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<a href="vc_8h.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 vc.h</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * \brief Generic API for a validity checker</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: Tue Nov 26 17:45:10 2002</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * <hr></span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * License to use, copy, modify, sell and/or distribute this software</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * and its documentation for any purpose is hereby granted without</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * royalty, subject to the terms and conditions defined in the \ref</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * LICENSE file provided with this distribution.</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * <hr></span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment">/*****************************************************************************/</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#ifndef _cvc3__include__vc_h_</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor"></span><span class="preprocessor">#define _cvc3__include__vc_h_</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include "<a class="code" href="os_8h.html" title="Abstraction over different operating systems.">os.h</a>"</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include "<a class="code" href="queryresult_8h.html" title="enumerated type for result of queries">queryresult.h</a>"</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include "<a class="code" href="expr_8h.html" title="Definition of the API to expression package. See class Expr for details.">expr.h</a>"</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include "<a class="code" href="formula__value_8h.html" title="enumerated type for value of formulas">formula_value.h</a>"</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> </div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment">/*****************************************************************************/</span><span class="comment"></span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment">/*! Note that this list of modules is very incomplete</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment">/*****************************************************************************/</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> </div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment">/*****************************************************************************/</span><span class="comment"></span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment">/*!</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment"> *\defgroup CVC3 CVC3</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment"> *\brief The top level group which includes all of CVC3 documentation.</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment"> *@{</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment">/*****************************************************************************/</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment">/*****************************************************************************/</span><span class="comment"></span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="comment">/*!</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment"> *\defgroup BuildingBlocks Building Blocks</span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment"> *\brief Code providing basic infrastructure</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="comment">/*****************************************************************************/</span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> </div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="comment">/*****************************************************************************/</span><span class="comment"></span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="comment">/*!</span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment"> *\defgroup VC Validity Checker</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="comment"> *\brief The modules that make up the validity checker</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="comment">/*****************************************************************************/</span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="comment"></span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="comment">/*@}*/</span> <span class="comment">// end of group CVC3</span></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> <span class="comment">/*****************************************************************************/</span><span class="comment"></span></div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="comment">/*!</span></div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="comment"> *\defgroup VC_API Validity Checker API</span></div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="comment"> * \ingroup VC</span></div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="comment"> *\brief The library interface of the validity checker (class ValidityChecker)</span></div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="comment">/*****************************************************************************/</span></div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="keyword">namespace </span>CVC3 {</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> </div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="keyword">class </span>Context;</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="keyword">class </span>CLFlags;</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="keyword">class </span>Statistics;</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> </div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="comment">/*****************************************************************************/</span><span class="comment"></span></div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="comment">/*!</span></div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="comment"> *\class ValidityChecker</span></div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="comment"> *\brief Generic API for a validity checker</span></div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="comment"> *\ingroup VC_API</span></div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="comment"> *\anchor vc</span></div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="comment"> * Author: Clark Barrett</span></div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="comment"> * Created: Tue Nov 26 18:24:25 2002</span></div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="comment"> * All terms and formulas are represented as expressions using the Expr class.</span></div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="comment"> * The notion of a context is also important. A context is a "background" set</span></div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="comment"> * of formulas which are assumed to be true or false. Formulas can be added to</span></div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="comment"> * the context explicitly, using assertFormula, or they may be added as part of</span></div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="comment"> * processing a query command. At any time, the current set of formulas making</span></div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="comment"> * up the context can be retrieved using getAssumptions.</span></div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="comment">/*****************************************************************************/</span></div>
<div class="line"><a name="l00092"></a><span class="lineno"><a class="code" href="classCVC3_1_1ValidityChecker.html"> 92</a></span> <span class="keyword">class </span><a class="code" href="os_8h.html#a0035aac6379df39aa69feba98b2751ba">CVC_DLL</a> <a class="code" href="classCVC3_1_1ValidityChecker.html" title="Generic API for a validity checker.">ValidityChecker</a> {</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="keyword">public</span>:<span class="comment"></span></div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="comment"> //! Constructor</span></div>
<div class="line"><a name="l00096"></a><span class="lineno"><a class="code" href="classCVC3_1_1ValidityChecker.html#a15399f370b5af3e31e1ee2add14470bf"> 96</a></span> <span class="comment"></span> <a class="code" href="classCVC3_1_1ValidityChecker.html#a15399f370b5af3e31e1ee2add14470bf" title="Constructor.">ValidityChecker</a>() {}<span class="comment"></span></div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="comment"> //! Destructor</span></div>
<div class="line"><a name="l00098"></a><span class="lineno"><a class="code" href="classCVC3_1_1ValidityChecker.html#a4ba951ee63a5a1ffb804f282980a1a68"> 98</a></span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1ValidityChecker.html#a4ba951ee63a5a1ffb804f282980a1a68" title="Destructor.">~ValidityChecker</a>() {}</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="comment"></span></div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <span class="comment"> //! Return the set of command-line flags</span></div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="comment"></span><span class="comment"> /*! The flags are returned by reference, and if modified, will have an</span></div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="comment"> immediate effect on the subsequent commands. Note that not all flags will</span></div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="comment"> have such an effect; some flags are used only at initialization time (like</span></div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="comment"> "sat"), and therefore, will not take effect if modified after</span></div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="comment"> ValidityChecker is created.</span></div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1CLFlags.html">CLFlags</a>& getFlags() <span class="keyword">const</span> = 0;<span class="comment"></span></div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="comment"> //! Force reprocessing of all flags</span></div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="comment"></span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> reprocessFlags() = 0;</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>  <span class="comment">/***************************************************************************/</span></div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> <span class="comment"> * Static methods</span></div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="comment">/***************************************************************************/</span></div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="comment"></span></div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="comment"> //! Create the set of command line flags with default values;</span></div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span> <span class="comment"></span><span class="comment"> /*!</span></div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> <span class="comment"> \return the set of flags by value</span></div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keyword">static</span> <a class="code" href="classCVC3_1_1CLFlags.html">CLFlags</a> createFlags();<span class="comment"></span></div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> <span class="comment"> //! Create an instance of ValidityChecker</span></div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <span class="comment"></span><span class="comment"> /*!</span></div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span> <span class="comment"> \param flags is the set of command line flags.</span></div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keyword">static</span> <a class="code" href="classCVC3_1_1ValidityChecker.html" title="Generic API for a validity checker.">ValidityChecker</a>* create(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1CLFlags.html">CLFlags</a>& flags);<span class="comment"></span></div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span> <span class="comment"> //! Create an instance of ValidityChecker using default flag values.</span></div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span> <span class="comment"></span> <span class="keyword">static</span> <a class="code" href="classCVC3_1_1ValidityChecker.html" title="Generic API for a validity checker.">ValidityChecker</a>* create();</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span> </div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="comment">/***************************************************************************/</span><span class="comment"></span></div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span> <span class="comment"> *\name Type-related methods</span></div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="comment"> * Methods for creating and looking up types</span></div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <span class="comment"> *\sa class Type</span></div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="comment"> *@{</span></div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="comment">/***************************************************************************/</span></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="comment">// Basic types</span></div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a> boolType() = 0; <span class="comment">//!< Create type BOOLEAN</span></div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span> <span class="comment"></span></div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a> realType() = 0; <span class="comment">//!< Create type REAL</span></div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span> <span class="comment"></span></div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a> intType() = 0; <span class="comment">//!< Create type INT</span></div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="comment"></span><span class="comment"></span></div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span> <span class="comment"> //! Create a subrange type [l..r]</span></div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <span class="comment"></span><span class="comment"> /*! l and r can be Null; l=Null represents minus infinity, r=Null is</span></div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="comment"> * plus infinity.</span></div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a> subrangeType(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& l, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& r) = 0;</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> <span class="comment"></span></div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="comment"> //! Creates a subtype defined by the given predicate</span></div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span> <span class="comment"></span><span class="comment"> /*!</span></div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> <span class="comment"> * \param pred is a predicate taking one argument of type T and returning</span></div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span> <span class="comment"> * Boolean. The resulting type is a subtype of T whose elements x are those</span></div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span> <span class="comment"> * satisfying the predicate pred(x).</span></div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> <span class="comment"> * \param witness is an expression of type T for which pred holds (if a Null</span></div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span> <span class="comment"> * expression is passed as a witness, cvc will try to prove \f$\exists x. pred(x))\f$.</span></div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="comment"> * if the witness check fails, a TypecheckException is thrown.</span></div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a> subtypeType(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& pred, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& witness) = 0;</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span> </div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="comment">// Tuple types</span><span class="comment"></span></div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span> <span class="comment"> //! 2-element tuple</span></div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a> tupleType(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a>& type0, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a>& type1) = 0;</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span> <span class="comment"></span></div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span> <span class="comment"> //! 3-element tuple</span></div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a> tupleType(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a>& type0, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a>& type1,</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a>& type2) = 0;<span class="comment"></span></div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span> <span class="comment"> //! n-element tuple (from a vector of types)</span></div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a> tupleType(<span class="keyword">const</span> std::vector<Type>& types) = 0;</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span> </div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="comment">// Record types</span><span class="comment"></span></div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span> <span class="comment"> //! 1-element record</span></div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a> recordType(<span class="keyword">const</span> std::string& field, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a>& type) = 0;</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span> <span class="comment"></span></div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span> <span class="comment"> //! 2-element record</span></div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span> <span class="comment"></span><span class="comment"> /*! Fields will be sorted automatically */</span></div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a> recordType(<span class="keyword">const</span> std::string& field0, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a>& type0,</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keyword">const</span> std::string& field1, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a>& type1) = 0;<span class="comment"></span></div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span> <span class="comment"> //! 