src/HOL/Tools/Sledgehammer/sledgehammer_mash.ML
author blanchet
Wed, 21 Aug 2013 15:18:06 +0200
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child 53129 f92b24047fc7
permissions -rw-r--r--
get rid of some silly MaSh features
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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 raw_fact = Sledgehammer_Fact.raw_fact
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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 MePoN : string
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  val MaShN : string
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  val MeShN : 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_proverN : string
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  val relearn_isarN : string
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  val relearn_proverN : string
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  val fact_filters : string list
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  val encode_str : string -> string
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  val encode_strs : string list -> string
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  val unencode_str : string -> string
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  val unencode_strs : string -> string list
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  val encode_features : (string * real) list -> string
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  val extract_suggestions : string -> string * string list
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  structure MaSh:
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  sig
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    val unlearn : Proof.context -> unit
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    val learn :
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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 relearn :
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      Proof.context -> bool -> (string * string list) list -> unit
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    val query :
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      Proof.context -> bool -> int
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      -> (string * string list * string list * string list) list
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         * string list * string list * (string * real) list
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      -> string list
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  end
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  val mash_unlearn : Proof.context -> unit
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  val nickname_of_thm : thm -> string
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  val find_suggested_facts :
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    Proof.context -> ('b * thm) list -> string list -> ('b * thm) list
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  val mesh_facts :
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    ('a * 'a -> bool) -> int -> (real * (('a * real) list * 'a list)) list
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    -> 'a list
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  val crude_thm_ord : thm * thm -> order
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  val thm_less : thm * thm -> bool
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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 -> int -> int Symtab.table -> stature
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    -> term list -> (string * real) list
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  val trim_dependencies : string list -> string list option
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  val isar_dependencies_of :
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    string Symtab.table * string Symtab.table -> thm -> string list
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  val prover_dependencies_of :
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    Proof.context -> params -> string -> int -> raw_fact list
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    -> string Symtab.table * string Symtab.table -> thm
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    -> bool * string list
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  val attach_parents_to_facts :
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    ('a * thm) list -> ('a * thm) list -> (string list * ('a * thm)) list
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  val weight_mepo_facts : 'a list -> ('a * real) list
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  val weight_mash_facts : 'a list -> ('a * real) list
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  val find_mash_suggestions :
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    Proof.context -> int -> string list -> ('b * thm) list -> ('b * thm) list
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    -> ('b * thm) list -> ('b * thm) list * ('b * thm) list
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  val add_const_counts : term -> int Symtab.table -> int Symtab.table
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  val mash_suggested_facts :
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    Proof.context -> params -> string -> int -> term list -> term
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    -> raw_fact list -> fact 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 is_mash_enabled : unit -> bool
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  val mash_can_suggest_facts : Proof.context -> bool
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  val generous_max_facts : int -> int
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  val mepo_weight : real
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  val mash_weight : real
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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 -> raw_fact list -> (string * fact list) 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 MePoN = "MePo"
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val MaShN = "MaSh"
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val MeShN = "MeSh"
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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_proverN = "learn_prover"
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val relearn_isarN = "relearn_isar"
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val relearn_proverN = "relearn_prover"
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fun mash_model_dir () =
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  Path.explode "$ISABELLE_HOME_USER/mash" |> tap Isabelle_System.mkdir
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val mash_state_dir = mash_model_dir
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fun mash_state_file () = Path.append (mash_state_dir ()) (Path.explode "state")
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(*** Low-level communication with MaSh ***)
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val save_models_arg = "--saveModels"
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val shutdown_server_arg = "--shutdownServer"
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fun wipe_out_file file = (try (File.rm o Path.explode) file; ())
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fun write_file banner (xs, f) path =
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  (case banner of SOME s => File.write path s | NONE => ();
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   xs |> chunk_list 500 |> List.app (File.append path o implode o map f))
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  handle IO.Io _ => ()
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fun run_mash_tool ctxt overlord extra_args write_cmds read_suggs =
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  let
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    val (temp_dir, serial) =
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      if overlord then (getenv "ISABELLE_HOME_USER", "")
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      else (getenv "ISABELLE_TMP", serial_string ())
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    val log_file = if overlord then temp_dir ^ "/mash_log" else "/dev/null"
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    val err_file = temp_dir ^ "/mash_err" ^ serial
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    val sugg_file = temp_dir ^ "/mash_suggs" ^ serial
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    val sugg_path = Path.explode sugg_file
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    val cmd_file = temp_dir ^ "/mash_commands" ^ serial
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    val cmd_path = Path.explode cmd_file
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    val model_dir = File.shell_path (mash_model_dir ())
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    val core = "--inputFile " ^ cmd_file ^ " --predictions " ^ sugg_file
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    val command =
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      "cd \"$ISABELLE_SLEDGEHAMMER_MASH\"/src; " ^
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      "./mash.py --quiet" ^
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      " --outputDir " ^ model_dir ^
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      " --modelFile=" ^ model_dir ^ "/model.pickle" ^
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      " --dictsFile=" ^ model_dir ^ "/dict.pickle" ^
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      " --log " ^ log_file ^ " " ^ core ^
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      (if extra_args = [] then "" else " " ^ space_implode " " extra_args) ^
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      " >& " ^ err_file
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    fun run_on () =
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      (Isabelle_System.bash command
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       |> tap (fn _ => trace_msg ctxt (fn () =>
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              case try File.read (Path.explode err_file) of
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                NONE => "Done"
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              | SOME "" => "Done"
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              | SOME s => "Error: " ^ elide_string 1000 s));
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       read_suggs (fn () => try File.read_lines sugg_path |> these))
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    fun clean_up () =
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      if overlord then ()
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      else List.app wipe_out_file [err_file, sugg_file, cmd_file]
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  in
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    write_file (SOME "") ([], K "") sugg_path;
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    write_file (SOME "") write_cmds cmd_path;
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    trace_msg ctxt (fn () => "Running " ^ command);
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    with_cleanup clean_up run_on ()
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  end
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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 encode_str = String.translate meta_char
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val encode_strs = map encode_str #> space_implode " "
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val unencode_str = String.explode #> unmeta_chars []
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val unencode_strs =
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  space_explode " " #> filter_out (curry (op =) "") #> map unencode_str
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fun freshish_name () =
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  Date.fmt ".%Y%m%d_%H%M%S__" (Date.fromTimeLocal (Time.now ())) ^
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  serial_string ()
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fun encode_feature (name, weight) =
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  encode_str name ^
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  (if Real.== (weight, 1.0) then "" else "=" ^ Markup.print_real weight)
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val encode_features = map encode_feature #> space_implode " "
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fun str_of_learn (name, parents, feats, deps) =
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  "! " ^ encode_str name ^ ": " ^ encode_strs parents ^ "; " ^
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  encode_strs feats ^ "; " ^ encode_strs deps ^ "\n"
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fun str_of_relearn (name, deps) =
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  "p " ^ encode_str name ^ ": " ^ encode_strs deps ^ "\n"
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fun str_of_query max_suggs (learns, hints, parents, feats) =
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  implode (map str_of_learn learns) ^
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  "? " ^ string_of_int max_suggs ^ " # " ^ encode_strs parents ^ "; " ^
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  encode_features feats ^
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  (if null hints then "" else "; " ^ encode_strs hints) ^ "\n"
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(* The suggested weights don't make much sense. *)
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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 (unencode_str name (* , Real.fromString weight |> the_default 1.0 *))
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  | [name] => SOME (unencode_str name (* , 1.0 *))
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  | _ => NONE
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fun extract_suggestions line =
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  case space_explode ":" line of
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    [goal, suggs] =>
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    (unencode_str goal, map_filter extract_suggestion (space_explode " " suggs))
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  | _ => ("", [])
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structure MaSh =
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struct
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fun unlearn ctxt =
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  let val path = mash_model_dir () in
