public static int GetSMTVariables(PDLPred phi, IEnumerable<char> alphabet)
{
CPDLPred choiceTree = phi.GetCPDL();
HashSet<char> alphabetHashSet = new HashSet<char>(alphabet);
Context z3Context = new Context();
Solver z3Solver = z3Context.MkSolver();
VariableCache variableGenerator = VariableCache.Create(VariableCache.ConstraintMode.BOTH);
choiceTree.ToSMTConstraints(z3Context, z3Solver, alphabetHashSet.Count, variableGenerator);
variableGenerator.GenerateAdditionalConstraints(z3Context, z3Solver);
return variableGenerator.GetNumVariables();
}
public static IEnumerable<PDLPred> GeneratePDLWithEDn(PDLPred phi, IEnumerable<char> alphabet, VariableCache.ConstraintMode constConst, PdlFilter.Filtermode filtermode)
{
CPDLPred choiceTree = phi.GetCPDL();
HashSet<char> alphabetHashSet = new HashSet<char>(alphabet);
PdlFilter filter = PdlFilter.Create(filtermode, phi, alphabetHashSet);
// Concretize yields all feasible concretizations of the choiceTree
foreach(PDLPred candidate in Concretize(choiceTree, alphabetHashSet, constConst)) {
if (filter.KeepPredicate(candidate) == true)
{
yield return candidate;
}
}
}