GCC Code Coverage Report
Directory: . Exec Total Coverage
File: src/theory/engine_output_channel.cpp Lines: 67 90 74.4 %
Date: 2021-11-07 Branches: 74 228 32.5 %

Line Exec Source
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/******************************************************************************
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 * Top contributors (to current version):
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 *   Andrew Reynolds, Tim King, Morgan Deters
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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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 * The theory engine output channel.
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 */
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#include "theory/engine_output_channel.h"
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#include "expr/skolem_manager.h"
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#include "prop/prop_engine.h"
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#include "smt/smt_statistics_registry.h"
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#include "theory/theory_engine.h"
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using namespace cvc5::kind;
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namespace cvc5 {
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namespace theory {
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EngineOutputChannel::Statistics::Statistics(theory::TheoryId theory)
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    : conflicts(smtStatisticsRegistry().registerInt(getStatsPrefix(theory)
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                                                    + "conflicts")),
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      propagations(smtStatisticsRegistry().registerInt(getStatsPrefix(theory)
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                                                       + "propagations")),
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      lemmas(smtStatisticsRegistry().registerInt(getStatsPrefix(theory)
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                                                 + "lemmas")),
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      requirePhase(smtStatisticsRegistry().registerInt(getStatsPrefix(theory)
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                                                       + "requirePhase")),
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      restartDemands(smtStatisticsRegistry().registerInt(getStatsPrefix(theory)
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                                                         + "restartDemands")),
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      trustedConflicts(smtStatisticsRegistry().registerInt(
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          getStatsPrefix(theory) + "trustedConflicts")),
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      trustedLemmas(smtStatisticsRegistry().registerInt(getStatsPrefix(theory)
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                                                        + "trustedLemmas"))
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{
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}
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EngineOutputChannel::EngineOutputChannel(TheoryEngine* engine,
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                                         theory::TheoryId theory)
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    : d_engine(engine), d_statistics(theory), d_theory(theory)
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{
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}
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void EngineOutputChannel::safePoint(Resource r)
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{
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181789
  spendResource(r);
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  if (d_engine->d_interrupted)
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  {
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    throw theory::Interrupted();
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  }
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}
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void EngineOutputChannel::lemma(TNode lemma, LemmaProperty p)
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{
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  trustedLemma(TrustNode::mkTrustLemma(lemma), p);
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}
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bool EngineOutputChannel::propagate(TNode literal)
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{
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  Trace("theory::propagate") << "EngineOutputChannel<" << d_theory
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                             << ">::propagate(" << literal << ")" << std::endl;
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  ++d_statistics.propagations;
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  d_engine->d_outputChannelUsed = true;
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  return d_engine->propagate(literal, d_theory);
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}
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void EngineOutputChannel::conflict(TNode conflictNode)
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{
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  Trace("theory::conflict")
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      << "EngineOutputChannel<" << d_theory << ">::conflict(" << conflictNode
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      << ")" << std::endl;
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  ++d_statistics.conflicts;
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  d_engine->d_outputChannelUsed = true;
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  TrustNode tConf = TrustNode::mkTrustConflict(conflictNode);
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  d_engine->conflict(tConf, d_theory);
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}
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void EngineOutputChannel::demandRestart()
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{
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  NodeManager* nm = NodeManager::currentNM();
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  SkolemManager* sm = nm->getSkolemManager();
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  Node restartVar = sm->mkDummySkolem(
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      "restartVar",
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      nm->booleanType(),
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      "A boolean variable asserted to be true to force a restart");
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  Trace("theory::restart") << "EngineOutputChannel<" << d_theory
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                           << ">::restart(" << restartVar << ")" << std::endl;
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  ++d_statistics.restartDemands;
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  lemma(restartVar, LemmaProperty::REMOVABLE);
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}
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void EngineOutputChannel::requirePhase(TNode n, bool phase)
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{
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  Trace("theory") << "EngineOutputChannel::requirePhase(" << n << ", " << phase
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                  << ")" << std::endl;
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  ++d_statistics.requirePhase;
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  d_engine->getPropEngine()->requirePhase(n, phase);
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}
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void EngineOutputChannel::setIncomplete(IncompleteId id)
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{
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  Trace("theory") << "setIncomplete(" << id << ")" << std::endl;
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  d_engine->setIncomplete(d_theory, id);
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}
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void EngineOutputChannel::spendResource(Resource r)
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{
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  d_engine->spendResource(r);
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}
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void EngineOutputChannel::trustedConflict(TrustNode pconf)
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{
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  Assert(pconf.getKind() == TrustNodeKind::CONFLICT);
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  Trace("theory::conflict")
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      << "EngineOutputChannel<" << d_theory << ">::trustedConflict("
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      << pconf.getNode() << ")" << std::endl;
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  if (pconf.getGenerator() != nullptr)
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  {
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    ++d_statistics.trustedConflicts;
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  }
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  ++d_statistics.conflicts;
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  d_engine->d_outputChannelUsed = true;
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  d_engine->conflict(pconf, d_theory);
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}
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void EngineOutputChannel::trustedLemma(TrustNode plem, LemmaProperty p)
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{
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  Trace("theory::lemma") << "EngineOutputChannel<" << d_theory
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                         << ">::trustedLemma(" << plem << ")" << std::endl;
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  Assert(plem.getKind() == TrustNodeKind::LEMMA);
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  if (plem.getGenerator() != nullptr)
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  {
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    ++d_statistics.trustedLemmas;
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  }
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  ++d_statistics.lemmas;
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  d_engine->d_outputChannelUsed = true;
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  if (isLemmaPropertySendAtoms(p))
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  {
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    d_engine->ensureLemmaAtoms(plem.getNode(), d_theory);
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  }
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  // now, call the normal interface for lemma
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  d_engine->lemma(plem,
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                  p,
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                  d_theory);
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}
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}  // namespace theory
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}  // namespace cvc5