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    trace_msg ctxt (K "MaSh unlearn");
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    run_mash_tool ctxt false [shutdown_server_arg] ([], K "");
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    try (File.fold_dir (fn file => fn _ =>
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                           try File.rm (Path.append path (Path.basic file)))
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                       path) NONE;
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    ()
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  end
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fun learn _ _ [] = ()
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  | learn ctxt overlord learns =
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    (trace_msg ctxt (fn () => "MaSh learn " ^
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         elide_string 1000 (space_implode " " (map #1 learns)));
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     run_mash_tool ctxt overlord [save_models_arg] (learns, str_of_learn)
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                   (K ()))
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fun relearn _ _ [] = ()
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  | relearn ctxt overlord relearns =
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    (trace_msg ctxt (fn () => "MaSh relearn " ^
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         elide_string 1000 (space_implode " " (map #1 relearns)));
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     run_mash_tool ctxt overlord [save_models_arg] (relearns, str_of_relearn)
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                   (K ()))
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fun query ctxt overlord max_suggs (query as (_, _, _, feats)) =
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  (trace_msg ctxt (fn () => "MaSh query " ^ encode_features feats);
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   run_mash_tool ctxt overlord [] ([query], str_of_query max_suggs)
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       (fn suggs =>
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           case suggs () of
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             [] => []
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           | suggs => snd (extract_suggestions (List.last suggs)))
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   handle List.Empty => [])
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end;
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(*** Middle-level communication with MaSh ***)
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datatype proof_kind =
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  Isar_Proof | Automatic_Proof | Isar_Proof_wegen_Prover_Flop
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fun str_of_proof_kind Isar_Proof = "i"
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  | str_of_proof_kind Automatic_Proof = "a"
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  | str_of_proof_kind Isar_Proof_wegen_Prover_Flop = "x"
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fun proof_kind_of_str "i" = Isar_Proof
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  | proof_kind_of_str "a" = Automatic_Proof
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  | proof_kind_of_str "x" = Isar_Proof_wegen_Prover_Flop
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(* FIXME: Here a "Graph.update_node" function would be useful *)
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fun update_access_graph_node (name, kind) =
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  Graph.default_node (name, Isar_Proof)
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  #> kind <> Isar_Proof ? Graph.map_node name (K kind)
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fun try_graph ctxt when def f =
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  f ()
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  handle Graph.CYCLES (cycle :: _) =>
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         (trace_msg ctxt (fn () =>
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              "Cycle involving " ^ commas cycle ^ " when " ^ when); def)
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       | Graph.DUP name =>
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         (trace_msg ctxt (fn () =>
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              "Duplicate fact " ^ quote name ^ " when " ^ when); def)
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       | Graph.UNDEF name =>
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         (trace_msg ctxt (fn () =>
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              "Unknown fact " ^ quote name ^ " when " ^ when); def)
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       | exn =>
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         if Exn.is_interrupt exn then
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           reraise exn
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         else
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           (trace_msg ctxt (fn () =>
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                "Internal error when " ^ when ^ ":\n" ^
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                ML_Compiler.exn_message exn); def)
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fun graph_info G =
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  string_of_int (length (Graph.keys G)) ^ " node(s), " ^
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  string_of_int (fold (Integer.add o length o snd) (Graph.dest G) 0) ^
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  " edge(s), " ^
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  string_of_int (length (Graph.minimals G)) ^ " minimal, " ^
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  string_of_int (length (Graph.maximals G)) ^ " maximal"
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type mash_state =
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  {access_G : unit Graph.T,
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   num_known_facts : int,
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   dirty : string list option}
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val empty_state = {access_G = Graph.empty, num_known_facts = 0, dirty = SOME []}
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local
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val version = "*** MaSh version 20130820 ***"
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exception FILE_VERSION_TOO_NEW of unit
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fun extract_node line =
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  case space_explode ":" line of
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    [head, parents] =>
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    (case space_explode " " head of
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       [kind, name] =>
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       SOME (unencode_str name, unencode_strs parents,
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             try proof_kind_of_str kind |> the_default Isar_Proof)
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     | _ => NONE)
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  | _ => NONE
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fun load _ (state as (true, _)) = state
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  | load ctxt _ =
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    let val path = mash_state_file () in
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      (true,
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       case try File.read_lines path of
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         SOME (version' :: node_lines) =>
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         let
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           fun add_edge_to name parent =
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             Graph.default_node (parent, Isar_Proof)
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             #> Graph.add_edge (parent, name)
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           fun add_node line =
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             case extract_node line of
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               NONE => I (* shouldn't happen *)
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             | SOME (name, parents, kind) =>
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               update_access_graph_node (name, kind)
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               #> fold (add_edge_to name) parents
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           val (access_G, num_known_facts) =
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             case string_ord (version', version) of
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               EQUAL =>
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               (try_graph ctxt "loading state" Graph.empty (fn () =>
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                    fold add_node node_lines Graph.empty),
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                length node_lines)
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             | LESS =>
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               (* can't parse old file *)
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               (MaSh.unlearn ctxt; (Graph.empty, 0))
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             | GREATER => raise FILE_VERSION_TOO_NEW ()
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         in
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           trace_msg ctxt (fn () =>
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               "Loaded fact graph (" ^ graph_info access_G ^ ")");
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           {access_G = access_G, num_known_facts = num_known_facts,
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            dirty = SOME []}
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         end
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       | _ => empty_state)
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    end
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fun save _ (state as {dirty = SOME [], ...}) = state
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  | save ctxt {access_G, num_known_facts, dirty} =
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    let
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      fun str_of_entry (name, parents, kind) =
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        str_of_proof_kind kind ^ " " ^ encode_str name ^ ": " ^
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        encode_strs parents ^ "\n"
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      fun append_entry (name, (kind, (parents, _))) =
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        cons (name, Graph.Keys.dest parents, kind)
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      val (banner, entries) =
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        case dirty of
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   402
          SOME names =>
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   403
          (NONE, fold (append_entry o Graph.get_entry access_G) names [])
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   404
        | NONE => (SOME (version ^ "\n"), Graph.fold append_entry access_G [])
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   405
    in
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   406
      write_file banner (entries, str_of_entry) (mash_state_file ());
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   407
      trace_msg ctxt (fn () =>
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   408
          "Saved fact graph (" ^ graph_info access_G ^
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   409
          (case dirty of
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   410
             SOME dirty =>
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   411
             "; " ^ string_of_int (length dirty) ^ " dirty fact(s)"
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   412
           | _ => "") ^  ")");
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      {access_G = access_G, num_known_facts = num_known_facts, dirty = SOME []}
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    end
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   415
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   416
val global_state =
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   417
  Synchronized.var "Sledgehammer_MaSh.global_state" (false, empty_state)
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   419
in
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   420
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   421
fun map_state ctxt f =
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   422
  Synchronized.change global_state (load ctxt ##> (f #> save ctxt))
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  handle FILE_VERSION_TOO_NEW () => ()
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   424
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fun peek_state ctxt f =
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  Synchronized.change_result global_state
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      (perhaps (try (load ctxt)) #> `snd #>> f)
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   428
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   429
fun clear_state ctxt =
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   430
  Synchronized.change global_state (fn _ =>
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   431
      (MaSh.unlearn ctxt; (* also removes the state file *)
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       (true, empty_state)))
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   433
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   434
end
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   435
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   436
val mash_unlearn = clear_state
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   437
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   438
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   439
(*** Isabelle helpers ***)
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   440
