public CPDLLogConnPred(CPDLPred lhs, CPDLPred rhs, PDLLogicalOperator original) {
this.lhs = lhs;
this.rhs = rhs;
this.original = original;
}
public CPDLNegationPred(CPDLPred original)
{
this.original = original;
}
public CPDLSecondOrderQuantifierPred(string variableName, CPDLPred originalFormula)
{
Debug.Assert(variableName != null);
Debug.Assert(originalFormula != null);
this.variableName = variableName;
this.originalFormula = originalFormula;
}
private static void GenerateConstraints(CPDLPred choicePred, HashSet<char> alphabet, VariableCache.ConstraintMode constraintMode, Context z3Context, Solver z3Solver)
{
VariableCache variableGenerator = VariableCache.Create(constraintMode);
choicePred.ToSMTConstraints(z3Context, z3Solver, alphabet.Count, variableGenerator);
variableGenerator.GenerateAdditionalConstraints(z3Context, z3Solver);
}
private static IEnumerable<PDLPred> Concretize(CPDLPred choicePred, HashSet<char> alphabet, VariableCache.ConstraintMode constraintMode) {
Context z3Context = new Context();
Solver z3Solver = z3Context.MkSolver();
GenerateConstraints(choicePred, alphabet, constraintMode, z3Context, z3Solver);
List<char> alphabetList = new List<char>(alphabet);
IEnumerable<string> choiceVariables = choicePred.GetChoiceVariables();
while (z3Solver.Check() == Status.SATISFIABLE)
{
yield return choicePred.InterpretModel(alphabetList, z3Context, z3Solver.Model);
ExcludeLastModel(choiceVariables, z3Context, z3Solver);
}
}
public CPDLPredSet(string FOVar, CPDLPred pred) {
this.FOVar = FOVar;
this.pred = pred;
}