/usr/include/cvc3/dpllt_basic.h is in libcvc3-dev 2.4.1-4ubuntu1.
This file is owned by root:root, with mode 0o644.
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/*!
*\file dpllt_basic.h
*\brief Basic implementation of dpllt module
*
* Author: Clark Barrett
*
* Created: Mon Dec 12 19:06:58 2005
*
* <hr>
*
* License to use, copy, modify, sell and/or distribute this software
* and its documentation for any purpose is hereby granted without
* royalty, subject to the terms and conditions defined in the \ref
* LICENSE file provided with this distribution.
*
* <hr>
*/
/*****************************************************************************/
#ifndef _cvc3__sat__dpllt_basic_h_
#define _cvc3__sat__dpllt_basic_h_
#include "dpllt.h"
#include "sat_api.h"
#include "cdo.h"
#include "proof.h"
#include "cnf_manager.h"
namespace SAT {
class DPLLTBasic :public DPLLT {
CVC3::ContextManager* d_cm;
bool d_ready;
SatSolver* d_mng;
CNF_Formula_Impl* d_cnf;
CD_CNF_Formula* d_assertions;
std::vector<SatSolver*> d_mngStack;
std::vector<CNF_Formula_Impl*> d_cnfStack;
std::vector<CD_CNF_Formula*> d_assertionsStack;
bool d_printStats;
CVC3::CDO<unsigned> d_pushLevel;
CVC3::CDO<bool> d_readyPrev;
CVC3::CDO<unsigned> d_prevStackSize;
CVC3::CDO<unsigned> d_prevAStackSize;
void createManager();
void generate_CDB (CNF_Formula_Impl& cnf);
void handle_result(SatSolver::SATStatus outcome);
void verify_solution();
public:
DPLLTBasic(TheoryAPI* theoryAPI, Decider* decider, CVC3::ContextManager* cm,
bool printStats = false);
virtual ~DPLLTBasic();
void addNewClause(const Clause& c);
void addNewClauses(CNF_Formula_Impl& cnf);
SatSolver::Lit cvc2SAT(Lit l)
{ return l.isNull() ? SatSolver::Lit() :
d_mng->MakeLit(d_mng->GetVar(l.getVar()), l.isPositive() ? 0 : 1); }
Lit SAT2cvc(SatSolver::Lit l)
{ return l.IsNull() ? Lit() :
Lit(d_mng->GetVarIndex(d_mng->GetVarFromLit(l)),
d_mng->GetPhaseFromLit(l) == 0); }
SatSolver* satSolver() { return d_mng; }
// Implementation of virtual DPLLT methods
void push();
void pop();
void addAssertion(const CNF_Formula& cnf);
virtual std::vector<SAT::Lit> getCurAssignments() ;
virtual std::vector<std::vector<SAT::Lit> > getCurClauses();
CVC3::QueryResult checkSat(const CNF_Formula& cnf);
CVC3::QueryResult continueCheck(const CNF_Formula& cnf);
Var::Val getValue(Var v) { return Var::Val(d_mng->GetVarAssignment(d_mng->GetVar(v))); }
CVC3::Proof getSatProof(CNF_Manager*, CVC3::TheoryCore*);
};
}
#endif
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