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val local_prefix = "local" ^ Long_Name.separator
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   443
fun elided_backquote_thm threshold th =
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   444
  elide_string threshold
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   445
    (backquote_thm (Proof_Context.init_global (Thm.theory_of_thm th)) th)
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   446
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val thy_name_of_thm = Context.theory_name o Thm.theory_of_thm
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   448
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   449
fun nickname_of_thm th =
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  if Thm.has_name_hint th then
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   451
    let val hint = Thm.get_name_hint th in
50722
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   452
      (* There must be a better way to detect local facts. *)
48394
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   453
      case try (unprefix local_prefix) hint of
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   454
        SOME suf =>
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   455
        thy_name_of_thm th ^ Long_Name.separator ^ suf ^
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diff changeset
   456
        Long_Name.separator ^ elided_backquote_thm 50 th
48394
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   457
      | NONE => hint
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   458
    end
82fc8c956cdc fixed various issues with MaSh's file handling + tune output + generate local facts again + handle nameless facts gracefully
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   459
  else
50722
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   460
    elided_backquote_thm 200 th
48378
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   461
51134
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   462
fun find_suggested_facts ctxt facts =
48330
192444b53e86 speed up MaSh queries
blanchet
parents: 48329
diff changeset
   463
  let
51134
d03ded5dcf65 more MaSh tracing
blanchet
parents: 51133
diff changeset
   464
    fun add (fact as (_, th)) = Symtab.default (nickname_of_thm th, fact)
d03ded5dcf65 more MaSh tracing
blanchet
parents: 51133
diff changeset
   465
    val tab = fold add facts Symtab.empty
d03ded5dcf65 more MaSh tracing
blanchet
parents: 51133
diff changeset
   466
    fun lookup nick =
d03ded5dcf65 more MaSh tracing
blanchet
parents: 51133
diff changeset
   467
      Symtab.lookup tab nick
d03ded5dcf65 more MaSh tracing
blanchet
parents: 51133
diff changeset
   468
      |> tap (fn NONE => trace_msg ctxt (fn () => "Cannot find " ^ quote nick)
d03ded5dcf65 more MaSh tracing
blanchet
parents: 51133
diff changeset
   469
               | _ => ())
d03ded5dcf65 more MaSh tracing
blanchet
parents: 51133
diff changeset
   470
  in map_filter lookup end
48311
3c4e10606567 implemented MaSh QUERY operation
blanchet
parents: 48309
diff changeset
   471
50383
4274b25ff4e7 take proximity into account for MaSh + fix a debilitating bug in feature generation
blanchet
parents: 50382
diff changeset
   472
fun scaled_avg [] = 0
4274b25ff4e7 take proximity into account for MaSh + fix a debilitating bug in feature generation
blanchet
parents: 50382
diff changeset
   473
  | scaled_avg xs =
48407
47fe0ca12fc2 faster maximal node computation
blanchet
parents: 48406
diff changeset
   474
    Real.ceil (100000000.0 * fold (curry (op +)) xs 0.0) div length xs
48328
ca0b7d19dd62 attempt at meshing according to more meaningful factors
blanchet
parents: 48327
diff changeset
   475
50383
4274b25ff4e7 take proximity into account for MaSh + fix a debilitating bug in feature generation
blanchet
parents: 50382
diff changeset
   476
fun avg [] = 0.0
4274b25ff4e7 take proximity into account for MaSh + fix a debilitating bug in feature generation
blanchet
parents: 50382
diff changeset
   477
  | avg xs = fold (curry (op +)) xs 0.0 / Real.fromInt (length xs)
48313
0faafdffa662 mesh facts by taking into consideration whether a fact is known to MeSh
blanchet
parents: 48312
diff changeset
   478
50383
4274b25ff4e7 take proximity into account for MaSh + fix a debilitating bug in feature generation
blanchet
parents: 50382
diff changeset
   479
fun normalize_scores _ [] = []
4274b25ff4e7 take proximity into account for MaSh + fix a debilitating bug in feature generation
blanchet
parents: 50382
diff changeset
   480
  | normalize_scores max_facts xs =
4274b25ff4e7 take proximity into account for MaSh + fix a debilitating bug in feature generation
blanchet
parents: 50382
diff changeset
   481
    let val avg = avg (map snd (take max_facts xs)) in
4274b25ff4e7 take proximity into account for MaSh + fix a debilitating bug in feature generation
blanchet
parents: 50382
diff changeset
   482
      map (apsnd (curry Real.* (1.0 / avg))) xs
4274b25ff4e7 take proximity into account for MaSh + fix a debilitating bug in feature generation
blanchet
parents: 50382
diff changeset
   483
    end
4274b25ff4e7 take proximity into account for MaSh + fix a debilitating bug in feature generation
blanchet
parents: 50382
diff changeset
   484
50814
4247cbd78aaf export MeSh data as well
blanchet
parents: 50755
diff changeset
   485
fun mesh_facts _ max_facts [(_, (sels, unks))] =
48406
b002cc16aa99 honor suggested MaSh weights
blanchet
parents: 48404
diff changeset
   486
    map fst (take max_facts sels) @ take (max_facts - length sels) unks
50861
fa4253914e98 honor unknown chained in MaSh and a few other tweaks
blanchet
parents: 50860
diff changeset
   487
  | mesh_facts fact_eq max_facts mess =
48314
ee33ba3c0e05 added option to control which fact filter is used
blanchet
parents: 48313
diff changeset
   488
    let
51029
211a9240b1e3 killed deadcode
blanchet
parents: 51025
diff changeset
   489
      val mess = mess |> map (apsnd (apfst (normalize_scores max_facts)))
211a9240b1e3 killed deadcode
blanchet
parents: 51025
diff changeset
   490
      fun score_in fact (global_weight, (sels, unks)) =
50383
4274b25ff4e7 take proximity into account for MaSh + fix a debilitating bug in feature generation
blanchet
parents: 50382
diff changeset
   491
        let
4274b25ff4e7 take proximity into account for MaSh + fix a debilitating bug in feature generation
blanchet
parents: 50382
diff changeset
   492
          fun score_at j =
4274b25ff4e7 take proximity into account for MaSh + fix a debilitating bug in feature generation
blanchet
parents: 50382
diff changeset
   493
            case try (nth sels) j of
4274b25ff4e7 take proximity into account for MaSh + fix a debilitating bug in feature generation
blanchet
parents: 50382
diff changeset
   494
              SOME (_, score) => SOME (global_weight * score)
4274b25ff4e7 take proximity into account for MaSh + fix a debilitating bug in feature generation
blanchet
parents: 50382
diff changeset
   495
            | NONE => NONE
4274b25ff4e7 take proximity into account for MaSh + fix a debilitating bug in feature generation
blanchet
parents: 50382
diff changeset
   496
        in
4274b25ff4e7 take proximity into account for MaSh + fix a debilitating bug in feature generation
blanchet
parents: 50382
diff changeset
   497
          case find_index (curry fact_eq fact o fst) sels of
4274b25ff4e7 take proximity into account for MaSh + fix a debilitating bug in feature generation
blanchet
parents: 50382
diff changeset
   498
            ~1 => (case find_index (curry fact_eq fact) unks of
50861
fa4253914e98 honor unknown chained in MaSh and a few other tweaks
blanchet
parents: 50860
diff changeset
   499
                     ~1 => SOME 0.0
50383
4274b25ff4e7 take proximity into account for MaSh + fix a debilitating bug in feature generation
blanchet
parents: 50382
diff changeset
   500
                   | _ => NONE)
4274b25ff4e7 take proximity into account for MaSh + fix a debilitating bug in feature generation
blanchet
parents: 50382
diff changeset
   501
          | rank => score_at rank
4274b25ff4e7 take proximity into account for MaSh + fix a debilitating bug in feature generation
blanchet
parents: 50382
diff changeset
   502
        end
4274b25ff4e7 take proximity into account for MaSh + fix a debilitating bug in feature generation
blanchet
parents: 50382
diff changeset
   503
      fun weight_of fact = mess |> map_filter (score_in fact) |> scaled_avg
48406
b002cc16aa99 honor suggested MaSh weights
blanchet
parents: 48404
diff changeset
   504
      val facts =
51029
211a9240b1e3 killed deadcode
blanchet
parents: 51025
diff changeset
   505
        fold (union fact_eq o map fst o take max_facts o fst o snd) mess []
48314
ee33ba3c0e05 added option to control which fact filter is used
blanchet
parents: 48313
diff changeset
   506
    in
48406
b002cc16aa99 honor suggested MaSh weights
blanchet
parents: 48404
diff changeset
   507
      facts |> map (`weight_of) |> sort (int_ord o swap o pairself fst)
48328
ca0b7d19dd62 attempt at meshing according to more meaningful factors
blanchet
parents: 48327
diff changeset
   508
            |> map snd |> take max_facts
48314
ee33ba3c0e05 added option to control which fact filter is used
blanchet
parents: 48313
diff changeset
   509
    end
48312
b40722a81ac9 implemented meshing of Iter and MaSh results
blanchet
parents: 48311
diff changeset
   510
50874
2eae85887282 adjust weights -- sorts are prolific, so tone them down even more
blanchet
parents: 50869
diff changeset
   511
fun thy_feature_of s = ("y" ^ s, 8.0 (* FUDGE *))
2eae85887282 adjust weights -- sorts are prolific, so tone them down even more
blanchet
parents: 50869
diff changeset
   512
fun const_feature_of s = ("c" ^ s, 32.0 (* FUDGE *))
2eae85887282 adjust weights -- sorts are prolific, so tone them down even more
blanchet
parents: 50869
diff changeset
   513
fun free_feature_of s = ("f" ^ s, 40.0 (* FUDGE *))
2eae85887282 adjust weights -- sorts are prolific, so tone them down even more
blanchet
parents: 50869
diff changeset
   514
fun type_feature_of s = ("t" ^ s, 4.0 (* FUDGE *))
50584
4fff0898cc0e tuned weights -- keep same relative values, but use 1.0 as the least weight
blanchet
parents: 50583
diff changeset
   515
fun class_feature_of s = ("s" ^ s, 1.0 (* FUDGE *))
4fff0898cc0e tuned weights -- keep same relative values, but use 1.0 as the least weight
blanchet
parents: 50583
diff changeset
   516
fun status_feature_of status = (string_of_status status, 2.0 (* FUDGE *))
4fff0898cc0e tuned weights -- keep same relative values, but use 1.0 as the least weight
blanchet
parents: 50583
diff changeset
   517
val local_feature = ("local", 8.0 (* FUDGE *))
4fff0898cc0e tuned weights -- keep same relative values, but use 1.0 as the least weight
blanchet
parents: 50583
diff changeset
   518
val lams_feature = ("lams", 2.0 (* FUDGE *))
4fff0898cc0e tuned weights -- keep same relative values, but use 1.0 as the least weight
blanchet
parents: 50583
diff changeset
   519
val skos_feature = ("skos", 2.0 (* FUDGE *))
48251
6cdcfbddc077 moved most of MaSh exporter code to Sledgehammer
blanchet
parents: 48249
diff changeset
   520
53127
60801776d8af weight MaSh constants by frequency
blanchet
parents: 53121
diff changeset
   521
fun weighted_const_feature_of num_facts const_tab const_s s =
60801776d8af weight MaSh constants by frequency
blanchet
parents: 53121
diff changeset
   522
  ("c" ^ s,
60801776d8af weight MaSh constants by frequency
blanchet
parents: 53121
diff changeset
   523
   if num_facts = 0 then
60801776d8af weight MaSh constants by frequency
blanchet
parents: 53121
diff changeset
   524
     0.0
60801776d8af weight MaSh constants by frequency
blanchet
parents: 53121
diff changeset
   525
   else
60801776d8af weight MaSh constants by frequency
blanchet
parents: 53121
diff changeset
   526
     let val count = Symtab.lookup const_tab const_s |> the_default 0 in
60801776d8af weight MaSh constants by frequency
blanchet
parents: 53121
diff changeset
   527
       16.0 + (Real.fromInt num_facts / Real.fromInt count)
60801776d8af weight MaSh constants by frequency
blanchet
parents: 53121
diff changeset
   528
     end)
60801776d8af weight MaSh constants by frequency
blanchet
parents: 53121
diff changeset
   529
51136
fdcc06013f2d avoid crude/wrong theorem comparision
blanchet
parents: 51135
diff changeset
   530
(* The following "crude" functions should be progressively phased out, since
fdcc06013f2d avoid crude/wrong theorem comparision
blanchet
parents: 51135
diff changeset
   531
   they create visibility edges that do not exist in Isabelle, resulting in
fdcc06013f2d avoid crude/wrong theorem comparision
blanchet
parents: 51135
diff changeset
   532
   failed lookups later on. *)
fdcc06013f2d avoid crude/wrong theorem comparision
blanchet
parents: 51135
diff changeset
   533
51135
e32114b25551 tuned code
blanchet
parents: 51134
diff changeset
   534
fun crude_theory_ord p =
50722
b422a48adc2d speed up generation of local theorem nicknames
blanchet
parents: 50718
diff changeset
   535
  if Theory.subthy p then
b422a48adc2d speed up generation of local theorem nicknames
blanchet
parents: 50718
diff changeset
   536
    if Theory.eq_thy p then EQUAL else LESS
48324
3ee5b5589402 speed up tautology/metaness check
blanchet
parents: 48323
diff changeset
   537
  else if Theory.subthy (swap p) then
3ee5b5589402 speed up tautology/metaness check
blanchet
parents: 48323
diff changeset
   538
    GREATER
3ee5b5589402 speed up tautology/metaness check
blanchet
parents: 48323
diff changeset
   539
  else case int_ord (pairself (length o Theory.ancestors_of) p) of
3ee5b5589402 speed up tautology/metaness check
blanchet
parents: 48323
diff changeset
   540
    EQUAL => string_ord (pairself Context.theory_name p)
3ee5b5589402 speed up tautology/metaness check
blanchet
parents: 48323
diff changeset
   541
  | order => order
3ee5b5589402 speed up tautology/metaness check
blanchet
parents: 48323
diff changeset
   542
51135
e32114b25551 tuned code
blanchet
parents: 51134
diff changeset
   543
fun crude_thm_ord p =
e32114b25551 tuned code
blanchet
parents: 51134
diff changeset
   544
  case crude_theory_ord (pairself theory_of_thm p) of
50359
da395f0e7dea tweaked order of theorems to avoid forward dependencies (MaSh)
blanchet
parents: 50357
diff changeset
   545
    EQUAL =>
50624
4d0997abce79 improved thm order hack, in case the default names are overridden
blanchet
parents: 50623
diff changeset
   546
    let val q = pairself nickname_of_thm p in
4d0997abce79 improved thm order hack, in case the default names are overridden
blanchet
parents: 50623
diff changeset
   547
      (* Hack to put "xxx_def" before "xxxI" and "xxxE" *)
4d0997abce79 improved thm order hack, in case the default names are overridden
blanchet
parents: 50623
diff changeset
   548
      case bool_ord (pairself (String.isSuffix "_def") (swap q)) of
4d0997abce79 improved thm order hack, in case the default names are overridden
blanchet
parents: 50623
diff changeset
