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/****************************************************************************** |
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* Top contributors (to current version): |
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* Andrew Reynolds, Gereon Kremer, Tim King |
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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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* Common data shared by multiple checks. |
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*/ |
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#include "theory/arith/nl/ext/ext_state.h" |
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#include <vector> |
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#include "expr/node.h" |
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#include "proof/proof.h" |
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#include "theory/arith/inference_manager.h" |
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#include "theory/arith/nl/ext/monomial.h" |
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#include "theory/arith/nl/nl_lemma_utils.h" |
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#include "theory/arith/nl/nl_model.h" |
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#include "util/rational.h" |
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namespace cvc5 { |
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namespace theory { |
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namespace arith { |
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namespace nl { |
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ExtState::ExtState(InferenceManager& im, NlModel& model, Env& env) |
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: d_im(im), d_model(model), d_env(env) |
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{ |
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d_false = NodeManager::currentNM()->mkConst(false); |
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d_true = NodeManager::currentNM()->mkConst(true); |
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d_zero = NodeManager::currentNM()->mkConst(Rational(0)); |
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d_one = NodeManager::currentNM()->mkConst(Rational(1)); |
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d_neg_one = NodeManager::currentNM()->mkConst(Rational(-1)); |
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if (d_env.isTheoryProofProducing()) |
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{ |
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d_proof.reset(new CDProofSet<CDProof>( |
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d_env.getProofNodeManager(), d_env.getUserContext(), "nl-ext")); |
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} |
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} |
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void ExtState::init(const std::vector<Node>& xts) |
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{ |
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d_ms_vars.clear(); |
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d_ms.clear(); |
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d_mterms.clear(); |
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d_tplane_refine.clear(); |
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Trace("nl-ext-mv") << "Extended terms : " << std::endl; |
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// for computing congruence |
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std::map<Kind, ArgTrie> argTrie; |
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for (unsigned i = 0, xsize = xts.size(); i < xsize; i++) |
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{ |
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Node a = xts[i]; |
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d_model.computeConcreteModelValue(a); |
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d_model.computeAbstractModelValue(a); |
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d_model.printModelValue("nl-ext-mv", a); |
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Kind ak = a.getKind(); |
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if (ak == Kind::NONLINEAR_MULT) |
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{ |
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d_ms.push_back(a); |
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// context-independent registration |
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d_mdb.registerMonomial(a); |
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const std::vector<Node>& varList = d_mdb.getVariableList(a); |
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for (const Node& v : varList) |
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{ |
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if (std::find(d_ms_vars.begin(), d_ms_vars.end(), v) == d_ms_vars.end()) |
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{ |
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d_ms_vars.push_back(v); |
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} |
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} |
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// mark processed if has a "one" factor (will look at reduced monomial)? |
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} |
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} |
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// register constants |
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d_mdb.registerMonomial(d_one); |
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// register variables |
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Trace("nl-ext-mv") << "Variables in monomials : " << std::endl; |
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for (unsigned i = 0; i < d_ms_vars.size(); i++) |
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{ |
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Node v = d_ms_vars[i]; |
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d_mdb.registerMonomial(v); |
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d_model.computeConcreteModelValue(v); |
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d_model.computeAbstractModelValue(v); |
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d_model.printModelValue("nl-ext-mv", v); |
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} |
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Trace("nl-ext") << "We have " << d_ms.size() << " monomials." << std::endl; |
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} |
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bool ExtState::isProofEnabled() const { return d_proof.get() != nullptr; } |
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CDProof* ExtState::getProof() |
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{ |
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Assert(isProofEnabled()); |
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return d_proof->allocateProof(d_env.getUserContext()); |
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} |
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} // namespace nl |
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} // namespace arith |
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} // namespace theory |
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} // namespace cvc5 |