group all limits into a single object

makes API of Call_provers and Driver a bit simpler

examples/use_api/create_session.ml

@@ -92,9 +92,9 @@ let add_proofs_attempts g =
           ~keygen:dummy_keygen
           ~obsolete:true
           ~archived:false
-          ~timelimit:5
-	  ~steplimit:(-1)
-          ~memlimit:1000
+          ~limit:{Call_provers.limit_time = Some 5;
+                               limit_steps = None;
+                               limit_mem = Some 1000 }
           ~edit:None
           g p.Whyconf.prover Session.Scheduled
       in ())

examples/use_api/logic.ml

@@ -94,7 +94,8 @@ let alt_ergo_driver : Driver.driver =
 (* calls Alt-Ergo *)
 let result1 : Call_provers.prover_result =
   Call_provers.wait_on_call
-    (Driver.prove_task ~command:alt_ergo.Whyconf.command
+    (Driver.prove_task ~limit:Call_provers.empty_limit
+                       ~command:alt_ergo.Whyconf.command
     alt_ergo_driver task1 ()) ()
 
 (* prints Alt-Ergo answer *)
@@ -104,7 +105,9 @@ let () = printf "@[On task 1, alt-ergo answers %a@."
 let result2 : Call_provers.prover_result =
   Call_provers.wait_on_call
     (Driver.prove_task ~command:alt_ergo.Whyconf.command
-    ~timelimit:10
+    ~limit:{Call_provers.limit_time = Some 10;
+                         limit_mem = None ;
+                         limit_steps = None}
     alt_ergo_driver task2 ()) ()
 
 let () = printf "@[On task 2, alt-ergo answers %a in %5.2f seconds@."
@@ -141,7 +144,8 @@ let () = printf "@[task 3 created@]@."
 
 let result3 =
   Call_provers.wait_on_call
-    (Driver.prove_task ~command:alt_ergo.Whyconf.command
+    (Driver.prove_task ~limit:Call_provers.empty_limit
+                       ~command:alt_ergo.Whyconf.command
     alt_ergo_driver task3 ()) ()
 
 let () = printf "@[On task 3, alt-ergo answers %a@."
@@ -170,7 +174,8 @@ let task4 = Task.add_prop_decl task4 Decl.Pgoal goal_id4 fmla4
 
 let result4 =
   Call_provers.wait_on_call
-    (Driver.prove_task ~command:alt_ergo.Whyconf.command
+    (Driver.prove_task ~limit:Call_provers.empty_limit
+                       ~command:alt_ergo.Whyconf.command
     alt_ergo_driver task4 ()) ()
 
 let () = printf "@[On task 4, alt-ergo answers %a@."

src/driver/call_provers.ml

@@ -39,7 +39,31 @@ type prover_result = {
   pr_model  : model;
 }
 
-(** time regexp "%h:%m:%s" *)
+type resource_limit =
+  {
+    limit_time  : int option;
+    limit_mem   : int option;
+    limit_steps : int option;
+  }
+
+let empty_limit =
+  { limit_time = None ; limit_mem = None; limit_steps = None }
+
+let get_time x = Opt.get_def 0 x.limit_time
+let get_mem x = Opt.get_def 0 x.limit_mem
+let get_steps x = Opt.get_def (-1) x.limit_steps
+
+let mk_limit t m s =
+  { limit_time = if t = 0 then None else Some t;
+    limit_mem  = if m = 0 then None else Some m;
+    limit_steps = if s = -1 then None else Some s
+  }
+
+let limit_max a b =
+  mk_limit (max (get_time a) (get_time b))
+           (max (get_mem a) (get_mem b))
+           (max (get_steps a) (get_steps b))
+
 type timeunit =
   | Hour
   | Min
@@ -189,7 +213,7 @@ let debug_print_model model =
   Debug.dprintf debug "Call_provers: %s@." model_str
 
