"wrong number of theorems"</span></div>
<div class="line"><a name="l01121"></a><span class="lineno"> 1121</span>  <span class="stringliteral">"\n thms.size = "</span> + <a class="code" href="namespaceCVC3.html#af69618103f1f0f2eadada0796a2a940c">int2string</a>(thms.size())</div>
<div class="line"><a name="l01122"></a><span class="lineno"> 1122</span>  +<span class="stringliteral">"\n clause.arity = "</span> + <a class="code" href="namespaceCVC3.html#af69618103f1f0f2eadada0796a2a940c">int2string</a>(e.arity()));</div>
<div class="line"><a name="l01123"></a><span class="lineno"> 1123</span> </div>
<div class="line"><a name="l01124"></a><span class="lineno"> 1124</span>  <span class="keywordflow">for</span>(<span class="keywordtype">unsigned</span> j=0; j<thms.size(); j++) {</div>
<div class="line"><a name="l01125"></a><span class="lineno"> 1125</span>  <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> ej(e[j]), ek(thms[j].getExpr());</div>
<div class="line"><a name="l01126"></a><span class="lineno"> 1126</span>  <a class="code" href="theorem__producer_8h.html#a03dbe872f723d32fd975528f811d646e">CHECK_SOUND</a>((ej.isNot() && ej[0] == ek) || (ek.<a class="code" href="group__ExprPkg.html#ga1a898858ccadce833df5a294c7740f11">isNot</a>() && ej == ek[0]),</div>
<div class="line"><a name="l01127"></a><span class="lineno"> 1127</span>  <span class="stringliteral">"SearchEngineTheoremProducer::conflictRule: "</span></div>
<div class="line"><a name="l01128"></a><span class="lineno"> 1128</span>  <span class="stringliteral">"wrong theorem["</span>+<a class="code" href="namespaceCVC3.html#af69618103f1f0f2eadada0796a2a940c">int2string</a>(j)+<span class="stringliteral">"]"</span></div>
<div class="line"><a name="l01129"></a><span class="lineno"> 1129</span>  <span class="stringliteral">"\n thm = "</span> + thms[j].toString() +</div>
<div class="line"><a name="l01130"></a><span class="lineno"> 1130</span>  <span class="stringliteral">"\n literal = "</span> + e[j].toString() +</div>
<div class="line"><a name="l01131"></a><span class="lineno"> 1131</span>  <span class="stringliteral">"\n clause = "</span> + clause.<a class="code" href="classCVC3_1_1Theorem.html#ac4b1c9570ffb9cc901627ef2abb9ff77">toString</a>());</div>
<div class="line"><a name="l01132"></a><span class="lineno"> 1132</span>  }</div>
<div class="line"><a name="l01133"></a><span class="lineno"> 1133</span>  }</div>
<div class="line"><a name="l01134"></a><span class="lineno"> 1134</span> </div>
<div class="line"><a name="l01135"></a><span class="lineno"> 1135</span>  <a class="code" href="classCVC3_1_1Assumptions.html">Assumptions</a> a(thms);</div>
<div class="line"><a name="l01136"></a><span class="lineno"> 1136</span>  a.<a class="code" href="classCVC3_1_1Assumptions.html#a72ece655220d8976c4090006eb7b0b40">add</a>(clause);</div>
<div class="line"><a name="l01137"></a><span class="lineno"> 1137</span>  <a class="code" href="classCVC3_1_1Proof.html">Proof</a> pf;</div>
<div class="line"><a name="l01138"></a><span class="lineno"> 1138</span>  <span class="keywordflow">if</span>(<a class="code" href="classCVC3_1_1TheoremProducer.html#aceb1eeebc6b491b3241f463488471f3a" title="Testing whether to generate proofs.">withProof</a>()) {</div>
<div class="line"><a name="l01139"></a><span class="lineno"> 1139</span>  vector<Proof> pfs;</div>
<div class="line"><a name="l01140"></a><span class="lineno"> 1140</span>  vector<Expr> exprs;</div>
<div class="line"><a name="l01141"></a><span class="lineno"> 1141</span>  exprs.reserve(thms.size() + 1);</div>
<div class="line"><a name="l01142"></a><span class="lineno"> 1142</span>  pfs.reserve(thms.size()+1);</div>
<div class="line"><a name="l01143"></a><span class="lineno"> 1143</span>  <span class="keyword">const</span> vector<Theorem>::const_iterator iend = thms.end();</div>
<div class="line"><a name="l01144"></a><span class="lineno"> 1144</span>  <span class="keywordflow">for</span>(vector<Theorem>::const_iterator i=thms.begin(); i!=iend; ++i) {</div>
<div class="line"><a name="l01145"></a><span class="lineno"> 1145</span>  exprs.push_back(i->getExpr());</div>
<div class="line"><a name="l01146"></a><span class="lineno"> 1146</span>  pfs.push_back(i->getProof());</div>
<div class="line"><a name="l01147"></a><span class="lineno"> 1147</span>  }</div>
<div class="line"><a name="l01148"></a><span class="lineno"> 1148</span>  exprs.push_back(clause.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l01149"></a><span class="lineno"> 1149</span>  pfs.push_back(clause.<a class="code" href="classCVC3_1_1Theorem.html#a2d8352c07a756c3837683a27a1e659ef">getProof</a>());</div>
<div class="line"><a name="l01150"></a><span class="lineno"> 1150</span>  pf = <a class="code" href="classCVC3_1_1TheoremProducer.html#a9a8e67b1fb33d5dfe428a659d8c66651">newPf</a>(<span class="stringliteral">"conflict"</span>, exprs, pfs);</div>
<div class="line"><a name="l01151"></a><span class="lineno"> 1151</span>  }</div>
<div class="line"><a name="l01152"></a><span class="lineno"> 1152</span>  <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1TheoremProducer.html#ab3afa2471d244b129865548afe06ca89" title="Create a new theorem. See also newRWTheorem() and newReflTheorem()">newTheorem</a>(<a class="code" href="classCVC3_1_1TheoremProducer.html#a1b706238281ad141a57363a6890f14a5">d_em</a>-><a class="code" href="group__EM__Priv.html#gaae9db4c93c67cbf8bbf5d1e60e94f1ae" title="FALSE Expr.">falseExpr</a>(), a, pf);</div>
<div class="line"><a name="l01153"></a><span class="lineno"> 1153</span> }</div>
<div class="line"><a name="l01154"></a><span class="lineno"> 1154</span> </div>
<div class="line"><a name="l01155"></a><span class="lineno"> 1155</span> <span class="comment"></span></div>
<div class="line"><a name="l01156"></a><span class="lineno"> 1156</span> <span class="comment">///////////////////////////////////////////////////////////////////////</span></div>
<div class="line"><a name="l01157"></a><span class="lineno"> 1157</span> <span class="comment">//// Conjunctive Normal Form (CNF) proof rules</span></div>
<div class="line"><a name="l01158"></a><span class="lineno"> 1158</span> <span class="comment">///////////////////////////////////////////////////////////////////////</span></div>
<div class="line"><a name="l01159"></a><span class="lineno"> 1159</span> <span class="comment"></span><a class="code" href="classCVC3_1_1Theorem.html">Theorem</a></div>
<div class="line"><a name="l01160"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#af38d03174800bca0baba91f4e8288b0f"> 1160</a></span> <a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#af38d03174800bca0baba91f4e8288b0f" title="AND(x1,...,xn) <=> v |- CNF[AND(x1,...,xn) <=> v].">SearchEngineTheoremProducer::andCNFRule</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& thm) {</div>
<div class="line"><a name="l01161"></a><span class="lineno"> 1161</span>  <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#afd9835d232286f451200d637ba995e75">opCNFRule</a>(thm, <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba865555c9f2e0458a7078486aa1b3254f">AND</a>, <span class="stringliteral">"and_cnf_rule"</span>);</div>
<div class="line"><a name="l01162"></a><span class="lineno"> 1162</span> }</div>
<div class="line"><a name="l01163"></a><span class="lineno"> 1163</span> </div>
<div class="line"><a name="l01164"></a><span class="lineno"> 1164</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a></div>
<div class="line"><a name="l01165"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#a3cf33a58eee64dc744015e8657adc40a"> 1165</a></span> <a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#a3cf33a58eee64dc744015e8657adc40a" title="OR(x1,...,xn) <=> v |- CNF[OR(x1,...,xn) <=> v].">SearchEngineTheoremProducer::orCNFRule</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& thm) {</div>
