public FlatAbstractDomain <bool> CheckIfGreaterEqualThanZero(Expression exp)
{
// exp >= 0 ?
AI.IExpr toCheck = linearfactory.AtMost(linearfactory.Const(0), Converter.Box <Expression>(exp, decoder));
return(ToFlatAbstractDomain(UnderlyingPolyhedra.CheckPredicate(embedded, toCheck)).Meet(intv.CheckIfGreaterEqualThanZero(exp)));
}
public override Answer CheckPredicate(Element /*!*/ e, IExpr /*!*/ pred)
{
//Contract.Requires(pred != null);
//Contract.Requires(e != null);
checkPredicateCount++;
return(lattice.CheckPredicate(e, pred));
}
public Answer CheckPredicate(IExpr /*!*/ pred)
{
//Contract.Requires(pred != null);
return(lattice.CheckPredicate(element, pred));
}
