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/********************* */
/*! \file proof_manager.cpp
** \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 [[ Add one-line brief description here ]]
**
** [[ Add lengthier description here ]]
** \todo document this file
**/
#include "proof/proof_manager.h"
#include "util/proof.h"
#include "proof/sat_proof.h"
#include "proof/cnf_proof.h"
#include "proof/theory_proof.h"
#include "util/cvc4_assert.h"
namespace CVC4 {
std::string append(const std::string& str, uint64_t num) {
std::ostringstream os;
os << str << num;
return os.str();
}
bool ProofManager::isInitialized = false;
ProofManager* ProofManager::proofManager = NULL;
ProofManager::ProofManager(ProofFormat format):
d_satProof(NULL),
d_cnfProof(NULL),
d_theoryProof(NULL),
d_fullProof(NULL),
d_format(format)
{
}
ProofManager::~ProofManager() {
delete d_satProof;
delete d_cnfProof;
delete d_theoryProof;
delete d_fullProof;
}
ProofManager* ProofManager::currentPM() {
if (isInitialized) {
return proofManager;
} else {
proofManager = new ProofManager();
isInitialized = true;
return proofManager;
}
}
Proof* ProofManager::getProof() {
if (currentPM()->d_fullProof != NULL)
return currentPM()->d_fullProof;
Assert (currentPM()->d_format == LFSC);
currentPM()->d_fullProof = new LFSCProof((LFSCSatProof*)getSatProof(),
(LFSCCnfProof*)getCnfProof(),
(LFSCTheoryProof*)getTheoryProof());
return currentPM()->d_fullProof;
}
SatProof* ProofManager::getSatProof() {
Assert (currentPM()->d_satProof);
return currentPM()->d_satProof;
}
CnfProof* ProofManager::getCnfProof() {
Assert (currentPM()->d_cnfProof);
return currentPM()->d_cnfProof;
}
TheoryProof* ProofManager::getTheoryProof() {
Assert (currentPM()->d_theoryProof);
return currentPM()->d_theoryProof;
}
void ProofManager::initSatProof(Minisat::Solver* solver) {
Assert (currentPM()->d_satProof == NULL);
Assert(currentPM()->d_format == LFSC);
currentPM()->d_satProof = new LFSCSatProof(solver);
}
void ProofManager::initCnfProof(prop::CnfStream* cnfStream) {
Assert (currentPM()->d_cnfProof == NULL);
Assert (currentPM()->d_format == LFSC);
currentPM()->d_cnfProof = new LFSCCnfProof(cnfStream);
}
void ProofManager::initTheoryProof() {
Assert (currentPM()->d_theoryProof == NULL);
Assert (currentPM()->d_format == LFSC);
currentPM()->d_theoryProof = new LFSCTheoryProof();
}
std::string ProofManager::printInputClauseName(ClauseId id) {return append("pb", id); }
std::string ProofManager::printLemmaClauseName(ClauseId id) { return append("lem", id); }
std::string ProofManager::printLearntClauseName(ClauseId id) { return append("cl", id); }
std::string ProofManager::printVarName(prop::SatVariable var) { return append("v", var); }
std::string ProofManager::printAtomName(prop::SatVariable var) { return append("a", var); }
std::string ProofManager::printLitName(prop::SatLiteral lit) {return append("l", lit.toInt()); }
LFSCProof::LFSCProof(LFSCSatProof* sat, LFSCCnfProof* cnf, LFSCTheoryProof* theory)
: d_satProof(sat)
, d_cnfProof(cnf)
, d_theoryProof(theory)
{
// link the proofs
d_satProof->setCnfProof(d_cnfProof);
d_cnfProof->setTheoryProof(d_theoryProof);
// build the resolution proof out of the traces
// this sets up the other proofs with the necessary information
d_satProof->constructProof();
}
void LFSCProof::toStream(std::ostream& out) {
std::ostringstream paren;
out << "(check \n";
d_theoryProof->printDeclarations(out, paren);
d_theoryProof->printAssertions(out, paren);
out << "(: (holds cln) \n";
d_cnfProof->printAtomMapping(out, paren);
d_cnfProof->printClauses(out, paren);
d_satProof->printResolutions(out, paren);
paren <<")))\n;;";
out << paren.str();
}
// void ProofManager::declareAtom(Expr atom, SatLiteral lit) {
// ::Minisat::Lit mlit = toMinisatLit(lit);
// d_satProof->addLiteral(mlit);
// d_cnfProof->declareAtom(atom, mlit);
// }
// void ProofManager::addInputClause(SatClause clause) {
// d_satProof->registerClause(clause, true);
// d_cnfProof->registerClause(clause, true);
// }
} /* CVC4 namespace */
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