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