<div class="line"><a name="l01166"></a><span class="lineno"> 1166</span>  <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#afd9835d232286f451200d637ba995e75">opCNFRule</a>(thm, <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba96727447c0ad447987df1c6415aef074">OR</a>, <span class="stringliteral">"or_cnf_rule"</span>);</div>
<div class="line"><a name="l01167"></a><span class="lineno"> 1167</span> }</div>
<div class="line"><a name="l01168"></a><span class="lineno"> 1168</span> </div>
<div class="line"><a name="l01169"></a><span class="lineno"> 1169</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a></div>
<div class="line"><a name="l01170"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#a15cbb86a5a77422c7d8c59384488f9e1"> 1170</a></span> <a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#a15cbb86a5a77422c7d8c59384488f9e1" title="(x1 => x2) <=> v |- CNF[(x1 => x2) <=> v]">SearchEngineTheoremProducer::impCNFRule</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& thm) {</div>
<div class="line"><a name="l01171"></a><span class="lineno"> 1171</span>  <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#afd9835d232286f451200d637ba995e75">opCNFRule</a>(thm, <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba7338bb59b9aa936104a6d2f631d4d8db">IMPLIES</a>, <span class="stringliteral">"implies_cnf_rule"</span>);</div>
<div class="line"><a name="l01172"></a><span class="lineno"> 1172</span> }</div>
<div class="line"><a name="l01173"></a><span class="lineno"> 1173</span> </div>
<div class="line"><a name="l01174"></a><span class="lineno"> 1174</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a></div>
<div class="line"><a name="l01175"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#a47468ab81771bdb7af900bd2f907f818"> 1175</a></span> <a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#a47468ab81771bdb7af900bd2f907f818" title="(x1 <=> x2) <=> v |- CNF[(x1 <=> x2) <=> v]">SearchEngineTheoremProducer::iffCNFRule</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& thm) {</div>
<div class="line"><a name="l01176"></a><span class="lineno"> 1176</span>  <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#afd9835d232286f451200d637ba995e75">opCNFRule</a>(thm, <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba527cb185631442655c4486d51522b5a7">IFF</a>, <span class="stringliteral">"iff_cnf_rule"</span>);</div>
<div class="line"><a name="l01177"></a><span class="lineno"> 1177</span> }</div>
<div class="line"><a name="l01178"></a><span class="lineno"> 1178</span> </div>
<div class="line"><a name="l01179"></a><span class="lineno"> 1179</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a></div>
<div class="line"><a name="l01180"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#a1c37ba3237f04f7536164166c7f0156e"> 1180</a></span> <a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#a1c37ba3237f04f7536164166c7f0156e" title="ITE(c, x1, x2) <=> v |- CNF[ITE(c, x1, x2) <=> v].">SearchEngineTheoremProducer::iteCNFRule</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& thm) {</div>
<div class="line"><a name="l01181"></a><span class="lineno"> 1181</span>  <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#afd9835d232286f451200d637ba995e75">opCNFRule</a>(thm, <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba3a4cfaf3eae8eac1dc2fd27d9f0994dc">ITE</a>, <span class="stringliteral">"ite_cnf_rule"</span>);</div>
<div class="line"><a name="l01182"></a><span class="lineno"> 1182</span> }</div>
<div class="line"><a name="l01183"></a><span class="lineno"> 1183</span> </div>
<div class="line"><a name="l01184"></a><span class="lineno"> 1184</span> </div>
<div class="line"><a name="l01185"></a><span class="lineno"> 1185</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a></div>
<div class="line"><a name="l01186"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#a9ec94eac3bdabe251a4147b2830a2f50"> 1186</a></span> <a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#a9ec94eac3bdabe251a4147b2830a2f50" title="ITE(c, f1, f2) |- (NOT c OR f1) AND (c OR f2)">SearchEngineTheoremProducer::iteToClauses</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& ite) {</div>
<div class="line"><a name="l01187"></a><span class="lineno"> 1187</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& iteExpr = ite.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>();</div>
<div class="line"><a name="l01188"></a><span class="lineno"> 1188</span> </div>
<div class="line"><a name="l01189"></a><span class="lineno"> 1189</span>  <span class="keywordflow">if</span>(<a class="code" href="theorem__producer_8h.html#a74a97b789e1a9e6c016291960c657445">CHECK_PROOFS</a>) {</div>
<div class="line"><a name="l01190"></a><span class="lineno"> 1190</span>  <a class="code" href="theorem__producer_8h.html#a03dbe872f723d32fd975528f811d646e">CHECK_SOUND</a>(iteExpr.<a class="code" href="group__ExprPkg.html#gaef13fa4752a1fb28e129a1efd0e26f01">isITE</a>() && iteExpr.<a class="code" href="group__ExprPkg.html#ga42929221eb172250697b72c28af6de07" title="Get the type. Recursively compute if necessary.">getType</a>().<a class="code" href="classCVC3_1_1Type.html#a38bba404056eadf3c283a67ab2347e02">isBool</a>(),</div>
<div class="line"><a name="l01191"></a><span class="lineno"> 1191</span>  <span class="stringliteral">"SearchEngineTheoremProducer::iteToClauses("</span>+iteExpr.<a class="code" href="group__ExprPkg.html#gaf3028bb1619f8cc69b66ec712e1adb54" title="Print the expression to a string.">toString</a>()</div>
<div class="line"><a name="l01192"></a><span class="lineno"> 1192</span>  +<span class="stringliteral">")\n Argument must be a Boolean ITE"</span>);</div>
<div class="line"><a name="l01193"></a><span class="lineno"> 1193</span>  }</div>
<div class="line"><a name="l01194"></a><span class="lineno"> 1194</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& cond = iteExpr[0];</div>
<div class="line"><a name="l01195"></a><span class="lineno"> 1195</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& t1 = iteExpr[1];</div>
<div class="line"><a name="l01196"></a><span class="lineno"> 1196</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& t2 = iteExpr[2];</div>
<div class="line"><a name="l01197"></a><span class="lineno"> 1197</span> </div>
<div class="line"><a name="l01198"></a><span class="lineno"> 1198</span>  <a class="code" href="classCVC3_1_1Proof.html">Proof</a> pf;</div>
<div class="line"><a name="l01199"></a><span class="lineno"> 1199</span>  <span class="keywordflow">if</span>(<a class="code" href="classCVC3_1_1TheoremProducer.html#aceb1eeebc6b491b3241f463488471f3a" title="Testing whether to generate proofs.">withProof</a>())</div>
<div class="line"><a name="l01200"></a><span class="lineno"> 1200</span>  pf = <a class="code" href="classCVC3_1_1TheoremProducer.html#a9a8e67b1fb33d5dfe428a659d8c66651">newPf</a>(<span class="stringliteral">"ite_to_clauses"</span>, iteExpr, ite.<a class="code" href="classCVC3_1_1Theorem.html#a2d8352c07a756c3837683a27a1e659ef">getProof</a>());</div>
<div class="line"><a name="l01201"></a><span class="lineno"> 1201</span>  <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1TheoremProducer.html#ab3afa2471d244b129865548afe06ca89" title="Create a new theorem. See also newRWTheorem() and newReflTheorem()">newTheorem</a>((cond.<a class="code" href="group__ExprPkg.html#gab1ce461dc931af73bf04e88c8d37dcbc">negate</a>() || t1) && (cond || t2), ite.<a class="code" href="classCVC3_1_1Theorem.html#a5e9ab00a613df15cc02f55edb55a67b3">getAssumptionsRef</a>(), pf);</div>
<div class="line"><a name="l01202"></a><span class="lineno"> 1202</span> }</div>
<div class="line"><a name="l01203"></a><span class="lineno"> 1203</span> </div>
<div class="line"><a name="l01204"></a><span class="lineno"> 1204</span> </div>
<div class="line"><a name="l01205"></a><span class="lineno"> 1205</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a></div>
