src/HOL/Tools/ATP_Manager/atp_systems.ML
author blanchet
Tue, 29 Jun 2010 10:36:36 +0200
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permissions -rw-r--r--
more precise error message for remote ATPs
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(*  Title:      HOL/Tools/ATP_Manager/atp_systems.ML
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    Author:     Fabian Immler, TU Muenchen
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    Author:     Jasmin Blanchette, TU Muenchen
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Setup for supported ATPs.
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*)
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signature ATP_SYSTEMS =
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sig
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  val trace : bool Unsynchronized.ref
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  val dest_dir : string Config.T
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  val problem_prefix : string Config.T
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  val measure_runtime : bool Config.T
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  val refresh_systems_on_tptp : unit -> unit
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  val default_atps_param_value : unit -> string
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  val setup : theory -> theory
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end;
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structure ATP_Systems : ATP_SYSTEMS =
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struct
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open Clausifier
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open Metis_Clauses
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open Sledgehammer_Util
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open Sledgehammer_Fact_Filter
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open Sledgehammer_TPTP_Format
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open Sledgehammer_Proof_Reconstruct
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open ATP_Manager
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val trace = Unsynchronized.ref false
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fun trace_msg msg = if !trace then tracing (msg ()) else ()
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(** generic ATP **)
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(* external problem files *)
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val (dest_dir, dest_dir_setup) = Attrib.config_string "atp_dest_dir" (K "");
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  (*Empty string means create files in Isabelle's temporary files directory.*)
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val (problem_prefix, problem_prefix_setup) =
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  Attrib.config_string "atp_problem_prefix" (K "prob");
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val (measure_runtime, measure_runtime_setup) =
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  Attrib.config_bool "atp_measure_runtime" (K false);
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(* prover configuration *)
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type prover_config =
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  {home_var: string,
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   executable: string,
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   arguments: bool -> Time.time -> string,
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   proof_delims: (string * string) list,
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   known_failures: (failure * string) list,
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   max_axiom_clauses: int,
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   prefers_theory_relevant: bool};
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(* basic template *)
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val remotify = prefix "remote_"
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fun with_path cleanup after f path =
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  Exn.capture f path
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  |> tap (fn _ => cleanup path)
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  |> Exn.release
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  |> tap (after path)
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(* Splits by the first possible of a list of delimiters. *)
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fun extract_proof delims output =
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  case pairself (find_first (fn s => String.isSubstring s output))
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                (ListPair.unzip delims) of
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    (SOME begin_delim, SOME end_delim) =>
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    (output |> first_field begin_delim |> the |> snd
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            |> first_field end_delim |> the |> fst
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            |> first_field "\n" |> the |> snd
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     handle Option.Option => "")
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  | _ => ""
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fun extract_proof_and_outcome complete res_code proof_delims known_failures
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                              output =
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  case map_filter (fn (failure, pattern) =>
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                      if String.isSubstring pattern output then SOME failure
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                      else NONE) known_failures of
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    [] => (case extract_proof proof_delims output of
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             "" => ("", SOME UnknownError)
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           | proof => if res_code = 0 then (proof, NONE)
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                      else ("", SOME UnknownError))
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  | (failure :: _) =>
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    ("", SOME (if failure = IncompleteUnprovable andalso complete then
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                 Unprovable
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               else
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                 failure))
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fun string_for_failure Unprovable = "The ATP problem is unprovable."
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  | string_for_failure IncompleteUnprovable =
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    "The ATP cannot prove the problem."
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  | string_for_failure CantConnect = "Can't connect to remote ATP."
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  | string_for_failure TimedOut = "Timed out."
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  | string_for_failure OutOfResources = "The ATP ran out of resources."
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  | string_for_failure OldSpass =
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    (* FIXME: Change the error message below to point to the Isabelle download
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       page once the package is there (around the Isabelle2010 release). *)
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    "Warning: Sledgehammer requires a more recent version of SPASS with \
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    \support for the TPTP syntax. To install it, download and untar the \
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    \package \"http://isabelle.in.tum.de/~blanchet/spass-3.7.tgz\" and add the \
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    \\"spass-3.7\" directory's full path to \"" ^
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    Path.implode (Path.expand (Path.appends
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        (Path.variable "ISABELLE_HOME_USER" ::
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         map Path.basic ["etc", "components"]))) ^
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    "\" on a line of its own."
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  | string_for_failure MalformedInput =
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    "Internal Sledgehammer error: The ATP problem is malformed. Please report \
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    \this to the Isabelle developers."
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  | string_for_failure MalformedOutput = "Error: The ATP output is malformed."
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  | string_for_failure UnknownError = "Error: An unknown ATP error occurred."