3-element record</span></div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span> <span class="comment"></span><span class="comment"> /*! Fields will be sorted automatically */</span></div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a> recordType(<span class="keyword">const</span> std::string& field0, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a>& type0,</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keyword">const</span> std::string& field1, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a>& type1,</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="keyword">const</span> std::string& field2, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a>& type2) = 0;<span class="comment"></span></div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span> <span class="comment"> //! n-element record (fields and types must be of the same length)</span></div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span> <span class="comment"></span><span class="comment"> /*! Fields will be sorted automatically */</span></div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a> recordType(<span class="keyword">const</span> std::vector<std::string>& fields,</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keyword">const</span> std::vector<Type>& types) = 0;</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>  <span class="comment">// Datatypes</span></div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span> <span class="comment"></span></div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span> <span class="comment"> //! Single datatype, single constructor</span></div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span> <span class="comment"></span><span class="comment"> /*! The types are either type exressions (obtained from a type with</span></div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span> <span class="comment"> * getExpr()) or string expressions containing the name of (one of) the</span></div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span> <span class="comment"> * dataType(s) being defined. */</span></div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a> dataType(<span class="keyword">const</span> std::string& name,</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keyword">const</span> std::string& constructor,</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="keyword">const</span> std::vector<std::string>& selectors,</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="keyword">const</span> std::vector<Expr>& types) = 0;</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span> <span class="comment"></span></div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span> <span class="comment"> //! Single datatype, multiple constructors</span></div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span> <span class="comment"></span><span class="comment"> /*! The types are either type exressions (obtained from a type with</span></div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span> <span class="comment"> * getExpr()) or string expressions containing the name of (one of) the</span></div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span> <span class="comment"> * dataType(s) being defined. */</span></div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a> dataType(<span class="keyword">const</span> std::string& name,</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="keyword">const</span> std::vector<std::string>& constructors,</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="keyword">const</span> std::vector<std::vector<std::string> >& selectors,</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="keyword">const</span> std::vector<std::vector<Expr> >& types) = 0;</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span> <span class="comment"></span></div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span> <span class="comment"> //! Multiple datatypes</span></div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span> <span class="comment"></span><span class="comment"> /*! The types are either type exressions (obtained from a type with</span></div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span> <span class="comment"> * getExpr()) or string expressions containing the name of (one of) the</span></div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span> <span class="comment"> * dataType(s) being defined. */</span></div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> dataType(<span class="keyword">const</span> std::vector<std::string>& names,</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="keyword">const</span> std::vector<std::vector<std::string> >& constructors,</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keyword">const</span> std::vector<std::vector<std::vector<std::string> > >& selectors,</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="keyword">const</span> std::vector<std::vector<std::vector<Expr> > >& types,</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  std::vector<Type>& returnTypes) = 0;</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span> <span class="comment"></span></div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span> <span class="comment"> //! Create an array type (ARRAY typeIndex OF typeData)</span></div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a> <a class="code" href="namespaceCVC3.html#a587d33ff63396be21a99bf4d744b2b98">arrayType</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a>& typeIndex, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a>& typeData) = 0;</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span> <span class="comment"></span></div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span> <span class="comment"> //! Create a bitvector type of length n</span></div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a> bitvecType(<span class="keywordtype">int</span> n) = 0;</div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span> <span class="comment"></span></div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span> <span class="comment"> //! Create a function type typeDom -> typeRan</span></div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a> funType(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a>& typeDom, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a>& typeRan) = 0;</div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span> <span class="comment"></span></div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span> <span class="comment"> //! Create a function type (t1,t2,...,tn) -> typeRan</span></div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a> funType(<span class="keyword">const</span> std::vector<Type>& typeDom, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a>& typeRan) = 0;</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span> <span class="comment"></span></div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span> <span class="comment"> //! Create named user-defined uninterpreted type</span></div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a> createType(<span class="keyword">const</span> std::string& typeName) = 0;</div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span> <span class="comment"></span></div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span> <span class="comment"> //! Create named user-defined interpreted type (type abbreviation)</span></div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a> createType(<span class="keyword">const</span> std::string& typeName, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a>& def) = 0;</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span> <span class="comment"></span></div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span> <span class="comment"> //! Lookup a user-defined (uninterpreted) type by name. Returns Null if none.</span></div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a> lookupType(<span class="keyword">const</span> std::string& typeName) = 0;</div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span> <span class="comment"></span></div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span> <span class="comment"> /*@}*/</span> <span class="comment">// End of Type-related methods</span></div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span> </div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="comment">/***************************************************************************/</span><span class="comment"></span></div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span> <span class="comment"> *\name General Expr methods</span></div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span> <span class="comment"> *\sa class Expr</span></div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span> <span class="comment"> *\sa class ExprManager</span></div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span> <span class="comment"> *@{</span></div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <span class="comment">/***************************************************************************/</span></div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span> <span class="comment"></span></div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span> <span class="comment"> //! Return the ExprManager</span></div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1ExprManager.html">ExprManager</a>* getEM() = 0;</div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span> <span class="comment"></span></div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span> <span class="comment"> //! Create a variable with a given name and type</span></div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span> <span class="comment"></span><span class="comment"> /*!</span></div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span> <span class="comment"> \param name is the name of the variable</span></div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span> <span class="comment"> \param type is its type. The type cannot be a function type.</span></div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span> <span class="comment"> \return an Expr representation of a new variable</span></div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> varExpr(<span class="keyword">const</span> std::string& name, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a>& type) = 0;</div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span> <span class="comment"></span></div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span> <span class="comment"> //! Create a variable with a given name, type, and value</span></div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> varExpr(<span class="keyword">const</span> std::string& name, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a>& type,</div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& def) = 0;</div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span> <span class="comment"></span></div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span> <span class="comment"> //! Get the variable associated with a name, and its type</span></div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span> <span class="comment"></span><span class="comment"> /*!</span></div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span> <span class="comment"> \param name is the variable name</span></div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span> <span class="comment"> \param type is where the type value is returned</span></div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span> <span class="comment"></span></div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span> <span class="comment"> \return a variable by the name. If there is no such Expr, a NULL \</span></div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span> <span class="comment"> Expr is returned.</span></div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> lookupVar(<span class="keyword">const</span> std::string& name, <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a>* type) = 0;</div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span> <span class="comment"></span></div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span> <span class="comment"> //! Get the type of the Expr.</span></div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a> getType(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& e) = 0;</div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span> <span class="comment"></span></div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span> <span class="comment"> //! Get the largest supertype of the Expr.</span></div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a> getBaseType(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& e) = 0;</div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span> <span class="comment"></span></div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span> <span class="comment"> //! Get the largest supertype of the Type.</span></div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a> getBaseType(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a>& t) = 0;</div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span> <span class="comment"></span></div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span> <span class="comment"> //! Get the subtype predicate</span></div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> getTypePred(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a>&t, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& e) = 0;</div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span> <span class="comment"></span></div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span> <span class="comment"> //! Create a string Expr</span></div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> stringExpr(<span class="keyword">const</span> std::string& str) = 0;</div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span> <span class="comment"></span></div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span> <span class="comment"> //! Create an ID Expr</span></div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> idExpr(<span class="keyword">const</span> std::string& name) = 0;</div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span> <span class="comment"></span></div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span> <span class="comment"> //! Create a list Expr</span></div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span> <span class="comment"></span><span class="comment"> /*! Intermediate representation for DP-specific expressions.</span></div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span> <span class="comment"> * Normally, the first element of the list is a string Expr</span></div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span> <span class="comment"> * representing an operator, and the rest of the list are the</span></div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span> <span class="comment"> * arguments. For example,</span></div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span> <span class="comment"> * kids.push_back(vc->stringExpr("PLUS"));</span></div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span> <span class="comment"> * kids.push_back(x); // x and y are previously created Exprs</span></div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span> <span class="comment"> * kids.push_back(y);</span></div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span> <span class="comment"> * Expr lst = vc->listExpr(kids);</span></div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span> <span class="comment"> * Or, alternatively (using its overloaded version):</span></div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span> <span class="comment"> * Expr lst = vc->listExpr("PLUS", x, y);</span></div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span> <span class="comment"> * or</span></div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span> <span class="comment"> * vector<Expr> summands;</span></div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span> <span class="comment"> * summands.push_back(x); summands.push_back(y); ...</span></div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span> <span class="comment"> * Expr lst = vc->listExpr("PLUS", summands);</span></div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> listExpr(<span class="keyword">const</span> std::vector<Expr>& kids) = 0;</div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span> <span class="comment"></span></div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span> <span class="comment"> //! Overloaded version of listExpr with one argument</span></div>
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> listExpr(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& e1) = 0;</div>
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span> <span class="comment"></span></div>
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span> <span class="comment"> //! Overloaded version of listExpr with two arguments</span></div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> listExpr(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& e1, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& e2) = 0;</div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span> <span class="comment"></span></div>
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span> <span class="comment"> //! Overloaded version of listExpr with three arguments</span></div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> listExpr(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& e1, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& e2, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& e3) = 0;</div>
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span> <span class="comment"></span></div>
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span> <span class="comment"> //! Overloaded version of listExpr with string operator and many arguments</span></div>
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> listExpr(<span class="keyword">const</span> std::string& op,</div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  <span class="keyword">const</span> std::vector<Expr>& kids) = 0;</div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span> <span class="comment"></span></div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span> <span class="comment"> //! Overloaded version of listExpr with string operator and one argument</span></div>
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> listExpr(<span class="keyword">const</span> std::string& op, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& e1) = 0;</div>
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span> <span class="comment"></span></div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span> <span class="comment"> //! Overloaded version of listExpr with string operator and two arguments</span></div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> listExpr(<span class="keyword">const</span> std::string& op, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& e1,</div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& e2) = 0;</div>
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span> <span class="comment"></span></div>
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span> <span class="comment"> //! Overloaded version of listExpr with string operator and three arguments</span></div>
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> listExpr(<span class="keyword">const</span> std::string& op, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& e1,</div>
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& e2, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& e3) = 0;</div>
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span> <span class="comment"></span></div>
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span> <span class="comment"> //! Prints e to the standard output</span></div>
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span> <span class="comment"></span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> printExpr(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& e) = 0;</div>
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span> <span class="comment"></span></div>
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span> <span class="comment"> //! Prints e to the given ostream</span></div>
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span> <span class="comment"></span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> printExpr(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& e, std::ostream& os) = 0;</div>
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span> <span class="comment"></span></div>
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span> <span class="comment"> //! Parse an expression using a Theory-specific parser</span></div>
