diff options
| author |  wuestholz <unknown> | 2013-05-30 09:12:51 -0700 |
|---|---|---|
| committer | wuestholz <unknown> | 2013-05-30 09:12:51 -0700 |
| commit | d5574270cc5d424f1b3ec6a8021f9ef42c2c265b (patch) | |
| tree | 6798976ea948b72f95e9c21b858d40d9c8d1f7de /Source/BoogieDriver | |
| parent | 84670125bef08609d4c447c27f245fef530ebcd2 (diff) | |
Changed the prover interface to report traces for time outs and out of memory.
Diffstat (limited to 'Source/BoogieDriver')
| -rw-r--r-- | Source/BoogieDriver/BoogieDriver.cs | 192 |
1 files changed, 115 insertions, 77 deletions
diff --git a/Source/BoogieDriver/BoogieDriver.cs b/Source/BoogieDriver/BoogieDriver.cs index 26763f95..99e9ee9e 100644 --- a/Source/BoogieDriver/BoogieDriver.cs +++ b/Source/BoogieDriver/BoogieDriver.cs @@ -520,94 +520,132 @@ namespace Microsoft.Boogie { if (CommandLineOptions.Clo.vcVariety == CommandLineOptions.VCVariety.Doomed) {
Inform(String.Format("{0}doomed", timeIndication));
errorCount++;
- } //else {
+ }
Contract.Assert(errors != null); // guaranteed by postcondition of VerifyImplementation
+ 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";
+ }
+ // TODO(wuestholz): Take the error cause into account when writing to the XML sink.
+ errors.Sort(new CounterexampleComparer());
+ foreach (Counterexample error in errors)
+ {
+ if (error is CallCounterexample)
+ {
+ CallCounterexample err = (CallCounterexample)error;
+ if (!CommandLineOptions.Clo.ForceBplErrors && err.FailingRequires.ErrorMessage != null)
+ {
+ ReportBplError(err.FailingRequires, err.FailingRequires.ErrorMessage, true, false);
+ }
+ else
+ {
+ ReportBplError(err.FailingCall, cause + " BP5002: A precondition for this call might not hold.", true, true);
+ ReportBplError(err.FailingRequires, "Related location: This is the precondition that might not hold.", false, true);
+ }
+ 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;
+ if (!CommandLineOptions.Clo.ForceBplErrors && err.FailingEnsures.ErrorMessage != null)
+ {
+ ReportBplError(err.FailingEnsures, err.FailingEnsures.ErrorMessage, true, false);
+ }
+ else
+ {
+ ReportBplError(err.FailingReturn, cause + " BP5003: A postcondition might not hold on this return path.", true, true);
+ ReportBplError(err.FailingEnsures, "Related location: This is the postcondition that might not hold.", false, true);
+ }
+ 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, cause + " BP5004: This loop invariant might not hold on entry.", true, true);
+ if (CommandLineOptions.Clo.XmlSink != null)
{
- // 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) {
- if (error is CallCounterexample) {
- CallCounterexample err = (CallCounterexample)error;
- if (!CommandLineOptions.Clo.ForceBplErrors && err.FailingRequires.ErrorMessage != null) {
- ReportBplError(err.FailingRequires, err.FailingRequires.ErrorMessage, true, false);
- }
- else {
- ReportBplError(err.FailingCall, "Error BP5002: A precondition for this call might not hold.", true, true);
- ReportBplError(err.FailingRequires, "Related location: This is the precondition that might not hold.", false, true);
- }
- if (CommandLineOptions.Clo.XmlSink != null) {
- CommandLineOptions.Clo.XmlSink.WriteError("precondition violation", err.FailingCall.tok, err.FailingRequires.tok, error.Trace);
- }
+ CommandLineOptions.Clo.XmlSink.WriteError("loop invariant entry violation", err.FailingAssert.tok, null, error.Trace);
}
- else if (error is ReturnCounterexample) {
- ReturnCounterexample err = (ReturnCounterexample)error;
