src/HOL/Tools/Sledgehammer/sledgehammer_mash.ML
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(*  Title:      HOL/Tools/Sledgehammer/sledgehammer_mash.ML
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    Author:     Jasmin Blanchette, TU Muenchen
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Sledgehammer's machine-learning-based relevance filter (MaSh).
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*)
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signature SLEDGEHAMMER_MASH =
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sig
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  type stature = ATP_Problem_Generate.stature
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  type fact = Sledgehammer_Fact.fact
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  type fact_override = Sledgehammer_Fact.fact_override
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  type params = Sledgehammer_Provers.params
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  type relevance_fudge = Sledgehammer_Provers.relevance_fudge
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  type prover_result = Sledgehammer_Provers.prover_result
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  val trace : bool Config.T
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  val MaShN : string
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  val mepoN : string
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  val mashN : string
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  val meshN : string
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  val unlearnN : string
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  val learn_isarN : string
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  val learn_atpN : string
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  val relearn_isarN : string
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  val relearn_atpN : string
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  val fact_filters : string list
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  val escape_meta : string -> string
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  val escape_metas : string list -> string
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  val unescape_meta : string -> string
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  val unescape_metas : string -> string list
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  val extract_query : string -> string * (string * real) list
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  val nickname_of : thm -> string
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  val suggested_facts :
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    (string * 'a) list -> ('b * thm) list -> (('b * thm) * 'a) list
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  val mesh_facts :
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    int -> ((('a * thm) * real) list * ('a * thm) list) list -> ('a * thm) list
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  val theory_ord : theory * theory -> order
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  val thm_ord : thm * thm -> order
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  val goal_of_thm : theory -> thm -> thm
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  val run_prover_for_mash :
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    Proof.context -> params -> string -> fact list -> thm -> prover_result
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  val features_of :
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    Proof.context -> string -> theory -> stature -> term list -> string list
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  val isar_dependencies_of : unit Symtab.table -> thm -> string list option
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  val atp_dependencies_of :
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    Proof.context -> params -> string -> int -> fact list -> unit Symtab.table
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    -> thm -> string list option
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  val mash_CLEAR : Proof.context -> unit
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  val mash_ADD :
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    Proof.context -> bool
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    -> (string * string list * string list * string list) list -> unit
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  val mash_REPROVE :
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    Proof.context -> bool -> (string * string list) list -> unit
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  val mash_QUERY :
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    Proof.context -> bool -> int -> string list * string list
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    -> (string * real) list
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  val mash_unlearn : Proof.context -> unit
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  val mash_could_suggest_facts : unit -> bool
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  val mash_can_suggest_facts : Proof.context -> bool
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  val mash_suggested_facts :
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    Proof.context -> params -> string -> int -> term list -> term
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    -> fact list -> (fact * real) list * fact list
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  val mash_learn_proof :
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    Proof.context -> params -> string -> term -> ('a * thm) list -> thm list
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    -> unit
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  val mash_learn :
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    Proof.context -> params -> fact_override -> thm list -> bool -> unit
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  val relevant_facts :
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    Proof.context -> params -> string -> int -> fact_override -> term list
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    -> term -> fact list -> fact list
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  val kill_learners : unit -> unit
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  val running_learners : unit -> unit
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end;
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structure Sledgehammer_MaSh : SLEDGEHAMMER_MASH =
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struct
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open ATP_Util
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open ATP_Problem_Generate
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open Sledgehammer_Util
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open Sledgehammer_Fact
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open Sledgehammer_Provers
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open Sledgehammer_Minimize
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open Sledgehammer_MePo
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val trace =
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  Attrib.setup_config_bool @{binding sledgehammer_mash_trace} (K false)
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fun trace_msg ctxt msg = if Config.get ctxt trace then tracing (msg ()) else ()
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val MaShN = "MaSh"
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val mepoN = "mepo"
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val mashN = "mash"
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val meshN = "mesh"
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val fact_filters = [meshN, mepoN, mashN]
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val unlearnN = "unlearn"
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val learn_isarN = "learn_isar"
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val learn_atpN = "learn_atp"
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val relearn_isarN = "relearn_isar"
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val relearn_atpN = "relearn_atp"
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fun mash_home () = getenv "MASH_HOME"
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fun mash_model_dir () =
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  getenv "ISABELLE_HOME_USER" ^ "/mash"
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  |> tap (Isabelle_System.mkdir o Path.explode)
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val mash_state_dir = mash_model_dir
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fun mash_state_file () = mash_state_dir () ^ "/state"
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(*** Isabelle helpers ***)
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fun meta_char c =
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  if Char.isAlphaNum c orelse c = #"_" orelse c = #"." orelse c = #"(" orelse
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     c = #")" orelse c = #"," then
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    String.str c
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  else
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    (* fixed width, in case more digits follow *)
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    "%" ^ stringN_of_int 3 (Char.ord c)
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fun unmeta_chars accum [] = String.implode (rev accum)
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  | unmeta_chars accum (#"%" :: d1 :: d2 :: d3 :: cs) =
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    (case Int.fromString (String.implode [d1, d2, d3]) of
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       SOME n => unmeta_chars (Char.chr n :: accum) cs
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     | NONE => "" (* error *))
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  | unmeta_chars _ (#"%" :: _) = "" (* error *)
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  | unmeta_chars accum (c :: cs) = unmeta_chars (c :: accum) cs
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val escape_meta = String.translate meta_char
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val escape_metas = map escape_meta #> space_implode " "
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val unescape_meta = String.explode #> unmeta_chars []
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val unescape_metas =
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  space_explode " " #> filter_out (curry (op =) "") #> map unescape_meta
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fun extract_node line =
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  case space_explode ":" line of
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    [name, parents] => (unescape_meta name, unescape_metas parents)
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  | _ => ("", [])
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fun extract_suggestion sugg =
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  case space_explode "=" sugg of
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    [name, weight] =>
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    SOME (unescape_meta name, Real.fromString weight |> the_default 0.0)
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  | _ => NONE
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fun extract_query line =
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  case space_explode ":" line of
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    [goal, suggs] =>
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    (unescape_meta goal,
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     map_filter extract_suggestion (space_explode " " suggs))
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  | _ => ("", [])
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fun parent_of_local_thm th =
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  let
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    val thy = th |> Thm.theory_of_thm
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    val facts = thy |> Global_Theory.facts_of
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    val space = facts |> Facts.space_of
