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<a href="search__sat_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_sat.cpp</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> *\brief Implementation of Search engine with generic external sat solver</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: Clark Barrett</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: Wed Dec 7 21:00:24 2005</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> </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__sat_8h.html" title="Search engine that uses an external SAT engine.">search_sat.h</a>"</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#ifdef DPLL_BASIC</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor"></span><span class="preprocessor">#include "<a class="code" href="dpllt__basic_8h.html" title="Basic implementation of dpllt module.">dpllt_basic.h</a>"</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor"></span><span class="preprocessor">#include "<a class="code" href="dpllt__minisat_8h.html" title="Implementation of dpllt module based on minisat.">dpllt_minisat.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__core_8h.html">theory_core.h</a>"</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include "<a class="code" href="eval__exception_8h.html">eval_exception.h</a>"</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include "<a class="code" href="typecheck__exception_8h.html" title="An exception to be thrown at typecheck error.">typecheck_exception.h</a>"</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include "<a class="code" href="expr__transform_8h.html" title="Generally Useful Expression Transformations.">expr_transform.h</a>"</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include "<a class="code" href="search__rules_8h.html" title="Abstract proof rules interface to the simple search engine.">search_rules.h</a>"</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</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="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include "<a class="code" href="theorem__manager_8h.html">theorem_manager.h</a>"</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include "<a class="code" href="theory_8h.html" title="Generic API for Theories plus methods commonly used by theories.">theory.h</a>"</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include "<a class="code" href="debug_8h.html" title="Description: Collection of debugging macros and functions.">debug.h</a>"</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </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="keyword">using namespace </span>std;</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="keyword">using namespace </span>CVC3;</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="keyword">using namespace </span>SAT;</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> </div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="keyword">namespace </span>CVC3 {</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> </div>
<div class="line"><a name="l00046"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchSatCoreSatAPI.html"> 46</a></span> <span class="keyword">class </span><a class="code" href="classCVC3_1_1SearchSatCoreSatAPI.html">SearchSatCoreSatAPI</a> :<span class="keyword">public</span> <a class="code" href="classCVC3_1_1TheoryCore_1_1CoreSatAPI.html" title="Interface class for callbacks to SAT from Core.">TheoryCore::CoreSatAPI</a> {</div>
<div class="line"><a name="l00047"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchSatCoreSatAPI.html#ae81499ebac0b86e35ff1bcb79a7dc1e2"> 47</a></span>  <a class="code" href="classCVC3_1_1SearchSat.html" title="Search engine that connects to a generic SAT reasoning module.">SearchSat</a>* <a class="code" href="classCVC3_1_1SearchSatCoreSatAPI.html#ae81499ebac0b86e35ff1bcb79a7dc1e2">d_ss</a>;</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="keyword">public</span>:</div>
<div class="line"><a name="l00049"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchSatCoreSatAPI.html#a6609c8ddc5e6273087b0171d3e3a6141"> 49</a></span>  <a class="code" href="classCVC3_1_1SearchSatCoreSatAPI.html#a6609c8ddc5e6273087b0171d3e3a6141">SearchSatCoreSatAPI</a>(<a class="code" href="classCVC3_1_1SearchSat.html" title="Search engine that connects to a generic SAT reasoning module.">SearchSat</a>* ss) : d_ss(ss) {}</div>
<div class="line"><a name="l00050"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchSatCoreSatAPI.html#a5a1b12f3189fb9cd97d9694515bd4ae7"> 50</a></span>  <a class="code" href="classCVC3_1_1SearchSatCoreSatAPI.html#a5a1b12f3189fb9cd97d9694515bd4ae7">~SearchSatCoreSatAPI</a>() {}</div>
<div class="line"><a name="l00051"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchSatCoreSatAPI.html#ae2f398e9ebdca22f7dbbe12380f34151"> 51</a></span>  <span class="keywordtype">void</span> addLemma(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& thm, <span class="keywordtype">int</span> priority, <span class="keywordtype">bool</span> atBottomScope)</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  { d_ss->addLemma(thm, priority, atBottomScope); }</div>
<div class="line"><a name="l00053"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchSatCoreSatAPI.html#a09cc89d4a36875de81fbd58b1c35f7bf"> 53</a></span>  <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a> addAssumption(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& assump)</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  { <span class="keywordflow">return</span> d_ss->newUserAssumption(assump); }</div>
<div class="line"><a name="l00055"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchSatCoreSatAPI.html#a17e68b9c4e83489e11099b9f5f60be63"> 55</a></span>  <span class="keywordtype">void</span> addSplitter(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& e, <span class="keywordtype">int</span> priority)</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  { d_ss->addSplitter(e, priority); }</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordtype">bool</span> check(<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="l00058"></a><span class="lineno"> 58</span>  </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_1SearchSatCoreSatAPI.html#a20b83a72494dd9dec49f37457e2ac5ac"> 62</a></span> <span class="keywordtype">bool</span> SearchSatCoreSatAPI::check(<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="l00063"></a><span class="lineno"> 63</span> {</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a> thm;</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  d_ss->push();</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <a class="code" href="namespaceCVC3.html#a060d21b3207cc3471e24f8dbcff3498b">QueryResult</a> res = d_ss->check(e, thm);</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  d_ss->pop();</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordflow">return</span> res == <a class="code" href="namespaceCVC3.html#a060d21b3207cc3471e24f8dbcff3498ba24f8f4860dbe6fd65883a9d7cbd2f576">VALID</a>;</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> }</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> </div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> </div>
<div class="line"><a name="l00072"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchSatTheoryAPI.html"> 72</a></span> <span class="keyword">class </span><a class="code" href="classCVC3_1_1SearchSatTheoryAPI.html">SearchSatTheoryAPI</a> :<span class="keyword">public</span> <a class="code" href="classSAT_1_1DPLLT_1_1TheoryAPI.html">DPLLT::TheoryAPI</a> {</div>
<div class="line"><a name="l00073"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchSatTheoryAPI.html#a23c983838f09ca499abe23c09381292c"> 73</a></span>  <a class="code" href="classCVC3_1_1ContextManager.html" title="Manager for multiple contexts. Also holds current context.">ContextManager</a>* <a class="code" href="classCVC3_1_1SearchSatTheoryAPI.html#a23c983838f09ca499abe23c09381292c">d_cm</a>;</div>
<div class="line"><a name="l00074"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchSatTheoryAPI.html#ac1c134629294189ad3728762588c51cd"> 74</a></span>  <a class="code" href="classCVC3_1_1SearchSat.html" title="Search engine that connects to a generic SAT reasoning module.">SearchSat</a>* <a class="code" href="classCVC3_1_1SearchSatTheoryAPI.html#ac1c134629294189ad3728762588c51cd">d_ss</a>;</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="keyword">public</span>:</div>
<div class="line"><a name="l00076"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchSatTheoryAPI.html#ae37ebadf06bdc0116ff7850bc2ea5dc6"> 76</a></span>  <a class="code" href="classCVC3_1_1SearchSatTheoryAPI.html">SearchSatTheoryAPI</a>(<a class="code" href="classCVC3_1_1SearchSat.html" title="Search engine that connects to a generic SAT reasoning module.">SearchSat</a>* ss)</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  : d_cm(ss->theoryCore()->getCM()), d_ss(ss) {}</div>
<div class="line"><a name="l00078"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchSatTheoryAPI.html#a4fe19299e276955c5c2f653510b98ef3"> 78</a></span>  <a class="code" href="classCVC3_1_1SearchSatTheoryAPI.html#a4fe19299e276955c5c2f653510b98ef3">~SearchSatTheoryAPI</a>() {}</div>
<div class="line"><a name="l00079"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchSatTheoryAPI.html#ab315cba0a7157225c0355b1136b511fc"> 79</a></span>  <span class="keywordtype">void</span> <a class="code" href="classCVC3_1_1SearchSatTheoryAPI.html#ab315cba0a7157225c0355b1136b511fc" title="Set a checkpoint for backtracking.">push</a>() { <span class="keywordflow">return</span> d_cm->push(); }</div>
<div class="line"><a name="l00080"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchSatTheoryAPI.html#a22e462ee6d70a81cdf6610921068c9ed"> 80</a></span>  <span class="keywordtype">void</span> <a class="code" href="classCVC3_1_1SearchSatTheoryAPI.html#a22e462ee6d70a81cdf6610921068c9ed" title="Restore most recent checkpoint.">pop</a>() { <span class="keywordflow">return</span> d_cm->pop(); }</div>
<div class="line"><a name="l00081"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchSatTheoryAPI.html#a11363a1236f9d2520119a0d4533087a6"> 81</a></span>  <span class="keywordtype">void</span> <a class="code" href="classCVC3_1_1SearchSatTheoryAPI.html#a11363a1236f9d2520119a0d4533087a6" title="Notify theory when a literal is set to true.">assertLit</a>(<a class="code" href="classSAT_1_1Lit.html">Lit</a> l) { d_ss->assertLit(l); }</div>
<div class="line"><a name="l00082"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchSatTheoryAPI.html#a5f294c37fc9ba581b542a0639e47865f"> 82</a></span>  <a class="code" href="classSAT_1_1DPLLT.html#ac612908684032ffe76ad97f04afd0ca8">SAT::DPLLT::ConsistentResult</a> checkConsistent(<a class="code" href="classSAT_1_1CNF__Formula.html">CNF_Formula</a>& cnf, <span class="keywordtype">bool</span> fullEffort)</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  { <span class="keywordflow">return</span> d_ss->checkConsistent(cnf, fullEffort); }</div>
<div class="line"><a name="l00084"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchSatTheoryAPI.html#aad2fecc1799c5b79199995cf02fcd3fb"> 84</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classCVC3_1_1SearchSatTheoryAPI.html#aad2fecc1799c5b79199995cf02fcd3fb" title="Check if the work budget has been exceeded.">outOfResources</a>() { <span class="keywordflow">return</span> d_ss->theoryCore()->outOfResources(); }</div>
<div class="line"><a name="l00085"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchSatTheoryAPI.html#a06f33ae2c4b9020c9dd5c05b4dc3345f"> 85</a></span>  <a class="code" href="classSAT_1_1Lit.html">Lit</a> <a class="code" href="classCVC3_1_1SearchSatTheoryAPI.html#a06f33ae2c4b9020c9dd5c05b4dc3345f" title="Get a literal that is implied by the current assignment.">getImplication</a>() { <span class="keywordflow">return</span> d_ss->getImplication(); }</div>
<div class="line"><a name="l00086"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchSatTheoryAPI.html#a5faff1f37c64447f406fbd6c377f6cd2"> 86</a></span>  <span class="keywordtype">void</span> <a class="code" href="classCVC3_1_1SearchSatTheoryAPI.html#a5faff1f37c64447f406fbd6c377f6cd2" title="Get an explanation for a literal that was implied.">getExplanation</a>(<a class="code" href="classSAT_1_1Lit.html">Lit</a> l, <a class="code" href="classSAT_1_1CNF__Formula.html">CNF_Formula</a>& cnf) { <span class="keywordflow">return</span> d_ss->getExplanation(l, cnf); }</div>
<div class="line"><a name="l00087"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchSatTheoryAPI.html#a2e715dfb82483c9a78e80eea7dbb97aa"> 87</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classCVC3_1_1SearchSatTheoryAPI.html#a2e715dfb82483c9a78e80eea7dbb97aa" title="Get new clauses from the theory.">getNewClauses</a>(<a class="code" href="classSAT_1_1CNF__Formula.html">CNF_Formula</a>& cnf) { <span class="keywordflow">return</span> d_ss->getNewClauses(cnf); }</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> };</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> </div>
<div class="line"><a name="l00091"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchSatDecider.html"> 91</a></span> <span class="keyword">class </span><a class="code" href="classCVC3_1_1SearchSatDecider.html">SearchSatDecider</a> :<span class="keyword">public</span> <a class="code" href="classSAT_1_1DPLLT_1_1Decider.html">DPLLT::Decider</a> {</div>
<div class="line"><a name="l00092"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchSatDecider.html#a1f0f6fe9b711ecc89ac06edfe1c52aed"> 92</a></span>  <a class="code" href="classCVC3_1_1SearchSat.html" title="Search engine that connects to a generic SAT reasoning module.">SearchSat</a>* <a class="code" href="classCVC3_1_1SearchSatDecider.html#a1f0f6fe9b711ecc89ac06edfe1c52aed">d_ss</a>;</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="keyword">public</span>:</div>
<div class="line"><a name="l00094"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchSatDecider.html#aea531ab8aa5fe7c8ebdd094585ac862d"> 94</a></span>  <a class="code" href="classCVC3_1_1SearchSatDecider.html#aea531ab8aa5fe7c8ebdd094585ac862d">SearchSatDecider</a>(<a class="code" href="classCVC3_1_1SearchSat.html" title="Search engine that connects to a generic SAT reasoning module.">SearchSat</a>* ss) : d_ss(ss) {}</div>
<div class="line"><a name="l00095"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchSatDecider.html#a53dcf26ae3f6000c25fd41f7cfb6a15f"> 95</a></span>  <a class="code" href="classCVC3_1_1SearchSatDecider.html#a53dcf26ae3f6000c25fd41f7cfb6a15f">~SearchSatDecider</a>() {}</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span> </div>
<div class="line"><a name="l00097"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchSatDecider.html#ad58d3667503de13c9921d751f8663e00"> 97</a></span>  <a class="code" href="classSAT_1_1Lit.html">Lit</a> <a class="code" href="classCVC3_1_1SearchSatDecider.html#ad58d3667503de13c9921d751f8663e00" title="Make a decision.">makeDecision</a>() { <span class="keywordflow">return</span> d_ss->makeDecision(); }</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> </div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> </div>
<div class="line"><a name="l00101"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchSatCNFCallback.html"> 101</a></span> <span class="keyword">class </span><a class="code" href="classCVC3_1_1SearchSatCNFCallback.html">SearchSatCNFCallback</a> :<span class="keyword">public</span> <a class="code" href="classSAT_1_1CNF__Manager_1_1CNFCallback.html" title="Abstract class for callbacks.">CNF_Manager::CNFCallback</a> {</div>
<div class="line"><a name="l00102"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchSatCNFCallback.html#a5b4909ba2c06dbe79d2c38f61958cbb0"> 102</a></span>  <a class="code" href="classCVC3_1_1SearchSat.html" title="Search engine that connects to a generic SAT reasoning module.">SearchSat</a>* <a class="code" href="classCVC3_1_1SearchSatCNFCallback.html#a5b4909ba2c06dbe79d2c38f61958cbb0">d_ss</a>;</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="keyword">public</span>:</div>
<div class="line"><a name="l00104"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchSatCNFCallback.html#a62053b1f6dfa61fb0f2ab225b2886580"> 104</a></span>  <a class="code" href="classCVC3_1_1SearchSatCNFCallback.html#a62053b1f6dfa61fb0f2ab225b2886580">SearchSatCNFCallback</a>(<a class="code" href="classCVC3_1_1SearchSat.html" title="Search engine that connects to a generic SAT reasoning module.">SearchSat</a>* ss) : d_ss(ss) {}</div>
<div class="line"><a name="l00105"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchSatCNFCallback.html#a0a5b3b1176357230a9e6055e13b521c9"> 105</a></span>  <a class="code" href="classCVC3_1_1SearchSatCNFCallback.html#a0a5b3b1176357230a9e6055e13b521c9">~SearchSatCNFCallback</a>() {}</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> </div>
<div class="line"><a name="l00107"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchSatCNFCallback.html#aedf8407f7bd6e3b1eceba553acd5bbf9"> 107</a></span>  <span class="keywordtype">void</span> registerAtom(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& e, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& thm)</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  { d_ss->theoryCore()->theoryOf(e)->registerAtom(e, thm); }</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> };</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> </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> </div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> </div>
<div class="line"><a name="l00115"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchSat.html#aff33fe25d0761167062aa871e1992ded"> 115</a></span> <span class="keywordtype">void</span> SearchSat::restorePre()</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span> {</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">if</span> (d_core->getCM()->scopeLevel() == d_bottomScope) {</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(d_prioritySetBottomEntriesSizeStack.size() > 0, <span class="stringliteral">"Expected non-empty stack"</span>);</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  d_prioritySetBottomEntriesSize = d_prioritySetBottomEntriesSizeStack.back();</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  d_prioritySetBottomEntriesSizeStack.pop_back();</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keywordflow">while</span> (d_prioritySetBottomEntriesSize < d_prioritySetBottomEntries.size()) {</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  d_prioritySet.erase(d_prioritySetBottomEntries.back());</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  d_prioritySetBottomEntries.pop_back();</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  }</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  }</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span> }</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span> </div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span> </div>
<div class="line"><a name="l00129"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchSat.html#a41d79aff18a635a5cdc2c789bb784a0a"> 129</a></span> <span class="keywordtype">void</span> SearchSat::restore()</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>  <span class="keywordflow">while</span> (d_prioritySetEntriesSize < d_prioritySetEntries.size()) {</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  d_prioritySet.erase(d_prioritySetEntries.back());</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  d_prioritySetEntries.pop_back();</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  }</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordflow">while</span> (d_pendingLemmasSize < d_pendingLemmas.size()) {</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  d_pendingLemmas.pop_back();</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  d_pendingScopes.pop_back();</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  }</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keywordflow">while</span> (d_varsUndoListSize < d_varsUndoList.size()) {</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  d_vars[d_varsUndoList.back()] = <a class="code" href="classSAT_1_1Var.html#ac9cf10f19f5f4d86ad539777fd8ca5aea98bec3ab0d44524d1ea379c9209b9b1a">SAT::Var::UNKNOWN</a>;</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  d_varsUndoList.pop_back();</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  }</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span> }</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span> </div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> </div>
<div class="line"><a name="l00146"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchSat.html#a0f3b2311296e520c22aea55c68c4b477"> 146</a></span> <span class="keywordtype">bool</span> SearchSat::recordNewRootLit(<a class="code" href="classSAT_1_1Lit.html">Lit</a> lit, <span class="keywordtype">int</span> priority, <span class="keywordtype">bool</span> atBottomScope)</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> {</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(d_prioritySetEntriesSize == d_prioritySetEntries.size() &&</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  d_prioritySetBottomEntriesSize == d_prioritySetBottomEntries.size(),</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="stringliteral">"Size mismatch"</span>);</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  pair<set<LitPriorityPair>::iterator,<span class="keywordtype">bool</span>> status =</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  d_prioritySet.insert(<a class="code" href="classCVC3_1_1SearchSat_1_1LitPriorityPair.html" title="Pair of Lit and priority of this Lit.">LitPriorityPair</a>(lit, priority));</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordflow">if</span> (!status.second) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordflow">if</span> (!atBottomScope || d_bottomScope == d_core->getCM()->scopeLevel()) {</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  d_prioritySetEntries.push_back(status.first);</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  d_prioritySetEntriesSize = d_prioritySetEntriesSize + 1;</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  }</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  d_prioritySetBottomEntries.push_back(status.first);</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  ++d_prioritySetBottomEntriesSize;</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  }</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  </div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordflow">if</span> (d_prioritySetStart.get() == d_prioritySet.end() ||</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  ((*status.first) < (*(d_prioritySetStart.get()))))</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  d_prioritySetStart = status.first;</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span> }</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span> </div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span> </div>
