<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<title>CVC3: dpllt_basic.h Source File</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<link href="doxygen.css" rel="stylesheet" type="text/css"/>
</head>
<body>
<!-- Generated by Doxygen 1.7.4 -->
<div id="top">
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
<tbody>
<tr style="height: 56px;">
<td style="padding-left: 0.5em;">
<div id="projectname">CVC3 <span id="projectnumber">2.4.1</span></div>
</td>
</tr>
</tbody>
</table>
</div>
<div id="navrow1" class="tabs">
<ul class="tablist">
<li><a href="index.html"><span>Main Page</span></a></li>
<li><a href="pages.html"><span>Related Pages</span></a></li>
<li><a href="modules.html"><span>Modules</span></a></li>
<li><a href="namespaces.html"><span>Namespaces</span></a></li>
<li><a href="annotated.html"><span>Classes</span></a></li>
<li class="current"><a href="files.html"><span>Files</span></a></li>
</ul>
</div>
<div id="navrow2" class="tabs2">
<ul class="tablist">
<li><a href="files.html"><span>File List</span></a></li>
<li><a href="globals.html"><span>File Members</span></a></li>
</ul>
</div>
<div class="header">
<div class="headertitle">
<div class="title">dpllt_basic.h</div> </div>
</div>
<div class="contents">
<a href="dpllt__basic_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*****************************************************************************/</span><span class="comment"></span>
<a name="l00002"></a>00002 <span class="comment">/*!</span>
<a name="l00003"></a>00003 <span class="comment"> *\file dpllt_basic.h</span>
<a name="l00004"></a>00004 <span class="comment"> *\brief Basic implementation of dpllt module</span>
<a name="l00005"></a>00005 <span class="comment"> *</span>
<a name="l00006"></a>00006 <span class="comment"> * Author: Clark Barrett</span>
<a name="l00007"></a>00007 <span class="comment"> *</span>
<a name="l00008"></a>00008 <span class="comment"> * Created: Mon Dec 12 19:06:58 2005</span>
<a name="l00009"></a>00009 <span class="comment"> *</span>
<a name="l00010"></a>00010 <span class="comment"> * <hr></span>
<a name="l00011"></a>00011 <span class="comment"> *</span>
<a name="l00012"></a>00012 <span class="comment"> * License to use, copy, modify, sell and/or distribute this software</span>
<a name="l00013"></a>00013 <span class="comment"> * and its documentation for any purpose is hereby granted without</span>
<a name="l00014"></a>00014 <span class="comment"> * royalty, subject to the terms and conditions defined in the \ref</span>
<a name="l00015"></a>00015 <span class="comment"> * LICENSE file provided with this distribution.</span>
<a name="l00016"></a>00016 <span class="comment"> * </span>
<a name="l00017"></a>00017 <span class="comment"> * <hr></span>
<a name="l00018"></a>00018 <span class="comment"> */</span>
<a name="l00019"></a>00019 <span class="comment">/*****************************************************************************/</span>
<a name="l00020"></a>00020
<a name="l00021"></a>00021 <span class="preprocessor">#ifndef _cvc3__sat__dpllt_basic_h_</span>
<a name="l00022"></a>00022 <span class="preprocessor"></span><span class="preprocessor">#define _cvc3__sat__dpllt_basic_h_</span>
<a name="l00023"></a>00023 <span class="preprocessor"></span>
<a name="l00024"></a>00024 <span class="preprocessor">#include "<a class="code" href="dpllt_8h.html" title="Generic DPLL(T) module.">dpllt.h</a>"</span>
<a name="l00025"></a>00025 <span class="preprocessor">#include "<a class="code" href="sat__api_8h.html">sat_api.h</a>"</span>