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> parseExpr(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& e) = 0;</div>
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span> <span class="comment"></span></div>
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span> <span class="comment"> //! Parse a type expression using a Theory-specific parser</span></div>
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a> parseType(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& e) = 0;</div>
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span> <span class="comment"></span></div>
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span> <span class="comment"> //! Import the Expr from another instance of ValidityChecker</span></div>
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span> <span class="comment"></span><span class="comment"> /*! When expressions need to be passed among several instances of</span></div>
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span> <span class="comment"> * ValidityChecker, they need to be explicitly imported into the</span></div>
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span> <span class="comment"> * corresponding instance using this method. The return result is</span></div>
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span> <span class="comment"> * an identical expression that belongs to the current instance of</span></div>
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span> <span class="comment"> * ValidityChecker, and can be safely used as part of more complex</span></div>
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span> <span class="comment"> * expressions from the same instance.</span></div>
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> importExpr(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& e) = 0;</div>
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span> <span class="comment"></span></div>
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span> <span class="comment"> //! Import the Type from another instance of ValidityChecker</span></div>
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span> <span class="comment"></span><span class="comment"> /*! \sa getType() */</span></div>
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a> importType(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a>& t) = 0;</div>
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span> <span class="comment"></span></div>
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span> <span class="comment"> //! Parse a sequence of commands from a presentation language string</span></div>
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span> <span class="comment"></span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> cmdsFromString(<span class="keyword">const</span> std::string& s,</div>
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  <a class="code" href="namespaceCVC3.html#a3aaaf7bc1fc47a4860ef6e59ddb0db0e" title="Different input languages.">InputLanguage</a> lang=<a class="code" href="namespaceCVC3.html#a3aaaf7bc1fc47a4860ef6e59ddb0db0eaa315c228d5c3290ce37df81524ed8e9a" title="Nice SAL-like language for manually written specs.">PRESENTATION_LANG</a>) = 0;</div>
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span> <span class="comment"></span></div>
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span> <span class="comment"> //! Parse an expression from a presentation language string</span></div>
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> exprFromString(<span class="keyword">const</span> std::string& e) = 0;</div>
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span> <span class="comment"></span></div>
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span> <span class="comment"> /*@}*/</span> <span class="comment">// End of General Expr Methods</span></div>
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span> </div>
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  <span class="comment">/***************************************************************************/</span><span class="comment"></span></div>
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span> <span class="comment"> *\name Core expression methods</span></div>
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span> <span class="comment"> * Methods for manipulating core expressions</span></div>
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span> <span class="comment"> * Except for equality and ite, the children provided as arguments must be of</span></div>
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span> <span class="comment"> * type Boolean.</span></div>
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span> <span class="comment"> *@{</span></div>
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  <span class="comment">/***************************************************************************/</span></div>
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span> <span class="comment"></span></div>
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span> <span class="comment"> //! Return TRUE Expr</span></div>
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> trueExpr() = 0;</div>
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span> <span class="comment"></span></div>
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span> <span class="comment"> //! Return FALSE Expr</span></div>
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> falseExpr() = 0;</div>
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span> <span class="comment"></span></div>
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span> <span class="comment"> //! Create negation</span></div>
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> notExpr(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& child) = 0;</div>
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span> <span class="comment"></span></div>
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span> <span class="comment"> //! Create 2-element conjunction</span></div>
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> <a class="code" href="namespaceCVC3.html#ad4258158bba138eb54b9080af7f8223a">andExpr</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& <a class="code" href="namespaceMiniSat.html#ad93cb56673487974071ed3b75bf4ea83">left</a>, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& <a class="code" href="namespaceMiniSat.html#a82558b7a36c52f5d3211d5d14bed99d4">right</a>) = 0;</div>
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span> <span class="comment"></span></div>
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span> <span class="comment"> //! Create n-element conjunction</span></div>
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> <a class="code" href="namespaceCVC3.html#ad4258158bba138eb54b9080af7f8223a">andExpr</a>(<span class="keyword">const</span> std::vector<Expr>& children) = 0;</div>
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span> <span class="comment"></span></div>
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span> <span class="comment"> //! Create 2-element disjunction</span></div>
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> <a class="code" href="namespaceCVC3.html#a30f30b6e20c174f21ae63acea8618294">orExpr</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& <a class="code" href="namespaceMiniSat.html#ad93cb56673487974071ed3b75bf4ea83">left</a>, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& <a class="code" href="namespaceMiniSat.html#a82558b7a36c52f5d3211d5d14bed99d4">right</a>) = 0;</div>
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span> <span class="comment"></span></div>
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span> <span class="comment"> //! Create n-element disjunction</span></div>
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> <a class="code" href="namespaceCVC3.html#a30f30b6e20c174f21ae63acea8618294">orExpr</a>(<span class="keyword">const</span> std::vector<Expr>& children) = 0;</div>
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span> <span class="comment"></span></div>
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span> <span class="comment"> //! Create Boolean implication</span></div>
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> impliesExpr(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& hyp, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& conc) = 0;</div>
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span> <span class="comment"></span></div>
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span> <span class="comment"> //! Create left IFF right (boolean equivalence)</span></div>
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> iffExpr(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& <a class="code" href="namespaceMiniSat.html#ad93cb56673487974071ed3b75bf4ea83">left</a>, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& <a class="code" href="namespaceMiniSat.html#a82558b7a36c52f5d3211d5d14bed99d4">right</a>) = 0;</div>
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span> <span class="comment"></span></div>
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span> <span class="comment"> //! Create an equality expression.</span></div>
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span> <span class="comment"></span><span class="comment"> /*!</span></div>
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span> <span class="comment"> The two children must have the same type, and cannot be of type</span></div>
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span> <span class="comment"> Boolean.</span></div>
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> eqExpr(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& child0, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& child1) = 0;</div>
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span> <span class="comment"></span></div>
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span> <span class="comment"> //! Create IF ifpart THEN thenpart ELSE elsepart ENDIF</span></div>
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span> <span class="comment"></span><span class="comment"> /*!</span></div>
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span> <span class="comment"> \param ifpart must be of type Boolean.</span></div>
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span> <span class="comment"> \param thenpart and \param elsepart must have the same type, which will</span></div>
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span> <span class="comment"> also be the type of the ite expression.</span></div>
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> iteExpr(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& ifpart, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& thenpart,</div>
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& elsepart) = 0;</div>
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span> <span class="comment"></span></div>
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span> <span class="comment"> /**</span></div>
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span> <span class="comment"> * Create an expression asserting that all the children are different.</span></div>
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span> <span class="comment"> * @param children the children to be asserted different</span></div>
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> distinctExpr(<span class="keyword">const</span> std::vector<Expr>& children) = 0;</div>
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span> <span class="comment"></span></div>
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span> <span class="comment"> /*@}*/</span> <span class="comment">// End of Core expression methods</span></div>
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span> </div>
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  <span class="comment">/***************************************************************************/</span><span class="comment"></span></div>
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span> <span class="comment"> *\name User-defined (uninterpreted) function methods</span></div>
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span> <span class="comment"> * Methods for manipulating uninterpreted function expressions</span></div>
<div class="line"><a name="l00445"></a><span class="lineno"> 445</span> <span class="comment"> *@{</span></div>
<div class="line"><a name="l00446"></a><span class="lineno"> 446</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  <span class="comment">/***************************************************************************/</span></div>
<div class="line"><a name="l00448"></a><span class="lineno"> 448</span> <span class="comment"></span></div>
<div class="line"><a name="l00449"></a><span class="lineno"> 449</span> <span class="comment"> //! Create a named uninterpreted function with a given type</span></div>
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span> <span class="comment"></span><span class="comment"> /*!</span></div>
<div class="line"><a name="l00451"></a><span class="lineno"> 451</span> <span class="comment"> \param name is the new function's name (as ID Expr)</span></div>
<div class="line"><a name="l00452"></a><span class="lineno"> 452</span> <span class="comment"> \param type is a function type ( [range -> domain] )</span></div>
<div class="line"><a name="l00453"></a><span class="lineno"> 453</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Op.html">Op</a> createOp(<span class="keyword">const</span> std::string& name, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a>& type) = 0;</div>
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span> <span class="comment"></span></div>
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span> <span class="comment"> //! Create a named user-defined function with a given type</span></div>
<div class="line"><a name="l00457"></a><span class="lineno"> 457</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Op.html">Op</a> createOp(<span class="keyword">const</span> std::string& name, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a>& type,</div>
<div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& def) = 0;</div>
<div class="line"><a name="l00459"></a><span class="lineno"> 459</span> <span class="comment"></span></div>
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span> <span class="comment"> //! Get the Op associated with a name, and its type</span></div>
<div class="line"><a name="l00461"></a><span class="lineno"> 461</span> <span class="comment"></span><span class="comment"> /*!</span></div>
<div class="line"><a name="l00462"></a><span class="lineno"> 462</span> <span class="comment"> \param name is the operator name</span></div>
<div class="line"><a name="l00463"></a><span class="lineno"> 463</span> <span class="comment"> \param type is where the type value is returned</span></div>
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span> <span class="comment"></span></div>
<div class="line"><a name="l00465"></a><span class="lineno"> 465</span> <span class="comment"> \return an Op by the name. If there is no such Op, a NULL \</span></div>
<div class="line"><a name="l00466"></a><span class="lineno"> 466</span> <span class="comment"> Op is returned.</span></div>
<div class="line"><a name="l00467"></a><span class="lineno"> 467</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Op.html">Op</a> lookupOp(<span class="keyword">const</span> std::string& name, <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a>* type) = 0;</div>
<div class="line"><a name="l00469"></a><span class="lineno"> 469</span> <span class="comment"></span></div>
<div class="line"><a name="l00470"></a><span class="lineno"> 470</span> <span class="comment"> //! Unary function application (op must be of function type)</span></div>
<div class="line"><a name="l00471"></a><span class="lineno"> 471</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> funExpr(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Op.html">Op</a>& op, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& child) = 0;</div>
<div class="line"><a name="l00472"></a><span class="lineno"> 472</span> <span class="comment"></span></div>
<div class="line"><a name="l00473"></a><span class="lineno"> 473</span> <span class="comment"> //! Binary function application (op must be of function type)</span></div>
<div class="line"><a name="l00474"></a><span class="lineno"> 474</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> funExpr(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Op.html">Op</a>& op, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& <a class="code" href="namespaceMiniSat.html#ad93cb56673487974071ed3b75bf4ea83">left</a>, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& <a class="code" href="namespaceMiniSat.html#a82558b7a36c52f5d3211d5d14bed99d4">right</a>) = 0;</div>
<div class="line"><a name="l00475"></a><span class="lineno"> 475</span> <span class="comment"></span></div>
<div class="line"><a name="l00476"></a><span class="lineno"> 476</span> <span class="comment"> //! Ternary function application (op must be of function type)</span></div>
<div class="line"><a name="l00477"></a><span class="lineno"> 477</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> funExpr(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Op.html">Op</a>& op, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& child0,</div>
<div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& child1, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& child2) = 0;</div>
<div class="line"><a name="l00479"></a><span class="lineno"> 479</span> <span class="comment"></span></div>
<div class="line"><a name="l00480"></a><span class="lineno"> 480</span> <span class="comment"> //! n-ary function application (op must be of function type)</span></div>
<div class="line"><a name="l00481"></a><span class="lineno"> 481</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> funExpr(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Op.html">Op</a>& op, <span class="keyword">const</span> std::vector<Expr>& children) = 0;</div>
<div class="line"><a name="l00482"></a><span class="lineno"> 482</span> <span class="comment"></span></div>
<div class="line"><a name="l00483"></a><span class="lineno"> 483</span> <span class="comment"> /*@}*/</span> <span class="comment">// End of User-defined (uninterpreted) function methods</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>  <span class="comment">/***************************************************************************/</span><span class="comment"></span></div>
<div class="line"><a name="l00486"></a><span class="lineno"> 486</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00487"></a><span class="lineno"> 487</span> <span class="comment"> *\name Arithmetic expression methods</span></div>
<div class="line"><a name="l00488"></a><span class="lineno"> 488</span> <span class="comment"> * Methods for manipulating arithmetic expressions</span></div>
<div class="line"><a name="l00489"></a><span class="lineno"> 489</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00490"></a><span class="lineno"> 490</span> <span class="comment"> * These functions create arithmetic expressions. The children provided</span></div>
<div class="line"><a name="l00491"></a><span class="lineno"> 491</span> <span class="comment"> * as arguments must be of type Real.</span></div>
<div class="line"><a name="l00492"></a><span class="lineno"> 492</span> <span class="comment"> *@{</span></div>
<div class="line"><a name="l00493"></a><span class="lineno"> 493</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00494"></a><span class="lineno"> 494</span>  <span class="comment">/***************************************************************************/</span></div>