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    fun id_of s = #id (Name_Space.the_entry space s)
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    fun max_id (s', _) (s, id) =
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      let val id' = id_of s' in if id > id' then (s, id) else (s', id') end
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  in ("", ~1) |> Facts.fold_static max_id facts |> fst end
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val local_prefix = "local" ^ Long_Name.separator
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fun nickname_of th =
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  if Thm.has_name_hint th then
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    let val hint = Thm.get_name_hint th in
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      (* FIXME: There must be a better way to detect local facts. *)
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      case try (unprefix local_prefix) hint of
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        SOME suf =>
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        parent_of_local_thm th ^ Long_Name.separator ^ Long_Name.separator ^ suf
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      | NONE => hint
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    end
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  else
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    backquote_thm th
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fun suggested_facts suggs facts =
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  let
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    fun add_fact (fact as (_, th)) = Symtab.default (nickname_of th, fact)
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    val tab = Symtab.empty |> fold add_fact facts
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    fun find_sugg (name, weight) =
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      Symtab.lookup tab name |> Option.map (rpair weight)
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  in map_filter find_sugg suggs end
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fun sum_avg [] = 0
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  | sum_avg xs =
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    Real.ceil (100000000.0 * fold (curry (op +)) xs 0.0) div length xs
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fun normalize_scores [] = []
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  | normalize_scores ((fact, score) :: tail) =
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    (fact, 1.0) :: map (apsnd (curry Real.* (1.0 / score))) tail
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fun mesh_facts max_facts [(sels, unks)] =
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    map fst (take max_facts sels) @ take (max_facts - length sels) unks
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  | mesh_facts max_facts mess =
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    let
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      val mess = mess |> map (apfst (normalize_scores #> `length))
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      val fact_eq = Thm.eq_thm o pairself snd
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      fun score_at sels = try (nth sels) #> Option.map snd
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      fun score_in fact ((sel_len, sels), unks) =
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        case find_index (curry fact_eq fact o fst) sels of
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          ~1 => (case find_index (curry fact_eq fact) unks of
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                   ~1 => score_at sels sel_len
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                 | _ => NONE)
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        | rank => score_at sels rank
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      fun weight_of fact = mess |> map_filter (score_in fact) |> sum_avg
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      val facts =
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        fold (union fact_eq o map fst o take max_facts o snd o fst) mess []
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    in
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      facts |> map (`weight_of) |> sort (int_ord o swap o pairself fst)
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            |> map snd |> take max_facts
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    end
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val thy_feature_name_of = prefix "y"
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val const_name_of = prefix "c"
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val type_name_of = prefix "t"
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val class_name_of = prefix "s"
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fun theory_ord p =
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  if Theory.eq_thy p then
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    EQUAL
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  else if Theory.subthy p then
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    LESS
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  else if Theory.subthy (swap p) then
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    GREATER
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  else case int_ord (pairself (length o Theory.ancestors_of) p) of
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    EQUAL => string_ord (pairself Context.theory_name p)
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  | order => order
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val thm_ord = theory_ord o pairself theory_of_thm
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val freezeT = Type.legacy_freeze_type
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fun freeze (t $ u) = freeze t $ freeze u
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  | freeze (Abs (s, T, t)) = Abs (s, freezeT T, freeze t)
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  | freeze (Var ((s, _), T)) = Free (s, freezeT T)
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  | freeze (Const (s, T)) = Const (s, freezeT T)
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  | freeze (Free (s, T)) = Free (s, freezeT T)
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  | freeze t = t
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fun goal_of_thm thy = prop_of #> freeze #> cterm_of thy #> Goal.init
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fun run_prover_for_mash ctxt params prover facts goal =
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  let
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    val problem =
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      {state = Proof.init ctxt, goal = goal, subgoal = 1, subgoal_count = 1,
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       facts = facts |> map (apfst (apfst (fn name => name ())))
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                     |> map Untranslated_Fact}
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  in
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    get_minimizing_prover ctxt MaSh (K (K ())) prover params (K (K (K "")))
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                          problem
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  end
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val bad_types = [@{type_name prop}, @{type_name bool}, @{type_name fun}]
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val logical_consts =
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  [@{const_name prop}, @{const_name Pure.conjunction}] @ atp_logical_consts
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fun interesting_terms_types_and_classes ctxt prover term_max_depth
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                                        type_max_depth ts =
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  let
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    fun is_bad_const (x as (s, _)) args =
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      member (op =) logical_consts s orelse
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      fst (is_built_in_const_for_prover ctxt prover x args)
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    fun add_classes @{sort type} = I
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      | add_classes S = union (op =) (map class_name_of S)
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    fun do_add_type (Type (s, Ts)) =
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        (not (member (op =) bad_types s) ? insert (op =) (type_name_of s))
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        #> fold do_add_type Ts
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      | do_add_type (TFree (_, S)) = add_classes S
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      | do_add_type (TVar (_, S)) = add_classes S
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    fun add_type T = type_max_depth >= 0 ? do_add_type T
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    fun mk_app s args =
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      if member (op <>) args "" then s ^ "(" ^ space_implode "," args ^ ")"
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      else s
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    fun patternify ~1 _ = ""
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      | patternify depth t =
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        case strip_comb t of
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          (Const (x as (s, _)), args) =>
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          if is_bad_const x args then ""
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          else mk_app (const_name_of s) (map (patternify (depth - 1)) args)
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        | _ => ""
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    fun add_pattern depth t =
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      case patternify depth t of "" => I | s => insert (op =) s
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    fun add_term_patterns ~1 _ = I
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      | add_term_patterns depth t =
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        add_pattern depth t #> add_term_patterns (depth - 1) t
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    val add_term = add_term_patterns term_max_depth
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    fun add_patterns t =
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      let val (head, args) = strip_comb t in
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        (case head of
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           Const (_, T) => add_term t #> add_type T
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         | Free (_, T) => add_type T
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         | Var (_, T) => add_type T
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         | Abs (_, T, body) => add_type T #> add_patterns body
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         | _ => I)
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        #> fold add_patterns args
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      end
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  in [] |> fold add_patterns ts end
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fun is_exists (s, _) = (s = @{const_name Ex} orelse s = @{const_name Ex1})
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val term_max_depth = 1
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val type_max_depth = 1
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(* TODO: Generate type classes for types? *)
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fun features_of ctxt prover thy (scope, status) ts =
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  thy_feature_name_of (Context.theory_name thy) ::
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  interesting_terms_types_and_classes ctxt prover term_max_depth type_max_depth
