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/********************* */
/*! \file bv_abstraction.h
** \verbatim
** Top contributors (to current version):
** Mathias Preiner
** This file is part of the CVC4 project.
** Copyright (c) 2009-2018 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 The BvAbstraction preprocessing pass
**
** Abstract common structures over small domains to UF. This preprocessing
** is particularly useful on QF_BV/mcm benchmarks and can be enabled via
** option `--bv-abstraction`.
** For more information see 3.4 Refactoring Isomorphic Circuits in [1].
**
** [1] Liana Hadarean, An Efficient and Trustworthy Theory Solver for
** Bit-vectors in Satisfiability Modulo Theories
** https://cs.nyu.edu/media/publications/hadarean_liana.pdf
**/
#include "cvc4_private.h"
#ifndef __CVC4__PREPROCESSING__PASSES__BV_ABSTRACTION_H
#define __CVC4__PREPROCESSING__PASSES__BV_ABSTRACTION_H
#include "preprocessing/preprocessing_pass.h"
#include "preprocessing/preprocessing_pass_context.h"
namespace CVC4 {
namespace preprocessing {
namespace passes {
class BvAbstraction : public PreprocessingPass
{
public:
BvAbstraction(PreprocessingPassContext* preprocContext);
protected:
PreprocessingPassResult applyInternal(
AssertionPipeline* assertionsToPreprocess) override;
};
} // namespace passes
} // namespace preprocessing
} // namespace CVC4
#endif /* __CVC4__PREPROCESSING__PASSES__BV_ABSTRACTION_H */
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