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/*
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/>.
*/
#pragma once
#include <libsolidity/formal/SolverInterface.h>
#include <boost/noncopyable.hpp>
#include <z3++.h>
namespace dev
{
namespace solidity
{
namespace smt
{
class Z3Interface: public SolverInterface, public boost::noncopyable
{
public:
Z3Interface();
void reset() override;
void push() override;
void pop() override;
Expression newFunction(std::string _name, Sort _domain, Sort _codomain) override;
Expression newInteger(std::string _name) override;
Expression newBool(std::string _name) override;
void addAssertion(Expression const& _expr) override;
std::pair<CheckResult, std::vector<std::string>> check(std::vector<Expression> const& _expressionsToEvaluate) override;
private:
z3::expr toZ3Expr(Expression const& _expr);
z3::sort z3Sort(smt::Sort _sort);
std::string checkSatAndGetValuesCommand(std::vector<Expression> const& _expressionsToEvaluate);
std::vector<std::string> parseValues(std::string::const_iterator _start, std::string::const_iterator _end);
z3::context m_context;
z3::solver m_solver;
std::map<std::string, z3::expr> m_constants;
std::map<std::string, z3::func_decl> m_functions;
};
}
}
}
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