public void GlobalConstantWithWeakerAxiom()
{
p = LoadProgramFrom("programs/GlobalConstantWithWeakerAxiom.bpl");
e = GetExecutor(p);
e.BreakPointReached += delegate(object executor, Executor.BreakPointEventArgs data)
{
Assert.IsTrue(data.Name == "entry");
var constant = p.TopLevelDeclarations.OfType <Constant>().Where(c => c.Name == "a").First();
Assert.IsTrue(constant is Constant);
Assert.IsTrue(e.CurrentState.IsInScopeVariable(constant));
Assert.IsTrue(e.IsSymbolic(constant));
// Check for the expected constraint
bool found = false;
foreach (Expr constraint in e.CurrentState.Constraints.ConstraintExprs)
{
var asNeq = ExprUtil.AsNotEq(constraint);
if (asNeq != null)
{
var asSymVar = ExprUtil.AsSymbolicVariable(asNeq.Args[0]);
Assert.IsNotNull(asSymVar);
Assert.IsTrue(asSymVar.Origin.IsVariable && asSymVar.Origin.AsVariable == constant);
Assert.IsTrue(asNeq.Args[1] is LiteralExpr && (asNeq.Args[1] as LiteralExpr).asBvConst.Value.ToInt == 7);
found = true;
}
}
Assert.IsTrue(found, "Did not find expected Neq constraint");
};
e.Run(GetMain(p));
}
public static IdentifierExpr CheckIsSymbolicIdentifier(Expr e, ExecutionState state)
{
var asSym = ExprUtil.AsSymbolicVariable(e);
Assert.IsNotNull(asSym);
// FIXME: Find a convenient way to test this
// Check the state is aware of it too
// Assert.IsTrue(state.Symbolics.Where(s => s.Expr == identiferForSymbolic).Count() > 0);
return(asSym.Expr);
}