diff options
| author |  wuestholz <unknown> | 2013-05-30 09:16:44 -0700 |
|---|---|---|
| committer | wuestholz <unknown> | 2013-05-30 09:16:44 -0700 |
| commit | cbfc06a4a10f7b45d872a8e24731273680d7cbbe (patch) | |
| tree | 64c8b3567e5b5cd3bcca60da31e19c2fab1bb37e /Source/DafnyDriver | |
| parent | 5af7c85a97b420ed2daf479700391f82fa947253 (diff) | |
Changed the Dafny driver to report traces for time outs and out of memory.
Diffstat (limited to 'Source/DafnyDriver')
| -rw-r--r-- | Source/DafnyDriver/DafnyDriver.cs | 224 |
1 files changed, 121 insertions, 103 deletions
diff --git a/Source/DafnyDriver/DafnyDriver.cs b/Source/DafnyDriver/DafnyDriver.cs index 21220216..25741332 100644 --- a/Source/DafnyDriver/DafnyDriver.cs +++ b/Source/DafnyDriver/DafnyDriver.cs @@ -657,111 +657,129 @@ namespace Microsoft.Dafny break;
case VCGen.Outcome.Errors:
Contract.Assert(errors != null); // guaranteed by postcondition of VerifyImplementation
- // BP1xxx: Parsing errors
- // BP2xxx: Name resolution errors
- // BP3xxx: Typechecking errors
- // BP4xxx: Abstract interpretation errors (Is there such a thing?)
- // BP5xxx: Verification errors
-
- errors.Sort(new CounterexampleComparer());
- foreach (Counterexample error in errors)
+ break;
+ }
+ if (errors != null)
+ {
+ // BP1xxx: Parsing errors
+ // BP2xxx: Name resolution errors
+ // BP3xxx: Typechecking errors
+ // BP4xxx: Abstract interpretation errors (Is there such a thing?)
+ // BP5xxx: Verification errors
+
+ var cause = "Error";
+ if (outcome == VCGen.Outcome.TimedOut)
+ {
+ cause = "Timed out on";
+ }
+ else if (outcome == VCGen.Outcome.OutOfMemory)
+ {
+ cause = "Out of memory on";
+ }
+
+ errors.Sort(new CounterexampleComparer());
+ foreach (Counterexample error in errors)
+ {
+ if (error is CallCounterexample)
+ {
+ CallCounterexample err = (CallCounterexample)error;
+ ReportBplError(err.FailingCall.tok, (err.FailingCall.ErrorData as string) ?? cause + " BP5002: A precondition for this call might not hold.", true);
+ ReportBplError(err.FailingRequires.tok, (err.FailingRequires.ErrorData as string) ?? "Related location: This is the precondition that might not hold.", false);
+ if (CommandLineOptions.Clo.XmlSink != null)
+ {
+ CommandLineOptions.Clo.XmlSink.WriteError("precondition violation", err.FailingCall.tok, err.FailingRequires.tok, error.Trace);
+ }
+ }
+ else if (error is ReturnCounterexample)
+ {
+ ReturnCounterexample err = (ReturnCounterexample)error;
+ ReportBplError(err.FailingReturn.tok, cause + " BP5003: A postcondition might not hold on this return path.", true);
+ ReportBplError(err.FailingEnsures.tok, (err.FailingEnsures.ErrorData as string) ?? "Related location: This is the postcondition that might not hold.", false);
+ ReportAllBplErrors(err.FailingEnsures.Attributes);
+ if (CommandLineOptions.Clo.XmlSink != null)
+ {
+ CommandLineOptions.Clo.XmlSink.WriteError("postcondition violation", err.FailingReturn.tok, err.FailingEnsures.tok, error.Trace);
+ }
+ }
+ else // error is AssertCounterexample
+ {
+ AssertCounterexample err = (AssertCounterexample)error;
+ if (err.FailingAssert is LoopInitAssertCmd)
+ {
+ ReportBplError(err.FailingAssert.tok, cause + " BP5004: This loop invariant might not hold on entry.", true);
+ if (CommandLineOptions.Clo.XmlSink != null)
{
- if (error is CallCounterexample)
- {
- CallCounterexample err = (CallCounterexample)error;
- ReportBplError(err.FailingCall.tok, (err.FailingCall.ErrorData as string) ?? "Error BP5002: A precondition for this call might not hold.", true);
- ReportBplError(err.FailingRequires.tok, (err.FailingRequires.ErrorData as string) ?? "Related location: This is the precondition that might not hold.", false);
- if (CommandLineOptions.Clo.XmlSink != null)
- {
- CommandLineOptions.Clo.XmlSink.WriteError("precondition violation", err.FailingCall.tok, err.FailingRequires.tok, error.Trace);
- }
- }
- else if (error is ReturnCounterexample)
- {
- ReturnCounterexample err = (ReturnCounterexample)error;
- ReportBplError(err.FailingReturn.tok, "Error BP5003: A postcondition might not hold on this return path.", true);
- ReportBplError(err.FailingEnsures.tok, (err.FailingEnsures.ErrorData as string) ?? "Related location: This is the postcondition that might not hold.", false);
- ReportAllBplErrors(err.FailingEnsures.Attributes);
- if (CommandLineOptions.Clo.XmlSink != null)
- {
- CommandLineOptions.Clo.XmlSink.WriteError("postcondition violation", err.FailingReturn.tok, err.FailingEnsures.tok, error.Trace);
- }
- }