   549
        EQUAL => string_ord q
4d0997abce79 improved thm order hack, in case the default names are overridden
blanchet
parents: 50623
diff changeset
   550
      | ord => ord
4d0997abce79 improved thm order hack, in case the default names are overridden
blanchet
parents: 50623
diff changeset
   551
    end
50359
da395f0e7dea tweaked order of theorems to avoid forward dependencies (MaSh)
blanchet
parents: 50357
diff changeset
   552
  | ord => ord
48324
3ee5b5589402 speed up tautology/metaness check
blanchet
parents: 48323
diff changeset
   553
51136
fdcc06013f2d avoid crude/wrong theorem comparision
blanchet
parents: 51135
diff changeset
   554
val thm_less_eq = Theory.subthy o pairself theory_of_thm
fdcc06013f2d avoid crude/wrong theorem comparision
blanchet
parents: 51135
diff changeset
   555
fun thm_less p = thm_less_eq p andalso not (thm_less_eq (swap p))
fdcc06013f2d avoid crude/wrong theorem comparision
blanchet
parents: 51135
diff changeset
   556
48392
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   557
val freezeT = Type.legacy_freeze_type
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   558
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   559
fun freeze (t $ u) = freeze t $ freeze u
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   560
  | freeze (Abs (s, T, t)) = Abs (s, freezeT T, freeze t)
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   561
  | freeze (Var ((s, _), T)) = Free (s, freezeT T)
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   562
  | freeze (Const (s, T)) = Const (s, freezeT T)
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   563
  | freeze (Free (s, T)) = Free (s, freezeT T)
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   564
  | freeze t = t
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   565
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   566
fun goal_of_thm thy = prop_of #> freeze #> cterm_of thy #> Goal.init
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   567
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   568
fun run_prover_for_mash ctxt params prover facts goal =
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   569
  let
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   570
    val problem =
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   571
      {state = Proof.init ctxt, goal = goal, subgoal = 1, subgoal_count = 1,
51010
afd0213a3dab tuned data structure
blanchet
parents: 51008
diff changeset
   572
       factss = [("", facts)]}
48392
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   573
  in
51187
c344cf148e8f avoid using "smt" for minimization -- better use the prover itself, since then Sledgehammer gets to try metis again and gives the opportunity to output an Isar proof -- and show Isar proof as fallback for SMT proofs
blanchet
parents: 51184
diff changeset
   574
    get_minimizing_prover ctxt MaSh (K (K ())) prover params (K (K (K "")))
c344cf148e8f avoid using "smt" for minimization -- better use the prover itself, since then Sledgehammer gets to try metis again and gives the opportunity to output an Isar proof -- and show Isar proof as fallback for SMT proofs
blanchet
parents: 51184
diff changeset
   575
                          problem
48392
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   576
  end
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   577
48326
ef800e91d072 removed debugging output
blanchet
parents: 48325
diff changeset
   578
val bad_types = [@{type_name prop}, @{type_name bool}, @{type_name fun}]
ef800e91d072 removed debugging output
blanchet
parents: 48325
diff changeset
   579
48398
b86450f5b5cb clean up interesting constants a bit
blanchet
parents: 48396
diff changeset
   580
val logical_consts =
b86450f5b5cb clean up interesting constants a bit
blanchet
parents: 48396
diff changeset
   581
  [@{const_name prop}, @{const_name Pure.conjunction}] @ atp_logical_consts
b86450f5b5cb clean up interesting constants a bit
blanchet
parents: 48396
diff changeset
   582
53086
15fe0ca088b3 MaSh tweaking: shorter names + killed (broken) SNoW
blanchet
parents: 53085
diff changeset
   583
val pat_tvar_prefix = "_"
15fe0ca088b3 MaSh tweaking: shorter names + killed (broken) SNoW
blanchet
parents: 53085
diff changeset
   584
val pat_var_prefix = "_"
15fe0ca088b3 MaSh tweaking: shorter names + killed (broken) SNoW
blanchet
parents: 53085
diff changeset
   585
53089
a58b3b8631c6 keep long names to stay on the safe side
blanchet
parents: 53086
diff changeset
   586
(* try "Long_Name.base_name" for shorter names *)
a58b3b8631c6 keep long names to stay on the safe side
blanchet
parents: 53086
diff changeset
   587
fun massage_long_name s = s
53083
019ecbb18e3f generate patterns for variables as well in MaSh (cf. HOL(y)Hammer)
blanchet
parents: 53082
diff changeset
   588
53086
15fe0ca088b3 MaSh tweaking: shorter names + killed (broken) SNoW
blanchet
parents: 53085
diff changeset
   589
val crude_str_of_sort =
15fe0ca088b3 MaSh tweaking: shorter names + killed (broken) SNoW
blanchet
parents: 53085
diff changeset
   590
  space_implode ":" o map massage_long_name o subtract (op =) @{sort type}
15fe0ca088b3 MaSh tweaking: shorter names + killed (broken) SNoW
blanchet
parents: 53085
diff changeset
   591
15fe0ca088b3 MaSh tweaking: shorter names + killed (broken) SNoW
blanchet
parents: 53085
diff changeset
   592
fun crude_str_of_typ (Type (s, [])) = massage_long_name s
53083
019ecbb18e3f generate patterns for variables as well in MaSh (cf. HOL(y)Hammer)
blanchet
parents: 53082
diff changeset
   593
  | crude_str_of_typ (Type (s, Ts)) =
53128
ea1b62ed5a54 get rid of some silly MaSh features
blanchet
parents: 53127
diff changeset
   594
    massage_long_name s ^ implode (map crude_str_of_typ Ts)
53083
019ecbb18e3f generate patterns for variables as well in MaSh (cf. HOL(y)Hammer)
blanchet
parents: 53082
diff changeset
   595
  | crude_str_of_typ (TFree (_, S)) = crude_str_of_sort S
019ecbb18e3f generate patterns for variables as well in MaSh (cf. HOL(y)Hammer)
blanchet
parents: 53082
diff changeset
   596
  | crude_str_of_typ (TVar (_, S)) = crude_str_of_sort S
019ecbb18e3f generate patterns for variables as well in MaSh (cf. HOL(y)Hammer)
blanchet
parents: 53082
diff changeset
   597
53128
ea1b62ed5a54 get rid of some silly MaSh features
blanchet
parents: 53127
diff changeset
   598
fun maybe_singleton_str _ "" = []
ea1b62ed5a54 get rid of some silly MaSh features
blanchet
parents: 53127
diff changeset
   599
  | maybe_singleton_str pref s = [pref ^ s]
ea1b62ed5a54 get rid of some silly MaSh features
blanchet
parents: 53127
diff changeset
   600
53082
369e39511555 generate deep type patterns in MaSh
blanchet
parents: 52697
diff changeset
   601
val max_pat_breadth = 10
50585
306c7b807e13 contain exponential explosion of term patterns
blanchet
parents: 50584
diff changeset
   602
53127
60801776d8af weight MaSh constants by frequency
blanchet
parents: 53121
diff changeset
   603
fun term_features_of ctxt prover thy_name num_facts const_tab term_max_depth
60801776d8af weight MaSh constants by frequency
blanchet
parents: 53121
diff changeset
   604
                     type_max_depth ts =
48251
6cdcfbddc077 moved most of MaSh exporter code to Sledgehammer
blanchet
parents: 48249
diff changeset
   605
  let
50392
190053ee24ed expand type classes into their ancestors for MaSh
blanchet
parents: 50391
diff changeset
   606
    val thy = Proof_Context.theory_of ctxt
53082
369e39511555 generate deep type patterns in MaSh
blanchet
parents: 52697
diff changeset
   607
369e39511555 generate deep type patterns in MaSh
blanchet
parents: 52697
diff changeset
   608
    val pass_args = map_product (fn p => fn "" => p | q => p ^ "(" ^ q ^ ")")
50857
80768e28c9ee better handlig of built-ins -- at the top-level, not in subterms
blanchet
parents: 50841
diff changeset
   609
    fun is_built_in (x as (s, _)) args =
80768e28c9ee better handlig of built-ins -- at the top-level, not in subterms
blanchet
parents: 50841
diff changeset
   610
      if member (op =) logical_consts s then (true, args)
51998
f732a674db1b renamed Sledgehammer functions with 'for' in their names to 'of'
blanchet
parents: 51990
diff changeset
   611
      else is_built_in_const_of_prover ctxt prover x args
53082
369e39511555 generate deep type patterns in MaSh
blanchet
parents: 52697
diff changeset
   612
50393
d8aa26c78327 record free variables as a MaSh feature
blanchet
parents: 50392
diff changeset
   613
    val fixes = map snd (Variable.dest_fixes ctxt)
50392
190053ee24ed expand type classes into their ancestors for MaSh
blanchet
parents: 50391
diff changeset
   614
    val classes = Sign.classes_of thy
53082
369e39511555 generate deep type patterns in MaSh
blanchet
parents: 52697
diff changeset
   615
48304
50e64af9c829 more work on MaSh
blanchet
parents: 48303
diff changeset
   616
    fun add_classes @{sort type} = I
50392
190053ee24ed expand type classes into their ancestors for MaSh
blanchet
parents: 50391
diff changeset
   617
      | add_classes S =
190053ee24ed expand type classes into their ancestors for MaSh
blanchet
parents: 50391
diff changeset
   618
        fold (`(Sorts.super_classes classes)
190053ee24ed expand type classes into their ancestors for MaSh
blanchet
parents: 50391
diff changeset
   619
              #> swap #> op ::
53086
15fe0ca088b3 MaSh tweaking: shorter names + killed (broken) SNoW
blanchet
parents: 53085
diff changeset
   620
              #> subtract (op =) @{sort type} #> map massage_long_name
50392
190053ee24ed expand type classes into their ancestors for MaSh
blanchet
parents: 50391
diff changeset
   621
              #> map class_feature_of
190053ee24ed expand type classes into their ancestors for MaSh
blanchet
parents: 50391
diff changeset
   622
              #> union (op = o pairself fst)) S
53082
369e39511555 generate deep type patterns in MaSh
blanchet
parents: 52697
diff changeset
   623
369e39511555 generate deep type patterns in MaSh
blanchet
parents: 52697
diff changeset
   624
    fun pattify_type 0 _ = []
369e39511555 generate deep type patterns in MaSh
blanchet
parents: 52697
diff changeset
   625
      | pattify_type _ (Type (s, [])) =
53086
15fe0ca088b3 MaSh tweaking: shorter names + killed (broken) SNoW
blanchet
parents: 53085
diff changeset
   626
        if member (op =) bad_types s then [] else [massage_long_name s]
53082
369e39511555 generate deep type patterns in MaSh
blanchet
parents: 52697
diff changeset
   627
      | pattify_type depth (Type (s, U :: Ts)) =
369e39511555 generate deep type patterns in MaSh
blanchet
parents: 52697
diff changeset
   628
        let
369e39511555 generate deep type patterns in MaSh
blanchet
parents: 52697
diff changeset
   629
          val T = Type (s, Ts)
369e39511555 generate deep type patterns in MaSh
blanchet
parents: 52697
diff changeset
   630
          val ps = take max_pat_breadth (pattify_type depth T)
369e39511555 generate deep type patterns in MaSh
blanchet
parents: 52697
diff changeset
   631
          val qs = take max_pat_breadth ("" :: pattify_type (depth - 1) U)
369e39511555 generate deep type patterns in MaSh
blanchet
parents: 52697
diff changeset
   632
        in pass_args ps qs end
53128
ea1b62ed5a54 get rid of some silly MaSh features
blanchet
parents: 53127
diff changeset
   633
      | pattify_type _ (TFree (_, S)) =
ea1b62ed5a54 get rid of some silly MaSh features
blanchet
parents: 53127
diff changeset
   634
        maybe_singleton_str pat_tvar_prefix (crude_str_of_sort S)
ea1b62ed5a54 get rid of some silly MaSh features
blanchet
parents: 53127
diff changeset
   635
      | pattify_type _ (TVar (_, S)) =
ea1b62ed5a54 get rid of some silly MaSh features
blanchet
parents: 53127
diff changeset
   636
        maybe_singleton_str pat_tvar_prefix (crude_str_of_sort S)
53082
369e39511555 generate deep type patterns in MaSh
blanchet
parents: 52697
diff changeset
   637
    fun add_type_pat depth T =
53083
019ecbb18e3f generate patterns for variables as well in MaSh (cf. HOL(y)Hammer)
blanchet
parents: 53082
diff changeset
   638
      union (op = o pairself fst) (map type_feature_of (pattify_type depth T))
53082
369e39511555 generate deep type patterns in MaSh
blanchet
parents: 52697
diff changeset
   639
    fun add_type_pats 0 _ = I
369e39511555 generate deep type patterns in MaSh
blanchet
parents: 52697
diff changeset
   640
      | add_type_pats depth t =
369e39511555 generate deep type patterns in MaSh
blanchet
parents: 52697
diff changeset
   641
        add_type_pat depth t #> add_type_pats (depth - 1) t
53083
019ecbb18e3f generate patterns for variables as well in MaSh (cf. HOL(y)Hammer)
blanchet
parents: 53082
diff changeset
   642
    fun add_type T =
019ecbb18e3f generate patterns for variables as well in MaSh (cf. HOL(y)Hammer)
blanchet
parents: 53082
diff changeset
   643
      add_type_pats type_max_depth T
019ecbb18e3f generate patterns for variables as well in MaSh (cf. HOL(y)Hammer)
blanchet
parents: 53082
diff changeset
   644
      #> fold_atyps_sorts (fn (_, S) => add_classes S) T
53084
877f5c28016f add subtypes as well as features in MaSh
blanchet
parents: 53083
diff changeset
   645
    fun add_subtypes (T as Type (_, Ts)) = add_type T #> fold add_subtypes Ts
877f5c28016f add subtypes as well as features in MaSh
blanchet
parents: 53083
diff changeset
   646
      | add_subtypes T = add_type T
53082
369e39511555 generate deep type patterns in MaSh
blanchet
parents: 52697
diff changeset
   647
53085
15483854c83e handle Bounds as well in MaSh features
blanchet
parents: 53084
diff changeset
   648
    fun pattify_term _ _ 0 _ = []
15483854c83e handle Bounds as well in MaSh features
blanchet
parents: 53084
diff changeset
   649
      | pattify_term _ args _ (Const (x as (s, _))) =
53086
15fe0ca088b3 MaSh tweaking: shorter names + killed (broken) SNoW
blanchet
parents: 53085
diff changeset
   650
        if fst (is_built_in x args) then [] else [massage_long_name s]
53085
15483854c83e handle Bounds as well in MaSh features
blanchet
parents: 53084
diff changeset
   651
      | pattify_term _ _ _ (Free (s, T)) =
53128
ea1b62ed5a54 get rid of some silly MaSh features
blanchet
parents: 53127
diff changeset
   652
        maybe_singleton_str pat_var_prefix (crude_str_of_typ T)
53090
1426c97311f2 treat frees as both consts and vars, for more hits
blanchet
parents: 53089
diff changeset
   653
        |> (if member (op =) fixes s then
1426c97311f2 treat frees as both consts and vars, for more hits
blanchet
parents: 53089
diff changeset
   654
              cons (massage_long_name (thy_name ^ Long_Name.separator ^ s))
1426c97311f2 treat frees as both consts and vars, for more hits
blanchet
parents: 53089
diff changeset
   655
            else
1426c97311f2 treat frees as both consts and vars, for more hits
blanchet
parents: 53089
diff changeset
   656
              I)
53128
ea1b62ed5a54 get rid of some silly MaSh features
blanchet
parents: 53127
diff changeset
   657
      | pattify_term _ _ _ (Var (_, T)) =
ea1b62ed5a54 get rid of some silly MaSh features
blanchet
parents: 53127
diff changeset