- if (!CommandLineOptions.Clo.ForceBplErrors && err.FailingEnsures.ErrorMessage != null) {
- ReportBplError(err.FailingEnsures, err.FailingEnsures.ErrorMessage, true, false);
- }
- else {
- ReportBplError(err.FailingReturn, "Error BP5003: A postcondition might not hold on this return path.", true, true);
- ReportBplError(err.FailingEnsures, "Related location: This is the postcondition that might not hold.", false, true);
- }
- if (CommandLineOptions.Clo.XmlSink != null) {
- CommandLineOptions.Clo.XmlSink.WriteError("postcondition violation", err.FailingReturn.tok, err.FailingEnsures.tok, error.Trace);
- }
+ }
+ else if (err.FailingAssert is LoopInvMaintainedAssertCmd)
+ {
+ // this assertion is a loop invariant which is not maintained
+ ReportBplError(err.FailingAssert, cause + " BP5005: This loop invariant might not be maintained by the loop.", true, true);
+ if (CommandLineOptions.Clo.XmlSink != null)
+ {
+ CommandLineOptions.Clo.XmlSink.WriteError("loop invariant maintenance violation", err.FailingAssert.tok, null, error.Trace);
}
- else // error is AssertCounterexample
- {
- AssertCounterexample err = (AssertCounterexample)error;
- if (err.FailingAssert is LoopInitAssertCmd) {
- ReportBplError(err.FailingAssert, "Error BP5004: This loop invariant might not hold on entry.", true, 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, "Error BP5005: This loop invariant might not be maintained by the loop.", true, true);
- if (CommandLineOptions.Clo.XmlSink != null) {
- CommandLineOptions.Clo.XmlSink.WriteError("loop invariant maintenance violation", err.FailingAssert.tok, null, error.Trace);
- }
- }
- else {
- if (!CommandLineOptions.Clo.ForceBplErrors && err.FailingAssert.ErrorMessage != null) {
- ReportBplError(err.FailingAssert, err.FailingAssert.ErrorMessage, true, false);
- }
- else if (err.FailingAssert.ErrorData is string) {
- ReportBplError(err.FailingAssert, (string)err.FailingAssert.ErrorData, true, true);
- }
- else {
- ReportBplError(err.FailingAssert, "Error BP5001: This assertion might not hold.", true, true);
- }
- if (CommandLineOptions.Clo.XmlSink != null) {
- CommandLineOptions.Clo.XmlSink.WriteError("assertion violation", err.FailingAssert.tok, null, error.Trace);
- }
- }
+ }
+ else
+ {
+ if (!CommandLineOptions.Clo.ForceBplErrors && err.FailingAssert.ErrorMessage != null)
+ {
+ ReportBplError(err.FailingAssert, err.FailingAssert.ErrorMessage, true, false);
}
- if (CommandLineOptions.Clo.EnhancedErrorMessages == 1) {
- foreach (string info in error.relatedInformation) {
- Contract.Assert(info != null);
- Console.WriteLine(" " + info);
- }
+ else if (err.FailingAssert.ErrorData is string)
+ {
+ ReportBplError(err.FailingAssert, (string)err.FailingAssert.ErrorData, true, true);
}
- if (CommandLineOptions.Clo.ErrorTrace > 0) {
- Console.WriteLine("Execution trace:");
- error.Print(4);
+ else
+ {
+ ReportBplError(err.FailingAssert, cause + " BP5001: This assertion might not hold.", true, true);
}
- if (CommandLineOptions.Clo.ModelViewFile != null) {
- error.PrintModel();
+ if (CommandLineOptions.Clo.XmlSink != null)
+ {
+ CommandLineOptions.Clo.XmlSink.WriteError("assertion violation", err.FailingAssert.tok, null, error.Trace);
}
- errorCount++;
}
- //}
- Inform(String.Format("{0}error{1}", timeIndication, errors.Count == 1 ? "" : "s"));
}
- break;
+ 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:");
+ error.Print(4);
+ }
+ 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"));
+ }
}
}
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