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                                      ts
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  |> forall is_lambda_free ts ? cons "no_lams"
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  |> forall (not o exists_Const is_exists) ts ? cons "no_skos"
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  |> scope <> Global ? cons "local"
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  |> (case string_of_status status of "" => I | s => cons s)
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(* Too many dependencies is a sign that a decision procedure is at work. There
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   isn't much too learn from such proofs. *)
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val max_dependencies = 15
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val atp_dependency_default_max_fact = 50
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(* "type_definition_xxx" facts are characterized by their use of "CollectI". *)
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val typedef_sig = [@{thm CollectI} |> nickname_of]
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(* "Rep_xxx_inject", "Abs_xxx_inverse", etc., are derived using these facts. *)
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val typedef_ths =
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  @{thms type_definition.Abs_inverse type_definition.Rep_inverse
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         type_definition.Rep type_definition.Rep_inject
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         type_definition.Abs_inject type_definition.Rep_cases
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         type_definition.Abs_cases type_definition.Rep_induct
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         type_definition.Abs_induct type_definition.Rep_range
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         type_definition.Abs_image}
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  |> map nickname_of
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fun trim_dependencies deps =
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  if length deps > max_dependencies orelse deps = typedef_sig orelse
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     exists (member (op =) typedef_ths) deps then
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    NONE
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  else
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    SOME deps
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fun isar_dependencies_of all_names =
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  thms_in_proof (SOME all_names) #> trim_dependencies
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fun atp_dependencies_of ctxt (params as {verbose, max_facts, ...}) prover
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                        auto_level facts all_names th =
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  case isar_dependencies_of all_names th of
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    SOME [] => NONE
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  | isar_deps =>
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    let
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      val thy = Proof_Context.theory_of ctxt
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      val goal = goal_of_thm thy th
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      val (_, hyp_ts, concl_t) = ATP_Util.strip_subgoal ctxt goal 1
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      val facts = facts |> filter (fn (_, th') => thm_ord (th', th) = LESS)
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      fun fix_name ((_, stature), th) = ((fn () => nickname_of th, stature), th)
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      fun is_dep dep (_, th) = nickname_of th = dep
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      fun add_isar_dep facts dep accum =
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        if exists (is_dep dep) accum then
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          accum
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        else case find_first (is_dep dep) facts of
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          SOME ((name, status), th) => accum @ [((name, status), th)]
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        | NONE => accum (* shouldn't happen *)
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      val facts =
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        facts |> mepo_suggested_facts ctxt params prover
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                     (max_facts |> the_default atp_dependency_default_max_fact)
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                     NONE hyp_ts concl_t
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              |> fold (add_isar_dep facts) (these isar_deps)
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              |> map fix_name
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    in
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      if verbose andalso auto_level = 0 then
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        let val num_facts = length facts in
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          "MaSh: " ^ quote prover ^ " on " ^ quote (nickname_of th) ^
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          " with " ^ string_of_int num_facts ^ " fact" ^ plural_s num_facts ^
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          "."
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          |> Output.urgent_message
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        end
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      else
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        ();
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      case run_prover_for_mash ctxt params prover facts goal of
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        {outcome = NONE, used_facts, ...} =>
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        (if verbose andalso auto_level = 0 then
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           let val num_facts = length used_facts in
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             "Found proof with " ^ string_of_int num_facts ^ " fact" ^
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             plural_s num_facts ^ "."
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             |> Output.urgent_message
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           end
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         else
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           ();
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         used_facts |> map fst |> trim_dependencies)
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      | _ => NONE
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   391
    end
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   393
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(*** Low-level communication with MaSh ***)
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   395
48394
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(* more friendly than "try o File.rm" for those who keep the files open in their
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   text editor *)
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fun wipe_out_file file = File.write (Path.explode file) ""
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   399
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   400
fun write_file heading (xs, f) file =
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   401
  let val path = Path.explode file in
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   402
    File.write path heading;
48323
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   403
    xs |> chunk_list 500
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   404
       |> List.app (File.append path o space_implode "" o map f)
48318
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   405
  end
48316
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   406
48394
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   407
fun run_mash_tool ctxt overlord save max_suggs write_cmds read_suggs =
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   408
  let
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   409
    val (temp_dir, serial) =
82fc8c956cdc fixed various issues with MaSh's file handling + tune output + generate local facts again + handle nameless facts gracefully
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   410
      if overlord then (getenv "ISABELLE_HOME_USER", "")
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      else (getenv "ISABELLE_TMP", serial_string ())
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   412
    val log_file = if overlord then temp_dir ^ "/mash_log" else "/dev/null"
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   413
    val err_file = temp_dir ^ "/mash_err" ^ serial
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   414
    val sugg_file = temp_dir ^ "/mash_suggs" ^ serial
48316
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   415
    val cmd_file = temp_dir ^ "/mash_commands" ^ serial
48394
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   416
    val core =
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   417
      "--inputFile " ^ cmd_file ^ " --predictions " ^ sugg_file ^
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   418
      " --numberOfPredictions " ^ string_of_int max_suggs ^
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   419
      (if save then " --saveModel" else "")
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   420
    val command =
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   421
      mash_home () ^ "/mash --quiet --outputDir " ^ mash_model_dir () ^
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   422
      " --log " ^ log_file ^ " " ^ core ^ " >& " ^ err_file
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   423
  in
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   424
    write_file "" ([], K "") sugg_file;
72a31418ff8d faster "save" operation
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   425
    write_file "" write_cmds cmd_file;
48394
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   426
    trace_msg ctxt (fn () => "Running " ^ command);
82fc8c956cdc fixed various issues with MaSh's file handling + tune output + generate local facts again + handle nameless facts gracefully
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diff changeset
   427
    Isabelle_System.bash command;
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diff changeset
   428
    read_suggs (fn () => try File.read_lines (Path.explode sugg_file) |> these)
82fc8c956cdc fixed various issues with MaSh's file handling + tune output + generate local facts again + handle nameless facts gracefully
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diff changeset
   429
    |> tap (fn _ => trace_msg ctxt (fn () =>
82fc8c956cdc fixed various issues with MaSh's file handling + tune output + generate local facts again + handle nameless facts gracefully
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   430
           case try File.read (Path.explode err_file) of
82fc8c956cdc fixed various issues with MaSh's file handling + tune output + generate local facts again + handle nameless facts gracefully
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   431
             NONE => "Done"
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   432
           | SOME "" => "Done"
82fc8c956cdc fixed various issues with MaSh's file handling + tune output + generate local facts again + handle nameless facts gracefully
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diff changeset
   433
           | SOME s => "Error: " ^ elide_string 1000 s))
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   434
    |> not overlord
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   435
       ? tap (fn _ => List.app wipe_out_file [err_file, sugg_file, cmd_file])
48316
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diff changeset
   436
  end
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diff changeset