<div class="line"><a name="l01206"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#ab608d81ddbbce71638fcce0d119c63d1"> 1206</a></span> <a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#ab608d81ddbbce71638fcce0d119c63d1" title="e1 <=> e2 |- (NOT e1 OR e2) AND (e1 OR NOT e2)">SearchEngineTheoremProducer::iffToClauses</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& iff) {</div>
<div class="line"><a name="l01207"></a><span class="lineno"> 1207</span>  <span class="keywordflow">if</span>(<a class="code" href="theorem__producer_8h.html#a74a97b789e1a9e6c016291960c657445">CHECK_PROOFS</a>) {</div>
<div class="line"><a name="l01208"></a><span class="lineno"> 1208</span>  <a class="code" href="theorem__producer_8h.html#a03dbe872f723d32fd975528f811d646e">CHECK_SOUND</a>(iff.<a class="code" href="classCVC3_1_1Theorem.html#a362c1d70e03803d804bbe300e5f6dc87">isRewrite</a>() && iff.<a class="code" href="classCVC3_1_1Theorem.html#a206c04f39fbbcacef2337148675553f4">getLHS</a>().<a class="code" href="group__ExprPkg.html#ga42929221eb172250697b72c28af6de07" title="Get the type. Recursively compute if necessary.">getType</a>().<a class="code" href="classCVC3_1_1Type.html#a38bba404056eadf3c283a67ab2347e02">isBool</a>(),</div>
<div class="line"><a name="l01209"></a><span class="lineno"> 1209</span>  <span class="stringliteral">"SearchEngineTheoremProducer::iffToClauses("</span>+iff.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>().<a class="code" href="group__ExprPkg.html#gaf3028bb1619f8cc69b66ec712e1adb54" title="Print the expression to a string.">toString</a>()</div>
<div class="line"><a name="l01210"></a><span class="lineno"> 1210</span>  +<span class="stringliteral">")\n Argument must be a Boolean IFF"</span>);</div>
<div class="line"><a name="l01211"></a><span class="lineno"> 1211</span>  }</div>
<div class="line"><a name="l01212"></a><span class="lineno"> 1212</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& t1 = iff.<a class="code" href="classCVC3_1_1Theorem.html#a206c04f39fbbcacef2337148675553f4">getLHS</a>();</div>
<div class="line"><a name="l01213"></a><span class="lineno"> 1213</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& t2 = iff.<a class="code" href="classCVC3_1_1Theorem.html#a97d957fcbf9094480851b1d2e5d3729f">getRHS</a>();</div>
<div class="line"><a name="l01214"></a><span class="lineno"> 1214</span> </div>
<div class="line"><a name="l01215"></a><span class="lineno"> 1215</span>  <a class="code" href="classCVC3_1_1Proof.html">Proof</a> pf;</div>
<div class="line"><a name="l01216"></a><span class="lineno"> 1216</span>  <span class="keywordflow">if</span>(<a class="code" href="classCVC3_1_1TheoremProducer.html#aceb1eeebc6b491b3241f463488471f3a" title="Testing whether to generate proofs.">withProof</a>())</div>
<div class="line"><a name="l01217"></a><span class="lineno"> 1217</span>  pf = <a class="code" href="classCVC3_1_1TheoremProducer.html#a9a8e67b1fb33d5dfe428a659d8c66651">newPf</a>(<span class="stringliteral">"iff_to_clauses"</span>, iff.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>(), iff.<a class="code" href="classCVC3_1_1Theorem.html#a2d8352c07a756c3837683a27a1e659ef">getProof</a>());</div>
<div class="line"><a name="l01218"></a><span class="lineno"> 1218</span>  <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1TheoremProducer.html#ab3afa2471d244b129865548afe06ca89" title="Create a new theorem. See also newRWTheorem() and newReflTheorem()">newTheorem</a>((t1.<a class="code" href="group__ExprPkg.html#gab1ce461dc931af73bf04e88c8d37dcbc">negate</a>() || t2) && (t1 || t2.<a class="code" href="group__ExprPkg.html#gab1ce461dc931af73bf04e88c8d37dcbc">negate</a>()), iff.<a class="code" href="classCVC3_1_1Theorem.html#a5e9ab00a613df15cc02f55edb55a67b3">getAssumptionsRef</a>(), pf);</div>
<div class="line"><a name="l01219"></a><span class="lineno"> 1219</span> }</div>
<div class="line"><a name="l01220"></a><span class="lineno"> 1220</span> </div>
<div class="line"><a name="l01221"></a><span class="lineno"> 1221</span> <span class="comment"></span></div>
<div class="line"><a name="l01222"></a><span class="lineno"> 1222</span> <span class="comment">/////////////////////////////////////////////////////////////////////////</span></div>
<div class="line"><a name="l01223"></a><span class="lineno"> 1223</span> <span class="comment">//// helper functions for CNF (Conjunctive Normal Form) conversion</span></div>
<div class="line"><a name="l01224"></a><span class="lineno"> 1224</span> <span class="comment">/////////////////////////////////////////////////////////////////////////</span></div>
<div class="line"><a name="l01225"></a><span class="lineno"> 1225</span> <span class="comment"></span><a class="code" href="classCVC3_1_1Theorem.html">Theorem</a></div>
<div class="line"><a name="l01226"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#afd9835d232286f451200d637ba995e75"> 1226</a></span> <a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#afd9835d232286f451200d637ba995e75">SearchEngineTheoremProducer::opCNFRule</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& thm, </div>
<div class="line"><a name="l01227"></a><span class="lineno"> 1227</span>  <span class="keywordtype">int</span> kind,</div>
<div class="line"><a name="l01228"></a><span class="lineno"> 1228</span>  <span class="keyword">const</span> <span class="keywordtype">string</span>& ruleName) {</div>
<div class="line"><a name="l01229"></a><span class="lineno"> 1229</span>  <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba7fa27e82c6c4f69434225ed81e5d151e">TRACE</a>(<span class="stringliteral">"mycnf"</span>, <span class="stringliteral">"opCNFRule["</span>+<a class="code" href="classCVC3_1_1TheoremProducer.html#a1b706238281ad141a57363a6890f14a5">d_em</a>-><a class="code" href="group__EM__Priv.html#gad129f2ecc362f60ca43e06ff46b8521b" title="Return the name associated with a kind. The kind must already be registered.">getKindName</a>(kind)+<span class="stringliteral">"]("</span>,</div>
<div class="line"><a name="l01230"></a><span class="lineno"> 1230</span>  thm.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>(), <span class="stringliteral">") {"</span>);</div>
<div class="line"><a name="l01231"></a><span class="lineno"> 1231</span>  <a class="code" href="classCVC3_1_1ExprMap.html">ExprMap<Expr></a> localCache;</div>
<div class="line"><a name="l01232"></a><span class="lineno"> 1232</span>  <span class="keywordflow">if</span>(<a class="code" href="theorem__producer_8h.html#a74a97b789e1a9e6c016291960c657445">CHECK_PROOFS</a>) {</div>
<div class="line"><a name="l01233"></a><span class="lineno"> 1233</span>  <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> phiIffVar = thm.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>();</div>
<div class="line"><a name="l01234"></a><span class="lineno"> 1234</span>  <a class="code" href="theorem__producer_8h.html#a03dbe872f723d32fd975528f811d646e">CHECK_SOUND</a>(phiIffVar.<a class="code" href="group__ExprPkg.html#gabe385fb97505cccb75702378511c5375">isIff</a>(),</div>
<div class="line"><a name="l01235"></a><span class="lineno"> 1235</span>  <span class="stringliteral">"SearchEngineTheoremProducer::opCNFRule("</span></div>
<div class="line"><a name="l01236"></a><span class="lineno"> 1236</span>  +<a class="code" href="classCVC3_1_1TheoremProducer.html#a1b706238281ad141a57363a6890f14a5">d_em</a>-><a class="code" href="group__EM__Priv.html#gad129f2ecc362f60ca43e06ff46b8521b" title="Return the name associated with a kind. The kind must already be registered.">getKindName</a>(kind)+<span class="stringliteral">"): "</span></div>
<div class="line"><a name="l01237"></a><span class="lineno"> 1237</span>  <span class="stringliteral">"input must be an IFF: thm = "</span> + phiIffVar.<a class="code" href="group__ExprPkg.html#gaf3028bb1619f8cc69b66ec712e1adb54" title="Print the expression to a string.">toString</a>());</div>