<div class="line"><a name="l00495"></a><span class="lineno"> 495</span> <span class="comment"></span></div>
<div class="line"><a name="l00496"></a><span class="lineno"> 496</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00497"></a><span class="lineno"> 497</span> <span class="comment"> * Add the pair of variables to the variable ordering for aritmetic solving.</span></div>
<div class="line"><a name="l00498"></a><span class="lineno"> 498</span> <span class="comment"> * Terms that are not arithmetic will be ignored.</span></div>
<div class="line"><a name="l00499"></a><span class="lineno"> 499</span> <span class="comment"> * \param smaller the smaller variable</span></div>
<div class="line"><a name="l00500"></a><span class="lineno"> 500</span> <span class="comment"> * \param bigger the bigger variable</span></div>
<div class="line"><a name="l00501"></a><span class="lineno"> 501</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span> addPairToArithOrder(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& smaller, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& bigger) = 0;</div>
<div class="line"><a name="l00503"></a><span class="lineno"> 503</span> <span class="comment"></span></div>
<div class="line"><a name="l00504"></a><span class="lineno"> 504</span> <span class="comment"> //! Create a rational number with numerator n and denominator d.</span></div>
<div class="line"><a name="l00505"></a><span class="lineno"> 505</span> <span class="comment"></span><span class="comment"> /*!</span></div>
<div class="line"><a name="l00506"></a><span class="lineno"> 506</span> <span class="comment"> \param n the numerator</span></div>
<div class="line"><a name="l00507"></a><span class="lineno"> 507</span> <span class="comment"> \param d the denominator, cannot be 0.</span></div>
<div class="line"><a name="l00508"></a><span class="lineno"> 508</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> ratExpr(<span class="keywordtype">int</span> n, <span class="keywordtype">int</span> d = 1) = 0;</div>
<div class="line"><a name="l00510"></a><span class="lineno"> 510</span> <span class="comment"></span></div>
<div class="line"><a name="l00511"></a><span class="lineno"> 511</span> <span class="comment"> //! Create a rational number with numerator n and denominator d.</span></div>
<div class="line"><a name="l00512"></a><span class="lineno"> 512</span> <span class="comment"></span><span class="comment"> /*!</span></div>
<div class="line"><a name="l00513"></a><span class="lineno"> 513</span> <span class="comment"> Here n and d are given as strings. They are converted to</span></div>
<div class="line"><a name="l00514"></a><span class="lineno"> 514</span> <span class="comment"> arbitrary-precision integers according to the given base.</span></div>
<div class="line"><a name="l00515"></a><span class="lineno"> 515</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> ratExpr(<span class="keyword">const</span> std::string& n, <span class="keyword">const</span> std::string& d, <span class="keywordtype">int</span> base) = 0;</div>
<div class="line"><a name="l00517"></a><span class="lineno"> 517</span> <span class="comment"></span></div>
<div class="line"><a name="l00518"></a><span class="lineno"> 518</span> <span class="comment"> //! Create a rational from a single string.</span></div>
<div class="line"><a name="l00519"></a><span class="lineno"> 519</span> <span class="comment"></span><span class="comment"> /*!</span></div>
<div class="line"><a name="l00520"></a><span class="lineno"> 520</span> <span class="comment"> \param n can be a string containing an integer, a pair of integers</span></div>
<div class="line"><a name="l00521"></a><span class="lineno"> 521</span> <span class="comment"> "nnn/ddd", or a number in the fixed or floating point format.</span></div>
<div class="line"><a name="l00522"></a><span class="lineno"> 522</span> <span class="comment"> \param base is the base in which to interpret the string.</span></div>
<div class="line"><a name="l00523"></a><span class="lineno"> 523</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> ratExpr(<span class="keyword">const</span> std::string& n, <span class="keywordtype">int</span> base = 10) = 0;</div>
<div class="line"><a name="l00525"></a><span class="lineno"> 525</span> <span class="comment"></span></div>
<div class="line"><a name="l00526"></a><span class="lineno"> 526</span> <span class="comment"> //! Unary minus.</span></div>
<div class="line"><a name="l00527"></a><span class="lineno"> 527</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> <a class="code" href="namespaceCVC3.html#a8eccf9a3ce48e30b704c1b689bfe3eff">uminusExpr</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& child) = 0;</div>
<div class="line"><a name="l00528"></a><span class="lineno"> 528</span> <span class="comment"></span></div>
<div class="line"><a name="l00529"></a><span class="lineno"> 529</span> <span class="comment"> //! Create 2-element sum (left + right)</span></div>
<div class="line"><a name="l00530"></a><span class="lineno"> 530</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> <a class="code" href="namespaceCVC3.html#accd3d7d38b0e04136afbc3e5191bc8bb">plusExpr</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& <a class="code" href="namespaceMiniSat.html#ad93cb56673487974071ed3b75bf4ea83">left</a>, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& <a class="code" href="namespaceMiniSat.html#a82558b7a36c52f5d3211d5d14bed99d4">right</a>) = 0;</div>
<div class="line"><a name="l00531"></a><span class="lineno"> 531</span> <span class="comment"></span></div>
<div class="line"><a name="l00532"></a><span class="lineno"> 532</span> <span class="comment"> //! Create n-element sum</span></div>
<div class="line"><a name="l00533"></a><span class="lineno"> 533</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> <a class="code" href="namespaceCVC3.html#accd3d7d38b0e04136afbc3e5191bc8bb">plusExpr</a>(<span class="keyword">const</span> std::vector<Expr>& children) = 0;</div>
<div class="line"><a name="l00534"></a><span class="lineno"> 534</span> <span class="comment"></span></div>
<div class="line"><a name="l00535"></a><span class="lineno"> 535</span> <span class="comment"> //! Make a difference (left - right)</span></div>
<div class="line"><a name="l00536"></a><span class="lineno"> 536</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> <a class="code" href="namespaceCVC3.html#a9ba326c305c5aeb61de515009aaa61f8">minusExpr</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& <a class="code" href="namespaceMiniSat.html#ad93cb56673487974071ed3b75bf4ea83">left</a>, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& <a class="code" href="namespaceMiniSat.html#a82558b7a36c52f5d3211d5d14bed99d4">right</a>) = 0;</div>
<div class="line"><a name="l00537"></a><span class="lineno"> 537</span> <span class="comment"></span></div>
<div class="line"><a name="l00538"></a><span class="lineno"> 538</span> <span class="comment"> //! Create a product (left * right)</span></div>
<div class="line"><a name="l00539"></a><span class="lineno"> 539</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> <a class="code" href="namespaceCVC3.html#adb35e0739f86730543924dbc8211a778">multExpr</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& <a class="code" href="namespaceMiniSat.html#ad93cb56673487974071ed3b75bf4ea83">left</a>, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& <a class="code" href="namespaceMiniSat.html#a82558b7a36c52f5d3211d5d14bed99d4">right</a>) = 0;</div>
<div class="line"><a name="l00540"></a><span class="lineno"> 540</span> <span class="comment"></span></div>
<div class="line"><a name="l00541"></a><span class="lineno"> 541</span> <span class="comment"> //! Create a power expression (x ^ n); n must be integer</span></div>
<div class="line"><a name="l00542"></a><span class="lineno"> 542</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> <a class="code" href="namespaceCVC3.html#aa123bf4eb1751181baf16c5e80b47740" title="Power (x^n, or base^{pow}) expressions.">powExpr</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& x, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& n) = 0;</div>
<div class="line"><a name="l00543"></a><span class="lineno"> 543</span> <span class="comment"></span></div>
<div class="line"><a name="l00544"></a><span class="lineno"> 544</span> <span class="comment"> //! Create expression x / y</span></div>
<div class="line"><a name="l00545"></a><span class="lineno"> 545</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> <a class="code" href="namespaceCVC3.html#a36b5fb04640e2f95f74a58837ae04f68">divideExpr</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& numerator, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& denominator) = 0;</div>
<div class="line"><a name="l00546"></a><span class="lineno"> 546</span> <span class="comment"></span></div>
<div class="line"><a name="l00547"></a><span class="lineno"> 547</span> <span class="comment"> //! Create (left < right)</span></div>
<div class="line"><a name="l00548"></a><span class="lineno"> 548</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> <a class="code" href="namespaceCVC3.html#ac9ccba18a3c725634b1f8ba8e99e627f">ltExpr</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& <a class="code" href="namespaceMiniSat.html#ad93cb56673487974071ed3b75bf4ea83">left</a>, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& <a class="code" href="namespaceMiniSat.html#a82558b7a36c52f5d3211d5d14bed99d4">right</a>) = 0;</div>
<div class="line"><a name="l00549"></a><span class="lineno"> 549</span> <span class="comment"></span></div>
<div class="line"><a name="l00550"></a><span class="lineno"> 550</span> <span class="comment"> //! Create (left <= right)</span></div>
<div class="line"><a name="l00551"></a><span class="lineno"> 551</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> <a class="code" href="namespaceCVC3.html#aebfd8a82800bd3dff4c8db461a52cdea">leExpr</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& <a class="code" href="namespaceMiniSat.html#ad93cb56673487974071ed3b75bf4ea83">left</a>, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& <a class="code" href="namespaceMiniSat.html#a82558b7a36c52f5d3211d5d14bed99d4">right</a>) = 0;</div>
<div class="line"><a name="l00552"></a><span class="lineno"> 552</span> <span class="comment"></span></div>
<div class="line"><a name="l00553"></a><span class="lineno"> 553</span> <span class="comment"> //! Create (left > right)</span></div>
<div class="line"><a name="l00554"></a><span class="lineno"> 554</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> <a class="code" href="namespaceCVC3.html#a8ad355d6650f2dfa754419c634e36afb">gtExpr</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& <a class="code" href="namespaceMiniSat.html#ad93cb56673487974071ed3b75bf4ea83">left</a>, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& <a class="code" href="namespaceMiniSat.html#a82558b7a36c52f5d3211d5d14bed99d4">right</a>) = 0;</div>
<div class="line"><a name="l00555"></a><span class="lineno"> 555</span> <span class="comment"></span></div>
<div class="line"><a name="l00556"></a><span class="lineno"> 556</span> <span class="comment"> //! Create (left >= right)</span></div>
<div class="line"><a name="l00557"></a><span class="lineno"> 557</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> <a class="code" href="namespaceCVC3.html#a520cf0df288be321d27ea6fa77ded2d2">geExpr</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& <a class="code" href="namespaceMiniSat.html#ad93cb56673487974071ed3b75bf4ea83">left</a>, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& <a class="code" href="namespaceMiniSat.html#a82558b7a36c52f5d3211d5d14bed99d4">right</a>) = 0;</div>
<div class="line"><a name="l00558"></a><span class="lineno"> 558</span> <span class="comment"></span></div>
<div class="line"><a name="l00559"></a><span class="lineno"> 559</span> <span class="comment"> /*@}*/</span> <span class="comment">// End of Arithmetic expression methods</span></div>
<div class="line"><a name="l00560"></a><span class="lineno"> 560</span> </div>
<div class="line"><a name="l00561"></a><span class="lineno"> 561</span>  <span class="comment">/***************************************************************************/</span><span class="comment"></span></div>
<div class="line"><a name="l00562"></a><span class="lineno"> 562</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00563"></a><span class="lineno"> 563</span> <span class="comment"> *\name Record expression methods</span></div>
<div class="line"><a name="l00564"></a><span class="lineno"> 564</span> <span class="comment"> * Methods for manipulating record expressions</span></div>
<div class="line"><a name="l00565"></a><span class="lineno"> 565</span> <span class="comment"> *@{</span></div>
<div class="line"><a name="l00566"></a><span class="lineno"> 566</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00567"></a><span class="lineno"> 567</span>  <span class="comment">/***************************************************************************/</span></div>
<div class="line"><a name="l00568"></a><span class="lineno"> 568</span> <span class="comment"></span></div>
<div class="line"><a name="l00569"></a><span class="lineno"> 569</span> <span class="comment"> //! Create a 1-element record value (# field := expr #)</span></div>
<div class="line"><a name="l00570"></a><span class="lineno"> 570</span> <span class="comment"></span><span class="comment"> /*! Fields will be sorted automatically */</span></div>
<div class="line"><a name="l00571"></a><span class="lineno"> 571</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> recordExpr(<span class="keyword">const</span> std::string& field, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& expr) = 0;</div>
<div class="line"><a name="l00572"></a><span class="lineno"> 572</span> <span class="comment"></span></div>
<div class="line"><a name="l00573"></a><span class="lineno"> 573</span> <span class="comment"> //! Create a 2-element record value (# field0 := expr0, field1 := expr1 #)</span></div>
<div class="line"><a name="l00574"></a><span class="lineno"> 574</span> <span class="comment"></span><span class="comment"> /*! Fields will be sorted automatically */</span></div>
<div class="line"><a name="l00575"></a><span class="lineno"> 575</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> recordExpr(<span class="keyword">const</span> std::string& field0, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& expr0,</div>
<div class="line"><a name="l00576"></a><span class="lineno"> 576</span>  <span class="keyword">const</span> std::string& field1, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& expr1) = 0;</div>
<div class="line"><a name="l00577"></a><span class="lineno"> 577</span> <span class="comment"></span></div>
<div class="line"><a name="l00578"></a><span class="lineno"> 578</span> <span class="comment"> //! Create a 3-element record value (# field_i := expr_i #)</span></div>
<div class="line"><a name="l00579"></a><span class="lineno"> 579</span> <span class="comment"></span><span class="comment"> /*! Fields will be sorted automatically */</span></div>
<div class="line"><a name="l00580"></a><span class="lineno"> 580</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> recordExpr(<span class="keyword">const</span> std::string& field0, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& expr0,</div>
<div class="line"><a name="l00581"></a><span class="lineno"> 581</span>  <span class="keyword">const</span> std::string& field1, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& expr1,</div>
<div class="line"><a name="l00582"></a><span class="lineno"> 582</span>  <span class="keyword">const</span> std::string& field2, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& expr2) = 0;</div>
<div class="line"><a name="l00583"></a><span class="lineno"> 583</span> <span class="comment"></span></div>
<div class="line"><a name="l00584"></a><span class="lineno"> 584</span> <span class="comment"> //! Create an n-element record value (# field_i := expr_i #)</span></div>
<div class="line"><a name="l00585"></a><span class="lineno"> 585</span> <span class="comment"></span><span class="comment"> /*!</span></div>
<div class="line"><a name="l00586"></a><span class="lineno"> 586</span> <span class="comment"> * \param fields</span></div>
<div class="line"><a name="l00587"></a><span class="lineno"> 587</span> <span class="comment"> * \param exprs must be the same length as fields</span></div>
<div class="line"><a name="l00588"></a><span class="lineno"> 588</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00589"></a><span class="lineno"> 589</span> <span class="comment"> * Fields will be sorted automatically</span></div>
<div class="line"><a name="l00590"></a><span class="lineno"> 590</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00591"></a><span class="lineno"> 591</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> recordExpr(<span class="keyword">const</span> std::vector<std::string>& fields,</div>
<div class="line"><a name="l00592"></a><span class="lineno"> 592</span>  <span class="keyword">const</span> std::vector<Expr>& exprs) = 0;</div>
<div class="line"><a name="l00593"></a><span class="lineno"> 593</span> <span class="comment"></span></div>
<div class="line"><a name="l00594"></a><span class="lineno"> 594</span> <span class="comment"> //! Create record.field (field selection)</span></div>
<div class="line"><a name="l00595"></a><span class="lineno"> 595</span> <span class="comment"></span><span class="comment"> /*! Create an expression representing the selection of a field from</span></div>
<div class="line"><a name="l00596"></a><span class="lineno"> 596</span> <span class="comment"> a record. */</span></div>
<div class="line"><a name="l00597"></a><span class="lineno"> 597</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> recSelectExpr(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& record, <span class="keyword">const</span> std::string& field) = 0;</div>
<div class="line"><a name="l00598"></a><span class="lineno"> 598</span> <span class="comment"></span></div>
<div class="line"><a name="l00599"></a><span class="lineno"> 599</span> <span class="comment"> //! Record update; equivalent to "record WITH .field := newValue"</span></div>
<div class="line"><a name="l00600"></a><span class="lineno"> 600</span> <span class="comment"></span><span class="comment"> /*! Notice the `.' before field in the presentation language (and</span></div>
<div class="line"><a name="l00601"></a><span class="lineno"> 601</span> <span class="comment"> the comment above); this is to distinguish it from datatype</span></div>
<div class="line"><a name="l00602"></a><span class="lineno"> 602</span> <span class="comment"> update.</span></div>
<div class="line"><a name="l00603"></a><span class="lineno"> 603</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00604"></a><span class="lineno"> 604</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> recUpdateExpr(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& record, <span class="keyword">const</span> std::string& field,</div>
<div class="line"><a name="l00605"></a><span class="lineno"> 605</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& newValue) = 0;</div>
<div class="line"><a name="l00606"></a><span class="lineno"> 606</span> <span class="comment"></span></div>
<div class="line"><a name="l00607"></a><span class="lineno"> 607</span> <span class="comment"> /*@}*/</span> <span class="comment">// End of Record expression methods</span></div>
<div class="line"><a name="l00608"></a><span class="lineno"> 608</span> </div>
<div class="line"><a name="l00609"></a><span class="lineno"> 609</span>  <span class="comment">/***************************************************************************/</span><span class="comment"></span></div>