   437
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   438
fun str_of_add (name, parents, feats, deps) =
48316
252f45c04042 drastic overhaul of MaSh data structures + fixed a few performance issues
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   439
  "! " ^ escape_meta name ^ ": " ^ escape_metas parents ^ "; " ^
48311
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diff changeset
   440
  escape_metas feats ^ "; " ^ escape_metas deps ^ "\n"
3c4e10606567 implemented MaSh QUERY operation
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diff changeset
   441
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diff changeset
   442
fun str_of_reprove (name, deps) =
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   443
  "p " ^ escape_meta name ^ ": " ^ escape_metas deps ^ "\n"
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   444
48316
252f45c04042 drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents: 48315
diff changeset
   445
fun str_of_query (parents, feats) =
48406
b002cc16aa99 honor suggested MaSh weights
blanchet
parents: 48404
diff changeset
   446
  "? " ^ escape_metas parents ^ "; " ^ escape_metas feats ^ "\n"
48316
252f45c04042 drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents: 48315
diff changeset
   447
48332
271a4a6af734 optimize parent computation in MaSh + remove temporary files
blanchet
parents: 48330
diff changeset
   448
fun mash_CLEAR ctxt =
48394
82fc8c956cdc fixed various issues with MaSh's file handling + tune output + generate local facts again + handle nameless facts gracefully
blanchet
parents: 48392
diff changeset
   449
  let val path = mash_model_dir () |> Path.explode in
48332
271a4a6af734 optimize parent computation in MaSh + remove temporary files
blanchet
parents: 48330
diff changeset
   450
    trace_msg ctxt (K "MaSh CLEAR");
48394
82fc8c956cdc fixed various issues with MaSh's file handling + tune output + generate local facts again + handle nameless facts gracefully
blanchet
parents: 48392
diff changeset
   451
    File.fold_dir (fn file => fn _ =>
82fc8c956cdc fixed various issues with MaSh's file handling + tune output + generate local facts again + handle nameless facts gracefully
blanchet
parents: 48392
diff changeset
   452
                      try File.rm (Path.append path (Path.basic file)))
82fc8c956cdc fixed various issues with MaSh's file handling + tune output + generate local facts again + handle nameless facts gracefully
blanchet
parents: 48392
diff changeset
   453
                  path NONE;
82fc8c956cdc fixed various issues with MaSh's file handling + tune output + generate local facts again + handle nameless facts gracefully
blanchet
parents: 48392
diff changeset
   454
    ()
48309
42c05a6c6c1e implemented low-level MaSh ADD operation
blanchet
parents: 48308
diff changeset
   455
  end
48302
6cf5e58f1185 more implementation work on MaSh
blanchet
parents: 48301
diff changeset
   456
48316
252f45c04042 drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents: 48315
diff changeset
   457
fun mash_ADD _ _ [] = ()
48404
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   458
  | mash_ADD ctxt overlord adds =
48316
252f45c04042 drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents: 48315
diff changeset
   459
    (trace_msg ctxt (fn () => "MaSh ADD " ^
48404
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   460
         elide_string 1000 (space_implode " " (map #1 adds)));
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   461
     run_mash_tool ctxt overlord true 0 (adds, str_of_add) (K ()))
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   462
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   463
fun mash_REPROVE _ _ [] = ()
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   464
  | mash_REPROVE ctxt overlord reps =
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   465
    (trace_msg ctxt (fn () => "MaSh REPROVE " ^
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   466
         elide_string 1000 (space_implode " " (map #1 reps)));
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   467
     run_mash_tool ctxt overlord true 0 (reps, str_of_reprove) (K ()))
48302
6cf5e58f1185 more implementation work on MaSh
blanchet
parents: 48301
diff changeset
   468
48318
325c8fd0d762 more consolidation of MaSh code
blanchet
parents: 48316
diff changeset
   469
fun mash_QUERY ctxt overlord max_suggs (query as (_, feats)) =
48314
ee33ba3c0e05 added option to control which fact filter is used
blanchet
parents: 48313
diff changeset
   470
  (trace_msg ctxt (fn () => "MaSh QUERY " ^ space_implode " " feats);
48394
82fc8c956cdc fixed various issues with MaSh's file handling + tune output + generate local facts again + handle nameless facts gracefully
blanchet
parents: 48392
diff changeset
   471
   run_mash_tool ctxt overlord false max_suggs
48323
7b5f7ca25d17 optimized MaSh output by chunking it
blanchet
parents: 48322
diff changeset
   472
       ([query], str_of_query)
48394
82fc8c956cdc fixed various issues with MaSh's file handling + tune output + generate local facts again + handle nameless facts gracefully
blanchet
parents: 48392
diff changeset
   473
       (fn suggs =>
82fc8c956cdc fixed various issues with MaSh's file handling + tune output + generate local facts again + handle nameless facts gracefully
blanchet
parents: 48392
diff changeset
   474
           case suggs () of
82fc8c956cdc fixed various issues with MaSh's file handling + tune output + generate local facts again + handle nameless facts gracefully
blanchet
parents: 48392
diff changeset
   475
             [] => []
82fc8c956cdc fixed various issues with MaSh's file handling + tune output + generate local facts again + handle nameless facts gracefully
blanchet
parents: 48392
diff changeset
   476
           | suggs => snd (extract_query (List.last suggs)))
48311
3c4e10606567 implemented MaSh QUERY operation
blanchet
parents: 48309
diff changeset
   477
   handle List.Empty => [])
48302
6cf5e58f1185 more implementation work on MaSh
blanchet
parents: 48301
diff changeset
   478
6cf5e58f1185 more implementation work on MaSh
blanchet
parents: 48301
diff changeset
   479
48251
6cdcfbddc077 moved most of MaSh exporter code to Sledgehammer
blanchet
parents: 48249
diff changeset
   480
(*** High-level communication with MaSh ***)
6cdcfbddc077 moved most of MaSh exporter code to Sledgehammer
blanchet
parents: 48249
diff changeset
   481
48321
c552d7f1720b learn from minimized ATP proofs
blanchet
parents: 48320
diff changeset
   482
fun try_graph ctxt when def f =
c552d7f1720b learn from minimized ATP proofs
blanchet
parents: 48320
diff changeset
   483
  f ()
c552d7f1720b learn from minimized ATP proofs
blanchet
parents: 48320
diff changeset
   484
  handle Graph.CYCLES (cycle :: _) =>
c552d7f1720b learn from minimized ATP proofs
blanchet
parents: 48320
diff changeset
   485
         (trace_msg ctxt (fn () =>
c552d7f1720b learn from minimized ATP proofs
blanchet
parents: 48320
diff changeset
   486
              "Cycle involving " ^ commas cycle ^ " when " ^ when); def)
48392
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   487
       | Graph.DUP name =>
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   488
         (trace_msg ctxt (fn () =>
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   489
              "Duplicate fact " ^ quote name ^ " when " ^ when); def)
48321
c552d7f1720b learn from minimized ATP proofs
blanchet
parents: 48320
diff changeset
   490
       | Graph.UNDEF name =>
c552d7f1720b learn from minimized ATP proofs
blanchet
parents: 48320
diff changeset
   491
         (trace_msg ctxt (fn () =>
c552d7f1720b learn from minimized ATP proofs
blanchet
parents: 48320
diff changeset
   492
              "Unknown fact " ^ quote name ^ " when " ^ when); def)
48392
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   493
       | exn =>
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   494
         if Exn.is_interrupt exn then
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   495
           reraise exn
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   496
         else
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   497
           (trace_msg ctxt (fn () =>
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   498
                "Internal error when " ^ when ^ ":\n" ^
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   499
                ML_Compiler.exn_message exn); def)
48321
c552d7f1720b learn from minimized ATP proofs
blanchet
parents: 48320
diff changeset
   500
48406
b002cc16aa99 honor suggested MaSh weights
blanchet
parents: 48404
diff changeset
   501
fun graph_info G =
b002cc16aa99 honor suggested MaSh weights
blanchet
parents: 48404
diff changeset
   502
  string_of_int (length (Graph.keys G)) ^ " node(s), " ^
b002cc16aa99 honor suggested MaSh weights
blanchet
parents: 48404
diff changeset
   503
  string_of_int (fold (Integer.add o length o snd) (Graph.dest G) 0) ^
b002cc16aa99 honor suggested MaSh weights
blanchet
parents: 48404
diff changeset
   504
  " edge(s), " ^
b002cc16aa99 honor suggested MaSh weights
blanchet
parents: 48404
diff changeset
   505
  string_of_int (length (Graph.minimals G)) ^ " minimal, " ^
b002cc16aa99 honor suggested MaSh weights
blanchet
parents: 48404
diff changeset
   506
  string_of_int (length (Graph.maximals G)) ^ " maximal"
b002cc16aa99 honor suggested MaSh weights
blanchet
parents: 48404
diff changeset
   507
48400
f08425165cca minimal maxes + tuning
blanchet
parents: 48399
diff changeset
   508
type mash_state = {fact_G : unit Graph.T}
48301
e5c5037a3104 started implementing MaSh client-side I/O
blanchet
parents: 48299
diff changeset
   509
48400
f08425165cca minimal maxes + tuning
blanchet
parents: 48399
diff changeset
   510
val empty_state = {fact_G = Graph.empty}
48301
e5c5037a3104 started implementing MaSh client-side I/O
blanchet
parents: 48299
diff changeset
   511
e5c5037a3104 started implementing MaSh client-side I/O
blanchet
parents: 48299
diff changeset
   512
local
e5c5037a3104 started implementing MaSh client-side I/O
blanchet
parents: 48299
diff changeset
   513
48390
4147f2bc4442 add versioning to MaSh state + cleanup dead code
blanchet
parents: 48389
diff changeset
   514
val version = "*** MaSh 0.0 ***"
4147f2bc4442 add versioning to MaSh state + cleanup dead code
blanchet
parents: 48389
diff changeset
   515
4147f2bc4442 add versioning to MaSh state + cleanup dead code
blanchet
parents: 48389
diff changeset
   516
fun load _ (state as (true, _)) = state
4147f2bc4442 add versioning to MaSh state + cleanup dead code
blanchet
parents: 48389
diff changeset
   517
  | load ctxt _ =
48436
72a31418ff8d faster "save" operation
blanchet
parents: 48435
diff changeset
   518
    let val path = mash_state_file () |> Path.explode in
48302
6cf5e58f1185 more implementation work on MaSh
blanchet
parents: 48301
diff changeset
   519
      (true,
6cf5e58f1185 more implementation work on MaSh
blanchet
parents: 48301
diff changeset
   520
       case try File.read_lines path of
48406
b002cc16aa99 honor suggested MaSh weights
blanchet
parents: 48404
diff changeset
   521
         SOME (version' :: node_lines) =>
48302
6cf5e58f1185 more implementation work on MaSh
blanchet
parents: 48301
diff changeset
   522
         let
48322
8a8d71e34297 fixed MaSh state load code so it works even if the facts are read in disorder
blanchet
parents: 48321
diff changeset
   523
           fun add_edge_to name parent =
48406
b002cc16aa99 honor suggested MaSh weights
blanchet
parents: 48404
diff changeset
   524
             Graph.default_node (parent, ()) #> Graph.add_edge (parent, name)
b002cc16aa99 honor suggested MaSh weights
blanchet
parents: 48404
diff changeset
   525
           fun add_node line =
b002cc16aa99 honor suggested MaSh weights
blanchet
parents: 48404
diff changeset
   526
             case extract_node line of
48316
252f45c04042 drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents: 48315
diff changeset
   527
               ("", _) => I (* shouldn't happen *)
252f45c04042 drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents: 48315
diff changeset
   528
             | (name, parents) =>
48406
b002cc16aa99 honor suggested MaSh weights
blanchet
parents: 48404
diff changeset
   529
               Graph.default_node (name, ()) #> fold (add_edge_to name) parents
48400
f08425165cca minimal maxes + tuning
blanchet
parents: 48399
diff changeset
   530
           val fact_G =
48322
8a8d71e34297 fixed MaSh state load code so it works even if the facts are read in disorder