<div class="line"><a name="l01238"></a><span class="lineno"> 1238</span>  <a class="code" href="theorem__producer_8h.html#a03dbe872f723d32fd975528f811d646e">CHECK_SOUND</a>(phiIffVar[0].getKind() == kind,</div>
<div class="line"><a name="l01239"></a><span class="lineno"> 1239</span>  <span class="stringliteral">"SearchEngineTheoremProducer::opCNFRule("</span></div>
<div class="line"><a name="l01240"></a><span class="lineno"> 1240</span>  +<a class="code" href="classCVC3_1_1TheoremProducer.html#a1b706238281ad141a57363a6890f14a5">d_em</a>-><a class="code" href="group__EM__Priv.html#gad129f2ecc362f60ca43e06ff46b8521b" title="Return the name associated with a kind. The kind must already be registered.">getKindName</a>(kind)+<span class="stringliteral">"): "</span></div>
<div class="line"><a name="l01241"></a><span class="lineno"> 1241</span>  <span class="stringliteral">"input phi has wrong kind: thm = "</span> + phiIffVar.<a class="code" href="group__ExprPkg.html#gaf3028bb1619f8cc69b66ec712e1adb54" title="Print the expression to a string.">toString</a>());</div>
<div class="line"><a name="l01242"></a><span class="lineno"> 1242</span>  <a class="code" href="theorem__producer_8h.html#a03dbe872f723d32fd975528f811d646e">CHECK_SOUND</a>(phiIffVar[0] != phiIffVar[1],</div>
<div class="line"><a name="l01243"></a><span class="lineno"> 1243</span>  <span class="stringliteral">"SearchEngineTheoremProducer::opCNFRule("</span></div>
<div class="line"><a name="l01244"></a><span class="lineno"> 1244</span>  +<a class="code" href="classCVC3_1_1TheoremProducer.html#a1b706238281ad141a57363a6890f14a5">d_em</a>-><a class="code" href="group__EM__Priv.html#gad129f2ecc362f60ca43e06ff46b8521b" title="Return the name associated with a kind. The kind must already be registered.">getKindName</a>(kind)+<span class="stringliteral">"): "</span></div>
<div class="line"><a name="l01245"></a><span class="lineno"> 1245</span>  <span class="stringliteral">"wrong input thm = "</span> + phiIffVar.<a class="code" href="group__ExprPkg.html#gaf3028bb1619f8cc69b66ec712e1adb54" title="Print the expression to a string.">toString</a>());</div>
<div class="line"><a name="l01246"></a><span class="lineno"> 1246</span>  <span class="keywordflow">for</span>(<a class="code" href="classCVC3_1_1Expr_1_1iterator.html">Expr::iterator</a> it=phiIffVar[0].begin(), itend=phiIffVar[0].<a class="code" href="group__ExprPkg.html#gaf6048a5030c8fa2511bf5dfee868e653" title="End iterator.">end</a>();</div>
<div class="line"><a name="l01247"></a><span class="lineno"> 1247</span>  it!=itend;++it){</div>
<div class="line"><a name="l01248"></a><span class="lineno"> 1248</span>  <a class="code" href="theorem__producer_8h.html#a03dbe872f723d32fd975528f811d646e">CHECK_SOUND</a>(phiIffVar[1] != *it,</div>
<div class="line"><a name="l01249"></a><span class="lineno"> 1249</span>  <span class="stringliteral">"SearchEngineTheoremProducer::opCNFRule("</span></div>
<div class="line"><a name="l01250"></a><span class="lineno"> 1250</span>  +<a class="code" href="classCVC3_1_1TheoremProducer.html#a1b706238281ad141a57363a6890f14a5">d_em</a>-><a class="code" href="group__EM__Priv.html#gad129f2ecc362f60ca43e06ff46b8521b" title="Return the name associated with a kind. The kind must already be registered.">getKindName</a>(kind)+<span class="stringliteral">"): "</span></div>
<div class="line"><a name="l01251"></a><span class="lineno"> 1251</span>  <span class="stringliteral">"wrong input thm = "</span> + phiIffVar.<a class="code" href="group__ExprPkg.html#gaf3028bb1619f8cc69b66ec712e1adb54" title="Print the expression to a string.">toString</a>());</div>
<div class="line"><a name="l01252"></a><span class="lineno"> 1252</span>  }</div>
<div class="line"><a name="l01253"></a><span class="lineno"> 1253</span>  }</div>
<div class="line"><a name="l01254"></a><span class="lineno"> 1254</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& phi = thm.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>()[0];</div>
<div class="line"><a name="l01255"></a><span class="lineno"> 1255</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& phiVar = thm.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>()[1];</div>
<div class="line"><a name="l01256"></a><span class="lineno"> 1256</span> </div>
<div class="line"><a name="l01257"></a><span class="lineno"> 1257</span>  std::vector<Expr> boundVars;</div>
<div class="line"><a name="l01258"></a><span class="lineno"> 1258</span>  std::vector<Expr> boundVarsAndLiterals;</div>
<div class="line"><a name="l01259"></a><span class="lineno"> 1259</span>  std::vector<Expr> equivs;</div>
<div class="line"><a name="l01260"></a><span class="lineno"> 1260</span>  <span class="keywordflow">for</span>(<a class="code" href="classCVC3_1_1Expr_1_1iterator.html">Expr::iterator</a> i=phi.<a class="code" href="group__ExprPkg.html#gac890e13db184610276fc533fa4b4fe99" title="Begin iterator.">begin</a>(), iend=phi.<a class="code" href="group__ExprPkg.html#gaf6048a5030c8fa2511bf5dfee868e653" title="End iterator.">end</a>(); i != iend; i++) {</div>
<div class="line"><a name="l01261"></a><span class="lineno"> 1261</span>  <span class="comment">// First, strip the negation and check if the formula is atomic</span></div>
<div class="line"><a name="l01262"></a><span class="lineno"> 1262</span>  <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> tmp(*i);</div>
<div class="line"><a name="l01263"></a><span class="lineno"> 1263</span>  <span class="keywordflow">while</span>(tmp.<a class="code" href="group__ExprPkg.html#ga1a898858ccadce833df5a294c7740f11">isNot</a>())</div>
<div class="line"><a name="l01264"></a><span class="lineno"> 1264</span>  tmp = tmp[0];</div>
<div class="line"><a name="l01265"></a><span class="lineno"> 1265</span> </div>
<div class="line"><a name="l01266"></a><span class="lineno"> 1266</span>  <span class="keywordflow">if</span>(tmp.<a class="code" href="group__ExprPkg.html#gad8c63abfec9cc4a8319f3df1b47eee45" title="True iff expr is not a Bool connective.">isPropAtom</a>())</div>
<div class="line"><a name="l01267"></a><span class="lineno"> 1267</span>  boundVarsAndLiterals.push_back(*i); </div>
<div class="line"><a name="l01268"></a><span class="lineno"> 1268</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l01269"></a><span class="lineno"> 1269</span>  boundVarsAndLiterals.push_back(<a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#a4af17425aaf7d8a28aaf1d8a09241535" title="checks if phi has v in local cache of opCNFRule, if so reuse v.">findInLocalCache</a>(*i, localCache,</div>
<div class="line"><a name="l01270"></a><span class="lineno"> 1270</span>  boundVars));</div>
<div class="line"><a name="l01271"></a><span class="lineno"> 1271</span>  }</div>
<div class="line"><a name="l01272"></a><span class="lineno"> 1272</span>  </div>
<div class="line"><a name="l01273"></a><span class="lineno"> 1273</span>  <span class="keywordflow">for</span>(<a class="code" href="classCVC3_1_1ExprMap.html">ExprMap<Expr>::iterator</a> it=localCache.<a class="code" href="classCVC3_1_1ExprMap.html#a3db85401f8535daf4054fde531cd46b1">begin</a>(), itend=localCache.end(); </div>
<div class="line"><a name="l01274"></a><span class="lineno"> 1274</span>  it != itend; it++) {</div>
<div class="line"><a name="l01275"></a><span class="lineno"> 1275</span>  <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>((*it).second.isIff(),</div>
<div class="line"><a name="l01276"></a><span class="lineno"> 1276</span>  <span class="stringliteral">"SearchEngineTheoremProducer::opCNFRule: "</span> +</div>
<div class="line"><a name="l01277"></a><span class="lineno"> 1277</span>  (*it).second.toString());</div>
<div class="line"><a name="l01278"></a><span class="lineno"> 1278</span>  <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(!(*it).second[0].isPropLiteral() && </div>
<div class="line"><a name="l01279"></a><span class="lineno"> 1279</span>  (*it).second[1].isAbsLiteral(),</div>