 
-let parse_prover_run res_parser time out ret on_timelimit timelimit ~printer_mapping =
+let parse_prover_run res_parser time out ret on_timelimit limit ~printer_mapping =
   let ans = match ret with
     | Unix.WSTOPPED n ->
         Debug.dprintf debug "Call_provers: stopped by signal %d@." n;
@@ -209,9 +233,9 @@ let parse_prover_run res_parser time out ret on_timelimit timelimit ~printer_map
   let ans = match ans with
     | Unknown (s, _) -> Unknown (s, Some reason_unknown)
     | _ -> ans in
-  let ans = match ans with
-    | Unknown _ | HighFailure when on_timelimit && timelimit > 0
-      && time >= (0.9 *. float timelimit) -> Timeout
+  let ans = match ans, limit with
+    | (Unknown _ | HighFailure), { limit_time = Some tlimit }
+      when on_timelimit && time >= (0.9 *. float tlimit) -> Timeout
     | _ -> ans
   in
   let model = res_parser.prp_model_parser out printer_mapping in
@@ -225,7 +249,10 @@ let parse_prover_run res_parser time out ret on_timelimit timelimit ~printer_map
     pr_model  = model;
   }
 
-let actualcommand command timelimit memlimit steplimit file =
+let actualcommand command limit file =
+  let timelimit = get_time limit in
+  let memlimit  = get_mem limit in
+  let steplimit = get_steps limit in
   let arglist = Cmdline.cmdline_split command in
   let use_stdin = ref true in
   let on_timelimit = ref false in
@@ -250,13 +277,14 @@ let actualcommand command timelimit memlimit steplimit file =
   in
   args, !use_stdin, !on_timelimit
 
-let call_on_file ~command ?(timelimit=0) ?(memlimit=0) ?(steplimit=(-1))
+let call_on_file ~command
+                 ~limit
                  ~res_parser
 		 ~printer_mapping
                  ?(cleanup=false) ?(inplace=false) ?(redirect=true) fin =
 
   let command, use_stdin, on_timelimit =
-    try actualcommand command timelimit memlimit steplimit fin
+    try actualcommand command limit fin
     with e ->
       if cleanup then Sys.remove fin;
       if inplace then Sys.rename (save fin) fin;
@@ -300,12 +328,12 @@ let call_on_file ~command ?(timelimit=0) ?(memlimit=0) ?(steplimit=(-1))
           if inplace then swallow (Sys.rename (save fin)) fin;
           if redirect then swallow Sys.remove fout
         end;
-        parse_prover_run res_parser time out ret on_timelimit timelimit ~printer_mapping
+        parse_prover_run res_parser time out ret on_timelimit limit
+          ~printer_mapping
     in
     { call = call; pid = pid }
 
-let call_on_buffer ~command ?(timelimit=0) ?(memlimit=0) ?(steplimit=(-1))
-                   ~res_parser ~filename
+let call_on_buffer ~command ~limit ~res_parser ~filename
 		   ~printer_mapping
                    ?(inplace=false) buffer =
 
@@ -316,7 +344,7 @@ let call_on_buffer ~command ?(timelimit=0) ?(memlimit=0) ?(steplimit=(-1))
     end else
       Filename.open_temp_file "why_" ("_" ^ filename) in
   Buffer.output_buffer cin buffer; close_out cin;
-  call_on_file ~command ~timelimit ~memlimit ~steplimit
+  call_on_file ~command ~limit
                ~res_parser ~printer_mapping ~cleanup:true ~inplace fin
 
 let query_call pc =

src/driver/call_provers.mli

@@ -102,11 +102,36 @@ type pre_prover_call = unit -> prover_call
 type post_prover_call = unit -> prover_result
 (** Thread-unsafe closure that interprets the prover's results *)
 
+type resource_limit =
+  {
+    limit_time  : int option;
+    limit_mem   : int option;
+    limit_steps : int option;
+  }
+(* represents the three ways a prover run can be limited: in time, memory
+   and/or steps *)
+
+val empty_limit : resource_limit
+(* the limit object which imposes no limits *)
+
+val limit_max : resource_limit -> resource_limit -> resource_limit
+(* return the limit object whose components represent the maximum of the
+   corresponding components of the arguments *)
+
+val get_time : resource_limit -> int
+(* return time, return default value 0 if not set *)
+val get_mem : resource_limit -> int
+(* return time, return default value 0 if not set *)
+val get_steps : resource_limit -> int
+(* return time, return default value (-1) if not set *)
+
+val mk_limit : int -> int -> int -> resource_limit
+(* build a limit object, transforming the default values into None on the fly
+   *)
+
 val call_on_file :
   command     : string ->
-  ?timelimit  : int ->
-  ?memlimit   : int ->
-  ?steplimit  : int ->
+  limit       : resource_limit ->
   res_parser  : prover_result_parser ->
   printer_mapping : Printer.printer_mapping ->
   ?cleanup    : bool ->
@@ -116,9 +141,7 @@ val call_on_file :
 