   658
        maybe_singleton_str pat_var_prefix (crude_str_of_typ T)
53085
15483854c83e handle Bounds as well in MaSh features
blanchet
parents: 53084
diff changeset
   659
      | pattify_term Ts _ _ (Bound j) =
53128
ea1b62ed5a54 get rid of some silly MaSh features
blanchet
parents: 53127
diff changeset
   660
        maybe_singleton_str pat_var_prefix (crude_str_of_typ (nth Ts j))
53085
15483854c83e handle Bounds as well in MaSh features
blanchet
parents: 53084
diff changeset
   661
      | pattify_term Ts args depth (t $ u) =
50339
d8dae91f3107 MaSh improvements: deeper patterns + more respect for chained facts
blanchet
parents: 50338
diff changeset
   662
        let
53085
15483854c83e handle Bounds as well in MaSh features
blanchet
parents: 53084
diff changeset
   663
          val ps = take max_pat_breadth (pattify_term Ts (u :: args) depth t)
15483854c83e handle Bounds as well in MaSh features
blanchet
parents: 53084
diff changeset
   664
          val qs = take max_pat_breadth ("" :: pattify_term Ts [] (depth - 1) u)
53082
369e39511555 generate deep type patterns in MaSh
blanchet
parents: 52697
diff changeset
   665
        in pass_args ps qs end
53085
15483854c83e handle Bounds as well in MaSh features
blanchet
parents: 53084
diff changeset
   666
      | pattify_term _ _ _ _ = []
15483854c83e handle Bounds as well in MaSh features
blanchet
parents: 53084
diff changeset
   667
    fun add_term_pat Ts feature_of depth =
15483854c83e handle Bounds as well in MaSh features
blanchet
parents: 53084
diff changeset
   668
      union (op = o pairself fst) o map feature_of o pattify_term Ts [] depth
15483854c83e handle Bounds as well in MaSh features
blanchet
parents: 53084
diff changeset
   669
    fun add_term_pats _ _ 0 _ = I
15483854c83e handle Bounds as well in MaSh features
blanchet
parents: 53084
diff changeset
   670
      | add_term_pats Ts feature_of depth t =
15483854c83e handle Bounds as well in MaSh features
blanchet
parents: 53084
diff changeset
   671
        add_term_pat Ts feature_of depth t
15483854c83e handle Bounds as well in MaSh features
blanchet
parents: 53084
diff changeset
   672
        #> add_term_pats Ts feature_of (depth - 1) t
15483854c83e handle Bounds as well in MaSh features
blanchet
parents: 53084
diff changeset
   673
    fun add_term Ts feature_of = add_term_pats Ts feature_of term_max_depth
15483854c83e handle Bounds as well in MaSh features
blanchet
parents: 53084
diff changeset
   674
    fun add_subterms Ts t =
50857
80768e28c9ee better handlig of built-ins -- at the top-level, not in subterms
blanchet
parents: 50841
diff changeset
   675
      case strip_comb t of
53127
60801776d8af weight MaSh constants by frequency
blanchet
parents: 53121
diff changeset
   676
        (Const (x as (s, T)), args) =>
50857
80768e28c9ee better handlig of built-ins -- at the top-level, not in subterms
blanchet
parents: 50841
diff changeset
   677
        let val (built_in, args) = is_built_in x args in
53127
60801776d8af weight MaSh constants by frequency
blanchet
parents: 53121
diff changeset
   678
          (not built_in
60801776d8af weight MaSh constants by frequency
blanchet
parents: 53121
diff changeset
   679
             ? add_term Ts (weighted_const_feature_of num_facts const_tab s) t)
53084
877f5c28016f add subtypes as well as features in MaSh
blanchet
parents: 53083
diff changeset
   680
          #> add_subtypes T
53085
15483854c83e handle Bounds as well in MaSh features
blanchet
parents: 53084
diff changeset
   681
          #> fold (add_subterms Ts) args
50857
80768e28c9ee better handlig of built-ins -- at the top-level, not in subterms
blanchet
parents: 50841
diff changeset
   682
        end
80768e28c9ee better handlig of built-ins -- at the top-level, not in subterms
blanchet
parents: 50841
diff changeset
   683
      | (head, args) =>
48251
6cdcfbddc077 moved most of MaSh exporter code to Sledgehammer
blanchet
parents: 48249
diff changeset
   684
        (case head of
53085
15483854c83e handle Bounds as well in MaSh features
blanchet
parents: 53084
diff changeset
   685
           Free (_, T) => add_term Ts free_feature_of t #> add_subtypes T
53084
877f5c28016f add subtypes as well as features in MaSh
blanchet
parents: 53083
diff changeset
   686
         | Var (_, T) => add_subtypes T
53085
15483854c83e handle Bounds as well in MaSh features
blanchet
parents: 53084
diff changeset
   687
         | Abs (_, T, body) => add_subtypes T #> add_subterms (T :: Ts) body
48251
6cdcfbddc077 moved most of MaSh exporter code to Sledgehammer
blanchet
parents: 48249
diff changeset
   688
         | _ => I)
53085
15483854c83e handle Bounds as well in MaSh features
blanchet
parents: 53084
diff changeset
   689
        #> fold (add_subterms Ts) args
15483854c83e handle Bounds as well in MaSh features
blanchet
parents: 53084
diff changeset
   690
  in [] |> fold (add_subterms []) ts end
48251
6cdcfbddc077 moved most of MaSh exporter code to Sledgehammer
blanchet
parents: 48249
diff changeset
   691
6cdcfbddc077 moved most of MaSh exporter code to Sledgehammer
blanchet
parents: 48249
diff changeset
   692
fun is_exists (s, _) = (s = @{const_name Ex} orelse s = @{const_name Ex1})
6cdcfbddc077 moved most of MaSh exporter code to Sledgehammer
blanchet
parents: 48249
diff changeset
   693
53085
15483854c83e handle Bounds as well in MaSh features
blanchet
parents: 53084
diff changeset
   694
val term_max_depth = 2
15483854c83e handle Bounds as well in MaSh features
blanchet
parents: 53084
diff changeset
   695
val type_max_depth = 2
48251
6cdcfbddc077 moved most of MaSh exporter code to Sledgehammer
blanchet
parents: 48249
diff changeset
   696
6cdcfbddc077 moved most of MaSh exporter code to Sledgehammer
blanchet
parents: 48249
diff changeset
   697
(* TODO: Generate type classes for types? *)
53127
60801776d8af weight MaSh constants by frequency
blanchet
parents: 53121
diff changeset
   698
fun features_of ctxt prover thy num_facts const_tab (scope, status) ts =
50393
d8aa26c78327 record free variables as a MaSh feature
blanchet
parents: 50392
diff changeset
   699
  let val thy_name = Context.theory_name thy in
d8aa26c78327 record free variables as a MaSh feature
blanchet
parents: 50392
diff changeset
   700
    thy_feature_of thy_name ::
53127
60801776d8af weight MaSh constants by frequency
blanchet
parents: 53121
diff changeset
   701
    term_features_of ctxt prover thy_name num_facts const_tab term_max_depth
60801776d8af weight MaSh constants by frequency
blanchet
parents: 53121
diff changeset
   702
                     type_max_depth ts
50393
d8aa26c78327 record free variables as a MaSh feature
blanchet
parents: 50392
diff changeset
   703
    |> status <> General ? cons (status_feature_of status)
d8aa26c78327 record free variables as a MaSh feature
blanchet
parents: 50392
diff changeset
   704
    |> scope <> Global ? cons local_feature
d8aa26c78327 record free variables as a MaSh feature
blanchet
parents: 50392
diff changeset
   705
    |> exists (not o is_lambda_free) ts ? cons lams_feature
d8aa26c78327 record free variables as a MaSh feature
blanchet
parents: 50392
diff changeset
   706
    |> exists (exists_Const is_exists) ts ? cons skos_feature
d8aa26c78327 record free variables as a MaSh feature
blanchet
parents: 50392
diff changeset
   707
  end
48251
6cdcfbddc077 moved most of MaSh exporter code to Sledgehammer
blanchet
parents: 48249
diff changeset
   708
50434
960a3429615c more MaSh tweaking -- in particular, export the same facts in "MaSh_Export" as are later tried in "MaSh_Eval"
blanchet
parents: 50412
diff changeset
   709
(* Too many dependencies is a sign that a decision procedure is at work. There
960a3429615c more MaSh tweaking -- in particular, export the same facts in "MaSh_Export" as are later tried in "MaSh_Eval"
blanchet
parents: 50412
diff changeset
   710
   isn't much to learn from such proofs. *)
960a3429615c more MaSh tweaking -- in particular, export the same facts in "MaSh_Export" as are later tried in "MaSh_Eval"
blanchet
parents: 50412
diff changeset
   711
val max_dependencies = 20
50484
8ec31bdb9d36 adopt the neutral "prover" terminology for MaSh rather than the ambiguous/wrong ATP terminology (which sometimes excludes SMT solvers)
blanchet
parents: 50450
diff changeset
   712
51133
blanchet
parents: 51032
diff changeset
   713
val prover_default_max_facts = 50
48251
6cdcfbddc077 moved most of MaSh exporter code to Sledgehammer
blanchet
parents: 48249
diff changeset
   714
48438
3e45c98fe127 distinguish between recursive and nonrecursive definitions + clean up typedef dependencies in MaSh
blanchet
parents: 48436
diff changeset
   715
(* "type_definition_xxx" facts are characterized by their use of "CollectI". *)
50755
4c781d65c0d6 get rid of spurious "Isar" proofs
blanchet
parents: 50754
diff changeset
   716
val typedef_dep = nickname_of_thm @{thm CollectI}
4c781d65c0d6 get rid of spurious "Isar" proofs
blanchet
parents: 50754
diff changeset
   717
(* Mysterious parts of the class machinery create lots of proofs that refer
52071
0e70511cbba9 made "completish" mode a bit more complete
blanchet
parents: 52048
diff changeset
   718
   exclusively to "someI_ex" (and to some internal constructions). *)
50755
4c781d65c0d6 get rid of spurious "Isar" proofs
blanchet
parents: 50754
diff changeset
   719
val class_some_dep = nickname_of_thm @{thm someI_ex}
48438
3e45c98fe127 distinguish between recursive and nonrecursive definitions + clean up typedef dependencies in MaSh
blanchet
parents: 48436
diff changeset
   720
50828
91e6836bb68b don't learn from the proof of "psimps" etc.
blanchet
parents: 50827
diff changeset
   721
val fundef_ths =
91e6836bb68b don't learn from the proof of "psimps" etc.
blanchet
parents: 50827
diff changeset
   722
  @{thms fundef_ex1_existence fundef_ex1_uniqueness fundef_ex1_iff
91e6836bb68b don't learn from the proof of "psimps" etc.
blanchet
parents: 50827
diff changeset
   723
         fundef_default_value}
91e6836bb68b don't learn from the proof of "psimps" etc.
blanchet
parents: 50827
diff changeset
   724
  |> map nickname_of_thm
91e6836bb68b don't learn from the proof of "psimps" etc.
blanchet
parents: 50827
diff changeset
   725
48438
3e45c98fe127 distinguish between recursive and nonrecursive definitions + clean up typedef dependencies in MaSh
blanchet
parents: 48436
diff changeset
   726
(* "Rep_xxx_inject", "Abs_xxx_inverse", etc., are derived using these facts. *)
3e45c98fe127 distinguish between recursive and nonrecursive definitions + clean up typedef dependencies in MaSh
blanchet
parents: 48436
diff changeset
   727
val typedef_ths =
3e45c98fe127 distinguish between recursive and nonrecursive definitions + clean up typedef dependencies in MaSh
blanchet
parents: 48436
diff changeset
   728
  @{thms type_definition.Abs_inverse type_definition.Rep_inverse
3e45c98fe127 distinguish between recursive and nonrecursive definitions + clean up typedef dependencies in MaSh
blanchet
parents: 48436
diff changeset
   729
         type_definition.Rep type_definition.Rep_inject
3e45c98fe127 distinguish between recursive and nonrecursive definitions + clean up typedef dependencies in MaSh
blanchet
parents: 48436
diff changeset
   730
         type_definition.Abs_inject type_definition.Rep_cases
3e45c98fe127 distinguish between recursive and nonrecursive definitions + clean up typedef dependencies in MaSh
blanchet
parents: 48436
diff changeset
   731
         type_definition.Abs_cases type_definition.Rep_induct
3e45c98fe127 distinguish between recursive and nonrecursive definitions + clean up typedef dependencies in MaSh
blanchet
parents: 48436
diff changeset
   732
         type_definition.Abs_induct type_definition.Rep_range
3e45c98fe127 distinguish between recursive and nonrecursive definitions + clean up typedef dependencies in MaSh
blanchet
parents: 48436
diff changeset
   733
         type_definition.Abs_image}
50624
4d0997abce79 improved thm order hack, in case the default names are overridden
blanchet
parents: 50623
diff changeset
   734
  |> map nickname_of_thm
48438
3e45c98fe127 distinguish between recursive and nonrecursive definitions + clean up typedef dependencies in MaSh
blanchet
parents: 48436
diff changeset
   735
48441
2d2f009ca8eb remove MaSh junk associated with size functions
blanchet
parents: 48440
diff changeset
   736
fun is_size_def [dep] th =
2d2f009ca8eb remove MaSh junk associated with size functions
blanchet
parents: 48440
diff changeset
   737
    (case first_field ".recs" dep of
2d2f009ca8eb remove MaSh junk associated with size functions
blanchet
parents: 48440
diff changeset
   738
       SOME (pref, _) =>
50624
4d0997abce79 improved thm order hack, in case the default names are overridden
blanchet
parents: 50623
diff changeset
   739
       (case first_field ".size" (nickname_of_thm th) of
48441
2d2f009ca8eb remove MaSh junk associated with size functions
blanchet
parents: 48440
diff changeset
   740
          SOME (pref', _) => pref = pref'
2d2f009ca8eb remove MaSh junk associated with size functions
blanchet
parents: 48440
diff changeset
   741
        | NONE => false)
2d2f009ca8eb remove MaSh junk associated with size functions
blanchet
parents: 48440
diff changeset
   742
     | NONE => false)
2d2f009ca8eb remove MaSh junk associated with size functions
blanchet
parents: 48440
diff changeset
   743
  | is_size_def _ _ = false
2d2f009ca8eb remove MaSh junk associated with size functions
blanchet
parents: 48440
diff changeset
   744
53095
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   745
fun no_dependencies_for_status status =
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   746
  status = Non_Rec_Def orelse status = Rec_Def
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   747
51177
e8c9755fd14e tuned code: factored out parent computation
blanchet
parents: 51176
diff changeset
   748
fun trim_dependencies deps =
50755
4c781d65c0d6 get rid of spurious "Isar" proofs
blanchet
parents: 50754
diff changeset
   749
  if length deps > max_dependencies then NONE else SOME deps
48251
6cdcfbddc077 moved most of MaSh exporter code to Sledgehammer
blanchet
parents: 48249
diff changeset
   750
50755
4c781d65c0d6 get rid of spurious "Isar" proofs
blanchet
parents: 50754
diff changeset
   751
fun isar_dependencies_of name_tabs th =
51020
242cd1632b0b removed spurious trimming
blanchet
parents: 51010
diff changeset
   752
  let val deps = thms_in_proof (SOME name_tabs) th in
50828
91e6836bb68b don't learn from the proof of "psimps" etc.
blanchet
parents: 50827
diff changeset
   753
    if deps = [typedef_dep] orelse
91e6836bb68b don't learn from the proof of "psimps" etc.
blanchet
parents: 50827
diff changeset
   754
       deps = [class_some_dep] orelse
91e6836bb68b don't learn from the proof of "psimps" etc.
blanchet
parents: 50827
diff changeset
   755
       exists (member (op =) fundef_ths) deps orelse
91e6836bb68b don't learn from the proof of "psimps" etc.
blanchet
parents: 50827
diff changeset
   756
       exists (member (op =) typedef_ths) deps orelse
91e6836bb68b don't learn from the proof of "psimps" etc.