<div class="line"><a name="l00170"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchSat.html#ad7abbaa4ca4528eb0cdfcbce26d05ea4"> 170</a></span> <span class="keywordtype">void</span> SearchSat::addLemma(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& thm, <span class="keywordtype">int</span> priority, <span class="keywordtype">bool</span> atBottomScope)</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span> {</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <a class="code" href="debug_8h.html#a600cb2d68efe7cc413cccbb5714c7016">IF_DEBUG</a>(</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keywordtype">string</span> indentStr(theoryCore()->getCM()->scopeLevel(), <span class="charliteral">' '</span>);</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba7fa27e82c6c4f69434225ed81e5d151e">TRACE</a>(<span class="stringliteral">"addLemma"</span>, indentStr, <span class="stringliteral">"AddLemma: "</span>, thm.<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>(<a class="code" href="namespaceCVC3.html#a3aaaf7bc1fc47a4860ef6e59ddb0db0eaa315c228d5c3290ce37df81524ed8e9a" title="Nice SAL-like language for manually written specs.">PRESENTATION_LANG</a>));</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  )</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="comment">// DebugAssert(!thm.getExpr().isAbsLiteral(), "Expected non-literal");</span></div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(d_pendingLemmasSize == d_pendingLemmas.size(), <span class="stringliteral">"Size mismatch"</span>);</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(d_pendingLemmasSize == d_pendingScopes.size(), <span class="stringliteral">"Size mismatch"</span>);</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(d_pendingLemmasNext <= d_pendingLemmas.size(), <span class="stringliteral">"Size mismatch"</span>);</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  d_pendingLemmas.push_back(pair<Theorem,int>(thm, priority));</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  d_pendingScopes.push_back(atBottomScope);</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  d_pendingLemmasSize = d_pendingLemmasSize + 1;</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span> }</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span> </div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span> </div>
<div class="line"><a name="l00186"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchSat.html#a98359a6ceb891ac5d12030aa42210b3d"> 186</a></span> <span class="keywordtype">void</span> SearchSat::addSplitter(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& e, <span class="keywordtype">int</span> priority)</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>  <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(!e.<a class="code" href="group__ExprPkg.html#gac4af2026c180da0f18d66ac616f61f3a">isEq</a>() || e[0] != e[1], <span class="stringliteral">"Expected non-trivial splitter"</span>);</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  addLemma(d_commonRules->excludedMiddle(e), priority);</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> </div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span> </div>
<div class="line"><a name="l00193"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchSat.html#a14cf6695839ff6ac2a0fc0f134c26d47"> 193</a></span> <span class="keywordtype">void</span> SearchSat::assertLit(<a class="code" href="classSAT_1_1Lit.html">Lit</a> l)</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span> {</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="comment">// DebugAssert(d_inCheckSat, "Should only be used as a call-back");</span></div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> e = d_cnfManager->concreteLit(l);</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span> </div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <a class="code" href="debug_8h.html#a600cb2d68efe7cc413cccbb5714c7016">IF_DEBUG</a>(</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keywordtype">string</span> indentStr(theoryCore()->getCM()->scopeLevel(), <span class="charliteral">' '</span>);</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="keywordtype">string</span> val = <span class="stringliteral">" := "</span>;</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  </div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  std::stringstream ss;</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  ss<<theoryCore()->getCM()->scopeLevel();</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  std::string temp;</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  ss>>temp;</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span> </div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="keywordflow">if</span> (l.<a class="code" href="classSAT_1_1Lit.html#ada14f3ca2b88500b5c2500d60e7f554b">isPositive</a>()) val += <span class="stringliteral">"1"</span>; <span class="keywordflow">else</span> val += <span class="stringliteral">"0"</span>;</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba7fa27e82c6c4f69434225ed81e5d151e">TRACE</a>(<span class="stringliteral">"assertLit"</span>, <span class="stringliteral">""</span>, <span class="stringliteral">""</span>, <span class="stringliteral">""</span>);</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba7fa27e82c6c4f69434225ed81e5d151e">TRACE</a>(<span class="stringliteral">"assertLitScope"</span>, indentStr, <span class="stringliteral">"Scope level = "</span>, temp);</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba7fa27e82c6c4f69434225ed81e5d151e">TRACE</a>(<span class="stringliteral">"assertLit"</span>, indentStr, l.<a class="code" href="classSAT_1_1Lit.html#a57e2e6e37cad9595c3edbea88a41262f">getVar</a>(), val+<span class="stringliteral">": "</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="l00211"></a><span class="lineno"> 211</span>  )</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span> </div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="comment">//=======</span></div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="comment">// IF_DEBUG(</span></div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="comment">// string indentStr(theoryCore()->getCM()->scopeLevel(), ' ');</span></div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="comment">// string val = " := ";</span></div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="comment">// if (l.isPositive()) val += "1"; else val += "0";</span></div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="comment">// TRACE("assertLit", indentStr, l.getVar(), val);</span></div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="comment">// )</span></div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span> </div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="comment">// This can happen if the SAT solver propagates a learned unit clause from a p</span></div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keywordtype">bool</span> isSATLemma = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keywordflow">if</span> (e.<a class="code" href="group__ExprPkg.html#ga0265d1ca42fa59c95aaff3ca675b6504">isNull</a>()) {</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  e = d_cnfManager->concreteLit(l, <span class="keyword">false</span>);</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(!e.<a class="code" href="group__ExprPkg.html#ga0265d1ca42fa59c95aaff3ca675b6504">isNull</a>(), <span class="stringliteral">"Expected known expr"</span>);</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  isSATLemma = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba7fa27e82c6c4f69434225ed81e5d151e">TRACE</a>(<span class="stringliteral">"quant-level"</span>, <span class="stringliteral">"found null expr "</span>,e, <span class="stringliteral">""</span>);</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  }</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span> </div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(!e.<a class="code" href="group__ExprPkg.html#ga0265d1ca42fa59c95aaff3ca675b6504">isNull</a>(), <span class="stringliteral">"Expected known expr"</span>);</div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(!e.<a class="code" href="group__ExprPkg.html#gaf42121131fd56040faef7a64d9e67729">isIntAssumption</a>() || getValue(l) == <a class="code" href="classSAT_1_1Var.html#ac9cf10f19f5f4d86ad539777fd8ca5aea9e61954c8499a11875554e5583da88b7">SAT::Var::TRUE_VAL</a>,</div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="stringliteral">"internal assumptions should be true"</span>);</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="comment">// This happens if the SAT solver has been restarted--it re-asserts its old assumptions</span></div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="keywordflow">if</span> (e.<a class="code" href="group__ExprPkg.html#gaf42121131fd56040faef7a64d9e67729">isIntAssumption</a>()) <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="keywordflow">if</span> (getValue(l) == <a class="code" href="classSAT_1_1Var.html#ac9cf10f19f5f4d86ad539777fd8ca5aea98bec3ab0d44524d1ea379c9209b9b1a">SAT::Var::UNKNOWN</a>) {</div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  setValue(l.<a class="code" href="classSAT_1_1Lit.html#a57e2e6e37cad9595c3edbea88a41262f">getVar</a>(), l.<a class="code" href="classSAT_1_1Lit.html#ada14f3ca2b88500b5c2500d60e7f554b">isPositive</a>() ? <a class="code" href="namespaceCVC3.html#a9d68f126b86e6fd08b3bc13a511df9bfafbdc0d362f5bc36703903ef24ebbd30b">Var::TRUE_VAL</a> : <a class="code" href="namespaceCVC3.html#a9d68f126b86e6fd08b3bc13a511df9bfa047662472190c5c32f81cb409b2139bc">Var::FALSE_VAL</a>);</div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  }</div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(!e.<a class="code" href="group__ExprPkg.html#gaac535dae48f02fcd093a5b1b1a062211" title="Test if e is an abstract literal.">isAbsLiteral</a>(), <span class="stringliteral">"invariant violated"</span>);</div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(getValue(l) == <a class="code" href="namespaceCVC3.html#a9d68f126b86e6fd08b3bc13a511df9bfafbdc0d362f5bc36703903ef24ebbd30b">Var::TRUE_VAL</a>, <span class="stringliteral">"invariant violated"</span>);</div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="keywordflow">return</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="keywordflow">if</span> (!e.<a class="code" href="group__ExprPkg.html#gaac535dae48f02fcd093a5b1b1a062211" title="Test if e is an abstract literal.">isAbsLiteral</a>()) <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  e.<a class="code" href="group__ExprPkg.html#ga8b1ac81529d2ebee895a385a35460d39">setIntAssumption</a>();</div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span> </div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a> thm = d_commonRules->assumpRule(e);</div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <span class="keywordflow">if</span> (isSATLemma) {</div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <a class="code" href="classSAT_1_1CNF__Formula__Impl.html">CNF_Formula_Impl</a> cnf;</div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  d_cnfManager->addAssumption(thm, cnf);</div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  }</div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span> </div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  thm.<a class="code" href="classCVC3_1_1Theorem.html#ab3309c937f827595d1d92fa48cb5a471" title="Set the quantification level for this theorem.">setQuantLevel</a>(theoryCore()->getQuantLevelForTerm(e.<a class="code" href="group__ExprPkg.html#ga1a898858ccadce833df5a294c7740f11">isNot</a>() ? e[0] : e));</div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  d_intAssumptions.push_back(thm);</div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  d_core->addFact(thm);</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> </div>
<div class="line"><a name="l00258"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchSat.html#aba13a4e3105c6d8ed6ae960a35ac0831"> 258</a></span> <a class="code" href="classSAT_1_1DPLLT.html#ac612908684032ffe76ad97f04afd0ca8">SAT::DPLLT::ConsistentResult</a> SearchSat::checkConsistent(<a class="code" href="classSAT_1_1CNF__Formula.html">SAT::CNF_Formula</a>& cnf, <span class="keywordtype">bool</span> fullEffort)</div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span> {</div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(d_inCheckSat, <span class="stringliteral">"Should only be used as a call-back"</span>);</div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="keywordflow">if</span> (d_core->inconsistent()) {</div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  d_cnfManager->convertLemma(d_core->inconsistentThm(), cnf);</div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="keywordflow">if</span> (d_cnfManager->numVars() > d_vars.size()) {</div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  d_vars.resize(d_cnfManager->numVars(), <a class="code" href="classSAT_1_1Var.html#ac9cf10f19f5f4d86ad539777fd8ca5aea98bec3ab0d44524d1ea379c9209b9b1a">SAT::Var::UNKNOWN</a>);</div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  }</div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <span class="keywordflow">return</span> DPLLT::INCONSISTENT;</div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  }</div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <span class="keywordflow">if</span> (fullEffort) {</div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <span class="keywordflow">if</span> (d_core->checkSATCore() && d_pendingLemmasNext == d_pendingLemmas.size() && d_lemmasNext == d_lemmas.numClauses()) {</div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <span class="keywordflow">if</span> (d_core->inconsistent()) {</div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  d_cnfManager->convertLemma(d_core->inconsistentThm(), cnf);</div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <span class="keywordflow">if</span> (d_cnfManager->numVars() > d_vars.size()) {</div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  d_vars.resize(d_cnfManager->numVars(), <a class="code" href="classSAT_1_1Var.html#ac9cf10f19f5f4d86ad539777fd8ca5aea98bec3ab0d44524d1ea379c9209b9b1a">SAT::Var::UNKNOWN</a>);</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>  <span class="keywordflow">return</span> DPLLT::INCONSISTENT;</div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  }</div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <span class="keywordflow">else</span> <span class="keywordflow">return</span> DPLLT::CONSISTENT;</div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  }</div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  }</div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <span class="keywordflow">return</span> DPLLT::MAYBE_CONSISTENT;</div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span> }</div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span> </div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span> </div>
<div class="line"><a name="l00284"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchSat.html#a87c52cad8178ab644a84e31ab0290f95"> 284</a></span> <a class="code" href="classSAT_1_1Lit.html">Lit</a> SearchSat::getImplication()</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>  <span class="comment">// DebugAssert(d_inCheckSat, "Should only be used as a call-back");</span></div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  <a class="code" href="classSAT_1_1Lit.html">Lit</a> l;</div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a> imp = d_core->getImpliedLiteral();</div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <span class="keywordflow">while</span> (!imp.<a class="code" href="classCVC3_1_1Theorem.html#afc6fdb0507eb3669e28d9be5ed0bd333">isNull</a>()) {</div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  l = d_cnfManager->getCNFLit(imp.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());</div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(!l.<a class="code" href="classSAT_1_1Lit.html#ad5f6236c582c95356d720a7401623f36">isNull</a>() || imp.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>().<a class="code" href="group__ExprPkg.html#ga39070a3fb12c398dc5bb7526d6aeb7f3" title="Remove leading NOT if any.">unnegate</a>().<a class="code" href="group__ExprPkg.html#ga8296386eb481a436937b6f0b140f8af0">isUserRegisteredAtom</a>(),</div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  <span class="stringliteral">"implied literals should be registered by cnf or by user"</span>);</div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  <span class="keywordflow">if</span> (!l.<a class="code" href="classSAT_1_1Lit.html#ad5f6236c582c95356d720a7401623f36">isNull</a>() && getValue(l) != <a class="code" href="namespaceCVC3.html#a9d68f126b86e6fd08b3bc13a511df9bfafbdc0d362f5bc36703903ef24ebbd30b">Var::TRUE_VAL</a>) {</div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  d_theorems.insert(imp.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>(), imp);</div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  }</div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  l.<a class="code" href="classSAT_1_1Lit.html#a3bb64db99db01facd58c54e48b3f7800">reset</a>();</div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  imp = d_core->getImpliedLiteral();</div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  }</div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <span class="keywordflow">return</span> l;</div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span> }</div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span> </div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span> </div>
<div class="line"><a name="l00304"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchSat.html#a6347fa89942c705786dece8175c2bf6c"> 304</a></span> <span class="keywordtype">void</span> SearchSat::getExplanation(<a class="code" href="classSAT_1_1Lit.html">Lit</a> l, <a class="code" href="classSAT_1_1CNF__Formula.html">SAT::CNF_Formula</a>& cnf)</div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span> {</div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  <span class="comment">// DebugAssert(d_inCheckSat, "Should only be used as a call-back");</span></div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(cnf.<a class="code" href="classSAT_1_1CNF__Formula.html#a15e2d3d65a38c23558a0ae8cf35f1938">empty</a>(), <span class="stringliteral">"Expected empty cnf"</span>);</div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> e = d_cnfManager->concreteLit(l);</div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  <a class="code" href="classCVC3_1_1CDMap.html">CDMap<Expr, Theorem>::iterator</a> i = d_theorems.<a class="code" href="classCVC3_1_1CDMap.html#a1cadecbd2d6fa614a2f2e9419aa43f33">find</a>(e);</div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(i != d_theorems.<a class="code" href="classCVC3_1_1CDMap.html#a2a26c7cc4db12cb17d273db5cfa5a890">end</a>(), <span class="stringliteral">"getExplanation: no explanation found"</span>);</div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  d_cnfManager->convertLemma((*i).second, cnf); </div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  <span class="keywordflow">if</span> (d_cnfManager->numVars() > d_vars.size()) {</div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  d_vars.resize(d_cnfManager->numVars(), <a class="code" href="classSAT_1_1Var.html#ac9cf10f19f5f4d86ad539777fd8ca5aea98bec3ab0d44524d1ea379c9209b9b1a">SAT::Var::UNKNOWN</a>);</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> }</div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span> </div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span> </div>
<div class="line"><a name="l00318"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchSat.html#a858da2f6e8aefe2aeb124eececd45e3a"> 318</a></span> <span class="keywordtype">bool</span> SearchSat::getNewClauses(<a class="code" href="classSAT_1_1CNF__Formula.html">CNF_Formula</a>& cnf)</div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span> {</div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <span class="keywordtype">unsigned</span> i;</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>  <a class="code" href="classSAT_1_1Lit.html">Lit</a> l;</div>
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  <span class="keywordflow">for</span> (i = d_pendingLemmasNext; i < d_pendingLemmas.size(); ++i) {</div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  l = d_cnfManager->addLemma(d_pendingLemmas[i].first, d_lemmas);</div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <span class="keywordflow">if</span> (!recordNewRootLit(l, d_pendingLemmas[i].second, d_pendingScopes[i])) {</div>
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <span class="comment">// Already have this lemma: delete it</span></div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  d_lemmas.deleteLast();</div>
