/// <summary>
/// Creates a bug-reproducing task.
/// </summary>
/// <returns>Task</returns>
private Task CreateBugReproducingTask()
{
Task task = new Task(() =>
{
var runtime = new PSharpBugFindingRuntime(base.Configuration,
base.Strategy, base.Visualizer);
StringWriter sw = null;
if (base.Configuration.RedirectTestConsoleOutput &&
base.Configuration.Verbose < 2)
{
sw = base.RedirectConsoleOutput();
base.HasRedirectedConsoleOutput = true;
}
// Start the test.
if (base.TestAction != null)
{
base.TestAction(runtime);
}
else
{
try
{
if (base.TestInitMethod != null)
{
// Initializes the test state.
base.TestInitMethod.Invoke(null, new object[] { });
}
// Starts the test.
base.TestMethod.Invoke(null, new object[] { runtime });
}
catch (TargetInvocationException ex)
{
if (!(ex.InnerException is TaskCanceledException))
{
ExceptionDispatchInfo.Capture(ex.InnerException).Throw();
}
}
}
// Wait for test to terminate.
runtime.Wait();
if (base.Configuration.EnableVisualization)
{
base.Visualizer.Refresh();
}
try
{
// Invokes user-provided cleanup for this iteration.
if (base.TestIterationDisposeMethod != null)
{
// Disposes the test state.
base.TestIterationDisposeMethod.Invoke(null, new object[] { });
}
// Invokes user-provided cleanup for all iterations.
if (base.TestDisposeMethod != null)
{
// Disposes the test state.
base.TestDisposeMethod.Invoke(null, new object[] { });
}
}
catch (TargetInvocationException ex)
{
if (!(ex.InnerException is TaskCanceledException))
{
ExceptionDispatchInfo.Capture(ex.InnerException).Throw();
}
}
// Checks for any liveness property violations. Requires
// that the program has terminated and no safety property
// violations have been found.
if (!runtime.BugFinder.BugFound)
{
runtime.LivenessChecker.CheckLivenessAtTermination();
}
if (base.HasRedirectedConsoleOutput)
{
base.ResetOutput();
}
base.ExploredDepth = runtime.BugFinder.ExploredSteps;
if (runtime.BugFinder.BugFound)
{
base.NumOfFoundBugs++;
base.BugReport = runtime.BugFinder.BugReport;
}
else
{
base.BugReport = "";
}
}, base.CancellationTokenSource.Token);
return task;
}
/// <summary>
/// Creates a new bug-finding task.
/// </summary>
/// <returns>Task</returns>
private Task CreateBugFindingTask()
{
if (base.Configuration.TestingProcessId >= 0)
{
IO.Error.PrintLine($"... Task {this.Configuration.TestingProcessId} is " +
$"using '{base.Configuration.SchedulingStrategy}' strategy.");
}
else
{
IO.PrintLine($"... Using '{base.Configuration.SchedulingStrategy}' strategy.");
}
Task task = new Task(() =>
{
try
{
if (base.TestInitMethod != null)
{
// Initializes the test state.
base.TestInitMethod.Invoke(null, new object[] { });
}
}
catch (TargetInvocationException ex)
{
if (!(ex.InnerException is TaskCanceledException))
{
ExceptionDispatchInfo.Capture(ex.InnerException).Throw();
}
}
int maxIterations = base.Configuration.SchedulingIterations;
for (int i = 0; i < maxIterations; i++)
{
if (this.CancellationTokenSource.IsCancellationRequested)
{
break;
}
if (this.ShouldPrintIteration(i + 1))
{
IO.PrintLine($"..... Iteration #{i + 1}");
}
var runtime = new PSharpBugFindingRuntime(base.Configuration,
base.Strategy, base.TestReport.CoverageInfo);
StringWriter sw = null;
if (base.Configuration.RedirectTestConsoleOutput &&
base.Configuration.Verbose < 2)
{
sw = base.RedirectConsoleOutput();
base.HasRedirectedConsoleOutput = true;
}
// Starts the test.
if (base.TestAction != null)
{
base.TestAction(runtime);
}
else
{
try
{
base.TestMethod.Invoke(null, new object[] { runtime });
}
catch (TargetInvocationException ex)
{
if (!(ex.InnerException is TaskCanceledException))
{
ExceptionDispatchInfo.Capture(ex.InnerException).Throw();
}
}
}
// Wait for the test to terminate.
runtime.Wait();
if (this.Configuration.EnableDataRaceDetection)
{
this.EmitRaceInstrumentationTraces(runtime, i);
}
try
{
// Invokes user-provided cleanup for this iteration.
if (base.TestIterationDisposeMethod != null)
{
// Disposes the test state.
base.TestIterationDisposeMethod.Invoke(null, null);
}
}
catch (TargetInvocationException ex)
{
if (!(ex.InnerException is TaskCanceledException))
{
ExceptionDispatchInfo.Capture(ex.InnerException).Throw();
}
}
// Invoke the per iteration callbacks, if any.
