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/********************* */
/*! \file proof_manager.h
** \verbatim
** Original author: Liana Hadarean
** Major contributors: Morgan Deters
** Minor contributors (to current version): none
** This file is part of the CVC4 project.
** Copyright (c) 2009-2013 New York University and The University of Iowa
** See the file COPYING in the top-level source directory for licensing
** information.\endverbatim
**
** \brief A manager for Proofs.
**
** A manager for Proofs.
**
**
**/
#include "cvc4_private.h"
#ifndef __CVC4__PROOF_MANAGER_H
#define __CVC4__PROOF_MANAGER_H
#include <iostream>
#include "proof/proof.h"
#include "util/proof.h"
// forward declarations
namespace Minisat {
class Solver;
}
namespace CVC4 {
namespace prop {
class CnfStream;
}
typedef int ClauseId;
class Proof;
class SatProof;
class CnfProof;
class TheoryProof;
class LFSCSatProof;
class LFSCCnfProof;
class LFSCTheoryProof;
namespace prop {
typedef uint64_t SatVariable;
class SatLiteral;
}
// different proof modes
enum ProofFormat {
LFSC,
NATIVE
};/* enum ProofFormat */
std::string append(const std::string& str, uint64_t num);
class ProofManager {
SatProof* d_satProof;
CnfProof* d_cnfProof;
TheoryProof* d_theoryProof;
Proof* d_fullProof;
ProofFormat d_format;
static ProofManager* proofManager;
static bool isInitialized;
ProofManager(ProofFormat format = LFSC);
~ProofManager();
public:
static ProofManager* currentPM();
static void initSatProof(Minisat::Solver* solver);
static void initCnfProof(CVC4::prop::CnfStream* cnfStream);
static void initTheoryProof();
static Proof* getProof();
static SatProof* getSatProof();
static CnfProof* getCnfProof();
static TheoryProof* getTheoryProof();
// variable prefixes
static std::string printInputClauseName(ClauseId id);
static std::string printLemmaClauseName(ClauseId id);
static std::string printLearntClauseName(ClauseId id);
static std::string printVarName(prop::SatVariable var);
static std::string printAtomName(prop::SatVariable var);
static std::string printLitName(prop::SatLiteral lit);
};/* class ProofManager */
class LFSCProof : public Proof {
LFSCSatProof* d_satProof;
LFSCCnfProof* d_cnfProof;
LFSCTheoryProof* d_theoryProof;
public:
LFSCProof(LFSCSatProof* sat, LFSCCnfProof* cnf, LFSCTheoryProof* theory);
virtual void toStream(std::ostream& out);
virtual ~LFSCProof() {}
};
}/* CVC4 namespace */
#endif /* __CVC4__PROOF_MANAGER_H */
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