# HG changeset patch
# User blanchet
# Date 1394718500 -3600
# Node ID 75dc126f5dcb7e6bd9802807ebb259da9c2198bf
# Parent  fd6e132ee4fbd7b175160298f918f32c0717e59f
more robust indices

diff -r fd6e132ee4fb -r 75dc126f5dcb src/HOL/Tools/SMT2/smt2_normalize.ML
--- a/src/HOL/Tools/SMT2/smt2_normalize.ML	Thu Mar 13 14:48:20 2014 +0100
+++ b/src/HOL/Tools/SMT2/smt2_normalize.ML	Thu Mar 13 14:48:20 2014 +0100
@@ -497,7 +497,7 @@
   let
     val (is, thms) = split_list ithms
     val (thms', extra_thms) = f thms
-  in (is ~~ thms') @ tag_list (length is) extra_thms end
+  in (is ~~ thms') @ tag_list (fold Integer.max is 0 + 1) extra_thms end
 
 fun unfold2 ctxt ithms =
   ithms