<div class="line"><a name="l00610"></a><span class="lineno"> 610</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00611"></a><span class="lineno"> 611</span> <span class="comment"> *\name Array expression methods</span></div>
<div class="line"><a name="l00612"></a><span class="lineno"> 612</span> <span class="comment"> * Methods for manipulating array expressions</span></div>
<div class="line"><a name="l00613"></a><span class="lineno"> 613</span> <span class="comment"> *@{</span></div>
<div class="line"><a name="l00614"></a><span class="lineno"> 614</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00615"></a><span class="lineno"> 615</span>  <span class="comment">/***************************************************************************/</span></div>
<div class="line"><a name="l00616"></a><span class="lineno"> 616</span> <span class="comment"></span></div>
<div class="line"><a name="l00617"></a><span class="lineno"> 617</span> <span class="comment"> //! Create an expression array[index] (array access)</span></div>
<div class="line"><a name="l00618"></a><span class="lineno"> 618</span> <span class="comment"></span><span class="comment"> /*! Create an expression for the value of array at the given index */</span></div>
<div class="line"><a name="l00619"></a><span class="lineno"> 619</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> readExpr(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& array, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& index) = 0;</div>
<div class="line"><a name="l00620"></a><span class="lineno"> 620</span> <span class="comment"></span></div>
<div class="line"><a name="l00621"></a><span class="lineno"> 621</span> <span class="comment"> //! Array update; equivalent to "array WITH index := newValue"</span></div>
<div class="line"><a name="l00622"></a><span class="lineno"> 622</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> writeExpr(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& array, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& index,</div>
<div class="line"><a name="l00623"></a><span class="lineno"> 623</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& newValue) = 0;</div>
<div class="line"><a name="l00624"></a><span class="lineno"> 624</span> <span class="comment"></span></div>
<div class="line"><a name="l00625"></a><span class="lineno"> 625</span> <span class="comment"> /*@}*/</span> <span class="comment">// End of Array expression methods</span></div>
<div class="line"><a name="l00626"></a><span class="lineno"> 626</span> </div>
<div class="line"><a name="l00627"></a><span class="lineno"> 627</span>  <span class="comment">/***************************************************************************/</span><span class="comment"></span></div>
<div class="line"><a name="l00628"></a><span class="lineno"> 628</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00629"></a><span class="lineno"> 629</span> <span class="comment"> *\name Bitvector expression methods</span></div>
<div class="line"><a name="l00630"></a><span class="lineno"> 630</span> <span class="comment"> * Methods for manipulating bitvector expressions</span></div>
<div class="line"><a name="l00631"></a><span class="lineno"> 631</span> <span class="comment"> *@{</span></div>
<div class="line"><a name="l00632"></a><span class="lineno"> 632</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00633"></a><span class="lineno"> 633</span>  <span class="comment">/***************************************************************************/</span></div>
<div class="line"><a name="l00634"></a><span class="lineno"> 634</span> </div>
<div class="line"><a name="l00635"></a><span class="lineno"> 635</span>  <span class="comment">// Bitvector constants</span></div>
<div class="line"><a name="l00636"></a><span class="lineno"> 636</span>  <span class="comment">// From a string of digits in a given base</span></div>
<div class="line"><a name="l00637"></a><span class="lineno"> 637</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> newBVConstExpr(<span class="keyword">const</span> std::string& s, <span class="keywordtype">int</span> base = 2) = 0;</div>
<div class="line"><a name="l00638"></a><span class="lineno"> 638</span>  <span class="comment">// From a vector of bools</span></div>
<div class="line"><a name="l00639"></a><span class="lineno"> 639</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> newBVConstExpr(<span class="keyword">const</span> std::vector<bool>& bits) = 0;</div>
<div class="line"><a name="l00640"></a><span class="lineno"> 640</span>  <span class="comment">// From a rational: bitvector is of length 'len', or the min. needed length when len=0.</span></div>
<div class="line"><a name="l00641"></a><span class="lineno"> 641</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> newBVConstExpr(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Rational.html">Rational</a>& r, <span class="keywordtype">int</span> len = 0) = 0;</div>
<div class="line"><a name="l00642"></a><span class="lineno"> 642</span> </div>
<div class="line"><a name="l00643"></a><span class="lineno"> 643</span>  <span class="comment">// Concat and extract</span></div>
<div class="line"><a name="l00644"></a><span class="lineno"> 644</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> newConcatExpr(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& t1, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& t2) = 0;</div>
<div class="line"><a name="l00645"></a><span class="lineno"> 645</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> newConcatExpr(<span class="keyword">const</span> std::vector<Expr>& kids) = 0;</div>
<div class="line"><a name="l00646"></a><span class="lineno"> 646</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> newBVExtractExpr(<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> hi, <span class="keywordtype">int</span> low) = 0;</div>
<div class="line"><a name="l00647"></a><span class="lineno"> 647</span> </div>
<div class="line"><a name="l00648"></a><span class="lineno"> 648</span>  <span class="comment">// Bitwise Boolean operators: Negation, And, Nand, Or, Nor, Xor, Xnor</span></div>
<div class="line"><a name="l00649"></a><span class="lineno"> 649</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> newBVNegExpr(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& t1) = 0;</div>
<div class="line"><a name="l00650"></a><span class="lineno"> 650</span> </div>
<div class="line"><a name="l00651"></a><span class="lineno"> 651</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> newBVAndExpr(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& t1, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& t2) = 0;</div>
<div class="line"><a name="l00652"></a><span class="lineno"> 652</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> newBVAndExpr(<span class="keyword">const</span> std::vector<Expr>& kids) = 0;</div>
<div class="line"><a name="l00653"></a><span class="lineno"> 653</span> </div>
<div class="line"><a name="l00654"></a><span class="lineno"> 654</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> newBVOrExpr(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& t1, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& t2) = 0;</div>
<div class="line"><a name="l00655"></a><span class="lineno"> 655</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> newBVOrExpr(<span class="keyword">const</span> std::vector<Expr>& kids) = 0;</div>
<div class="line"><a name="l00656"></a><span class="lineno"> 656</span> </div>
<div class="line"><a name="l00657"></a><span class="lineno"> 657</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> newBVXorExpr(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& t1, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& t2) = 0;</div>
<div class="line"><a name="l00658"></a><span class="lineno"> 658</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> newBVXorExpr(<span class="keyword">const</span> std::vector<Expr>& kids) = 0;</div>
<div class="line"><a name="l00659"></a><span class="lineno"> 659</span> </div>
<div class="line"><a name="l00660"></a><span class="lineno"> 660</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> newBVXnorExpr(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& t1, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& t2) = 0;</div>
<div class="line"><a name="l00661"></a><span class="lineno"> 661</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> newBVXnorExpr(<span class="keyword">const</span> std::vector<Expr>& kids) = 0;</div>
<div class="line"><a name="l00662"></a><span class="lineno"> 662</span> </div>
<div class="line"><a name="l00663"></a><span class="lineno"> 663</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> newBVNandExpr(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& t1, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& t2) = 0;</div>
<div class="line"><a name="l00664"></a><span class="lineno"> 664</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> newBVNorExpr(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& t1, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& t2) = 0;</div>
<div class="line"><a name="l00665"></a><span class="lineno"> 665</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> newBVCompExpr(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& t1, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& t2) = 0;</div>
<div class="line"><a name="l00666"></a><span class="lineno"> 666</span> </div>
<div class="line"><a name="l00667"></a><span class="lineno"> 667</span>  <span class="comment">// Unsigned bitvector inequalities</span></div>
<div class="line"><a name="l00668"></a><span class="lineno"> 668</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> newBVLTExpr(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& t1, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& t2) = 0;</div>
<div class="line"><a name="l00669"></a><span class="lineno"> 669</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> newBVLEExpr(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& t1, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& t2) = 0;</div>
<div class="line"><a name="l00670"></a><span class="lineno"> 670</span> </div>
<div class="line"><a name="l00671"></a><span class="lineno"> 671</span>  <span class="comment">// Signed bitvector inequalities</span></div>
<div class="line"><a name="l00672"></a><span class="lineno"> 672</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> newBVSLTExpr(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& t1, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& t2) = 0;</div>
<div class="line"><a name="l00673"></a><span class="lineno"> 673</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> newBVSLEExpr(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& t1, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& t2) = 0;</div>
<div class="line"><a name="l00674"></a><span class="lineno"> 674</span> </div>
<div class="line"><a name="l00675"></a><span class="lineno"> 675</span>  <span class="comment">// Sign-extend t1 to a total of len bits</span></div>
<div class="line"><a name="l00676"></a><span class="lineno"> 676</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> newSXExpr(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& t1, <span class="keywordtype">int</span> len) = 0;</div>
<div class="line"><a name="l00677"></a><span class="lineno"> 677</span> </div>
<div class="line"><a name="l00678"></a><span class="lineno"> 678</span>  <span class="comment">// Bitvector arithmetic: unary minus, plus, subtract, multiply</span></div>
<div class="line"><a name="l00679"></a><span class="lineno"> 679</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> newBVUminusExpr(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& t1) = 0;</div>
<div class="line"><a name="l00680"></a><span class="lineno"> 680</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> newBVSubExpr(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& t1, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& t2) = 0;<span class="comment"></span></div>
<div class="line"><a name="l00681"></a><span class="lineno"> 681</span> <span class="comment"> //! 'numbits' is the number of bits in the result</span></div>
<div class="line"><a name="l00682"></a><span class="lineno"> 682</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> newBVPlusExpr(<span class="keywordtype">int</span> numbits, <span class="keyword">const</span> std::vector<Expr>& k) = 0;</div>
<div class="line"><a name="l00683"></a><span class="lineno"> 683</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> newBVPlusExpr(<span class="keywordtype">int</span> numbits, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& t1, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& t2) = 0;</div>
<div class="line"><a name="l00684"></a><span class="lineno"> 684</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> newBVMultExpr(<span class="keywordtype">int</span> numbits,</div>
<div class="line"><a name="l00685"></a><span class="lineno"> 685</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& t1, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& t2) = 0;</div>
<div class="line"><a name="l00686"></a><span class="lineno"> 686</span> </div>
<div class="line"><a name="l00687"></a><span class="lineno"> 687</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> newBVUDivExpr(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& t1, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& t2) = 0;</div>
<div class="line"><a name="l00688"></a><span class="lineno"> 688</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> newBVURemExpr(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& t1, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& t2) = 0;</div>
<div class="line"><a name="l00689"></a><span class="lineno"> 689</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> newBVSDivExpr(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& t1, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& t2) = 0;</div>
<div class="line"><a name="l00690"></a><span class="lineno"> 690</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> newBVSRemExpr(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& t1, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& t2) = 0;</div>
<div class="line"><a name="l00691"></a><span class="lineno"> 691</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> newBVSModExpr(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& t1, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& t2) = 0;</div>
<div class="line"><a name="l00692"></a><span class="lineno"> 692</span> </div>
<div class="line"><a name="l00693"></a><span class="lineno"> 693</span>  <span class="comment">// Left shift by r bits: result is old size + r bits</span></div>
<div class="line"><a name="l00694"></a><span class="lineno"> 694</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> newFixedLeftShiftExpr(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& t1, <span class="keywordtype">int</span> r) = 0;</div>
<div class="line"><a name="l00695"></a><span class="lineno"> 695</span>  <span class="comment">// Left shift by r bits: result is same size as t1</span></div>
<div class="line"><a name="l00696"></a><span class="lineno"> 696</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> newFixedConstWidthLeftShiftExpr(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& t1, <span class="keywordtype">int</span> r) = 0;</div>
<div class="line"><a name="l00697"></a><span class="lineno"> 697</span>  <span class="comment">// Logical right shift by r bits: result is same size as t1</span></div>
<div class="line"><a name="l00698"></a><span class="lineno"> 698</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> newFixedRightShiftExpr(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& t1, <span class="keywordtype">int</span> r) = 0;</div>
<div class="line"><a name="l00699"></a><span class="lineno"> 699</span>  <span class="comment">// Left shift with shift parameter an arbitrary bit-vector expr</span></div>
<div class="line"><a name="l00700"></a><span class="lineno"> 700</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> newBVSHL(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& t1, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& t2) = 0;</div>
<div class="line"><a name="l00701"></a><span class="lineno"> 701</span>  <span class="comment">// Logical right shift with shift parameter an arbitrary bit-vector expr</span></div>
<div class="line"><a name="l00702"></a><span class="lineno"> 702</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> newBVLSHR(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& t1, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& t2) = 0;</div>
<div class="line"><a name="l00703"></a><span class="lineno"> 703</span>  <span class="comment">// Arithmetic right shift with shift parameter an arbitrary bit-vector expr</span></div>
<div class="line"><a name="l00704"></a><span class="lineno"> 704</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> newBVASHR(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& t1, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& t2) = 0;</div>
<div class="line"><a name="l00705"></a><span class="lineno"> 705</span>  <span class="comment">// Get value of BV Constant</span></div>
<div class="line"><a name="l00706"></a><span class="lineno"> 706</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Rational.html">Rational</a> computeBVConst(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& e) = 0;</div>
<div class="line"><a name="l00707"></a><span class="lineno"> 707</span> <span class="comment"></span></div>
<div class="line"><a name="l00708"></a><span class="lineno"> 708</span> <span class="comment"> /*@}*/</span> <span class="comment">// End of Bitvector expression methods</span></div>
<div class="line"><a name="l00709"></a><span class="lineno"> 709</span> </div>
<div class="line"><a name="l00710"></a><span class="lineno"> 710</span>  <span class="comment">/***************************************************************************/</span><span class="comment"></span></div>
<div class="line"><a name="l00711"></a><span class="lineno"> 711</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00712"></a><span class="lineno"> 712</span> <span class="comment"> *\name Other expression methods</span></div>
<div class="line"><a name="l00713"></a><span class="lineno"> 713</span> <span class="comment"> * Methods for manipulating other kinds of expressions</span></div>
<div class="line"><a name="l00714"></a><span class="lineno"> 714</span> <span class="comment"> *@{</span></div>
<div class="line"><a name="l00715"></a><span class="lineno"> 715</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00716"></a><span class="lineno"> 716</span>  <span class="comment">/***************************************************************************/</span></div>
<div class="line"><a name="l00717"></a><span class="lineno"> 717</span> <span class="comment"></span></div>
<div class="line"><a name="l00718"></a><span class="lineno"> 718</span> <span class="comment"> //! Tuple expression</span></div>
<div class="line"><a name="l00719"></a><span class="lineno"> 719</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> tupleExpr(<span class="keyword">const</span> std::vector<Expr>& exprs) = 0;</div>
<div class="line"><a name="l00720"></a><span class="lineno"> 720</span> <span class="comment"></span></div>
<div class="line"><a name="l00721"></a><span class="lineno"> 721</span> <span class="comment"> //! Tuple select; equivalent to "tuple.n", where n is an numeral (e.g. tup.5)</span></div>
<div class="line"><a name="l00722"></a><span class="lineno"> 722</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> tupleSelectExpr(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& tuple, <span class="keywordtype">int</span> index) = 0;</div>