 val call_on_buffer :
   command     : string ->
-  ?timelimit  : int ->
-  ?memlimit   : int ->
-  ?steplimit  : int ->
+  limit       : resource_limit ->
   res_parser  : prover_result_parser ->
   filename    : string ->
   printer_mapping : Printer.printer_mapping ->

src/driver/driver.ml

@@ -251,10 +251,10 @@ let file_of_task drv input_file theory_name task =
 let file_of_theory drv input_file th =
   get_filename drv input_file th.th_name.Ident.id_string "null"
 
-let call_on_buffer ~command ?timelimit ?memlimit ?steplimit
+let call_on_buffer ~command ~limit
                    ?inplace ~filename ~printer_mapping drv buffer =
   Call_provers.call_on_buffer
-    ~command ?timelimit ?memlimit ?steplimit ~res_parser:drv.drv_res_parser
+    ~command ~limit ~res_parser:drv.drv_res_parser
     ~filename ~printer_mapping ?inplace buffer
 
 
@@ -324,7 +324,7 @@ let print_theory ?old drv fmt th =
   print_task ?old drv fmt task
 
 let prove_task_prepared
-    ~command ?timelimit ?memlimit ?steplimit ?old ?inplace drv task =
+    ~command ~limit ?old ?inplace drv task =
   let buf = Buffer.create 1024 in
   let fmt = formatter_of_buffer buf in
   let old_channel = Opt.map open_in old in
@@ -342,15 +342,14 @@ let prove_task_prepared
         get_filename drv fn "T" pr.pr_name.id_string
   in
   let res =
-    call_on_buffer ~command ?timelimit ?memlimit ?steplimit
+    call_on_buffer ~command ~limit
                    ?inplace ~filename ~printer_mapping drv buf in
   Buffer.reset buf;
   res
 
-let prove_task ~command ?(cntexample=false) ?timelimit ?memlimit ?steplimit ?old ?inplace drv task =
+let prove_task ~command ~limit ?(cntexample=false) ?old ?inplace drv task =
   let task = prepare_task ~cntexample drv task in
-  prove_task_prepared ~command ?timelimit ?memlimit
-                      ?steplimit ?old ?inplace drv task
+  prove_task_prepared ~command ~limit ?old ?inplace drv task
 
 (* exception report *)
 

src/driver/driver.mli

@@ -36,9 +36,7 @@ val file_of_theory : driver -> string -> Theory.theory -> string
 
 val call_on_buffer :
   command    : string ->
-  ?timelimit : int ->
-  ?memlimit  : int ->
-  ?steplimit : int ->
+  limit      : Call_provers.resource_limit ->
   ?inplace   : bool ->
   filename   : string ->
   printer_mapping : Printer.printer_mapping ->
@@ -57,10 +55,8 @@ val print_theory :
 
 val prove_task :
   command    : string ->
+  limit      : Call_provers.resource_limit ->
   ?cntexample : bool ->
-  ?timelimit : int ->
-  ?memlimit  : int ->
-  ?steplimit : int ->
   ?old       : string ->
   ?inplace   : bool ->
   driver -> Task.task -> Call_provers.pre_prover_call
@@ -74,9 +70,7 @@ val print_task_prepared :
 
 val prove_task_prepared :
   command    : string ->
-  ?timelimit : int ->
-  ?memlimit  : int ->
-  ?steplimit : int ->
+  limit      : Call_provers.resource_limit ->
   ?old       : string ->
   ?inplace   : bool ->
   driver -> Task.task -> Call_provers.pre_prover_call