<a name="l00026"></a>00026 <span class="preprocessor">#include "<a class="code" href="cdo_8h.html">cdo.h</a>"</span>
<a name="l00027"></a>00027 <span class="preprocessor">#include "<a class="code" href="proof_8h.html">proof.h</a>"</span>
<a name="l00028"></a>00028 <span class="preprocessor">#include "<a class="code" href="cnf__manager_8h.html" title="Manager for conversion to and traversal of CNF formulas.">cnf_manager.h</a>"</span>
<a name="l00029"></a>00029
<a name="l00030"></a>00030 <span class="keyword">namespace </span>SAT {
<a name="l00031"></a>00031
<a name="l00032"></a><a class="code" href="classSAT_1_1DPLLTBasic.html">00032</a> <span class="keyword">class </span><a class="code" href="classSAT_1_1DPLLTBasic.html">DPLLTBasic</a> :<span class="keyword">public</span> <a class="code" href="classSAT_1_1DPLLT.html">DPLLT</a> {
<a name="l00033"></a>00033
<a name="l00034"></a><a class="code" href="classSAT_1_1DPLLTBasic.html#a9e8593063e800cb17793629543493624">00034</a> <a class="code" href="classCVC3_1_1ContextManager.html" title="Manager for multiple contexts. Also holds current context.">CVC3::ContextManager</a>* <a class="code" href="classSAT_1_1DPLLTBasic.html#a9e8593063e800cb17793629543493624">d_cm</a>;
<a name="l00035"></a>00035
<a name="l00036"></a><a class="code" href="classSAT_1_1DPLLTBasic.html#af53a2ee63b573d7ddd70395cc58fab6a">00036</a> <span class="keywordtype">bool</span> <a class="code" href="classSAT_1_1DPLLTBasic.html#af53a2ee63b573d7ddd70395cc58fab6a">d_ready</a>;
<a name="l00037"></a><a class="code" href="classSAT_1_1DPLLTBasic.html#a21ec19cee9ab93b7cda66d209dd6e676">00037</a> <a class="code" href="classSatSolver.html">SatSolver</a>* <a class="code" href="classSAT_1_1DPLLTBasic.html#a21ec19cee9ab93b7cda66d209dd6e676">d_mng</a>;
<a name="l00038"></a><a class="code" href="classSAT_1_1DPLLTBasic.html#a191c0c9c76c2ab5a37038c32a7c6ab58">00038</a> <a class="code" href="classSAT_1_1CNF__Formula__Impl.html">CNF_Formula_Impl</a>* <a class="code" href="classSAT_1_1DPLLTBasic.html#a191c0c9c76c2ab5a37038c32a7c6ab58">d_cnf</a>;
<a name="l00039"></a><a class="code" href="classSAT_1_1DPLLTBasic.html#a6032bad91260ee1c03ed4553425d6cf9">00039</a> <a class="code" href="classSAT_1_1CD__CNF__Formula.html">CD_CNF_Formula</a>* <a class="code" href="classSAT_1_1DPLLTBasic.html#a6032bad91260ee1c03ed4553425d6cf9">d_assertions</a>;
<a name="l00040"></a>00040
<a name="l00041"></a><a class="code" href="classSAT_1_1DPLLTBasic.html#aba339d2d7e2f5ed7bf1367e497e73087">00041</a> std::vector<SatSolver*> <a class="code" href="classSAT_1_1DPLLTBasic.html#aba339d2d7e2f5ed7bf1367e497e73087">d_mngStack</a>;
<a name="l00042"></a><a class="code" href="classSAT_1_1DPLLTBasic.html#a423ff42fd5ccad2be5f8dd97654e9a81">00042</a> std::vector<CNF_Formula_Impl*> <a class="code" href="classSAT_1_1DPLLTBasic.html#a423ff42fd5ccad2be5f8dd97654e9a81">d_cnfStack</a>;
<a name="l00043"></a><a class="code" href="classSAT_1_1DPLLTBasic.html#a4194dcc23968652060be41902ca5b376">00043</a> std::vector<CD_CNF_Formula*> <a class="code" href="classSAT_1_1DPLLTBasic.html#a4194dcc23968652060be41902ca5b376">d_assertionsStack</a>;
<a name="l00044"></a><a class="code" href="classSAT_1_1DPLLTBasic.html#a347d0b91280f484b5035505f148864e6">00044</a> <span class="keywordtype">bool</span> <a class="code" href="classSAT_1_1DPLLTBasic.html#a347d0b91280f484b5035505f148864e6">d_printStats</a>;
<a name="l00045"></a>00045