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fun shape_of_clauses _ [] = []
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  | shape_of_clauses j ([] :: clauses) = [] :: shape_of_clauses j clauses
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  | shape_of_clauses j ((_ :: lits) :: clauses) =
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    let val shape = shape_of_clauses (j + 1) (lits :: clauses) in
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      (j :: hd shape) :: tl shape
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    end
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(* Clause preparation *)
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fun make_clause_table xs =
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  fold (Termtab.update o `(prop_of o snd)) xs Termtab.empty
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(* Remove existing axiom clauses from the conjecture clauses, as this can
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   dramatically boost an ATP's performance (for some reason). *)
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fun subtract_cls ax_clauses =
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  filter_out (Termtab.defined (make_clause_table ax_clauses) o prop_of)
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fun is_false_literal (Literal (pos, CombConst ((c, _), _, _))) =
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      (pos andalso c = "c_False") orelse (not pos andalso c = "c_True")
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  | is_false_literal _ = false
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fun is_true_literal (Literal (pol, CombConst ((c, _), _, _))) =
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      (pol andalso c = "c_True") orelse
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      (not pol andalso c = "c_False")
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  | is_true_literal _ = false;
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fun is_tautology (HOLClause {literals,...}) = exists is_true_literal literals
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(* making axiom and conjecture clauses *)
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fun make_clause thy (clause_id, axiom_name, kind, th) skolems =
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  let
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    val (skolems, t) = th |> prop_of |> conceal_skolem_terms clause_id skolems
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    val (lits, ctypes_sorts) = literals_of_term thy t
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  in
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    if forall is_false_literal lits then
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      raise TRIVIAL ()
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    else
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      (skolems,
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       HOLClause {clause_id = clause_id, axiom_name = axiom_name, th = th,
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                  kind = kind, literals = lits, ctypes_sorts = ctypes_sorts})
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  end
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fun add_axiom_clause thy ((name, k), th) (skolems, clss) =
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  let
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    val (skolems, cls) = make_clause thy (k, name, Axiom, th) skolems
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  in (skolems, clss |> not (is_tautology cls) ? cons (name, cls)) end
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fun make_axiom_clauses thy clauses =
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  ([], []) |> fold_rev (add_axiom_clause thy) clauses |> snd
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fun make_conjecture_clauses thy =
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  let
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    fun aux _ _ [] = []
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      | aux n skolems (th :: ths) =
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        let
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          val (skolems, cls) =
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            make_clause thy (n, "conjecture", Conjecture, th) skolems
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        in cls :: aux (n + 1) skolems ths end
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  in aux 0 [] end
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(** Helper clauses **)
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fun count_combterm (CombConst ((c, _), _, _)) =
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    Symtab.map_entry c (Integer.add 1)
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  | count_combterm (CombVar _) = I
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  | count_combterm (CombApp (t1, t2)) = count_combterm t1 #> count_combterm t2
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fun count_literal (Literal (_, t)) = count_combterm t
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fun count_clause (HOLClause {literals, ...}) = fold count_literal literals
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fun cnf_helper_thms thy raw =
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  map (`Thm.get_name_hint)
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  #> (if raw then  map (apfst (rpair 0)) else cnf_rules_pairs thy)
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val optional_helpers =
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  [(["c_COMBI", "c_COMBK"], (false, @{thms COMBI_def COMBK_def})),
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   (["c_COMBB", "c_COMBC"], (false, @{thms COMBB_def COMBC_def})),
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   (["c_COMBS"], (false, @{thms COMBS_def}))]
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val optional_typed_helpers =
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  [(["c_True", "c_False"], (true, @{thms True_or_False})),
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   (["c_If"], (true, @{thms if_True if_False True_or_False}))]
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val mandatory_helpers = @{thms fequal_imp_equal equal_imp_fequal}
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val init_counters =
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  Symtab.make (maps (maps (map (rpair 0) o fst))
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                    [optional_helpers, optional_typed_helpers])
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fun get_helper_clauses thy is_FO full_types conjectures axcls =
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  let
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    val axclauses = map snd (make_axiom_clauses thy axcls)
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    val ct = fold (fold count_clause) [conjectures, axclauses] init_counters
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    fun is_needed c = the (Symtab.lookup ct c) > 0
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    val cnfs =
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      (optional_helpers
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       |> full_types ? append optional_typed_helpers
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       |> maps (fn (ss, (raw, ths)) =>
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                   if exists is_needed ss then cnf_helper_thms thy raw ths
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                   else []))
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      @ (if is_FO then [] else cnf_helper_thms thy false mandatory_helpers)
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  in map snd (make_axiom_clauses thy cnfs) end
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(* prepare for passing to writer,
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   create additional clauses based on the information from extra_cls *)
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fun prepare_clauses full_types goal_cls axcls extra_cls thy =
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  let
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    val is_FO = forall (Meson.is_fol_term thy o prop_of) goal_cls
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    val ccls = subtract_cls extra_cls goal_cls
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    val _ = app (fn th => trace_msg (fn _ => Display.string_of_thm_global thy th)) ccls
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    val ccltms = map prop_of ccls
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    and axtms = map (prop_of o snd) extra_cls
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    val subs = tfree_classes_of_terms ccltms
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    and supers = tvar_classes_of_terms axtms
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    and tycons = type_consts_of_terms thy (ccltms @ axtms)
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    (*TFrees in conjecture clauses; TVars in axiom clauses*)
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    val conjectures = make_conjecture_clauses thy ccls
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    val (_, extra_clauses) = ListPair.unzip (make_axiom_clauses thy extra_cls)
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    val (clnames, axiom_clauses) = ListPair.unzip (make_axiom_clauses thy axcls)
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    val helper_clauses =
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      get_helper_clauses thy is_FO full_types conjectures extra_cls
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    val (supers', arity_clauses) = make_arity_clauses thy tycons supers
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    val classrel_clauses = make_classrel_clauses thy subs supers'
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  in
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    (Vector.fromList clnames,
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      (conjectures, axiom_clauses, extra_clauses, helper_clauses, classrel_clauses, arity_clauses))
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  end
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(* generic TPTP-based provers *)
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fun generic_tptp_prover
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        (name, {home_var, executable, arguments, proof_delims, known_failures,
