Quantifiers subdirectories (#1608)

1 files changed, 70 insertions, 0 deletions

diff --git a/src/theory/quantifiers/fmf/model_engine.h b/src/theory/quantifiers/fmf/model_engine.h
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+++ b/src/theory/quantifiers/fmf/model_engine.h
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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) 2009-2017 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/fmf/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 );
+  QEffort needsModel(Theory::Effort e);
+  void reset_round( Theory::Effort e );
+  void check(Theory::Effort e, QEffort 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 */