<div class="line"><a name="l01280"></a><span class="lineno"> 1280</span>  <span class="stringliteral">"SearchEngineTheoremProducer::opCNFRule: "</span> +</div>
<div class="line"><a name="l01281"></a><span class="lineno"> 1281</span>  (*it).second.toString());</div>
<div class="line"><a name="l01282"></a><span class="lineno"> 1282</span>  equivs.push_back((*it).second);</div>
<div class="line"><a name="l01283"></a><span class="lineno"> 1283</span>  }</div>
<div class="line"><a name="l01284"></a><span class="lineno"> 1284</span>  </div>
<div class="line"><a name="l01285"></a><span class="lineno"> 1285</span>  <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(boundVarsAndLiterals.size() == (unsigned)phi.<a class="code" href="group__ExprPkg.html#ga28b901d05e52a5c646f83a95cc74f94b">arity</a>(),</div>
<div class="line"><a name="l01286"></a><span class="lineno"> 1286</span>  <span class="stringliteral">"SearchEngineTheoremProducer::opCNFRule: "</span></div>
<div class="line"><a name="l01287"></a><span class="lineno"> 1287</span>  <span class="stringliteral">"wrong size of boundvars: phi = "</span> + phi.<a class="code" href="group__ExprPkg.html#gaf3028bb1619f8cc69b66ec712e1adb54" title="Print the expression to a string.">toString</a>());</div>
<div class="line"><a name="l01288"></a><span class="lineno"> 1288</span>  </div>
<div class="line"><a name="l01289"></a><span class="lineno"> 1289</span>  <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(boundVars.size() == equivs.size(),</div>
<div class="line"><a name="l01290"></a><span class="lineno"> 1290</span>  <span class="stringliteral">"SearchEngineTheoremProducer::opCNFRule: "</span></div>
<div class="line"><a name="l01291"></a><span class="lineno"> 1291</span>  <span class="stringliteral">"wrong size of boundvars: phi = "</span> + phi.<a class="code" href="group__ExprPkg.html#gaf3028bb1619f8cc69b66ec712e1adb54" title="Print the expression to a string.">toString</a>());</div>
<div class="line"><a name="l01292"></a><span class="lineno"> 1292</span> </div>
<div class="line"><a name="l01293"></a><span class="lineno"> 1293</span>  <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> cnfInput = phi.<a class="code" href="group__ExprPkg.html#ga28b901d05e52a5c646f83a95cc74f94b">arity</a>() > 0 ? <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>(phi.<a class="code" href="group__ExprPkg.html#gace479f04faca399219496195152f7806" title="Get operator from expression.">getOp</a>(), boundVarsAndLiterals) : phi;</div>
<div class="line"><a name="l01294"></a><span class="lineno"> 1294</span>  <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> result = <a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#a8ad94f1a94fd5bf8fa10dbf26e04ee58" title="produces the CNF for the formula v <==> phi">convertToCNF</a>(phiVar, cnfInput);</div>
<div class="line"><a name="l01295"></a><span class="lineno"> 1295</span>  <span class="keywordflow">if</span>(boundVars.size() > 0)</div>
<div class="line"><a name="l01296"></a><span class="lineno"> 1296</span>  result =</div>
<div class="line"><a name="l01297"></a><span class="lineno"> 1297</span>  <a class="code" href="classCVC3_1_1TheoremProducer.html#a1b706238281ad141a57363a6890f14a5">d_em</a>-><a class="code" href="group__EM__Priv.html#ga0d2ff7603a249b30b2df4e549607ad6e">newClosureExpr</a>(<a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba3197625a1bb2264943f5a95f236d9973">EXISTS</a>, boundVars, result.andExpr(<a class="code" href="namespaceCVC3.html#ad4258158bba138eb54b9080af7f8223a">andExpr</a>(equivs)));</div>
<div class="line"><a name="l01298"></a><span class="lineno"> 1298</span>  </div>
<div class="line"><a name="l01299"></a><span class="lineno"> 1299</span>  <a class="code" href="classCVC3_1_1Proof.html">Proof</a> pf;</div>
<div class="line"><a name="l01300"></a><span class="lineno"> 1300</span>  <span class="keywordflow">if</span>(<a class="code" href="classCVC3_1_1TheoremProducer.html#aceb1eeebc6b491b3241f463488471f3a" title="Testing whether to generate proofs.">withProof</a>())</div>
<div class="line"><a name="l01301"></a><span class="lineno"> 1301</span>  pf = <a class="code" href="classCVC3_1_1TheoremProducer.html#a9a8e67b1fb33d5dfe428a659d8c66651">newPf</a>(ruleName, thm.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>(), thm.<a class="code" href="classCVC3_1_1Theorem.html#a2d8352c07a756c3837683a27a1e659ef">getProof</a>());</div>
<div class="line"><a name="l01302"></a><span class="lineno"> 1302</span>  <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a> res(<a class="code" href="classCVC3_1_1TheoremProducer.html#ab3afa2471d244b129865548afe06ca89" title="Create a new theorem. See also newRWTheorem() and newReflTheorem()">newTheorem</a>(result, thm.<a class="code" href="classCVC3_1_1Theorem.html#a5e9ab00a613df15cc02f55edb55a67b3">getAssumptionsRef</a>(), pf));</div>
<div class="line"><a name="l01303"></a><span class="lineno"> 1303</span>  <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba7fa27e82c6c4f69434225ed81e5d151e">TRACE</a>(<span class="stringliteral">"mycnf"</span>, <span class="stringliteral">"opCNFRule["</span>+<a class="code" href="classCVC3_1_1TheoremProducer.html#a1b706238281ad141a57363a6890f14a5">d_em</a>-><a class="code" href="group__EM__Priv.html#gad129f2ecc362f60ca43e06ff46b8521b" title="Return the name associated with a kind. The kind must already be registered.">getKindName</a>(kind)+<span class="stringliteral">"] => "</span>, res.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>(),</div>
<div class="line"><a name="l01304"></a><span class="lineno"> 1304</span>  <span class="stringliteral">" }"</span>);</div>
<div class="line"><a name="l01305"></a><span class="lineno"> 1305</span>  <span class="keywordflow">return</span> res;</div>
<div class="line"><a name="l01306"></a><span class="lineno"> 1306</span> }</div>
<div class="line"><a name="l01307"></a><span class="lineno"> 1307</span> <span class="comment"></span></div>
<div class="line"><a name="l01308"></a><span class="lineno"> 1308</span> <span class="comment">//! produces the CNF for the formula v <==> phi </span></div>
<div class="line"><a name="l01309"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#a8ad94f1a94fd5bf8fa10dbf26e04ee58"> 1309</a></span> <span class="comment"></span><a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> <a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#a8ad94f1a94fd5bf8fa10dbf26e04ee58" title="produces the CNF for the formula v <==> phi">SearchEngineTheoremProducer::convertToCNF</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& v, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> & phi) {</div>
<div class="line"><a name="l01310"></a><span class="lineno"> 1310</span>  <span class="comment">//we assume that v \iff phi. v is the newVar corresponding to phi</span></div>
<div class="line"><a name="l01311"></a><span class="lineno"> 1311</span>  </div>
<div class="line"><a name="l01312"></a><span class="lineno"> 1312</span>  <a class="code" href="classCVC3_1_1Expr_1_1iterator.html">Expr::iterator</a> i = phi.<a class="code" href="group__ExprPkg.html#gac890e13db184610276fc533fa4b4fe99" title="Begin iterator.">begin</a>(), iend = phi.<a class="code" href="group__ExprPkg.html#gaf6048a5030c8fa2511bf5dfee868e653" title="End iterator.">end</a>();</div>
<div class="line"><a name="l01313"></a><span class="lineno"> 1313</span>  std::vector<Expr> clauses;</div>
<div class="line"><a name="l01314"></a><span class="lineno"> 1314</span>  std::vector<Expr> lastClause;</div>
<div class="line"><a name="l01315"></a><span class="lineno"> 1315</span>  <span class="keywordflow">switch</span>(phi.<a class="code" href="group__ExprPkg.html#ga7814e4f55f65c7ca860c637413df5f4d">getKind</a>()) {</div>
<div class="line"><a name="l01316"></a><span class="lineno"> 1316</span>  <span class="keywordflow">case</span> <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba865555c9f2e0458a7078486aa1b3254f">AND</a>: {</div>
