src/HOL/Mirabelle/Tools/mirabelle_sledgehammer.ML

     |> timed_reconstructor
     |>> log o prefix (reconstructor_tag reconstructor id)
     |> snd
   end
 
-val try_inner_timeout = seconds 5.0
-val try_outer_timeout = seconds 30.0
+val try_timeout = seconds 5.0
 
 fun sledgehammer_action args id (st as {pre, name, ...}: Mirabelle.run_args) =
   let val goal = Thm.major_prem_of (#goal (Proof.goal pre)) in
     if can Logic.dest_conjunction goal orelse can Logic.dest_equals goal
     then () else

       val reconstructor = Unsynchronized.ref ""
       val named_thms =
         Unsynchronized.ref (NONE : ((string * locality) * thm list) list option)
       val minimize = AList.defined (op =) args minimizeK
       val metis_ft = AList.defined (op =) args metis_ftK
-      val trivial =
-       TimeLimit.timeLimit try_outer_timeout
-                                   (Try.invoke_try (SOME try_inner_timeout)) pre
-                    handle TimeLimit.TimeOut => false
+      val trivial = Try.invoke_try (SOME try_timeout) pre
+        handle TimeLimit.TimeOut => false
       fun apply_reconstructor m1 m2 =
         if metis_ft
         then
           if not (Mirabelle.catch_result (reconstructor_tag reconstructor) false
               (run_reconstructor trivial false m1 name reconstructor