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  }</div>
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  }</div>
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  d_pendingLemmasNext = d_pendingLemmas.size();</div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span> </div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  <span class="keywordflow">if</span> (d_cnfManager->numVars() > d_vars.size()) {</div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  d_vars.resize(d_cnfManager->numVars(), <a class="code" href="classSAT_1_1Var.html#ac9cf10f19f5f4d86ad539777fd8ca5aea98bec3ab0d44524d1ea379c9209b9b1a">SAT::Var::UNKNOWN</a>);</div>
<div class="line"><a name="l00334"></a><span class="lineno"> 334</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>  <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(d_lemmasNext <= d_lemmas.numClauses(), <span class="stringliteral">""</span>);</div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  <span class="keywordflow">if</span> (d_lemmasNext == d_lemmas.numClauses()) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  <span class="keywordflow">do</span> {</div>
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  cnf += d_lemmas[d_lemmasNext];</div>
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  d_lemmasNext = d_lemmasNext + 1;</div>
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  } <span class="keywordflow">while</span> (d_lemmasNext < d_lemmas.numClauses());</div>
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span> }</div>
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span> </div>
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span> </div>
<div class="line"><a name="l00346"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchSat.html#afa9bdddd9bef64500f6a958d90682c37"> 346</a></span> <a class="code" href="classSAT_1_1Lit.html">Lit</a> SearchSat::makeDecision()</div>
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span> {</div>
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(d_inCheckSat, <span class="stringliteral">"Should only be used as a call-back"</span>);</div>
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  <a class="code" href="classSAT_1_1Lit.html">Lit</a> litDecision;</div>
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span> </div>
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  set<LitPriorityPair>::const_iterator i, iend;</div>
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  <a class="code" href="classSAT_1_1Lit.html">Lit</a> lit;</div>
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  <span class="keywordflow">for</span> (i = d_prioritySetStart, iend = d_prioritySet.end(); i != iend; ++i) {</div>
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  lit = (*i).getLit();</div>
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  <span class="keywordflow">if</span> (findSplitterRec(lit, getValue(lit), &litDecision)) {</div>
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  }</div>
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  }</div>
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  d_prioritySetStart = i;</div>
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  <span class="keywordflow">return</span> litDecision;</div>
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span> }</div>
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span> </div>
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span> </div>
<div class="line"><a name="l00364"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchSat.html#a9b9c34dcc6d7deab8d54c1d03e5b7a2e"> 364</a></span> <span class="keywordtype">bool</span> SearchSat::findSplitterRec(<a class="code" href="classSAT_1_1Lit.html">Lit</a> lit, <a class="code" href="classSAT_1_1Var.html#ac9cf10f19f5f4d86ad539777fd8ca5ae">Var::Val</a> value, <a class="code" href="classSAT_1_1Lit.html">Lit</a>* litDecision)</div>
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span> {</div>
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  <span class="keywordflow">if</span> (lit.<a class="code" href="classSAT_1_1Lit.html#ab866c8154de88e5285f166f53cdf2d33">isFalse</a>() || lit.<a class="code" href="classSAT_1_1Lit.html#a770e1901858f699490f50e9d2ff1d070">isTrue</a>()) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span> </div>
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  <span class="keywordtype">unsigned</span> i, n;</div>
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  <a class="code" href="classSAT_1_1Lit.html">Lit</a> litTmp;</div>
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  <a class="code" href="classSAT_1_1Var.html">Var</a> varTmp;</div>
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  <span class="keywordtype">bool</span> ret;</div>
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  <a class="code" href="classSAT_1_1Var.html">Var</a> v = lit.<a class="code" href="classSAT_1_1Lit.html#a57e2e6e37cad9595c3edbea88a41262f">getVar</a>();</div>
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span> </div>
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(value != <a class="code" href="xchaff__base_8h.html#a915d220aba4527d1e33010bdfcbc6855a6ce26a62afab55d7606ad4e92428b30c">Var::UNKNOWN</a>, <span class="stringliteral">"expected known value"</span>);</div>
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(getValue(lit) == value || getValue(lit) == <a class="code" href="xchaff__base_8h.html#a915d220aba4527d1e33010bdfcbc6855a6ce26a62afab55d7606ad4e92428b30c">Var::UNKNOWN</a>,</div>
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  <span class="stringliteral">"invariant violated"</span>);</div>
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span> </div>
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  <span class="keywordflow">if</span> (checkJustified(v)) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span> </div>
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  <span class="keywordflow">if</span> (lit.<a class="code" href="classSAT_1_1Lit.html#ae6fbaf94176fd32347ff14ba3cbc3363">isInverted</a>()) {</div>
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  value = Var::invertValue(value);</div>
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  }</div>
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span> </div>
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  <span class="keywordflow">if</span> (d_cnfManager->numFanins(v) == 0) {</div>
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  <span class="keywordflow">if</span> (getValue(v) != <a class="code" href="xchaff__base_8h.html#a915d220aba4527d1e33010bdfcbc6855a6ce26a62afab55d7606ad4e92428b30c">Var::UNKNOWN</a>) {</div>
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  setJustified(v);</div>
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  }</div>
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  *litDecision = <a class="code" href="classSAT_1_1Lit.html">Lit</a>(v, value == <a class="code" href="namespaceCVC3.html#a9d68f126b86e6fd08b3bc13a511df9bfafbdc0d362f5bc36703903ef24ebbd30b">Var::TRUE_VAL</a>);</div>
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  <span class="keywordflow">return</span> <span class="keyword">true</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>  }</div>
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (d_cnfManager->concreteVar(v).isAbsAtomicFormula()) {</div>
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  <span class="comment">// This node represents a predicate with embedded ITE's</span></div>
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  <span class="comment">// We handle this case specially in order to catch the</span></div>
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  <span class="comment">// corner case when a variable is in its own fanin.</span></div>
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  n = d_cnfManager->numFanins(v);</div>
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  <span class="keywordflow">for</span> (i=0; i < n; ++i) {</div>
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  litTmp = d_cnfManager->getFanin(v, i);</div>
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  varTmp = litTmp.<a class="code" href="classSAT_1_1Lit.html#a57e2e6e37cad9595c3edbea88a41262f">getVar</a>();</div>
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(!litTmp.<a class="code" href="classSAT_1_1Lit.html#ae6fbaf94176fd32347ff14ba3cbc3363">isInverted</a>(),<span class="stringliteral">"Expected positive fanin"</span>);</div>
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  <span class="keywordflow">if</span> (checkJustified(varTmp)) <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(d_cnfManager->concreteVar(varTmp).getKind() == <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba3a4cfaf3eae8eac1dc2fd27d9f0994dc">ITE</a>,</div>
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  <span class="stringliteral">"Expected ITE"</span>);</div>
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(getValue(varTmp) == <a class="code" href="namespaceCVC3.html#a9d68f126b86e6fd08b3bc13a511df9bfafbdc0d362f5bc36703903ef24ebbd30b">Var::TRUE_VAL</a>,<span class="stringliteral">"Expected TRUE"</span>);</div>
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  <a class="code" href="classSAT_1_1Lit.html">Lit</a> cIf = d_cnfManager->getFanin(varTmp,0);</div>
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  <a class="code" href="classSAT_1_1Lit.html">Lit</a> cThen = d_cnfManager->getFanin(varTmp,1);</div>
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  <a class="code" href="classSAT_1_1Lit.html">Lit</a> cElse = d_cnfManager->getFanin(varTmp,2);</div>
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  <span class="keywordflow">if</span> (getValue(cIf) == <a class="code" href="xchaff__base_8h.html#a915d220aba4527d1e33010bdfcbc6855a6ce26a62afab55d7606ad4e92428b30c">Var::UNKNOWN</a>) {</div>
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  <span class="keywordflow">if</span> (getValue(cElse) == <a class="code" href="namespaceCVC3.html#a9d68f126b86e6fd08b3bc13a511df9bfafbdc0d362f5bc36703903ef24ebbd30b">Var::TRUE_VAL</a> ||</div>
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  getValue(cThen) == <a class="code" href="namespaceCVC3.html#a9d68f126b86e6fd08b3bc13a511df9bfa047662472190c5c32f81cb409b2139bc">Var::FALSE_VAL</a>) {</div>
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  ret = findSplitterRec(cIf, <a class="code" href="namespaceCVC3.html#a9d68f126b86e6fd08b3bc13a511df9bfa047662472190c5c32f81cb409b2139bc">Var::FALSE_VAL</a>, litDecision);</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">else</span> {</div>
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  ret = findSplitterRec(cIf, <a class="code" href="namespaceCVC3.html#a9d68f126b86e6fd08b3bc13a511df9bfafbdc0d362f5bc36703903ef24ebbd30b">Var::TRUE_VAL</a>, litDecision);</div>
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  }</div>
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  <span class="keywordflow">if</span> (!ret) {</div>
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  cout << d_cnfManager->concreteVar(cIf.<a class="code" href="classSAT_1_1Lit.html#a57e2e6e37cad9595c3edbea88a41262f">getVar</a>()) << <a class="code" href="group__ExprStream__Manip.html#ga05b0ea7353ec24fa8e7e272d7a7875d8" title="Print the end-of-line.">endl</a>;</div>
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(<span class="keyword">false</span>,<span class="stringliteral">"No controlling input found (1)"</span>);</div>
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  } </div>
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  }</div>
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (getValue(cIf) == <a class="code" href="namespaceCVC3.html#a9d68f126b86e6fd08b3bc13a511df9bfafbdc0d362f5bc36703903ef24ebbd30b">Var::TRUE_VAL</a>) {</div>
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  <span class="keywordflow">if</span> (findSplitterRec(cIf, <a class="code" href="namespaceCVC3.html#a9d68f126b86e6fd08b3bc13a511df9bfafbdc0d362f5bc36703903ef24ebbd30b">Var::TRUE_VAL</a>, litDecision)) {</div>
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  <span class="keywordflow">return</span> <span class="keyword">true</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="keywordflow">if</span> (cThen.<a class="code" href="classSAT_1_1Lit.html#a57e2e6e37cad9595c3edbea88a41262f">getVar</a>() != v &&</div>
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  (getValue(cThen) == <a class="code" href="xchaff__base_8h.html#a915d220aba4527d1e33010bdfcbc6855a6ce26a62afab55d7606ad4e92428b30c">Var::UNKNOWN</a> ||</div>
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  getValue(cThen) == <a class="code" href="namespaceCVC3.html#a9d68f126b86e6fd08b3bc13a511df9bfafbdc0d362f5bc36703903ef24ebbd30b">Var::TRUE_VAL</a>) &&</div>
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  findSplitterRec(cThen, <a class="code" href="namespaceCVC3.html#a9d68f126b86e6fd08b3bc13a511df9bfafbdc0d362f5bc36703903ef24ebbd30b">Var::TRUE_VAL</a>, litDecision)) {</div>
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  }</div>
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  }</div>
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  <span class="keywordflow">if</span> (findSplitterRec(cIf, <a class="code" href="namespaceCVC3.html#a9d68f126b86e6fd08b3bc13a511df9bfa047662472190c5c32f81cb409b2139bc">Var::FALSE_VAL</a>, litDecision)) {</div>
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  }</div>
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  <span class="keywordflow">if</span> (cElse.<a class="code" href="classSAT_1_1Lit.html#a57e2e6e37cad9595c3edbea88a41262f">getVar</a>() != v &&</div>
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  (getValue(cElse) == <a class="code" href="xchaff__base_8h.html#a915d220aba4527d1e33010bdfcbc6855a6ce26a62afab55d7606ad4e92428b30c">Var::UNKNOWN</a> ||</div>
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  getValue(cElse) == <a class="code" href="namespaceCVC3.html#a9d68f126b86e6fd08b3bc13a511df9bfafbdc0d362f5bc36703903ef24ebbd30b">Var::TRUE_VAL</a>) &&</div>
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  findSplitterRec(cElse, <a class="code" href="namespaceCVC3.html#a9d68f126b86e6fd08b3bc13a511df9bfafbdc0d362f5bc36703903ef24ebbd30b">Var::TRUE_VAL</a>, litDecision)) {</div>
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</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>  setJustified(varTmp);</div>
<div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  }</div>
<div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  <span class="keywordflow">if</span> (getValue(v) != <a class="code" href="xchaff__base_8h.html#a915d220aba4527d1e33010bdfcbc6855a6ce26a62afab55d7606ad4e92428b30c">Var::UNKNOWN</a>) {</div>
<div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  setJustified(v);</div>
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  }</div>
<div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  *litDecision = <a class="code" href="classSAT_1_1Lit.html">Lit</a>(v, value == <a class="code" href="namespaceCVC3.html#a9d68f126b86e6fd08b3bc13a511df9bfafbdc0d362f5bc36703903ef24ebbd30b">Var::TRUE_VAL</a>);</div>
<div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  }</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> </div>
<div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  <span class="keywordtype">int</span> kind = d_cnfManager->concreteVar(v).getKind();</div>
<div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  <a class="code" href="classSAT_1_1Var.html#ac9cf10f19f5f4d86ad539777fd8ca5ae">Var::Val</a> valHard = <a class="code" href="namespaceCVC3.html#a9d68f126b86e6fd08b3bc13a511df9bfa047662472190c5c32f81cb409b2139bc">Var::FALSE_VAL</a>;</div>
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  <span class="keywordflow">switch</span> (kind) {</div>
<div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  <span class="keywordflow">case</span> <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba865555c9f2e0458a7078486aa1b3254f">AND</a>:</div>
<div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  valHard = <a class="code" href="namespaceCVC3.html#a9d68f126b86e6fd08b3bc13a511df9bfafbdc0d362f5bc36703903ef24ebbd30b">Var::TRUE_VAL</a>;</div>
<div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  <span class="keywordflow">case</span> <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba96727447c0ad447987df1c6415aef074">OR</a>:</div>
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  <span class="keywordflow">if</span> (value == valHard) {</div>
<div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  n = d_cnfManager->numFanins(v);</div>
<div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  <span class="keywordflow">for</span> (i=0; i < n; ++i) {</div>
<div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  litTmp = d_cnfManager->getFanin(v, i);</div>
<div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  <span class="keywordflow">if</span> (findSplitterRec(litTmp, valHard, litDecision)) {</div>
<div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  }</div>
<div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  }</div>
<div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(getValue(v) == valHard, <span class="stringliteral">"Output should be justified"</span>);</div>
<div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  setJustified(v);</div>
<div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  }</div>
<div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  <a class="code" href="classSAT_1_1Var.html#ac9cf10f19f5f4d86ad539777fd8ca5ae">Var::Val</a> valEasy = Var::invertValue(valHard);</div>
<div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  n = d_cnfManager->numFanins(v);</div>
<div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  <span class="keywordflow">for</span> (i=0; i < n; ++i) {</div>
<div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  litTmp = d_cnfManager->getFanin(v, i);</div>
<div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  <span class="keywordflow">if</span> (getValue(litTmp) != valHard) {</div>
<div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  <span class="keywordflow">if</span> (findSplitterRec(litTmp, valEasy, litDecision)) {</div>
<div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  }</div>
<div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(getValue(v) == valEasy, <span class="stringliteral">"Output should be justified"</span>);</div>
<div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  setJustified(v);</div>
<div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  }</div>
<div class="line"><a name="l00489"></a><span class="lineno"> 489</span>  }</div>
<div class="line"><a name="l00490"></a><span class="lineno"> 490</span>  <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(<span class="keyword">false</span>, <span class="stringliteral">"No controlling input found (2)"</span>);</div>
<div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  }</div>
<div class="line"><a name="l00492"></a><span class="lineno"> 492</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00493"></a><span class="lineno"> 493</span>  <span class="keywordflow">case</span> <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba7338bb59b9aa936104a6d2f631d4d8db">IMPLIES</a>:</div>
<div class="line"><a name="l00494"></a><span class="lineno"> 494</span>  <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(d_cnfManager->numFanins(v) == 2, <span class="stringliteral">"Expected 2 fanins"</span>);</div>
<div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  <span class="keywordflow">if</span> (value == <a class="code" href="namespaceCVC3.html#a9d68f126b86e6fd08b3bc13a511df9bfa047662472190c5c32f81cb409b2139bc">Var::FALSE_VAL</a>) {</div>
<div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  litTmp = d_cnfManager->getFanin(v, 0);</div>
<div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  <span class="keywordflow">if</span> (findSplitterRec(litTmp, <a class="code" href="namespaceCVC3.html#a9d68f126b86e6fd08b3bc13a511df9bfafbdc0d362f5bc36703903ef24ebbd30b">Var::TRUE_VAL</a>, litDecision)) {</div>
<div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</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>  litTmp = d_cnfManager->getFanin(v, 1);</div>
<div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  <span class="keywordflow">if</span> (findSplitterRec(litTmp, <a class="code" href="namespaceCVC3.html#a9d68f126b86e6fd08b3bc13a511df9bfa047662472190c5c32f81cb409b2139bc">Var::FALSE_VAL</a>, litDecision)) {</div>
<div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  }</div>
<div class="line"><a name="l00504"></a><span class="lineno"> 504</span>  <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(getValue(v) == <a class="code" href="namespaceCVC3.html#a9d68f126b86e6fd08b3bc13a511df9bfa047662472190c5c32f81cb409b2139bc">Var::FALSE_VAL</a>, <span class="stringliteral">"Output should be justified"</span>);</div>
<div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  setJustified(v);</div>
<div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</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>  <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  litTmp = d_cnfManager->getFanin(v, 0);</div>
<div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  <span class="keywordflow">if</span> (getValue(litTmp) != <a class="code" href="namespaceCVC3.html#a9d68f126b86e6fd08b3bc13a511df9bfafbdc0d362f5bc36703903ef24ebbd30b">Var::TRUE_VAL</a>) {</div>
<div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  <span class="keywordflow">if</span> (findSplitterRec(litTmp, <a class="code" href="namespaceCVC3.html#a9d68f126b86e6fd08b3bc13a511df9bfa047662472190c5c32f81cb409b2139bc">Var::FALSE_VAL</a>, litDecision)) {</div>
<div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00513"></a><span class="lineno"> 513</span>  }</div>
