solidity/libsolidity/formal/ModelChecker.h
2019-12-09 15:32:08 +01:00

78 lines
2.1 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/>.
*/
/**
* Entry point to the model checking engines.
* The goal of this class is to make different
* engines share knowledge to boost their proving power.
*/
#pragma once
#include <libsolidity/formal/BMC.h>
#include <libsolidity/formal/CHC.h>
#include <libsolidity/formal/EncodingContext.h>
#include <libsolidity/formal/SolverInterface.h>
#include <libsolidity/interface/ReadFile.h>
#include <liblangutil/ErrorReporter.h>
namespace langutil
{
class ErrorReporter;
struct SourceLocation;
}
namespace dev
{
namespace solidity
{
class ModelChecker
{
public:
/// @param _enabledSolvers represents a runtime choice of which SMT solvers
/// should be used, even if all are available. The default choice is to use all.
ModelChecker(
langutil::ErrorReporter& _errorReporter,
std::map<h256, std::string> const& _smtlib2Responses,
smt::SMTSolverChoice _enabledSolvers = smt::SMTSolverChoice::All()
);
void analyze(SourceUnit const& _sources);
/// This is used if the SMT solver is not directly linked into this binary.
/// @returns a list of inputs to the SMT solver that were not part of the argument to
/// the constructor.
std::vector<std::string> unhandledQueries();
/// @returns SMT solvers that are available via the C++ API.
static smt::SMTSolverChoice availableSolvers();
private:
/// Bounded Model Checker engine.
BMC m_bmc;
/// Constrained Horn Clauses engine.
CHC m_chc;
/// Stores the context of the encoding.
smt::EncodingContext m_context;
};
}
}