src/driver/whyconf.ml

@@ -209,8 +209,8 @@ let cntexample m = m.cntexample
 
 exception StepsCommandNotSpecified of string
 
-let get_complete_command pc steplimit =
-  let comm = if steplimit < 0 then pc.command
+let get_complete_command pc ~with_steps =
+  let comm = if with_steps then pc.command
     else
       match pc.command_steps with
       | None -> raise (StepsCommandNotSpecified

src/driver/whyconf.mli

@@ -120,7 +120,7 @@ type config_prover = {
   extra_drivers: string list;
 }
 
-val get_complete_command : config_prover -> int -> string
+val get_complete_command : config_prover -> with_steps:bool -> string
 (** add the extra_options to the command *)
 
 val get_provers : config -> config_prover Mprover.t

src/ide/gmain.ml

@@ -489,7 +489,8 @@ let set_proof_state a =
     | S.Done { Call_provers.pr_time = time; Call_provers.pr_steps = steps } ->
        let s =
         if gconfig.show_time_limit then
-          Format.sprintf "%.2f [%d.0]" time a.S.proof_timelimit
+          Format.sprintf "%.2f [%d.0]" time
+          (Call_provers.get_time a.S.proof_limit)
         else
           Format.sprintf "%.2f" time
        in
@@ -503,7 +504,8 @@ let set_proof_state a =
     | S.Interrupted -> "(interrupted)"
     | S.Scheduled | S.Running ->
         Format.sprintf "[limit=%d sec., %d M]"
-          a.S.proof_timelimit a.S.proof_memlimit
+          (Call_provers.get_time a.S.proof_limit)
+          (Call_provers.get_mem a.S.proof_limit)
   in
   let t = if obsolete then t ^ " (obsolete)" else t in
   (* TODO find a better way to signal archived row *)
@@ -1016,7 +1018,10 @@ let prover_on_selected_goals pr =
        M.run_prover
          (env_session()) sched
          ~context_unproved_goals_only:!context_unproved_goals_only
-         ~cntexample ~timelimit ~steplimit:(-1) ~memlimit
+         ~cntexample
+         ~limit:{Call_provers.limit_time = Some timelimit;
+                              limit_mem = Some memlimit;
+                              limit_steps = None}
          pr a
       with e ->
         eprintf "@[Exception raised while running a prover:@ %a@.@]"
@@ -1131,13 +1136,13 @@ let bisect_proof_attempt pa =
         assert (not lp.S.prover_config.C.in_place); (* TODO do this case *)
         M.schedule_proof_attempt
 	  ~cntexample
-          ~timelimit:!timelimit
-          ~memlimit:pa.S.proof_memlimit
-	  ~steplimit:(-1)
+          ~limit:{Call_provers.limit_time = Some !timelimit;
+                 limit_mem = pa.S.proof_limit.Call_provers.limit_mem;
+                 limit_steps = None}
           ?old:(S.get_edited_as_abs eS.S.session pa)
           (* It is dangerous, isn't it? to be in place for bisecting? *)
           ~inplace:lp.S.prover_config.C.in_place
-          ~command:(C.get_complete_command lp.S.prover_config (-1))
+          ~command:(C.get_complete_command lp.S.prover_config ~with_steps:false)
           ~driver:lp.S.prover_driver
           ~callback:(callback lp pa c) sched t
   in
@@ -1170,12 +1175,13 @@ let bisect_proof_attempt pa =
           | Some lp ->
             M.schedule_proof_attempt
 	      ~cntexample
-              ~timelimit:!timelimit
-              ~memlimit:pa.S.proof_memlimit
-	      ~steplimit:(-1)
+              ~limit:{pa.S.proof_limit with
+                        Call_provers.limit_steps = None;
+                        limit_time = Some !timelimit}
               ?old:(S.get_edited_as_abs eS.S.session pa)
               ~inplace:lp.S.prover_config.C.in_place
-              ~command:(C.get_complete_command lp.S.prover_config (-1))
+              ~command:(C.get_complete_command lp.S.prover_config
+                            ~with_steps:false)
               ~driver:lp.S.prover_driver
               ~callback:(callback lp pa c) sched t in
   dprintf debug "Bisecting with %a started.@."