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                max_axiom_clauses, prefers_theory_relevant})
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        ({debug, overlord, full_types, explicit_apply, relevance_threshold,
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          relevance_convergence, theory_relevant, defs_relevant, isar_proof,
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          isar_shrink_factor, ...} : params)
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        minimize_command timeout
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        ({subgoal, goal, relevance_override, axiom_clauses, filtered_clauses}
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         : problem) =
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  let
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    (* get clauses and prepare them for writing *)
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    val (ctxt, (_, th)) = goal;
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    val thy = ProofContext.theory_of ctxt;
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    val goal_clss = #1 (neg_conjecture_clauses ctxt th subgoal)
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    val goal_cls = List.concat goal_clss
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    val the_filtered_clauses =
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      case filtered_clauses of
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        SOME fcls => fcls
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      | NONE => relevant_facts full_types relevance_threshold
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                    relevance_convergence defs_relevant max_axiom_clauses
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                    (the_default prefers_theory_relevant theory_relevant)
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                    relevance_override goal goal_cls
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                |> cnf_rules_pairs thy
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    val the_axiom_clauses = axiom_clauses |> the_default the_filtered_clauses
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    val (internal_thm_names, clauses) =
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      prepare_clauses full_types goal_cls the_axiom_clauses the_filtered_clauses
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                      thy
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    (* path to unique problem file *)
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    val the_dest_dir = if overlord then getenv "ISABELLE_HOME_USER"
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                       else Config.get ctxt dest_dir;
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    val the_problem_prefix = Config.get ctxt problem_prefix;
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    fun prob_pathname nr =
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      let
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        val probfile =
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          Path.basic ((if overlord then "prob_" ^ name
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                       else the_problem_prefix ^ serial_string ())
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                      ^ "_" ^ string_of_int nr)
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      in
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        if the_dest_dir = "" then File.tmp_path probfile
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        else if File.exists (Path.explode the_dest_dir)
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        then Path.append (Path.explode the_dest_dir) probfile
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        else error ("No such directory: " ^ the_dest_dir ^ ".")
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      end;
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    val home = getenv home_var
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    val command = Path.explode (home ^ "/" ^ executable)
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    (* write out problem file and call prover *)
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    fun command_line complete probfile =
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      let
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        val core = File.shell_path command ^ " " ^ arguments complete timeout ^
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                   " " ^ File.shell_path probfile
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      in
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        (if Config.get ctxt measure_runtime then
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           "TIMEFORMAT='%3U'; { time " ^ core ^ " ; }"
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         else
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           "exec " ^ core) ^ " 2>&1" ^
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        (if overlord then
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           " | sed 's/,/, /g' \
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           \| sed 's/\\([^!=<]\\)\\([=|]\\)\\([^=>]\\)/\\1 \\2 \\3/g' \
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           \| sed 's/  / /g' | sed 's/| |/||/g' \
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           \| sed 's/ = = =/===/g' \
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   307
           \| sed 's/= = /== /g'"
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   308
         else
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   309
           "")
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   310
      end
32510
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    fun split_time s =
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      let
32942
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        val split = String.tokens (fn c => str c = "\n");
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        val (output, t) = s |> split |> split_last |> apfst cat_lines;
32942
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   315
        fun as_num f = f >> (fst o read_int);
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        val num = as_num (Scan.many1 Symbol.is_ascii_digit);
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   317
        val digit = Scan.one Symbol.is_ascii_digit;
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   318
        val num3 = as_num (digit ::: digit ::: (digit >> single));
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   319
        val time = num --| Scan.$$ "." -- num3 >> (fn (a, b) => a * 1000 + b);
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   320
        val as_time = the_default 0 o Scan.read Symbol.stopper time o explode;
36369
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   321
      in (output, as_time t) end;
32458
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   322
    fun run_on probfile =
36289
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   323
      if File.exists command then
37514
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   324
        let
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   325
          fun do_run complete =
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   326
            let
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   327
              val command = command_line complete probfile
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   328
              val ((output, msecs), res_code) =
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   329
                bash_output command
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   330
                |>> (if overlord then
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   331
                       prefix ("% " ^ command ^ "\n% " ^ timestamp () ^ "\n")
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   332
                     else
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   333
                       I)
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   334
                |>> (if Config.get ctxt measure_runtime then split_time
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   335
                     else rpair 0)
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   336
              val (proof, outcome) =
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   337
                extract_proof_and_outcome complete res_code proof_delims
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   338
                                          known_failures output
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   339
            in (output, msecs, proof, outcome) end
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   340
          val (pool, conjecture_offset) =
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   341
            write_tptp_file (debug andalso overlord) full_types explicit_apply
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   342
                            probfile clauses
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   343
          val conjecture_shape = shape_of_clauses (conjecture_offset + 1) goal_clss
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   344
          val result =
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   345
            do_run false
37550
fc2f979b9a08 split SPASS time slot between SOS and non-SOS, in case SOS times out
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   346
            |> (fn (_, msecs0, _, SOME _) =>
37514
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   347
                   do_run true
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   348
                   |> (fn (output, msecs, proof, outcome) =>
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   349
                          (output, msecs0 + msecs, proof, outcome))
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   350
                 | result => result)
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   351
        in ((pool, conjecture_shape), result) end
36917
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   352
      else if home = "" then
8674cdb0b8cc query _HOME environment variables at run-time, not at build-time
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   353
        error ("The environment variable " ^ quote home_var ^ " is not set.")
