/// <summary>
/// Resets the model to its initial state.
/// </summary>
public void Reset()
{
if (_choiceResolver == null)
{
_choiceResolver = new NondeterministicChoiceResolver(true);
RuntimeModel.SetChoiceResolver(_choiceResolver);
}
var state = stackalloc byte[RuntimeModel.StateVectorSize];
_states.Clear();
_stateIndex = -1;
if (_counterExample == null)
{
RuntimeModel.Reset();
}
else
{
try
{
_counterExample.Replay(_choiceResolver, 0);
}
catch (ModelException me)
{
me.RethrowInnerException();
}
}
RuntimeModel.Serialize(state);
AddState(state);
}
public override void SetChoiceResolver(ChoiceResolver choiceResolver)
{
Model.Choice.Resolver = choiceResolver;
foreach (var faultsValue in Model.Faults.Values)
{
faultsValue.Choice.Resolver = choiceResolver;
}
}
/// <summary>
/// Resets the model to its initial state.
/// </summary>
/// <param name="traversalModifierStateVectorSize">Extra bytes in state vector for traversal parameters.</param>
public sealed override void Reset(int traversalModifierStateVectorSize)
{
ChoiceResolver.Clear();
RuntimeModel.Reset();
TemporaryStateStorage.Reset(traversalModifierStateVectorSize);
SavedActivations = RuntimeModel.NondeterministicFaults.Select(fault => fault.Activation).ToArray();
}
/// <summary>
/// Initializes a new instance.
/// </summary>
/// <param name="runtimeModelCreator">A factory function that creates the model instance that should be executed.</param>
/// <param name="formulas">The formulas that should be evaluated for each state.</param>
/// <param name="successorStateCapacity">The maximum number of successor states supported per state.</param>
internal ActivationMinimalExecutedModel(Func<RuntimeModel> runtimeModelCreator, Func<bool>[] formulas, long successorStateCapacity)
: base(runtimeModelCreator)
{
formulas = formulas ?? RuntimeModel.Formulas.Select(CompilationVisitor.Compile).ToArray();
_transitions = new ActivationMinimalTransitionSetBuilder(RuntimeModel, successorStateCapacity, formulas);
_stateConstraints = RuntimeModel.Model.Components.Cast<Component>().SelectMany(component => component.StateConstraints).ToArray();
ChoiceResolver = new ChoiceResolver(RuntimeModel.Objects.OfType<Choice>());
}
/// <summary>
/// Disposes the object, releasing all managed and unmanaged resources.
/// </summary>
/// <param name="disposing">If true, indicates that the object is disposed; otherwise, the object is finalized.</param>
protected override void OnDisposing(bool disposing)
{
if (!disposing)
{
return;
}
ChoiceResolver.SafeDispose();
TemporaryStateStorage.SafeDispose();
RuntimeModel.SafeDispose();
}
/// <summary>
/// Gets all transitions towards successor states of <paramref name="state" />.
/// </summary>
/// <param name="state">The state the successors should be returned for.</param>
public override TransitionCollection GetSuccessorTransitions(byte *state)
{
BeginExecution();
ChoiceResolver.PrepareNextState();
while (ChoiceResolver.PrepareNextPath())
{
RuntimeModel.Deserialize(state);
ExecuteTransition();
GenerateTransition();
}
return(EndExecution());
}
/// <summary>
/// Gets all initial transitions of the model.
/// </summary>
public override TransitionCollection GetInitialTransitions()
{
BeginExecution();
ChoiceResolver.PrepareNextState();
fixed(byte *state = RuntimeModel.ConstructionState)
{
while (ChoiceResolver.PrepareNextPath())
{
RuntimeModel.Deserialize(state);
ExecuteInitialTransition();
GenerateTransition();
}
}
return(EndExecution());
}
/// <summary>
/// Replays the transition of the counter example with the zero-baesd <paramref name="transitionIndex" />.
/// </summary>
/// <param name="choiceResolver">The choice resolver that should be used to resolve nondeterministic choices.</param>
/// <param name="transitionIndex">The zero-based index of the transition that should be replayed.</param>
internal unsafe void Replay(ChoiceResolver choiceResolver, int transitionIndex)
{
if (StepCount == 0)
return;
choiceResolver.Clear();
choiceResolver.PrepareNextState();
choiceResolver.SetChoices(_replayInfo[transitionIndex]);
fixed (byte* state = _states[transitionIndex])
RuntimeModel.Deserialize(state);
if (transitionIndex == 0)
RuntimeModel.ExecuteInitialStep();
else
RuntimeModel.ExecuteStep();
RuntimeModel.NotifyFaultActivations();
}
/// <summary>
/// Resets the model to its initial state.
/// </summary>
public void Reset()
{
if (_choiceResolver == null)
_choiceResolver = new ChoiceResolver(_runtimeModel.Objects.OfType<Choice>());
var state = stackalloc byte[_runtimeModel.StateVectorSize];
_states.Clear();
_stateIndex = -1;
if (_counterExample == null)
_runtimeModel.Reset();
else
_counterExample.Replay(_choiceResolver, 0);
_runtimeModel.Serialize(state);
AddState(state);
}