<a name="l00046"></a><a class="code" href="classSAT_1_1DPLLTBasic.html#ac1e928276774bc77063ee05aa2ceb078">00046</a> <a class="code" href="classCVC3_1_1CDO.html">CVC3::CDO<unsigned></a> <a class="code" href="classSAT_1_1DPLLTBasic.html#ac1e928276774bc77063ee05aa2ceb078">d_pushLevel</a>;
<a name="l00047"></a><a class="code" href="classSAT_1_1DPLLTBasic.html#a04bf3fdf12271b364b22d40dc352f634">00047</a> <a class="code" href="classCVC3_1_1CDO.html">CVC3::CDO<bool></a> <a class="code" href="classSAT_1_1DPLLTBasic.html#a04bf3fdf12271b364b22d40dc352f634">d_readyPrev</a>;
<a name="l00048"></a><a class="code" href="classSAT_1_1DPLLTBasic.html#ada4aa8a05927fc1ea334edea0b5f8fd3">00048</a> <a class="code" href="classCVC3_1_1CDO.html">CVC3::CDO<unsigned></a> <a class="code" href="classSAT_1_1DPLLTBasic.html#ada4aa8a05927fc1ea334edea0b5f8fd3">d_prevStackSize</a>;
<a name="l00049"></a><a class="code" href="classSAT_1_1DPLLTBasic.html#a0bd6e3a5262667eed68fd59cf6c39551">00049</a> <a class="code" href="classCVC3_1_1CDO.html">CVC3::CDO<unsigned></a> <a class="code" href="classSAT_1_1DPLLTBasic.html#a0bd6e3a5262667eed68fd59cf6c39551">d_prevAStackSize</a>;
<a name="l00050"></a>00050
<a name="l00051"></a>00051 <span class="keywordtype">void</span> <a class="code" href="classSAT_1_1DPLLTBasic.html#a082ff0d184786dbd60a400320dbc826a">createManager</a>();
<a name="l00052"></a>00052 <span class="keywordtype">void</span> <a class="code" href="classSAT_1_1DPLLTBasic.html#a744ab3115b0c945843cc1310d06280b3">generate_CDB</a> (<a class="code" href="classSAT_1_1CNF__Formula__Impl.html">CNF_Formula_Impl</a>& cnf);
<a name="l00053"></a>00053 <span class="keywordtype">void</span> <a class="code" href="classSAT_1_1DPLLTBasic.html#aa41a72c436f5faf03128d53bc4e3f9ef">handle_result</a>(<a class="code" href="classSatSolver.html#a09aef5b79042b31f37d0184667c34d53">SatSolver::SATStatus</a> outcome);
<a name="l00054"></a>00054 <span class="keywordtype">void</span> <a class="code" href="classSAT_1_1DPLLTBasic.html#a1340aa7926370e1bc90d1da906eb8e79">verify_solution</a>();
<a name="l00055"></a>00055
<a name="l00056"></a>00056 <span class="keyword">public</span>:
<a name="l00057"></a>00057 <a class="code" href="classSAT_1_1DPLLTBasic.html#a11ff82c567a310525206ba0260fbde5e">DPLLTBasic</a>(<a class="code" href="classSAT_1_1DPLLT_1_1TheoryAPI.html">TheoryAPI</a>* <a class="code" href="classSAT_1_1DPLLT.html#adec2886c41b3443c264b852bc5f5a84c">theoryAPI</a>, <a class="code" href="classSAT_1_1DPLLT_1_1Decider.html">Decider</a>* <a class="code" href="classSAT_1_1DPLLT.html#add78f8065e68c538dd0914949fb87aef">decider</a>, <a class="code" href="classCVC3_1_1ContextManager.html" title="Manager for multiple contexts. Also holds current context.">CVC3::ContextManager</a>* cm,
<a name="l00058"></a>00058 <span class="keywordtype">bool</span> printStats = <span class="keyword">false</span>);
<a name="l00059"></a>00059 <span class="keyword">virtual</span> <a class="code" href="classSAT_1_1DPLLTBasic.html#a080afc4433840fd154465360ec97ca2b">~DPLLTBasic</a>();
<a name="l00060"></a>00060
<a name="l00061"></a>00061 <span class="keywordtype">void</span> <a class="code" href="classSAT_1_1DPLLTBasic.html#abfe1c680e074676f0f291125e7eb150e">addNewClause</a>(<span class="keyword">const</span> <a class="code" href="classSAT_1_1Clause.html">Clause</a>& c);
<a name="l00062"></a>00062 <span class="keywordtype">void</span> <a class="code" href="classSAT_1_1DPLLTBasic.html#acc013b97f0368bc1ca43cf374f06521c">addNewClauses</a>(<a class="code" href="classSAT_1_1CNF__Formula__Impl.html">CNF_Formula_Impl</a>& cnf);
