author | blanchet |
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(* Title: HOL/Tools/Sledgehammer/sledgehammer_filter_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_FILTER_MASH = |
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sig |
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type status = ATP_Problem_Generate.status |
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type stature = ATP_Problem_Generate.stature |
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type fact = Sledgehammer_Fact.fact |
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type fact_override = Sledgehammer_Fact.fact_override |
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type params = Sledgehammer_Provers.params |
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type relevance_fudge = Sledgehammer_Provers.relevance_fudge |
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type prover_result = Sledgehammer_Provers.prover_result |
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val trace : bool Config.T |
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val meshN : string |
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val iterN : string |
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val mashN : string |
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val fact_filters : string list |
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val escape_meta : string -> string |
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val escape_metas : string list -> string |
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val unescape_meta : string -> string |
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val unescape_metas : string -> string list |
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val extract_query : string -> string * string list |
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val suggested_facts : string list -> fact list -> fact list |
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val mesh_facts : int -> (fact list * int option) list -> fact list |
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val all_non_tautological_facts_of : |
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theory -> status Termtab.table -> fact list |
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val theory_ord : theory * theory -> order |
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val thm_ord : thm * thm -> order |
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val thy_facts_from_thms : fact list -> string list Symtab.table |
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val has_thy : theory -> thm -> bool |
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val parent_facts : theory -> string list Symtab.table -> string list |
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val features_of : theory -> status -> term list -> string list |
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val isabelle_dependencies_of : string list -> thm -> string list |
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val goal_of_thm : theory -> thm -> thm |
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val run_prover : Proof.context -> params -> fact list -> thm -> prover_result |
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val thy_name_of_fact : string -> string |
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val mash_RESET : Proof.context -> unit |
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val mash_ADD : |
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Proof.context -> (string * string list * string list * string list) list |
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-> unit |
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val mash_DEL : Proof.context -> string list -> string list -> unit |
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val mash_QUERY : Proof.context -> string list * string list -> string list |
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val mash_reset : Proof.context -> unit |
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val mash_can_suggest_facts : Proof.context -> bool |
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val mash_suggest_facts : |
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Proof.context -> params -> string -> term list -> term -> fact list |
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-> fact list |
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val mash_can_learn_thy : Proof.context -> theory -> bool |
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val mash_learn_thy : Proof.context -> theory -> real -> unit |
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val mash_learn_proof : Proof.context -> theory -> term -> thm list -> unit |
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val relevant_facts : |
