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/******************************************************************************
* Top contributors (to current version):
* Andrew Reynolds, Mathias Preiner
*
* This file is part of the cvc5 project.
*
* Copyright (c) 2009-2021 by the authors listed in the file AUTHORS
* in the top-level source directory and their institutional affiliations.
* All rights reserved. See the file COPYING in the top-level source
* directory for licensing information.
* ****************************************************************************
*
* Term registry class.
*/
#include "theory/quantifiers/term_registry.h"
#include "options/base_options.h"
#include "options/quantifiers_options.h"
#include "options/smt_options.h"
#include "theory/quantifiers/first_order_model.h"
#include "theory/quantifiers/fmf/first_order_model_fmc.h"
#include "theory/quantifiers/ho_term_database.h"
#include "theory/quantifiers/quantifiers_attributes.h"
#include "theory/quantifiers/quantifiers_state.h"
#include "theory/quantifiers/term_util.h"
namespace cvc5 {
namespace theory {
namespace quantifiers {
TermRegistry::TermRegistry(Env& env,
QuantifiersState& qs,
QuantifiersRegistry& qr)
: EnvObj(env),
d_presolve(qs.getUserContext(), true),
d_presolveCache(qs.getUserContext()),
d_termEnum(new TermEnumeration),
d_termPools(new TermPools(env, qs)),
d_termDb(logicInfo().isHigherOrder() ? new HoTermDb(env, qs, qr)
: new TermDb(env, qs, qr)),
d_sygusTdb(nullptr),
d_qmodel(nullptr)
{
if (options::sygus() || options::sygusInst())
{
// must be constructed here since it is required for datatypes finistInit
d_sygusTdb.reset(new TermDbSygus(env, qs));
}
Trace("quant-engine-debug") << "Initialize quantifiers engine." << std::endl;
Trace("quant-engine-debug")
<< "Initialize model, mbqi : " << options::mbqiMode() << std::endl;
}
void TermRegistry::finishInit(FirstOrderModel* fm,
QuantifiersInferenceManager* qim)
{
d_qmodel = fm;
d_termDb->finishInit(qim);
if (d_sygusTdb.get())
{
d_sygusTdb->finishInit(qim);
}
}
void TermRegistry::presolve()
{
d_presolve = false;
// add all terms to database
if (options::incrementalSolving() && !options::termDbCd())
{
Trace("quant-engine-proc")
<< "Add presolve cache " << d_presolveCache.size() << std::endl;
for (const Node& t : d_presolveCache)
{
addTerm(t);
}
Trace("quant-engine-proc") << "Done add presolve cache " << std::endl;
}
}
void TermRegistry::addTerm(Node n, bool withinQuant)
{
// don't add terms in quantifier bodies
if (withinQuant && !options::registerQuantBodyTerms())
{
return;
}
if (options::incrementalSolving() && !options::termDbCd())
{
d_presolveCache.insert(n);
}
// only wait if we are doing incremental solving
if (!d_presolve || !options::incrementalSolving() || options::termDbCd())
{
d_termDb->addTerm(n);
if (d_sygusTdb.get() && options::sygusEvalUnfold())
{
d_sygusTdb->getEvalUnfold()->registerEvalTerm(n);
}
}
}
Node TermRegistry::getTermForType(TypeNode tn)
{
if (tn.isClosedEnumerable())
{
return d_termEnum->getEnumerateTerm(tn, 0);
}
return d_termDb->getOrMakeTypeGroundTerm(tn);
}
void TermRegistry::declarePool(Node p, const std::vector<Node>& initValue)
{
d_termPools->registerPool(p, initValue);
}
void TermRegistry::processInstantiation(Node q, const std::vector<Node>& terms)
{
d_termPools->processInstantiation(q, terms);
}
void TermRegistry::processSkolemization(Node q,
const std::vector<Node>& skolems)
{
d_termPools->processSkolemization(q, skolems);
}
TermDb* TermRegistry::getTermDatabase() const { return d_termDb.get(); }
TermDbSygus* TermRegistry::getTermDatabaseSygus() const
{
return d_sygusTdb.get();
}
TermEnumeration* TermRegistry::getTermEnumeration() const
{
return d_termEnum.get();
}
TermPools* TermRegistry::getTermPools() const { return d_termPools.get(); }
FirstOrderModel* TermRegistry::getModel() const { return d_qmodel; }
} // namespace quantifiers
} // namespace theory
} // namespace cvc5
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