--- a/src/HOL/Tools/ATP/atp_systems.ML Fri Apr 04 14:44:51 2014 +0200
+++ b/src/HOL/Tools/ATP/atp_systems.ML Fri Apr 04 15:56:40 2014 +0200
@@ -620,7 +620,7 @@
val z3_tptp_config : atp_config =
{exec = K (["Z3_TPTP_HOME"], ["z3_tptp"]),
arguments = fn _ => fn _ => fn _ => fn timeout => fn file_name => fn _ =>
- "-proof -t:" ^ string_of_int (to_secs 1 timeout) ^ " -file:" ^ file_name,
+ "-core -t:" ^ string_of_int (to_secs 1 timeout) ^ " -file:" ^ file_name,
proof_delims = [("SZS status Theorem", "")],
known_failures = known_szs_status_failures,
prem_role = Hypothesis,