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/******************************************************************************
* Top contributors (to current version):
* 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.
* ****************************************************************************
*
* Implementation of bit-vectors proof checker.
*/
#include "theory/bv/proof_checker.h"
namespace cvc5 {
namespace theory {
namespace bv {
void BVProofRuleChecker::registerTo(ProofChecker* pc)
{
pc->registerChecker(PfRule::BV_BITBLAST, this);
pc->registerChecker(PfRule::BV_BITBLAST_CONST, this);
pc->registerChecker(PfRule::BV_BITBLAST_VAR, this);
pc->registerChecker(PfRule::BV_BITBLAST_EQUAL, this);
pc->registerChecker(PfRule::BV_BITBLAST_ULT, this);
pc->registerChecker(PfRule::BV_BITBLAST_ULE, this);
pc->registerChecker(PfRule::BV_BITBLAST_UGT, this);
pc->registerChecker(PfRule::BV_BITBLAST_UGE, this);
pc->registerChecker(PfRule::BV_BITBLAST_SLT, this);
pc->registerChecker(PfRule::BV_BITBLAST_SLE, this);
pc->registerChecker(PfRule::BV_BITBLAST_SGT, this);
pc->registerChecker(PfRule::BV_BITBLAST_SGE, this);
pc->registerChecker(PfRule::BV_BITBLAST_NOT, this);
pc->registerChecker(PfRule::BV_BITBLAST_CONCAT, this);
pc->registerChecker(PfRule::BV_BITBLAST_AND, this);
pc->registerChecker(PfRule::BV_BITBLAST_OR, this);
pc->registerChecker(PfRule::BV_BITBLAST_XOR, this);
pc->registerChecker(PfRule::BV_BITBLAST_XNOR, this);
pc->registerChecker(PfRule::BV_BITBLAST_NAND, this);
pc->registerChecker(PfRule::BV_BITBLAST_NOR, this);
pc->registerChecker(PfRule::BV_BITBLAST_COMP, this);
pc->registerChecker(PfRule::BV_BITBLAST_MULT, this);
pc->registerChecker(PfRule::BV_BITBLAST_ADD, this);
pc->registerChecker(PfRule::BV_BITBLAST_SUB, this);
pc->registerChecker(PfRule::BV_BITBLAST_NEG, this);
pc->registerChecker(PfRule::BV_BITBLAST_UDIV, this);
pc->registerChecker(PfRule::BV_BITBLAST_UREM, this);
pc->registerChecker(PfRule::BV_BITBLAST_SDIV, this);
pc->registerChecker(PfRule::BV_BITBLAST_SREM, this);
pc->registerChecker(PfRule::BV_BITBLAST_SMOD, this);
pc->registerChecker(PfRule::BV_BITBLAST_SHL, this);
pc->registerChecker(PfRule::BV_BITBLAST_LSHR, this);
pc->registerChecker(PfRule::BV_BITBLAST_ASHR, this);
pc->registerChecker(PfRule::BV_BITBLAST_ULTBV, this);
pc->registerChecker(PfRule::BV_BITBLAST_SLTBV, this);
pc->registerChecker(PfRule::BV_BITBLAST_ITE, this);
pc->registerChecker(PfRule::BV_BITBLAST_EXTRACT, this);
pc->registerChecker(PfRule::BV_BITBLAST_REPEAT, this);
pc->registerChecker(PfRule::BV_BITBLAST_ZERO_EXTEND, this);
pc->registerChecker(PfRule::BV_BITBLAST_SIGN_EXTEND, this);
pc->registerChecker(PfRule::BV_BITBLAST_ROTATE_RIGHT, this);
pc->registerChecker(PfRule::BV_BITBLAST_ROTATE_LEFT, this);
pc->registerChecker(PfRule::BV_EAGER_ATOM, this);
}
Node BVProofRuleChecker::checkInternal(PfRule id,
const std::vector<Node>& children,
const std::vector<Node>& args)
{
if (id == PfRule::BV_BITBLAST)
{
Assert(children.empty());
Assert(args.size() == 1);
Assert(args[0].getKind() == kind::EQUAL);
return args[0];
}
else if (id == PfRule::BV_BITBLAST_CONST || id == PfRule::BV_BITBLAST_VAR
|| id == PfRule::BV_BITBLAST_EQUAL || id == PfRule::BV_BITBLAST_ULT
|| id == PfRule::BV_BITBLAST_ULE || id == PfRule::BV_BITBLAST_UGT
|| id == PfRule::BV_BITBLAST_UGE || id == PfRule::BV_BITBLAST_SLT
|| id == PfRule::BV_BITBLAST_SLE || id == PfRule::BV_BITBLAST_SGT
|| id == PfRule::BV_BITBLAST_SGE || id == PfRule::BV_BITBLAST_NOT
|| id == PfRule::BV_BITBLAST_CONCAT || id == PfRule::BV_BITBLAST_AND
|| id == PfRule::BV_BITBLAST_OR || id == PfRule::BV_BITBLAST_XOR
|| id == PfRule::BV_BITBLAST_XNOR || id == PfRule::BV_BITBLAST_NAND
|| id == PfRule::BV_BITBLAST_NOR || id == PfRule::BV_BITBLAST_COMP
|| id == PfRule::BV_BITBLAST_MULT || id == PfRule::BV_BITBLAST_ADD
|| id == PfRule::BV_BITBLAST_SUB || id == PfRule::BV_BITBLAST_NEG
|| id == PfRule::BV_BITBLAST_UDIV || id == PfRule::BV_BITBLAST_UREM
|| id == PfRule::BV_BITBLAST_SDIV || id == PfRule::BV_BITBLAST_SREM
|| id == PfRule::BV_BITBLAST_SMOD || id == PfRule::BV_BITBLAST_SHL
|| id == PfRule::BV_BITBLAST_LSHR || id == PfRule::BV_BITBLAST_ASHR
|| id == PfRule::BV_BITBLAST_ULTBV || id == PfRule::BV_BITBLAST_SLTBV
|| id == PfRule::BV_BITBLAST_ITE || id == PfRule::BV_BITBLAST_EXTRACT
|| id == PfRule::BV_BITBLAST_REPEAT
|| id == PfRule::BV_BITBLAST_ZERO_EXTEND
|| id == PfRule::BV_BITBLAST_SIGN_EXTEND
|| id == PfRule::BV_BITBLAST_ROTATE_RIGHT
|| id == PfRule::BV_BITBLAST_ROTATE_LEFT)
{
return args[0];
}
else if (id == PfRule::BV_EAGER_ATOM)
{
Assert(children.empty());
Assert(args.size() == 1);
Assert(args[0].getKind() == kind::BITVECTOR_EAGER_ATOM);
return args[0].eqNode(args[0][0]);
}
// no rule
return Node::null();
}
} // namespace bv
} // namespace theory
} // namespace cvc5
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