<div class="line"><a name="l00723"></a><span class="lineno"> 723</span> <span class="comment"></span></div>
<div class="line"><a name="l00724"></a><span class="lineno"> 724</span> <span class="comment"> //! Tuple update; equivalent to "tuple WITH index := newValue"</span></div>
<div class="line"><a name="l00725"></a><span class="lineno"> 725</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> tupleUpdateExpr(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& tuple, <span class="keywordtype">int</span> index,</div>
<div class="line"><a name="l00726"></a><span class="lineno"> 726</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& newValue) = 0;</div>
<div class="line"><a name="l00727"></a><span class="lineno"> 727</span> <span class="comment"></span></div>
<div class="line"><a name="l00728"></a><span class="lineno"> 728</span> <span class="comment"> //! Datatype constructor expression</span></div>
<div class="line"><a name="l00729"></a><span class="lineno"> 729</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> datatypeConsExpr(<span class="keyword">const</span> std::string& constructor, <span class="keyword">const</span> std::vector<Expr>& args) = 0;</div>
<div class="line"><a name="l00730"></a><span class="lineno"> 730</span> <span class="comment"></span></div>
<div class="line"><a name="l00731"></a><span class="lineno"> 731</span> <span class="comment"> //! Datatype selector expression</span></div>
<div class="line"><a name="l00732"></a><span class="lineno"> 732</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> datatypeSelExpr(<span class="keyword">const</span> std::string& selector, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& arg) = 0;</div>
<div class="line"><a name="l00733"></a><span class="lineno"> 733</span> <span class="comment"></span></div>
<div class="line"><a name="l00734"></a><span class="lineno"> 734</span> <span class="comment"> //! Datatype tester expression</span></div>
<div class="line"><a name="l00735"></a><span class="lineno"> 735</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> datatypeTestExpr(<span class="keyword">const</span> std::string& constructor, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& arg) = 0;</div>
<div class="line"><a name="l00736"></a><span class="lineno"> 736</span> <span class="comment"></span></div>
<div class="line"><a name="l00737"></a><span class="lineno"> 737</span> <span class="comment"> //! Create a bound variable with a given name, unique ID (uid) and type</span></div>
<div class="line"><a name="l00738"></a><span class="lineno"> 738</span> <span class="comment"></span><span class="comment"> /*!</span></div>
<div class="line"><a name="l00739"></a><span class="lineno"> 739</span> <span class="comment"> \param name is the name of the variable</span></div>
<div class="line"><a name="l00740"></a><span class="lineno"> 740</span> <span class="comment"> \param uid is the unique ID (a string), which must be unique for</span></div>
<div class="line"><a name="l00741"></a><span class="lineno"> 741</span> <span class="comment"> each variable</span></div>
<div class="line"><a name="l00742"></a><span class="lineno"> 742</span> <span class="comment"> \param type is its type. The type cannot be a function type.</span></div>
<div class="line"><a name="l00743"></a><span class="lineno"> 743</span> <span class="comment"> \return an Expr representation of a new variable</span></div>
<div class="line"><a name="l00744"></a><span class="lineno"> 744</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00745"></a><span class="lineno"> 745</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> boundVarExpr(<span class="keyword">const</span> std::string& name,</div>
<div class="line"><a name="l00746"></a><span class="lineno"> 746</span>  <span class="keyword">const</span> std::string& uid,</div>
<div class="line"><a name="l00747"></a><span class="lineno"> 747</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a>& type) = 0;</div>
<div class="line"><a name="l00748"></a><span class="lineno"> 748</span> <span class="comment"></span></div>
<div class="line"><a name="l00749"></a><span class="lineno"> 749</span> <span class="comment"> //! Universal quantifier</span></div>
<div class="line"><a name="l00750"></a><span class="lineno"> 750</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> forallExpr(<span class="keyword">const</span> std::vector<Expr>& vars, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& body) = 0;<span class="comment"></span></div>
<div class="line"><a name="l00751"></a><span class="lineno"> 751</span> <span class="comment"> //! Universal quantifier with a trigger</span></div>
<div class="line"><a name="l00752"></a><span class="lineno"> 752</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> forallExpr(<span class="keyword">const</span> std::vector<Expr>& vars, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& body, </div>
<div class="line"><a name="l00753"></a><span class="lineno"> 753</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& trigger) = 0;<span class="comment"></span></div>
<div class="line"><a name="l00754"></a><span class="lineno"> 754</span> <span class="comment"> //! Universal quantifier with a set of triggers.</span></div>
<div class="line"><a name="l00755"></a><span class="lineno"> 755</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> forallExpr(<span class="keyword">const</span> std::vector<Expr>& vars, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& body,</div>
<div class="line"><a name="l00756"></a><span class="lineno"> 756</span>  <span class="keyword">const</span> std::vector<Expr>& triggers) = 0;<span class="comment"></span></div>
<div class="line"><a name="l00757"></a><span class="lineno"> 757</span> <span class="comment"> //! Universal quantifier with a set of multi-triggers.</span></div>
<div class="line"><a name="l00758"></a><span class="lineno"> 758</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> forallExpr(<span class="keyword">const</span> std::vector<Expr>& vars, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& body,</div>
<div class="line"><a name="l00759"></a><span class="lineno"> 759</span>  <span class="keyword">const</span> std::vector<std::vector<Expr> >& triggers) = 0;</div>
<div class="line"><a name="l00760"></a><span class="lineno"> 760</span> <span class="comment"></span></div>
<div class="line"><a name="l00761"></a><span class="lineno"> 761</span> <span class="comment"> //! Set triggers for quantifier instantiation</span></div>
<div class="line"><a name="l00762"></a><span class="lineno"> 762</span> <span class="comment"></span><span class="comment"> /*!</span></div>
<div class="line"><a name="l00763"></a><span class="lineno"> 763</span> <span class="comment"> * \param e the expression for which triggers are being set.</span></div>
<div class="line"><a name="l00764"></a><span class="lineno"> 764</span> <span class="comment"> * \param triggers Each item in triggers is a vector of Expr containing one</span></div>
<div class="line"><a name="l00765"></a><span class="lineno"> 765</span> <span class="comment"> * or more patterns. A pattern is a term or Atomic predicate sub-expression</span></div>
<div class="line"><a name="l00766"></a><span class="lineno"> 766</span> <span class="comment"> * of e. A vector containing more than one pattern is treated as a</span></div>
<div class="line"><a name="l00767"></a><span class="lineno"> 767</span> <span class="comment"> * multi-trigger. Patterns will be matched in the order they occur in</span></div>
<div class="line"><a name="l00768"></a><span class="lineno"> 768</span> <span class="comment"> * the vector.</span></div>
<div class="line"><a name="l00769"></a><span class="lineno"> 769</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00770"></a><span class="lineno"> 770</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> setTriggers(<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> std::vector<std::vector<Expr> > & triggers) = 0;<span class="comment"></span></div>
<div class="line"><a name="l00771"></a><span class="lineno"> 771</span> <span class="comment"> //! Set triggers for quantifier instantiation (no multi-triggers)</span></div>
<div class="line"><a name="l00772"></a><span class="lineno"> 772</span> <span class="comment"></span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> setTriggers(<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> std::vector<Expr>& triggers) = 0;<span class="comment"></span></div>
<div class="line"><a name="l00773"></a><span class="lineno"> 773</span> <span class="comment"> //! Set a single trigger for quantifier instantiation</span></div>
<div class="line"><a name="l00774"></a><span class="lineno"> 774</span> <span class="comment"></span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> setTrigger(<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_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& trigger) = 0;<span class="comment"></span></div>
<div class="line"><a name="l00775"></a><span class="lineno"> 775</span> <span class="comment"> //! Set a single multi-trigger for quantifier instantiation</span></div>
<div class="line"><a name="l00776"></a><span class="lineno"> 776</span> <span class="comment"></span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> setMultiTrigger(<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> std::vector<Expr>& multiTrigger) = 0;</div>
<div class="line"><a name="l00777"></a><span class="lineno"> 777</span> <span class="comment"></span></div>
<div class="line"><a name="l00778"></a><span class="lineno"> 778</span> <span class="comment"> //! Existential quantifier</span></div>
<div class="line"><a name="l00779"></a><span class="lineno"> 779</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> existsExpr(<span class="keyword">const</span> std::vector<Expr>& vars, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& body) = 0;</div>
<div class="line"><a name="l00780"></a><span class="lineno"> 780</span> <span class="comment"></span></div>
<div class="line"><a name="l00781"></a><span class="lineno"> 781</span> <span class="comment"> //! Lambda-expression</span></div>
<div class="line"><a name="l00782"></a><span class="lineno"> 782</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Op.html">Op</a> lambdaExpr(<span class="keyword">const</span> std::vector<Expr>& vars, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& body) = 0;</div>
<div class="line"><a name="l00783"></a><span class="lineno"> 783</span> <span class="comment"></span></div>
<div class="line"><a name="l00784"></a><span class="lineno"> 784</span> <span class="comment"> //! Transitive closure of a binary predicate</span></div>
<div class="line"><a name="l00785"></a><span class="lineno"> 785</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Op.html">Op</a> transClosure(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Op.html">Op</a>& op) = 0;</div>
<div class="line"><a name="l00786"></a><span class="lineno"> 786</span> <span class="comment"></span></div>
<div class="line"><a name="l00787"></a><span class="lineno"> 787</span> <span class="comment"> //! Symbolic simulation expression</span></div>
<div class="line"><a name="l00788"></a><span class="lineno"> 788</span> <span class="comment"></span><span class="comment"> /*!</span></div>
<div class="line"><a name="l00789"></a><span class="lineno"> 789</span> <span class="comment"> * \param f is the next state function (LAMBDA-expression)</span></div>
<div class="line"><a name="l00790"></a><span class="lineno"> 790</span> <span class="comment"> * \param s0 is the initial state</span></div>
<div class="line"><a name="l00791"></a><span class="lineno"> 791</span> <span class="comment"> * \param inputs is the vector of LAMBDA-expressions representing</span></div>
<div class="line"><a name="l00792"></a><span class="lineno"> 792</span> <span class="comment"> * the sequences of inputs to f</span></div>
<div class="line"><a name="l00793"></a><span class="lineno"> 793</span> <span class="comment"> * \param n is a constant, the number of cycles to run the simulation.</span></div>
<div class="line"><a name="l00794"></a><span class="lineno"> 794</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00795"></a><span class="lineno"> 795</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> simulateExpr(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& f, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& s0,</div>
<div class="line"><a name="l00796"></a><span class="lineno"> 796</span>  <span class="keyword">const</span> std::vector<Expr>& inputs,</div>
<div class="line"><a name="l00797"></a><span class="lineno"> 797</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& n) = 0;</div>
<div class="line"><a name="l00798"></a><span class="lineno"> 798</span> <span class="comment"></span></div>
<div class="line"><a name="l00799"></a><span class="lineno"> 799</span> <span class="comment"> /*@}*/</span> <span class="comment">// End of Other expression methods</span></div>
<div class="line"><a name="l00800"></a><span class="lineno"> 800</span> </div>
<div class="line"><a name="l00801"></a><span class="lineno"> 801</span>  <span class="comment">/***************************************************************************/</span><span class="comment"></span></div>
<div class="line"><a name="l00802"></a><span class="lineno"> 802</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00803"></a><span class="lineno"> 803</span> <span class="comment"> *\name Validity checking methods</span></div>
<div class="line"><a name="l00804"></a><span class="lineno"> 804</span> <span class="comment"> * Methods related to validity checking</span></div>
<div class="line"><a name="l00805"></a><span class="lineno"> 805</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00806"></a><span class="lineno"> 806</span> <span class="comment"> * This group includes methods for asserting formulas, checking</span></div>
<div class="line"><a name="l00807"></a><span class="lineno"> 807</span> <span class="comment"> * validity in the given logical context, manipulating the scope</span></div>
<div class="line"><a name="l00808"></a><span class="lineno"> 808</span> <span class="comment"> * level of the context, etc.</span></div>
<div class="line"><a name="l00809"></a><span class="lineno"> 809</span> <span class="comment"> *@{</span></div>
<div class="line"><a name="l00810"></a><span class="lineno"> 810</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00811"></a><span class="lineno"> 811</span>  <span class="comment">/***************************************************************************/</span></div>
<div class="line"><a name="l00812"></a><span class="lineno"> 812</span> <span class="comment"></span></div>
<div class="line"><a name="l00813"></a><span class="lineno"> 813</span> <span class="comment"> //! Set the resource limit (0==unlimited, 1==exhausted).</span></div>
<div class="line"><a name="l00814"></a><span class="lineno"> 814</span> <span class="comment"></span><span class="comment"> /*! Currently, the limit is the total number of processed facts. */</span></div>
<div class="line"><a name="l00815"></a><span class="lineno"> 815</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> setResourceLimit(<span class="keywordtype">unsigned</span> limit) = 0;</div>
<div class="line"><a name="l00816"></a><span class="lineno"> 816</span> <span class="comment"></span></div>
<div class="line"><a name="l00817"></a><span class="lineno"> 817</span> <span class="comment"> //! Set a time limit in tenth of a second,</span></div>
<div class="line"><a name="l00818"></a><span class="lineno"> 818</span> <span class="comment"></span><span class="comment"> /*! counting the cpu time used by the current process from now on.</span></div>
<div class="line"><a name="l00819"></a><span class="lineno"> 819</span> <span class="comment"> * Currently, when the limit is reached, cvc3 tries to quickly</span></div>
<div class="line"><a name="l00820"></a><span class="lineno"> 820</span> <span class="comment"> * terminate, probably with the status unknown.</span></div>
<div class="line"><a name="l00821"></a><span class="lineno"> 821</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00822"></a><span class="lineno"> 822</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> setTimeLimit(<span class="keywordtype">unsigned</span> limit) = 0;</div>
<div class="line"><a name="l00823"></a><span class="lineno"> 823</span> <span class="comment"></span></div>
<div class="line"><a name="l00824"></a><span class="lineno"> 824</span> <span class="comment"> //! Assert a new formula in the current context.</span></div>
<div class="line"><a name="l00825"></a><span class="lineno"> 825</span> <span class="comment"></span><span class="comment"> /*! This creates the assumption e |- e. The formula must have Boolean type.</span></div>
<div class="line"><a name="l00826"></a><span class="lineno"> 826</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00827"></a><span class="lineno"> 827</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> assertFormula(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& e) = 0;</div>
<div class="line"><a name="l00828"></a><span class="lineno"> 828</span> <span class="comment"></span></div>
<div class="line"><a name="l00829"></a><span class="lineno"> 829</span> <span class="comment"> //! Register an atomic formula of interest.</span></div>
<div class="line"><a name="l00830"></a><span class="lineno"> 830</span> <span class="comment"></span><span class="comment"> /*! Registered atoms are tracked by the decision procedures. If one of them</span></div>
<div class="line"><a name="l00831"></a><span class="lineno"> 831</span> <span class="comment"> is deduced to be true or false, it is added to a list of implied literals.</span></div>
<div class="line"><a name="l00832"></a><span class="lineno"> 832</span> <span class="comment"> Implied literals can be retrieved with the getImpliedLiteral function */</span></div>
<div class="line"><a name="l00833"></a><span class="lineno"> 833</span>  <span class="keyword">virtual</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) = 0;</div>
<div class="line"><a name="l00834"></a><span class="lineno"> 834</span> <span class="comment"></span></div>
<div class="line"><a name="l00835"></a><span class="lineno"> 835</span> <span class="comment"> //! Return next literal implied by last assertion. Null Expr if none.</span></div>
<div class="line"><a name="l00836"></a><span class="lineno"> 836</span> <span class="comment"></span><span class="comment"> /*! Returned literals are either registered atomic formulas or their negation</span></div>
<div class="line"><a name="l00837"></a><span class="lineno"> 837</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00838"></a><span class="lineno"> 838</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> getImpliedLiteral() = 0;</div>
<div class="line"><a name="l00839"></a><span class="lineno"> 839</span> <span class="comment"></span></div>
<div class="line"><a name="l00840"></a><span class="lineno"> 840</span> <span class="comment"> //! Simplify e with respect to the current context</span></div>
<div class="line"><a name="l00841"></a><span class="lineno"> 841</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> simplify(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& e) = 0;</div>
<div class="line"><a name="l00842"></a><span class="lineno"> 842</span> <span class="comment"></span></div>
<div class="line"><a name="l00843"></a><span class="lineno"> 843</span> <span class="comment"> //! Check validity of e in the current context.</span></div>
<div class="line"><a name="l00844"></a><span class="lineno"> 844</span> <span class="comment"></span><span class="comment"> /*! If it returns VALID, the scope and context are the same</span></div>
