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/****************************************************************************** |
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* Top contributors (to current version): |
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* Andrew Reynolds |
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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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* Management of a care graph based approach for theory combination. |
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*/ |
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#include "theory/combination_engine.h" |
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#include "expr/node_visitor.h" |
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#include "proof/eager_proof_generator.h" |
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#include "theory/care_graph.h" |
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#include "theory/ee_manager_central.h" |
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#include "theory/ee_manager_distributed.h" |
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#include "theory/model_manager.h" |
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#include "theory/model_manager_distributed.h" |
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#include "theory/shared_solver_distributed.h" |
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#include "theory/theory_engine.h" |
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namespace cvc5 { |
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namespace theory { |
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CombinationEngine::CombinationEngine(TheoryEngine& te, |
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Env& env, |
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const std::vector<Theory*>& paraTheories, |
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ProofNodeManager* pnm) |
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: d_te(te), |
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d_env(env), |
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d_valuation(&te), |
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d_pnm(pnm), |
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d_logicInfo(te.getLogicInfo()), |
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d_paraTheories(paraTheories), |
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d_eemanager(nullptr), |
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d_mmanager(nullptr), |
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d_sharedSolver(nullptr), |
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d_cmbsPg(pnm ? new EagerProofGenerator(pnm, te.getUserContext()) |
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: nullptr) |
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{ |
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// create the equality engine, model manager, and shared solver |
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if (options::eeMode() == options::EqEngineMode::DISTRIBUTED) |
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{ |
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// use the distributed shared solver |
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d_sharedSolver.reset(new SharedSolverDistributed(d_te, d_pnm)); |
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// make the distributed equality engine manager |
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d_eemanager.reset( |
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new EqEngineManagerDistributed(d_te, *d_sharedSolver.get())); |
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// make the distributed model manager |
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d_mmanager.reset( |
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new ModelManagerDistributed(d_te, d_env, *d_eemanager.get())); |
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} |
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else if (options::eeMode() == options::EqEngineMode::CENTRAL) |
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{ |
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// for now, the shared solver is the same in both approaches; use the |
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// distributed one for now |
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d_sharedSolver.reset(new SharedSolverDistributed(d_te, d_pnm)); |
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// make the central equality engine manager |
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d_eemanager.reset( |
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new EqEngineManagerCentral(d_te, *d_sharedSolver.get(), d_pnm)); |
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// make the distributed model manager |
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d_mmanager.reset( |
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new ModelManagerDistributed(d_te, d_env, *d_eemanager.get())); |
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} |
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else |
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{ |
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Unhandled() << "CombinationEngine::finishInit: equality engine mode " |
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<< options::eeMode() << " not supported"; |
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} |
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} |
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CombinationEngine::~CombinationEngine() {} |
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void CombinationEngine::finishInit() |
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{ |
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Assert(d_eemanager != nullptr); |
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// initialize equality engines in all theories, including quantifiers engine |
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// and the (provided) shared solver |
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d_eemanager->initializeTheories(); |
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Assert(d_mmanager != nullptr); |
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// initialize the model manager, based on the notify object of this class |
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eq::EqualityEngineNotify* meen = getModelEqualityEngineNotify(); |
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d_mmanager->finishInit(meen); |
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} |
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const EeTheoryInfo* CombinationEngine::getEeTheoryInfo(TheoryId tid) const |
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{ |
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return d_eemanager->getEeTheoryInfo(tid); |
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} |
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void CombinationEngine::resetModel() { d_mmanager->resetModel(); } |
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void CombinationEngine::postProcessModel(bool incomplete) |
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{ |
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d_eemanager->notifyModel(incomplete); |
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// postprocess with the model |
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d_mmanager->postProcessModel(incomplete); |
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} |
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theory::TheoryModel* CombinationEngine::getModel() |
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{ |
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return d_mmanager->getModel(); |
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} |
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SharedSolver* CombinationEngine::getSharedSolver() |
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{ |
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return d_sharedSolver.get(); |
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} |
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bool CombinationEngine::isProofEnabled() const { return d_cmbsPg != nullptr; } |
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eq::EqualityEngineNotify* CombinationEngine::getModelEqualityEngineNotify() |
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{ |
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// by default, no notifications from model's equality engine |
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return nullptr; |
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} |
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void CombinationEngine::resetRound() |
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{ |
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// compute the relevant terms? |
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} |
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} // namespace theory |
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} // namespace cvc5 |