src/session/session.ml

@@ -157,9 +157,7 @@ and 'a proof_attempt =
     mutable proof_prover : Whyconf.prover;
     proof_parent : 'a goal;
     mutable proof_state : proof_attempt_status;
-    mutable proof_timelimit : int;
-    mutable proof_steplimit : int;
-    mutable proof_memlimit : int;
+    mutable proof_limit : Call_provers.resource_limit;
     mutable proof_obsolete : bool;
     mutable proof_archived : bool;
     mutable proof_edited_as : string option;
@@ -498,21 +496,15 @@ let get_used_provers_with_stats session =
           PHprover.add prover_table prover x;
           x
       in
-      let tf =
-        try Hashtbl.find timelimits pa.proof_timelimit
-        with Not_found -> 0
-      in
-      let sf =
-	try Hashtbl.find steplimits pa.proof_steplimit
-	with Not_found -> 0
-      in
-      let mf =
-        try Hashtbl.find memlimits pa.proof_timelimit
-        with Not_found -> 0
-      in
-      Hashtbl.replace timelimits pa.proof_timelimit (tf+1);
-      Hashtbl.replace steplimits pa.proof_steplimit (sf+1);
-      Hashtbl.replace memlimits pa.proof_memlimit (mf+1))
+      let lim_time = Call_provers.get_time pa.proof_limit in
+      let lim_mem = Call_provers.get_mem pa.proof_limit in
+      let lim_steps = Call_provers.get_steps pa.proof_limit in
+      let tf = try Hashtbl.find timelimits lim_time with Not_found -> 0 in
+      let sf = try Hashtbl.find steplimits lim_steps with Not_found -> 0 in
+      let mf = try Hashtbl.find memlimits lim_mem with Not_found -> 0 in
+      Hashtbl.replace timelimits lim_time (tf+1);
+      Hashtbl.replace steplimits lim_mem (sf+1);
+      Hashtbl.replace memlimits lim_steps (mf+1))
     session;
   prover_table
 
@@ -588,9 +580,9 @@ let save_proof_attempt fmt ((id,tl,sl,ml),a) =
   fprintf fmt
     "@\n@[<h><proof@ prover=\"%i\"%a%a%a%a%a%a>"
     id
-    (save_int_def "timelimit" tl) a.proof_timelimit
-    (save_int_def "steplimit" sl) a.proof_steplimit
-    (save_int_def "memlimit" ml) a.proof_memlimit
+    (save_int_def "timelimit" tl) (Call_provers.get_time a.proof_limit)
+    (save_int_def "steplimit" sl) (Call_provers.get_steps a.proof_limit)
+    (save_int_def "memlimit" ml) (Call_provers.get_mem a.proof_limit)
     (opt_string "edited") a.proof_edited_as
     (save_bool_def "obsolete" false) a.proof_obsolete
     (save_bool_def "archived" false) a.proof_archived;
@@ -954,7 +946,7 @@ type 'a keygen = ?parent:'a -> unit -> 'a
 let add_external_proof
     ?(notify=notify)
     ~(keygen:'a keygen) ~obsolete
-    ~archived ~timelimit ~steplimit ~memlimit ~edit (g:'a goal) p result =
+    ~archived ~limit ~edit (g:'a goal) p result =
   assert (edit <> Some "");
   let key = keygen ~parent:g.goal_key () in
   let a = { proof_prover = p;
@@ -963,9 +955,7 @@ let add_external_proof
             proof_obsolete = obsolete;
             proof_archived = archived;
             proof_state = result;
-            proof_timelimit = timelimit;
-	    proof_steplimit = steplimit;
-            proof_memlimit = memlimit;
+            proof_limit = limit;
             proof_edited_as = edit;
           }
   in
@@ -995,8 +985,12 @@ let change_prover a p =
 
 let set_edited_as edited_as a = a.proof_edited_as <- edited_as
 
-let set_timelimit timelimit a = a.proof_timelimit <- timelimit
-let set_memlimit memlimit a = a.proof_memlimit <- memlimit
+let set_timelimit timelimit a =
+  a.proof_limit <-
+    { a.proof_limit with Call_provers.limit_time = Some timelimit}
+let set_memlimit memlimit a =
+  a.proof_limit <-
+    { a.proof_limit with Call_provers.limit_mem = Some memlimit}
 