<a name="l00063"></a>00063
<a name="l00064"></a><a class="code" href="classSAT_1_1DPLLTBasic.html#a96c27b95e07e062a16beb412f68608a1">00064</a> <a class="code" href="unionSatSolver_1_1Lit.html">SatSolver::Lit</a> <a class="code" href="classSAT_1_1DPLLTBasic.html#a96c27b95e07e062a16beb412f68608a1">cvc2SAT</a>(<a class="code" href="classSAT_1_1Lit.html">Lit</a> l)
<a name="l00065"></a>00065 { <span class="keywordflow">return</span> l.<a class="code" href="classSAT_1_1Lit.html#ad5f6236c582c95356d720a7401623f36">isNull</a>() ? <a class="code" href="unionSatSolver_1_1Lit.html">SatSolver::Lit</a>() :
<a name="l00066"></a>00066 <a class="code" href="classSAT_1_1DPLLTBasic.html#a21ec19cee9ab93b7cda66d209dd6e676">d_mng</a>-><a class="code" href="classSatSolver.html#a66bbef74a05f145e477adf37a1e1d116">MakeLit</a>(<a class="code" href="classSAT_1_1DPLLTBasic.html#a21ec19cee9ab93b7cda66d209dd6e676">d_mng</a>-><a class="code" href="classSatSolver.html#aebeecffca634f23d8c9b941b44b4cfe7">GetVar</a>(l.<a class="code" href="classSAT_1_1Lit.html#a57e2e6e37cad9595c3edbea88a41262f">getVar</a>()), l.<a class="code" href="classSAT_1_1Lit.html#ada14f3ca2b88500b5c2500d60e7f554b">isPositive</a>() ? 0 : 1); }
<a name="l00067"></a>00067
<a name="l00068"></a><a class="code" href="classSAT_1_1DPLLTBasic.html#ad9ce5fbf4bb808f859d6aae48bfb07db">00068</a> <a class="code" href="classSAT_1_1Lit.html">Lit</a> <a class="code" href="classSAT_1_1DPLLTBasic.html#ad9ce5fbf4bb808f859d6aae48bfb07db">SAT2cvc</a>(<a class="code" href="unionSatSolver_1_1Lit.html">SatSolver::Lit</a> l)
<a name="l00069"></a>00069 { <span class="keywordflow">return</span> l.<a class="code" href="unionSatSolver_1_1Lit.html#a1445776bb4af130811f46b3ad41b564c">IsNull</a>() ? <a class="code" href="classSAT_1_1Lit.html">Lit</a>() :
<a name="l00070"></a>00070 <a class="code" href="classSAT_1_1Lit.html">Lit</a>(<a class="code" href="classSAT_1_1DPLLTBasic.html#a21ec19cee9ab93b7cda66d209dd6e676">d_mng</a>-><a class="code" href="classSatSolver.html#a78a8661d31ba8f3aca7e4c73a84f0bcf">GetVarIndex</a>(<a class="code" href="classSAT_1_1DPLLTBasic.html#a21ec19cee9ab93b7cda66d209dd6e676">d_mng</a>-><a class="code" href="classSatSolver.html#a505146a1fb5715620935ec31f909932f">GetVarFromLit</a>(l)),
<a name="l00071"></a>00071 <a class="code" href="classSAT_1_1DPLLTBasic.html#a21ec19cee9ab93b7cda66d209dd6e676">d_mng</a>-><a class="code" href="classSatSolver.html#a7187c85c8fc08c253b97de67509af3f2">GetPhaseFromLit</a>(l) == 0); }
<a name="l00072"></a>00072
<a name="l00073"></a><a class="code" href="classSAT_1_1DPLLTBasic.html#a0a36ed4b453c94678f0fbbc380a7d3fd">00073</a> <a class="code" href="classSatSolver.html">SatSolver</a>* <a class="code" href="classSAT_1_1DPLLTBasic.html#a0a36ed4b453c94678f0fbbc380a7d3fd">satSolver</a>() { <span class="keywordflow">return</span> <a class="code" href="classSAT_1_1DPLLTBasic.html#a21ec19cee9ab93b7cda66d209dd6e676">d_mng</a>; }
<a name="l00074"></a>00074
<a name="l00075"></a>00075 <span class="comment">// Implementation of virtual DPLLT methods</span>
<a name="l00076"></a>00076
<a name="l00077"></a>00077 <span class="keywordtype">void</span> <a class="code" href="classSAT_1_1DPLLTBasic.html#a8c8f7e178849aead6754e44e3e63dc0c" title="Set a checkpoint for backtracking.">push</a>();
<a name="l00078"></a>00078 <span class="keywordtype">void</span> <a class="code" href="classSAT_1_1DPLLTBasic.html#aff5dbd3c2a47f003d7b388a8b673cc85" title="Restore checkpoint.">pop</a>();