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Proof.context -> params -> string -> int -> fact_override -> term list |
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-> term -> fact list -> fact list |
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end; |
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structure Sledgehammer_Filter_MaSh : SLEDGEHAMMER_FILTER_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_Filter_Iter |
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open Sledgehammer_Provers |
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val trace = |
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Attrib.setup_config_bool @{binding sledgehammer_filter_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 meshN = "mesh" |
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val iterN = "iter" |
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val mashN = "mash" |
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val fact_filters = [meshN, iterN, mashN] |
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fun mash_home () = getenv "MASH_HOME" |
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fun mash_state_dir () = |
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getenv "ISABELLE_HOME_USER" ^ "/mash" |
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|> tap (fn dir => Isabelle_System.mkdir (Path.explode dir)) |
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fun mash_state_path () = mash_state_dir () ^ "/state" |> Path.explode |
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(*** Isabelle helpers ***) |
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fun meta_char c = |
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if Char.isAlphaNum c orelse c = #"_" orelse c = #"." orelse c = #"(" orelse |
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c = #")" orelse c = #"," then |
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String.str c |
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else |
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(* fixed width, in case more digits follow *) |
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"\\" ^ stringN_of_int 3 (Char.ord c) |
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fun unmeta_chars accum [] = String.implode (rev accum) |
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| unmeta_chars accum (#"\\" :: d1 :: d2 :: d3 :: cs) = |
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(case Int.fromString (String.implode [d1, d2, d3]) of |
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SOME n => unmeta_chars (Char.chr n :: accum) cs |
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| NONE => "" (* error *)) |
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| unmeta_chars _ (#"\\" :: _) = "" (* error *) |
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| unmeta_chars accum (c :: cs) = unmeta_chars (c :: accum) cs |
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val escape_meta = String.translate meta_char |
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val escape_metas = map escape_meta #> space_implode " " |
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val unescape_meta = unmeta_chars [] o String.explode |
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val unescape_metas = map unescape_meta o space_explode " " |
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val explode_suggs = |
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space_explode " " #> filter_out (curry (op =) "") #> map unescape_meta |
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fun extract_query line = |
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case space_explode ":" line of |
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[goal_name, suggs] => (unescape_meta goal_name, explode_suggs suggs) |
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| _ => ("", []) |
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fun find_suggested facts sugg = |
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find_first (fn (_, th) => Thm.get_name_hint th = sugg) facts |
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fun suggested_facts suggs facts = map_filter (find_suggested facts) suggs |
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fun sum_avg n xs = |
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fold (Integer.add o Integer.mult n) xs 0 div (length xs) |
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fun mesh_facts max_facts [(facts, _)] = facts |> take max_facts |
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| mesh_facts max_facts mess = |
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let |
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val n = length mess |