<div class="line"><a name="l00845"></a><span class="lineno"> 845</span> <span class="comment"> * as when called. If it returns INVALID, the context will be one which</span></div>
<div class="line"><a name="l00846"></a><span class="lineno"> 846</span> <span class="comment"> * falsifies the query. If it returns UNKNOWN, the context will falsify the</span></div>
<div class="line"><a name="l00847"></a><span class="lineno"> 847</span> <span class="comment"> * query, but the context may be inconsistent. Finally, if it returns</span></div>
<div class="line"><a name="l00848"></a><span class="lineno"> 848</span> <span class="comment"> * ABORT, the context will be one which satisfies as much as possible.</span></div>
<div class="line"><a name="l00849"></a><span class="lineno"> 849</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00850"></a><span class="lineno"> 850</span> <span class="comment"> * \param e is the queried formula</span></div>
<div class="line"><a name="l00851"></a><span class="lineno"> 851</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00852"></a><span class="lineno"> 852</span>  <span class="keyword">virtual</span> <a class="code" href="namespaceCVC3.html#a060d21b3207cc3471e24f8dbcff3498b">QueryResult</a> query(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& e) = 0;</div>
<div class="line"><a name="l00853"></a><span class="lineno"> 853</span> <span class="comment"></span></div>
<div class="line"><a name="l00854"></a><span class="lineno"> 854</span> <span class="comment"> //! Check satisfiability of the expr in the current context.</span></div>
<div class="line"><a name="l00855"></a><span class="lineno"> 855</span> <span class="comment"></span><span class="comment"> /*! Equivalent to query(!e) */</span></div>
<div class="line"><a name="l00856"></a><span class="lineno"> 856</span>  <span class="keyword">virtual</span> <a class="code" href="namespaceCVC3.html#a060d21b3207cc3471e24f8dbcff3498b">QueryResult</a> checkUnsat(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& e) = 0;</div>
<div class="line"><a name="l00857"></a><span class="lineno"> 857</span> <span class="comment"></span></div>
<div class="line"><a name="l00858"></a><span class="lineno"> 858</span> <span class="comment"> //! Get the next model</span></div>
<div class="line"><a name="l00859"></a><span class="lineno"> 859</span> <span class="comment"></span><span class="comment"> /*! This method should only be called after a query which returns</span></div>
<div class="line"><a name="l00860"></a><span class="lineno"> 860</span> <span class="comment"> INVALID. Its return values are as for query(). */</span></div>
<div class="line"><a name="l00861"></a><span class="lineno"> 861</span>  <span class="keyword">virtual</span> <a class="code" href="namespaceCVC3.html#a060d21b3207cc3471e24f8dbcff3498b">QueryResult</a> checkContinue() = 0;</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> <span class="comment"> //! Restart the most recent query with e as an additional assertion.</span></div>
<div class="line"><a name="l00864"></a><span class="lineno"> 864</span> <span class="comment"></span><span class="comment"> /*! This method should only be called after a query which returns</span></div>
<div class="line"><a name="l00865"></a><span class="lineno"> 865</span> <span class="comment"> INVALID. Its return values are as for query(). */</span></div>
<div class="line"><a name="l00866"></a><span class="lineno"> 866</span>  <span class="keyword">virtual</span> <a class="code" href="namespaceCVC3.html#a060d21b3207cc3471e24f8dbcff3498b">QueryResult</a> restart(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& e) = 0;</div>
<div class="line"><a name="l00867"></a><span class="lineno"> 867</span> <span class="comment"></span></div>
<div class="line"><a name="l00868"></a><span class="lineno"> 868</span> <span class="comment"> //! Returns to context immediately before last invalid query.</span></div>
<div class="line"><a name="l00869"></a><span class="lineno"> 869</span> <span class="comment"></span><span class="comment"> /*! This method should only be called after a query which returns false.</span></div>
<div class="line"><a name="l00870"></a><span class="lineno"> 870</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00871"></a><span class="lineno"> 871</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> returnFromCheck() = 0;</div>
<div class="line"><a name="l00872"></a><span class="lineno"> 872</span> <span class="comment"></span></div>
<div class="line"><a name="l00873"></a><span class="lineno"> 873</span> <span class="comment"> //! Get assumptions made by the user in this and all previous contexts.</span></div>
<div class="line"><a name="l00874"></a><span class="lineno"> 874</span> <span class="comment"></span><span class="comment"> /*! User assumptions are created either by calls to assertFormula or by a</span></div>
<div class="line"><a name="l00875"></a><span class="lineno"> 875</span> <span class="comment"> * call to query. In the latter case, the negated query is added as an</span></div>
<div class="line"><a name="l00876"></a><span class="lineno"> 876</span> <span class="comment"> * assumption.</span></div>
<div class="line"><a name="l00877"></a><span class="lineno"> 877</span> <span class="comment"> * \param assumptions should be empty on entry.</span></div>
<div class="line"><a name="l00878"></a><span class="lineno"> 878</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00879"></a><span class="lineno"> 879</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> getUserAssumptions(std::vector<Expr>& assumptions) = 0;</div>
<div class="line"><a name="l00880"></a><span class="lineno"> 880</span> <span class="comment"></span></div>
<div class="line"><a name="l00881"></a><span class="lineno"> 881</span> <span class="comment"> //! Get assumptions made internally in this and all previous contexts.</span></div>
<div class="line"><a name="l00882"></a><span class="lineno"> 882</span> <span class="comment"></span><span class="comment"> /*! Internal assumptions are literals assumed by the sat solver.</span></div>
<div class="line"><a name="l00883"></a><span class="lineno"> 883</span> <span class="comment"> * \param assumptions should be empty on entry.</span></div>
<div class="line"><a name="l00884"></a><span class="lineno"> 884</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00885"></a><span class="lineno"> 885</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> getInternalAssumptions(std::vector<Expr>& assumptions) = 0;</div>
<div class="line"><a name="l00886"></a><span class="lineno"> 886</span> <span class="comment"></span></div>
<div class="line"><a name="l00887"></a><span class="lineno"> 887</span> <span class="comment"> //! Get all assumptions made in this and all previous contexts.</span></div>
<div class="line"><a name="l00888"></a><span class="lineno"> 888</span> <span class="comment"></span><span class="comment"> /*! \param assumptions should be empty on entry.</span></div>
<div class="line"><a name="l00889"></a><span class="lineno"> 889</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00890"></a><span class="lineno"> 890</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> getAssumptions(std::vector<Expr>& assumptions) = 0;</div>
<div class="line"><a name="l00891"></a><span class="lineno"> 891</span> <span class="comment"></span></div>
<div class="line"><a name="l00892"></a><span class="lineno"> 892</span> <span class="comment"> //! Returns the set of assumptions used in the proof of queried formula.</span></div>
<div class="line"><a name="l00893"></a><span class="lineno"> 893</span> <span class="comment"></span><span class="comment"> /*! It returns a subset of getAssumptions(). If the last query was false</span></div>
<div class="line"><a name="l00894"></a><span class="lineno"> 894</span> <span class="comment"> * or there has not yet been a query, it does nothing.</span></div>
<div class="line"><a name="l00895"></a><span class="lineno"> 895</span> <span class="comment"> * NOTE: this functionality is not supported yet</span></div>
<div class="line"><a name="l00896"></a><span class="lineno"> 896</span> <span class="comment"> * \param assumptions should be empty on entry.</span></div>
<div class="line"><a name="l00897"></a><span class="lineno"> 897</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00898"></a><span class="lineno"> 898</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> getAssumptionsUsed(std::vector<Expr>& assumptions) = 0;</div>
<div class="line"><a name="l00899"></a><span class="lineno"> 899</span> </div>
<div class="line"><a name="l00900"></a><span class="lineno"> 900</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> getProofQuery() = 0;</div>
<div class="line"><a name="l00901"></a><span class="lineno"> 901</span> </div>
<div class="line"><a name="l00902"></a><span class="lineno"> 902</span> <span class="comment"></span></div>
<div class="line"><a name="l00903"></a><span class="lineno"> 903</span> <span class="comment"> //! Return the internal assumptions that make the queried formula false.</span></div>
<div class="line"><a name="l00904"></a><span class="lineno"> 904</span> <span class="comment"></span><span class="comment"> /*! This method should only be called after a query which returns</span></div>
<div class="line"><a name="l00905"></a><span class="lineno"> 905</span> <span class="comment"> false. It will try to return the simplest possible subset of</span></div>
<div class="line"><a name="l00906"></a><span class="lineno"> 906</span> <span class="comment"> the internal assumptions sufficient to make the queried expression</span></div>
<div class="line"><a name="l00907"></a><span class="lineno"> 907</span> <span class="comment"> false.</span></div>
<div class="line"><a name="l00908"></a><span class="lineno"> 908</span> <span class="comment"> \param assumptions should be empty on entry.</span></div>
<div class="line"><a name="l00909"></a><span class="lineno"> 909</span> <span class="comment"> \param inOrder if true, returns the assumptions in the order they</span></div>
<div class="line"><a name="l00910"></a><span class="lineno"> 910</span> <span class="comment"> were made. This is slightly more expensive than inOrder = false.</span></div>
<div class="line"><a name="l00911"></a><span class="lineno"> 911</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00912"></a><span class="lineno"> 912</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> getCounterExample(std::vector<Expr>& assumptions,</div>
<div class="line"><a name="l00913"></a><span class="lineno"> 913</span>  <span class="keywordtype">bool</span> inOrder=<span class="keyword">true</span>) = 0;</div>
<div class="line"><a name="l00914"></a><span class="lineno"> 914</span> <span class="comment"></span></div>
<div class="line"><a name="l00915"></a><span class="lineno"> 915</span> <span class="comment"> //! Will assign concrete values to all user created variables</span></div>
<div class="line"><a name="l00916"></a><span class="lineno"> 916</span> <span class="comment"></span><span class="comment"> /*! This function should only be called after a query which return false.</span></div>
<div class="line"><a name="l00917"></a><span class="lineno"> 917</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00918"></a><span class="lineno"> 918</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> getConcreteModel(<a class="code" href="classCVC3_1_1ExprMap.html">ExprMap<Expr></a> & m) = 0;</div>
<div class="line"><a name="l00919"></a><span class="lineno"> 919</span> <span class="comment"></span></div>
<div class="line"><a name="l00920"></a><span class="lineno"> 920</span> <span class="comment"> //! If the result of the last query was UNKNOWN try to actually build the model</span></div>
<div class="line"><a name="l00921"></a><span class="lineno"> 921</span> <span class="comment"> //! to verify the result.</span></div>
<div class="line"><a name="l00922"></a><span class="lineno"> 922</span> <span class="comment"></span><span class="comment"> /*! This function should only be called after a query which return unknown.</span></div>
<div class="line"><a name="l00923"></a><span class="lineno"> 923</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00924"></a><span class="lineno"> 924</span>  <span class="keyword">virtual</span> <a class="code" href="namespaceCVC3.html#a060d21b3207cc3471e24f8dbcff3498b">QueryResult</a> tryModelGeneration() = 0;</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>  <span class="comment">//:ALEX: returns the current truth value of a formula</span></div>
<div class="line"><a name="l00927"></a><span class="lineno"> 927</span>  <span class="comment">// returns UNKNOWN_VAL if e is not associated</span></div>
<div class="line"><a name="l00928"></a><span class="lineno"> 928</span>  <span class="comment">// with a boolean variable in the SAT module,</span></div>
<div class="line"><a name="l00929"></a><span class="lineno"> 929</span>  <span class="comment">// i.e. if its value can not determined without search.</span></div>
<div class="line"><a name="l00930"></a><span class="lineno"> 930</span>  <span class="keyword">virtual</span> <a class="code" href="namespaceCVC3.html#a9d68f126b86e6fd08b3bc13a511df9bf">FormulaValue</a> value(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& e) = 0;</div>
<div class="line"><a name="l00931"></a><span class="lineno"> 931</span> <span class="comment"></span></div>
<div class="line"><a name="l00932"></a><span class="lineno"> 932</span> <span class="comment"> //! Returns true if the current context is inconsistent.</span></div>
<div class="line"><a name="l00933"></a><span class="lineno"> 933</span> <span class="comment"></span><span class="comment"> /*! Also returns a minimal set of assertions used to determine the</span></div>
<div class="line"><a name="l00934"></a><span class="lineno"> 934</span> <span class="comment"> inconsistency.</span></div>
<div class="line"><a name="l00935"></a><span class="lineno"> 935</span> <span class="comment"> \param assumptions should be empty on entry.</span></div>
<div class="line"><a name="l00936"></a><span class="lineno"> 936</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00937"></a><span class="lineno"> 937</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span> inconsistent(std::vector<Expr>& assumptions) = 0;</div>
<div class="line"><a name="l00938"></a><span class="lineno"> 938</span> <span class="comment"></span></div>
<div class="line"><a name="l00939"></a><span class="lineno"> 939</span> <span class="comment"> //! Returns true if the current context is inconsistent.</span></div>
<div class="line"><a name="l00940"></a><span class="lineno"> 940</span> <span class="comment"></span> <span class="keyword">virtual</span> <span class="keywordtype">bool</span> inconsistent() = 0;</div>
<div class="line"><a name="l00941"></a><span class="lineno"> 941</span> <span class="comment"></span></div>
<div class="line"><a name="l00942"></a><span class="lineno"> 942</span> <span class="comment"> //! Returns true if the invalid result from last query() is imprecise</span></div>
<div class="line"><a name="l00943"></a><span class="lineno"> 943</span> <span class="comment"></span><span class="comment"> /*!</span></div>
<div class="line"><a name="l00944"></a><span class="lineno"> 944</span> <span class="comment"> * Some decision procedures in CVC are incomplete (quantifier</span></div>
<div class="line"><a name="l00945"></a><span class="lineno"> 945</span> <span class="comment"> * elimination, non-linear arithmetic, etc.). If any incomplete</span></div>
<div class="line"><a name="l00946"></a><span class="lineno"> 946</span> <span class="comment"> * features were used during the last query(), and the result is</span></div>
<div class="line"><a name="l00947"></a><span class="lineno"> 947</span> <span class="comment"> * "invalid" (query() returns false), then this result is</span></div>
<div class="line"><a name="l00948"></a><span class="lineno"> 948</span> <span class="comment"> * inconclusive. It means that the system gave up the search for</span></div>
<div class="line"><a name="l00949"></a><span class="lineno"> 949</span> <span class="comment"> * contradiction at some point.</span></div>
<div class="line"><a name="l00950"></a><span class="lineno"> 950</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00951"></a><span class="lineno"> 951</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span> incomplete() = 0;</div>
<div class="line"><a name="l00952"></a><span class="lineno"> 952</span> <span class="comment"></span></div>
<div class="line"><a name="l00953"></a><span class="lineno"> 953</span> <span class="comment"> //! Returns true if the invalid result from last query() is imprecise</span></div>
<div class="line"><a name="l00954"></a><span class="lineno"> 954</span> <span class="comment"></span><span class="comment"> /*!</span></div>
<div class="line"><a name="l00955"></a><span class="lineno"> 955</span> <span class="comment"> * \sa incomplete()</span></div>
<div class="line"><a name="l00956"></a><span class="lineno"> 956</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00957"></a><span class="lineno"> 957</span> <span class="comment"> * The argument is filled with the reasons for incompleteness (they</span></div>
<div class="line"><a name="l00958"></a><span class="lineno"> 958</span> <span class="comment"> * are intended to be shown to the end user).</span></div>
<div class="line"><a name="l00959"></a><span class="lineno"> 959</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00960"></a><span class="lineno"> 960</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span> incomplete(std::vector<std::string>& reasons) = 0;</div>
<div class="line"><a name="l00961"></a><span class="lineno"> 961</span> <span class="comment"></span></div>
<div class="line"><a name="l00962"></a><span class="lineno"> 962</span> <span class="comment"> //! Returns the proof term for the last proven query</span></div>
<div class="line"><a name="l00963"></a><span class="lineno"> 963</span> <span class="comment"></span><span class="comment"> /*! If there has not been a successful query, it should return a NULL proof</span></div>
<div class="line"><a name="l00964"></a><span class="lineno"> 964</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00965"></a><span class="lineno"> 965</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Proof.html">Proof</a> getProof() = 0;</div>
<div class="line"><a name="l00966"></a><span class="lineno"> 966</span> <span class="comment"></span></div>
<div class="line"><a name="l00967"></a><span class="lineno"> 967</span> <span class="comment"> //! Evaluate an expression and return a concrete value in the model</span></div>
<div class="line"><a name="l00968"></a><span class="lineno"> 968</span> <span class="comment"></span><span class="comment"> /*! If the last query was not invalid, should return NULL expr */</span></div>
<div class="line"><a name="l00969"></a><span class="lineno"> 969</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> getValue(<a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> e) = 0;</div>
<div class="line"><a name="l00970"></a><span class="lineno"> 970</span> <span class="comment"></span></div>
<div class="line"><a name="l00971"></a><span class="lineno"> 971</span> <span class="comment"> //! Returns the list of pairs (name value) for each :named attribute.</span></div>
<div class="line"><a name="l00972"></a><span class="lineno"> 972</span> <span class="comment"></span><span class="comment"> /*! If the last query was not invalid, should return NULL expr */</span></div>
<div class="line"><a name="l00973"></a><span class="lineno"> 973</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> getAssignment() = 0;</div>
<div class="line"><a name="l00974"></a><span class="lineno"> 974</span> <span class="comment"></span></div>