foreach (var callback in base.PerIterationCallbacks)
{
callback(i);
}
// Cleans up the runtime before the next
// iteration starts.
this.CleanUpRuntime();
// Checks for any liveness property violations. Requires
// that the program has terminated and no safety property
// violations have been found.
if (!runtime.BugFinder.BugFound)
{
runtime.LivenessChecker.CheckLivenessAtTermination();
}
if (base.HasRedirectedConsoleOutput)
{
base.ResetOutput();
}
this.GatherIterationStatistics(runtime);
if (runtime.BugFinder.BugFound)
{
base.TestReport.NumOfFoundBugs++;
base.TestReport.BugReport = runtime.BugFinder.BugReport;
if (base.Configuration.PerformFullExploration)
{
IO.PrintLine($"..... Iteration #{i + 1} triggered " +
$"bug #{base.TestReport.NumOfFoundBugs}");
}
}
else
{
base.TestReport.BugReport = "";
}
if (base.Strategy.HasFinished())
{
break;
}
base.Strategy.ConfigureNextIteration();
if (!base.Configuration.PerformFullExploration && base.TestReport.NumOfFoundBugs > 0)
{
if (sw != null && !base.Configuration.SuppressTrace)
{
this.ReadableTrace = sw.ToString();
this.ReadableTrace += this.CreateReport("<StrategyLog>");
this.BugTrace = runtime.BugTrace;
this.ConstructReproducableTrace(runtime);
}
break;
}
else if (sw != null && base.Configuration.PrintTrace)
{
this.ReadableTrace = sw.ToString();
this.ReadableTrace += this.CreateReport("<StrategyLog>");
this.BugTrace = runtime.BugTrace;
this.ConstructReproducableTrace(runtime);
}
// Increases iterations if there is a specified timeout
// and the default iteration given.
if (base.Configuration.SchedulingIterations == 1 &&
base.Configuration.Timeout > 0)
{
maxIterations++;
}
runtime.Dispose();
}
try
{
if (base.TestDisposeMethod != null)
{
// Disposes the test state.
base.TestDisposeMethod.Invoke(null, new object[] { });
}
}
catch (TargetInvocationException ex)
{
if (!(ex.InnerException is TaskCanceledException))
{
ExceptionDispatchInfo.Capture(ex.InnerException).Throw();
}
}
}, base.CancellationTokenSource.Token);
return(task);
}
/// <summary>
/// Creates a bug-reproducing task.
/// </summary>
/// <returns>Task</returns>
private Task CreateBugReproducingTask()
{
Task task = new Task(() =>
{
var runtime = new PSharpBugFindingRuntime(base.Configuration,
base.Strategy, base.TestReport.CoverageInfo);
StringWriter sw = null;
if (base.Configuration.RedirectTestConsoleOutput &&
base.Configuration.Verbose < 2)
{
sw = base.RedirectConsoleOutput();
base.HasRedirectedConsoleOutput = true;
}
// Start the test.
if (base.TestAction != null)
{
base.TestAction(runtime);
}
else
{
try
{
if (base.TestInitMethod != null)
{
// Initializes the test state.
base.TestInitMethod.Invoke(null, new object[] { });
}
// Starts the test.
base.TestMethod.Invoke(null, new object[] { runtime });
}
catch (TargetInvocationException ex)
{
if (!(ex.InnerException is TaskCanceledException))
{
ExceptionDispatchInfo.Capture(ex.InnerException).Throw();
}
}
}
// Wait for the test to terminate.
runtime.Wait();
try
{
// Invokes user-provided cleanup for this iteration.
if (base.TestIterationDisposeMethod != null)
{
// Disposes the test state.
base.TestIterationDisposeMethod.Invoke(null, new object[] { });
}
// Invokes user-provided cleanup for all iterations.
if (base.TestDisposeMethod != null)
{
// Disposes the test state.
base.TestDisposeMethod.Invoke(null, new object[] { });
}
}
catch (TargetInvocationException ex)
{
if (!(ex.InnerException is TaskCanceledException))
{
ExceptionDispatchInfo.Capture(ex.InnerException).Throw();
}
}
// Checks for any liveness property violations. Requires
// that the program has terminated and no safety property
// violations have been found.
if (!runtime.BugFinder.BugFound)
{
runtime.LivenessChecker.CheckLivenessAtTermination();
}
if (base.HasRedirectedConsoleOutput)
{
base.ResetOutput();
}
if (runtime.BugFinder.BugFound)
{
base.TestReport.NumOfFoundBugs++;
base.TestReport.BugReport = runtime.BugFinder.BugReport;
}
else
{
base.TestReport.BugReport = "";
}
}, base.CancellationTokenSource.Token);
return(task);
}
/// <summary>
/// Creates a new bug-finding task.
