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/******************************************************************************
* Top contributors (to current version):
* Aina Niemetz, Mathias Preiner
*
* 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.
* ****************************************************************************
*
* ITE simplification preprocessing pass.
*/
#include "cvc5_private.h"
#ifndef CVC5__PREPROCESSING__PASSES__ITE_SIMP_H
#define CVC5__PREPROCESSING__PASSES__ITE_SIMP_H
#include "preprocessing/preprocessing_pass.h"
#include "preprocessing/util/ite_utilities.h"
#include "util/statistics_stats.h"
namespace cvc5 {
namespace preprocessing {
namespace passes {
class ITESimp : public PreprocessingPass
{
public:
ITESimp(PreprocessingPassContext* preprocContext);
protected:
PreprocessingPassResult applyInternal(
AssertionPipeline* assertionsToPreprocess) override;
private:
struct Statistics
{
IntStat d_arithSubstitutionsAdded;
Statistics();
};
Node simpITE(util::ITEUtilities* ite_utils, TNode assertion);
bool doneSimpITE(AssertionPipeline *assertionsToPreprocesss);
/** A collection of ite preprocessing passes. */
util::ITEUtilities d_iteUtilities;
Statistics d_statistics;
};
} // namespace passes
} // namespace preprocessing
} // namespace cvc5
#endif
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