- else // error is AssertCounterexample
- {
- AssertCounterexample err = (AssertCounterexample)error;
- if (err.FailingAssert is LoopInitAssertCmd)
- {
- ReportBplError(err.FailingAssert.tok, "Error BP5004: This loop invariant might not hold on entry.", true);
- if (CommandLineOptions.Clo.XmlSink != null)
- {
- CommandLineOptions.Clo.XmlSink.WriteError("loop invariant entry violation", err.FailingAssert.tok, null, error.Trace);
- }
- }
- else if (err.FailingAssert is LoopInvMaintainedAssertCmd)
- {
- // this assertion is a loop invariant which is not maintained
- ReportBplError(err.FailingAssert.tok, "Error BP5005: This loop invariant might not be maintained by the loop.", true);
- if (CommandLineOptions.Clo.XmlSink != null)
- {
- CommandLineOptions.Clo.XmlSink.WriteError("loop invariant maintenance violation", err.FailingAssert.tok, null, error.Trace);
- }
- }
- else
- {
- string msg = err.FailingAssert.ErrorData as string;
- if (msg == null)
- {
- msg = "Error BP5001: This assertion might not hold.";
- }
- ReportBplError(err.FailingAssert.tok, msg, true);
- var attr = err.FailingAssert.Attributes;
- ReportAllBplErrors(attr);
- if (CommandLineOptions.Clo.XmlSink != null)
- {
- CommandLineOptions.Clo.XmlSink.WriteError("assertion violation", err.FailingAssert.tok, null, error.Trace);
- }
- }
- }
- if (CommandLineOptions.Clo.EnhancedErrorMessages == 1)
- {
- foreach (string info in error.relatedInformation)
- {
- Contract.Assert(info != null);
- Console.WriteLine(" " + info);
- }
- }
- if (CommandLineOptions.Clo.ErrorTrace > 0)
- {
- Console.WriteLine("Execution trace:");
- foreach (Block b in error.Trace)
- {
- Contract.Assert(b != null);
- if (b.tok == null)
- {
- Console.WriteLine(" <intermediate block>");
- }
- else
- {
- // for ErrorTrace == 1 restrict the output;
- // do not print tokens with -17:-4 as their location because they have been
- // introduced in the translation and do not give any useful feedback to the user
- if (!(CommandLineOptions.Clo.ErrorTrace == 1 && b.tok.line == -17 && b.tok.col == -4))
- {
- Console.WriteLine(" {0}({1},{2}): {3}", b.tok.filename, b.tok.line, b.tok.col, b.Label);
- }
- }
- }
- }
- if (CommandLineOptions.Clo.ModelViewFile != null)
- {
- error.PrintModel();
- }
- errorCount++;
+ CommandLineOptions.Clo.XmlSink.WriteError("loop invariant entry violation", err.FailingAssert.tok, null, error.Trace);
}
-
- Inform(String.Format("{0}error{1}", timeIndication, errors.Count == 1 ? "" : "s"));
- break;
+ }
+ else if (err.FailingAssert is LoopInvMaintainedAssertCmd)
+ {
+ // this assertion is a loop invariant which is not maintained
+ ReportBplError(err.FailingAssert.tok, cause + " BP5005: This loop invariant might not be maintained by the loop.", true);
+ if (CommandLineOptions.Clo.XmlSink != null)
+ {
+ CommandLineOptions.Clo.XmlSink.WriteError("loop invariant maintenance violation", err.FailingAssert.tok, null, error.Trace);
+ }
+ }
+ else
+ {
+ string msg = err.FailingAssert.ErrorData as string;
+ if (msg == null)
+ {
+ msg = cause + " BP5001: This assertion might not hold.";
+ }
+ ReportBplError(err.FailingAssert.tok, msg, true);
+ var attr = err.FailingAssert.Attributes;
+ ReportAllBplErrors(attr);
+ if (CommandLineOptions.Clo.XmlSink != null)
+ {
+ CommandLineOptions.Clo.XmlSink.WriteError("assertion violation", err.FailingAssert.tok, null, error.Trace);
+ }
+ }
+ }
+ if (CommandLineOptions.Clo.EnhancedErrorMessages == 1)
+ {
+ foreach (string info in error.relatedInformation)
+ {
+ Contract.Assert(info != null);
+ Console.WriteLine(" " + info);
+ }
+ }
+ if (CommandLineOptions.Clo.ErrorTrace > 0)
+ {
+ Console.WriteLine("Execution trace:");
+ foreach (Block b in error.Trace)
+ {
+ Contract.Assert(b != null);
+ if (b.tok == null)
+ {
+ Console.WriteLine(" <intermediate block>");
+ }
+ else
+ {
+ // for ErrorTrace == 1 restrict the output;
+ // do not print tokens with -17:-4 as their location because they have been
+ // introduced in the translation and do not give any useful feedback to the user
+ if (!(CommandLineOptions.Clo.ErrorTrace == 1 && b.tok.line == -17 && b.tok.col == -4))
+ {
+ Console.WriteLine(" {0}({1},{2}): {3}", b.tok.filename, b.tok.line, b.tok.col, b.Label);
+ }
+ }
+ }
+ }
+ if (CommandLineOptions.Clo.ModelViewFile != null)
+ {
+ error.PrintModel();
+ }
+ if (cause == "Error")
+ {
+ errorCount++;
+ }
+ }
+ if (cause == "Error")
+ {
+ Inform(String.Format("{0}error{1}", timeIndication, errors.Count == 1 ? "" : "s"));
+ }
}
if (CommandLineOptions.Clo.XmlSink != null)
|