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val fact_eq = Thm.eq_thm o pairself snd |
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fun score_in fact (facts, def) = |
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case find_index (curry fact_eq fact) facts of |
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~1 => def |
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| j => SOME j |
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fun score_of fact = mess |> map_filter (score_in fact) |> sum_avg n |
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val facts = fold (union fact_eq o take max_facts o fst) mess [] |
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in |
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facts |> map (`score_of) |> sort (int_ord o pairself fst) |> map snd |
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|> take max_facts |
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end |
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val thy_feature_prefix = "y_" |
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val thy_feature_name_of = prefix thy_feature_prefix |
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val const_name_of = prefix const_prefix |
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val type_name_of = prefix type_const_prefix |
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val class_name_of = prefix class_prefix |
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local |
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fun has_bool @{typ bool} = true |
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| has_bool (Type (_, Ts)) = exists has_bool Ts |
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| has_bool _ = false |
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fun has_fun (Type (@{type_name fun}, _)) = true |
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| has_fun (Type (_, Ts)) = exists has_fun Ts |
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| has_fun _ = false |
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val is_conn = member (op =) |
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[@{const_name Trueprop}, @{const_name HOL.conj}, @{const_name HOL.disj}, |
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@{const_name HOL.implies}, @{const_name Not}, |
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@{const_name All}, @{const_name Ex}, @{const_name Ball}, @{const_name Bex}, |
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@{const_name HOL.eq}] |
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val has_bool_arg_const = |
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exists_Const (fn (c, T) => |
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not (is_conn c) andalso exists has_bool (binder_types T)) |
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fun higher_inst_const thy (c, T) = |
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case binder_types T of |
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[] => false |
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| Ts => length (binder_types (Sign.the_const_type thy c)) <> length Ts |
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val binders = [@{const_name All}, @{const_name Ex}] |
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|
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in |
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|
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fun is_fo_term thy t = |
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let |
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val t = |
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t |> Envir.beta_eta_contract |
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|> transform_elim_prop |
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|> Object_Logic.atomize_term thy |
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181 |
in |
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Term.is_first_order binders t andalso |
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not (exists_subterm (fn Var (_, T) => has_bool T orelse has_fun T |
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| _ => false) t orelse |
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has_bool_arg_const t orelse exists_Const (higher_inst_const thy) t) |
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end |
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|
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end |
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|
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fun interesting_terms_types_and_classes term_max_depth type_max_depth ts = |
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let |
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val bad_types = [@{type_name prop}, @{type_name bool}, @{type_name fun}] |