<div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(getValue(v) == <a class="code" href="namespaceCVC3.html#a9d68f126b86e6fd08b3bc13a511df9bfafbdc0d362f5bc36703903ef24ebbd30b">Var::TRUE_VAL</a>, <span class="stringliteral">"Output should be justified"</span>);</div>
<div class="line"><a name="l00515"></a><span class="lineno"> 515</span>  setJustified(v);</div>
<div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00517"></a><span class="lineno"> 517</span>  }</div>
<div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  litTmp = d_cnfManager->getFanin(v, 1);</div>
<div class="line"><a name="l00519"></a><span class="lineno"> 519</span>  <span class="keywordflow">if</span> (getValue(litTmp) != <a class="code" href="namespaceCVC3.html#a9d68f126b86e6fd08b3bc13a511df9bfa047662472190c5c32f81cb409b2139bc">Var::FALSE_VAL</a>) {</div>
<div class="line"><a name="l00520"></a><span class="lineno"> 520</span>  <span class="keywordflow">if</span> (findSplitterRec(litTmp, <a class="code" href="namespaceCVC3.html#a9d68f126b86e6fd08b3bc13a511df9bfafbdc0d362f5bc36703903ef24ebbd30b">Var::TRUE_VAL</a>, litDecision)) {</div>
<div class="line"><a name="l00521"></a><span class="lineno"> 521</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00522"></a><span class="lineno"> 522</span>  }</div>
<div class="line"><a name="l00523"></a><span class="lineno"> 523</span>  <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(getValue(v) == <a class="code" href="namespaceCVC3.html#a9d68f126b86e6fd08b3bc13a511df9bfafbdc0d362f5bc36703903ef24ebbd30b">Var::TRUE_VAL</a>, <span class="stringliteral">"Output should be justified"</span>);</div>
<div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  setJustified(v);</div>
<div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00526"></a><span class="lineno"> 526</span>  }</div>
<div class="line"><a name="l00527"></a><span class="lineno"> 527</span>  <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(<span class="keyword">false</span>, <span class="stringliteral">"No controlling input found (3)"</span>);</div>
<div class="line"><a name="l00528"></a><span class="lineno"> 528</span>  }</div>
<div class="line"><a name="l00529"></a><span class="lineno"> 529</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00530"></a><span class="lineno"> 530</span>  <span class="keywordflow">case</span> <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba527cb185631442655c4486d51522b5a7">IFF</a>: {</div>
<div class="line"><a name="l00531"></a><span class="lineno"> 531</span>  litTmp = d_cnfManager->getFanin(v, 0);</div>
<div class="line"><a name="l00532"></a><span class="lineno"> 532</span>  <a class="code" href="classSAT_1_1Var.html#ac9cf10f19f5f4d86ad539777fd8ca5ae">Var::Val</a> val = getValue(litTmp);</div>
<div class="line"><a name="l00533"></a><span class="lineno"> 533</span>  <span class="keywordflow">if</span> (val != <a class="code" href="xchaff__base_8h.html#a915d220aba4527d1e33010bdfcbc6855a6ce26a62afab55d7606ad4e92428b30c">Var::UNKNOWN</a>) {</div>
<div class="line"><a name="l00534"></a><span class="lineno"> 534</span>  <span class="keywordflow">if</span> (findSplitterRec(litTmp, val, litDecision)) {</div>
<div class="line"><a name="l00535"></a><span class="lineno"> 535</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00536"></a><span class="lineno"> 536</span>  }</div>
<div class="line"><a name="l00537"></a><span class="lineno"> 537</span>  <span class="keywordflow">if</span> (value == <a class="code" href="namespaceCVC3.html#a9d68f126b86e6fd08b3bc13a511df9bfa047662472190c5c32f81cb409b2139bc">Var::FALSE_VAL</a>) val = Var::invertValue(val);</div>
<div class="line"><a name="l00538"></a><span class="lineno"> 538</span>  litTmp = d_cnfManager->getFanin(v, 1);</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>  <span class="keywordflow">if</span> (findSplitterRec(litTmp, val, litDecision)) {</div>
<div class="line"><a name="l00541"></a><span class="lineno"> 541</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00542"></a><span class="lineno"> 542</span>  }</div>
<div class="line"><a name="l00543"></a><span class="lineno"> 543</span>  <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(getValue(v) == value, <span class="stringliteral">"Output should be justified"</span>);</div>
<div class="line"><a name="l00544"></a><span class="lineno"> 544</span>  setJustified(v);</div>
<div class="line"><a name="l00545"></a><span class="lineno"> 545</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00546"></a><span class="lineno"> 546</span>  }</div>
<div class="line"><a name="l00547"></a><span class="lineno"> 547</span>  <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00548"></a><span class="lineno"> 548</span>  val = getValue(d_cnfManager->getFanin(v, 1));</div>
<div class="line"><a name="l00549"></a><span class="lineno"> 549</span>  <span class="keywordflow">if</span> (val == <a class="code" href="xchaff__base_8h.html#a915d220aba4527d1e33010bdfcbc6855a6ce26a62afab55d7606ad4e92428b30c">Var::UNKNOWN</a>) val = <a class="code" href="namespaceCVC3.html#a9d68f126b86e6fd08b3bc13a511df9bfa047662472190c5c32f81cb409b2139bc">Var::FALSE_VAL</a>;</div>
<div class="line"><a name="l00550"></a><span class="lineno"> 550</span>  <span class="keywordflow">if</span> (value == <a class="code" href="namespaceCVC3.html#a9d68f126b86e6fd08b3bc13a511df9bfa047662472190c5c32f81cb409b2139bc">Var::FALSE_VAL</a>) val = Var::invertValue(val);</div>
<div class="line"><a name="l00551"></a><span class="lineno"> 551</span>  <span class="keywordflow">if</span> (findSplitterRec(litTmp, val, litDecision)) {</div>
<div class="line"><a name="l00552"></a><span class="lineno"> 552</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00553"></a><span class="lineno"> 553</span>  }</div>
<div class="line"><a name="l00554"></a><span class="lineno"> 554</span>  <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(<span class="keyword">false</span>, <span class="stringliteral">"Unable to find controlling input (4)"</span>);</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>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00557"></a><span class="lineno"> 557</span>  }</div>
<div class="line"><a name="l00558"></a><span class="lineno"> 558</span>  <span class="keywordflow">case</span> <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5bac62338ffb5de22369c75caa565b5da1a">XOR</a>: {</div>
<div class="line"><a name="l00559"></a><span class="lineno"> 559</span>  litTmp = d_cnfManager->getFanin(v, 0);</div>
<div class="line"><a name="l00560"></a><span class="lineno"> 560</span>  <a class="code" href="classSAT_1_1Var.html#ac9cf10f19f5f4d86ad539777fd8ca5ae">Var::Val</a> val = getValue(litTmp);</div>
<div class="line"><a name="l00561"></a><span class="lineno"> 561</span>  <span class="keywordflow">if</span> (val != <a class="code" href="xchaff__base_8h.html#a915d220aba4527d1e33010bdfcbc6855a6ce26a62afab55d7606ad4e92428b30c">Var::UNKNOWN</a>) {</div>
<div class="line"><a name="l00562"></a><span class="lineno"> 562</span>  <span class="keywordflow">if</span> (findSplitterRec(litTmp, val, litDecision)) {</div>
<div class="line"><a name="l00563"></a><span class="lineno"> 563</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00564"></a><span class="lineno"> 564</span>  }</div>
<div class="line"><a name="l00565"></a><span class="lineno"> 565</span>  <span class="keywordflow">if</span> (value == <a class="code" href="namespaceCVC3.html#a9d68f126b86e6fd08b3bc13a511df9bfafbdc0d362f5bc36703903ef24ebbd30b">Var::TRUE_VAL</a>) val = Var::invertValue(val);</div>
<div class="line"><a name="l00566"></a><span class="lineno"> 566</span>  litTmp = d_cnfManager->getFanin(v, 1);</div>
<div class="line"><a name="l00567"></a><span class="lineno"> 567</span>  <span class="keywordflow">if</span> (findSplitterRec(litTmp, val, litDecision)) {</div>
<div class="line"><a name="l00568"></a><span class="lineno"> 568</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00569"></a><span class="lineno"> 569</span>  }</div>
<div class="line"><a name="l00570"></a><span class="lineno"> 570</span>  <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(getValue(v) == value, <span class="stringliteral">"Output should be justified"</span>);</div>
<div class="line"><a name="l00571"></a><span class="lineno"> 571</span>  setJustified(v);</div>
<div class="line"><a name="l00572"></a><span class="lineno"> 572</span>  <span class="keywordflow">return</span> <span class="keyword">false</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>  <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00575"></a><span class="lineno"> 575</span>  val = getValue(d_cnfManager->getFanin(v, 1));</div>
<div class="line"><a name="l00576"></a><span class="lineno"> 576</span>  <span class="keywordflow">if</span> (val == <a class="code" href="xchaff__base_8h.html#a915d220aba4527d1e33010bdfcbc6855a6ce26a62afab55d7606ad4e92428b30c">Var::UNKNOWN</a>) val = <a class="code" href="namespaceCVC3.html#a9d68f126b86e6fd08b3bc13a511df9bfa047662472190c5c32f81cb409b2139bc">Var::FALSE_VAL</a>;</div>
<div class="line"><a name="l00577"></a><span class="lineno"> 577</span>  <span class="keywordflow">if</span> (value == <a class="code" href="namespaceCVC3.html#a9d68f126b86e6fd08b3bc13a511df9bfafbdc0d362f5bc36703903ef24ebbd30b">Var::TRUE_VAL</a>) val = Var::invertValue(val);</div>
<div class="line"><a name="l00578"></a><span class="lineno"> 578</span>  <span class="keywordflow">if</span> (findSplitterRec(litTmp, val, litDecision)) {</div>
<div class="line"><a name="l00579"></a><span class="lineno"> 579</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00580"></a><span class="lineno"> 580</span>  }</div>
<div class="line"><a name="l00581"></a><span class="lineno"> 581</span>  <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(<span class="keyword">false</span>, <span class="stringliteral">"Unable to find controlling input (5)"</span>);</div>
<div class="line"><a name="l00582"></a><span class="lineno"> 582</span>  }</div>
<div class="line"><a name="l00583"></a><span class="lineno"> 583</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00584"></a><span class="lineno"> 584</span>  }</div>
<div class="line"><a name="l00585"></a><span class="lineno"> 585</span>  <span class="keywordflow">case</span> <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba3a4cfaf3eae8eac1dc2fd27d9f0994dc">ITE</a>: {</div>
<div class="line"><a name="l00586"></a><span class="lineno"> 586</span>  <a class="code" href="classSAT_1_1Lit.html">Lit</a> cIf = d_cnfManager->getFanin(v, 0);</div>
<div class="line"><a name="l00587"></a><span class="lineno"> 587</span>  <a class="code" href="classSAT_1_1Lit.html">Lit</a> cThen = d_cnfManager->getFanin(v, 1);</div>
<div class="line"><a name="l00588"></a><span class="lineno"> 588</span>  <a class="code" href="classSAT_1_1Lit.html">Lit</a> cElse = d_cnfManager->getFanin(v, 2);</div>
<div class="line"><a name="l00589"></a><span class="lineno"> 589</span>  <span class="keywordflow">if</span> (getValue(cIf) == <a class="code" href="xchaff__base_8h.html#a915d220aba4527d1e33010bdfcbc6855a6ce26a62afab55d7606ad4e92428b30c">Var::UNKNOWN</a>) {</div>
<div class="line"><a name="l00590"></a><span class="lineno"> 590</span>  <span class="keywordflow">if</span> (getValue(cElse) == value ||</div>
<div class="line"><a name="l00591"></a><span class="lineno"> 591</span>  getValue(cThen) == Var::invertValue(value)) {</div>
<div class="line"><a name="l00592"></a><span class="lineno"> 592</span>  ret = findSplitterRec(cIf, <a class="code" href="namespaceCVC3.html#a9d68f126b86e6fd08b3bc13a511df9bfa047662472190c5c32f81cb409b2139bc">Var::FALSE_VAL</a>, litDecision);</div>
<div class="line"><a name="l00593"></a><span class="lineno"> 593</span>  }</div>
<div class="line"><a name="l00594"></a><span class="lineno"> 594</span>  <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00595"></a><span class="lineno"> 595</span>  ret = findSplitterRec(cIf, <a class="code" href="namespaceCVC3.html#a9d68f126b86e6fd08b3bc13a511df9bfafbdc0d362f5bc36703903ef24ebbd30b">Var::TRUE_VAL</a>, litDecision);</div>
<div class="line"><a name="l00596"></a><span class="lineno"> 596</span>  }</div>
<div class="line"><a name="l00597"></a><span class="lineno"> 597</span>  <span class="keywordflow">if</span> (!ret) {</div>
<div class="line"><a name="l00598"></a><span class="lineno"> 598</span>  cout << d_cnfManager->concreteVar(cIf.<a class="code" href="classSAT_1_1Lit.html#a57e2e6e37cad9595c3edbea88a41262f">getVar</a>()) << <a class="code" href="group__ExprStream__Manip.html#ga05b0ea7353ec24fa8e7e272d7a7875d8" title="Print the end-of-line.">endl</a>;</div>
<div class="line"><a name="l00599"></a><span class="lineno"> 599</span>  <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(<span class="keyword">false</span>,<span class="stringliteral">"No controlling input found (6)"</span>);</div>
<div class="line"><a name="l00600"></a><span class="lineno"> 600</span>  } </div>
<div class="line"><a name="l00601"></a><span class="lineno"> 601</span>  <span class="keywordflow">return</span> <span class="keyword">true</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>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (getValue(cIf) == <a class="code" href="namespaceCVC3.html#a9d68f126b86e6fd08b3bc13a511df9bfafbdc0d362f5bc36703903ef24ebbd30b">Var::TRUE_VAL</a>) {</div>
<div class="line"><a name="l00604"></a><span class="lineno"> 604</span>  <span class="keywordflow">if</span> (findSplitterRec(cIf, <a class="code" href="namespaceCVC3.html#a9d68f126b86e6fd08b3bc13a511df9bfafbdc0d362f5bc36703903ef24ebbd30b">Var::TRUE_VAL</a>, litDecision)) {</div>
<div class="line"><a name="l00605"></a><span class="lineno"> 605</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</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> (cThen.<a class="code" href="classSAT_1_1Lit.html#aeb84cef22c7dbf459f95dff9b7cbb4a7">isVar</a>() && cThen.<a class="code" href="classSAT_1_1Lit.html#a57e2e6e37cad9595c3edbea88a41262f">getVar</a>() != v &&</div>
<div class="line"><a name="l00608"></a><span class="lineno"> 608</span>  (getValue(cThen) == <a class="code" href="xchaff__base_8h.html#a915d220aba4527d1e33010bdfcbc6855a6ce26a62afab55d7606ad4e92428b30c">Var::UNKNOWN</a> ||</div>
<div class="line"><a name="l00609"></a><span class="lineno"> 609</span>  getValue(cThen) == value) &&</div>
<div class="line"><a name="l00610"></a><span class="lineno"> 610</span>  findSplitterRec(cThen, value, litDecision)) {</div>
<div class="line"><a name="l00611"></a><span class="lineno"> 611</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00612"></a><span class="lineno"> 612</span>  }</div>
<div class="line"><a name="l00613"></a><span class="lineno"> 613</span>  }</div>
<div class="line"><a name="l00614"></a><span class="lineno"> 614</span>  <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00615"></a><span class="lineno"> 615</span>  <span class="keywordflow">if</span> (findSplitterRec(cIf, <a class="code" href="namespaceCVC3.html#a9d68f126b86e6fd08b3bc13a511df9bfa047662472190c5c32f81cb409b2139bc">Var::FALSE_VAL</a>, litDecision)) {</div>
<div class="line"><a name="l00616"></a><span class="lineno"> 616</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</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>  <span class="keywordflow">if</span> (cElse.<a class="code" href="classSAT_1_1Lit.html#aeb84cef22c7dbf459f95dff9b7cbb4a7">isVar</a>() && cElse.<a class="code" href="classSAT_1_1Lit.html#a57e2e6e37cad9595c3edbea88a41262f">getVar</a>() != v &&</div>
<div class="line"><a name="l00619"></a><span class="lineno"> 619</span>  (getValue(cElse) == <a class="code" href="xchaff__base_8h.html#a915d220aba4527d1e33010bdfcbc6855a6ce26a62afab55d7606ad4e92428b30c">Var::UNKNOWN</a> ||</div>
<div class="line"><a name="l00620"></a><span class="lineno"> 620</span>  getValue(cElse) == value) &&</div>
<div class="line"><a name="l00621"></a><span class="lineno"> 621</span>  findSplitterRec(cElse, value, litDecision)) {</div>
<div class="line"><a name="l00622"></a><span class="lineno"> 622</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00623"></a><span class="lineno"> 623</span>  }</div>
<div class="line"><a name="l00624"></a><span class="lineno"> 624</span>  }</div>
<div class="line"><a name="l00625"></a><span class="lineno"> 625</span>  <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(getValue(v) == value, <span class="stringliteral">"Output should be justified"</span>);</div>
<div class="line"><a name="l00626"></a><span class="lineno"> 626</span>  setJustified(v);</div>
<div class="line"><a name="l00627"></a><span class="lineno"> 627</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00628"></a><span class="lineno"> 628</span>  }</div>
<div class="line"><a name="l00629"></a><span class="lineno"> 629</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00630"></a><span class="lineno"> 630</span>  <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(<span class="keyword">false</span>, <span class="stringliteral">"Unexpected Boolean operator"</span>);</div>
<div class="line"><a name="l00631"></a><span class="lineno"> 631</span>  <span class="keywordflow">break</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="debug_8h.html#a2637b2fffa22e3c9fad40cda8fcc3bce" title="If something goes horribly wrong, print a message and abort immediately with exit(1).">FatalAssert</a>(<span class="keyword">false</span>, <span class="stringliteral">"Should be unreachable"</span>);</div>
<div class="line"><a name="l00634"></a><span class="lineno"> 634</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</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> </div>
<div class="line"><a name="l00637"></a><span class="lineno"> 637</span> </div>
<div class="line"><a name="l00638"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchSat.html#a720aba611f6cf6fd78bc3a0ede54564b"> 638</a></span> <a class="code" href="namespaceCVC3.html#a060d21b3207cc3471e24f8dbcff3498b">QueryResult</a> SearchSat::check(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& e, <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& result, <span class="keywordtype">bool</span> isRestart)</div>
<div class="line"><a name="l00639"></a><span class="lineno"> 639</span> {</div>
<div class="line"><a name="l00640"></a><span class="lineno"> 640</span>  <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(d_dplltReady, <span class="stringliteral">"SAT solver is not ready"</span>);</div>
<div class="line"><a name="l00641"></a><span class="lineno"> 641</span>  <span class="keywordflow">if</span> (isRestart && d_lastCheck.get().isNull()) {</div>
<div class="line"><a name="l00642"></a><span class="lineno"> 642</span>  <span class="keywordflow">throw</span> <a class="code" href="classCVC3_1_1Exception.html">Exception</a></div>
<div class="line"><a name="l00643"></a><span class="lineno"> 643</span>  (<span class="stringliteral">"restart called without former call to checkValid"</span>);</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>  <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(!d_inCheckSat, <span class="stringliteral">"checkValid should not be called recursively"</span>);</div>
<div class="line"><a name="l00647"></a><span class="lineno"> 647</span>  <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba7fa27e82c6c4f69434225ed81e5d151e">TRACE</a>(<span class="stringliteral">"searchsat"</span>, <span class="stringliteral">"checkValid: "</span>, e, <span class="stringliteral">""</span>);</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>  <span class="keywordflow">if</span> (!e.<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="l00650"></a><span class="lineno"> 650</span>  <span class="keywordflow">throw</span> <a class="code" href="classCVC3_1_1TypecheckException.html">TypecheckException</a></div>
<div class="line"><a name="l00651"></a><span class="lineno"> 651</span>  (<span class="stringliteral">"checking validity of a non-Boolean expression:\n\n "</span></div>
<div class="line"><a name="l00652"></a><span class="lineno"> 652</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="l00653"></a><span class="lineno"> 653</span>  + <span class="stringliteral">"\n\nwhich has the following type:\n\n "</span></div>
<div class="line"><a name="l00654"></a><span class="lineno"> 654</span>  + e.<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#a2f5ce4b1973ec02b2f2b2eba8ce3cc50">toString</a>());</div>
<div class="line"><a name="l00655"></a><span class="lineno"> 655</span> </div>
<div class="line"><a name="l00656"></a><span class="lineno"> 656</span>  <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> e2 = e;</div>
<div class="line"><a name="l00657"></a><span class="lineno"> 657</span> </div>
<div class="line"><a name="l00658"></a><span class="lineno"> 658</span>  <span class="comment">// Set up and quick exits</span></div>
<div class="line"><a name="l00659"></a><span class="lineno"> 659</span>  <span class="keywordflow">if</span> (isRestart) {</div>
<div class="line"><a name="l00660"></a><span class="lineno"> 660</span>  <span class="keywordflow">while</span> (e2.<a class="code" href="group__ExprPkg.html#ga1a898858ccadce833df5a294c7740f11">isNot</a>() && e2[0].<a class="code" href="group__ExprPkg.html#ga1a898858ccadce833df5a294c7740f11">isNot</a>()) e2 = e2[0][0];</div>
<div class="line"><a name="l00661"></a><span class="lineno"> 661</span>  <span class="keywordflow">if</span> (e2.<a class="code" href="group__ExprPkg.html#gadf8596df73fa69ff8e6a22b9321f5c34">isTrue</a>() || (e2.<a class="code" href="group__ExprPkg.html#ga1a898858ccadce833df5a294c7740f11">isNot</a>() && e2[0].<a class="code" href="group__ExprPkg.html#ga6173f64b22cba76472cd0c814bbf6dae">isFalse</a>())) {</div>
<div class="line"><a name="l00662"></a><span class="lineno"> 662</span>  result = d_lastValid;</div>
