diff options
Diffstat (limited to 'libsolidity/formal/SymbolicVariables.cpp')
| -rw-r--r-- | libsolidity/formal/SymbolicVariables.cpp | 31 |
1 files changed, 7 insertions, 24 deletions
diff --git a/libsolidity/formal/SymbolicVariables.cpp b/libsolidity/formal/SymbolicVariables.cpp index 85818ba0..efaeb97a 100644 --- a/libsolidity/formal/SymbolicVariables.cpp +++ b/libsolidity/formal/SymbolicVariables.cpp @@ -37,6 +37,11 @@ SymbolicVariable::SymbolicVariable( { } +string SymbolicVariable::currentName() const +{ + return uniqueSymbol(m_ssa->index()); +} + string SymbolicVariable::uniqueSymbol(unsigned _index) const { return m_uniqueName + "_" + to_string(_index); @@ -54,16 +59,7 @@ SymbolicBoolVariable::SymbolicBoolVariable( smt::Expression SymbolicBoolVariable::valueAtIndex(int _index) const { - return m_interface.newBool(uniqueSymbol(_index)); -} - -void SymbolicBoolVariable::setZeroValue() -{ - m_interface.addAssertion(currentValue() == smt::Expression(false)); -} - -void SymbolicBoolVariable::setUnknownValue() -{ + return m_interface.newVariable(uniqueSymbol(_index), make_shared<smt::Sort>(smt::Kind::Bool)); } SymbolicIntVariable::SymbolicIntVariable( @@ -78,20 +74,7 @@ SymbolicIntVariable::SymbolicIntVariable( smt::Expression SymbolicIntVariable::valueAtIndex(int _index) const { - return m_interface.newInteger(uniqueSymbol(_index)); -} - -void SymbolicIntVariable::setZeroValue() -{ - m_interface.addAssertion(currentValue() == 0); -} - -void SymbolicIntVariable::setUnknownValue() -{ - auto intType = dynamic_cast<IntegerType const*>(m_type.get()); - solAssert(intType, ""); - m_interface.addAssertion(currentValue() >= minValue(*intType)); - m_interface.addAssertion(currentValue() <= maxValue(*intType)); + return m_interface.newVariable(uniqueSymbol(_index), make_shared<smt::Sort>(smt::Kind::Int)); } SymbolicAddressVariable::SymbolicAddressVariable( |