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val bad_consts = atp_widely_irrelevant_consts |
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fun add_classes @{sort type} = I |
195 |
| add_classes S = union (op =) (map class_name_of S) |
|
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fun do_add_type (Type (s, Ts)) = |
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(not (member (op =) bad_types s) ? insert (op =) (type_name_of s)) |
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#> fold do_add_type Ts |
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| do_add_type (TFree (_, S)) = add_classes S |
200 |
| do_add_type (TVar (_, S)) = add_classes S |
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fun add_type T = type_max_depth >= 0 ? do_add_type T |
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fun mk_app s args = |
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if member (op <>) args "" then s ^ "(" ^ space_implode "," args ^ ")" |
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else s |
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fun patternify ~1 _ = "" |
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| patternify depth t = |
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case strip_comb t of |
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(Const (s, _), args) => |
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mk_app (const_name_of s) (map (patternify (depth - 1)) args) |
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| _ => "" |
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fun add_term_patterns ~1 _ = I |
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| add_term_patterns depth t = |
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insert (op =) (patternify depth t) |
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#> add_term_patterns (depth - 1) t |
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val add_term = add_term_patterns term_max_depth |
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fun add_patterns t = |
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let val (head, args) = strip_comb t in |
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(case head of |
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Const (s, T) => |
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not (member (op =) bad_consts s) ? (add_term t #> add_type T) |
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| Free (_, T) => add_type T |
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| Var (_, T) => add_type T |
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| Abs (_, T, body) => add_type T #> add_patterns body |
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| _ => I) |
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#> fold add_patterns args |
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end |
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in [] |> fold add_patterns ts |> sort string_ord end |
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228 |
|
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fun is_likely_tautology th = |
48302 | 230 |
null (interesting_terms_types_and_classes 0 ~1 [prop_of th]) andalso |
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not (Thm.eq_thm_prop (@{thm ext}, th)) |
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232 |
|
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fun is_too_meta thy th = |
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fastype_of (Object_Logic.atomize_term thy (prop_of th)) <> @{typ bool} |
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235 |
|
48299 | 236 |
fun all_non_tautological_facts_of thy css_table = |
237 |
all_facts_of thy css_table |
|
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|> filter_out ((is_likely_tautology orf is_too_meta thy) o snd) |
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239 |
|
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240 |
fun theory_ord p = |
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241 |
if Theory.eq_thy p then EQUAL |
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else if Theory.subthy p then LESS |
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else if Theory.subthy (swap p) then GREATER |
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244 |
else EQUAL |
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245 |
|
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val thm_ord = theory_ord o pairself theory_of_thm |
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247 |
|
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248 |
(* ### FIXME: optimize *) |
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249 |
fun thy_facts_from_thms ths = |