blanchet
parents: 50827
diff changeset
   757
       is_size_def deps th then
50755
4c781d65c0d6 get rid of spurious "Isar" proofs
blanchet
parents: 50754
diff changeset
   758
      []
4c781d65c0d6 get rid of spurious "Isar" proofs
blanchet
parents: 50754
diff changeset
   759
    else
4c781d65c0d6 get rid of spurious "Isar" proofs
blanchet
parents: 50754
diff changeset
   760
      deps
4c781d65c0d6 get rid of spurious "Isar" proofs
blanchet
parents: 50754
diff changeset
   761
  end
48404
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   762
50484
8ec31bdb9d36 adopt the neutral "prover" terminology for MaSh rather than the ambiguous/wrong ATP terminology (which sometimes excludes SMT solvers)
blanchet
parents: 50450
diff changeset
   763
fun prover_dependencies_of ctxt (params as {verbose, max_facts, ...}) prover
50735
6b232d76cbc9 refined class handling, to prevent cycles in fact graph
blanchet
parents: 50732
diff changeset
   764
                           auto_level facts name_tabs th =
6b232d76cbc9 refined class handling, to prevent cycles in fact graph
blanchet
parents: 50732
diff changeset
   765
  case isar_dependencies_of name_tabs th of
50754
74a6adcb96ac also generate queries for goals with too many Isar dependencies
blanchet
parents: 50751
diff changeset
   766
    [] => (false, [])
48392
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   767
  | isar_deps =>
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   768
    let
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   769
      val thy = Proof_Context.theory_of ctxt
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   770
      val goal = goal_of_thm thy th
52196
2281f33e8da6 redid rac7830871177 to avoid duplicate fixed variable (e.g. lemma "P (a::nat)" proof - have "!!a::int. Q a" sledgehammer [e])
blanchet
parents: 52125
diff changeset
   771
      val (_, hyp_ts, concl_t) = ATP_Util.strip_subgoal goal 1 ctxt
51136
fdcc06013f2d avoid crude/wrong theorem comparision
blanchet
parents: 51135
diff changeset
   772
      val facts = facts |> filter (fn (_, th') => thm_less (th', th))
51004
5f2788c38127 distinguish raw and non-raw facts, using raw for 10 000s of facts and non-raw after selection of some hundreds
blanchet
parents: 51003
diff changeset
   773
      fun nickify ((_, stature), th) = ((nickname_of_thm th, stature), th)
50624
4d0997abce79 improved thm order hack, in case the default names are overridden
blanchet
parents: 50623
diff changeset
   774
      fun is_dep dep (_, th) = nickname_of_thm th = dep
48392
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   775
      fun add_isar_dep facts dep accum =
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   776
        if exists (is_dep dep) accum then
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   777
          accum
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   778
        else case find_first (is_dep dep) facts of
51004
5f2788c38127 distinguish raw and non-raw facts, using raw for 10 000s of facts and non-raw after selection of some hundreds
blanchet
parents: 51003
diff changeset
   779
          SOME ((_, status), th) => accum @ [(("", status), th)]
48392
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   780
        | NONE => accum (* shouldn't happen *)
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   781
      val facts =
50484
8ec31bdb9d36 adopt the neutral "prover" terminology for MaSh rather than the ambiguous/wrong ATP terminology (which sometimes excludes SMT solvers)
blanchet
parents: 50450
diff changeset
   782
        facts
8ec31bdb9d36 adopt the neutral "prover" terminology for MaSh rather than the ambiguous/wrong ATP terminology (which sometimes excludes SMT solvers)
blanchet
parents: 50450
diff changeset
   783
        |> mepo_suggested_facts ctxt params prover
51133
blanchet
parents: 51032
diff changeset
   784
               (max_facts |> the_default prover_default_max_facts) NONE hyp_ts
blanchet
parents: 51032
diff changeset
   785
               concl_t
50754
74a6adcb96ac also generate queries for goals with too many Isar dependencies
blanchet
parents: 50751
diff changeset
   786
        |> fold (add_isar_dep facts) isar_deps
50624
4d0997abce79 improved thm order hack, in case the default names are overridden
blanchet
parents: 50623
diff changeset
   787
        |> map nickify
48392
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   788
    in
48404
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   789
      if verbose andalso auto_level = 0 then
48392
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   790
        let val num_facts = length facts in
50624
4d0997abce79 improved thm order hack, in case the default names are overridden
blanchet
parents: 50623
diff changeset
   791
          "MaSh: " ^ quote prover ^ " on " ^ quote (nickname_of_thm th) ^
48392
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   792
          " with " ^ string_of_int num_facts ^ " fact" ^ plural_s num_facts ^
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   793
          "."
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   794
          |> Output.urgent_message
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   795
        end
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   796
      else
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   797
        ();
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   798
      case run_prover_for_mash ctxt params prover facts goal of
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   799
        {outcome = NONE, used_facts, ...} =>
48404
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
   800
        (if verbose andalso auto_level = 0 then
48392
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   801
           let val num_facts = length used_facts in
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   802
             "Found proof with " ^ string_of_int num_facts ^ " fact" ^
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   803
             plural_s num_facts ^ "."
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   804
             |> Output.urgent_message
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   805
           end
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   806
         else
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   807
           ();
50754
74a6adcb96ac also generate queries for goals with too many Isar dependencies
blanchet
parents: 50751
diff changeset
   808
         (true, map fst used_facts))
48665
14b0732c72f7 crank up max number of dependencies
blanchet
parents: 48656
diff changeset
   809
      | _ => (false, isar_deps)
48392
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
   810
    end
48251
6cdcfbddc077 moved most of MaSh exporter code to Sledgehammer
blanchet
parents: 48249
diff changeset
   811
6cdcfbddc077 moved most of MaSh exporter code to Sledgehammer
blanchet
parents: 48249
diff changeset
   812
6cdcfbddc077 moved most of MaSh exporter code to Sledgehammer
blanchet
parents: 48249
diff changeset
   813
(*** High-level communication with MaSh ***)
6cdcfbddc077 moved most of MaSh exporter code to Sledgehammer
blanchet
parents: 48249
diff changeset
   814
53095
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   815
fun attach_crude_parents_to_facts _ [] = []
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   816
  | attach_crude_parents_to_facts parents ((fact as (_, th)) :: facts) =
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   817
    (parents, fact) :: attach_crude_parents_to_facts [nickname_of_thm th] facts
48383
df75b2d7e26a learn command in MaSh
blanchet
parents: 48382
diff changeset
   818
51182
962190eab40d provide two modes for MaSh driver: linearized or real visibility
blanchet
parents: 51181
diff changeset
   819
(* In the following functions, chunks are risers w.r.t. "thm_less_eq". *)
962190eab40d provide two modes for MaSh driver: linearized or real visibility
blanchet
parents: 51181
diff changeset
   820
51181
d0fa18638478 implement (more) accurate computation of parents
blanchet
parents: 51180
diff changeset
   821
fun chunks_and_parents_for chunks th =
d0fa18638478 implement (more) accurate computation of parents
blanchet
parents: 51180
diff changeset
   822
  let
d0fa18638478 implement (more) accurate computation of parents
blanchet
parents: 51180
diff changeset
   823
    fun insert_parent new parents =
d0fa18638478 implement (more) accurate computation of parents
blanchet
parents: 51180
diff changeset
   824
      let val parents = parents |> filter_out (fn p => thm_less_eq (p, new)) in
d0fa18638478 implement (more) accurate computation of parents
blanchet
parents: 51180
diff changeset
   825
        parents |> forall (fn p => not (thm_less_eq (new, p))) parents
d0fa18638478 implement (more) accurate computation of parents
blanchet
parents: 51180
diff changeset
   826
                   ? cons new
d0fa18638478 implement (more) accurate computation of parents
blanchet
parents: 51180
diff changeset
   827
      end
d0fa18638478 implement (more) accurate computation of parents
blanchet
parents: 51180
diff changeset
   828
    fun rechunk seen (rest as th' :: ths) =
d0fa18638478 implement (more) accurate computation of parents
blanchet
parents: 51180
diff changeset
   829
      if thm_less_eq (th', th) then (rev seen, rest)
d0fa18638478 implement (more) accurate computation of parents
blanchet
parents: 51180
diff changeset
   830
      else rechunk (th' :: seen) ths
d0fa18638478 implement (more) accurate computation of parents
blanchet
parents: 51180
diff changeset
   831
    fun do_chunk [] accum = accum
d0fa18638478 implement (more) accurate computation of parents
blanchet
parents: 51180
diff changeset
   832
      | do_chunk (chunk as hd_chunk :: _) (chunks, parents) =
d0fa18638478 implement (more) accurate computation of parents
blanchet
parents: 51180
diff changeset
   833
        if thm_less_eq (hd_chunk, th) then
d0fa18638478 implement (more) accurate computation of parents
blanchet
parents: 51180
diff changeset
   834
          (chunk :: chunks, insert_parent hd_chunk parents)
d0fa18638478 implement (more) accurate computation of parents
blanchet
parents: 51180
diff changeset
   835
        else if thm_less_eq (List.last chunk, th) then
d0fa18638478 implement (more) accurate computation of parents
blanchet
parents: 51180
diff changeset
   836
          let val (front, back as hd_back :: _) = rechunk [] chunk in
d0fa18638478 implement (more) accurate computation of parents
blanchet
parents: 51180
diff changeset
   837
            (front :: back :: chunks, insert_parent hd_back parents)
d0fa18638478 implement (more) accurate computation of parents
blanchet
parents: 51180
diff changeset
   838
          end
d0fa18638478 implement (more) accurate computation of parents
blanchet
parents: 51180
diff changeset
   839
        else
d0fa18638478 implement (more) accurate computation of parents
blanchet
parents: 51180
diff changeset
   840
          (chunk :: chunks, parents)
d0fa18638478 implement (more) accurate computation of parents
blanchet
parents: 51180
diff changeset
   841
  in
d0fa18638478 implement (more) accurate computation of parents
blanchet
parents: 51180
diff changeset
   842
    fold_rev do_chunk chunks ([], [])
d0fa18638478 implement (more) accurate computation of parents
blanchet
parents: 51180
diff changeset
   843
    |>> cons []
51182
962190eab40d provide two modes for MaSh driver: linearized or real visibility
blanchet
parents: 51181
diff changeset
   844
    ||> map nickname_of_thm
51181
d0fa18638478 implement (more) accurate computation of parents
blanchet
parents: 51180
diff changeset
   845
  end
d0fa18638478 implement (more) accurate computation of parents
blanchet
parents: 51180
diff changeset
   846
51182
962190eab40d provide two modes for MaSh driver: linearized or real visibility
blanchet
parents: 51181
diff changeset
   847
fun attach_parents_to_facts _ [] = []
962190eab40d provide two modes for MaSh driver: linearized or real visibility
blanchet
parents: 51181
diff changeset
   848
  | attach_parents_to_facts old_facts (facts as (_, th) :: _) =
962190eab40d provide two modes for MaSh driver: linearized or real visibility
blanchet
parents: 51181
diff changeset
   849
    let
962190eab40d provide two modes for MaSh driver: linearized or real visibility
blanchet
parents: 51181
diff changeset
   850
      fun do_facts _ [] = []
962190eab40d provide two modes for MaSh driver: linearized or real visibility
blanchet
parents: 51181
diff changeset
   851
        | do_facts (_, parents) [fact] = [(parents, fact)]
962190eab40d provide two modes for MaSh driver: linearized or real visibility
blanchet
parents: 51181
diff changeset
   852
        | do_facts (chunks, parents)
962190eab40d provide two modes for MaSh driver: linearized or real visibility
blanchet
parents: 51181
diff changeset
   853
                   ((fact as (_, th)) :: (facts as (_, th') :: _)) =
962190eab40d provide two modes for MaSh driver: linearized or real visibility
blanchet
parents: 51181
diff changeset
   854
          let
962190eab40d provide two modes for MaSh driver: linearized or real visibility
blanchet
parents: 51181
diff changeset
   855
            val chunks = app_hd (cons th) chunks
962190eab40d provide two modes for MaSh driver: linearized or real visibility
blanchet
parents: 51181
diff changeset
   856
            val chunks_and_parents' =
962190eab40d provide two modes for MaSh driver: linearized or real visibility
blanchet
parents: 51181
diff changeset
   857
              if thm_less_eq (th, th') andalso
962190eab40d provide two modes for MaSh driver: linearized or real visibility
blanchet
parents: 51181
diff changeset
   858
                 thy_name_of_thm th = thy_name_of_thm th' then
962190eab40d provide two modes for MaSh driver: linearized or real visibility
blanchet
parents: 51181
diff changeset
   859
                (chunks, [nickname_of_thm th])
962190eab40d provide two modes for MaSh driver: linearized or real visibility
blanchet
parents: 51181
diff changeset
   860
              else
962190eab40d provide two modes for MaSh driver: linearized or real visibility
blanchet
parents: 51181
diff changeset
   861
                chunks_and_parents_for chunks th'
962190eab40d provide two modes for MaSh driver: linearized or real visibility
blanchet
parents: 51181
diff changeset
   862
          in (parents, fact) :: do_facts chunks_and_parents' facts end
962190eab40d provide two modes for MaSh driver: linearized or real visibility
blanchet
parents: 51181
diff changeset
   863
    in
962190eab40d provide two modes for MaSh driver: linearized or real visibility
blanchet
parents: 51181
diff changeset
   864
      old_facts @ facts
962190eab40d provide two modes for MaSh driver: linearized or real visibility
blanchet
parents: 51181
diff changeset
   865
      |> do_facts (chunks_and_parents_for [[]] th)
962190eab40d provide two modes for MaSh driver: linearized or real visibility
blanchet
parents: 51181
diff changeset
   866
      |> drop (length old_facts)
962190eab40d provide two modes for MaSh driver: linearized or real visibility
blanchet
parents: 51181
diff changeset
   867
    end
51177
e8c9755fd14e tuned code: factored out parent computation
blanchet
parents: 51176
diff changeset
   868
53095
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   869
fun maximal_wrt_graph G keys =
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   870
  let
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   871
    val tab = Symtab.empty |> fold (fn name => Symtab.default (name, ())) keys
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   872
    fun insert_new seen name =
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   873
      not (Symtab.defined seen name) ? insert (op =) name
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   874
    fun num_keys keys = Graph.Keys.fold (K (Integer.add 1)) keys 0
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   875
    fun find_maxes _ (maxs, []) = map snd maxs
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   876
      | find_maxes seen (maxs, new :: news) =
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   877
        find_maxes
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   878
            (seen |> num_keys (Graph.imm_succs G new) > 1
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   879
                     ? Symtab.default (new, ()))
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   880
            (if Symtab.defined tab new then
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   881
               let
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   882
                 val newp = Graph.all_preds G [new]
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   883
                 fun is_ancestor x yp = member (op =) yp x
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   884
                 val maxs =
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   885
                   maxs |> filter (fn (_, max) => not (is_ancestor max newp))
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   886
               in
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   887
                 if exists (is_ancestor new o fst) maxs then
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   888
                   (maxs, news)
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   889
                 else
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   890
                   ((newp, new)
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   891
                    :: filter_out (fn (_, max) => is_ancestor max newp) maxs,
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   892