 let set_obsolete ?(notify=notify) a =
   a.proof_obsolete <- true;
@@ -1299,6 +1293,7 @@ and load_proof_or_transf ctxt mg a =
           let timelimit = int_attribute_def "timelimit" a timelimit in
 	  let steplimit = int_attribute_def "steplimit" a steplimit in
           let memlimit = int_attribute_def "memlimit" a memlimit in
+          let limit = Call_provers.mk_limit timelimit memlimit steplimit in
         (*
           if timelimit < 0 then begin
           eprintf "[Error] incorrect or unspecified  timelimit '%i'@."
@@ -1309,7 +1304,7 @@ and load_proof_or_transf ctxt mg a =
         *)
           let (_ : 'a proof_attempt) =
             add_external_proof ~keygen:ctxt.keygen ~archived ~obsolete
-              ~timelimit ~steplimit ~memlimit ~edit mg p res
+              ~limit ~edit mg p res
           in
           ()
         with Failure _ | Not_found ->
@@ -1930,16 +1925,14 @@ let ft_of_pa a =
     But since it will be perhaps removed...
  *)
 let copy_external_proof
-    ?notify ~keygen ?obsolete ?archived ?timelimit ?steplimit ?memlimit ?edit
+    ?notify ~keygen ?obsolete ?archived ?limit ?edit
     ?goal ?prover ?attempt_status ?env_session ?session a =
   let session = match env_session with
     | Some eS -> Some eS.session
     | _ -> session in
   let obsolete = Opt.get_def a.proof_obsolete obsolete in
   let archived = Opt.get_def a.proof_archived archived in
-  let timelimit = Opt.get_def a.proof_timelimit timelimit in
-  let steplimit = Opt.get_def a.proof_steplimit steplimit in
-  let memlimit = Opt.get_def a.proof_memlimit memlimit in
+  let limit = Opt.get_def a.proof_limit limit in
   let pas = Opt.get_def a.proof_state attempt_status in
   let ngoal = Opt.get_def a.proof_parent goal in
   let nprover = match prover with
@@ -1986,7 +1979,7 @@ let copy_external_proof
             Some (dst_file)
   in
   add_external_proof ?notify ~keygen
-    ~obsolete ~archived ~timelimit ~steplimit ~memlimit ~edit ngoal nprover pas
+    ~obsolete ~archived ~limit ~edit ngoal nprover pas
 
 exception UnloadableProver of Whyconf.prover
 
@@ -2046,7 +2039,9 @@ let print_external_proof fmt p =
   fprintf fmt "%a - %a (%i, %i, %i)%s%s%s"
     Whyconf.print_prover p.proof_prover
     print_attempt_status p.proof_state
-    p.proof_timelimit p.proof_steplimit p.proof_memlimit
+    (Call_provers.get_time p.proof_limit)
+    (Call_provers.get_steps p.proof_limit)
+    (Call_provers.get_mem p.proof_limit)
     (if p.proof_obsolete then " obsolete" else "")
     (if p.proof_archived then " archived" else "")
     (if p.proof_edited_as <> None then " edited" else "")
@@ -2081,9 +2076,7 @@ let merge_proof ~keygen obsolete to_goal _ from_proof =
     (add_external_proof ~keygen
        ~obsolete
        ~archived:from_proof.proof_archived
-       ~timelimit:from_proof.proof_timelimit
-       ~steplimit:from_proof.proof_steplimit
-       ~memlimit:from_proof.proof_memlimit
+       ~limit:from_proof.proof_limit
        ~edit:from_proof.proof_edited_as
        to_goal
        from_proof.proof_prover

