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/********************* */
/*! \file unsat_core.cpp
** \verbatim
** Top contributors (to current version):
** Morgan Deters, Andrew Reynolds, Clark Barrett
** This file is part of the CVC4 project.
** Copyright (c) 2009-2020 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 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/smt_engine_scope.h"
namespace CVC4 {
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;
}
}/* CVC4 namespace */
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