blanchet
parents: 48321
diff changeset
   531
             try_graph ctxt "loading state" Graph.empty (fn () =>
48406
b002cc16aa99 honor suggested MaSh weights
blanchet
parents: 48404
diff changeset
   532
                 Graph.empty |> version' = version ? fold add_node node_lines)
b002cc16aa99 honor suggested MaSh weights
blanchet
parents: 48404
diff changeset
   533
         in
b002cc16aa99 honor suggested MaSh weights
blanchet
parents: 48404
diff changeset
   534
           trace_msg ctxt (fn () =>
b002cc16aa99 honor suggested MaSh weights
blanchet
parents: 48404
diff changeset
   535
               "Loaded fact graph (" ^ graph_info fact_G ^ ")");
b002cc16aa99 honor suggested MaSh weights
blanchet
parents: 48404
diff changeset
   536
           {fact_G = fact_G}
b002cc16aa99 honor suggested MaSh weights
blanchet
parents: 48404
diff changeset
   537
         end
48304
50e64af9c829 more work on MaSh
blanchet
parents: 48303
diff changeset
   538
       | _ => empty_state)
48302
6cf5e58f1185 more implementation work on MaSh
blanchet
parents: 48301
diff changeset
   539
    end
48249
2bd242c56c90 dummy implementation
blanchet
parents: 48248
diff changeset
   540
48406
b002cc16aa99 honor suggested MaSh weights
blanchet
parents: 48404
diff changeset
   541
fun save ctxt {fact_G} =
48301
e5c5037a3104 started implementing MaSh client-side I/O
blanchet
parents: 48299
diff changeset
   542
  let
48436
72a31418ff8d faster "save" operation
blanchet
parents: 48435
diff changeset
   543
    fun str_of_entry (name, parents) =
72a31418ff8d faster "save" operation
blanchet
parents: 48435
diff changeset
   544
      escape_meta name ^ ": " ^ escape_metas parents ^ "\n"
72a31418ff8d faster "save" operation
blanchet
parents: 48435
diff changeset
   545
    fun append_entry (name, ((), (parents, _))) =
72a31418ff8d faster "save" operation
blanchet
parents: 48435
diff changeset
   546
      cons (name, Graph.Keys.dest parents)
72a31418ff8d faster "save" operation
blanchet
parents: 48435
diff changeset
   547
    val entries = [] |> Graph.fold append_entry fact_G
48301
e5c5037a3104 started implementing MaSh client-side I/O
blanchet
parents: 48299
diff changeset
   548
  in
48436
72a31418ff8d faster "save" operation
blanchet
parents: 48435
diff changeset
   549
    write_file (version ^ "\n") (entries, str_of_entry) (mash_state_file ());
48406
b002cc16aa99 honor suggested MaSh weights
blanchet
parents: 48404
diff changeset
   550
    trace_msg ctxt (fn () => "Saved fact graph (" ^ graph_info fact_G ^ ")")
48301
e5c5037a3104 started implementing MaSh client-side I/O
blanchet
parents: 48299
diff changeset
   551
  end
e5c5037a3104 started implementing MaSh client-side I/O
blanchet
parents: 48299
diff changeset
   552
48302
6cf5e58f1185 more implementation work on MaSh
blanchet
parents: 48301
diff changeset
   553
val global_state =
48381
1b7d798460bb renamed ML structures
blanchet
parents: 48380
diff changeset
   554
  Synchronized.var "Sledgehammer_MaSh.global_state" (false, empty_state)
48301
e5c5037a3104 started implementing MaSh client-side I/O
blanchet
parents: 48299
diff changeset
   555
e5c5037a3104 started implementing MaSh client-side I/O
blanchet
parents: 48299
diff changeset
   556
in
e5c5037a3104 started implementing MaSh client-side I/O
blanchet
parents: 48299
diff changeset
   557
48321
c552d7f1720b learn from minimized ATP proofs
blanchet
parents: 48320
diff changeset
   558
fun mash_map ctxt f =
48406
b002cc16aa99 honor suggested MaSh weights
blanchet
parents: 48404
diff changeset
   559
  Synchronized.change global_state (load ctxt ##> (f #> tap (save ctxt)))
48302
6cf5e58f1185 more implementation work on MaSh
blanchet
parents: 48301
diff changeset
   560
48434
aaaec69db3db ensure all calls to "mash" program are synchronous
blanchet
parents: 48433
diff changeset
   561
fun mash_peek ctxt f =
aaaec69db3db ensure all calls to "mash" program are synchronous
blanchet
parents: 48433
diff changeset
   562
  Synchronized.change_result global_state (load ctxt #> `snd #>> f)
aaaec69db3db ensure all calls to "mash" program are synchronous
blanchet
parents: 48433
diff changeset
   563
48321
c552d7f1720b learn from minimized ATP proofs
blanchet
parents: 48320
diff changeset
   564
fun mash_get ctxt =
48390
4147f2bc4442 add versioning to MaSh state + cleanup dead code
blanchet
parents: 48389
diff changeset
   565
  Synchronized.change_result global_state (load ctxt #> `snd)
48302
6cf5e58f1185 more implementation work on MaSh
blanchet
parents: 48301
diff changeset
   566
48332
271a4a6af734 optimize parent computation in MaSh + remove temporary files
blanchet
parents: 48330
diff changeset
   567
fun mash_unlearn ctxt =
48302
6cf5e58f1185 more implementation work on MaSh
blanchet
parents: 48301
diff changeset
   568
  Synchronized.change global_state (fn _ =>
48436
72a31418ff8d faster "save" operation
blanchet
parents: 48435
diff changeset
   569
      (mash_CLEAR ctxt;
72a31418ff8d faster "save" operation
blanchet
parents: 48435
diff changeset
   570
       wipe_out_file (mash_state_file ());
72a31418ff8d faster "save" operation
blanchet
parents: 48435
diff changeset
   571
       (true, empty_state)))
48301
e5c5037a3104 started implementing MaSh client-side I/O
blanchet
parents: 48299
diff changeset
   572
e5c5037a3104 started implementing MaSh client-side I/O
blanchet
parents: 48299
diff changeset
   573
end
e5c5037a3104 started implementing MaSh client-side I/O
blanchet
parents: 48299
diff changeset
   574
48318
325c8fd0d762 more consolidation of MaSh code
blanchet
parents: 48316
diff changeset
   575
fun mash_could_suggest_facts () = mash_home () <> ""
48400
f08425165cca minimal maxes + tuning
blanchet
parents: 48399
diff changeset
   576
fun mash_can_suggest_facts ctxt = not (Graph.is_empty (#fact_G (mash_get ctxt)))
48249
2bd242c56c90 dummy implementation
blanchet
parents: 48248
diff changeset
   577
48407
47fe0ca12fc2 faster maximal node computation
blanchet
parents: 48406
diff changeset
   578
fun num_keys keys = Graph.Keys.fold (K (Integer.add 1)) keys 0
48400
f08425165cca minimal maxes + tuning
blanchet
parents: 48399
diff changeset
   579
48407
47fe0ca12fc2 faster maximal node computation
blanchet
parents: 48406
diff changeset
   580
fun maximal_in_graph fact_G facts =
48316
252f45c04042 drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents: 48315
diff changeset
   581
  let
48378
9e96486d53ad handle local facts smoothly in MaSh
blanchet
parents: 48377
diff changeset
   582
    val facts = [] |> fold (cons o nickname_of o snd) facts
48407
47fe0ca12fc2 faster maximal node computation
blanchet
parents: 48406
diff changeset
   583
    val tab = Symtab.empty |> fold (fn name => Symtab.default (name, ())) facts
47fe0ca12fc2 faster maximal node computation
blanchet
parents: 48406
diff changeset
   584
    fun insert_new seen name =
47fe0ca12fc2 faster maximal node computation
blanchet
parents: 48406
diff changeset
   585
      not (Symtab.defined seen name) ? insert (op =) name
47fe0ca12fc2 faster maximal node computation
blanchet
parents: 48406
diff changeset
   586
    fun find_maxes _ (maxs, []) = map snd maxs
47fe0ca12fc2 faster maximal node computation
blanchet
parents: 48406
diff changeset
   587
      | find_maxes seen (maxs, new :: news) =
47fe0ca12fc2 faster maximal node computation
blanchet
parents: 48406
diff changeset
   588
        find_maxes
47fe0ca12fc2 faster maximal node computation
blanchet
parents: 48406
diff changeset
   589
            (seen |> num_keys (Graph.imm_succs fact_G new) > 1
47fe0ca12fc2 faster maximal node computation
blanchet
parents: 48406
diff changeset
   590
                     ? Symtab.default (new, ()))
47fe0ca12fc2 faster maximal node computation
blanchet
parents: 48406
diff changeset
   591
            (if Symtab.defined tab new then
47fe0ca12fc2 faster maximal node computation
blanchet
parents: 48406
diff changeset
   592
               let
47fe0ca12fc2 faster maximal node computation
blanchet
parents: 48406
diff changeset
   593
                 val newp = Graph.all_preds fact_G [new]
47fe0ca12fc2 faster maximal node computation
blanchet
parents: 48406
diff changeset
   594
                 fun is_ancestor x yp = member (op =) yp x
47fe0ca12fc2 faster maximal node computation
blanchet
parents: 48406
diff changeset
   595
                 val maxs =
47fe0ca12fc2 faster maximal node computation
blanchet
parents: 48406
diff changeset
   596
                   maxs |> filter (fn (_, max) => not (is_ancestor max newp))
47fe0ca12fc2 faster maximal node computation
blanchet
parents: 48406
diff changeset
   597
               in
47fe0ca12fc2 faster maximal node computation
blanchet
parents: 48406
diff changeset
   598
                 if exists (is_ancestor new o fst) maxs then
47fe0ca12fc2 faster maximal node computation
blanchet
parents: 48406
diff changeset
   599
                   (maxs, news)
47fe0ca12fc2 faster maximal node computation
blanchet
parents: 48406
diff changeset
   600
                 else
47fe0ca12fc2 faster maximal node computation
blanchet
parents: 48406
diff changeset
   601
                   ((newp, new)
47fe0ca12fc2 faster maximal node computation
blanchet
parents: 48406
diff changeset
   602
                    :: filter_out (fn (_, max) => is_ancestor max newp) maxs,
47fe0ca12fc2 faster maximal node computation
blanchet
parents: 48406
diff changeset
   603
                    news)
47fe0ca12fc2 faster maximal node computation
blanchet
parents: 48406
diff changeset
   604
               end
47fe0ca12fc2 faster maximal node computation
blanchet
parents: 48406
diff changeset
   605
             else
47fe0ca12fc2 faster maximal node computation
blanchet
parents: 48406
diff changeset
   606
               (maxs, Graph.Keys.fold (insert_new seen)
47fe0ca12fc2 faster maximal node computation
blanchet
parents: 48406
diff changeset
   607
                                      (Graph.imm_preds fact_G new) news))
47fe0ca12fc2 faster maximal node computation
blanchet
parents: 48406
diff changeset
   608
  in find_maxes Symtab.empty ([], Graph.maximals fact_G) end
48316
252f45c04042 drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents: 48315
diff changeset
   609
48318
325c8fd0d762 more consolidation of MaSh code
blanchet
parents: 48316
diff changeset
   610
(* Generate more suggestions than requested, because some might be thrown out
325c8fd0d762 more consolidation of MaSh code
blanchet
parents: 48316
diff changeset
   611
   later for various reasons and "meshing" gives better results with some
325c8fd0d762 more consolidation of MaSh code
blanchet
parents: 48316
diff changeset
   612
   slack. *)
48434
aaaec69db3db ensure all calls to "mash" program are synchronous
blanchet
parents: 48433
diff changeset
   613
fun max_suggs_of max_facts = max_facts + Int.min (50, max_facts)
48318
325c8fd0d762 more consolidation of MaSh code
blanchet
parents: 48316
diff changeset
   614
48400
f08425165cca minimal maxes + tuning
blanchet
parents: 48399
diff changeset
   615
fun is_fact_in_graph fact_G (_, th) =
f08425165cca minimal maxes + tuning
blanchet
parents: 48399
diff changeset
   616
  can (Graph.get_node fact_G) (nickname_of th)
48320
891a24a48155 improved meshing of MaSh and Meng--Paulson if some MaSh suggestions are cut-off (the common case)
blanchet
parents: 48319
diff changeset
   617
48435
f30eb5eb7927 include unknown local facts in MaSh
blanchet
parents: 48434
diff changeset
   618
fun interleave [] ys = ys
f30eb5eb7927 include unknown local facts in MaSh
blanchet
parents: 48434
diff changeset
   619
  | interleave xs [] = xs
f30eb5eb7927 include unknown local facts in MaSh
blanchet
parents: 48434
diff changeset
   620
  | interleave (x :: xs) (y :: ys) = x :: y :: interleave xs ys
f30eb5eb7927 include unknown local facts in MaSh
blanchet
parents: 48434
diff changeset
   621
48406
b002cc16aa99 honor suggested MaSh weights
blanchet
parents: 48404
diff changeset
   622
fun mash_suggested_facts ctxt ({overlord, ...} : params) prover max_facts hyp_ts
b002cc16aa99 honor suggested MaSh weights
blanchet
parents: 48404
diff changeset
   623
                         concl_t facts =
48301
e5c5037a3104 started implementing MaSh client-side I/O
blanchet
parents: 48299
diff changeset
   624
  let
48302
6cf5e58f1185 more implementation work on MaSh
blanchet
parents: 48301
diff changeset
   625
    val thy = Proof_Context.theory_of ctxt
48434
aaaec69db3db ensure all calls to "mash" program are synchronous
blanchet
parents: 48433
diff changeset
   626
    val (fact_G, suggs) =
aaaec69db3db ensure all calls to "mash" program are synchronous