36382
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   354
      else
b90fc0d75bca cosmetics
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   355
        error ("Bad executable: " ^ Path.implode command ^ ".");
28592
824f8390aaa2 renamed AtpThread to AtpWrapper;
wenzelm
parents:
diff changeset
   356
36167
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   357
    (* If the problem file has not been exported, remove it; otherwise, export
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   358
       the proof file too. *)
36376
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diff changeset
   359
    fun cleanup probfile =
e83d52a52449 renamed module "ATP_Wrapper" to "ATP_Systems"
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diff changeset
   360
      if the_dest_dir = "" then try File.rm probfile else NONE
37514
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   361
    fun export probfile (_, (output, _, _, _)) =
36376
e83d52a52449 renamed module "ATP_Wrapper" to "ATP_Systems"
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diff changeset
   362
      if the_dest_dir = "" then
36187
4deef08608ee added timestamp to proof
blanchet
parents: 36169
diff changeset
   363
        ()
4deef08608ee added timestamp to proof
blanchet
parents: 36169
diff changeset
   364
      else
37514
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diff changeset
   365
        File.write (Path.explode (Path.implode probfile ^ "_proof")) output
32257
bad5a99c16d8 neg_conjecture_clauses, neg_clausify_tac: proper context, eliminated METAHYPS;
wenzelm
parents: 32091
diff changeset
   366
37514
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   367
    val ((pool, conjecture_shape), (output, msecs, proof, outcome)) =
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diff changeset
   368
      with_path cleanup export run_on (prob_pathname subgoal)
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diff changeset
   369
35969
c9565298df9e added support for Sledgehammer parameters;
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   370
    val (message, relevant_thm_names) =
36370
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   371
      case outcome of
36400
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   372
        NONE =>
c5bae529f967 rename options and keep track of conjecture shape (to facilitate proof reconstruction)
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   373
        proof_text isar_proof
37480
d5a85d35ef62 thread "full_types"
blanchet
parents: 37415
diff changeset
   374
            (pool, debug, isar_shrink_factor, ctxt, conjecture_shape)
d5a85d35ef62 thread "full_types"
blanchet
parents: 37415
diff changeset
   375
            (full_types, minimize_command, proof, internal_thm_names, th,
d5a85d35ef62 thread "full_types"
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diff changeset
   376
             subgoal)
36370
a4f601daa175 centralized ATP-specific error handling in "atp_wrapper.ML"
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   377
      | SOME failure => (string_for_failure failure ^ "\n", [])
32864
a226f29d4bdc re-organized signature of AtpWrapper structure: records instead of unnamed parameters and return values,
boehmes
parents: 32740
diff changeset
   378
  in
36393
be73a2b2443b support readable names even when Isar proof reconstruction is enabled -- useful for debugging
blanchet
parents: 36382
diff changeset
   379
    {outcome = outcome, message = message, pool = pool,
37514
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diff changeset
   380
     relevant_thm_names = relevant_thm_names, atp_run_time_in_msecs = msecs,
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   381
     output = output, proof = proof, internal_thm_names = internal_thm_names,
36400
c5bae529f967 rename options and keep track of conjecture shape (to facilitate proof reconstruction)
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   382
     conjecture_shape = conjecture_shape,
35969
c9565298df9e added support for Sledgehammer parameters;
blanchet
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   383
     filtered_clauses = the_filtered_clauses}
37499
5ff37037fbec merge "generic_prover" and "generic_tptp_prover"
blanchet
parents: 37498
diff changeset
   384
  end
28596
fcd463a6b6de tuned interfaces -- plain prover function, without thread;
wenzelm
parents: 28592
diff changeset
   385
35969
c9565298df9e added support for Sledgehammer parameters;
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diff changeset
   386
fun tptp_prover name p = (name, generic_tptp_prover (name, p));
28596
fcd463a6b6de tuned interfaces -- plain prover function, without thread;
wenzelm
parents: 28592
diff changeset
   387
36382
b90fc0d75bca cosmetics
blanchet
parents: 36377
diff changeset
   388
fun to_generous_secs time = (Time.toMilliseconds time + 999) div 1000
36142
f5e15e9aae10 make Sledgehammer "minimize" output less confusing + round up (not down) time limits to nearest second
blanchet
parents: 36064
diff changeset
   389
28596
fcd463a6b6de tuned interfaces -- plain prover function, without thread;
wenzelm
parents: 28592
diff changeset
   390
(* E prover *)
