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/******************************************************************************
* Top contributors (to current version):
* Morgan Deters, Andrew Reynolds, Clark Barrett
*
* 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.
* ****************************************************************************
*
* Representation of unsat cores.
*/
#include "proof/unsat_core.h"
#include "base/check.h"
#include "expr/expr_iomanip.h"
#include "options/base_options.h"
#include "printer/printer.h"
#include "smt/solver_engine_scope.h"
namespace cvc5 {
UnsatCore::UnsatCore(const std::vector<Node>& core)
: d_useNames(false), d_core(core), d_names()
{
Debug("core") << "UnsatCore size " << d_core.size() << std::endl;
}
UnsatCore::UnsatCore(std::vector<std::string>& names)
: d_useNames(true), d_core(), d_names(names)
{
Debug("core") << "UnsatCore (names) size " << d_names.size() << std::endl;
}
const std::vector<Node>& UnsatCore::getCore() const { return d_core; }
const std::vector<std::string>& UnsatCore::getCoreNames() const
{
return d_names;
}
UnsatCore::const_iterator UnsatCore::begin() const {
return d_core.begin();
}
UnsatCore::const_iterator UnsatCore::end() const {
return d_core.end();
}
void UnsatCore::toStream(std::ostream& out) const {
expr::ExprDag::Scope scope(out, false);
Printer::getPrinter(options::outputLanguage())->toStream(out, *this);
}
std::ostream& operator<<(std::ostream& out, const UnsatCore& core) {
core.toStream(out);
return out;
}
} // namespace cvc5
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