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250 |
ths |> map (snd #> `(theory_of_thm #> Context.theory_name)) |
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|> AList.group (op =) |
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|> sort (int_ord o pairself (length o Theory.ancestors_of o theory_of_thm |
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o hd o snd)) |
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254 |
|> map (apsnd (sort (rev_order o thm_ord) #> map Thm.get_name_hint)) |
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255 |
|> Symtab.make |
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256 |
|
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257 |
fun has_thy thy th = |
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258 |
Context.theory_name thy = Context.theory_name (theory_of_thm th) |
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259 |
|
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260 |
fun parent_facts thy thy_facts = |
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261 |
let |
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|
262 |
fun add_last thy = |
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263 |
case Symtab.lookup thy_facts (Context.theory_name thy) of |
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264 |
SOME (last_fact :: _) => insert (op =) last_fact |
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265 |
| _ => add_parent thy |
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and add_parent thy = fold add_last (Theory.parents_of thy) |
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|
267 |
in add_parent thy [] end |
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|
268 |
|
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269 |
fun is_exists (s, _) = (s = @{const_name Ex} orelse s = @{const_name Ex1}) |
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270 |
|
48297 | 271 |
val term_max_depth = 1 |
272 |
val type_max_depth = 1 |
|
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273 |
|
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274 |
(* TODO: Generate type classes for types? *) |
48302 | 275 |
fun features_of thy status ts = |
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276 |
thy_feature_name_of (Context.theory_name thy) :: |
48302 | 277 |
interesting_terms_types_and_classes term_max_depth type_max_depth ts |
278 |
|> exists (not o is_lambda_free) ts ? cons "lambdas" |
|
279 |
|> exists (exists_Const is_exists) ts ? cons "skolems" |
|
280 |
|> exists (not o is_fo_term thy) ts ? cons "ho" |
|
281 |
|> (case status of |
|
282 |
General => I |
|
283 |
| Induction => cons "induction" |
|
284 |
| Intro => cons "intro" |
|
285 |
| Inductive => cons "inductive" |
|
286 |
| Elim => cons "elim" |
|
287 |
| Simp => cons "simp" |
|
288 |
| Def => cons "def") |
|
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289 |
|
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290 |
fun isabelle_dependencies_of all_facts = |
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|
291 |
thms_in_proof (SOME all_facts) #> sort string_ord |
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292 |
|
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|
293 |
val freezeT = Type.legacy_freeze_type |
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|
294 |
|
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|
295 |
fun freeze (t $ u) = freeze t $ freeze u |
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296 |
| freeze (Abs (s, T, t)) = Abs (s, freezeT T, freeze t) |
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297 |
| freeze (Var ((s, _), T)) = Free (s, freezeT T) |
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|
298 |
| freeze (Const (s, T)) = Const (s, freezeT T) |
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|
299 |
| freeze (Free (s, T)) = Free (s, freezeT T) |
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|
300 |
| freeze t = t |
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|
301 |
|
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|
302 |
fun goal_of_thm thy = prop_of #> freeze #> cterm_of thy #> Goal.init |
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|
303 |
|
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|
304 |
fun run_prover ctxt (params as {provers, ...}) facts goal = |
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|
305 |
let |
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|
306 |
val problem = |
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|
307 |
{state = Proof.init ctxt, goal = goal, subgoal = 1, subgoal_count = 1, |
48289 | 308 |
facts = facts |> map (apfst (apfst (fn name => name ()))) |
309 |
|> map Sledgehammer_Provers.Untranslated_Fact} |
|
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|