fcd463a6b6de tuned interfaces -- plain prover function, without thread;
wenzelm
parents: 28592
diff changeset
   391
36369
d2cd0d04b8e6 handle ATP proof delimiters in a cleaner, more extensible fashion
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   392
val tstp_proof_delims =
d2cd0d04b8e6 handle ATP proof delimiters in a cleaner, more extensible fashion
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   393
  ("# SZS output start CNFRefutation.", "# SZS output end CNFRefutation")
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diff changeset
   394
35969
c9565298df9e added support for Sledgehammer parameters;
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diff changeset
   395
val e_config : prover_config =
36917
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diff changeset
   396
  {home_var = "E_HOME",
36289
f75b6a3e1450 set "atps" reference's default value to "(remote_)e (remote_)spass (remote_)vampire", based on what is installed
blanchet
parents: 36287
diff changeset
   397
   executable = "eproof",
37514
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parents: 37509
diff changeset
   398
   arguments = fn _ => fn timeout =>
36382
b90fc0d75bca cosmetics
blanchet
parents: 36377
diff changeset
   399
     "--tstp-in --tstp-out -l5 -xAutoDev -tAutoDev --silent --cpu-limit=" ^
b90fc0d75bca cosmetics
blanchet
parents: 36377
diff changeset
   400
     string_of_int (to_generous_secs timeout),
36369
d2cd0d04b8e6 handle ATP proof delimiters in a cleaner, more extensible fashion
blanchet
parents: 36289
diff changeset
   401
   proof_delims = [tstp_proof_delims],
36265
41c9e755e552 distinguish between the different ATP errors in the user interface;
blanchet
parents: 36264
diff changeset
   402
   known_failures =
36370
a4f601daa175 centralized ATP-specific error handling in "atp_wrapper.ML"
blanchet
parents: 36369
diff changeset
   403
     [(Unprovable, "SZS status: Satisfiable"),
a4f601daa175 centralized ATP-specific error handling in "atp_wrapper.ML"
blanchet
parents: 36369
diff changeset
   404
      (Unprovable, "SZS status Satisfiable"),
a4f601daa175 centralized ATP-specific error handling in "atp_wrapper.ML"
blanchet
parents: 36369
diff changeset
   405
      (TimedOut, "Failure: Resource limit exceeded (time)"),
a4f601daa175 centralized ATP-specific error handling in "atp_wrapper.ML"
blanchet
parents: 36369
diff changeset
   406
      (TimedOut, "time limit exceeded"),
a4f601daa175 centralized ATP-specific error handling in "atp_wrapper.ML"
blanchet
parents: 36369
diff changeset
   407
      (OutOfResources,
a4f601daa175 centralized ATP-specific error handling in "atp_wrapper.ML"
blanchet
parents: 36369
diff changeset
   408
       "# Cannot determine problem status within resource limit"),
a4f601daa175 centralized ATP-specific error handling in "atp_wrapper.ML"
blanchet
parents: 36369
diff changeset
   409
      (OutOfResources, "SZS status: ResourceOut"),
a4f601daa175 centralized ATP-specific error handling in "atp_wrapper.ML"
blanchet
parents: 36369
diff changeset
   410
      (OutOfResources, "SZS status ResourceOut")],
36382
b90fc0d75bca cosmetics
blanchet
parents: 36377
diff changeset
   411
   max_axiom_clauses = 100,
36289
f75b6a3e1450 set "atps" reference's default value to "(remote_)e (remote_)spass (remote_)vampire", based on what is installed
blanchet
parents: 36287
diff changeset
   412
   prefers_theory_relevant = false}
35969
c9565298df9e added support for Sledgehammer parameters;
blanchet
parents: 35869
diff changeset
   413
val e = tptp_prover "e" e_config
28596
fcd463a6b6de tuned interfaces -- plain prover function, without thread;
wenzelm
parents: 28592
diff changeset
   414
fcd463a6b6de tuned interfaces -- plain prover function, without thread;
wenzelm
parents: 28592
diff changeset
   415
36219
16670b4f0baa set SPASS option on the command-line, so that it doesn't vanish when moving to TPTP format
blanchet
parents: 36190
diff changeset
   416
(* The "-VarWeight=3" option helps the higher-order problems, probably by
16670b4f0baa set SPASS option on the command-line, so that it doesn't vanish when moving to TPTP format
blanchet
parents: 36190
diff changeset
   417
   counteracting the presence of "hAPP". *)
37498
b426cbdb5a23 removed Sledgehammer's support for the DFG syntax;
blanchet
parents: 37480
diff changeset
   418
val spass_config : prover_config =
36917
8674cdb0b8cc query _HOME environment variables at run-time, not at build-time
blanchet
parents: 36910
diff changeset
   419
  {home_var = "SPASS_HOME",
36289
f75b6a3e1450 set "atps" reference's default value to "(remote_)e (remote_)spass (remote_)vampire", based on what is installed
blanchet
parents: 36287
diff changeset
   420
   executable = "SPASS",
37550
fc2f979b9a08 split SPASS time slot between SOS and non-SOS, in case SOS times out
blanchet
parents: 37514
diff changeset
   421
   (* "div 2" accounts for the fact that SPASS is often run twice. *)
37514
b147d01b8ebc if SPASS fails at finding a proof with the SOS option turned on, turn it off and try again
blanchet
parents: 37509
diff changeset
   422
   arguments = fn complete => fn timeout =>
b147d01b8ebc if SPASS fails at finding a proof with the SOS option turned on, turn it off and try again
blanchet
parents: 37509
diff changeset
