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/********************* */
/*! \file model_engine.h
** \verbatim
** Top contributors (to current version):
** Morgan Deters, Andrew Reynolds, Tim King
** This file is part of the CVC4 project.
** Copyright (c) 2009-2016 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.\endverbatim
**
** \brief Model Engine class
**/
#include "cvc4_private.h"
#ifndef __CVC4__THEORY__QUANTIFIERS__MODEL_ENGINE_H
#define __CVC4__THEORY__QUANTIFIERS__MODEL_ENGINE_H
#include "theory/quantifiers_engine.h"
#include "theory/quantifiers/model_builder.h"
#include "theory/theory_model.h"
namespace CVC4 {
namespace theory {
namespace quantifiers {
class ModelEngine : public QuantifiersModule
{
friend class RepSetIterator;
private:
//options
bool optOneQuantPerRound();
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( context::Context* c, QuantifiersEngine* qe );
virtual ~ModelEngine();
public:
bool needsCheck( Theory::Effort e );
unsigned needsModel( Theory::Effort e );
void reset_round( Theory::Effort e );
void check( Theory::Effort e, unsigned quant_e );
bool checkComplete();
bool checkCompleteFor( Node q );
void registerQuantifier( Node f );
void assertNode( Node f );
Node explain(TNode n){ return Node::null(); }
void debugPrint( const char* c );
/** Identify this module */
std::string identify() const { return "ModelEngine"; }
};/* class ModelEngine */
}/* CVC4::theory::quantifiers namespace */
}/* CVC4::theory namespace */
}/* CVC4 namespace */
#endif /* __CVC4__THEORY__QUANTIFIERS__MODEL_ENGINE_H */
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