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/****************************************************************************** |
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* Top contributors (to current version): |
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* Andrew Reynolds, Gereon Kremer, Aina Niemetz |
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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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* Smt Environment, main access to global utilities available to |
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* internal code. |
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*/ |
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#include "smt/env.h" |
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#include "context/context.h" |
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#include "expr/node.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 "options/strings_options.h" |
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#include "printer/printer.h" |
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#include "proof/conv_proof_generator.h" |
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#include "smt/solver_engine_stats.h" |
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#include "theory/evaluator.h" |
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#include "theory/rewriter.h" |
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#include "theory/trust_substitutions.h" |
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#include "util/resource_manager.h" |
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#include "util/statistics_registry.h" |
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using namespace cvc5::smt; |
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namespace cvc5 { |
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Env::Env(NodeManager* nm, const Options* opts) |
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: d_context(new context::Context()), |
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d_userContext(new context::UserContext()), |
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d_nodeManager(nm), |
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d_proofNodeManager(nullptr), |
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d_rewriter(new theory::Rewriter()), |
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d_evalRew(nullptr), |
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d_eval(nullptr), |
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d_topLevelSubs(new theory::TrustSubstitutionMap(d_userContext.get())), |
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d_logic(), |
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d_statisticsRegistry(std::make_unique<StatisticsRegistry>(*this)), |
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d_options(), |
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d_originalOptions(opts), |
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d_resourceManager() |
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{ |
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if (opts != nullptr) |
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{ |
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d_options.copyValues(*opts); |
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} |
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// make the evaluators, which depend on the alphabet of strings |
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d_evalRew.reset(new theory::Evaluator(d_rewriter.get(), |
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d_options.strings.stringsAlphaCard)); |
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d_eval.reset( |
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new theory::Evaluator(nullptr, d_options.strings.stringsAlphaCard)); |
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d_statisticsRegistry->registerTimer("global::totalTime").start(); |
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d_resourceManager = std::make_unique<ResourceManager>(*d_statisticsRegistry, d_options); |
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d_rewriter->d_resourceManager = d_resourceManager.get(); |
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} |
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Env::~Env() {} |
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void Env::setProofNodeManager(ProofNodeManager* pnm) |
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{ |
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Assert(pnm != nullptr); |
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Assert(d_proofNodeManager == nullptr); |
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d_proofNodeManager = pnm; |
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d_rewriter->setProofNodeManager(pnm); |
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d_topLevelSubs->setProofNodeManager(pnm); |
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} |
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void Env::shutdown() |
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{ |
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d_rewriter.reset(nullptr); |
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// d_resourceManager must be destroyed before d_statisticsRegistry |
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d_resourceManager.reset(nullptr); |
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} |
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context::Context* Env::getContext() { return d_context.get(); } |
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context::UserContext* Env::getUserContext() { return d_userContext.get(); } |
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NodeManager* Env::getNodeManager() const { return d_nodeManager; } |
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ProofNodeManager* Env::getProofNodeManager() { return d_proofNodeManager; } |
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bool Env::isSatProofProducing() const |
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{ |
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return d_proofNodeManager != nullptr |
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&& (!d_options.smt.unsatCores |
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|| (d_options.smt.unsatCoresMode |
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!= options::UnsatCoresMode::ASSUMPTIONS |
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&& d_options.smt.unsatCoresMode |
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!= options::UnsatCoresMode::PP_ONLY)); |
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} |
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bool Env::isTheoryProofProducing() const |
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{ |
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return d_proofNodeManager != nullptr |
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&& (!d_options.smt.unsatCores |
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|| d_options.smt.unsatCoresMode |
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== options::UnsatCoresMode::FULL_PROOF); |
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} |
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theory::Rewriter* Env::getRewriter() { return d_rewriter.get(); } |
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theory::Evaluator* Env::getEvaluator(bool useRewriter) |
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{ |
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return useRewriter ? d_evalRew.get() : d_eval.get(); |
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} |
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theory::TrustSubstitutionMap& Env::getTopLevelSubstitutions() |
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{ |
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return *d_topLevelSubs.get(); |
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} |
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const LogicInfo& Env::getLogicInfo() const { return d_logic; } |
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StatisticsRegistry& Env::getStatisticsRegistry() |
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{ |
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return *d_statisticsRegistry; |
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} |
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const Options& Env::getOptions() const { return d_options; } |
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const Options& Env::getOriginalOptions() const { return *d_originalOptions; } |
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ResourceManager* Env::getResourceManager() const |
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{ |
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return d_resourceManager.get(); |
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} |
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const Printer& Env::getPrinter() |
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{ |
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return *Printer::getPrinter(d_options.base.outputLanguage); |
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} |
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bool Env::isOutputOn(OutputTag tag) const |
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{ |
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return d_options.base.outputTagHolder[static_cast<size_t>(tag)]; |
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} |
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bool Env::isOutputOn(const std::string& tag) const |
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{ |
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return isOutputOn(options::stringToOutputTag(tag)); |
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} |
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std::ostream& Env::output(const std::string& tag) const |
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{ |
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return output(options::stringToOutputTag(tag)); |
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} |
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std::ostream& Env::output(OutputTag tag) const |
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{ |
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if (isOutputOn(tag)) |
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{ |
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return *d_options.base.out; |
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} |
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return cvc5::null_os; |
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} |
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bool Env::isVerboseOn(int64_t level) const |
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{ |
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return !Configuration::isMuzzledBuild() && d_options.base.verbosity >= level; |
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} |
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std::ostream& Env::verbose(int64_t level) const |
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{ |
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if (isVerboseOn(level)) |
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{ |
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return *d_options.base.err; |
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} |
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return cvc5::null_os; |
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} |
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std::ostream& Env::warning() const |
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{ |
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return verbose(0); |
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} |
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Node Env::evaluate(TNode n, |
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const std::vector<Node>& args, |
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const std::vector<Node>& vals, |
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bool useRewriter) const |
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{ |
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std::unordered_map<Node, Node> visited; |
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return evaluate(n, args, vals, visited, useRewriter); |
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} |
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Node Env::evaluate(TNode n, |
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const std::vector<Node>& args, |
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const std::vector<Node>& vals, |
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const std::unordered_map<Node, Node>& visited, |
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bool useRewriter) const |
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{ |
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if (useRewriter) |
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{ |
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return d_evalRew->eval(n, args, vals, visited); |
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} |
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return d_eval->eval(n, args, vals, visited); |
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} |
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Node Env::rewriteViaMethod(TNode n, MethodId idr) |
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{ |
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if (idr == MethodId::RW_REWRITE) |
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{ |
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return d_rewriter->rewrite(n); |
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} |
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if (idr == MethodId::RW_EXT_REWRITE) |
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{ |
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return d_rewriter->extendedRewrite(n); |
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} |
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if (idr == MethodId::RW_REWRITE_EQ_EXT) |
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{ |
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return d_rewriter->rewriteEqualityExt(n); |
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} |
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if (idr == MethodId::RW_EVALUATE) |
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{ |
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return evaluate(n, {}, {}, false); |
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} |
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if (idr == MethodId::RW_IDENTITY) |
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{ |
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// does nothing |
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return n; |
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} |
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// unknown rewriter |
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Unhandled() << "Env::rewriteViaMethod: no rewriter for " << idr |
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<< std::endl; |
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return n; |
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} |
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bool Env::isFiniteType(TypeNode tn) const |
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{ |
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return isCardinalityClassFinite(tn.getCardinalityClass(), |
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d_options.quantifiers.finiteModelFind); |
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} |
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} // namespace cvc5 |