   423
     ("-TPTP -Auto -PGiven=0 -PProblem=0 -Splits=0 -FullRed=0 -DocProof \
37550
fc2f979b9a08 split SPASS time slot between SOS and non-SOS, in case SOS times out
blanchet
parents: 37514
diff changeset
   424
      \-VarWeight=3 -TimeLimit=" ^
fc2f979b9a08 split SPASS time slot between SOS and non-SOS, in case SOS times out
blanchet
parents: 37514
diff changeset
   425
      string_of_int (to_generous_secs timeout div 2))
37514
b147d01b8ebc if SPASS fails at finding a proof with the SOS option turned on, turn it off and try again
blanchet
parents: 37509
diff changeset
   426
     |> not complete ? prefix "-SOS=1 ",
36369
d2cd0d04b8e6 handle ATP proof delimiters in a cleaner, more extensible fashion
blanchet
parents: 36289
diff changeset
   427
   proof_delims = [("Here is a proof", "Formulae used in the proof")],
36289
f75b6a3e1450 set "atps" reference's default value to "(remote_)e (remote_)spass (remote_)vampire", based on what is installed
blanchet
parents: 36287
diff changeset
   428
   known_failures =
37413
e856582fe9c4 improve ATP-specific error messages
blanchet
parents: 37347
diff changeset
   429
     [(IncompleteUnprovable, "SPASS beiseite: Completion found"),
36370
a4f601daa175 centralized ATP-specific error handling in "atp_wrapper.ML"
blanchet
parents: 36369
diff changeset
   430
      (TimedOut, "SPASS beiseite: Ran out of time"),
36965
67ae217c6b5c identify common SPASS error more clearly
blanchet
parents: 36924
diff changeset
   431
      (OutOfResources, "SPASS beiseite: Maximal number of loops exceeded"),
37413
e856582fe9c4 improve ATP-specific error messages
blanchet
parents: 37347
diff changeset
   432
      (MalformedInput, "Undefined symbol"),
37414
d0cea0796295 expect SPASS 3.7, and give a friendly warning if an older version is used
blanchet
parents: 37413
diff changeset
   433
      (MalformedInput, "Free Variable"),
d0cea0796295 expect SPASS 3.7, and give a friendly warning if an older version is used
blanchet
parents: 37413
diff changeset
   434
      (OldSpass, "unrecognized option `-TPTP'"),
d0cea0796295 expect SPASS 3.7, and give a friendly warning if an older version is used
blanchet
parents: 37413
diff changeset
   435
      (OldSpass, "Unrecognized option TPTP")],
36382
b90fc0d75bca cosmetics
blanchet
parents: 36377
diff changeset
   436
   max_axiom_clauses = 40,
36289
f75b6a3e1450 set "atps" reference's default value to "(remote_)e (remote_)spass (remote_)vampire", based on what is installed
blanchet
parents: 36287
diff changeset
   437
   prefers_theory_relevant = true}
37414
d0cea0796295 expect SPASS 3.7, and give a friendly warning if an older version is used
blanchet
parents: 37413
diff changeset
   438
val spass = tptp_prover "spass" spass_config
28596
fcd463a6b6de tuned interfaces -- plain prover function, without thread;
wenzelm
parents: 28592
diff changeset
   439
37509
f39464d971c4 factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents: 37506
diff changeset
   440
(* Vampire *)
f39464d971c4 factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents: 37506
diff changeset
   441
f39464d971c4 factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents: 37506
diff changeset
   442
val vampire_config : prover_config =
f39464d971c4 factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents: 37506
diff changeset
   443
  {home_var = "VAMPIRE_HOME",
f39464d971c4 factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents: 37506
diff changeset
   444
   executable = "vampire",
37514
b147d01b8ebc if SPASS fails at finding a proof with the SOS option turned on, turn it off and try again
blanchet
parents: 37509
diff changeset
   445
   arguments = fn _ => fn timeout =>
37509
f39464d971c4 factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents: 37506
diff changeset
   446
     "--output_syntax tptp --mode casc -t " ^
f39464d971c4 factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents: 37506
diff changeset
   447
     string_of_int (to_generous_secs timeout),
f39464d971c4 factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents: 37506
diff changeset
   448
   proof_delims =
f39464d971c4 factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents: 37506
diff changeset
   449
     [("=========== Refutation ==========",
f39464d971c4 factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents: 37506
diff changeset
   450
       "======= End of refutation ======="),
f39464d971c4 factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents: 37506
diff changeset
   451
      ("% SZS output start Refutation", "% SZS output end Refutation")],
f39464d971c4 factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents: 37506
diff changeset
   452
   known_failures =
f39464d971c4 factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents: 37506
diff changeset
   453
     [(Unprovable, "UNPROVABLE"),
f39464d971c4 factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents: 37506
diff changeset
   454
      (IncompleteUnprovable, "CANNOT PROVE"),
f39464d971c4 factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents: 37506
diff changeset
   455
      (Unprovable, "Satisfiability detected"),
f39464d971c4 factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents: 37506
diff changeset
   456
