--- a/src/HOL/Tools/ATP/atp_proof.ML Mon Aug 06 22:12:17 2012 +0200
+++ b/src/HOL/Tools/ATP/atp_proof.ML Mon Aug 06 22:12:17 2012 +0200
@@ -186,7 +186,7 @@
known_failures output =
case (extract_tstplike_proof proof_delims output,
extract_known_failure known_failures output) of
- (_, SOME ProofIncomplete) => ("", SOME ProofIncomplete)
+ (_, SOME ProofIncomplete) => ("", NONE)
| ("", SOME ProofMissing) => ("", NONE)
| ("", SOME failure) =>
("", SOME (if failure = GaveUp andalso complete then Unprovable