<div class="line"><a name="l00663"></a><span class="lineno"> 663</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceCVC3.html#a060d21b3207cc3471e24f8dbcff3498baa6ad39c124f561d934d94b371db2d819">INVALID</a>;</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> (e2.<a class="code" href="group__ExprPkg.html#ga6173f64b22cba76472cd0c814bbf6dae">isFalse</a>() || (e2.<a class="code" href="group__ExprPkg.html#ga1a898858ccadce833df5a294c7740f11">isNot</a>() && e2[0].<a class="code" href="group__ExprPkg.html#gadf8596df73fa69ff8e6a22b9321f5c34">isTrue</a>())) {</div>
<div class="line"><a name="l00666"></a><span class="lineno"> 666</span>  <a class="code" href="group__ExprStream__Manip.html#gaddb050a787be87116afc51791293d3be" title="Restore the indentation.">pop</a>();</div>
<div class="line"><a name="l00667"></a><span class="lineno"> 667</span>  <span class="comment">//TODO: real theorem</span></div>
<div class="line"><a name="l00668"></a><span class="lineno"> 668</span>  d_lastValid = d_commonRules->assumpRule(d_lastCheck);</div>
<div class="line"><a name="l00669"></a><span class="lineno"> 669</span>  result = d_lastValid;</div>
<div class="line"><a name="l00670"></a><span class="lineno"> 670</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceCVC3.html#a060d21b3207cc3471e24f8dbcff3498ba24f8f4860dbe6fd65883a9d7cbd2f576">VALID</a>;</div>
<div class="line"><a name="l00671"></a><span class="lineno"> 671</span>  }</div>
<div class="line"><a name="l00672"></a><span class="lineno"> 672</span>  }</div>
<div class="line"><a name="l00673"></a><span class="lineno"> 673</span>  <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00674"></a><span class="lineno"> 674</span>  <span class="keywordflow">if</span> (e.<a class="code" href="group__ExprPkg.html#gadf8596df73fa69ff8e6a22b9321f5c34">isTrue</a>()) {</div>
<div class="line"><a name="l00675"></a><span class="lineno"> 675</span>  d_lastValid = d_commonRules->trueTheorem();</div>
<div class="line"><a name="l00676"></a><span class="lineno"> 676</span>  result = d_lastValid;</div>
<div class="line"><a name="l00677"></a><span class="lineno"> 677</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceCVC3.html#a060d21b3207cc3471e24f8dbcff3498ba24f8f4860dbe6fd65883a9d7cbd2f576">VALID</a>;</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>  <a class="code" href="group__ExprStream__Manip.html#ga2a0348c6d3f94f2f8febc6dd0a9c3218" title="Set the indentation to the current position.">push</a>();</div>
<div class="line"><a name="l00680"></a><span class="lineno"> 680</span>  d_bottomScope = d_core->getCM()->scopeLevel();</div>
<div class="line"><a name="l00681"></a><span class="lineno"> 681</span>  d_prioritySetBottomEntriesSizeStack.push_back(d_prioritySetBottomEntriesSize);</div>
<div class="line"><a name="l00682"></a><span class="lineno"> 682</span>  d_lastCheck = e;</div>
<div class="line"><a name="l00683"></a><span class="lineno"> 683</span>  e2 = !e;</div>
<div class="line"><a name="l00684"></a><span class="lineno"> 684</span>  }</div>
<div class="line"><a name="l00685"></a><span class="lineno"> 685</span> </div>
<div class="line"><a name="l00686"></a><span class="lineno"> 686</span>  <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a> thm;</div>
<div class="line"><a name="l00687"></a><span class="lineno"> 687</span>  <a class="code" href="classSAT_1_1CNF__Formula__Impl.html">CNF_Formula_Impl</a> cnf;</div>
<div class="line"><a name="l00688"></a><span class="lineno"> 688</span>  <a class="code" href="namespaceCVC3.html#a060d21b3207cc3471e24f8dbcff3498b">QueryResult</a> qres;</div>
<div class="line"><a name="l00689"></a><span class="lineno"> 689</span>  d_cnfManager->setBottomScope(d_bottomScope);</div>
<div class="line"><a name="l00690"></a><span class="lineno"> 690</span>  d_dplltReady = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00691"></a><span class="lineno"> 691</span> </div>
<div class="line"><a name="l00692"></a><span class="lineno"> 692</span>  newUserAssumptionInt(e2, cnf, <span class="keyword">true</span>);</div>
<div class="line"><a name="l00693"></a><span class="lineno"> 693</span> </div>
<div class="line"><a name="l00694"></a><span class="lineno"> 694</span>  d_inCheckSat = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00695"></a><span class="lineno"> 695</span>  </div>
<div class="line"><a name="l00696"></a><span class="lineno"> 696</span>  getNewClauses(cnf);</div>
<div class="line"><a name="l00697"></a><span class="lineno"> 697</span> </div>
<div class="line"><a name="l00698"></a><span class="lineno"> 698</span>  <span class="keywordflow">if</span> (!isRestart && d_core->inconsistent()) {</div>
<div class="line"><a name="l00699"></a><span class="lineno"> 699</span>  qres = <a class="code" href="xchaff__solver_8h.html#a259c70233f322b3e490149190b8bb87ba709691b4dfbbba6c6f992a7cd34dd0e9">UNSATISFIABLE</a>;</div>
<div class="line"><a name="l00700"></a><span class="lineno"> 700</span>  thm = d_rules->proofByContradiction(e, d_core->inconsistentThm());</div>
<div class="line"><a name="l00701"></a><span class="lineno"> 701</span>  <a class="code" href="group__ExprStream__Manip.html#gaddb050a787be87116afc51791293d3be" title="Restore the indentation.">pop</a>();</div>
<div class="line"><a name="l00702"></a><span class="lineno"> 702</span>  d_lastValid = thm;</div>
<div class="line"><a name="l00703"></a><span class="lineno"> 703</span>  d_cnfManager->setBottomScope(-1);</div>
<div class="line"><a name="l00704"></a><span class="lineno"> 704</span>  d_inCheckSat = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00705"></a><span class="lineno"> 705</span>  result = d_lastValid;</div>
<div class="line"><a name="l00706"></a><span class="lineno"> 706</span>  <span class="keywordflow">return</span> qres;</div>
<div class="line"><a name="l00707"></a><span class="lineno"> 707</span>  }</div>
<div class="line"><a name="l00708"></a><span class="lineno"> 708</span>  <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00709"></a><span class="lineno"> 709</span>  <span class="comment">// Run DPLLT engine</span></div>
<div class="line"><a name="l00710"></a><span class="lineno"> 710</span>  qres = isRestart ? d_dpllt->continueCheck(cnf) : d_dpllt->checkSat(cnf);</div>
<div class="line"><a name="l00711"></a><span class="lineno"> 711</span>  }</div>
<div class="line"><a name="l00712"></a><span class="lineno"> 712</span> </div>
<div class="line"><a name="l00713"></a><span class="lineno"> 713</span>  <span class="keywordflow">if</span> (qres == <a class="code" href="xchaff__solver_8h.html#a259c70233f322b3e490149190b8bb87ba709691b4dfbbba6c6f992a7cd34dd0e9">UNSATISFIABLE</a>) {</div>
<div class="line"><a name="l00714"></a><span class="lineno"> 714</span>  <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(d_core->getCM()->scopeLevel() == d_bottomScope,</div>
<div class="line"><a name="l00715"></a><span class="lineno"> 715</span>  <span class="stringliteral">"Expected unchanged context after unsat"</span>);</div>
<div class="line"><a name="l00716"></a><span class="lineno"> 716</span>  e2 = d_lastCheck;</div>
<div class="line"><a name="l00717"></a><span class="lineno"> 717</span>  <a class="code" href="group__ExprStream__Manip.html#gaddb050a787be87116afc51791293d3be" title="Restore the indentation.">pop</a>();</div>
<div class="line"><a name="l00718"></a><span class="lineno"> 718</span>  <span class="keywordflow">if</span> (d_core->getTM()->withProof()) {</div>
<div class="line"><a name="l00719"></a><span class="lineno"> 719</span>  <a class="code" href="classCVC3_1_1Proof.html">Proof</a> pf = d_dpllt->getSatProof(d_cnfManager, d_core);</div>
<div class="line"><a name="l00720"></a><span class="lineno"> 720</span>  <span class="comment">// std::cout<<"WITH PROOF:"<<pf<<std::endl;</span></div>
<div class="line"><a name="l00721"></a><span class="lineno"> 721</span>  d_lastValid = d_rules->satProof(e2, pf);</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>  <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00724"></a><span class="lineno"> 724</span>  d_lastValid = d_commonRules->assumpRule(d_lastCheck);</div>
<div class="line"><a name="l00725"></a><span class="lineno"> 725</span>  }</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">else</span> {</div>
<div class="line"><a name="l00728"></a><span class="lineno"> 728</span>  <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(d_lemmasNext == d_lemmas.numClauses(),</div>
<div class="line"><a name="l00729"></a><span class="lineno"> 729</span>  <span class="stringliteral">"Expected no lemmas after satisfiable check"</span>);</div>
<div class="line"><a name="l00730"></a><span class="lineno"> 730</span>  d_dplltReady = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00731"></a><span class="lineno"> 731</span>  d_lastValid = <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>();</div>
<div class="line"><a name="l00732"></a><span class="lineno"> 732</span>  <span class="keywordflow">if</span> (qres == <a class="code" href="xchaff__solver_8h.html#a259c70233f322b3e490149190b8bb87baa6a5c07f8c320f440ebc34fed65eb550">SATISFIABLE</a> && d_core->incomplete()) qres = <a class="code" href="xchaff__base_8h.html#a915d220aba4527d1e33010bdfcbc6855a6ce26a62afab55d7606ad4e92428b30c">UNKNOWN</a>;</div>
<div class="line"><a name="l00733"></a><span class="lineno"> 733</span> </div>
<div class="line"><a name="l00734"></a><span class="lineno"> 734</span> <span class="preprocessor">#ifdef _CVC3_DEBUG_MODE</span></div>
<div class="line"><a name="l00735"></a><span class="lineno"> 735</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00736"></a><span class="lineno"> 736</span>  <span class="keywordflow">if</span>( CVC3::debugger.trace(<span class="stringliteral">"quant debug"</span>) ){</div>
<div class="line"><a name="l00737"></a><span class="lineno"> 737</span>  d_core->theoryOf(<a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba7b7b6f6e2b88589bd4656a14bcb7eb94">FORALL</a>)->debug(1);</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> </div>
<div class="line"><a name="l00741"></a><span class="lineno"> 741</span>  <span class="keywordflow">if</span>( CVC3::debugger.trace(<span class="stringliteral">"sat model unknown"</span>) ){</div>
<div class="line"><a name="l00742"></a><span class="lineno"> 742</span>  std::vector<SAT::Lit> cur_assigns = d_dpllt->getCurAssignments();</div>
<div class="line"><a name="l00743"></a><span class="lineno"> 743</span>  cout<<<span class="stringliteral">"Current assignments"</span><<<a class="code" href="group__ExprStream__Manip.html#ga05b0ea7353ec24fa8e7e272d7a7875d8" title="Print the end-of-line.">endl</a>;</div>
<div class="line"><a name="l00744"></a><span class="lineno"> 744</span>  {</div>
<div class="line"><a name="l00745"></a><span class="lineno"> 745</span>  <span class="keywordflow">for</span>(<span class="keywordtype">size_t</span> i = 0 ; i < cur_assigns.size(); i++){</div>
<div class="line"><a name="l00746"></a><span class="lineno"> 746</span>  <a class="code" href="classSAT_1_1Lit.html">Lit</a> l = cur_assigns[i];</div>
<div class="line"><a name="l00747"></a><span class="lineno"> 747</span>  <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> e = d_cnfManager->concreteLit(l);</div>
<div class="line"><a name="l00748"></a><span class="lineno"> 748</span>  </div>
<div class="line"><a name="l00749"></a><span class="lineno"> 749</span>  <span class="keywordtype">string</span> val = <span class="stringliteral">" := "</span>;</div>
<div class="line"><a name="l00750"></a><span class="lineno"> 750</span>  </div>
<div class="line"><a name="l00751"></a><span class="lineno"> 751</span>  <span class="keywordflow">if</span> (l.<a class="code" href="classSAT_1_1Lit.html#ada14f3ca2b88500b5c2500d60e7f554b">isPositive</a>()) val += <span class="stringliteral">"1"</span>; <span class="keywordflow">else</span> val += <span class="stringliteral">"0"</span>;</div>
<div class="line"><a name="l00752"></a><span class="lineno"> 752</span>  cout<<l.<a class="code" href="classSAT_1_1Lit.html#a57e2e6e37cad9595c3edbea88a41262f">getVar</a>()<<val<<<a class="code" href="group__ExprStream__Manip.html#ga05b0ea7353ec24fa8e7e272d7a7875d8" title="Print the end-of-line.">endl</a>;</div>
<div class="line"><a name="l00753"></a><span class="lineno"> 753</span>  <span class="comment">// cout<<e<<endl;</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>  }</div>
<div class="line"><a name="l00756"></a><span class="lineno"> 756</span>  }</div>
<div class="line"><a name="l00757"></a><span class="lineno"> 757</span>  </div>
<div class="line"><a name="l00758"></a><span class="lineno"> 758</span>  </div>
<div class="line"><a name="l00759"></a><span class="lineno"> 759</span>  std::vector< std::vector<SAT::Lit> > cur_clauses = d_dpllt->getCurClauses();</div>
<div class="line"><a name="l00760"></a><span class="lineno"> 760</span>  cout<<<span class="stringliteral">"Current Clauses"</span><<<a class="code" href="group__ExprStream__Manip.html#ga05b0ea7353ec24fa8e7e272d7a7875d8" title="Print the end-of-line.">endl</a>;</div>
<div class="line"><a name="l00761"></a><span class="lineno"> 761</span>  {</div>
<div class="line"><a name="l00762"></a><span class="lineno"> 762</span>  <span class="keywordflow">for</span>(<span class="keywordtype">size_t</span> i = 0 ; i < cur_clauses.size(); i++){</div>
<div class="line"><a name="l00763"></a><span class="lineno"> 763</span>  <span class="comment">// cout<<"clause "<<i<<"================="<<endl;</span></div>
<div class="line"><a name="l00764"></a><span class="lineno"> 764</span>  <span class="keywordflow">for</span>(<span class="keywordtype">size_t</span> j = 0; j < cur_clauses[i].size(); j++){</div>
<div class="line"><a name="l00765"></a><span class="lineno"> 765</span>  </div>
<div class="line"><a name="l00766"></a><span class="lineno"> 766</span>  <a class="code" href="classSAT_1_1Lit.html">Lit</a> l = cur_clauses[i][j];</div>
<div class="line"><a name="l00767"></a><span class="lineno"> 767</span>  <span class="keywordtype">string</span> val ;</div>
<div class="line"><a name="l00768"></a><span class="lineno"> 768</span>  <span class="keywordflow">if</span> (l.<a class="code" href="classSAT_1_1Lit.html#ada14f3ca2b88500b5c2500d60e7f554b">isPositive</a>()) val += <span class="stringliteral">"+"</span>; <span class="keywordflow">else</span> val += <span class="stringliteral">"-"</span>;</div>
<div class="line"><a name="l00769"></a><span class="lineno"> 769</span>  cout<<val<<l.<a class="code" href="classSAT_1_1Lit.html#a57e2e6e37cad9595c3edbea88a41262f">getVar</a>()<<<span class="stringliteral">" "</span>;</div>
<div class="line"><a name="l00770"></a><span class="lineno"> 770</span>  }</div>
<div class="line"><a name="l00771"></a><span class="lineno"> 771</span>  cout<<<a class="code" href="group__ExprStream__Manip.html#ga05b0ea7353ec24fa8e7e272d7a7875d8" title="Print the end-of-line.">endl</a>;</div>
<div class="line"><a name="l00772"></a><span class="lineno"> 772</span>  }</div>
<div class="line"><a name="l00773"></a><span class="lineno"> 773</span>  }</div>
<div class="line"><a name="l00774"></a><span class="lineno"> 774</span>  }</div>
<div class="line"><a name="l00775"></a><span class="lineno"> 775</span>  </div>
<div class="line"><a name="l00776"></a><span class="lineno"> 776</span>  <span class="keywordflow">if</span>( CVC3::debugger.trace(<span class="stringliteral">"model unknown"</span>) ){</div>
<div class="line"><a name="l00777"></a><span class="lineno"> 777</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1CDList.html">CDList<Expr></a>& allterms = d_core->getTerms();</div>
<div class="line"><a name="l00778"></a><span class="lineno"> 778</span>  cout<<<span class="stringliteral">"===========terms begin=========="</span><<<a class="code" href="group__ExprStream__Manip.html#ga05b0ea7353ec24fa8e7e272d7a7875d8" title="Print the end-of-line.">endl</a>;</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>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i=0; i<allterms.<a class="code" href="classCVC3_1_1CDList.html#adf92d0f391d73e7ac70da57db135af27">size</a>(); i++){</div>
<div class="line"><a name="l00781"></a><span class="lineno"> 781</span>  <span class="comment">// cout<<"i="<<i<<" :"<<allterms[i].getFindLevel()<<":"<<d_core->simplifyExpr(allterms[i])<<"|"<<allterms[i]<<endl;</span></div>
<div class="line"><a name="l00782"></a><span class="lineno"> 782</span>  cout<<<span class="stringliteral">"i="</span><<i<<<span class="stringliteral">" :"</span><<allterms[i].getFindLevel()<<<span class="stringliteral">":"</span><<d_core->simplifyExpr(allterms[i])<<<span class="stringliteral">"|"</span><<allterms[i]<<<a class="code" href="group__ExprStream__Manip.html#ga05b0ea7353ec24fa8e7e272d7a7875d8" title="Print the end-of-line.">endl</a>;</div>
<div class="line"><a name="l00783"></a><span class="lineno"> 783</span> </div>
<div class="line"><a name="l00784"></a><span class="lineno"> 784</span>  <span class="comment">//<<" and type is "<<allterms[i].getType() </span></div>
<div class="line"><a name="l00785"></a><span class="lineno"> 785</span>  <span class="comment">// << " and kind is" << allterms[i].getEM()->getKindName(allterms[i].getKind())<<endl;</span></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>  cout<<<span class="stringliteral">"-----------term end ---------"</span><<<a class="code" href="group__ExprStream__Manip.html#ga05b0ea7353ec24fa8e7e272d7a7875d8" title="Print the end-of-line.">endl</a>;</div>
<div class="line"><a name="l00788"></a><span class="lineno"> 788</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1CDList.html">CDList<Expr></a>& allpreds = d_core->getPredicates();</div>
<div class="line"><a name="l00789"></a><span class="lineno"> 789</span>  cout<<<span class="stringliteral">"===========pred begin=========="</span><<<a class="code" href="group__ExprStream__Manip.html#ga05b0ea7353ec24fa8e7e272d7a7875d8" title="Print the end-of-line.">endl</a>;</div>
<div class="line"><a name="l00790"></a><span class="lineno"> 790</span>  </div>
<div class="line"><a name="l00791"></a><span class="lineno"> 791</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i=0; i<allpreds.<a class="code" href="classCVC3_1_1CDList.html#adf92d0f391d73e7ac70da57db135af27">size</a>(); i++){</div>
<div class="line"><a name="l00792"></a><span class="lineno"> 792</span>  <span class="keywordflow">if</span>(allpreds[i].hasFind()){</div>
<div class="line"><a name="l00793"></a><span class="lineno"> 793</span>  <span class="keywordflow">if</span>( (d_core->findExpr(allpreds[i])).isTrue()){</div>
<div class="line"><a name="l00794"></a><span class="lineno"> 794</span>  cout<<<span class="stringliteral">"ASSERT "</span><< allpreds[i] <<<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="l00795"></a><span class="lineno"> 795</span>  }</div>
<div class="line"><a name="l00796"></a><span class="lineno"> 796</span>  <span class="keywordflow">else</span>{</div>
<div class="line"><a name="l00797"></a><span class="lineno"> 797</span>  cout<<<span class="stringliteral">"ASSERT NOT("</span><< allpreds[i] <<<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="l00798"></a><span class="lineno"> 798</span>  }</div>
<div class="line"><a name="l00799"></a><span class="lineno"> 799</span>  <span class="comment">// cout<<"i="<<i<<" :";</span></div>
<div class="line"><a name="l00800"></a><span class="lineno"> 800</span>  <span class="comment">// cout<<allpreds[i].getFindLevel();</span></div>
<div class="line"><a name="l00801"></a><span class="lineno"> 801</span>  <span class="comment">// cout<<":"<<d_core->findExpr(allpreds[i])<<"|"<<allpreds[i]<<endl;</span></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="comment">// else cout<<"U "<<endl;;</span></div>
<div class="line"><a name="l00804"></a><span class="lineno"> 804</span> </div>
<div class="line"><a name="l00805"></a><span class="lineno"> 805</span> </div>
<div class="line"><a name="l00806"></a><span class="lineno"> 806</span>  <span class="comment">//" and type is "<<allpreds[i].getType() </span></div>
<div class="line"><a name="l00807"></a><span class="lineno"> 807</span>  <span class="comment">// << " and kind is" << allpreds[i].getEM()->getKindName(allpreds[i].getKind())<<endl;</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>  cout<<<span class="stringliteral">"-----------end----------pred"</span><<<a class="code" href="group__ExprStream__Manip.html#ga05b0ea7353ec24fa8e7e272d7a7875d8" title="Print the end-of-line.">endl</a>;</div>
<div class="line"><a name="l00810"></a><span class="lineno"> 810</span>  }</div>
<div class="line"><a name="l00811"></a><span class="lineno"> 811</span> </div>
<div class="line"><a name="l00812"></a><span class="lineno"> 812</span>  <span class="keywordflow">if</span>( CVC3::debugger.trace(<span class="stringliteral">"model unknown quant"</span>) ){</div>
<div class="line"><a name="l00813"></a><span class="lineno"> 813</span>  cout<<<span class="stringliteral">"=========== quant pred begin=========="</span><<<a class="code" href="group__ExprStream__Manip.html#ga05b0ea7353ec24fa8e7e272d7a7875d8" title="Print the end-of-line.">endl</a>;</div>
<div class="line"><a name="l00814"></a><span class="lineno"> 814</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1CDList.html">CDList<Expr></a>& allpreds = d_core->getPredicates();</div>
<div class="line"><a name="l00815"></a><span class="lineno"> 815</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i=0; i<allpreds.<a class="code" href="classCVC3_1_1CDList.html#adf92d0f391d73e7ac70da57db135af27">size</a>(); i++){</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>  <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> cur = allpreds[i];</div>
<div class="line"><a name="l00818"></a><span class="lineno"> 818</span>  <span class="keywordflow">if</span>(cur.<a class="code" href="group__ExprPkg.html#gaad6095e1d8b1551a006602d9421fb988">isForall</a>() || cur.<a class="code" href="group__ExprPkg.html#ga1c922163af59ed6bc101728d65e04d16">isExists</a>() || (cur.<a class="code" href="group__ExprPkg.html#ga1a898858ccadce833df5a294c7740f11">isNot</a>() && (cur[0].<a class="code" href="group__ExprPkg.html#gaad6095e1d8b1551a006602d9421fb988">isForall</a>()||cur[0].<a class="code" href="group__ExprPkg.html#ga1c922163af59ed6bc101728d65e04d16">isExists</a>()))){</div>