<div class="line"><a name="l01317"></a><span class="lineno"> 1317</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& negV = v.<a class="code" href="group__ExprPkg.html#gab1ce461dc931af73bf04e88c8d37dcbc">negate</a>();</div>
<div class="line"><a name="l01318"></a><span class="lineno"> 1318</span>  lastClause.push_back(v);</div>
<div class="line"><a name="l01319"></a><span class="lineno"> 1319</span>  <span class="keywordflow">for</span>(;i!=iend; ++i) {</div>
<div class="line"><a name="l01320"></a><span class="lineno"> 1320</span>  lastClause.push_back(i-><a class="code" href="group__ExprPkg.html#gab1ce461dc931af73bf04e88c8d37dcbc">negate</a>());</div>
<div class="line"><a name="l01321"></a><span class="lineno"> 1321</span>  }</div>
<div class="line"><a name="l01322"></a><span class="lineno"> 1322</span>  clauses.push_back(<a class="code" href="namespaceCVC3.html#a30f30b6e20c174f21ae63acea8618294">orExpr</a>(lastClause));</div>
<div class="line"><a name="l01323"></a><span class="lineno"> 1323</span>  }</div>
<div class="line"><a name="l01324"></a><span class="lineno"> 1324</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01325"></a><span class="lineno"> 1325</span>  <span class="keywordflow">case</span> <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba96727447c0ad447987df1c6415aef074">OR</a>:{</div>
<div class="line"><a name="l01326"></a><span class="lineno"> 1326</span>  lastClause.push_back(v.<a class="code" href="group__ExprPkg.html#gab1ce461dc931af73bf04e88c8d37dcbc">negate</a>());</div>
<div class="line"><a name="l01327"></a><span class="lineno"> 1327</span>  <span class="keywordflow">for</span>(;i!=iend; ++i) {</div>
<div class="line"><a name="l01328"></a><span class="lineno"> 1328</span>  clauses.push_back(v.<a class="code" href="group__ExprPkg.html#gaf310870d783fff343e77ba9c2277c626">orExpr</a>(i-><a class="code" href="group__ExprPkg.html#gab1ce461dc931af73bf04e88c8d37dcbc">negate</a>()));</div>
<div class="line"><a name="l01329"></a><span class="lineno"> 1329</span>  lastClause.push_back(*i);</div>
<div class="line"><a name="l01330"></a><span class="lineno"> 1330</span>  }</div>
<div class="line"><a name="l01331"></a><span class="lineno"> 1331</span>  clauses.push_back(<a class="code" href="namespaceCVC3.html#a30f30b6e20c174f21ae63acea8618294">orExpr</a>(lastClause));</div>
<div class="line"><a name="l01332"></a><span class="lineno"> 1332</span>  }</div>
<div class="line"><a name="l01333"></a><span class="lineno"> 1333</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01334"></a><span class="lineno"> 1334</span>  <span class="keywordflow">case</span> <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba527cb185631442655c4486d51522b5a7">IFF</a>: {</div>
<div class="line"><a name="l01335"></a><span class="lineno"> 1335</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& v1 = phi[0];</div>
<div class="line"><a name="l01336"></a><span class="lineno"> 1336</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& v2 = phi[1];</div>
<div class="line"><a name="l01337"></a><span class="lineno"> 1337</span>  <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> negV = v.<a class="code" href="group__ExprPkg.html#gab1ce461dc931af73bf04e88c8d37dcbc">negate</a>(); </div>
<div class="line"><a name="l01338"></a><span class="lineno"> 1338</span>  <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> negv1 = v1.<a class="code" href="group__ExprPkg.html#gab1ce461dc931af73bf04e88c8d37dcbc">negate</a>();</div>
<div class="line"><a name="l01339"></a><span class="lineno"> 1339</span>  <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> negv2 = v2.<a class="code" href="group__ExprPkg.html#gab1ce461dc931af73bf04e88c8d37dcbc">negate</a>();</div>
<div class="line"><a name="l01340"></a><span class="lineno"> 1340</span>  clauses.push_back(<a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>(<a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba96727447c0ad447987df1c6415aef074">OR</a>, negV, negv1, v2));</div>
<div class="line"><a name="l01341"></a><span class="lineno"> 1341</span>  clauses.push_back(<a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>(<a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba96727447c0ad447987df1c6415aef074">OR</a>, negV, v1, negv2));</div>
<div class="line"><a name="l01342"></a><span class="lineno"> 1342</span>  clauses.push_back(<a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>(<a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba96727447c0ad447987df1c6415aef074">OR</a>, v, v1, v2));</div>
<div class="line"><a name="l01343"></a><span class="lineno"> 1343</span>  clauses.push_back(<a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>(<a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba96727447c0ad447987df1c6415aef074">OR</a>, v, negv1, negv2));</div>
<div class="line"><a name="l01344"></a><span class="lineno"> 1344</span>  } <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01345"></a><span class="lineno"> 1345</span>  <span class="keywordflow">case</span> <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba7338bb59b9aa936104a6d2f631d4d8db">IMPLIES</a>:{</div>
<div class="line"><a name="l01346"></a><span class="lineno"> 1346</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& v1 = phi[0];</div>
<div class="line"><a name="l01347"></a><span class="lineno"> 1347</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& v2 = phi[1];</div>
<div class="line"><a name="l01348"></a><span class="lineno"> 1348</span>  <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> negV = v.<a class="code" href="group__ExprPkg.html#gab1ce461dc931af73bf04e88c8d37dcbc">negate</a>(); </div>
<div class="line"><a name="l01349"></a><span class="lineno"> 1349</span>  <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> negv1 = v1.<a class="code" href="group__ExprPkg.html#gab1ce461dc931af73bf04e88c8d37dcbc">negate</a>();</div>
<div class="line"><a name="l01350"></a><span class="lineno"> 1350</span>  <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> negv2 = v2.<a class="code" href="group__ExprPkg.html#gab1ce461dc931af73bf04e88c8d37dcbc">negate</a>();</div>
<div class="line"><a name="l01351"></a><span class="lineno"> 1351</span>  clauses.push_back(<a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>(<a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba96727447c0ad447987df1c6415aef074">OR</a>, negV, negv1, v2));</div>
<div class="line"><a name="l01352"></a><span class="lineno"> 1352</span>  clauses.push_back(v.<a class="code" href="group__ExprPkg.html#gaf310870d783fff343e77ba9c2277c626">orExpr</a>(v1));</div>
<div class="line"><a name="l01353"></a><span class="lineno"> 1353</span>  clauses.push_back(v.<a class="code" href="group__ExprPkg.html#gaf310870d783fff343e77ba9c2277c626">orExpr</a>(negv2));</div>
<div class="line"><a name="l01354"></a><span class="lineno"> 1354</span>  }</div>
<div class="line"><a name="l01355"></a><span class="lineno"> 1355</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01356"></a><span class="lineno"> 1356</span>  <span class="keywordflow">case</span> <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba3a4cfaf3eae8eac1dc2fd27d9f0994dc">ITE</a>: {</div>
<div class="line"><a name="l01357"></a><span class="lineno"> 1357</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& v1 = phi[0];</div>
<div class="line"><a name="l01358"></a><span class="lineno"> 1358</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& v2 = phi[1];</div>
<div class="line"><a name="l01359"></a><span class="lineno"> 1359</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& v3 = phi[2];</div>
<div class="line"><a name="l01360"></a><span class="lineno"> 1360</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& negV = v.<a class="code" href="group__ExprPkg.html#gab1ce461dc931af73bf04e88c8d37dcbc">negate</a>();</div>