                    news)
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   893
               end
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   894
             else
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   895
               (maxs, Graph.Keys.fold (insert_new seen)
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   896
                                      (Graph.imm_preds G new) news))
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   897
  in find_maxes Symtab.empty ([], Graph.maximals G) end
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   898
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   899
fun maximal_wrt_access_graph access_G =
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   900
  map (nickname_of_thm o snd)
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   901
  #> maximal_wrt_graph access_G
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   902
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   903
fun is_fact_in_graph access_G = can (Graph.get_node access_G) o nickname_of_thm
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   904
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   905
(* FUDGE *)
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   906
fun weight_of_mepo_fact rank =
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   907
  Math.pow (0.62, log2 (Real.fromInt (rank + 1)))
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   908
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   909
fun weight_mepo_facts facts =
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   910
  facts ~~ map weight_of_mepo_fact (0 upto length facts - 1)
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   911
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   912
val weight_raw_mash_facts = weight_mepo_facts
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   913
val weight_mash_facts = weight_raw_mash_facts
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   914
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   915
(* FUDGE *)
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   916
fun weight_of_proximity_fact rank =
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   917
  Math.pow (1.3, 15.5 - 0.2 * Real.fromInt rank) + 15.0
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   918
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   919
fun weight_proximity_facts facts =
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   920
  facts ~~ map weight_of_proximity_fact (0 upto length facts - 1)
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   921
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   922
val max_proximity_facts = 100
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   923
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   924
fun find_mash_suggestions _ _ [] _ _ raw_unknown = ([], raw_unknown)
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   925
  | find_mash_suggestions ctxt max_facts suggs facts chained raw_unknown =
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   926
    let
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   927
      val raw_mash = find_suggested_facts ctxt facts suggs
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   928
      val unknown_chained =
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   929
        inter (Thm.eq_thm_prop o pairself snd) chained raw_unknown
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   930
      val proximity =
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   931
        facts |> sort (crude_thm_ord o pairself snd o swap)
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   932
              |> take max_proximity_facts
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   933
      val mess =
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   934
        [(0.90 (* FUDGE *), (map (rpair 1.0) unknown_chained, [])),
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   935
         (0.08 (* FUDGE *), (weight_raw_mash_facts raw_mash, raw_unknown)),
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   936
         (0.02 (* FUDGE *), (weight_proximity_facts proximity, []))]
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   937
      val unknown =
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   938
        raw_unknown
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   939
        |> fold (subtract (Thm.eq_thm_prop o pairself snd))
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   940
                [unknown_chained, proximity]
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   941
    in (mesh_facts (Thm.eq_thm_prop o pairself snd) max_facts mess, unknown) end
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   942
53127
60801776d8af weight MaSh constants by frequency
blanchet
parents: 53121
diff changeset
   943
fun add_const_counts t =
60801776d8af weight MaSh constants by frequency
blanchet
parents: 53121
diff changeset
   944
  fold (fn s => Symtab.map_default (s, ~1) (Integer.add 1))
60801776d8af weight MaSh constants by frequency
blanchet
parents: 53121
diff changeset
   945
       (Term.add_const_names t [])
53095
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   946
53127
60801776d8af weight MaSh constants by frequency
blanchet
parents: 53121
diff changeset
   947
fun mash_suggested_facts ctxt ({overlord, ...} : params) prover max_facts hyp_ts
60801776d8af weight MaSh constants by frequency
blanchet
parents: 53121
diff changeset
   948
                         concl_t facts =
53095
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   949
  let
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   950
    val thy = Proof_Context.theory_of ctxt
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   951
    val chained = facts |> filter (fn ((_, (scope, _)), _) => scope = Chained)
53127
60801776d8af weight MaSh constants by frequency
blanchet
parents: 53121
diff changeset
   952
    val const_tab = fold (add_const_counts o prop_of o snd) facts Symtab.empty
53095
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   953
    val (access_G, suggs) =
53127
60801776d8af weight MaSh constants by frequency
blanchet
parents: 53121
diff changeset
   954
      peek_state ctxt (fn {access_G, ...} =>
53095
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   955
          if Graph.is_empty access_G then
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   956
            (access_G, [])
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   957
          else
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   958
            let
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   959
              val parents = maximal_wrt_access_graph access_G facts
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   960
              val feats =
53127
60801776d8af weight MaSh constants by frequency
blanchet
parents: 53121
diff changeset
   961
                features_of ctxt prover thy (length facts) const_tab
60801776d8af weight MaSh constants by frequency
blanchet
parents: 53121
diff changeset
   962
                            (Local, General) (concl_t :: hyp_ts)
53095
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   963
              val hints =
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   964
                chained |> filter (is_fact_in_graph access_G o snd)
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   965
                        |> map (nickname_of_thm o snd)
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   966
            in
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   967
              (access_G, MaSh.query ctxt overlord max_facts
53118
3f290031bd9e take out dangerous feature, now that all updates are permanent
blanchet
parents: 53117
diff changeset
   968
                                    ([], hints, parents, feats))
53095
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   969
            end)
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   970
    val unknown = facts |> filter_out (is_fact_in_graph access_G o snd)
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   971
  in
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   972
    find_mash_suggestions ctxt max_facts suggs facts chained unknown
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   973
    |> pairself (map fact_of_raw_fact)
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   974
  end
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   975
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   976
fun learn_wrt_access_graph ctxt (name, parents, feats, deps) (learns, graph) =
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   977
  let
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   978
    fun maybe_learn_from from (accum as (parents, graph)) =
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   979
      try_graph ctxt "updating graph" accum (fn () =>
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   980
          (from :: parents, Graph.add_edge_acyclic (from, name) graph))
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   981
    val graph = graph |> Graph.default_node (name, Isar_Proof)
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   982
    val (parents, graph) = ([], graph) |> fold maybe_learn_from parents
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   983
    val (deps, _) = ([], graph) |> fold maybe_learn_from deps
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   984
  in ((name, parents, feats, deps) :: learns, graph) end
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   985
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   986
fun relearn_wrt_access_graph ctxt (name, deps) (relearns, graph) =
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   987
  let
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   988
    fun maybe_relearn_from from (accum as (parents, graph)) =
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   989
      try_graph ctxt "updating graph" accum (fn () =>
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   990
          (from :: parents, Graph.add_edge_acyclic (from, name) graph))
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   991
    val graph = graph |> update_access_graph_node (name, Automatic_Proof)
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   992
    val (deps, _) = ([], graph) |> fold maybe_relearn_from deps
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   993
  in ((name, deps) :: relearns, graph) end
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   994
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   995
fun flop_wrt_access_graph name =
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   996
  update_access_graph_node (name, Isar_Proof_wegen_Prover_Flop)
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   997
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   998
val learn_timeout_slack = 2.0
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
   999
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
  1000
fun launch_thread timeout task =
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
  1001
  let
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
  1002
    val hard_timeout = time_mult learn_timeout_slack timeout
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
  1003
    val birth_time = Time.now ()
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
  1004
    val death_time = Time.+ (birth_time, hard_timeout)
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
  1005
    val desc = ("Machine learner for Sledgehammer", "")
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
  1006
  in Async_Manager.thread MaShN birth_time death_time desc task end
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
  1007
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
  1008
fun mash_learn_proof ctxt ({overlord, timeout, ...} : params) prover t facts
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
  1009
                     used_ths =
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
  1010
  launch_thread (timeout |> the_default one_day) (fn () =>
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
  1011
      let
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
  1012
        val thy = Proof_Context.theory_of ctxt
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
  1013
        val name = freshish_name ()
53127
60801776d8af weight MaSh constants by frequency
blanchet
parents: 53121
diff changeset
  1014
        val feats =
60801776d8af weight MaSh constants by frequency
blanchet
parents: 53121
diff changeset
  1015
          features_of ctxt prover thy 0 Symtab.empty (Local, General) [t]
60801776d8af weight MaSh constants by frequency
blanchet
parents: 53121
diff changeset
  1016
          |> map fst
53095
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
  1017
      in
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
  1018
        peek_state ctxt (fn {access_G, ...} =>
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
  1019
            let
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
  1020
              val parents = maximal_wrt_access_graph access_G facts
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
  1021
              val deps =
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
  1022
                used_ths |> filter (is_fact_in_graph access_G)
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
  1023
                         |> map nickname_of_thm
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
  1024
            in
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
  1025
              MaSh.learn ctxt overlord [(name, parents, feats, deps)]
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
  1026
            end);
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
  1027
        (true, "")
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
  1028
      end)
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
  1029
52697
6fb98a20c349 explicit padding on command boundary for "auto" generated sendback -- do not replace the corresponding goal command, but append to it;
wenzelm
parents: 52196
diff changeset
  1030
fun sendback sub =
6fb98a20c349 explicit padding on command boundary for "auto" generated sendback -- do not replace the corresponding goal command, but append to it;
wenzelm
parents: 52196
diff changeset
  1031
  Active.sendback_markup [Markup.padding_command] (sledgehammerN ^ " " ^ sub)
48392
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
  1032
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
  1033
val commit_timeout = seconds 30.0
48332
271a4a6af734 optimize parent computation in MaSh + remove temporary files
blanchet
parents: 48330
diff changeset
  1034
50485
3c6ac2da2f45 merge aliased theorems in MaSh dependencies, modulo symmetry of equality
blanchet
parents: 50484
diff changeset
  1035
(* The timeout is understood in a very relaxed fashion. *)
48404
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
  1036
fun mash_learn_facts ctxt (params as {debug, verbose, overlord, ...}) prover
50484
8ec31bdb9d36 adopt the neutral "prover" terminology for MaSh rather than the ambiguous/wrong ATP terminology (which sometimes excludes SMT solvers)
blanchet
parents: 50450
diff changeset
  1037
                     auto_level run_prover learn_timeout facts =
48304
50e64af9c829 more work on MaSh
blanchet
parents: 48303
diff changeset
  1038
  let
48318
325c8fd0d762 more consolidation of MaSh code
blanchet
parents: 48316
diff changeset
  1039
    val timer = Timer.startRealTimer ()
48392
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
  1040
    fun next_commit_time () =
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
  1041
      Time.+ (Timer.checkRealTimer timer, commit_timeout)
50610
d9c4fbbb0c11 name tuning
blanchet
parents: 50608
diff changeset
  1042
    val {access_G, ...} = peek_state ctxt I
53095
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
  1043
    val is_in_access_G = is_fact_in_graph access_G o snd
51177
e8c9755fd14e tuned code: factored out parent computation
blanchet
parents: 51176
diff changeset
  1044
    val no_new_facts = forall is_in_access_G facts
48308
89674e5a4d35 make tracing an option
blanchet
parents: 48306
diff changeset
  1045
  in
51177
e8c9755fd14e tuned code: factored out parent computation
blanchet
parents: 51176
diff changeset
  1046
    if no_new_facts andalso not run_prover then
48404
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
  1047
      if auto_level < 2 then
50484
8ec31bdb9d36 adopt the neutral "prover" terminology for MaSh rather than the ambiguous/wrong ATP terminology (which sometimes excludes SMT solvers)
blanchet
parents: 50450
diff changeset
  1048
        "No new " ^ (if run_prover then "automatic" else "Isar") ^
8ec31bdb9d36 adopt the neutral "prover" terminology for MaSh rather than the ambiguous/wrong ATP terminology (which sometimes excludes SMT solvers)
blanchet
parents: 50450
diff changeset
  1049
        " proofs to learn." ^
8ec31bdb9d36 adopt the neutral "prover" terminology for MaSh rather than the ambiguous/wrong ATP terminology (which sometimes excludes SMT solvers)
blanchet
parents: 50450
diff changeset
  1050
        (if auto_level = 0 andalso not run_prover then
8ec31bdb9d36 adopt the neutral "prover" terminology for MaSh rather than the ambiguous/wrong ATP terminology (which sometimes excludes SMT solvers)
blanchet
parents: 50450
diff changeset
  1051
           "\n\nHint: Try " ^ sendback learn_proverN ^
50751
d3111134973d tuned message
blanchet
parents: 50750
diff changeset
  1052
           " to learn from an automatic prover."