310 |
val prover = |
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|
311 |
Sledgehammer_Minimize.get_minimizing_prover ctxt |
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|
312 |
Sledgehammer_Provers.Normal (hd provers) |
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|
313 |
in prover params (K (K (K ""))) problem end |
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314 |
|
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|
315 |
fun accessibility_of thy thy_facts = |
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|
316 |
case Symtab.lookup thy_facts (Context.theory_name thy) of |
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|
317 |
SOME (fact :: _) => [fact] |
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318 |
| _ => parent_facts thy thy_facts |
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|
319 |
|
48304 | 320 |
val thy_name_of_fact = hd o Long_Name.explode |
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321 |
|
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322 |
|
48302 | 323 |
(*** Low-level communication with MaSh ***) |
324 |
||
48311 | 325 |
fun run_mash ctxt save write_cmds read_preds = |
326 |
let |
|
327 |
val temp_dir = getenv "ISABELLE_TMP" |
|
328 |
val serial = serial_string () |
|
329 |
val cmd_file = temp_dir ^ "/mash_commands." ^ serial |
|
330 |
val cmd_path = Path.explode cmd_file |
|
331 |
val pred_file = temp_dir ^ "/mash_preds." ^ serial |
|
332 |
val log_file = temp_dir ^ "/mash_log." ^ serial |
|
333 |
val command = |
|
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|
334 |
mash_home () ^ "/mash.py --quiet --inputFile " ^ cmd_file ^ |
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|
335 |
" --outputDir " ^ mash_state_dir () ^ " --predictions " ^ pred_file ^ |
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|
336 |
" --log " ^ log_file ^ " --numberOfPredictions 1000" ^ |
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|
337 |
(if save then " --saveModel" else "") |
48311 | 338 |
val _ = File.write cmd_path "" |
339 |
val _ = write_cmds (File.append cmd_path) |
|
340 |
val _ = trace_msg ctxt (fn () => " running " ^ command) |
|
341 |
val _ = Isabelle_System.bash command |
|
342 |
in read_preds (fn () => File.read_lines (Path.explode pred_file)) end |
|
343 |
||
344 |
fun str_of_update (fact, access, feats, deps) = |
|
345 |
"! " ^ escape_meta fact ^ ": " ^ escape_metas access ^ "; " ^ |
|
346 |
escape_metas feats ^ "; " ^ escape_metas deps ^ "\n" |
|
347 |
||
348 |
fun str_of_query (access, feats) = |
|
349 |
"? " ^ escape_metas access ^ "; " ^ escape_metas feats |
|
350 |
||
48308 | 351 |
fun mash_RESET ctxt = |
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|
352 |
let val path = mash_state_dir () |> Path.explode in |
48309 | 353 |
trace_msg ctxt (K "MaSh RESET"); |
354 |
File.fold_dir (fn file => fn () => |
|
355 |
File.rm (Path.append path (Path.basic file))) |
|
356 |
path () |
|
357 |
end |
|
48302 | 358 |
|
48309 | 359 |
fun mash_ADD _ [] = () |
48311 | 360 |
| mash_ADD ctxt upds = |
361 |
(trace_msg ctxt (fn () => "MaSh ADD " ^ space_implode " " (map #1 upds)); |
|
362 |
run_mash ctxt true (fn append => List.app (append o str_of_update) upds) |
|
363 |
(K ())) |
|
48302 | 364 |
|
48308 | 365 |
fun mash_DEL ctxt facts feats = |
366 |
trace_msg ctxt (fn () => |
|
367 |
"MaSh DEL " ^ escape_metas facts ^ "; " ^ escape_metas feats) |
|
48302 | 368 |
|
48311 | 369 |
fun mash_QUERY ctxt (query as (_, feats)) = |
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|
370 |
(trace_msg ctxt (fn () => "MaSh QUERY " ^ space_implode " " feats); |
48311 | 371 |
run_mash ctxt false (fn append => append (str_of_query query)) |
372 |
(fn preds => snd (extract_query (List.last (preds ())))) |
|
373 |
handle List.Empty => []) |
|
48302 | 374 |
|
375 |
||
48251
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changeset
|
376 |
(*** High-level communication with MaSh ***) |
6cdcfbddc077
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diff
changeset
|
377 |
|
48301 | 378 |
type mash_state = |
48308 | 379 |
{dirty_thys : unit Symtab.table, |
48301 | 380 |
thy_facts : string list Symtab.table} |
381 |
||
48304 | 382 |
val empty_state = |
48308 | 383 |
{dirty_thys = Symtab.empty, |
48301 | 384 |
thy_facts = Symtab.empty} |
385 |
||
386 |
local |
|
387 |
||
388 |
fun mash_load (state as (true, _)) = state |
|
389 |
| mash_load _ = |
|
48309 | 390 |
let val path = mash_state_path () in |
48302 | 391 |
(true, |
392 |
case try File.read_lines path of |
|
48308 | 393 |
SOME (dirty_line :: facts_lines) => |
48302 | 394 |
let |
48306 | 395 |
fun dirty_thys_of_line line = |
48308 | 396 |
Symtab.make (line |> unescape_metas |> map (rpair ())) |
48302 | 397 |
fun add_facts_line line = |
48308 | 398 |
case unescape_metas line of |
48302 | 399 |