      (OutOfResources, "Refutation not found")],
f39464d971c4 factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents: 37506
diff changeset
   457
   max_axiom_clauses = 60,
f39464d971c4 factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents: 37506
diff changeset
   458
   prefers_theory_relevant = false}
f39464d971c4 factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents: 37506
diff changeset
   459
val vampire = tptp_prover "vampire" vampire_config
f39464d971c4 factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents: 37506
diff changeset
   460
f39464d971c4 factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents: 37506
diff changeset
   461
(* Remote prover invocation via SystemOnTPTP *)
28596
fcd463a6b6de tuned interfaces -- plain prover function, without thread;
wenzelm
parents: 28592
diff changeset
   462
36376
e83d52a52449 renamed module "ATP_Wrapper" to "ATP_Systems"
blanchet
parents: 36371
diff changeset
   463
val systems = Synchronized.var "atp_systems" ([]: string list);
31835
b686d4df54c2 check for current versions on server
immler@in.tum.de
parents: 31832
diff changeset
   464
b686d4df54c2 check for current versions on server
immler@in.tum.de
parents: 31832
diff changeset
   465
fun get_systems () =
36370
a4f601daa175 centralized ATP-specific error handling in "atp_wrapper.ML"
blanchet
parents: 36369
diff changeset
   466
  case bash_output "\"$ISABELLE_ATP_MANAGER/SystemOnTPTP\" -w" of
a4f601daa175 centralized ATP-specific error handling in "atp_wrapper.ML"
blanchet
parents: 36369
diff changeset
   467
    (answer, 0) => split_lines answer
a4f601daa175 centralized ATP-specific error handling in "atp_wrapper.ML"
blanchet
parents: 36369
diff changeset
   468
  | (answer, _) =>
37627
1d1754ccd233 more precise error message for remote ATPs
blanchet
parents: 37625
diff changeset
   469
    error ("Failed to get available systems at SystemOnTPTP:\n" ^
1d1754ccd233 more precise error message for remote ATPs
blanchet
parents: 37625
diff changeset
   470
           perhaps (try (unsuffix "\n")) answer)
31835
b686d4df54c2 check for current versions on server
immler@in.tum.de
parents: 31832
diff changeset
   471
35867
16279c4c7a33 move all ATP setup code into ATP_Wrapper
blanchet
parents: 35865
diff changeset
   472
fun refresh_systems_on_tptp () =
37509
f39464d971c4 factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents: 37506
diff changeset
   473
  Synchronized.change systems (fn _ => get_systems ())
31835
b686d4df54c2 check for current versions on server
immler@in.tum.de
parents: 31832
diff changeset
   474
b686d4df54c2 check for current versions on server
immler@in.tum.de
parents: 31832
diff changeset
   475
fun get_system prefix = Synchronized.change_result systems (fn systems =>
32864
a226f29d4bdc re-organized signature of AtpWrapper structure: records instead of unnamed parameters and return values,
boehmes
parents: 32740
diff changeset
   476
  (if null systems then get_systems () else systems)
32942
b6711ec9de26 misc tuning and recovery of Isabelle coding style;
wenzelm
parents: 32941
diff changeset
   477
  |> `(find_first (String.isPrefix prefix)));
32864
a226f29d4bdc re-organized signature of AtpWrapper structure: records instead of unnamed parameters and return values,
boehmes
parents: 32740
diff changeset
   478
32948
e95a4be101a8 natural argument order for prover;
wenzelm
parents: 32944
diff changeset
   479
fun the_system prefix =
32864
a226f29d4bdc re-organized signature of AtpWrapper structure: records instead of unnamed parameters and return values,
boehmes
parents: 32740
diff changeset
   480
  (case get_system prefix of
37509
f39464d971c4 factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents: 37506
diff changeset
   481
    NONE => error ("System " ^ quote prefix ^ " not available at SystemOnTPTP.")
32942
b6711ec9de26 misc tuning and recovery of Isabelle coding style;
wenzelm
parents: 32941
diff changeset
   482
  | SOME sys => sys);
31835
b686d4df54c2 check for current versions on server
immler@in.tum.de
parents: 31832
diff changeset
   483
36265
41c9e755e552 distinguish between the different ATP errors in the user interface;
blanchet
parents: 36264
diff changeset
   484
val remote_known_failures =
37627
1d1754ccd233 more precise error message for remote ATPs
blanchet
parents: 37625
diff changeset
   485
  [(CantConnect, "HTTP-Error"),
1d1754ccd233 more precise error message for remote ATPs
blanchet
parents: 37625
diff changeset
   486
   (TimedOut, "says Timeout"),
36377
b3dce4c715d0 now rename the file "atp_wrapper.ML" to "atp_systems.ML" + fix typo in "SystemOnTPTP" script
blanchet
parents: 36376
diff changeset
   487
   (MalformedOutput, "Remote script could not extract proof")]
35865
2f8fb5242799 more Sledgehammer refactoring
blanchet
parents: 35826
diff changeset
   488
37509
f39464d971c4 factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents: 37506
diff changeset
   489
fun remote_config atp_prefix args
36382
b90fc0d75bca cosmetics
blanchet
parents: 36377
diff changeset
   490
        ({proof_delims, known_failures, max_axiom_clauses,
36369
d2cd0d04b8e6 handle ATP proof delimiters in a cleaner, more extensible fashion
blanchet
parents: 36289
diff changeset
   491