<a name="l00079"></a>00079 <span class="keywordtype">void</span> <a class="code" href="classSAT_1_1DPLLTBasic.html#afaffe075e05bcd2e56aeede2154e0d5a" title="Add new clauses to the SAT solver.">addAssertion</a>(<span class="keyword">const</span> <a class="code" href="classSAT_1_1CNF__Formula.html">CNF_Formula</a>& cnf);
<a name="l00080"></a>00080 <span class="keyword">virtual</span> std::vector<SAT::Lit> <a class="code" href="classSAT_1_1DPLLTBasic.html#a4047558a5e4a9e84b81e388b220d4e79">getCurAssignments</a>() ;
<a name="l00081"></a>00081 <span class="keyword">virtual</span> std::vector<std::vector<SAT::Lit> > <a class="code" href="classSAT_1_1DPLLTBasic.html#abaf2763764a68c9e4fbc190953b4e6c8">getCurClauses</a>();
<a name="l00082"></a>00082
<a name="l00083"></a>00083 <a class="code" href="namespaceCVC3.html#a060d21b3207cc3471e24f8dbcff3498b">CVC3::QueryResult</a> <a class="code" href="classSAT_1_1DPLLTBasic.html#a195fdfa1972c882fd3d87eae0742c7ac" title="Check the satisfiability of a set of clauses in the current context.">checkSat</a>(<span class="keyword">const</span> <a class="code" href="classSAT_1_1CNF__Formula.html">CNF_Formula</a>& cnf);
<a name="l00084"></a>00084 <a class="code" href="namespaceCVC3.html#a060d21b3207cc3471e24f8dbcff3498b">CVC3::QueryResult</a> <a class="code" href="classSAT_1_1DPLLTBasic.html#a1271494f0f1f6e9c249d8fce8418ecd7" title="Continue checking the last check with additional constraints.">continueCheck</a>(<span class="keyword">const</span> <a class="code" href="classSAT_1_1CNF__Formula.html">CNF_Formula</a>& cnf);
<a name="l00085"></a><a class="code" href="classSAT_1_1DPLLTBasic.html#ab0eac02c714ede751cf48fb188e375f6">00085</a> <a class="code" href="classSAT_1_1Var.html#ac9cf10f19f5f4d86ad539777fd8ca5ae">Var::Val</a> <a class="code" href="classSAT_1_1DPLLTBasic.html#ab0eac02c714ede751cf48fb188e375f6" title="Get value of variable: unassigned, false, or true.">getValue</a>(<a class="code" href="classSAT_1_1Var.html">Var</a> v) { <span class="keywordflow">return</span> <a class="code" href="classSAT_1_1Var.html#ac9cf10f19f5f4d86ad539777fd8ca5ae">Var::Val</a>(<a class="code" href="classSAT_1_1DPLLTBasic.html#a21ec19cee9ab93b7cda66d209dd6e676">d_mng</a>-><a class="code" href="classSatSolver.html#a111b3a56be2feaae62bc57483f0aa9bf">GetVarAssignment</a>(<a class="code" href="classSAT_1_1DPLLTBasic.html#a21ec19cee9ab93b7cda66d209dd6e676">d_mng</a>-><a class="code" href="classSatSolver.html#aebeecffca634f23d8c9b941b44b4cfe7">GetVar</a>(v))); }
<a name="l00086"></a>00086
<a name="l00087"></a>00087 <a class="code" href="classCVC3_1_1Proof.html">CVC3::Proof</a> <a class="code" href="classSAT_1_1DPLLTBasic.html#a0c4e0f09aacb6791929ac0eb6e6662c0" title="Get the proof from SAT engine.">getSatProof</a>(<a class="code" href="classSAT_1_1CNF__Manager.html">CNF_Manager</a>*, <a class="code" href="classCVC3_1_1TheoryCore.html" title="This theory handles the built-in logical connectives plus equality. It also handles the registration ...">CVC3::TheoryCore</a>*);
<a name="l00088"></a>00088
<a name="l00089"></a>00089 };
<a name="l00090"></a>00090
<a name="l00091"></a>00091 }
<a name="l00092"></a>00092
<a name="l00093"></a>00093 <span class="preprocessor">#endif</span>
</pre></div></div>
</div>
<hr class="footer"/><address class="footer"><small>Generated on Wed Sep 7 2011 for CVC3 by 
<a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.4 </small></address>
</body>
</html>
