diff options
Diffstat (limited to 'libsolidity/formal/CVC4Interface.cpp')
-rw-r--r-- | libsolidity/formal/CVC4Interface.cpp | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/libsolidity/formal/CVC4Interface.cpp b/libsolidity/formal/CVC4Interface.cpp index 84d36de0..6cb91483 100644 --- a/libsolidity/formal/CVC4Interface.cpp +++ b/libsolidity/formal/CVC4Interface.cpp @@ -52,18 +52,23 @@ void CVC4Interface::pop() void CVC4Interface::declareFunction(string _name, Sort _domain, Sort _codomain) { - CVC4::Type fType = m_context.mkFunctionType(cvc4Sort(_domain), cvc4Sort(_codomain)); - m_functions.insert({_name, m_context.mkVar(_name.c_str(), fType)}); + if (!m_functions.count(_name)) + { + CVC4::Type fType = m_context.mkFunctionType(cvc4Sort(_domain), cvc4Sort(_codomain)); + m_functions.insert({_name, m_context.mkVar(_name.c_str(), fType)}); + } } void CVC4Interface::declareInteger(string _name) { - m_constants.insert({_name, m_context.mkVar(_name.c_str(), m_context.integerType())}); + if (!m_constants.count(_name)) + m_constants.insert({_name, m_context.mkVar(_name.c_str(), m_context.integerType())}); } void CVC4Interface::declareBool(string _name) { - m_constants.insert({_name, m_context.mkVar(_name.c_str(), m_context.booleanType())}); + if (!m_constants.count(_name)) + m_constants.insert({_name, m_context.mkVar(_name.c_str(), m_context.booleanType())}); } void CVC4Interface::addAssertion(Expression const& _expr) |