/// <summary>
/// Initializes a new instance.
/// </summary>
public Worker(int index, InvariantChecker context, StateStack stateStack, Func <RuntimeModel> createModel, int successorCapacity)
{
_index = index;
_context = context;
_createModel = createModel;
_model = _createModel();
_stateStack = stateStack;
var invariant = CompilationVisitor.Compile(_model.Formulas[0]);
_transitions = new TransitionSet(_model, successorCapacity, invariant);
}
/// <summary>
/// Checks the invariant encoded into the model created by <paramref name="createModel" />.
/// </summary>
internal AnalysisResult CheckInvariant(Func <RuntimeModel> createModel)
{
Requires.That(IntPtr.Size == 8, "Model checking is only supported in 64bit processes.");
var stopwatch = new Stopwatch();
stopwatch.Start();
using (var checker = new InvariantChecker(createModel, message => OutputWritten?.Invoke(message), Configuration))
{
var result = default(AnalysisResult);
var initializationTime = stopwatch.Elapsed;
stopwatch.Restart();
try
{
result = checker.Check();
return(result);
}
finally
{
stopwatch.Stop();
if (!Configuration.ProgressReportsOnly)
{
OutputWritten?.Invoke(String.Empty);
OutputWritten?.Invoke("===============================================");
OutputWritten?.Invoke($"Initialization time: {initializationTime}");
OutputWritten?.Invoke($"Model checking time: {stopwatch.Elapsed}");
OutputWritten?.Invoke($"{(int)(result.StateCount / stopwatch.Elapsed.TotalSeconds):n0} states per second");
OutputWritten?.Invoke($"{(int)(result.TransitionCount / stopwatch.Elapsed.TotalSeconds):n0} transitions per second");
OutputWritten?.Invoke("===============================================");
OutputWritten?.Invoke(String.Empty);
}
}
}
}