<div class="line"><a name="l00819"></a><span class="lineno"> 819</span>  <span class="keywordflow">if</span>(allpreds[i].hasFind()) {</div>
<div class="line"><a name="l00820"></a><span class="lineno"> 820</span>  cout<<<span class="stringliteral">"i="</span><<i<<<span class="stringliteral">" :"</span>;</div>
<div class="line"><a name="l00821"></a><span class="lineno"> 821</span>  cout<<allpreds[i].getFindLevel();</div>
<div class="line"><a name="l00822"></a><span class="lineno"> 822</span>  cout<<<span class="stringliteral">":"</span><<d_core->findExpr(allpreds[i])<<<span class="stringliteral">"|"</span><<allpreds[i]<<<a class="code" href="group__ExprStream__Manip.html#ga05b0ea7353ec24fa8e7e272d7a7875d8" title="Print the end-of-line.">endl</a>;</div>
<div class="line"><a name="l00823"></a><span class="lineno"> 823</span>  }</div>
<div class="line"><a name="l00824"></a><span class="lineno"> 824</span>  }</div>
<div class="line"><a name="l00825"></a><span class="lineno"> 825</span>  }</div>
<div class="line"><a name="l00826"></a><span class="lineno"> 826</span>  cout<<<span class="stringliteral">"-----------end----------pred"</span><<<a class="code" href="group__ExprStream__Manip.html#ga05b0ea7353ec24fa8e7e272d7a7875d8" title="Print the end-of-line.">endl</a>;</div>
<div class="line"><a name="l00827"></a><span class="lineno"> 827</span>  }</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>  <span class="keywordflow">if</span>( CVC3::debugger.trace(<span class="stringliteral">"model unknown nonquant"</span>) ){</div>
<div class="line"><a name="l00830"></a><span class="lineno"> 830</span>  cout<<<span class="stringliteral">"=========== quant pred begin=========="</span><<<a class="code" href="group__ExprStream__Manip.html#ga05b0ea7353ec24fa8e7e272d7a7875d8" title="Print the end-of-line.">endl</a>;</div>
<div class="line"><a name="l00831"></a><span class="lineno"> 831</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1CDList.html">CDList<Expr></a>& allpreds = d_core->getPredicates();</div>
<div class="line"><a name="l00832"></a><span class="lineno"> 832</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i=0; i<allpreds.<a class="code" href="classCVC3_1_1CDList.html#adf92d0f391d73e7ac70da57db135af27">size</a>(); i++){</div>
<div class="line"><a name="l00833"></a><span class="lineno"> 833</span> </div>
<div class="line"><a name="l00834"></a><span class="lineno"> 834</span>  <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> cur = allpreds[i];</div>
<div class="line"><a name="l00835"></a><span class="lineno"> 835</span>  <span class="keywordflow">if</span>(cur.<a class="code" href="group__ExprPkg.html#gaad6095e1d8b1551a006602d9421fb988">isForall</a>() || cur.<a class="code" href="group__ExprPkg.html#ga1c922163af59ed6bc101728d65e04d16">isExists</a>() || </div>
<div class="line"><a name="l00836"></a><span class="lineno"> 836</span>  (cur.<a class="code" href="group__ExprPkg.html#ga1a898858ccadce833df5a294c7740f11">isNot</a>() && (cur[0].<a class="code" href="group__ExprPkg.html#gaad6095e1d8b1551a006602d9421fb988">isForall</a>()||cur[0].<a class="code" href="group__ExprPkg.html#ga1c922163af59ed6bc101728d65e04d16">isExists</a>())) ||</div>
<div class="line"><a name="l00837"></a><span class="lineno"> 837</span>  cur.<a class="code" href="group__ExprPkg.html#gac4af2026c180da0f18d66ac616f61f3a">isEq</a>() || </div>
<div class="line"><a name="l00838"></a><span class="lineno"> 838</span>  (cur.<a class="code" href="group__ExprPkg.html#ga1a898858ccadce833df5a294c7740f11">isNot</a>() && cur[0].<a class="code" href="group__ExprPkg.html#gac4af2026c180da0f18d66ac616f61f3a">isEq</a>())){</div>
<div class="line"><a name="l00839"></a><span class="lineno"> 839</span>  }</div>
<div class="line"><a name="l00840"></a><span class="lineno"> 840</span>  <span class="keywordflow">else</span>{</div>
<div class="line"><a name="l00841"></a><span class="lineno"> 841</span>  <span class="keywordflow">if</span>(allpreds[i].hasFind()) {</div>
<div class="line"><a name="l00842"></a><span class="lineno"> 842</span>  cout<<<span class="stringliteral">"i="</span><<i<<<span class="stringliteral">" :"</span>;</div>
<div class="line"><a name="l00843"></a><span class="lineno"> 843</span>  cout<<allpreds[i].getFindLevel();</div>
<div class="line"><a name="l00844"></a><span class="lineno"> 844</span>  cout<<<span class="stringliteral">":"</span><<d_core->findExpr(allpreds[i])<<<span class="stringliteral">"|"</span><<allpreds[i]<<<a class="code" href="group__ExprStream__Manip.html#ga05b0ea7353ec24fa8e7e272d7a7875d8" title="Print the end-of-line.">endl</a>;</div>
<div class="line"><a name="l00845"></a><span class="lineno"> 845</span>  }</div>
<div class="line"><a name="l00846"></a><span class="lineno"> 846</span>  }</div>
<div class="line"><a name="l00847"></a><span class="lineno"> 847</span>  }</div>
<div class="line"><a name="l00848"></a><span class="lineno"> 848</span>  cout<<<span class="stringliteral">"-----------end----------pred"</span><<<a class="code" href="group__ExprStream__Manip.html#ga05b0ea7353ec24fa8e7e272d7a7875d8" title="Print the end-of-line.">endl</a>;</div>
<div class="line"><a name="l00849"></a><span class="lineno"> 849</span>  }</div>
<div class="line"><a name="l00850"></a><span class="lineno"> 850</span> </div>
<div class="line"><a name="l00851"></a><span class="lineno"> 851</span>  <span class="keywordflow">if</span>( CVC3::debugger.trace(<span class="stringliteral">"unknown state"</span>) ){</div>
<div class="line"><a name="l00852"></a><span class="lineno"> 852</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1CDList.html">CDList<Expr></a>& allpreds = d_core->getPredicates();</div>
<div class="line"><a name="l00853"></a><span class="lineno"> 853</span>  cout<<<span class="stringliteral">"===========pred begin=========="</span><<<a class="code" href="group__ExprStream__Manip.html#ga05b0ea7353ec24fa8e7e272d7a7875d8" title="Print the end-of-line.">endl</a>;</div>
<div class="line"><a name="l00854"></a><span class="lineno"> 854</span>  </div>
<div class="line"><a name="l00855"></a><span class="lineno"> 855</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i=0; i<allpreds.<a class="code" href="classCVC3_1_1CDList.html#adf92d0f391d73e7ac70da57db135af27">size</a>(); i++){</div>
<div class="line"><a name="l00856"></a><span class="lineno"> 856</span>  <span class="keywordflow">if</span>(allpreds[i].hasFind()){</div>
<div class="line"><a name="l00857"></a><span class="lineno"> 857</span>  <span class="comment">// Expr cur(allpreds[i]);</span></div>
<div class="line"><a name="l00858"></a><span class="lineno"> 858</span> <span class="comment">// if(cur.isForall() || cur.isExists() || </span></div>
<div class="line"><a name="l00859"></a><span class="lineno"> 859</span> <span class="comment">// (cur.isNot() && (cur[0].isForall()||cur[0].isExists()))</span></div>
<div class="line"><a name="l00860"></a><span class="lineno"> 860</span> <span class="comment">// ){</span></div>
<div class="line"><a name="l00861"></a><span class="lineno"> 861</span> <span class="comment">// continue;</span></div>
<div class="line"><a name="l00862"></a><span class="lineno"> 862</span> <span class="comment">// }</span></div>
<div class="line"><a name="l00863"></a><span class="lineno"> 863</span>  </div>
<div class="line"><a name="l00864"></a><span class="lineno"> 864</span>  <span class="keywordflow">if</span>( (d_core->findExpr(allpreds[i])).isTrue()){</div>
<div class="line"><a name="l00865"></a><span class="lineno"> 865</span>  cout<<<span class="stringliteral">":assumption "</span><< allpreds[i] <<<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="l00866"></a><span class="lineno"> 866</span>  }</div>
<div class="line"><a name="l00867"></a><span class="lineno"> 867</span>  <span class="keywordflow">else</span>{</div>
<div class="line"><a name="l00868"></a><span class="lineno"> 868</span>  cout<<<span class="stringliteral">":assumption(not "</span><< allpreds[i] <<<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="l00869"></a><span class="lineno"> 869</span>  }</div>
<div class="line"><a name="l00870"></a><span class="lineno"> 870</span>  <span class="comment">// cout<<"i="<<i<<" :";</span></div>
<div class="line"><a name="l00871"></a><span class="lineno"> 871</span>  <span class="comment">// cout<<allpreds[i].getFindLevel();</span></div>
<div class="line"><a name="l00872"></a><span class="lineno"> 872</span>  <span class="comment">// cout<<":"<<d_core->findExpr(allpreds[i])<<"|"<<allpreds[i]<<endl;</span></div>
<div class="line"><a name="l00873"></a><span class="lineno"> 873</span>  }</div>
<div class="line"><a name="l00874"></a><span class="lineno"> 874</span>  <span class="comment">// else cout<<"U "<<endl;;</span></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="comment">//" and type is "<<allpreds[i].getType() </span></div>
<div class="line"><a name="l00878"></a><span class="lineno"> 878</span>  <span class="comment">// << " and kind is" << allpreds[i].getEM()->getKindName(allpreds[i].getKind())<<endl;</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>  cout<<<span class="stringliteral">"-----------end----------pred"</span><<<a class="code" href="group__ExprStream__Manip.html#ga05b0ea7353ec24fa8e7e272d7a7875d8" title="Print the end-of-line.">endl</a>;</div>
<div class="line"><a name="l00881"></a><span class="lineno"> 881</span>  }</div>
<div class="line"><a name="l00882"></a><span class="lineno"> 882</span> </div>
<div class="line"><a name="l00883"></a><span class="lineno"> 883</span>  <span class="keywordflow">if</span>( CVC3::debugger.trace(<span class="stringliteral">"unknown state noforall"</span>) ){</div>
<div class="line"><a name="l00884"></a><span class="lineno"> 884</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1CDList.html">CDList<Expr></a>& allpreds = d_core->getPredicates();</div>
<div class="line"><a name="l00885"></a><span class="lineno"> 885</span>  cout<<<span class="stringliteral">"===========pred begin=========="</span><<<a class="code" href="group__ExprStream__Manip.html#ga05b0ea7353ec24fa8e7e272d7a7875d8" title="Print the end-of-line.">endl</a>;</div>
<div class="line"><a name="l00886"></a><span class="lineno"> 886</span>  </div>
<div class="line"><a name="l00887"></a><span class="lineno"> 887</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i=0; i<allpreds.<a class="code" href="classCVC3_1_1CDList.html#adf92d0f391d73e7ac70da57db135af27">size</a>(); i++){</div>
<div class="line"><a name="l00888"></a><span class="lineno"> 888</span>  <span class="keywordflow">if</span>(allpreds[i].hasFind()){</div>
<div class="line"><a name="l00889"></a><span class="lineno"> 889</span>  <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> cur(allpreds[i]);</div>
<div class="line"><a name="l00890"></a><span class="lineno"> 890</span> <span class="comment">// if(cur.isForall() || cur.isExists() || </span></div>
<div class="line"><a name="l00891"></a><span class="lineno"> 891</span> <span class="comment">// (cur.isNot() && (cur[0].isForall()||cur[0].isExists()))</span></div>
<div class="line"><a name="l00892"></a><span class="lineno"> 892</span> <span class="comment">// ){</span></div>
<div class="line"><a name="l00893"></a><span class="lineno"> 893</span> <span class="comment">// continue;</span></div>
<div class="line"><a name="l00894"></a><span class="lineno"> 894</span> <span class="comment">// }</span></div>
<div class="line"><a name="l00895"></a><span class="lineno"> 895</span> </div>
<div class="line"><a name="l00896"></a><span class="lineno"> 896</span>  <span class="keywordflow">if</span>( (d_core->findExpr(allpreds[i])).isTrue()){</div>
<div class="line"><a name="l00897"></a><span class="lineno"> 897</span> <span class="comment">// if(cur.isExists()){</span></div>
<div class="line"><a name="l00898"></a><span class="lineno"> 898</span> <span class="comment">// continue;</span></div>
<div class="line"><a name="l00899"></a><span class="lineno"> 899</span> <span class="comment">// }</span></div>
<div class="line"><a name="l00900"></a><span class="lineno"> 900</span>  cout<<<span class="stringliteral">"ASSERT "</span><< allpreds[i] <<<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="l00901"></a><span class="lineno"> 901</span> <span class="comment">// cout<<":assumption "<< allpreds[i] <<"" <<endl;</span></div>
<div class="line"><a name="l00902"></a><span class="lineno"> 902</span>  }</div>
<div class="line"><a name="l00903"></a><span class="lineno"> 903</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( (d_core->findExpr(allpreds[i])).isFalse()){</div>
<div class="line"><a name="l00904"></a><span class="lineno"> 904</span> <span class="comment">// if (cur.isForall()){</span></div>
<div class="line"><a name="l00905"></a><span class="lineno"> 905</span> <span class="comment">// continue;</span></div>
<div class="line"><a name="l00906"></a><span class="lineno"> 906</span> <span class="comment">// }</span></div>
<div class="line"><a name="l00907"></a><span class="lineno"> 907</span>  cout<<<span class="stringliteral">"ASSERT (NOT "</span><< allpreds[i] <<<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="l00908"></a><span class="lineno"> 908</span> <span class="comment">// cout<<":assumption(not "<< allpreds[i] <<")" <<endl;</span></div>
<div class="line"><a name="l00909"></a><span class="lineno"> 909</span>  }</div>
<div class="line"><a name="l00910"></a><span class="lineno"> 910</span>  <span class="keywordflow">else</span>{</div>
<div class="line"><a name="l00911"></a><span class="lineno"> 911</span>  cout<<<span class="stringliteral">"--ERROR"</span><<<a class="code" href="group__ExprStream__Manip.html#ga05b0ea7353ec24fa8e7e272d7a7875d8" title="Print the end-of-line.">endl</a>;</div>
<div class="line"><a name="l00912"></a><span class="lineno"> 912</span>  }</div>
<div class="line"><a name="l00913"></a><span class="lineno"> 913</span>  <span class="comment">// cout<<"i="<<i<<" :";</span></div>
<div class="line"><a name="l00914"></a><span class="lineno"> 914</span>  <span class="comment">// cout<<allpreds[i].getFindLevel();</span></div>
<div class="line"><a name="l00915"></a><span class="lineno"> 915</span>  <span class="comment">// cout<<":"<<d_core->findExpr(allpreds[i])<<"|"<<allpreds[i]<<endl;</span></div>
<div class="line"><a name="l00916"></a><span class="lineno"> 916</span>  }</div>
<div class="line"><a name="l00917"></a><span class="lineno"> 917</span>  <span class="comment">// else cout<<"U "<<endl;;</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> </div>
<div class="line"><a name="l00920"></a><span class="lineno"> 920</span>  <span class="comment">//" and type is "<<allpreds[i].getType() </span></div>
<div class="line"><a name="l00921"></a><span class="lineno"> 921</span>  <span class="comment">// << " and kind is" << allpreds[i].getEM()->getKindName(allpreds[i].getKind())<<endl;</span></div>
<div class="line"><a name="l00922"></a><span class="lineno"> 922</span>  }</div>
<div class="line"><a name="l00923"></a><span class="lineno"> 923</span>  cout<<<span class="stringliteral">"-----------end----------pred"</span><<<a class="code" href="group__ExprStream__Manip.html#ga05b0ea7353ec24fa8e7e272d7a7875d8" title="Print the end-of-line.">endl</a>;</div>
<div class="line"><a name="l00924"></a><span class="lineno"> 924</span>  }</div>
<div class="line"><a name="l00925"></a><span class="lineno"> 925</span> </div>
<div class="line"><a name="l00926"></a><span class="lineno"> 926</span> </div>
<div class="line"><a name="l00927"></a><span class="lineno"> 927</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00928"></a><span class="lineno"> 928</span> <span class="preprocessor"></span> }</div>
<div class="line"><a name="l00929"></a><span class="lineno"> 929</span>  d_cnfManager->setBottomScope(-1);</div>
<div class="line"><a name="l00930"></a><span class="lineno"> 930</span>  d_inCheckSat = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00931"></a><span class="lineno"> 931</span>  result = d_lastValid;</div>
<div class="line"><a name="l00932"></a><span class="lineno"> 932</span>  <span class="keywordflow">return</span> qres;</div>
<div class="line"><a name="l00933"></a><span class="lineno"> 933</span> }</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> </div>
<div class="line"><a name="l00936"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchSat.html#a8298bda3d71fc4f613476d49c8270ecc"> 936</a></span> SearchSat::SearchSat(<a class="code" href="classCVC3_1_1TheoryCore.html" title="This theory handles the built-in logical connectives plus equality. It also handles the registration ...">TheoryCore</a>* core, <span class="keyword">const</span> <span class="keywordtype">string</span>& name)</div>
<div class="line"><a name="l00937"></a><span class="lineno"> 937</span>  : <a class="code" href="classCVC3_1_1SearchEngine.html" title="API to to a generic proof search engine.">SearchEngine</a>(core),</div>
<div class="line"><a name="l00938"></a><span class="lineno"> 938</span>  d_name(name),</div>
<div class="line"><a name="l00939"></a><span class="lineno"> 939</span>  d_bottomScope(core->getCM()->getCurrentContext(), -1),</div>
<div class="line"><a name="l00940"></a><span class="lineno"> 940</span>  d_lastCheck(core->getCM()->getCurrentContext()),</div>
<div class="line"><a name="l00941"></a><span class="lineno"> 941</span>  d_lastValid(core->getCM()->getCurrentContext(),</div>
<div class="line"><a name="l00942"></a><span class="lineno"> 942</span>  d_commonRules->trueTheorem()),</div>
<div class="line"><a name="l00943"></a><span class="lineno"> 943</span>  d_userAssumptions(core->getCM()->getCurrentContext()),</div>
<div class="line"><a name="l00944"></a><span class="lineno"> 944</span>  d_intAssumptions(core->getCM()->getCurrentContext()),</div>
<div class="line"><a name="l00945"></a><span class="lineno"> 945</span>  d_idxUserAssump(core->getCM()->getCurrentContext(), 0),</div>
<div class="line"><a name="l00946"></a><span class="lineno"> 946</span>  d_decider(NULL),</div>
<div class="line"><a name="l00947"></a><span class="lineno"> 947</span>  d_theorems(core->getCM()->getCurrentContext()),</div>
<div class="line"><a name="l00948"></a><span class="lineno"> 948</span>  d_inCheckSat(false),</div>
<div class="line"><a name="l00949"></a><span class="lineno"> 949</span>  d_lemmas(core->getCM()->getCurrentContext()),</div>
<div class="line"><a name="l00950"></a><span class="lineno"> 950</span>  d_pendingLemmasSize(core->getCM()->getCurrentContext(), 0),</div>
<div class="line"><a name="l00951"></a><span class="lineno"> 951</span>  d_pendingLemmasNext(core->getCM()->getCurrentContext(), 0),</div>
<div class="line"><a name="l00952"></a><span class="lineno"> 952</span>  d_lemmasNext(core->getCM()->getCurrentContext(), 0),</div>
<div class="line"><a name="l00953"></a><span class="lineno"> 953</span>  d_varsUndoListSize(core->getCM()->getCurrentContext(), 0),</div>
<div class="line"><a name="l00954"></a><span class="lineno"> 954</span>  d_prioritySetStart(core->getCM()->getCurrentContext()),</div>
<div class="line"><a name="l00955"></a><span class="lineno"> 955</span>  d_prioritySetEntriesSize(core->getCM()->getCurrentContext(), 0),</div>
<div class="line"><a name="l00956"></a><span class="lineno"> 956</span>  d_prioritySetBottomEntriesSize(0),</div>
<div class="line"><a name="l00957"></a><span class="lineno"> 957</span>  d_lastRegisteredVar(core->getCM()->getCurrentContext(), 0),</div>
<div class="line"><a name="l00958"></a><span class="lineno"> 958</span>  d_dplltReady(core->getCM()->getCurrentContext(), true),</div>
<div class="line"><a name="l00959"></a><span class="lineno"> 959</span>  d_nextImpliedLiteral(core->getCM()->getCurrentContext(), 0),</div>
<div class="line"><a name="l00960"></a><span class="lineno"> 960</span>  d_restorer(core->getCM()->getCurrentContext(), this)</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>  <a class="code" href="classCVC3_1_1SearchSat.html#a996335737d383fd882b6f1085f72b964" title="Manages CNF formula and its relationship to original Exprs and Theorems.">d_cnfManager</a> = <span class="keyword">new</span> <a class="code" href="classSAT_1_1CNF__Manager.html">CNF_Manager</a>(core-><a class="code" href="classCVC3_1_1TheoryCore.html#af3077cff0601b8ae28e420ef5ce2ea37">getTM</a>(), core-><a class="code" href="classCVC3_1_1TheoryCore.html#a7f119c4fa5313b72feca7dd441e045f0">getStatistics</a>(),</div>
<div class="line"><a name="l00963"></a><span class="lineno"> 963</span>  core-><a class="code" href="classCVC3_1_1TheoryCore.html#a46b2792a5c24f95ccfc3fbfc0456b09f">getFlags</a>());</div>
<div class="line"><a name="l00964"></a><span class="lineno"> 964</span> </div>
<div class="line"><a name="l00965"></a><span class="lineno"> 965</span>  <a class="code" href="classCVC3_1_1SearchSat.html#a158485ff14b490fc2c91936a4e72bf5b" title="Callback for CNF_Manager.">d_cnfCallback</a> = <span class="keyword">new</span> <a class="code" href="classCVC3_1_1SearchSat.html#acfd18b3733ce33513e1e5ddaad615624">SearchSatCNFCallback</a>(<span class="keyword">this</span>);</div>
<div class="line"><a name="l00966"></a><span class="lineno"> 966</span>  <a class="code" href="classCVC3_1_1SearchSat.html#a996335737d383fd882b6f1085f72b964" title="Manages CNF formula and its relationship to original Exprs and Theorems.">d_cnfManager</a>-><a class="code" href="classSAT_1_1CNF__Manager.html#a0d2b7a6369e9e7ad4ae6aca1398e404d" title="Register CNF callback.">registerCNFCallback</a>(d_cnfCallback);</div>
<div class="line"><a name="l00967"></a><span class="lineno"> 967</span>  <a class="code" href="classCVC3_1_1SearchSat.html#aab55d9ceeb2a938841230c920762ba77">d_coreSatAPI</a> = <span class="keyword">new</span> <a class="code" href="classCVC3_1_1SearchSat.html#a71c71132ecb225ad44dd66fc2c3505f3">SearchSatCoreSatAPI</a>(<span class="keyword">this</span>);</div>
<div class="line"><a name="l00968"></a><span class="lineno"> 968</span>  core-><a class="code" href="classCVC3_1_1TheoryCore.html#afb6629080bceb44023f1bb3a44f9136f" title="Register a SatAPI for TheoryCore.">registerCoreSatAPI</a>(<a class="code" href="classCVC3_1_1SearchSat.html#aab55d9ceeb2a938841230c920762ba77">d_coreSatAPI</a>);</div>