thy :: facts => Symtab.update_new (thy, facts) |
400 |
| _ => I (* shouldn't happen *) |
|
401 |
in |
|
48308 | 402 |
{dirty_thys = dirty_thys_of_line dirty_line, |
48302 | 403 |
thy_facts = fold add_facts_line facts_lines Symtab.empty} |
404 |
end |
|
48304 | 405 |
| _ => empty_state) |
48302 | 406 |
end |
48249 | 407 |
|
48308 | 408 |
fun mash_save ({dirty_thys, thy_facts} : mash_state) = |
48301 | 409 |
let |
48309 | 410 |
val path = mash_state_path () |
48308 | 411 |
val dirty_line = (escape_metas (Symtab.keys dirty_thys)) ^ "\n" |
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48302
diff
changeset
|
412 |
fun fact_line_for (thy, facts) = escape_metas (thy :: facts) ^ "\n" |
48301 | 413 |
in |
48308 | 414 |
File.write path dirty_line; |
48301 | 415 |
Symtab.fold (fn thy_fact => fn () => |
48308 | 416 |
File.append path (fact_line_for thy_fact)) thy_facts () |
48301 | 417 |
end |
418 |
||
48302 | 419 |
val global_state = |
48304 | 420 |
Synchronized.var "Sledgehammer_Filter_MaSh.global_state" (false, empty_state) |
48301 | 421 |
|
422 |
in |
|
423 |
||
48306 | 424 |
fun mash_map f = |
48302 | 425 |
Synchronized.change global_state (mash_load ##> (f #> tap mash_save)) |
426 |
||
48304 | 427 |
fun mash_get () = Synchronized.change_result global_state (mash_load #> `snd) |
48302 | 428 |
|
48308 | 429 |
fun mash_reset ctxt = |
48302 | 430 |
Synchronized.change global_state (fn _ => |
48309 | 431 |
(mash_RESET ctxt; File.write (mash_state_path ()) ""; |
48308 | 432 |
(true, empty_state))) |
48301 | 433 |
|
434 |
end |
|
435 |
||
48308 | 436 |
fun mash_can_suggest_facts (_ : Proof.context) = |
437 |
not (Symtab.is_empty (#thy_facts (mash_get ()))) |
|
48249 | 438 |
|
48311 | 439 |
fun mash_suggest_facts ctxt params prover hyp_ts concl_t facts = |
48301 | 440 |
let |
48302 | 441 |
val thy = Proof_Context.theory_of ctxt |
48311 | 442 |
val thy_facts = #thy_facts (mash_get ()) |
443 |
val access = accessibility_of thy thy_facts |
|
48302 | 444 |
val feats = features_of thy General (concl_t :: hyp_ts) |
48311 | 445 |
val suggs = mash_QUERY ctxt (access, feats) |
446 |
in suggested_facts suggs facts end |
|
48249 | 447 |
|
48308 | 448 |
fun mash_can_learn_thy (_ : Proof.context) thy = |
48306 | 449 |
not (Symtab.defined (#dirty_thys (mash_get ())) (Context.theory_name thy)) |
48304 | 450 |
|
451 |
fun is_fact_in_thy_facts thy_facts fact = |
|
452 |
case Symtab.lookup thy_facts (thy_name_of_fact fact) of |
|
453 |
SOME facts => member (op =) facts fact |
|
454 |
| NONE => false |
|
48249 | 455 |
|
48306 | 456 |
fun zip_facts news [] = news |
457 |
| zip_facts [] olds = olds |
|
458 |
| zip_facts (new :: news) (old :: olds) = |
|
459 |
if new = old then |
|
460 |
new :: zip_facts news olds |
|
461 |
else if member (op =) news old then |
|
462 |
old :: zip_facts (filter_out (curry (op =) old) news) olds |
|
463 |
else if member (op =) olds new then |
|
464 |
new :: zip_facts news (filter_out (curry (op =) new) olds) |
|
465 |
else |
|
466 |
new :: old :: zip_facts news olds |
|
467 |
||
468 |
fun add_thy_facts_from_thys new old = |
|
469 |
let |
|
470 |
fun add_thy (thy, new_facts) = |
|
471 |
case Symtab.lookup old thy of |
|
472 |
SOME old_facts => Symtab.update (thy, zip_facts old_facts new_facts) |
|
473 |
| NONE => Symtab.update_new (thy, new_facts) |
|
474 |
in old |> Symtab.fold add_thy new end |
|
475 |
||
48308 | 476 |
fun mash_learn_thy ctxt thy timeout = |
48304 | 477 |
let |
478 |
val css_table = Sledgehammer_Fact.clasimpset_rule_table_of ctxt |
|
479 |
val facts = all_non_tautological_facts_of thy css_table |
|
48306 | 480 |
val {thy_facts, ...} = mash_get () |
48304 | 481 |
fun is_old (_, th) = is_fact_in_thy_facts thy_facts (Thm.get_name_hint th) |
482 |
val (old_facts, new_facts) = |
|
483 |
facts |> List.partition is_old ||> sort (thm_ord o pairself snd) |
|
48308 | 484 |
in |
485 |
if null new_facts then |
|
486 |
() |
|
487 |
else |
|
48304 | 488 |
let |
48308 | 489 |
val ths = facts |> map snd |
490 |
val all_names = ths |> map Thm.get_name_hint |
|
48311 | 491 |
fun do_fact ((_, (_, status)), th) (prevs, upds) = |
48308 | 492 |
let |
493 |
val name = Thm.get_name_hint th |
|
494 |
val feats = features_of thy status [prop_of th] |
|
495 |
val deps = isabelle_dependencies_of all_names th |
|
48311 | 496 |
val upd = (name, prevs, feats, deps) |
497 |
in ([name], upd :: upds) end |
|
48308 | 498 |
val parents = parent_facts thy thy_facts |
48311 | 499 |
val (_, upds) = (parents, []) |> fold do_fact new_facts |
48308 | 500 |
val new_thy_facts = new_facts |> thy_facts_from_thms |
501 |
fun trans {dirty_thys, thy_facts} = |
|
48311 | 502 |
(mash_ADD ctxt (rev upds); |
48308 | 503 |
{dirty_thys = dirty_thys, |
504 |
thy_facts = thy_facts |> add_thy_facts_from_thys new_thy_facts}) |
|
505 |
in mash_map trans end |
|
506 |
end |
|
48304 | 507 |
|
48309 | 508 |
