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diff --git a/src/preprocessing/passes/bv_abstraction.h b/src/preprocessing/passes/bv_abstraction.h new file mode 100644 index 000000000..67e2ef296 --- /dev/null +++ b/src/preprocessing/passes/bv_abstraction.h @@ -0,0 +1,50 @@ +/********************* */ +/*! \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 */ |