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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/SymbolicVariable.h>
+
+#include <libsolidity/ast/Types.h>
+
+namespace dev
+{
+namespace solidity
+{
+
+/**
+ * Specialization of SymbolicVariable for Integers
+ */
+class SymbolicIntVariable : public SymbolicVariable
+{
+public:
+ explicit SymbolicIntVariable(Declaration const* _decl,
+ smt::SolverInterface& _interface);
+ SymbolicIntVariable(SymbolicIntVariable const&) = default;
+ SymbolicIntVariable(SymbolicIntVariable&&) = default;
+ SymbolicIntVariable& operator=(SymbolicIntVariable const&) = default;
+ SymbolicIntVariable& operator=(SymbolicIntVariable&&) = default;
+
+ void setZeroValue(int _seq);
+ void setUnknownValue(int _seq);
+
+private:
+ smt::Expression minValue(IntegerType const& _t) const;
+ smt::Expression maxValue(IntegerType const& _t) const;
+};
+
+}
+}