blanchet
parents: 48433
diff changeset
   627
      mash_peek ctxt (fn {fact_G} =>
aaaec69db3db ensure all calls to "mash" program are synchronous
blanchet
parents: 48433
diff changeset
   628
          if Graph.is_empty fact_G then
aaaec69db3db ensure all calls to "mash" program are synchronous
blanchet
parents: 48433
diff changeset
   629
            (fact_G, [])
aaaec69db3db ensure all calls to "mash" program are synchronous
blanchet
parents: 48433
diff changeset
   630
          else
aaaec69db3db ensure all calls to "mash" program are synchronous
blanchet
parents: 48433
diff changeset
   631
            let
aaaec69db3db ensure all calls to "mash" program are synchronous
blanchet
parents: 48433
diff changeset
   632
              val parents = maximal_in_graph fact_G facts
aaaec69db3db ensure all calls to "mash" program are synchronous
blanchet
parents: 48433
diff changeset
   633
              val feats =
aaaec69db3db ensure all calls to "mash" program are synchronous
blanchet
parents: 48433
diff changeset
   634
                features_of ctxt prover thy (Local, General) (concl_t :: hyp_ts)
aaaec69db3db ensure all calls to "mash" program are synchronous
blanchet
parents: 48433
diff changeset
   635
            in
aaaec69db3db ensure all calls to "mash" program are synchronous
blanchet
parents: 48433
diff changeset
   636
              (fact_G, mash_QUERY ctxt overlord (max_suggs_of max_facts)
aaaec69db3db ensure all calls to "mash" program are synchronous
blanchet
parents: 48433
diff changeset
   637
                                  (parents, feats))
aaaec69db3db ensure all calls to "mash" program are synchronous
blanchet
parents: 48433
diff changeset
   638
            end)
48435
f30eb5eb7927 include unknown local facts in MaSh
blanchet
parents: 48434
diff changeset
   639
    val sels =
48408
5493e67982ee tune Mesh filter
blanchet
parents: 48407
diff changeset
   640
      facts |> suggested_facts suggs
5493e67982ee tune Mesh filter
blanchet
parents: 48407
diff changeset
   641
            (* The weights currently returned by "mash.py" are too extreme to
5493e67982ee tune Mesh filter
blanchet
parents: 48407
diff changeset
   642
               make any sense. *)
48435
f30eb5eb7927 include unknown local facts in MaSh
blanchet
parents: 48434
diff changeset
   643
            |> map fst
f30eb5eb7927 include unknown local facts in MaSh
blanchet
parents: 48434
diff changeset
   644
    val (unk_global, unk_local) =
f30eb5eb7927 include unknown local facts in MaSh
blanchet
parents: 48434
diff changeset
   645
      facts |> filter_out (is_fact_in_graph fact_G)
f30eb5eb7927 include unknown local facts in MaSh
blanchet
parents: 48434
diff changeset
   646
            |> List.partition (fn ((_, (loc, _)), _) => loc = Global)
f30eb5eb7927 include unknown local facts in MaSh
blanchet
parents: 48434
diff changeset
   647
  in (interleave unk_local sels |> weight_mepo_facts, unk_global) end
48249
2bd242c56c90 dummy implementation
blanchet
parents: 48248
diff changeset
   648
48404
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   649
fun add_to_fact_graph ctxt (name, parents, feats, deps) (adds, graph) =
48316
252f45c04042 drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents: 48315
diff changeset
   650
  let
252f45c04042 drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents: 48315
diff changeset
   651
    fun maybe_add_from from (accum as (parents, graph)) =
48321
c552d7f1720b learn from minimized ATP proofs
blanchet
parents: 48320
diff changeset
   652
      try_graph ctxt "updating graph" accum (fn () =>
c552d7f1720b learn from minimized ATP proofs
blanchet
parents: 48320
diff changeset
   653
          (from :: parents, Graph.add_edge_acyclic (from, name) graph))
c552d7f1720b learn from minimized ATP proofs
blanchet
parents: 48320
diff changeset
   654
    val graph = graph |> Graph.default_node (name, ())
48316
252f45c04042 drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents: 48315
diff changeset
   655
    val (parents, graph) = ([], graph) |> fold maybe_add_from parents
48407
47fe0ca12fc2 faster maximal node computation
blanchet
parents: 48406
diff changeset
   656
    val (deps, _) = ([], graph) |> fold maybe_add_from deps
48404
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   657
  in ((name, parents, feats, deps) :: adds, graph) end
48306
e699f754d9f7 better zipping of MaSh facts
blanchet
parents: 48305
diff changeset
   658
48384
83dc102041e6 learn on explicit "min" command but do the learning in a thread, since it may take a couple of seconds
blanchet
parents: 48383
diff changeset
   659
val learn_timeout_slack = 2.0
48318
325c8fd0d762 more consolidation of MaSh code
blanchet
parents: 48316
diff changeset
   660
48384
83dc102041e6 learn on explicit "min" command but do the learning in a thread, since it may take a couple of seconds
blanchet
parents: 48383
diff changeset
   661
fun launch_thread timeout task =
48383
df75b2d7e26a learn command in MaSh
blanchet
parents: 48382
diff changeset
   662
  let
48384
83dc102041e6 learn on explicit "min" command but do the learning in a thread, since it may take a couple of seconds
blanchet
parents: 48383
diff changeset
   663
    val hard_timeout = time_mult learn_timeout_slack timeout
83dc102041e6 learn on explicit "min" command but do the learning in a thread, since it may take a couple of seconds
blanchet
parents: 48383
diff changeset
   664
    val birth_time = Time.now ()
83dc102041e6 learn on explicit "min" command but do the learning in a thread, since it may take a couple of seconds
blanchet
parents: 48383
diff changeset
   665
    val death_time = Time.+ (birth_time, hard_timeout)
83dc102041e6 learn on explicit "min" command but do the learning in a thread, since it may take a couple of seconds
blanchet
parents: 48383
diff changeset
   666
    val desc = ("machine learner for Sledgehammer", "")
83dc102041e6 learn on explicit "min" command but do the learning in a thread, since it may take a couple of seconds
blanchet
parents: 48383
diff changeset
   667
  in Async_Manager.launch MaShN birth_time death_time desc task end
83dc102041e6 learn on explicit "min" command but do the learning in a thread, since it may take a couple of seconds
blanchet
parents: 48383
diff changeset
   668
48400
f08425165cca minimal maxes + tuning
blanchet
parents: 48399
diff changeset
   669
fun freshish_name () =
f08425165cca minimal maxes + tuning
blanchet
parents: 48399
diff changeset
   670
  Date.fmt ".%Y_%m_%d_%H_%M_%S__" (Date.fromTimeLocal (Time.now ())) ^
f08425165cca minimal maxes + tuning
blanchet
parents: 48399
diff changeset
   671
  serial_string ()
f08425165cca minimal maxes + tuning
blanchet
parents: 48399
diff changeset
   672
48384
83dc102041e6 learn on explicit "min" command but do the learning in a thread, since it may take a couple of seconds
blanchet
parents: 48383
diff changeset
   673
fun mash_learn_proof ctxt ({overlord, timeout, ...} : params) prover t facts
83dc102041e6 learn on explicit "min" command but do the learning in a thread, since it may take a couple of seconds
blanchet
parents: 48383
diff changeset
   674
                     used_ths =
83dc102041e6 learn on explicit "min" command but do the learning in a thread, since it may take a couple of seconds
blanchet
parents: 48383
diff changeset
   675
  if is_smt_prover ctxt prover then
83dc102041e6 learn on explicit "min" command but do the learning in a thread, since it may take a couple of seconds
blanchet
parents: 48383
diff changeset
   676
    ()
83dc102041e6 learn on explicit "min" command but do the learning in a thread, since it may take a couple of seconds
blanchet
parents: 48383
diff changeset
   677
  else
48403
1f214c653c80 don't store fresh names in fact graph, since these cannot be the parents of any other facts
blanchet
parents: 48401
diff changeset
   678
    launch_thread timeout (fn () =>
1f214c653c80 don't store fresh names in fact graph, since these cannot be the parents of any other facts
blanchet
parents: 48401
diff changeset
   679
        let
1f214c653c80 don't store fresh names in fact graph, since these cannot be the parents of any other facts
blanchet
parents: 48401
diff changeset
   680
          val thy = Proof_Context.theory_of ctxt
1f214c653c80 don't store fresh names in fact graph, since these cannot be the parents of any other facts
blanchet
parents: 48401
diff changeset
   681
          val name = freshish_name ()
1f214c653c80 don't store fresh names in fact graph, since these cannot be the parents of any other facts
blanchet
parents: 48401
diff changeset
   682
          val feats = features_of ctxt prover thy (Local, General) [t]
1f214c653c80 don't store fresh names in fact graph, since these cannot be the parents of any other facts
blanchet
parents: 48401
diff changeset
   683
          val deps = used_ths |> map nickname_of
1f214c653c80 don't store fresh names in fact graph, since these cannot be the parents of any other facts
blanchet
parents: 48401
diff changeset
   684
        in
48434
aaaec69db3db ensure all calls to "mash" program are synchronous
blanchet
parents: 48433
diff changeset
   685
          mash_peek ctxt (fn {fact_G} =>
aaaec69db3db ensure all calls to "mash" program are synchronous
blanchet
parents: 48433
diff changeset
   686
              let val parents = maximal_in_graph fact_G facts in
aaaec69db3db ensure all calls to "mash" program are synchronous
blanchet
parents: 48433
diff changeset
   687
                mash_ADD ctxt overlord [(name, parents, feats, deps)]
aaaec69db3db ensure all calls to "mash" program are synchronous
blanchet
parents: 48433
diff changeset
   688
              end);
aaaec69db3db ensure all calls to "mash" program are synchronous
blanchet
parents: 48433
diff changeset
   689
          (true, "")
48403
1f214c653c80 don't store fresh names in fact graph, since these cannot be the parents of any other facts
blanchet
parents: 48401
diff changeset
   690
        end)
48383
df75b2d7e26a learn command in MaSh
blanchet
parents: 48382
diff changeset
   691
48392
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   692
fun sendback sub =
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   693
  Markup.markup Isabelle_Markup.sendback (sledgehammerN ^ " " ^ sub)
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   694
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   695
val commit_timeout = seconds 30.0
48332
271a4a6af734 optimize parent computation in MaSh + remove temporary files
blanchet
parents: 48330
diff changeset
   696
48318
325c8fd0d762 more consolidation of MaSh code
blanchet
parents: 48316
diff changeset
   697
(* The timeout is understood in a very slack fashion. *)
48404
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   698
fun mash_learn_facts ctxt (params as {debug, verbose, overlord, ...}) prover
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   699
                     auto_level atp learn_timeout facts =
48304
50e64af9c829 more work on MaSh
blanchet
parents: 48303
diff changeset
   700
  let
48318
325c8fd0d762 more consolidation of MaSh code
blanchet
parents: 48316
diff changeset
   701
    val timer = Timer.startRealTimer ()
48392
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   702
    fun next_commit_time () =
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   703
      Time.+ (Timer.checkRealTimer timer, commit_timeout)
48400
f08425165cca minimal maxes + tuning
blanchet
parents: 48399
diff changeset
   704
    val {fact_G} = mash_get ctxt
f08425165cca minimal maxes + tuning
blanchet
parents: 48399
diff changeset
   705
    val (old_facts, new_facts) =
f08425165cca minimal maxes + tuning
blanchet
parents: 48399
diff changeset
   706
      facts |> List.partition (is_fact_in_graph fact_G)
f08425165cca minimal maxes + tuning
blanchet
parents: 48399
diff changeset
   707
            ||> sort (thm_ord o pairself snd)
48308
89674e5a4d35 make tracing an option
blanchet
parents: 48306
diff changeset
   708
  in
48404
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   709
    if null new_facts andalso (not atp orelse null old_facts) then
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   710
      if auto_level < 2 then
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   711
        "No new " ^ (if atp then "ATP" else "Isar") ^ " proofs to learn." ^
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   712
        (if auto_level = 0 andalso not atp then
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   713
           "\n\nHint: Try " ^ sendback learn_atpN ^ " to learn from ATP proofs."
