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/******************************************************************************
* Top contributors (to current version):
* Andrew Reynolds, Mathias Preiner, Morgan Deters
*
* This file is part of the cvc5 project.
*
* Copyright (c) 2009-2021 by the authors listed in the file AUTHORS
* in the top-level source directory and their institutional affiliations.
* All rights reserved. See the file COPYING in the top-level source
* directory for licensing information.
* ****************************************************************************
*
* Model Engine class.
*/
#include "cvc5_private.h"
#ifndef CVC5__THEORY__QUANTIFIERS__MODEL_ENGINE_H
#define CVC5__THEORY__QUANTIFIERS__MODEL_ENGINE_H
#include "theory/quantifiers/fmf/model_builder.h"
#include "theory/quantifiers/quant_module.h"
#include "theory/theory_model.h"
namespace cvc5 {
namespace theory {
namespace quantifiers {
class ModelEngine : public QuantifiersModule
{
friend class RepSetIterator;
private:
//check model
int checkModel();
//exhaustively instantiate quantifier (possibly using mbqi)
void exhaustiveInstantiate( Node f, int effort = 0 );
private:
//temporary statistics
//is the exhaustive instantiation incomplete?
bool d_incomplete_check;
// set of quantified formulas for which check was incomplete
std::vector< Node > d_incomplete_quants;
int d_addedLemmas;
int d_triedLemmas;
int d_totalLemmas;
public:
ModelEngine(QuantifiersState& qs,
QuantifiersInferenceManager& qim,
QuantifiersRegistry& qr,
TermRegistry& tr,
QModelBuilder* builder);
virtual ~ModelEngine();
public:
bool needsCheck(Theory::Effort e) override;
QEffort needsModel(Theory::Effort e) override;
void reset_round(Theory::Effort e) override;
void check(Theory::Effort e, QEffort quant_e) override;
bool checkComplete(IncompleteId& incId) override;
bool checkCompleteFor(Node q) override;
void registerQuantifier(Node f) override;
void assertNode(Node f) override;
Node explain(TNode n) { return Node::null(); }
void debugPrint(const char* c);
/** Identify this module */
std::string identify() const override { return "ModelEngine"; }
private:
/** Pointer to the model builder of quantifiers engine */
QModelBuilder* d_builder;
};/* class ModelEngine */
} // namespace quantifiers
} // namespace theory
} // namespace cvc5
#endif /* CVC5__THEORY__QUANTIFIERS__MODEL_ENGINE_H */
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