solidity/libsolidity/formal/ModelChecker.cpp
2020-12-10 16:47:47 +01:00

76 lines
2.2 KiB
C++

/*
This file is part of solidity.
solidity is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
solidity is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with solidity. If not, see <http://www.gnu.org/licenses/>.
*/
// SPDX-License-Identifier: GPL-3.0
#include <libsolidity/formal/ModelChecker.h>
#ifdef HAVE_Z3
#include <libsmtutil/Z3Interface.h>
#endif
using namespace std;
using namespace solidity;
using namespace solidity::util;
using namespace solidity::langutil;
using namespace solidity::frontend;
ModelChecker::ModelChecker(
ErrorReporter& _errorReporter,
map<h256, string> const& _smtlib2Responses,
ModelCheckerSettings _settings,
ReadCallback::Callback const& _smtCallback,
smtutil::SMTSolverChoice _enabledSolvers
):
m_settings(_settings),
m_context(),
m_bmc(m_context, _errorReporter, _smtlib2Responses, _smtCallback, _enabledSolvers, _settings.timeout),
m_chc(m_context, _errorReporter, _smtlib2Responses, _smtCallback, _enabledSolvers, _settings.timeout)
{
}
void ModelChecker::analyze(SourceUnit const& _source)
{
if (!_source.annotation().experimentalFeatures.count(ExperimentalFeature::SMTChecker))
return;
if (m_settings.engine.chc)
m_chc.analyze(_source);
auto solvedTargets = m_chc.safeTargets();
for (auto const& target: m_chc.unsafeTargets())
solvedTargets[target.first] += target.second;
if (m_settings.engine.bmc)
m_bmc.analyze(_source, solvedTargets);
}
vector<string> ModelChecker::unhandledQueries()
{
return m_bmc.unhandledQueries() + m_chc.unhandledQueries();
}
solidity::smtutil::SMTSolverChoice ModelChecker::availableSolvers()
{
smtutil::SMTSolverChoice available = smtutil::SMTSolverChoice::None();
#ifdef HAVE_Z3
available.z3 = solidity::smtutil::Z3Interface::available();
#endif
#ifdef HAVE_CVC4
available.cvc4 = true;
#endif
return available;
}