          prefers_theory_relevant, ...} : prover_config) : prover_config =
36917
8674cdb0b8cc query _HOME environment variables at run-time, not at build-time
blanchet
parents: 36910
diff changeset
   492
  {home_var = "ISABELLE_ATP_MANAGER",
36289
f75b6a3e1450 set "atps" reference's default value to "(remote_)e (remote_)spass (remote_)vampire", based on what is installed
blanchet
parents: 36287
diff changeset
   493
   executable = "SystemOnTPTP",
37514
b147d01b8ebc if SPASS fails at finding a proof with the SOS option turned on, turn it off and try again
blanchet
parents: 37509
diff changeset
   494
   arguments = fn _ => fn timeout =>
36382
b90fc0d75bca cosmetics
blanchet
parents: 36377
diff changeset
   495
     args ^ " -t " ^ string_of_int (to_generous_secs timeout) ^ " -s " ^
b90fc0d75bca cosmetics
blanchet
parents: 36377
diff changeset
   496
     the_system atp_prefix,
36369
d2cd0d04b8e6 handle ATP proof delimiters in a cleaner, more extensible fashion
blanchet
parents: 36289
diff changeset
   497
   proof_delims = insert (op =) tstp_proof_delims proof_delims,
36265
41c9e755e552 distinguish between the different ATP errors in the user interface;
blanchet
parents: 36264
diff changeset
   498
   known_failures = remote_known_failures @ known_failures,
36382
b90fc0d75bca cosmetics
blanchet
parents: 36377
diff changeset
   499
   max_axiom_clauses = max_axiom_clauses,
36289
f75b6a3e1450 set "atps" reference's default value to "(remote_)e (remote_)spass (remote_)vampire", based on what is installed
blanchet
parents: 36287
diff changeset
   500
   prefers_theory_relevant = prefers_theory_relevant}
28596
fcd463a6b6de tuned interfaces -- plain prover function, without thread;
wenzelm
parents: 28592
diff changeset
   501
37509
f39464d971c4 factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents: 37506
diff changeset
   502
fun remote_tptp_prover prover atp_prefix args config =
f39464d971c4 factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents: 37506
diff changeset
   503
  tptp_prover (remotify (fst prover)) (remote_config atp_prefix args config)
32864
a226f29d4bdc re-organized signature of AtpWrapper structure: records instead of unnamed parameters and return values,
boehmes
parents: 32740
diff changeset
   504
37509
f39464d971c4 factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents: 37506
diff changeset
   505
val remote_e = remote_tptp_prover e "EP---" "" e_config
f39464d971c4 factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents: 37506
diff changeset
   506
val remote_spass = remote_tptp_prover spass "SPASS---" "-x" spass_config
f39464d971c4 factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents: 37506
diff changeset
   507
val remote_vampire = remote_tptp_prover vampire "Vampire---9" "" vampire_config
28592
824f8390aaa2 renamed AtpThread to AtpWrapper;
wenzelm
parents:
diff changeset
   508
36917
8674cdb0b8cc query _HOME environment variables at run-time, not at build-time
blanchet
parents: 36910
diff changeset
   509
fun maybe_remote (name, _) ({home_var, ...} : prover_config) =
8674cdb0b8cc query _HOME environment variables at run-time, not at build-time
blanchet
parents: 36910
diff changeset
   510
  name |> getenv home_var = "" ? remotify
36371
8c83ea1a7740 move the Sledgehammer menu options to "sledgehammer_isar.ML"
blanchet
parents: 36370
diff changeset
   511
8c83ea1a7740 move the Sledgehammer menu options to "sledgehammer_isar.ML"
blanchet
parents: 36370
diff changeset
   512
fun default_atps_param_value () =
8c83ea1a7740 move the Sledgehammer menu options to "sledgehammer_isar.ML"
blanchet
parents: 36370
diff changeset
   513
  space_implode " " [maybe_remote e e_config, maybe_remote spass spass_config,
8c83ea1a7740 move the Sledgehammer menu options to "sledgehammer_isar.ML"
blanchet
parents: 36370
diff changeset
   514
                     remotify (fst vampire)]
8c83ea1a7740 move the Sledgehammer menu options to "sledgehammer_isar.ML"
blanchet
parents: 36370
diff changeset
   515
37509
f39464d971c4 factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents: 37506
diff changeset
   516
val provers = [e, spass, vampire, remote_e, remote_spass, remote_vampire]
35867
16279c4c7a33 move all ATP setup code into ATP_Wrapper
blanchet
parents: 35865
diff changeset
   517
val prover_setup = fold add_prover provers
16279c4c7a33 move all ATP setup code into ATP_Wrapper
blanchet
parents: 35865
diff changeset
   518
16279c4c7a33 move all ATP setup code into ATP_Wrapper
blanchet
parents: 35865
diff changeset
   519
val setup =
36376
e83d52a52449 renamed module "ATP_Wrapper" to "ATP_Systems"
blanchet
parents: 36371
diff changeset
   520
  dest_dir_setup
35867
16279c4c7a33 move all ATP setup code into ATP_Wrapper
blanchet
parents: 35865
diff changeset
   521
  #> problem_prefix_setup
16279c4c7a33 move all ATP setup code into ATP_Wrapper
blanchet
parents: 35865
diff changeset
   522
  #> measure_runtime_setup
36371
8c83ea1a7740 move the Sledgehammer menu options to "sledgehammer_isar.ML"
blanchet
parents: 36370
diff changeset
   523
  #> prover_setup
35867
16279c4c7a33 move all ATP setup code into ATP_Wrapper
blanchet
parents: 35865
diff changeset
   524
28592
824f8390aaa2 renamed AtpThread to AtpWrapper;
wenzelm
parents:
diff changeset
   525
end;