src/session/session.mli

@@ -95,9 +95,7 @@ and 'a proof_attempt = private
       mutable proof_prover : Whyconf.prover;
       proof_parent : 'a goal;
       mutable proof_state : proof_attempt_status;
-      mutable proof_timelimit : int;
-      mutable proof_steplimit : int;
-      mutable proof_memlimit : int;
+      mutable proof_limit : Call_provers.resource_limit;
       mutable proof_obsolete : bool;
       mutable proof_archived : bool;
       mutable proof_edited_as : string option;
@@ -346,9 +344,7 @@ val add_external_proof :
   keygen:'key keygen ->
   obsolete:bool ->
   archived:bool ->
-  timelimit:int ->
-  steplimit:int ->
-  memlimit:int ->
+  limit: Call_provers.resource_limit ->
   edit:string option ->
   'key goal ->
   Whyconf.prover ->
@@ -389,9 +385,7 @@ val copy_external_proof :
   keygen:'key keygen ->
   ?obsolete:bool ->
   ?archived:bool ->
-  ?timelimit:int ->
-  ?steplimit:int ->
-  ?memlimit:int ->
+  ?limit:Call_provers.resource_limit ->
   ?edit:string option ->
   ?goal:'key goal ->
   ?prover:Whyconf.prover ->

src/session/session_scheduler.mli

@@ -133,7 +133,7 @@ module Make(O: OBSERVER) : sig
     O.key env_session -> t ->
     context_unproved_goals_only:bool ->
     cntexample : bool ->
-    timelimit:int -> steplimit:int -> memlimit:int ->
+    limit : Call_provers.resource_limit ->
     Whyconf.prover -> O.key any -> unit
     (** [run_prover es sched p a] runs prover [p] on all goals under [a]
         the proof attempts are only scheduled for running, and they
@@ -170,7 +170,7 @@ module Make(O: OBSERVER) : sig
     O.key Session.env_session -> t -> O.key Session.proof_attempt ->
     ?cntexample : bool ->
     (O.key Session.proof_attempt -> Whyconf.prover ->
-     int * int * int -> Call_provers.prover_result option -> run_external_status -> unit) ->
+     Call_provers.resource_limit -> Call_provers.prover_result option -> run_external_status -> unit) ->
      unit
   (** [run_external_proof_v3 env_session sched pa ?cntexample callback] the
       callback is applied with [callback pa p limits old_result
@@ -188,7 +188,7 @@ module Make(O: OBSERVER) : sig
     O.key env_session -> t ->
     ?callback:(O.key proof_attempt -> proof_attempt_status -> unit) ->
     ?cntexample : bool ->
-    timelimit:int -> steplimit:int -> memlimit:int ->
+    limit : Call_provers.resource_limit ->
     Whyconf.prover -> O.key goal -> unit
   (** [prover_on_goal es sched ?cntexample ?timelimit p g] same as
       {!redo_external_proof} but creates or reuses existing proof_attempt
@@ -287,18 +287,19 @@ module Make(O: OBSERVER) : sig
     use_steps:bool -> (** Replay use recorded number of proof steps *)
     ?filter:(O.key proof_attempt -> bool) ->
     O.key env_session -> t ->
-    callback:((Ident.ident * Whyconf.prover * (int * int * int) * report) list -> unit) ->
+    callback:
+      ((Ident.ident * Whyconf.prover * Call_provers.resource_limit * report) list
+            -> unit) ->
     unit
   (** [check_all session callback] reruns all the proofs of the
         session, and reports for all proofs the current result and the
         new one (does not change the session state). When finished,
         calls the callback with the reports which are 4-uples [(goal
-        name, prover, limits, report)] where [limits] is a triple
-        [(timelimit, memlimit, steplimit)] *)
+        name, prover, limits, report)] *)
 
   val play_all :
     O.key env_session -> t -> callback:(unit-> unit) ->
-    timelimit:int -> steplimit:int -> memlimit:int -> Whyconf.prover list -> unit
+    limit:Call_provers.resource_limit -> Whyconf.prover list -> unit
     (** [play_all es sched l] runs every prover of list [l] on all
         goals and sub-goals of the session, with the given time limit.
         [callback] is called when all tasks are finished.
@@ -307,9 +308,7 @@ module Make(O: OBSERVER) : sig
 
   val schedule_proof_attempt:
     cntexample:bool ->
-    timelimit:int ->
-    memlimit:int ->
-    steplimit:int ->
+    limit:Call_provers.resource_limit ->
     ?old:string ->
     inplace:bool ->
     command:string ->

src/tools/why3prove.ml

@@ -277,9 +277,14 @@ let output_theory drv fname _tname th task dir =
   close_out cout
 
 let do_task drv fname tname (th : Theory.theory) (task : Task.task) =
+  let limit =
+    { Call_provers.limit_time = Some timelimit;