<div class="line"><a name="l00969"></a><span class="lineno"> 969</span>  <a class="code" href="classCVC3_1_1SearchSat.html#a8abc1b647affa60cc367e0eeaa52cdf4" title="Implementation of TheoryAPI for DPLLT.">d_theoryAPI</a> = <span class="keyword">new</span> <a class="code" href="classCVC3_1_1SearchSat.html#a8cb09d5d17839a0377e369713fcbbedf">SearchSatTheoryAPI</a>(<span class="keyword">this</span>);</div>
<div class="line"><a name="l00970"></a><span class="lineno"> 970</span>  <span class="keywordflow">if</span> (core-><a class="code" href="classCVC3_1_1TheoryCore.html#a46b2792a5c24f95ccfc3fbfc0456b09f">getFlags</a>()[<span class="stringliteral">"de"</span>].getString() == <span class="stringliteral">"dfs"</span>) <a class="code" href="classCVC3_1_1SearchSat.html#aa4be1d02557a46fbbdc32deefc4f3a32" title="Implementation of Decider for DPLLT.">d_decider</a> = <span class="keyword">new</span> <a class="code" href="classCVC3_1_1SearchSat.html#a447de240c99ed9d998d211b07609bc5d">SearchSatDecider</a>(<span class="keyword">this</span>);</div>
<div class="line"><a name="l00971"></a><span class="lineno"> 971</span> </div>
<div class="line"><a name="l00972"></a><span class="lineno"> 972</span>  <span class="keywordflow">if</span> (core-><a class="code" href="classCVC3_1_1TheoryCore.html#a46b2792a5c24f95ccfc3fbfc0456b09f">getFlags</a>()[<span class="stringliteral">"sat"</span>].getString() == <span class="stringliteral">"sat"</span>) {</div>
<div class="line"><a name="l00973"></a><span class="lineno"> 973</span> <span class="preprocessor">#ifdef DPLL_BASIC</span></div>
<div class="line"><a name="l00974"></a><span class="lineno"> 974</span> <span class="preprocessor"></span> <a class="code" href="classCVC3_1_1SearchSat.html#a884c103ef1313d56a3a42d4e3e8468cb" title="Pointer to DPLLT implementation.">d_dpllt</a> = <span class="keyword">new</span> <a class="code" href="classSAT_1_1DPLLTBasic.html">DPLLTBasic</a>(<a class="code" href="classCVC3_1_1SearchSat.html#a8abc1b647affa60cc367e0eeaa52cdf4" title="Implementation of TheoryAPI for DPLLT.">d_theoryAPI</a>, <a class="code" href="classCVC3_1_1SearchSat.html#aa4be1d02557a46fbbdc32deefc4f3a32" title="Implementation of Decider for DPLLT.">d_decider</a>, core-><a class="code" href="classCVC3_1_1TheoryCore.html#a9377f423f4fd59fdac396794363733a6">getCM</a>(),</div>
<div class="line"><a name="l00975"></a><span class="lineno"> 975</span>  core-><a class="code" href="classCVC3_1_1TheoryCore.html#a46b2792a5c24f95ccfc3fbfc0456b09f">getFlags</a>()[<span class="stringliteral">"stats"</span>].getBool());</div>
<div class="line"><a name="l00976"></a><span class="lineno"> 976</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00977"></a><span class="lineno"> 977</span> <span class="preprocessor"></span> <span class="keywordflow">throw</span> <a class="code" href="classCVC3_1_1CLException.html">CLException</a>(<span class="stringliteral">"SAT solver 'sat' not supported in this build"</span>);</div>
<div class="line"><a name="l00978"></a><span class="lineno"> 978</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00979"></a><span class="lineno"> 979</span> <span class="preprocessor"></span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (core-><a class="code" href="classCVC3_1_1TheoryCore.html#a46b2792a5c24f95ccfc3fbfc0456b09f">getFlags</a>()[<span class="stringliteral">"sat"</span>].getString() == <span class="stringliteral">"minisat"</span>) {</div>
<div class="line"><a name="l00980"></a><span class="lineno"> 980</span>  <a class="code" href="classCVC3_1_1SearchSat.html#a884c103ef1313d56a3a42d4e3e8468cb" title="Pointer to DPLLT implementation.">d_dpllt</a> = <span class="keyword">new</span> <a class="code" href="classSAT_1_1DPLLTMiniSat.html">DPLLTMiniSat</a>(<a class="code" href="classCVC3_1_1SearchSat.html#a8abc1b647affa60cc367e0eeaa52cdf4" title="Implementation of TheoryAPI for DPLLT.">d_theoryAPI</a>, <a class="code" href="classCVC3_1_1SearchSat.html#aa4be1d02557a46fbbdc32deefc4f3a32" title="Implementation of Decider for DPLLT.">d_decider</a>,</div>
<div class="line"><a name="l00981"></a><span class="lineno"> 981</span>  core-><a class="code" href="classCVC3_1_1TheoryCore.html#a46b2792a5c24f95ccfc3fbfc0456b09f">getFlags</a>()[<span class="stringliteral">"stats"</span>].getBool(),</div>
<div class="line"><a name="l00982"></a><span class="lineno"> 982</span>  core-><a class="code" href="classCVC3_1_1TheoryCore.html#af3077cff0601b8ae28e420ef5ce2ea37">getTM</a>()-><a class="code" href="classCVC3_1_1TheoremManager.html#a462f27eb0eca420b334354a9ddc7a257">withProof</a>());</div>
<div class="line"><a name="l00983"></a><span class="lineno"> 983</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00984"></a><span class="lineno"> 984</span>  <span class="keywordflow">throw</span> <a class="code" href="classCVC3_1_1CLException.html">CLException</a>(<span class="stringliteral">"Unrecognized SAT solver name: "</span> + (core-><a class="code" href="classCVC3_1_1TheoryCore.html#a46b2792a5c24f95ccfc3fbfc0456b09f">getFlags</a>()[<span class="stringliteral">"sat"</span>].getString()));</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> </div>
<div class="line"><a name="l00987"></a><span class="lineno"> 987</span>  <a class="code" href="classCVC3_1_1SearchSat.html#ad7b3c57fadbc655bddd204b9ea122a62" title="Current position in prioritySet.">d_prioritySetStart</a> = <a class="code" href="classCVC3_1_1SearchSat.html#ab4dbd42cf98469a2abb679024a402b77" title="Used to determine order to find splitters.">d_prioritySet</a>.end();</div>
<div class="line"><a name="l00988"></a><span class="lineno"> 988</span> }</div>
<div class="line"><a name="l00989"></a><span class="lineno"> 989</span> </div>
<div class="line"><a name="l00990"></a><span class="lineno"> 990</span> </div>
<div class="line"><a name="l00991"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchSat.html#ad2e00c54dd9d8d8f1e674065f255a28b"> 991</a></span> <a class="code" href="classCVC3_1_1SearchSat.html#ad2e00c54dd9d8d8f1e674065f255a28b" title="Destructor.">SearchSat::~SearchSat</a>()</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>  <span class="keyword">delete</span> <a class="code" href="classCVC3_1_1SearchSat.html#a884c103ef1313d56a3a42d4e3e8468cb" title="Pointer to DPLLT implementation.">d_dpllt</a>;</div>
<div class="line"><a name="l00994"></a><span class="lineno"> 994</span>  <span class="keyword">delete</span> <a class="code" href="classCVC3_1_1SearchSat.html#aa4be1d02557a46fbbdc32deefc4f3a32" title="Implementation of Decider for DPLLT.">d_decider</a>;</div>
<div class="line"><a name="l00995"></a><span class="lineno"> 995</span>  <span class="keyword">delete</span> <a class="code" href="classCVC3_1_1SearchSat.html#a8abc1b647affa60cc367e0eeaa52cdf4" title="Implementation of TheoryAPI for DPLLT.">d_theoryAPI</a>;</div>
<div class="line"><a name="l00996"></a><span class="lineno"> 996</span>  <span class="keyword">delete</span> <a class="code" href="classCVC3_1_1SearchSat.html#aab55d9ceeb2a938841230c920762ba77">d_coreSatAPI</a>;</div>
<div class="line"><a name="l00997"></a><span class="lineno"> 997</span>  <span class="keyword">delete</span> <a class="code" href="classCVC3_1_1SearchSat.html#a158485ff14b490fc2c91936a4e72bf5b" title="Callback for CNF_Manager.">d_cnfCallback</a>;</div>
<div class="line"><a name="l00998"></a><span class="lineno"> 998</span>  <span class="keyword">delete</span> <a class="code" href="classCVC3_1_1SearchSat.html#a996335737d383fd882b6f1085f72b964" title="Manages CNF formula and its relationship to original Exprs and Theorems.">d_cnfManager</a>;</div>
<div class="line"><a name="l00999"></a><span class="lineno"> 999</span> }</div>
<div class="line"><a name="l01000"></a><span class="lineno"> 1000</span> </div>
<div class="line"><a name="l01001"></a><span class="lineno"> 1001</span> </div>
<div class="line"><a name="l01002"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchSat.html#a2ca4a66d1bf7d0227e646edd3c9b9964"> 1002</a></span> <span class="keywordtype">void</span> <a class="code" href="classCVC3_1_1SearchSat.html#a2ca4a66d1bf7d0227e646edd3c9b9964" title="Register an atomic formula of interest.">SearchSat::registerAtom</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="l01003"></a><span class="lineno"> 1003</span> {</div>
<div class="line"><a name="l01004"></a><span class="lineno"> 1004</span>  e.<a class="code" href="group__ExprPkg.html#ga6f8db899f4680e53c4cf11c20dc10735" title="Set the UserRegisteredAtom flag for this Expr.">setUserRegisteredAtom</a>();</div>
<div class="line"><a name="l01005"></a><span class="lineno"> 1005</span>  <span class="keywordflow">if</span> (!e.<a class="code" href="group__ExprPkg.html#ga8b55ff94d7f47d1166350cf308f2dd09">isRegisteredAtom</a>())</div>
<div class="line"><a name="l01006"></a><span class="lineno"> 1006</span>  <a class="code" href="group__SE.html#ga3772c6af7eac91b9ed7fc278edf5ef90" title="Access to theory reasoning.">d_core</a>-><a class="code" href="classCVC3_1_1TheoryCore.html#ade1177fbf32e95b9433eb608c82857d7" title="Register an atomic formula of interest.">registerAtom</a>(e, <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>());</div>
<div class="line"><a name="l01007"></a><span class="lineno"> 1007</span> }</div>
<div class="line"><a name="l01008"></a><span class="lineno"> 1008</span> </div>
<div class="line"><a name="l01009"></a><span class="lineno"> 1009</span> </div>
<div class="line"><a name="l01010"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchSat.html#a737cf8f3791197c405017db18163ce6b"> 1010</a></span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a> <a class="code" href="classCVC3_1_1SearchSat.html#a737cf8f3791197c405017db18163ce6b" title="Return next literal implied by last assertion. Null Expr if none.">SearchSat::getImpliedLiteral</a>(<span class="keywordtype">void</span>)</div>
<div class="line"><a name="l01011"></a><span class="lineno"> 1011</span> {</div>
<div class="line"><a name="l01012"></a><span class="lineno"> 1012</span>  <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a> imp;</div>
<div class="line"><a name="l01013"></a><span class="lineno"> 1013</span>  <span class="keywordflow">while</span> (d_nextImpliedLiteral < d_core->numImpliedLiterals()) {</div>
<div class="line"><a name="l01014"></a><span class="lineno"> 1014</span>  imp = <a class="code" href="group__SE.html#ga3772c6af7eac91b9ed7fc278edf5ef90" title="Access to theory reasoning.">d_core</a>-><a class="code" href="classCVC3_1_1TheoryCore.html#adb97ff20d5c0d9a93d322b347b306f69" title="Return an implied literal by index.">getImpliedLiteralByIndex</a>(<a class="code" href="classCVC3_1_1SearchSat.html#ae97f61c9a0ae9ed8186929e15892ad73">d_nextImpliedLiteral</a>);</div>
<div class="line"><a name="l01015"></a><span class="lineno"> 1015</span>  <a class="code" href="classCVC3_1_1SearchSat.html#ae97f61c9a0ae9ed8186929e15892ad73">d_nextImpliedLiteral</a> = <a class="code" href="classCVC3_1_1SearchSat.html#ae97f61c9a0ae9ed8186929e15892ad73">d_nextImpliedLiteral</a> + 1;</div>
<div class="line"><a name="l01016"></a><span class="lineno"> 1016</span>  <span class="keywordflow">if</span> (imp.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>().<a class="code" href="group__ExprPkg.html#ga39070a3fb12c398dc5bb7526d6aeb7f3" title="Remove leading NOT if any.">unnegate</a>().<a class="code" href="group__ExprPkg.html#ga8296386eb481a436937b6f0b140f8af0">isUserRegisteredAtom</a>()) <span class="keywordflow">return</span> imp;</div>
<div class="line"><a name="l01017"></a><span class="lineno"> 1017</span>  }</div>
<div class="line"><a name="l01018"></a><span class="lineno"> 1018</span>  <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>();</div>
<div class="line"><a name="l01019"></a><span class="lineno"> 1019</span> }</div>
<div class="line"><a name="l01020"></a><span class="lineno"> 1020</span> </div>
<div class="line"><a name="l01021"></a><span class="lineno"> 1021</span> </div>
<div class="line"><a name="l01022"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchSat.html#a43a09dbf7232bfdb6f10aee4df1add94"> 1022</a></span> <span class="keywordtype">void</span> <a class="code" href="classCVC3_1_1SearchSat.html#a43a09dbf7232bfdb6f10aee4df1add94" title="Returns to context immediately before last call to checkValid.">SearchSat::returnFromCheck</a>()</div>
<div class="line"><a name="l01023"></a><span class="lineno"> 1023</span> {</div>
<div class="line"><a name="l01024"></a><span class="lineno"> 1024</span>  <span class="keywordflow">if</span> (<a class="code" href="classCVC3_1_1SearchSat.html#a8153b8d7b772217bafddf3d92be4759b" title="Bottom scope for current query.">d_bottomScope</a> < 0) {</div>
<div class="line"><a name="l01025"></a><span class="lineno"> 1025</span>  <span class="keywordflow">throw</span> <a class="code" href="classCVC3_1_1Exception.html">Exception</a></div>
<div class="line"><a name="l01026"></a><span class="lineno"> 1026</span>  (<span class="stringliteral">"returnFromCheck called with no previous invalid call to checkValid"</span>);</div>
<div class="line"><a name="l01027"></a><span class="lineno"> 1027</span>  }</div>
<div class="line"><a name="l01028"></a><span class="lineno"> 1028</span>  <a class="code" href="classCVC3_1_1SearchSat.html#a5c3eeec4b2c970f9d503b2892c9eb770" title="Restore last checkpoint.">pop</a>();</div>
<div class="line"><a name="l01029"></a><span class="lineno"> 1029</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"><a class="code" href="search__sat_8cpp.html#ad519c4d1da4622f4bca7cfdc5b6fee7b"> 1032</a></span> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="search__sat_8cpp.html#ad519c4d1da4622f4bca7cfdc5b6fee7b">setRecursiveInUserAssumption</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& e, <span class="keywordtype">int</span> scope)</div>
<div class="line"><a name="l01033"></a><span class="lineno"> 1033</span> {</div>
<div class="line"><a name="l01034"></a><span class="lineno"> 1034</span>  <span class="keywordflow">if</span> (e.<a class="code" href="group__ExprPkg.html#ga110d4a1734b738dbb999b7798e07c3d1">inUserAssumption</a>()) <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l01035"></a><span class="lineno"> 1035</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < e.<a class="code" href="group__ExprPkg.html#ga28b901d05e52a5c646f83a95cc74f94b">arity</a>(); ++i) {</div>
<div class="line"><a name="l01036"></a><span class="lineno"> 1036</span>  <a class="code" href="search__sat_8cpp.html#ad519c4d1da4622f4bca7cfdc5b6fee7b">setRecursiveInUserAssumption</a>(e[i], scope);</div>
<div class="line"><a name="l01037"></a><span class="lineno"> 1037</span>  }</div>
<div class="line"><a name="l01038"></a><span class="lineno"> 1038</span>  e.<a class="code" href="group__ExprPkg.html#gacfaaa30a1743a0955e0568b3bcd7cc08">setInUserAssumption</a>(scope);</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> </div>
<div class="line"><a name="l01042"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchSat.html#a4bc91d2be335eabdcd6174cf634fe9e3"> 1042</a></span> <span class="keywordtype">void</span> <a class="code" href="classCVC3_1_1SearchSat.html#a4bc91d2be335eabdcd6174cf634fe9e3" title="Helper for newUserAssumptionInt.">SearchSat::newUserAssumptionIntHelper</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& thm, <a class="code" href="classSAT_1_1CNF__Formula__Impl.html">CNF_Formula_Impl</a>& cnf, <span class="keywordtype">bool</span> atBottomScope)</div>
<div class="line"><a name="l01043"></a><span class="lineno"> 1043</span> {</div>
<div class="line"><a name="l01044"></a><span class="lineno"> 1044</span>  <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> e = thm.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>();</div>
<div class="line"><a name="l01045"></a><span class="lineno"> 1045</span>  <span class="keywordflow">if</span> (e.<a class="code" href="group__ExprPkg.html#ga383260cf4f8919728e2712e6e11f21fa">isAnd</a>()) {</div>
<div class="line"><a name="l01046"></a><span class="lineno"> 1046</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < e.<a class="code" href="group__ExprPkg.html#ga28b901d05e52a5c646f83a95cc74f94b">arity</a>(); ++i) {</div>
<div class="line"><a name="l01047"></a><span class="lineno"> 1047</span>  <a class="code" href="classCVC3_1_1SearchSat.html#a4bc91d2be335eabdcd6174cf634fe9e3" title="Helper for newUserAssumptionInt.">newUserAssumptionIntHelper</a>(<a class="code" href="group__SE.html#ga63f2a3cfcfa86820bea2f45cb890cc1c" title="Common proof rules.">d_commonRules</a>-><a class="code" href="classCVC3_1_1CommonProofRules.html#a3f3592ac74d0aa0caa3b9224ea7e61f4">andElim</a>(thm, i), cnf, atBottomScope);</div>
<div class="line"><a name="l01048"></a><span class="lineno"> 1048</span>  }</div>
<div class="line"><a name="l01049"></a><span class="lineno"> 1049</span>  }</div>
<div class="line"><a name="l01050"></a><span class="lineno"> 1050</span>  <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01051"></a><span class="lineno"> 1051</span>  <span class="keywordflow">if</span> ( ! <a class="code" href="group__SE.html#ga3772c6af7eac91b9ed7fc278edf5ef90" title="Access to theory reasoning.">d_core</a>-><a class="code" href="classCVC3_1_1TheoryCore.html#a46b2792a5c24f95ccfc3fbfc0456b09f">getFlags</a>()[<span class="stringliteral">"cnf-formula"</span>].getBool()) {</div>
<div class="line"><a name="l01052"></a><span class="lineno"> 1052</span>  <span class="keywordflow">if</span> (!<a class="code" href="classCVC3_1_1SearchSat.html#a0f3b2311296e520c22aea55c68c4b477" title="Helper for addLemma and check.">recordNewRootLit</a>(<a class="code" href="classCVC3_1_1SearchSat.html#a996335737d383fd882b6f1085f72b964" title="Manages CNF formula and its relationship to original Exprs and Theorems.">d_cnfManager</a>-><a class="code" href="classSAT_1_1CNF__Manager.html#a5cf1943a3bc3773fd0d8f64c123478f7" title="Given thm of form A |- B, convert B to CNF and add it to cnf.">addAssumption</a>(thm, cnf), 0, atBottomScope)) {</div>
<div class="line"><a name="l01053"></a><span class="lineno"> 1053</span>  cnf.<a class="code" href="classSAT_1_1CNF__Formula__Impl.html#accfd5e8d24cbb46cef5c4025a92c40eb">deleteLast</a>();</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>  }</div>
<div class="line"><a name="l01056"></a><span class="lineno"> 1056</span>  <span class="keywordflow">else</span>{</div>
<div class="line"><a name="l01057"></a><span class="lineno"> 1057</span>  <a class="code" href="classCVC3_1_1SearchSat.html#a996335737d383fd882b6f1085f72b964" title="Manages CNF formula and its relationship to original Exprs and Theorems.">d_cnfManager</a>-><a class="code" href="classSAT_1_1CNF__Manager.html#a5cf1943a3bc3773fd0d8f64c123478f7" title="Given thm of form A |- B, convert B to CNF and add it to cnf.">addAssumption</a>(thm, cnf);</div>
<div class="line"><a name="l01058"></a><span class="lineno"> 1058</span>  }</div>
<div class="line"><a name="l01059"></a><span class="lineno"> 1059</span>  <span class="comment">// if cnf-formula is enabled, d_cnfManager->addAssumption returns a random literal, not a RootLit. A random lit can make recordNewRootLit return false, which in turn makes cnf.deleteLast() to delete the last clause, which is not correct. </span></div>
<div class="line"><a name="l01060"></a><span class="lineno"> 1060</span>  }</div>
<div class="line"><a name="l01061"></a><span class="lineno"> 1061</span> }</div>
<div class="line"><a name="l01062"></a><span class="lineno"> 1062</span> </div>
<div class="line"><a name="l01063"></a><span class="lineno"> 1063</span> </div>
<div class="line"><a name="l01064"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchSat.html#ab9c866f4bb3ba8f3662a8ee99760f257"> 1064</a></span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a> <a class="code" href="classCVC3_1_1SearchSat.html#ab9c866f4bb3ba8f3662a8ee99760f257" title="Helper for newUserAssumption.">SearchSat::newUserAssumptionInt</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& e, <a class="code" href="classSAT_1_1CNF__Formula__Impl.html">CNF_Formula_Impl</a>& cnf, <span class="keywordtype">bool</span> atBottomScope)</div>
<div class="line"><a name="l01065"></a><span class="lineno"> 1065</span> {</div>
<div class="line"><a name="l01066"></a><span class="lineno"> 1066</span>  <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(!<a class="code" href="classCVC3_1_1SearchSat.html#a00573a594dd2b83cbb6f2997516862d3" title="Whether we are currently in a call to dpllt->checkSat.">d_inCheckSat</a>,</div>
<div class="line"><a name="l01067"></a><span class="lineno"> 1067</span>  <span class="stringliteral">"User assumptions should be added before calling checkSat"</span>);</div>
<div class="line"><a name="l01068"></a><span class="lineno"> 1068</span>  <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a> thm;</div>
<div class="line"><a name="l01069"></a><span class="lineno"> 1069</span>  <span class="keywordtype">int</span> scope;</div>
<div class="line"><a name="l01070"></a><span class="lineno"> 1070</span>  <span class="keywordflow">if</span> (atBottomScope) scope = <a class="code" href="classCVC3_1_1SearchSat.html#a8153b8d7b772217bafddf3d92be4759b" title="Bottom scope for current query.">d_bottomScope</a>;</div>
<div class="line"><a name="l01071"></a><span class="lineno"> 1071</span>  <span class="keywordflow">else</span> scope = -1;</div>
<div class="line"><a name="l01072"></a><span class="lineno"> 1072</span>  <a class="code" href="search__sat_8cpp.html#ad519c4d1da4622f4bca7cfdc5b6fee7b">setRecursiveInUserAssumption</a>(e, scope);</div>
<div class="line"><a name="l01073"></a><span class="lineno"> 1073</span>  <span class="keywordflow">if</span> (!<a class="code" href="classCVC3_1_1SearchSat.html#a4ec713d6bbbd5d4bd6a9fcacc42a044e" title="Check if the formula has already been assumed previously.">isAssumption</a>(e)) {</div>
<div class="line"><a name="l01074"></a><span class="lineno"> 1074</span>  e.<a class="code" href="group__ExprPkg.html#ga63eb3b8c124654cf056b2814794c4236">setUserAssumption</a>(scope);</div>