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   714
         else
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   715
           "")
48392
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   716
      else
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   717
        ""
48308
89674e5a4d35 make tracing an option
blanchet
parents: 48306
diff changeset
   718
    else
48304
50e64af9c829 more work on MaSh
blanchet
parents: 48303
diff changeset
   719
      let
48315
82d6e46c673f fixed order of accessibles + other tweaks to MaSh
blanchet
parents: 48314
diff changeset
   720
        val all_names =
48438
3e45c98fe127 distinguish between recursive and nonrecursive definitions + clean up typedef dependencies in MaSh
blanchet
parents: 48436
diff changeset
   721
          facts |> map snd |> map (rpair () o nickname_of) |> Symtab.make
48439
67a6bcbd3587 removed MaSh junk arising from primrec definitions
blanchet
parents: 48438
diff changeset
   722
        fun deps_of status th =
67a6bcbd3587 removed MaSh junk arising from primrec definitions
blanchet
parents: 48438
diff changeset
   723
          if status = Non_Rec_Def orelse status = Rec_Def then
67a6bcbd3587 removed MaSh junk arising from primrec definitions
blanchet
parents: 48438
diff changeset
   724
            SOME []
67a6bcbd3587 removed MaSh junk arising from primrec definitions
blanchet
parents: 48438
diff changeset
   725
          else if atp then
67a6bcbd3587 removed MaSh junk arising from primrec definitions
blanchet
parents: 48438
diff changeset
   726
            atp_dependencies_of ctxt params prover auto_level facts all_names th
48404
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   727
          else
48439
67a6bcbd3587 removed MaSh junk arising from primrec definitions
blanchet
parents: 48438
diff changeset
   728
            isar_dependencies_of all_names th
48404
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   729
        fun do_commit [] [] state = state
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   730
          | do_commit adds reps {fact_G} =
48392
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   731
            let
48404
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   732
              val (adds, fact_G) =
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   733
                ([], fact_G) |> fold (add_to_fact_graph ctxt) adds
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   734
            in
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   735
              mash_ADD ctxt overlord (rev adds);
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   736
              mash_REPROVE ctxt overlord reps;
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   737
              {fact_G = fact_G}
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   738
            end
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   739
        fun commit last adds reps =
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   740
          (if debug andalso auto_level = 0 then
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   741
             Output.urgent_message "Committing..."
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   742
           else
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   743
             ();
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   744
           mash_map ctxt (do_commit (rev adds) reps);
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   745
           if not last andalso auto_level = 0 then
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   746
             let val num_proofs = length adds + length reps in
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   747
               "Learned " ^ string_of_int num_proofs ^ " " ^
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   748
               (if atp then "ATP" else "Isar") ^ " proof" ^
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   749
               plural_s num_proofs ^ " in the last " ^
48392
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   750
               string_from_time commit_timeout ^ "."
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   751
               |> Output.urgent_message
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   752
             end
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   753
           else
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   754
             ())
48404
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   755
        fun learn_new_fact _ (accum as (_, (_, _, _, true))) = accum
48439
67a6bcbd3587 removed MaSh junk arising from primrec definitions
blanchet
parents: 48438
diff changeset
   756
          | learn_new_fact ((_, stature as (_, status)), th)
48404
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   757
                           (adds, (parents, n, next_commit, _)) =
48318
325c8fd0d762 more consolidation of MaSh code
blanchet
parents: 48316
diff changeset
   758
            let
48378
9e96486d53ad handle local facts smoothly in MaSh
blanchet
parents: 48377
diff changeset
   759
              val name = nickname_of th
48332
271a4a6af734 optimize parent computation in MaSh + remove temporary files
blanchet
parents: 48330
diff changeset
   760
              val feats =
48385
2779dea0b1e0 added locality as a MaSh feature
blanchet
parents: 48384
diff changeset
   761
                features_of ctxt prover (theory_of_thm th) stature [prop_of th]
48439
67a6bcbd3587 removed MaSh junk arising from primrec definitions
blanchet
parents: 48438
diff changeset
   762
              val deps = deps_of status th |> these
48394
82fc8c956cdc fixed various issues with MaSh's file handling + tune output + generate local facts again + handle nameless facts gracefully
blanchet
parents: 48392
diff changeset
   763
              val n = n |> not (null deps) ? Integer.add 1
48404
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   764
              val adds = (name, parents, feats, deps) :: adds
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   765
              val (adds, next_commit) =
48392
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   766
                if Time.> (Timer.checkRealTimer timer, next_commit) then
48404
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   767
                  (commit false adds []; ([], next_commit_time ()))
48392
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   768
                else
48404
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   769
                  (adds, next_commit)
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   770
              val timed_out = Time.> (Timer.checkRealTimer timer, learn_timeout)
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   771
            in (adds, ([name], n, next_commit, timed_out)) end
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   772
        val n =
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   773
          if null new_facts then
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   774
            0
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   775
          else
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   776
            let
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   777
              val last_th = new_facts |> List.last |> snd
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   778
              (* crude approximation *)
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   779
              val ancestors =
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   780
                old_facts
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   781
                |> filter (fn (_, th) => thm_ord (th, last_th) <> GREATER)
48407
47fe0ca12fc2 faster maximal node computation
blanchet
parents: 48406
diff changeset
   782
              val parents = maximal_in_graph fact_G ancestors
48404
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   783
              val (adds, (_, n, _, _)) =
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   784
                ([], (parents, 0, next_commit_time (), false))
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   785
                |> fold learn_new_fact new_facts
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   786
            in commit true adds []; n end
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   787
        fun relearn_old_fact _ (accum as (_, (_, _, true))) = accum
48439
67a6bcbd3587 removed MaSh junk arising from primrec definitions
blanchet
parents: 48438
diff changeset
   788
          | relearn_old_fact ((_, (_, status)), th)
67a6bcbd3587 removed MaSh junk arising from primrec definitions
blanchet
parents: 48438
diff changeset
   789
                             (reps, (n, next_commit, _)) =
48404
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   790
            let
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   791
              val name = nickname_of th
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   792
              val (n, reps) =
48439
67a6bcbd3587 removed MaSh junk arising from primrec definitions
blanchet
parents: 48438
diff changeset
   793
                case deps_of status th of
48404
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   794
                  SOME deps => (n + 1, (name, deps) :: reps)
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   795
                | NONE => (n, reps)
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   796
              val (reps, next_commit) =
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   797
                if Time.> (Timer.checkRealTimer timer, next_commit) then
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   798
                  (commit false [] reps; ([], next_commit_time ()))
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   799
                else
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   800
                  (reps, next_commit)
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   801
              val timed_out = Time.> (Timer.checkRealTimer timer, learn_timeout)
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   802
            in (reps, (n, next_commit, timed_out)) end
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   803
        val n =
48433
9e9b6e363859 don't relearn old facts in Isar mode
blanchet
parents: 48408
diff changeset
   804
          if not atp orelse null old_facts then
48404
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   805
            n
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   806
          else
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   807
            let
48406
b002cc16aa99 honor suggested MaSh weights
blanchet
parents: 48404
diff changeset
   808
              fun priority_of (_, th) =
48404
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   809
                random_range 0 (1000 * max_dependencies)
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   810
                - 500 * (th |> isar_dependencies_of all_names
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   811
                            |> Option.map length
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   812
                            |> the_default max_dependencies)
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   813
              val old_facts =
48406
b002cc16aa99 honor suggested MaSh weights
blanchet
parents: 48404
diff changeset
   814
                old_facts |> map (`priority_of)
48404
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   815
                          |> sort (int_ord o pairself fst)
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   816
                          |> map snd
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   817
              val (reps, (n, _, _)) =
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   818
                ([], (n, next_commit_time (), false))
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   819
                |> fold relearn_old_fact old_facts
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   820
            in commit true [] reps; n end
48318
325c8fd0d762 more consolidation of MaSh code
blanchet
parents: 48316
diff changeset
   821
      in
48404
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   822
        if verbose orelse auto_level < 2 then
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   823
          "Learned " ^ string_of_int n ^ " nontrivial " ^
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   824
          (if atp then "ATP" else "Isar") ^ " proof" ^ plural_s n ^
48319
340187063d84 use async manager to manage MaSh learners to make sure they get killed cleanly
blanchet
parents: 48318
diff changeset
   825
          (if verbose then
340187063d84 use async manager to manage MaSh learners to make sure they get killed cleanly
blanchet
parents: 48318
diff changeset
   826
             " in " ^ string_from_time (Timer.checkRealTimer timer)
340187063d84 use async manager to manage MaSh learners to make sure they get killed cleanly
blanchet
parents: 48318
diff changeset
   827
           else
340187063d84 use async manager to manage MaSh learners to make sure they get killed cleanly
blanchet
parents: 48318
diff changeset
   828
             "") ^ "."
340187063d84 use async manager to manage MaSh learners to make sure they get killed cleanly
blanchet
parents: 48318
diff changeset
   829
        else
340187063d84 use async manager to manage MaSh learners to make sure they get killed cleanly
blanchet
parents: 48318
diff changeset
   830
          ""
48318
325c8fd0d762 more consolidation of MaSh code
blanchet
parents: 48316
diff changeset
   831
      end
48308
89674e5a4d35 make tracing an option
blanchet
parents: 48306
diff changeset
   832
  end
48304
50e64af9c829 more work on MaSh
blanchet
parents: 48303
diff changeset
   833
48404
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   834
fun mash_learn ctxt (params as {provers, timeout, ...}) fact_override chained
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   835
               atp =
48316
252f45c04042 drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents: 48315
diff changeset
   836
  let
48396
dd82d190c2af name tuning
blanchet
parents: 48395
diff changeset
   837
    val css = Sledgehammer_Fact.clasimpset_rule_table_of ctxt
48395
85a7fb65507a learning should honor the fact override and the chained facts
blanchet
parents: 48394
diff changeset
   838
    val ctxt = ctxt |> Config.put instantiate_inducts false
85a7fb65507a learning should honor the fact override and the chained facts
blanchet
parents: 48394
diff changeset
   839
    val facts =
48396
dd82d190c2af name tuning
blanchet
parents: 48395
diff changeset
   840
      nearly_all_facts ctxt false fact_override Symtab.empty css chained []
dd82d190c2af name tuning
blanchet
parents: 48395
diff changeset
   841
                       @{prop True}
48404
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   842
    val num_facts = length facts
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   843
    val prover = hd provers
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   844
    fun learn auto_level atp =
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   845
      mash_learn_facts ctxt params prover auto_level atp infinite_timeout facts
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   846
      |> Output.urgent_message
48316
252f45c04042 drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents: 48315
diff changeset
   847
  in
48404
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   848
    (if atp then
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   849
       ("MaShing through " ^ string_of_int num_facts ^ " fact" ^
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   850
        plural_s num_facts ^ " for ATP proofs (" ^ quote prover ^ " timeout: " ^
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   851
        string_from_time timeout ^ ").\n\nCollecting Isar proofs first..."