<div class="line"><a name="l00975"></a><span class="lineno"> 975</span> <span class="comment"> //! Returns the TCC of the last assumption or query</span></div>
<div class="line"><a name="l00976"></a><span class="lineno"> 976</span> <span class="comment"></span><span class="comment"> /*! Returns Null if no assumptions or queries were performed. */</span></div>
<div class="line"><a name="l00977"></a><span class="lineno"> 977</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> getTCC() = 0;</div>
<div class="line"><a name="l00978"></a><span class="lineno"> 978</span> <span class="comment"></span></div>
<div class="line"><a name="l00979"></a><span class="lineno"> 979</span> <span class="comment"> //! Return the set of assumptions used in the proof of the last TCC</span></div>
<div class="line"><a name="l00980"></a><span class="lineno"> 980</span> <span class="comment"></span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> getAssumptionsTCC(std::vector<Expr>& assumptions) = 0;</div>
<div class="line"><a name="l00981"></a><span class="lineno"> 981</span> <span class="comment"></span></div>
<div class="line"><a name="l00982"></a><span class="lineno"> 982</span> <span class="comment"> //! Returns the proof of TCC of the last assumption or query</span></div>
<div class="line"><a name="l00983"></a><span class="lineno"> 983</span> <span class="comment"></span><span class="comment"> /*! Returns Null if no assumptions or queries were performed. */</span></div>
<div class="line"><a name="l00984"></a><span class="lineno"> 984</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Proof.html">Proof</a> getProofTCC() = 0;</div>
<div class="line"><a name="l00985"></a><span class="lineno"> 985</span> <span class="comment"></span></div>
<div class="line"><a name="l00986"></a><span class="lineno"> 986</span> <span class="comment"> //! After successful query, return its closure |- Gamma => phi</span></div>
<div class="line"><a name="l00987"></a><span class="lineno"> 987</span> <span class="comment"></span><span class="comment"> /*! Turn a valid query Gamma |- phi into an implication</span></div>
<div class="line"><a name="l00988"></a><span class="lineno"> 988</span> <span class="comment"> * |- Gamma => phi.</span></div>
<div class="line"><a name="l00989"></a><span class="lineno"> 989</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00990"></a><span class="lineno"> 990</span> <span class="comment"> * Returns Null if last query was invalid.</span></div>
<div class="line"><a name="l00991"></a><span class="lineno"> 991</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00992"></a><span class="lineno"> 992</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> getClosure() = 0;</div>
<div class="line"><a name="l00993"></a><span class="lineno"> 993</span> <span class="comment"></span></div>
<div class="line"><a name="l00994"></a><span class="lineno"> 994</span> <span class="comment"> //! Construct a proof of the query closure |- Gamma => phi</span></div>
<div class="line"><a name="l00995"></a><span class="lineno"> 995</span> <span class="comment"></span><span class="comment"> /*! Returns Null if last query was Invalid. */</span></div>
<div class="line"><a name="l00996"></a><span class="lineno"> 996</span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Proof.html">Proof</a> getProofClosure() = 0;</div>
<div class="line"><a name="l00997"></a><span class="lineno"> 997</span> <span class="comment"></span></div>
<div class="line"><a name="l00998"></a><span class="lineno"> 998</span> <span class="comment"> /*@}*/</span> <span class="comment">// End of Validity checking methods</span></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>  <span class="comment">/***************************************************************************/</span><span class="comment"></span></div>
<div class="line"><a name="l01001"></a><span class="lineno"> 1001</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l01002"></a><span class="lineno"> 1002</span> <span class="comment"> *\name Context methods</span></div>
<div class="line"><a name="l01003"></a><span class="lineno"> 1003</span> <span class="comment"> * Methods for manipulating contexts</span></div>
<div class="line"><a name="l01004"></a><span class="lineno"> 1004</span> <span class="comment"> *</span></div>
<div class="line"><a name="l01005"></a><span class="lineno"> 1005</span> <span class="comment"> * Contexts support stack-based push and pop. There are two</span></div>
<div class="line"><a name="l01006"></a><span class="lineno"> 1006</span> <span class="comment"> * separate notions of the current context stack. stackLevel(), push(),</span></div>
<div class="line"><a name="l01007"></a><span class="lineno"> 1007</span> <span class="comment"> * pop(), and popto() work with the user-level notion of the stack.</span></div>
<div class="line"><a name="l01008"></a><span class="lineno"> 1008</span> <span class="comment"> *</span></div>
<div class="line"><a name="l01009"></a><span class="lineno"> 1009</span> <span class="comment"> * scopeLevel(), pushScope(), popScope(), and poptoScope() work with</span></div>
<div class="line"><a name="l01010"></a><span class="lineno"> 1010</span> <span class="comment"> * the internal stack which is more fine-grained than the user</span></div>
<div class="line"><a name="l01011"></a><span class="lineno"> 1011</span> <span class="comment"> * stack.</span></div>
<div class="line"><a name="l01012"></a><span class="lineno"> 1012</span> <span class="comment"> *</span></div>
<div class="line"><a name="l01013"></a><span class="lineno"> 1013</span> <span class="comment"> * Do not use the scope methods unless you know what you are doing.</span></div>
<div class="line"><a name="l01014"></a><span class="lineno"> 1014</span> <span class="comment"> * *@{</span></div>
<div class="line"><a name="l01015"></a><span class="lineno"> 1015</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01016"></a><span class="lineno"> 1016</span>  <span class="comment">/***************************************************************************/</span></div>
<div class="line"><a name="l01017"></a><span class="lineno"> 1017</span> <span class="comment"></span></div>
<div class="line"><a name="l01018"></a><span class="lineno"> 1018</span> <span class="comment"> //! Returns the current stack level. Initial level is 0.</span></div>
<div class="line"><a name="l01019"></a><span class="lineno"> 1019</span> <span class="comment"></span> <span class="keyword">virtual</span> <span class="keywordtype">int</span> stackLevel() = 0;</div>
<div class="line"><a name="l01020"></a><span class="lineno"> 1020</span> <span class="comment"></span></div>
<div class="line"><a name="l01021"></a><span class="lineno"> 1021</span> <span class="comment"> //! Checkpoint the current context and increase the scope level</span></div>
<div class="line"><a name="l01022"></a><span class="lineno"> 1022</span> <span class="comment"></span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="group__ExprStream__Manip.html#ga2a0348c6d3f94f2f8febc6dd0a9c3218" title="Set the indentation to the current position.">push</a>() = 0;</div>
<div class="line"><a name="l01023"></a><span class="lineno"> 1023</span> <span class="comment"></span></div>
<div class="line"><a name="l01024"></a><span class="lineno"> 1024</span> <span class="comment"> //! Restore the current context to its state at the last checkpoint</span></div>
<div class="line"><a name="l01025"></a><span class="lineno"> 1025</span> <span class="comment"></span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="group__ExprStream__Manip.html#gaddb050a787be87116afc51791293d3be" title="Restore the indentation.">pop</a>() = 0;</div>
<div class="line"><a name="l01026"></a><span class="lineno"> 1026</span> <span class="comment"></span></div>
<div class="line"><a name="l01027"></a><span class="lineno"> 1027</span> <span class="comment"> //! Restore the current context to the given stackLevel.</span></div>
<div class="line"><a name="l01028"></a><span class="lineno"> 1028</span> <span class="comment"></span><span class="comment"> /*!</span></div>
<div class="line"><a name="l01029"></a><span class="lineno"> 1029</span> <span class="comment"> \param stackLevel should be greater than or equal to 0 and less</span></div>
<div class="line"><a name="l01030"></a><span class="lineno"> 1030</span> <span class="comment"> than or equal to the current scope level.</span></div>
<div class="line"><a name="l01031"></a><span class="lineno"> 1031</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01032"></a><span class="lineno"> 1032</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> popto(<span class="keywordtype">int</span> stackLevel) = 0;</div>
<div class="line"><a name="l01033"></a><span class="lineno"> 1033</span> <span class="comment"></span></div>
<div class="line"><a name="l01034"></a><span class="lineno"> 1034</span> <span class="comment"> //! Returns the current scope level. Initially, the scope level is 1.</span></div>
<div class="line"><a name="l01035"></a><span class="lineno"> 1035</span> <span class="comment"></span> <span class="keyword">virtual</span> <span class="keywordtype">int</span> scopeLevel() = 0;</div>
<div class="line"><a name="l01036"></a><span class="lineno"> 1036</span> <span class="comment"></span></div>
<div class="line"><a name="l01037"></a><span class="lineno"> 1037</span> <span class="comment"> /*! @brief Checkpoint the current context and increase the</span></div>
<div class="line"><a name="l01038"></a><span class="lineno"> 1038</span> <span class="comment"> * <strong>internal</strong> scope level. Do not use unless you</span></div>
<div class="line"><a name="l01039"></a><span class="lineno"> 1039</span> <span class="comment"> * know what you're doing!</span></div>
<div class="line"><a name="l01040"></a><span class="lineno"> 1040</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01041"></a><span class="lineno"> 1041</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> pushScope() = 0;</div>
<div class="line"><a name="l01042"></a><span class="lineno"> 1042</span> <span class="comment"></span></div>
<div class="line"><a name="l01043"></a><span class="lineno"> 1043</span> <span class="comment"> /*! @brief Restore the current context to its state at the last</span></div>
<div class="line"><a name="l01044"></a><span class="lineno"> 1044</span> <span class="comment"> * <strong>internal</strong> checkpoint. Do not use unless you know</span></div>
<div class="line"><a name="l01045"></a><span class="lineno"> 1045</span> <span class="comment"> * what you're doing!</span></div>
<div class="line"><a name="l01046"></a><span class="lineno"> 1046</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01047"></a><span class="lineno"> 1047</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> popScope() = 0;</div>
<div class="line"><a name="l01048"></a><span class="lineno"> 1048</span> <span class="comment"></span></div>
<div class="line"><a name="l01049"></a><span class="lineno"> 1049</span> <span class="comment"> //! Restore the current context to the given scopeLevel.</span></div>
<div class="line"><a name="l01050"></a><span class="lineno"> 1050</span> <span class="comment"></span><span class="comment"> /*!</span></div>
<div class="line"><a name="l01051"></a><span class="lineno"> 1051</span> <span class="comment"> \param scopeLevel should be less than or equal to the current scope level.</span></div>
<div class="line"><a name="l01052"></a><span class="lineno"> 1052</span> <span class="comment"></span></div>
<div class="line"><a name="l01053"></a><span class="lineno"> 1053</span> <span class="comment"> If scopeLevel is less than 1, then the current context is reset</span></div>
<div class="line"><a name="l01054"></a><span class="lineno"> 1054</span> <span class="comment"> and the scope level is set to 1.</span></div>
<div class="line"><a name="l01055"></a><span class="lineno"> 1055</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01056"></a><span class="lineno"> 1056</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> poptoScope(<span class="keywordtype">int</span> scopeLevel) = 0;</div>
<div class="line"><a name="l01057"></a><span class="lineno"> 1057</span> <span class="comment"></span></div>
<div class="line"><a name="l01058"></a><span class="lineno"> 1058</span> <span class="comment"> //! Get the current context</span></div>
<div class="line"><a name="l01059"></a><span class="lineno"> 1059</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Context.html">Context</a>* getCurrentContext() = 0;</div>
<div class="line"><a name="l01060"></a><span class="lineno"> 1060</span> <span class="comment"></span></div>
<div class="line"><a name="l01061"></a><span class="lineno"> 1061</span> <span class="comment"> //! Destroy and recreate validity checker: resets everything except for flags</span></div>
<div class="line"><a name="l01062"></a><span class="lineno"> 1062</span> <span class="comment"></span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="group__ExprStream__Manip.html#ga90deb7348703ae1a59a11d9af77aa8ad" title="Reset the indentation to the default at this level.">reset</a>() = 0;</div>
<div class="line"><a name="l01063"></a><span class="lineno"> 1063</span> <span class="comment"></span></div>
<div class="line"><a name="l01064"></a><span class="lineno"> 1064</span> <span class="comment"> //! Add an annotation to the current script - prints annot when translating</span></div>
<div class="line"><a name="l01065"></a><span class="lineno"> 1065</span> <span class="comment"></span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> logAnnotation(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& annot) = 0;</div>
<div class="line"><a name="l01066"></a><span class="lineno"> 1066</span> <span class="comment"></span></div>
<div class="line"><a name="l01067"></a><span class="lineno"> 1067</span> <span class="comment"> /*@}*/</span> <span class="comment">// End of Context methods</span></div>
<div class="line"><a name="l01068"></a><span class="lineno"> 1068</span> </div>
<div class="line"><a name="l01069"></a><span class="lineno"> 1069</span>  <span class="comment">/***************************************************************************/</span><span class="comment"></span></div>
<div class="line"><a name="l01070"></a><span class="lineno"> 1070</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l01071"></a><span class="lineno"> 1071</span> <span class="comment"> *\name Reading files</span></div>
<div class="line"><a name="l01072"></a><span class="lineno"> 1072</span> <span class="comment"> * Methods for reading external files</span></div>
<div class="line"><a name="l01073"></a><span class="lineno"> 1073</span> <span class="comment"> *@{</span></div>
<div class="line"><a name="l01074"></a><span class="lineno"> 1074</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01075"></a><span class="lineno"> 1075</span>  <span class="comment">/***************************************************************************/</span></div>
<div class="line"><a name="l01076"></a><span class="lineno"> 1076</span> <span class="comment"></span></div>
<div class="line"><a name="l01077"></a><span class="lineno"> 1077</span> <span class="comment"> //! Read and execute the commands from a file given by name ("" means stdin)</span></div>
<div class="line"><a name="l01078"></a><span class="lineno"> 1078</span> <span class="comment"></span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> loadFile(<span class="keyword">const</span> std::string& fileName,</div>
<div class="line"><a name="l01079"></a><span class="lineno"> 1079</span>  <a class="code" href="namespaceCVC3.html#a3aaaf7bc1fc47a4860ef6e59ddb0db0e" title="Different input languages.">InputLanguage</a> lang = <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="l01080"></a><span class="lineno"> 1080</span>  <span class="keywordtype">bool</span> interactive = <span class="keyword">false</span>,</div>
<div class="line"><a name="l01081"></a><span class="lineno"> 1081</span>  <span class="keywordtype">bool</span> calledFromParser = <span class="keyword">false</span>) = 0;</div>
<div class="line"><a name="l01082"></a><span class="lineno"> 1082</span> <span class="comment"></span></div>
<div class="line"><a name="l01083"></a><span class="lineno"> 1083</span> <span class="comment"> //! Read and execute the commands from a stream</span></div>
<div class="line"><a name="l01084"></a><span class="lineno"> 1084</span> <span class="comment"></span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> loadFile(std::istream& is,</div>
<div class="line"><a name="l01085"></a><span class="lineno"> 1085</span>  <a class="code" href="namespaceCVC3.html#a3aaaf7bc1fc47a4860ef6e59ddb0db0e" title="Different input languages.">InputLanguage</a> lang = <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="l01086"></a><span class="lineno"> 1086</span>  <span class="keywordtype">bool</span> interactive = <span class="keyword">false</span>) = 0;</div>
<div class="line"><a name="l01087"></a><span class="lineno"> 1087</span> <span class="comment"></span></div>
<div class="line"><a name="l01088"></a><span class="lineno"> 1088</span> <span class="comment"> /*@}*/</span> <span class="comment">// End of methods for reading files</span></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="comment">/***************************************************************************/</span><span class="comment"></span></div>
<div class="line"><a name="l01091"></a><span class="lineno"> 1091</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l01092"></a><span class="lineno"> 1092</span> <span class="comment"> *\name Reporting Statistics</span></div>
<div class="line"><a name="l01093"></a><span class="lineno"> 1093</span> <span class="comment"> * Methods for collecting and reporting run-time statistics</span></div>
<div class="line"><a name="l01094"></a><span class="lineno"> 1094</span> <span class="comment"> *@{</span></div>
<div class="line"><a name="l01095"></a><span class="lineno"> 1095</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01096"></a><span class="lineno"> 1096</span>  <span class="comment">/***************************************************************************/</span></div>
<div class="line"><a name="l01097"></a><span class="lineno"> 1097</span> <span class="comment"></span></div>
<div class="line"><a name="l01098"></a><span class="lineno"> 1098</span> <span class="comment"> //! Get statistics object</span></div>
<div class="line"><a name="l01099"></a><span class="lineno"> 1099</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Statistics.html">Statistics</a>& getStatistics() = 0;</div>
<div class="line"><a name="l01100"></a><span class="lineno"> 1100</span> <span class="comment"></span></div>
<div class="line"><a name="l01101"></a><span class="lineno"> 1101</span> <span class="comment"> //! Print collected statistics to stdout</span></div>
<div class="line"><a name="l01102"></a><span class="lineno"> 1102</span> <span class="comment"></span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> printStatistics() = 0;</div>
<div class="line"><a name="l01103"></a><span class="lineno"> 1103</span> <span class="comment"></span></div>
<div class="line"><a name="l01104"></a><span class="lineno"> 1104</span> <span class="comment"> /*@}*/</span> <span class="comment">// End of Statistics Methods</span></div>
<div class="line"><a name="l01105"></a><span class="lineno"> 1105</span> </div>
<div class="line"><a name="l01106"></a><span class="lineno"> 1106</span> </div>
<div class="line"><a name="l01107"></a><span class="lineno"> 1107</span> }; <span class="comment">// End of class ValidityChecker</span></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> } <span class="comment">// End of namespace CVC3</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"> 1111</span> <span class="preprocessor">#endif</span></div>
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