48404
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
  1053
         else
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
  1054
           "")
48392
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
  1055
      else
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
  1056
        ""
48308
89674e5a4d35 make tracing an option
blanchet
parents: 48306
diff changeset
  1057
    else
48304
50e64af9c829 more work on MaSh
blanchet
parents: 48303
diff changeset
  1058
      let
50735
6b232d76cbc9 refined class handling, to prevent cycles in fact graph
blanchet
parents: 50732
diff changeset
  1059
        val name_tabs = build_name_tables nickname_of_thm facts
48439
67a6bcbd3587 removed MaSh junk arising from primrec definitions
blanchet
parents: 48438
diff changeset
  1060
        fun deps_of status th =
53095
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
  1061
          if no_dependencies_for_status status then
48439
67a6bcbd3587 removed MaSh junk arising from primrec definitions
blanchet
parents: 48438
diff changeset
  1062
            SOME []
50484
8ec31bdb9d36 adopt the neutral "prover" terminology for MaSh rather than the ambiguous/wrong ATP terminology (which sometimes excludes SMT solvers)
blanchet
parents: 50450
diff changeset
  1063
          else if run_prover then
50735
6b232d76cbc9 refined class handling, to prevent cycles in fact graph
blanchet
parents: 50732
diff changeset
  1064
            prover_dependencies_of ctxt params prover auto_level facts name_tabs
50484
8ec31bdb9d36 adopt the neutral "prover" terminology for MaSh rather than the ambiguous/wrong ATP terminology (which sometimes excludes SMT solvers)
blanchet
parents: 50450
diff changeset
  1065
                                   th
50754
74a6adcb96ac also generate queries for goals with too many Isar dependencies
blanchet
parents: 50751
diff changeset
  1066
            |> (fn (false, _) => NONE
51177
e8c9755fd14e tuned code: factored out parent computation
blanchet
parents: 51176
diff changeset
  1067
                 | (true, deps) => trim_dependencies deps)
48404
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
  1068
          else
50735
6b232d76cbc9 refined class handling, to prevent cycles in fact graph
blanchet
parents: 50732
diff changeset
  1069
            isar_dependencies_of name_tabs th
51177
e8c9755fd14e tuned code: factored out parent computation
blanchet
parents: 51176
diff changeset
  1070
            |> trim_dependencies
48669
cdcdb0547f29 remember ATP flops to avoid repeating them too quickly
blanchet
parents: 48668
diff changeset
  1071
        fun do_commit [] [] [] state = state
53095
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
  1072
          | do_commit learns relearns flops {access_G, num_known_facts, dirty} =
48392
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
  1073
            let
50610
d9c4fbbb0c11 name tuning
blanchet
parents: 50608
diff changeset
  1074
              val was_empty = Graph.is_empty access_G
50631
b69079c14665 tuned ML function names
blanchet
parents: 50624
diff changeset
  1075
              val (learns, access_G) =
b69079c14665 tuned ML function names
blanchet
parents: 50624
diff changeset
  1076
                ([], access_G) |> fold (learn_wrt_access_graph ctxt) learns
b69079c14665 tuned ML function names
blanchet
parents: 50624
diff changeset
  1077
              val (relearns, access_G) =
b69079c14665 tuned ML function names
blanchet
parents: 50624
diff changeset
  1078
                ([], access_G) |> fold (relearn_wrt_access_graph ctxt) relearns
50610
d9c4fbbb0c11 name tuning
blanchet
parents: 50608
diff changeset
  1079
              val access_G = access_G |> fold flop_wrt_access_graph flops
53095
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
  1080
              val num_known_facts = num_known_facts + length learns
48699
a89b83204c24 optimized saving
blanchet
parents: 48669
diff changeset
  1081
              val dirty =
50631
b69079c14665 tuned ML function names
blanchet
parents: 50624
diff changeset
  1082
                case (was_empty, dirty, relearns) of
b69079c14665 tuned ML function names
blanchet
parents: 50624
diff changeset
  1083
                  (false, SOME names, []) => SOME (map #1 learns @ names)
48699
a89b83204c24 optimized saving
blanchet
parents: 48669
diff changeset
  1084
                | _ => NONE
48404
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
  1085
            in
50632
12c097ff3241 slightly more elegant naming convention (to keep low-level and high-level APIs separated)
blanchet
parents: 50631
diff changeset
  1086
              MaSh.learn ctxt overlord (rev learns);
12c097ff3241 slightly more elegant naming convention (to keep low-level and high-level APIs separated)
blanchet
parents: 50631
diff changeset
  1087
              MaSh.relearn ctxt overlord relearns;
53095
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
  1088
              {access_G = access_G, num_known_facts = num_known_facts,
667717a5ad80 learn MaSh facts on the fly
blanchet
parents: 53094
diff changeset
  1089
               dirty = dirty}
48404
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
  1090
            end
50631
b69079c14665 tuned ML function names
blanchet
parents: 50624
diff changeset
  1091
        fun commit last learns relearns flops =
48404
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
  1092
          (if debug andalso auto_level = 0 then
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
  1093
             Output.urgent_message "Committing..."
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
  1094
           else
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
  1095
             ();
50631
b69079c14665 tuned ML function names
blanchet
parents: 50624
diff changeset
  1096
           map_state ctxt (do_commit (rev learns) relearns flops);
48404
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
  1097
           if not last andalso auto_level = 0 then
50631
b69079c14665 tuned ML function names
blanchet
parents: 50624
diff changeset
  1098
             let val num_proofs = length learns + length relearns in
48404
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
  1099
               "Learned " ^ string_of_int num_proofs ^ " " ^
50484
8ec31bdb9d36 adopt the neutral "prover" terminology for MaSh rather than the ambiguous/wrong ATP terminology (which sometimes excludes SMT solvers)
blanchet
parents: 50450
diff changeset
  1100
               (if run_prover then "automatic" else "Isar") ^ " proof" ^
48404
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
  1101
               plural_s num_proofs ^ " in the last " ^
52031
9a9238342963 tuning -- renamed '_from_' to '_of_' in Sledgehammer
blanchet
parents: 51998
diff changeset
  1102
               string_of_time commit_timeout ^ "."
48392
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
  1103
               |> Output.urgent_message
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
  1104
             end
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
  1105
           else
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
  1106
             ())
51177
e8c9755fd14e tuned code: factored out parent computation
blanchet
parents: 51176
diff changeset
  1107
        fun learn_new_fact _ (accum as (_, (_, _, true))) = accum
e8c9755fd14e tuned code: factored out parent computation
blanchet
parents: 51176
diff changeset
  1108
          | learn_new_fact (parents, ((_, stature as (_, status)), th))
e8c9755fd14e tuned code: factored out parent computation
blanchet
parents: 51176
diff changeset
  1109
                           (learns, (n, next_commit, _)) =
48318
325c8fd0d762 more consolidation of MaSh code
blanchet
parents: 48316
diff changeset
  1110
            let
50624
4d0997abce79 improved thm order hack, in case the default names are overridden
blanchet
parents: 50623
diff changeset
  1111
              val name = nickname_of_thm th
48332
271a4a6af734 optimize parent computation in MaSh + remove temporary files
blanchet
parents: 48330
diff changeset
  1112
              val feats =
53127
60801776d8af weight MaSh constants by frequency
blanchet
parents: 53121
diff changeset
  1113
                features_of ctxt prover (theory_of_thm th) 0 Symtab.empty
60801776d8af weight MaSh constants by frequency
blanchet
parents: 53121
diff changeset
  1114
                            stature [prop_of th]
53121
5f727525b1ac only generate feature weights for queries -- they're not used elsewhere
blanchet
parents: 53118
diff changeset
  1115
                |> map fst
48439
67a6bcbd3587 removed MaSh junk arising from primrec definitions
blanchet
parents: 48438
diff changeset
  1116
              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
  1117
              val n = n |> not (null deps) ? Integer.add 1
50631
b69079c14665 tuned ML function names
blanchet
parents: 50624
diff changeset
  1118
              val learns = (name, parents, feats, deps) :: learns
b69079c14665 tuned ML function names
blanchet
parents: 50624
diff changeset
  1119
              val (learns, next_commit) =
48392
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
  1120
                if Time.> (Timer.checkRealTimer timer, next_commit) then
50631
b69079c14665 tuned ML function names
blanchet
parents: 50624
diff changeset
  1121
                  (commit false learns [] []; ([], next_commit_time ()))
48392
ca998fa08cd9 added "learn_from_atp" command to MaSh, for patient users
blanchet
parents: 48390
diff changeset
  1122
                else
50631
b69079c14665 tuned ML function names
blanchet
parents: 50624
diff changeset
  1123
                  (learns, next_commit)
50557
31313171deb5 thread no timeout properly
blanchet
parents: 50485
diff changeset
  1124
              val timed_out =
31313171deb5 thread no timeout properly
blanchet
parents: 50485
diff changeset
  1125
                case learn_timeout of
31313171deb5 thread no timeout properly
blanchet
parents: 50485
diff changeset
  1126
                  SOME timeout => Time.> (Timer.checkRealTimer timer, timeout)
31313171deb5 thread no timeout properly
blanchet
parents: 50485
diff changeset
  1127
                | NONE => false
51177
e8c9755fd14e tuned code: factored out parent computation
blanchet
parents: 51176
diff changeset
  1128
            in (learns, (n, next_commit, timed_out)) end
48404
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
  1129
        val n =
51177
e8c9755fd14e tuned code: factored out parent computation
blanchet
parents: 51176
diff changeset
  1130
          if no_new_facts then
48404
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
  1131
            0
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
  1132
          else
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
  1133
            let
51182
962190eab40d provide two modes for MaSh driver: linearized or real visibility
blanchet
parents: 51181
diff changeset
  1134
              val new_facts =
51184
e2569dde59c8 reintroduced crucial sorting accidentally lost in 962190eab40d
blanchet
parents: 51183
diff changeset
  1135
                facts |> sort (crude_thm_ord o pairself snd)
e2569dde59c8 reintroduced crucial sorting accidentally lost in 962190eab40d
blanchet
parents: 51183
diff changeset
  1136
                      |> attach_parents_to_facts []
51177
e8c9755fd14e tuned code: factored out parent computation
blanchet
parents: 51176
diff changeset
  1137
                      |> filter_out (is_in_access_G o snd)
e8c9755fd14e tuned code: factored out parent computation
blanchet
parents: 51176
diff changeset
  1138
              val (learns, (n, _, _)) =
e8c9755fd14e tuned code: factored out parent computation
blanchet
parents: 51176
diff changeset
  1139
                ([], (0, next_commit_time (), false))
51182
962190eab40d provide two modes for MaSh driver: linearized or real visibility
blanchet
parents: 51181
diff changeset
  1140
                |> fold learn_new_fact new_facts
50631
b69079c14665 tuned ML function names
blanchet
parents: 50624
diff changeset
  1141
            in commit true learns [] []; n end
48404
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
  1142
        fun relearn_old_fact _ (accum as (_, (_, _, true))) = accum
48439
67a6bcbd3587 removed MaSh junk arising from primrec definitions
blanchet
parents: 48438
diff changeset
  1143
          | relearn_old_fact ((_, (_, status)), th)
50631
b69079c14665 tuned ML function names
blanchet
parents: 50624
diff changeset
  1144
                             ((relearns, flops), (n, next_commit, _)) =
48404
0a261b4aa093 relearn ATP proofs
blanchet
parents: 48403
diff changeset
  1145
            let
50624
4d0997abce79 improved thm order hack, in case the default names are overridden
blanchet
parents: 50623
diff changeset
  1146
              val name = nickname_of_thm th
50631
b69079c14665 tuned ML function names
blanchet
parents: 50624
diff changeset
  1147
              val (n, relearns, flops) =
48439
67a6bcbd3587 removed MaSh junk arising from primrec definitions
blanchet
parents: 48438
diff changeset
  1148
                case deps_of status th of
50631
b69079c14665 tuned ML function names
blanche&#