/// </summary>
/// <returns>Task</returns>
private Task CreateBugFindingTask()
{
if (base.Configuration.TestingProcessId >= 0)
{
IO.Error.PrintLine($"... Task {this.Configuration.TestingProcessId} is " +
$"using '{base.Configuration.SchedulingStrategy}' strategy.");
}
else
{
IO.PrintLine($"... Using '{base.Configuration.SchedulingStrategy}' strategy.");
}
Task task = new Task(() =>
{
try
{
if (base.TestInitMethod != null)
{
// Initializes the test state.
base.TestInitMethod.Invoke(null, new object[] { });
}
}
catch (TargetInvocationException ex)
{
if (!(ex.InnerException is TaskCanceledException))
{
ExceptionDispatchInfo.Capture(ex.InnerException).Throw();
}
}
int maxIterations = base.Configuration.SchedulingIterations;
for (int i = 0; i < maxIterations; i++)
{
if (this.CancellationTokenSource.IsCancellationRequested)
{
break;
}
if (this.ShouldPrintIteration(i + 1))
{
IO.PrintLine($"..... Iteration #{i + 1}");
}
var runtime = new PSharpBugFindingRuntime(base.Configuration,
base.Strategy, base.Visualizer);
StringWriter sw = null;
if (base.Configuration.RedirectTestConsoleOutput &&
base.Configuration.Verbose < 2)
{
sw = base.RedirectConsoleOutput();
base.HasRedirectedConsoleOutput = true;
}
// Starts the test.
if (base.TestAction != null)
{
base.TestAction(runtime);
}
else
{
try
{
base.TestMethod.Invoke(null, new object[] { runtime });
}
catch (TargetInvocationException ex)
{
if (!(ex.InnerException is TaskCanceledException))
{
ExceptionDispatchInfo.Capture(ex.InnerException).Throw();
}
}
}
// Wait for test to terminate.
runtime.Wait();
if (base.Configuration.EnableVisualization)
{
base.Visualizer.Refresh();
}
if (this.Configuration.EnableDataRaceDetection)
{
this.EmitRaceInstrumentationTraces(runtime, i);
}
try
{
// Invokes user-provided cleanup for this iteration.
if (base.TestIterationDisposeMethod != null)
{
// Disposes the test state.
base.TestIterationDisposeMethod.Invoke(null, null);
}
}
catch (TargetInvocationException ex)
{
if (!(ex.InnerException is TaskCanceledException))
{
ExceptionDispatchInfo.Capture(ex.InnerException).Throw();
}
}
// Invoke the per iteration callbacks, if any.
foreach (var callback in base.PerIterationCallbacks)
{
callback(i);
}
// Cleans up the runtime before the next
// iteration starts.
this.CleanUpRuntime();
// Checks for any liveness property violations. Requires
// that the program has terminated and no safety property
// violations have been found.
if (!runtime.BugFinder.BugFound)
{
runtime.LivenessChecker.CheckLivenessAtTermination();
}
if (base.HasRedirectedConsoleOutput)
{
base.ResetOutput();
}
this.ExploredSchedules++;
base.ExploredDepth = runtime.BugFinder.ExploredSteps;
if (base.Strategy.HasReachedMaxSchedulingSteps())
{
this.MaxStepsHit++;
}
if (runtime.BugFinder.BugFound)
{
base.NumOfFoundBugs++;
base.BugReport = runtime.BugFinder.BugReport;
if (base.Configuration.PerformFullExploration)
{
IO.PrintLine($"..... Iteration #{i + 1} triggered " +
$"bug #{base.NumOfFoundBugs}");
}
}
else
{
base.BugReport = "";
}
if (base.Strategy.HasFinished())
{
break;
}
base.Strategy.ConfigureNextIteration();
if (!base.Configuration.PerformFullExploration && base.NumOfFoundBugs > 0)
{
if (sw != null && !base.Configuration.SuppressTrace)
{
this.ReadableTrace = sw.ToString();
this.ReadableTrace += this.CreateReport("<StrategyLog>");
this.BugTrace = runtime.BugTrace;
this.ConstructReproducableTrace(runtime);
}
break;
}
else if (sw != null && base.Configuration.PrintTrace)
{
this.ReadableTrace = sw.ToString();
this.ReadableTrace += this.CreateReport("<StrategyLog>");
this.BugTrace = runtime.BugTrace;
this.ConstructReproducableTrace(runtime);
}
// Increases iterations if there is a specified timeout
// and the default iteration given.
if (base.Configuration.SchedulingIterations == 1 &&
base.Configuration.Timeout > 0)
{
maxIterations++;
}
runtime.Dispose();
}
try
{
if (base.TestDisposeMethod != null)
{
// Disposes the test state.
base.TestDisposeMethod.Invoke(null, new object[] { });
}
}
catch (TargetInvocationException ex)
{
if (!(ex.InnerException is TaskCanceledException))
{
ExceptionDispatchInfo.Capture(ex.InnerException).Throw();
}
}
}, base.CancellationTokenSource.Token);
return task;
}