<div class="line"><a name="l01361"></a><span class="lineno"> 1361</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& negv1 = v1.<a class="code" href="group__ExprPkg.html#gab1ce461dc931af73bf04e88c8d37dcbc">negate</a>();</div>
<div class="line"><a name="l01362"></a><span class="lineno"> 1362</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& negv2 = v2.<a class="code" href="group__ExprPkg.html#gab1ce461dc931af73bf04e88c8d37dcbc">negate</a>();</div>
<div class="line"><a name="l01363"></a><span class="lineno"> 1363</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& negv3 = v3.<a class="code" href="group__ExprPkg.html#gab1ce461dc931af73bf04e88c8d37dcbc">negate</a>();</div>
<div class="line"><a name="l01364"></a><span class="lineno"> 1364</span>  clauses.push_back(<a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>(<a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba96727447c0ad447987df1c6415aef074">OR</a>, negV, negv1, v2));</div>
<div class="line"><a name="l01365"></a><span class="lineno"> 1365</span>  clauses.push_back(<a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>(<a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba96727447c0ad447987df1c6415aef074">OR</a>, negV, v1, v3));</div>
<div class="line"><a name="l01366"></a><span class="lineno"> 1366</span>  clauses.push_back(<a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>(<a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba96727447c0ad447987df1c6415aef074">OR</a>, v, negv1, negv2));</div>
<div class="line"><a name="l01367"></a><span class="lineno"> 1367</span>  clauses.push_back(<a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>(<a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba96727447c0ad447987df1c6415aef074">OR</a>, v, v1, negv3));</div>
<div class="line"><a name="l01368"></a><span class="lineno"> 1368</span>  }</div>
<div class="line"><a name="l01369"></a><span class="lineno"> 1369</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01370"></a><span class="lineno"> 1370</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l01371"></a><span class="lineno"> 1371</span>  <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(<span class="keyword">false</span>, <span class="stringliteral">"SearchEngineTheoremProducer::convertToCNF: "</span></div>
<div class="line"><a name="l01372"></a><span class="lineno"> 1372</span>  <span class="stringliteral">"bad operator in phi = "</span>+phi.<a class="code" href="group__ExprPkg.html#gaf3028bb1619f8cc69b66ec712e1adb54" title="Print the expression to a string.">toString</a>());</div>
<div class="line"><a name="l01373"></a><span class="lineno"> 1373</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01374"></a><span class="lineno"> 1374</span>  }</div>
<div class="line"><a name="l01375"></a><span class="lineno"> 1375</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceCVC3.html#ad4258158bba138eb54b9080af7f8223a">andExpr</a>(clauses);</div>
<div class="line"><a name="l01376"></a><span class="lineno"> 1376</span> }</div>
<div class="line"><a name="l01377"></a><span class="lineno"> 1377</span> <span class="comment"></span></div>
<div class="line"><a name="l01378"></a><span class="lineno"> 1378</span> <span class="comment">///////////////////////////////////////////////////////////////////////</span></div>
<div class="line"><a name="l01379"></a><span class="lineno"> 1379</span> <span class="comment"></span><span class="comment">// helper functions for CNF converters</span><span class="comment"></span></div>
<div class="line"><a name="l01380"></a><span class="lineno"> 1380</span> <span class="comment">///////////////////////////////////////////////////////////////////////</span></div>
<div class="line"><a name="l01381"></a><span class="lineno"> 1381</span> <span class="comment"></span></div>
<div class="line"><a name="l01382"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#a4af17425aaf7d8a28aaf1d8a09241535"> 1382</a></span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> <a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#a4af17425aaf7d8a28aaf1d8a09241535" title="checks if phi has v in local cache of opCNFRule, if so reuse v.">SearchEngineTheoremProducer::findInLocalCache</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& i, </div>
<div class="line"><a name="l01383"></a><span class="lineno"> 1383</span>  <a class="code" href="classCVC3_1_1ExprMap.html">ExprMap<Expr></a>& localCache,</div>
<div class="line"><a name="l01384"></a><span class="lineno"> 1384</span>  vector<Expr>& boundVars) {</div>
<div class="line"><a name="l01385"></a><span class="lineno"> 1385</span>  <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba7fa27e82c6c4f69434225ed81e5d151e">TRACE</a>(<span class="stringliteral">"mycnf"</span>, <span class="stringliteral">"findInLocalCache("</span>, i.<a class="code" href="group__ExprPkg.html#gaf3028bb1619f8cc69b66ec712e1adb54" title="Print the expression to a string.">toString</a>(), <span class="stringliteral">") { "</span>);</div>
<div class="line"><a name="l01386"></a><span class="lineno"> 1386</span>  <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> boundVar;</div>
<div class="line"><a name="l01387"></a><span class="lineno"> 1387</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> negationDepth = 0;</div>
<div class="line"><a name="l01388"></a><span class="lineno"> 1388</span>  <a class="code" href="classCVC3_1_1ExprMap.html">ExprMap<Expr>::iterator</a> it;</div>
<div class="line"><a name="l01389"></a><span class="lineno"> 1389</span>  </div>
<div class="line"><a name="l01390"></a><span class="lineno"> 1390</span>  <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> phi = i;</div>
<div class="line"><a name="l01391"></a><span class="lineno"> 1391</span>  <span class="keywordflow">while</span>(phi.<a class="code" href="group__ExprPkg.html#ga1a898858ccadce833df5a294c7740f11">isNot</a>()) {</div>
<div class="line"><a name="l01392"></a><span class="lineno"> 1392</span>  phi = phi[0];</div>
<div class="line"><a name="l01393"></a><span class="lineno"> 1393</span>  negationDepth++;</div>
<div class="line"><a name="l01394"></a><span class="lineno"> 1394</span>  }</div>
<div class="line"><a name="l01395"></a><span class="lineno"> 1395</span>  </div>
<div class="line"><a name="l01396"></a><span class="lineno"> 1396</span>  it = localCache.<a class="code" href="classCVC3_1_1ExprMap.html#ae50ab1874dd63b575553e7db769abe28">find</a>(phi);</div>
<div class="line"><a name="l01397"></a><span class="lineno"> 1397</span>  <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> v;</div>
<div class="line"><a name="l01398"></a><span class="lineno"> 1398</span>  <span class="keywordflow">if</span>(it != localCache.<a class="code" href="classCVC3_1_1ExprMap.html#a283ae6c44308cbdda0d82da5a16e52c8">end</a>()) {</div>
<div class="line"><a name="l01399"></a><span class="lineno"> 1399</span>  v = ((*it).second)[1];</div>
<div class="line"><a name="l01400"></a><span class="lineno"> 1400</span>  <a class="code" href="debug_8h.html#a600cb2d68efe7cc413cccbb5714c7016">IF_DEBUG</a>(debugger.counter(<span class="stringliteral">"CNF Local Cache Hits"</span>)++;)</div>
<div class="line"><a name="l01401"></a><span class="lineno"> 1401</span>  }</div>
<div class="line"><a name="l01402"></a><span class="lineno"> 1402</span>  <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01403"></a><span class="lineno"> 1403</span>  v = <a class="code" href="classCVC3_1_1TheoremProducer.html#a1b706238281ad141a57363a6890f14a5">d_em</a>-><a class="code" href="group__EM__Priv.html#ga22dbb23f716cc73378d4c69d564e38dd">newBoundVarExpr</a>(i.<a class="code" href="group__ExprPkg.html#ga42929221eb172250697b72c28af6de07" title="Get the type. Recursively compute if necessary.">getType</a>());</div>
<div class="line"><a name="l01404"></a><span class="lineno"> 1404</span>  boundVars.push_back(v);</div>
<div class="line"><a name="l01405"></a><span class="lineno"> 1405</span>  localCache[phi] = phi.<a class="code" href="group__ExprPkg.html#gaae017ca8e68af655ba285c985dd9fba5">iffExpr</a>(v);</div>
