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Diffstat (limited to 'src/preprocessing/passes/miplib_trick.h')
-rw-r--r-- | src/preprocessing/passes/miplib_trick.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/src/preprocessing/passes/miplib_trick.h b/src/preprocessing/passes/miplib_trick.h new file mode 100644 index 000000000..7e75372a8 --- /dev/null +++ b/src/preprocessing/passes/miplib_trick.h @@ -0,0 +1,62 @@ +/********************* */ +/*! \file miplib_trick.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 MIPLIB trick preprocessing pass + ** + **/ + +#include "cvc4_private.h" + +#ifndef __CVC4__PREPROCESSING__PASSES__MIPLIB_TRICK_H +#define __CVC4__PREPROCESSING__PASSES__MIPLIB_TRICK_H + +#include "preprocessing/preprocessing_pass.h" +#include "preprocessing/preprocessing_pass_context.h" + +namespace CVC4 { +namespace preprocessing { +namespace passes { + +class MipLibTrick : public PreprocessingPass, public NodeManagerListener +{ + public: + MipLibTrick(PreprocessingPassContext* preprocContext); + ~MipLibTrick(); + + // NodeManagerListener callbacks to collect d_boolVars. + void nmNotifyNewVar(TNode n, uint32_t flags) override; + void nmNotifyNewSkolem(TNode n, + const std::string& comment, + uint32_t flags) override; + + protected: + PreprocessingPassResult applyInternal( + AssertionPipeline* assertionsToPreprocess) override; + + private: + struct Statistics + { + /** number of assertions removed by miplib pass */ + IntStat d_numMiplibAssertionsRemoved; + Statistics(); + ~Statistics(); + }; + + Statistics d_statistics; + + std::vector<Node> d_boolVars; +}; + +} // namespace passes +} // namespace preprocessing +} // namespace CVC4 + +#endif /* __CVC4__PREPROCESSING__PASSES__MIPLIB_TRICK_H */ |