/// <summary>
/// Creates a counter example from the <paramref name="path" />.
/// </summary>
/// <param name="createModel">The factory function that can be used to create new instances of this model.</param>
/// <param name="path">
/// The path the counter example should be generated from. A value of <c>null</c> indicates that no
/// transitions could be generated for the model.
/// </param>
/// <param name="endsWithException">Indicates whether the counter example ends with an exception.</param>
public CounterExample CreateCounterExample(CoupledExecutableModelCreator <TExecutableModel> createModel, byte[][] path, bool endsWithException)
{
Requires.NotNull(createModel, nameof(createModel));
// We have to create new model instances to generate and initialize the counter example, otherwise hidden
// state variables might prevent us from doing so if they somehow influence the state
var replayModel = createModel.Create(StateHeaderBytes);
var choiceResolver = new NondeterministicChoiceResolver(true);
replayModel.SetChoiceResolver(choiceResolver);
CopyFaultActivationStates(replayModel);
var faultActivations = Faults.Select(fault => fault.Activation).ToArray();
// Prepend the construction state to the path; if the path is null, at least one further state must be added
// to enable counter example debugging.
// Also, get the replay information, i.e., the nondeterministic choices that were made on the path; if the path is null,
// we still have to get the choices that caused the problem.
if (path == null)
{
path = new[] { new byte[StateVectorSize] }
}
;
path = new[] { ConstructionState }.Concat(path).ToArray();
var replayInfo = replayModel.GenerateReplayInformation(choiceResolver, path, endsWithException);
return(new CounterExample(path, replayInfo, endsWithException, faultActivations));
}