<div class="line"><a name="l01406"></a><span class="lineno"> 1406</span>  }</div>
<div class="line"><a name="l01407"></a><span class="lineno"> 1407</span>  <span class="keywordflow">if</span>(negationDepth % 2 != 0)</div>
<div class="line"><a name="l01408"></a><span class="lineno"> 1408</span>  v = !v;</div>
<div class="line"><a name="l01409"></a><span class="lineno"> 1409</span>  <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba7fa27e82c6c4f69434225ed81e5d151e">TRACE</a>(<span class="stringliteral">"mycnf"</span>, <span class="stringliteral">"findInLocalCache => "</span>, v, <span class="stringliteral">" }"</span>);</div>
<div class="line"><a name="l01410"></a><span class="lineno"> 1410</span>  <span class="keywordflow">return</span> v;</div>
<div class="line"><a name="l01411"></a><span class="lineno"> 1411</span> }</div>
<div class="line"><a name="l01412"></a><span class="lineno"> 1412</span> </div>
<div class="line"><a name="l01413"></a><span class="lineno"> 1413</span> </div>
<div class="line"><a name="l01414"></a><span class="lineno"> 1414</span> </div>
<div class="line"><a name="l01415"></a><span class="lineno"> 1415</span> <span class="comment">// for LFSC proof style, by yeting</span></div>
<div class="line"><a name="l01416"></a><span class="lineno"> 1416</span> </div>
<div class="line"><a name="l01417"></a><span class="lineno"> 1417</span> </div>
<div class="line"><a name="l01418"></a><span class="lineno"> 1418</span> <span class="comment">// theorem for minisat generated proofs, by yeting</span></div>
<div class="line"><a name="l01419"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#a211e687727973cff1b055a7302d562ae"> 1419</a></span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a> <a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#a211e687727973cff1b055a7302d562ae">SearchEngineTheoremProducer::satProof</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& queryExpr, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Proof.html">Proof</a>& <a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#a211e687727973cff1b055a7302d562ae">satProof</a>) {</div>
<div class="line"><a name="l01420"></a><span class="lineno"> 1420</span>  <a class="code" href="classCVC3_1_1Proof.html">Proof</a> pf;</div>
<div class="line"><a name="l01421"></a><span class="lineno"> 1421</span>  <span class="keywordflow">if</span>(<a class="code" href="classCVC3_1_1TheoremProducer.html#aceb1eeebc6b491b3241f463488471f3a" title="Testing whether to generate proofs.">withProof</a>())</div>
<div class="line"><a name="l01422"></a><span class="lineno"> 1422</span>  pf = <a class="code" href="classCVC3_1_1TheoremProducer.html#a9a8e67b1fb33d5dfe428a659d8c66651">newPf</a>(<span class="stringliteral">"minisat_proof"</span>, queryExpr, satProof);</div>
<div class="line"><a name="l01423"></a><span class="lineno"> 1423</span> </div>
<div class="line"><a name="l01424"></a><span class="lineno"> 1424</span>  <span class="keywordflow">if</span> ((<a class="code" href="classCVC3_1_1TheoremProducer.html#a27015759e6bdfced928fc5a2d9877b7d">d_tm</a>-><a class="code" href="classCVC3_1_1TheoremManager.html#aac1a2b8c8dbec2d6e92c08fb0eaf2ec7">getFlags</a>()[<span class="stringliteral">"lfsc-mode"</span>]).getInt()!= 0)</div>
<div class="line"><a name="l01425"></a><span class="lineno"> 1425</span>  {</div>
<div class="line"><a name="l01426"></a><span class="lineno"> 1426</span>  <span class="comment">// UNCOMMENT THIS FOR LFSC</span></div>
<div class="line"><a name="l01427"></a><span class="lineno"> 1427</span> </div>
<div class="line"><a name="l01428"></a><span class="lineno"> 1428</span>  <span class="keywordflow">if</span>(!<a class="code" href="search__theorem__producer_8cpp.html#ad48a265d67710c19ae70a239a42cc9f3">lfsc_called</a>){</div>
<div class="line"><a name="l01429"></a><span class="lineno"> 1429</span>  <span class="keywordtype">int</span> lfscm = (<a class="code" href="classCVC3_1_1TheoremProducer.html#a27015759e6bdfced928fc5a2d9877b7d">d_tm</a>-><a class="code" href="classCVC3_1_1TheoremManager.html#aac1a2b8c8dbec2d6e92c08fb0eaf2ec7">getFlags</a>()[<span class="stringliteral">"lfsc-mode"</span>]).getInt();</div>
<div class="line"><a name="l01430"></a><span class="lineno"> 1430</span>  std::vector<Expr> assumps;</div>
<div class="line"><a name="l01431"></a><span class="lineno"> 1431</span>  <a class="code" href="search__theorem__producer_8cpp.html#a735bfac5de1621927af23c4fbc78c257">search_engine</a>-><a class="code" href="group__SE.html#ga43f52699cddc6e0feffffaf22424fe47" title="Get all user assumptions made in this and all previous contexts.">getUserAssumptions</a>(assumps);</div>
<div class="line"><a name="l01432"></a><span class="lineno"> 1432</span> </div>
<div class="line"><a name="l01433"></a><span class="lineno"> 1433</span>  <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> pf_expr = pf.<a class="code" href="classCVC3_1_1Proof.html#a20cd8a5db4f7f07155464880300fb4c9">getExpr</a>()[2] ;</div>
<div class="line"><a name="l01434"></a><span class="lineno"> 1434</span>  <span class="keywordflow">if</span>( lfscm == -1 ){</div>
<div class="line"><a name="l01435"></a><span class="lineno"> 1435</span>  cout << <span class="stringliteral">"CVC3 Proof: "</span>;</div>
<div class="line"><a name="l01436"></a><span class="lineno"> 1436</span>  cout << pf.<a class="code" href="classCVC3_1_1Proof.html#a20cd8a5db4f7f07155464880300fb4c9">getExpr</a>() << <a class="code" href="group__ExprStream__Manip.html#ga05b0ea7353ec24fa8e7e272d7a7875d8" title="Print the end-of-line.">endl</a>;</div>
<div class="line"><a name="l01437"></a><span class="lineno"> 1437</span>  }<span class="keywordflow">else</span>{</div>
<div class="line"><a name="l01438"></a><span class="lineno"> 1438</span>  <a class="code" href="classLFSCPrinter.html">LFSCPrinter</a>* lfsc_printer = <span class="keyword">new</span> <a class="code" href="classLFSCPrinter.html">LFSCPrinter</a>(pf_expr, queryExpr, assumps, lfscm, <a class="code" href="classCVC3_1_1SearchEngineTheoremProducer.html#abb70faf5bb0eccda31e8ff06a46f2b65">d_commonRules</a>);</div>
<div class="line"><a name="l01439"></a><span class="lineno"> 1439</span>  lfsc_printer-><a class="code" href="classLFSCPrinter.html#a726e72561b6c3dc2257af189667c17a6">print_LFSC</a>(pf_expr);</div>
<div class="line"><a name="l01440"></a><span class="lineno"> 1440</span>  <a class="code" href="search__theorem__producer_8cpp.html#ad48a265d67710c19ae70a239a42cc9f3">lfsc_called</a> = <span class="keyword">true</span>;</div>
<div class="line"><a name="l01441"></a><span class="lineno"> 1441</span>  exit( 0 );</div>
<div class="line"><a name="l01442"></a><span class="lineno"> 1442</span>  }</div>
<div class="line"><a name="l01443"></a><span class="lineno"> 1443</span>  }</div>
<div class="line"><a name="l01444"></a><span class="lineno"> 1444</span> </div>
<div class="line"><a name="l01445"></a><span class="lineno"> 1445</span>  }</div>
<div class="line"><a name="l01446"></a><span class="lineno"> 1446</span> </div>
<div class="line"><a name="l01447"></a><span class="lineno"> 1447</span>  <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1TheoremProducer.html#ab3afa2471d244b129865548afe06ca89" title="Create a new theorem. See also newRWTheorem() and newReflTheorem()">newTheorem</a>(queryExpr, <a class="code" href="classCVC3_1_1Assumptions.html#af309a39e2e013cc62b6d94c5812ad86b">Assumptions::emptyAssump</a>() , pf);</div>
<div class="line"><a name="l01448"></a><span class="lineno"> 1448</span> }</div>
<div class="line"><a name="l01449"></a><span class="lineno"> 1449</span> </div>
<div class="line"><a name="l01450"></a><span class="lineno"> 1450</span> </div>
<div class="line"><a name="l01451"></a><span class="lineno"> 1451</span> <span class="comment">// LocalWords: clc</span></div>
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