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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.
* ****************************************************************************
*
* A bit-blaster wrapper around NodeBitblaster for proof logging.
*/
#include "cvc5_private.h"
#ifndef CVC5__THEORY__BV__BITBLAST__PROOF_BITBLASTER_H
#define CVC5__THEORY__BV__BITBLAST__PROOF_BITBLASTER_H
#include "expr/term_context.h"
#include "theory/bv/bitblast/node_bitblaster.h"
namespace cvc5 {
class TConvProofGenerator;
namespace theory {
namespace bv {
class BBProof
{
using Bits = std::vector<Node>;
public:
BBProof(TheoryState* state, ProofNodeManager* pnm, bool fineGrained);
~BBProof();
/** Bit-blast atom 'node'. */
void bbAtom(TNode node);
/** Check if atom was already bit-blasted. */
bool hasBBAtom(TNode atom) const;
/** Check if term was already bit-blasted. */
bool hasBBTerm(TNode node) const;
/** Get bit-blasted node stored for atom. */
Node getStoredBBAtom(TNode node);
/** Collect model values for all relevant terms given in 'relevantTerms'. */
bool collectModelValues(TheoryModel* m, const std::set<Node>& relevantTerms);
TConvProofGenerator* getProofGenerator();
private:
/** Return true if proofs are enabled. */
bool isProofsEnabled() const;
/** The associated simple bit-blaster. */
std::unique_ptr<NodeBitblaster> d_bb;
/** The associated proof node manager. */
ProofNodeManager* d_pnm;
/** Term context for d_tcpg to not rewrite below BV leafs. */
std::unique_ptr<TermContext> d_tcontext;
/** The associated term conversion proof generator. */
std::unique_ptr<TConvProofGenerator> d_tcpg;
/** Map bit-vector nodes to bit-blasted nodes. */
std::unordered_map<Node, Node> d_bbMap;
bool d_recordFineGrainedProofs;
};
} // namespace bv
} // namespace theory
} // namespace cvc5
#endif
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