<div class="line"><a name="l01075"></a><span class="lineno"> 1075</span>  thm = <a class="code" href="group__SE.html#ga63f2a3cfcfa86820bea2f45cb890cc1c" title="Common proof rules.">d_commonRules</a>-><a class="code" href="classCVC3_1_1CommonProofRules.html#ab4527c48e9f88d94d7ca076757a6f3ba">assumpRule</a>(e, scope);</div>
<div class="line"><a name="l01076"></a><span class="lineno"> 1076</span>  <a class="code" href="classCVC3_1_1SearchSat.html#a3b9b2371a24908e62ec71b6f141afea8" title="List of all user assumptions.">d_userAssumptions</a>.<a class="code" href="classCVC3_1_1CDList.html#aa1e8d3591c596d1b9c585dec955b519b">push_back</a>(thm, scope);</div>
<div class="line"><a name="l01077"></a><span class="lineno"> 1077</span> </div>
<div class="line"><a name="l01078"></a><span class="lineno"> 1078</span>  <span class="keywordflow">if</span> (atBottomScope && <a class="code" href="classCVC3_1_1SearchSat.html#a8153b8d7b772217bafddf3d92be4759b" title="Bottom scope for current query.">d_bottomScope</a> != <a class="code" href="group__SE.html#ga3772c6af7eac91b9ed7fc278edf5ef90" title="Access to theory reasoning.">d_core</a>-><a class="code" href="classCVC3_1_1TheoryCore.html#a9377f423f4fd59fdac396794363733a6">getCM</a>()-><a class="code" href="classCVC3_1_1ContextManager.html#a194f7ddd794eaa876544a45006a3ff6f">scopeLevel</a>()) {</div>
<div class="line"><a name="l01079"></a><span class="lineno"> 1079</span>  <span class="comment">//TODO: run preprocessor without using context-dependent information</span></div>
<div class="line"><a name="l01080"></a><span class="lineno"> 1080</span>  <span class="comment">//TODO: this will break if we have stuff like the BVDIV rewrite that needs to get enqueued during preprocessing</span></div>
<div class="line"><a name="l01081"></a><span class="lineno"> 1081</span>  <a class="code" href="classCVC3_1_1SearchSat.html#a4bc91d2be335eabdcd6174cf634fe9e3" title="Helper for newUserAssumptionInt.">newUserAssumptionIntHelper</a>(thm, cnf, <span class="keyword">true</span>);</div>
<div class="line"><a name="l01082"></a><span class="lineno"> 1082</span>  }</div>
<div class="line"><a name="l01083"></a><span class="lineno"> 1083</span>  <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01084"></a><span class="lineno"> 1084</span>  <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a> thm2 = <a class="code" href="group__SE.html#ga3772c6af7eac91b9ed7fc278edf5ef90" title="Access to theory reasoning.">d_core</a>-><a class="code" href="classCVC3_1_1TheoryCore.html#acc963fd43994f06d3647394b731e835c">getExprTrans</a>()-><a class="code" href="classCVC3_1_1ExprTransform.html#a39652560061ab1172040113d9dfa25f6">preprocess</a>(thm);</div>
<div class="line"><a name="l01085"></a><span class="lineno"> 1085</span>  <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> e2 = thm2.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>(); </div>
<div class="line"><a name="l01086"></a><span class="lineno"> 1086</span>  <span class="keywordflow">if</span> (e2.<a class="code" href="group__ExprPkg.html#ga6173f64b22cba76472cd0c814bbf6dae">isFalse</a>()) {</div>
<div class="line"><a name="l01087"></a><span class="lineno"> 1087</span>  <a class="code" href="group__SE.html#ga3772c6af7eac91b9ed7fc278edf5ef90" title="Access to theory reasoning.">d_core</a>-><a class="code" href="classCVC3_1_1TheoryCore.html#aecef2465eb761f7f112ddce77f93d081" title="Add a new assertion to the core from the user or a SAT solver. Do NOT use it in a decision procedure;...">addFact</a>(thm2);</div>
<div class="line"><a name="l01088"></a><span class="lineno"> 1088</span>  <span class="keywordflow">return</span> thm;</div>
<div class="line"><a name="l01089"></a><span class="lineno"> 1089</span>  }</div>
<div class="line"><a name="l01090"></a><span class="lineno"> 1090</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!e2.<a class="code" href="group__ExprPkg.html#gadf8596df73fa69ff8e6a22b9321f5c34">isTrue</a>()) {</div>
<div class="line"><a name="l01091"></a><span class="lineno"> 1091</span>  <a class="code" href="classCVC3_1_1SearchSat.html#a4bc91d2be335eabdcd6174cf634fe9e3" title="Helper for newUserAssumptionInt.">newUserAssumptionIntHelper</a>(thm2, cnf, <span class="keyword">false</span>);</div>
<div class="line"><a name="l01092"></a><span class="lineno"> 1092</span>  }</div>
<div class="line"><a name="l01093"></a><span class="lineno"> 1093</span>  }</div>
<div class="line"><a name="l01094"></a><span class="lineno"> 1094</span>  <span class="keywordflow">if</span> (<a class="code" href="classCVC3_1_1SearchSat.html#a996335737d383fd882b6f1085f72b964" title="Manages CNF formula and its relationship to original Exprs and Theorems.">d_cnfManager</a>-><a class="code" href="classSAT_1_1CNF__Manager.html#ad6052496e803e074e91efe7212360b23" title="Return the number of variables being managed.">numVars</a>() > <a class="code" href="classCVC3_1_1SearchSat.html#a455c295a13215ddc99b8df18f4598af4" title="Cached values of variables.">d_vars</a>.size()) {</div>
<div class="line"><a name="l01095"></a><span class="lineno"> 1095</span>  <a class="code" href="classCVC3_1_1SearchSat.html#a455c295a13215ddc99b8df18f4598af4" title="Cached values of variables.">d_vars</a>.resize(<a class="code" href="classCVC3_1_1SearchSat.html#a996335737d383fd882b6f1085f72b964" title="Manages CNF formula and its relationship to original Exprs and Theorems.">d_cnfManager</a>-><a class="code" href="classSAT_1_1CNF__Manager.html#ad6052496e803e074e91efe7212360b23" title="Return the number of variables being managed.">numVars</a>(), <a class="code" href="classSAT_1_1Var.html#ac9cf10f19f5f4d86ad539777fd8ca5aea98bec3ab0d44524d1ea379c9209b9b1a">SAT::Var::UNKNOWN</a>);</div>
<div class="line"><a name="l01096"></a><span class="lineno"> 1096</span>  }</div>
<div class="line"><a name="l01097"></a><span class="lineno"> 1097</span>  }</div>
<div class="line"><a name="l01098"></a><span class="lineno"> 1098</span>  <span class="keywordflow">return</span> thm;</div>
<div class="line"><a name="l01099"></a><span class="lineno"> 1099</span> }</div>
<div class="line"><a name="l01100"></a><span class="lineno"> 1100</span> </div>
<div class="line"><a name="l01101"></a><span class="lineno"> 1101</span> </div>
<div class="line"><a name="l01102"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchSat.html#a859331cc6fc93adfdd09cb848cd6de0b"> 1102</a></span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a> <a class="code" href="classCVC3_1_1SearchSat.html#a859331cc6fc93adfdd09cb848cd6de0b" title="Generate and add an assumption to the set of assumptions in the current context.">SearchSat::newUserAssumption</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="l01103"></a><span class="lineno"> 1103</span> {</div>
<div class="line"><a name="l01104"></a><span class="lineno"> 1104</span>  <a class="code" href="classSAT_1_1CNF__Formula__Impl.html">CNF_Formula_Impl</a> cnf;</div>
<div class="line"><a name="l01105"></a><span class="lineno"> 1105</span>  <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a> thm = <a class="code" href="classCVC3_1_1SearchSat.html#ab9c866f4bb3ba8f3662a8ee99760f257" title="Helper for newUserAssumption.">newUserAssumptionInt</a>(e, cnf, <span class="keyword">false</span>);</div>
<div class="line"><a name="l01106"></a><span class="lineno"> 1106</span>  <a class="code" href="classCVC3_1_1SearchSat.html#a884c103ef1313d56a3a42d4e3e8468cb" title="Pointer to DPLLT implementation.">d_dpllt</a>-><a class="code" href="classSAT_1_1DPLLT.html#aaaa6884de9ebd8b9596e85167e8f9273" title="Add new clauses to the SAT solver.">addAssertion</a>(cnf);</div>
<div class="line"><a name="l01107"></a><span class="lineno"> 1107</span>  <span class="keywordflow">return</span> thm;</div>
<div class="line"><a name="l01108"></a><span class="lineno"> 1108</span> }</div>
<div class="line"><a name="l01109"></a><span class="lineno"> 1109</span> </div>
<div class="line"><a name="l01110"></a><span class="lineno"> 1110</span> </div>
<div class="line"><a name="l01111"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchSat.html#a7344ad67225c0d6e30f8c2215bc7e0b0"> 1111</a></span> <span class="keywordtype">void</span> <a class="code" href="classCVC3_1_1SearchSat.html#a7344ad67225c0d6e30f8c2215bc7e0b0" title="Get all user assumptions made in this and all previous contexts.">SearchSat::getUserAssumptions</a>(vector<Expr>& assumptions)</div>
<div class="line"><a name="l01112"></a><span class="lineno"> 1112</span> {</div>
<div class="line"><a name="l01113"></a><span class="lineno"> 1113</span>  <span class="keywordflow">for</span>(<a class="code" href="classCVC3_1_1CDList.html">CDList<Theorem>::const_iterator</a> i=<a class="code" href="classCVC3_1_1SearchSat.html#a3b9b2371a24908e62ec71b6f141afea8" title="List of all user assumptions.">d_userAssumptions</a>.<a class="code" href="classCVC3_1_1CDList.html#ae2cf006604b1ab88139332a5e2c08568">begin</a>(),</div>
<div class="line"><a name="l01114"></a><span class="lineno"> 1114</span>  iend=<a class="code" href="classCVC3_1_1SearchSat.html#a3b9b2371a24908e62ec71b6f141afea8" title="List of all user assumptions.">d_userAssumptions</a>.<a class="code" href="classCVC3_1_1CDList.html#a96313ff2924c89a93d7fe6c618c837af">end</a>(); i!=iend; ++i)</div>
<div class="line"><a name="l01115"></a><span class="lineno"> 1115</span>  assumptions.push_back((*i).getExpr());</div>
<div class="line"><a name="l01116"></a><span class="lineno"> 1116</span> }</div>
<div class="line"><a name="l01117"></a><span class="lineno"> 1117</span> </div>
<div class="line"><a name="l01118"></a><span class="lineno"> 1118</span> </div>
<div class="line"><a name="l01119"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchSat.html#acee513ead4033fd5bfc16cbab7951dc7"> 1119</a></span> <span class="keywordtype">void</span> <a class="code" href="classCVC3_1_1SearchSat.html#acee513ead4033fd5bfc16cbab7951dc7" title="Get assumptions made internally in this and all previous contexts.">SearchSat::getInternalAssumptions</a>(vector<Expr>& assumptions)</div>
<div class="line"><a name="l01120"></a><span class="lineno"> 1120</span> {</div>
<div class="line"><a name="l01121"></a><span class="lineno"> 1121</span>  <span class="keywordflow">for</span>(<a class="code" href="classCVC3_1_1CDList.html">CDList<Theorem>::const_iterator</a> i=<a class="code" href="classCVC3_1_1SearchSat.html#ad3b9879d655cf3fce1a70de7b1d6fedc" title="List of all internal assumptions.">d_intAssumptions</a>.<a class="code" href="classCVC3_1_1CDList.html#ae2cf006604b1ab88139332a5e2c08568">begin</a>(),</div>
<div class="line"><a name="l01122"></a><span class="lineno"> 1122</span>  iend=<a class="code" href="classCVC3_1_1SearchSat.html#ad3b9879d655cf3fce1a70de7b1d6fedc" title="List of all internal assumptions.">d_intAssumptions</a>.<a class="code" href="classCVC3_1_1CDList.html#a96313ff2924c89a93d7fe6c618c837af">end</a>(); i!=iend; ++i)</div>
<div class="line"><a name="l01123"></a><span class="lineno"> 1123</span>  assumptions.push_back((*i).getExpr());</div>
<div class="line"><a name="l01124"></a><span class="lineno"> 1124</span> }</div>
<div class="line"><a name="l01125"></a><span class="lineno"> 1125</span> </div>
<div class="line"><a name="l01126"></a><span class="lineno"> 1126</span> </div>
<div class="line"><a name="l01127"></a><span class="lineno"> 1127</span> </div>
<div class="line"><a name="l01128"></a><span class="lineno"><a class="code" href="classCVC3_1_1SearchSat.html#a63ffdace5647b9d783e4a4a0dd90fb0b"> 1128</a></span> <span class="keywordtype">void</span> <a class="code" href="classCVC3_1_1SearchSat.html#a63ffdace5647b9d783e4a4a0dd90fb0b" title="Get all assumptions made in this and all previous contexts.">SearchSat::getAssumptions</a>(vector<Expr>& assumptions)</div>
<div class="line"><a name="l01129"></a><span class="lineno"> 1129</span> {</div>
<div class="line"><a name="l01130"></a><span class="lineno"> 1130</span>  <a class="code" href="classCVC3_1_1CDList.html">CDList<Theorem>::const_iterator</a> iU=<a class="code" href="classCVC3_1_1SearchSat.html#a3b9b2371a24908e62ec71b6f141afea8" title="List of all user assumptions.">d_userAssumptions</a>.<a class="code" href="classCVC3_1_1CDList.html#ae2cf006604b1ab88139332a5e2c08568">begin</a>(),</div>
<div class="line"><a name="l01131"></a><span class="lineno"> 1131</span>  iUend=<a class="code" href="classCVC3_1_1SearchSat.html#a3b9b2371a24908e62ec71b6f141afea8" title="List of all user assumptions.">d_userAssumptions</a>.<a class="code" href="classCVC3_1_1CDList.html#a96313ff2924c89a93d7fe6c618c837af">end</a>(), iI = <a class="code" href="classCVC3_1_1SearchSat.html#ad3b9879d655cf3fce1a70de7b1d6fedc" title="List of all internal assumptions.">d_intAssumptions</a>.<a class="code" href="classCVC3_1_1CDList.html#ae2cf006604b1ab88139332a5e2c08568">begin</a>(),</div>
<div class="line"><a name="l01132"></a><span class="lineno"> 1132</span>  iIend=<a class="code" href="classCVC3_1_1SearchSat.html#ad3b9879d655cf3fce1a70de7b1d6fedc" title="List of all internal assumptions.">d_intAssumptions</a>.<a class="code" href="classCVC3_1_1CDList.html#a96313ff2924c89a93d7fe6c618c837af">end</a>();</div>
<div class="line"><a name="l01133"></a><span class="lineno"> 1133</span>  <span class="keywordflow">while</span> (<span class="keyword">true</span>) {</div>
<div class="line"><a name="l01134"></a><span class="lineno"> 1134</span>  <span class="keywordflow">if</span> (iI == iIend) {</div>
<div class="line"><a name="l01135"></a><span class="lineno"> 1135</span>  <span class="keywordflow">if</span> (iU == iUend) <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01136"></a><span class="lineno"> 1136</span>  assumptions.push_back((*iU).getExpr());</div>
<div class="line"><a name="l01137"></a><span class="lineno"> 1137</span>  ++iU;</div>
<div class="line"><a name="l01138"></a><span class="lineno"> 1138</span>  }</div>
<div class="line"><a name="l01139"></a><span class="lineno"> 1139</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (iU == iUend) {</div>
<div class="line"><a name="l01140"></a><span class="lineno"> 1140</span>  <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> intAssump = (*iI).getExpr();</div>
<div class="line"><a name="l01141"></a><span class="lineno"> 1141</span>  <span class="keywordflow">if</span> (!intAssump.<a class="code" href="group__ExprPkg.html#gadeefef680b6323acc5d79a553644be8e">isUserAssumption</a>()) {</div>
<div class="line"><a name="l01142"></a><span class="lineno"> 1142</span>  assumptions.push_back(intAssump);</div>
<div class="line"><a name="l01143"></a><span class="lineno"> 1143</span>  }</div>
<div class="line"><a name="l01144"></a><span class="lineno"> 1144</span>  ++iI;</div>
<div class="line"><a name="l01145"></a><span class="lineno"> 1145</span>  }</div>
<div class="line"><a name="l01146"></a><span class="lineno"> 1146</span>  <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01147"></a><span class="lineno"> 1147</span>  <span class="keywordflow">if</span> ((*iI).getScope() <= (*iU).getScope()) {</div>
<div class="line"><a name="l01148"></a><span class="lineno"> 1148</span>  <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> intAssump = (*iI).getExpr();</div>
<div class="line"><a name="l01149"></a><span class="lineno"> 1149</span>  <span class="keywordflow">if</span> (!intAssump.<a class="code" href="group__ExprPkg.html#gadeefef680b6323acc5d79a553644be8e">isUserAssumption</a>()) {</div>
<div class="line"><a name="l01150"></a><span class="lineno"> 1150</span>  assumptions.push_back(intAssump);</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>  ++iI;</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>  <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01155"></a><span class="lineno"> 1155</span>  assumptions.push_back((*iU).getExpr());</div>
<div class="line"><a name="l01156"></a><span class="lineno"> 1156</span>  ++iU;</div>
<div class="line"><a name="l01157"></a><span class="lineno"> 1157</span>  }</div>
<div class="line"><a name="l01158"></a><span class="lineno"> 1158</span>  }</div>
<div class="line"><a name="l01159"></a><span class="lineno"> 1159</span>  }</div>
<div class="line"><a name="l01160"></a><span class="lineno"> 1160</span> }</div>
<div class="line"><a name="l01161"></a><span class="lineno"> 1161</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"><a class="code" href="classCVC3_1_1SearchSat.html#a4ec713d6bbbd5d4bd6a9fcacc42a044e"> 1163</a></span> <span class="keywordtype">bool</span> <a class="code" href="classCVC3_1_1SearchSat.html#a4ec713d6bbbd5d4bd6a9fcacc42a044e" title="Check if the formula has already been assumed previously.">SearchSat::isAssumption</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="l01164"></a><span class="lineno"> 1164</span> {</div>
<div class="line"><a name="l01165"></a><span class="lineno"> 1165</span>  <span class="keywordflow">return</span> e.<a class="code" href="group__ExprPkg.html#gadeefef680b6323acc5d79a553644be8e">isUserAssumption</a>() || e.<a class="code" href="group__ExprPkg.html#gaf42121131fd56040faef7a64d9e67729">isIntAssumption</a>();</div>
<div class="line"><a name="l01166"></a><span class="lineno"> 1166</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"><a class="code" href="classCVC3_1_1SearchSat.html#af2296bfb7f363cb9b83ca2fa6042d496"> 1169</a></span> <span class="keywordtype">void</span> <a class="code" href="classCVC3_1_1SearchSat.html#af2296bfb7f363cb9b83ca2fa6042d496" title="Will return the set of assertions which make the queried formula false.">SearchSat::getCounterExample</a>(vector<Expr>& assumptions, <span class="keywordtype">bool</span> inOrder)</div>
<div class="line"><a name="l01170"></a><span class="lineno"> 1170</span> {</div>
<div class="line"><a name="l01171"></a><span class="lineno"> 1171</span>  <span class="keywordflow">if</span> (!<a class="code" href="classCVC3_1_1SearchSat.html#ab41637f4522c5e3f318993392adf84bb" title="Theorem from the last successful checkValid call. It is used by getProof and getAssumptions.">d_lastValid</a>.<a class="code" href="classCVC3_1_1CDO.html#a818fcacc7b30b0f05347335ab125626c">get</a>().<a class="code" href="classCVC3_1_1Theorem.html#afc6fdb0507eb3669e28d9be5ed0bd333">isNull</a>()) {</div>
<div class="line"><a name="l01172"></a><span class="lineno"> 1172</span>  <span class="keywordflow">throw</span> <a class="code" href="classCVC3_1_1Exception.html">Exception</a>(<span class="stringliteral">"Expected last query to be invalid"</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_1SearchSat.html#acee513ead4033fd5bfc16cbab7951dc7" title="Get assumptions made internally in this and all previous contexts.">getInternalAssumptions</a>(assumptions);</div>
<div class="line"><a name="l01175"></a><span class="lineno"> 1175</span> }</div>
<div class="line"><a name="l01176"></a><span class="lineno"> 1176</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"><a class="code" href="classCVC3_1_1SearchSat.html#aa8b7c9812f7f61fc567c502ef3240d85"> 1178</a></span> <a class="code" href="classCVC3_1_1Proof.html">Proof</a> <a class="code" href="classCVC3_1_1SearchSat.html#aa8b7c9812f7f61fc567c502ef3240d85" title="Returns the proof term for the last proven query.">SearchSat::getProof</a>()</div>
<div class="line"><a name="l01179"></a><span class="lineno"> 1179</span> {</div>
<div class="line"><a name="l01180"></a><span class="lineno"> 1180</span>  <span class="keywordflow">if</span>(!<a class="code" href="group__SE.html#ga3772c6af7eac91b9ed7fc278edf5ef90" title="Access to theory reasoning.">d_core</a>-><a class="code" href="classCVC3_1_1TheoryCore.html#af3077cff0601b8ae28e420ef5ce2ea37">getTM</a>()-><a class="code" href="classCVC3_1_1TheoremManager.html#a462f27eb0eca420b334354a9ddc7a257">withProof</a>())</div>
<div class="line"><a name="l01181"></a><span class="lineno"> 1181</span>  <span class="keywordflow">throw</span> <a class="code" href="classCVC3_1_1EvalException.html">EvalException</a></div>
<div class="line"><a name="l01182"></a><span class="lineno"> 1182</span>  (<span class="stringliteral">"getProof cannot be called without proofs activated"</span>);</div>
<div class="line"><a name="l01183"></a><span class="lineno"> 1183</span>  <span class="keywordflow">if</span>(<a class="code" href="classCVC3_1_1SearchSat.html#ab41637f4522c5e3f318993392adf84bb" title="Theorem from the last successful checkValid call. It is used by getProof and getAssumptions.">d_lastValid</a>.<a class="code" href="classCVC3_1_1CDO.html#a818fcacc7b30b0f05347335ab125626c">get</a>().<a class="code" href="classCVC3_1_1Theorem.html#afc6fdb0507eb3669e28d9be5ed0bd333">isNull</a>())</div>
<div class="line"><a name="l01184"></a><span class="lineno"> 1184</span>  <span class="keywordflow">throw</span> <a class="code" href="classCVC3_1_1EvalException.html">EvalException</a></div>
<div class="line"><a name="l01185"></a><span class="lineno"> 1185</span>  (<span class="stringliteral">"getProof must be called only after a successful check"</span>);</div>
<div class="line"><a name="l01186"></a><span class="lineno"> 1186</span>  <span class="keywordflow">if</span>(<a class="code" href="classCVC3_1_1SearchSat.html#ab41637f4522c5e3f318993392adf84bb" title="Theorem from the last successful checkValid call. It is used by getProof and getAssumptions.">d_lastValid</a>.<a class="code" href="classCVC3_1_1CDO.html#a818fcacc7b30b0f05347335ab125626c">get</a>().<a class="code" href="classCVC3_1_1Theorem.html#afc6fdb0507eb3669e28d9be5ed0bd333">isNull</a>()) <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1Proof.html">Proof</a>();</div>
<div class="line"><a name="l01187"></a><span class="lineno"> 1187</span>  <span class="keywordflow">else</span> <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1SearchSat.html#ab41637f4522c5e3f318993392adf84bb" title="Theorem from the last successful checkValid call. It is used by getProof and getAssumptions.">d_lastValid</a>.<a class="code" href="classCVC3_1_1CDO.html#a818fcacc7b30b0f05347335ab125626c">get</a>().<a class="code" href="classCVC3_1_1Theorem.html#a2d8352c07a756c3837683a27a1e659ef">getProof</a>();</div>
<div class="line"><a name="l01188"></a><span class="lineno"> 1188</span> }</div>
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