fun mash_learn_proof ctxt thy t ths = |
509 |
mash_map (fn state as {dirty_thys, thy_facts} => |
|
510 |
let val deps = ths |> map Thm.get_name_hint in |
|
511 |
if forall (is_fact_in_thy_facts thy_facts) deps then |
|
512 |
let |
|
513 |
val fact = ATP_Util.timestamp () (* should be fairly fresh *) |
|
514 |
val access = accessibility_of thy thy_facts |
|
515 |
val feats = features_of thy General [t] |
|
516 |
in |
|
517 |
mash_ADD ctxt [(fact, access, feats, deps)]; |
|
518 |
{dirty_thys = dirty_thys, thy_facts = thy_facts} |
|
519 |
end |
|
520 |
else |
|
521 |
state |
|
522 |
end) |
|
48249 | 523 |
|
48314
ee33ba3c0e05
added option to control which fact filter is used
blanchet
parents:
48313
diff
changeset
|
524 |
fun relevant_facts ctxt (params as {fact_filter, ...}) prover max_facts |
48298 | 525 |
({add, only, ...} : fact_override) hyp_ts concl_t facts = |
48314
ee33ba3c0e05
added option to control which fact filter is used
blanchet
parents:
48313
diff
changeset
|
526 |
if not (subset (op =) (the_list fact_filter, fact_filters)) then |
ee33ba3c0e05
added option to control which fact filter is used
blanchet
parents:
48313
diff
changeset
|
527 |
error ("Unknown fact filter: " ^ quote (the fact_filter) ^ ".") |
ee33ba3c0e05
added option to control which fact filter is used
blanchet
parents:
48313
diff
changeset
|
528 |
else if only then |
48289 | 529 |
facts |
48293 | 530 |
else if max_facts <= 0 then |
48288
255c6e1fd505
rationalize relevance filter, slowing moving code from Iter to MaSh
blanchet
parents:
48251
diff
changeset
|
531 |
[] |
255c6e1fd505
rationalize relevance filter, slowing moving code from Iter to MaSh
blanchet
parents:
48251
diff
changeset
|
532 |
else |
255c6e1fd505
rationalize relevance filter, slowing moving code from Iter to MaSh
blanchet
parents:
48251
diff
changeset
|
533 |
let |
48314
ee33ba3c0e05
added option to control which fact filter is used
blanchet
parents:
48313
diff
changeset
|
534 |
val fact_filter = |
ee33ba3c0e05
added option to control which fact filter is used
blanchet
parents:
48313
diff
changeset
|
535 |
case fact_filter of |
ee33ba3c0e05
added option to control which fact filter is used
blanchet
parents:
48313
diff
changeset
|
536 |
SOME ff => ff |
ee33ba3c0e05
added option to control which fact filter is used
blanchet
parents:
48313
diff
changeset
|
537 |
| NONE => if mash_home () = "" then iterN else meshN |
48288
255c6e1fd505
rationalize relevance filter, slowing moving code from Iter to MaSh
blanchet
parents:
48251
diff
changeset
|
538 |
val add_ths = Attrib.eval_thms ctxt add |
48292 | 539 |
fun prepend_facts ths accepts = |
48288
255c6e1fd505
rationalize relevance filter, slowing moving code from Iter to MaSh
blanchet
parents:
48251
diff
changeset
|
540 |
((facts |> filter (member Thm.eq_thm_prop ths o snd)) @ |
48292 | 541 |
(accepts |> filter_out (member Thm.eq_thm_prop ths o snd))) |
48293 | 542 |
|> take max_facts |
48314
ee33ba3c0e05
added option to control which fact filter is used
blanchet
parents:
48313
diff
changeset
|
543 |
fun iter () = |
48298 | 544 |
iterative_relevant_facts ctxt params prover max_facts NONE hyp_ts |
545 |
concl_t facts |
|
48314
ee33ba3c0e05
added option to control which fact filter is used
blanchet
parents:
48313
diff
changeset
|
546 |
|> (fn facts => (facts, SOME (length facts))) |
ee33ba3c0e05
added option to control which fact filter is used
blanchet
parents:
48313
diff
changeset
|
547 |
fun mash () = |
ee33ba3c0e05
added option to control which fact filter is used
blanchet
parents:
48313
diff
changeset
|
548 |
(facts |> mash_suggest_facts ctxt params prover hyp_ts concl_t, NONE) |
ee33ba3c0e05
added option to control which fact filter is used
blanchet
parents:
48313
diff
changeset
|
549 |
val mess = |
ee33ba3c0e05
added option to control which fact filter is used
blanchet
parents:
48313
diff
changeset
|
550 |
[] |> (if fact_filter <> mashN then cons (iter ()) else I) |
ee33ba3c0e05
added option to control which fact filter is used
blanchet
parents:
48313
diff
changeset
|
551 |
|> (if fact_filter <> iterN then cons (mash ()) else I) |
48288
255c6e1fd505
rationalize relevance filter, slowing moving code from Iter to MaSh
blanchet
parents:
48251
diff
changeset
|
552 |
in |
48313
0faafdffa662
mesh facts by taking into consideration whether a fact is known to MeSh
blanchet
parents:
48312
diff
changeset
|
553 |
mesh_facts max_facts mess |
48288
255c6e1fd505
rationalize relevance filter, slowing moving code from Iter to MaSh
blanchet
parents:
48251
diff
changeset
|
554 |
|> not (null add_ths) ? prepend_facts add_ths |
255c6e1fd505
rationalize relevance filter, slowing moving code from Iter to MaSh
blanchet
parents:
48251
diff
changeset
|
555 |
end |
255c6e1fd505
rationalize relevance filter, slowing moving code from Iter to MaSh
blanchet
parents:
48251
diff
changeset
|
556 |
|
48248 | 557 |
end; |