public void AddWitness(CommutativityWitness witness)
{
var key = Key(witness.firstAction, witness.secondAction);
if (!witnesses.ContainsKey(key))
{
witnesses[key] = new List <CommutativityWitness>();
}
witnesses[key].Add(witness);
}
private void ComputeWitnessedTransitionRelationExprs()
{
witnessedTransitionRelations = new List <Expr>();
Dictionary <Variable, List <CommutativityWitness> > varToWitnesses = trc.FrameWithWitnesses.
Where(x => NotEliminatedVars.Contains(frameIntermediateCopy[x])).
ToDictionary(
x => frameIntermediateCopy[x],
x => trc.globalVarToWitnesses[(GlobalVariable)x]);
foreach (var witnessSet in varToWitnesses.Values.CartesianProduct())
{
Dictionary <Variable, Expr> witnessSubst = new Dictionary <Variable, Expr>();
foreach (Tuple <Variable, CommutativityWitness> pair in
Enumerable.Zip(varToWitnesses.Keys, witnessSet, Tuple.Create))
{
CommutativityWitness witness = pair.Item2;
witnessSubst[pair.Item1] = ExprHelper.FunctionCall(
witness.function, witness.args.ToArray()
);
}
witnessedTransitionRelations.Add(
SubstitutionHelper.Apply(witnessSubst, TransitionRelationExpr));
}
}
