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[SMTChecker] Report malformed expressions more precisely

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This commit is contained in:
Leonardo Alt 2019-06-05 11:51:43 +02:00
parent fc35c139ca
commit 1221eeebf1
2 changed files with 147 additions and 119 deletions
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40
libsolidity/formal/CVC4Interface.cpp
View File

@ -60,17 +60,21 @@ void CVC4Interface::addAssertion(Expression const& _expr)
{
m_solver.assertFormula(toCVC4Expr(_expr));
}
catch (CVC4::TypeCheckingException const&)
catch (CVC4::TypeCheckingException const& _e)
{
solAssert(false, "");
solAssert(false, _e.what());
}
catch (CVC4::LogicException const&)
catch (CVC4::LogicException const& _e)
{
solAssert(false, "");
solAssert(false, _e.what());
}
catch (CVC4::UnsafeInterruptException const&)
catch (CVC4::UnsafeInterruptException const& _e)
{
solAssert(false, "");
solAssert(false, _e.what());
}
catch (CVC4::Exception const& _e)
{
solAssert(false, _e.what());
}
}
@ -120,6 +124,8 @@ CVC4::Expr CVC4Interface::toCVC4Expr(Expression const& _expr)
for (auto const& arg: _expr.arguments)
arguments.push_back(toCVC4Expr(arg));
try
{
string const& n = _expr.name;
// Function application
if (!arguments.empty() && m_variables.count(_expr.name))
@ -136,9 +142,13 @@ CVC4::Expr CVC4Interface::toCVC4Expr(Expression const& _expr)
{
return m_context.mkConst(CVC4::Rational(n));
}
catch (...)
catch (CVC4::TypeCheckingException const& _e)
{
solAssert(false, "");
solAssert(false, _e.what());
}
catch (CVC4::Exception const& _e)
{
solAssert(false, _e.what());
}
}
@ -177,9 +187,19 @@ CVC4::Expr CVC4Interface::toCVC4Expr(Expression const& _expr)
return m_context.mkExpr(CVC4::kind::SELECT, arguments[0], arguments[1]);
else if (n == "store")
return m_context.mkExpr(CVC4::kind::STORE, arguments[0], arguments[1], arguments[2]);
// Cannot reach here.
solAssert(false, "");
}
catch (CVC4::TypeCheckingException const& _e)
{
solAssert(false, _e.what());
}
catch (CVC4::Exception const& _e)
{
solAssert(false, _e.what());
}
solAssert(false, "");
return arguments[0];
}
CVC4::Type CVC4Interface::cvc4Sort(Sort const& _sort)

16
libsolidity/formal/Z3Interface.cpp
View File

@ -116,6 +116,8 @@ z3::expr Z3Interface::toZ3Expr(Expression const& _expr)
for (auto const& arg: _expr.arguments)
arguments.push_back(toZ3Expr(arg));
try
{
string const& n = _expr.name;
if (m_functions.count(n))
return m_functions.at(n)(arguments);
@ -135,9 +137,9 @@ z3::expr Z3Interface::toZ3Expr(Expression const& _expr)
{
return m_context.int_val(n.c_str());
}
catch (...)
catch (z3::exception const& _e)
{
solAssert(false, "");
solAssert(false, _e.msg());
}
}
@ -176,9 +178,15 @@ z3::expr Z3Interface::toZ3Expr(Expression const& _expr)
return z3::select(arguments[0], arguments[1]);
else if (n == "store")
return z3::store(arguments[0], arguments[1], arguments[2]);
// Cannot reach here.
solAssert(false, "");
}
catch (z3::exception const& _e)
{
solAssert(false, _e.msg());
}
solAssert(false, "");
return arguments[0];
}
z3::sort Z3Interface::z3Sort(Sort const& _sort)