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   852
        |> Output.urgent_message;
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   853
        learn 1 false;
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   854
        "Now collecting ATP proofs. This may take several hours. You can \
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   855
        \safely stop the learning process at any point."
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   856
        |> Output.urgent_message;
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   857
        learn 0 true)
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   858
     else
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   859
       ("MaShing through " ^ string_of_int num_facts ^ " fact" ^
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   860
        plural_s num_facts ^ " for Isar proofs..."
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   861
        |> Output.urgent_message;
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   862
        learn 0 false))
48316
252f45c04042 drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents: 48315
diff changeset
   863
  end
48249
2bd242c56c90 dummy implementation
blanchet
parents: 48248
diff changeset
   864
48318
325c8fd0d762 more consolidation of MaSh code
blanchet
parents: 48316
diff changeset
   865
(* The threshold should be large enough so that MaSh doesn't kick in for Auto
325c8fd0d762 more consolidation of MaSh code
blanchet
parents: 48316
diff changeset
   866
   Sledgehammer and Try. *)
325c8fd0d762 more consolidation of MaSh code
blanchet
parents: 48316
diff changeset
   867
val min_secs_for_learning = 15
325c8fd0d762 more consolidation of MaSh code
blanchet
parents: 48316
diff changeset
   868
48321
c552d7f1720b learn from minimized ATP proofs
blanchet
parents: 48320
diff changeset
   869
fun relevant_facts ctxt (params as {learn, fact_filter, timeout, ...}) prover
c552d7f1720b learn from minimized ATP proofs
blanchet
parents: 48320
diff changeset
   870
        max_facts ({add, only, ...} : fact_override) hyp_ts concl_t facts =
48314
ee33ba3c0e05 added option to control which fact filter is used
blanchet
parents: 48313
diff changeset
   871
  if not (subset (op =) (the_list fact_filter, fact_filters)) then
ee33ba3c0e05 added option to control which fact filter is used
blanchet
parents: 48313
diff changeset
   872
    error ("Unknown fact filter: " ^ quote (the fact_filter) ^ ".")
ee33ba3c0e05 added option to control which fact filter is used
blanchet
parents: 48313
diff changeset
   873
  else if only then
48289
6b65f1ad0e4b systematize lazy names in relevance filter
blanchet
parents: 48288
diff changeset
   874
    facts
48321
c552d7f1720b learn from minimized ATP proofs
blanchet
parents: 48320
diff changeset
   875
  else if max_facts <= 0 orelse null facts then
48288
255c6e1fd505 rationalize relevance filter, slowing moving code from Iter to MaSh
blanchet
parents: 48251
diff changeset
   876
    []
255c6e1fd505 rationalize relevance filter, slowing moving code from Iter to MaSh
blanchet
parents: 48251
diff changeset
   877
  else
255c6e1fd505 rationalize relevance filter, slowing moving code from Iter to MaSh
blanchet
parents: 48251
diff changeset
   878
    let
48327
568b3193e53e don't include hidden facts in relevance filter + tweak MaSh learning
blanchet
parents: 48326
diff changeset
   879
      fun maybe_learn () =
48384
83dc102041e6 learn on explicit "min" command but do the learning in a thread, since it may take a couple of seconds
blanchet
parents: 48383
diff changeset
   880
        if learn andalso not (Async_Manager.has_running_threads MaShN) andalso
83dc102041e6 learn on explicit "min" command but do the learning in a thread, since it may take a couple of seconds
blanchet
parents: 48383
diff changeset
   881
           Time.toSeconds timeout >= min_secs_for_learning then
83dc102041e6 learn on explicit "min" command but do the learning in a thread, since it may take a couple of seconds
blanchet
parents: 48383
diff changeset
   882
          let val timeout = time_mult learn_timeout_slack timeout in
83dc102041e6 learn on explicit "min" command but do the learning in a thread, since it may take a couple of seconds
blanchet
parents: 48383
diff changeset
   883
            launch_thread timeout
48404
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   884
                (fn () => (true, mash_learn_facts ctxt params prover 2 false
48392
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   885
                                                  timeout facts))
48319
340187063d84 use async manager to manage MaSh learners to make sure they get killed cleanly
blanchet
parents: 48318
diff changeset
   886
          end
48318
325c8fd0d762 more consolidation of MaSh code
blanchet
parents: 48316
diff changeset
   887
        else
325c8fd0d762 more consolidation of MaSh code
blanchet
parents: 48316
diff changeset
   888
          ()
48314
ee33ba3c0e05 added option to control which fact filter is used
blanchet
parents: 48313
diff changeset
   889
      val fact_filter =
ee33ba3c0e05 added option to control which fact filter is used
blanchet
parents: 48313
diff changeset
   890
        case fact_filter of
48379
2b5ad61e2ccc renamed "iter" fact filter to "MePo" (Meng--Paulson)
blanchet
parents: 48378
diff changeset
   891
          SOME ff => (() |> ff <> mepoN ? maybe_learn; ff)
48318
325c8fd0d762 more consolidation of MaSh code
blanchet
parents: 48316
diff changeset
   892
        | NONE =>
48407
47fe0ca12fc2 faster maximal node computation
blanchet
parents: 48406
diff changeset
   893
          if is_smt_prover ctxt prover then
47fe0ca12fc2 faster maximal node computation
blanchet
parents: 48406
diff changeset
   894
            mepoN
47fe0ca12fc2 faster maximal node computation
blanchet
parents: 48406
diff changeset
   895
          else if mash_could_suggest_facts () then
47fe0ca12fc2 faster maximal node computation
blanchet
parents: 48406
diff changeset
   896
            (maybe_learn ();
47fe0ca12fc2 faster maximal node computation
blanchet
parents: 48406
diff changeset
   897
             if mash_can_suggest_facts ctxt then meshN else mepoN)
47fe0ca12fc2 faster maximal node computation
blanchet
parents: 48406
diff changeset
   898
          else
47fe0ca12fc2 faster maximal node computation
blanchet
parents: 48406
diff changeset
   899
            mepoN
48288
255c6e1fd505 rationalize relevance filter, slowing moving code from Iter to MaSh
blanchet
parents: 48251
diff changeset
   900
      val add_ths = Attrib.eval_thms ctxt add
48292
7fcee834c7f5 more code rationalization in relevance filter
blanchet
parents: 48289
diff changeset
   901
      fun prepend_facts ths accepts =
48288
255c6e1fd505 rationalize relevance filter, slowing moving code from Iter to MaSh
blanchet
parents: 48251
diff changeset
   902
        ((facts |> filter (member Thm.eq_thm_prop ths o snd)) @
48292
7fcee834c7f5 more code rationalization in relevance filter
blanchet
parents: 48289
diff changeset
   903
         (accepts |> filter_out (member Thm.eq_thm_prop ths o snd)))
48293
914ca0827804 renamed Sledgehammer options
blanchet
parents: 48292
diff changeset
   904
        |> take max_facts
48406
b002cc16aa99 honor suggested MaSh weights
blanchet
parents: 48404
diff changeset
   905
      fun mepo () =
b002cc16aa99 honor suggested MaSh weights
blanchet
parents: 48404
diff changeset
   906
        facts |> mepo_suggested_facts ctxt params prover max_facts NONE hyp_ts
b002cc16aa99 honor suggested MaSh weights
blanchet
parents: 48404
diff changeset
   907
                                      concl_t
b002cc16aa99 honor suggested MaSh weights
blanchet
parents: 48404
diff changeset
   908
              |> weight_mepo_facts
48314
ee33ba3c0e05 added option to control which fact filter is used
blanchet
parents: 48313
diff changeset
   909
      fun mash () =
48406
b002cc16aa99 honor suggested MaSh weights
blanchet
parents: 48404
diff changeset
   910
        mash_suggested_facts ctxt params prover max_facts hyp_ts concl_t facts
48314
ee33ba3c0e05 added option to control which fact filter is used
blanchet
parents: 48313
diff changeset
   911
      val mess =
48406
b002cc16aa99 honor suggested MaSh weights
blanchet
parents: 48404
diff changeset
   912
        [] |> (if fact_filter <> mashN then cons (mepo (), []) else I)
48379
2b5ad61e2ccc renamed "iter" fact filter to "MePo" (Meng--Paulson)
blanchet
parents: 48378
diff changeset
   913
           |> (if fact_filter <> mepoN then cons (mash ()) else I)
48288
255c6e1fd505 rationalize relevance filter, slowing moving code from Iter to MaSh
blanchet
parents: 48251
diff changeset
   914
    in
48313
0faafdffa662 mesh facts by taking into consideration whether a fact is known to MeSh
blanchet
parents: 48312
diff changeset
   915
      mesh_facts max_facts mess
48288
255c6e1fd505 rationalize relevance filter, slowing moving code from Iter to MaSh
blanchet
parents: 48251
diff changeset
   916
      |> not (null add_ths) ? prepend_facts add_ths
255c6e1fd505 rationalize relevance filter, slowing moving code from Iter to MaSh
blanchet
parents: 48251
diff changeset
   917
    end
255c6e1fd505 rationalize relevance filter, slowing moving code from Iter to MaSh
blanchet
parents: 48251
diff changeset
   918
48319
340187063d84 use async manager to manage MaSh learners to make sure they get killed cleanly
blanchet
parents: 48318
diff changeset
   919
fun kill_learners () = Async_Manager.kill_threads MaShN "learner"
340187063d84 use async manager to manage MaSh learners to make sure they get killed cleanly
blanchet
parents: 48318
diff changeset
   920
fun running_learners () = Async_Manager.running_threads MaShN "learner"
340187063d84 use async manager to manage MaSh learners to make sure they get killed cleanly
blanchet
parents: 48318
diff changeset
   921
48248
b6eb45a52c28 split relevance filter code into three files
blanchet
parents:
diff changeset
   922
end;