author | blanchet |
Wed, 18 Jul 2012 08:44:04 +0200 | |
changeset 48318 | 325c8fd0d762 |
parent 48316 | 252f45c04042 |
child 48319 | 340187063d84 |
permissions | -rw-r--r-- |
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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 is_likely_tautology : Proof.context -> string -> thm -> bool |
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val is_too_meta : thm -> bool |
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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 features_of : |
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Proof.context -> string -> theory -> status -> term list -> string list |
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val isabelle_dependencies_of : unit Symtab.table -> thm -> string list |
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val goal_of_thm : theory -> thm -> thm |
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val run_prover : |
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Proof.context -> params -> string -> fact list -> thm -> prover_result |
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val mash_RESET : Proof.context -> unit |
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val mash_INIT : |
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Proof.context -> bool |
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-> (string * string list * string list * string list) list -> unit |
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val mash_ADD : |
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Proof.context -> bool |
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-> (string * string list * string list * string list) list -> unit |
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val mash_QUERY : |
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Proof.context -> bool -> int -> string list * string list -> string list |
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val mash_reset : Proof.context -> unit |
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val mash_could_suggest_facts : unit -> bool |
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val mash_can_suggest_facts : unit -> bool |
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val mash_suggest_facts : |
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Proof.context -> params -> string -> int -> term list -> term -> fact list |
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-> fact list |
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val mash_learn_thy : Proof.context -> params -> theory -> Time.time -> unit |
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val mash_learn_proof : |
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Proof.context -> params -> term -> thm list -> fact 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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open Sledgehammer_Minimize |
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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 (Isabelle_System.mkdir o Path.explode) |
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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 = String.explode #> unmeta_chars [] |
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val unescape_metas = |
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space_explode " " #> filter_out (curry (op =) "") #> map unescape_meta |
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fun extract_query line = |
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case space_explode ":" line of |
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[goal_name, suggs] => (unescape_meta goal_name, unescape_metas 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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167 |
|
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fun higher_inst_const thy (s, T) = |
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169 |
case binder_types T of |
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[] => false |
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| Ts => length (binder_types (Sign.the_const_type thy s)) <> length Ts |
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172 |
handle TYPE _ => false |
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173 |
|
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174 |
val binders = [@{const_name All}, @{const_name Ex}] |
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175 |
|
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176 |
in |
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177 |
|
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178 |
fun is_fo_term thy t = |
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179 |
let |
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180 |
val t = |
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181 |
t |> Envir.beta_eta_contract |
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182 |
|> transform_elim_prop |
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183 |
|> Object_Logic.atomize_term thy |
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184 |
in |
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185 |
Term.is_first_order binders t andalso |
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186 |
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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189 |
end |
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190 |
|
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191 |
end |
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192 |
|
48318 | 193 |
fun interesting_terms_types_and_classes ctxt prover term_max_depth |
194 |
type_max_depth ts = |
|
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195 |
let |
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196 |
val bad_types = [@{type_name prop}, @{type_name bool}, @{type_name fun}] |
48318 | 197 |
fun is_bad_const (x as (s, _)) args = |
198 |
member (op =) atp_logical_consts s orelse |
|
199 |
fst (is_built_in_const_for_prover ctxt prover x args) |
|
48304 | 200 |
fun add_classes @{sort type} = I |
201 |
| 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 |
206 |
| 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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208 |
fun mk_app s args = |
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209 |
if member (op <>) args "" then s ^ "(" ^ space_implode "," args ^ ")" |
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210 |
else s |
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211 |
fun patternify ~1 _ = "" |
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|
212 |
| patternify depth t = |
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|
213 |
case strip_comb t of |
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214 |
(Const (s, _), args) => |
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|
215 |
mk_app (const_name_of s) (map (patternify (depth - 1)) args) |
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216 |
| _ => "" |
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217 |
fun add_term_patterns ~1 _ = I |
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218 |
| add_term_patterns depth t = |
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219 |
insert (op =) (patternify depth t) |
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220 |
#> add_term_patterns (depth - 1) t |
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221 |
val add_term = add_term_patterns term_max_depth |
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222 |
fun add_patterns t = |
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223 |
let val (head, args) = strip_comb t in |
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224 |
(case head of |
48318 | 225 |
Const (x as (_, T)) => |
226 |
not (is_bad_const x args) ? (add_term t #> add_type T) |
|
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227 |
| Free (_, T) => add_type T |
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|
228 |
| Var (_, T) => add_type T |
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229 |
| Abs (_, T, body) => add_type T #> add_patterns body |
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230 |
| _ => I) |
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|
231 |
#> fold add_patterns args |
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|
232 |
end |
48302 | 233 |
in [] |> fold add_patterns ts |> sort string_ord end |
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234 |
|
48318 | 235 |
fun is_likely_tautology ctxt prover th = |
236 |
null (interesting_terms_types_and_classes ctxt prover 0 ~1 [prop_of th]) |
|
237 |
andalso not (Thm.eq_thm_prop (@{thm ext}, th)) |
|
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238 |
|
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239 |
(* ### FIXME: optimize *) |
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|
240 |
fun is_too_meta th = |
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|
241 |
fastype_of (Object_Logic.atomize_term (theory_of_thm th) (prop_of th)) |
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242 |
<> @{typ bool} |
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|
243 |
|
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|
244 |
fun theory_ord p = |
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|
245 |
if Theory.eq_thy p then |
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|
246 |
EQUAL |
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|
247 |
else if Theory.subthy p then |
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|
248 |
LESS |
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|
249 |
else if Theory.subthy (swap p) then |
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|
250 |
GREATER |
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|
251 |
else case int_ord (pairself (length o Theory.ancestors_of) p) of |
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|
252 |
EQUAL => string_ord (pairself Context.theory_name p) |
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|
253 |
| order => order |
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|
254 |
|
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|
255 |
val thm_ord = theory_ord o pairself theory_of_thm |
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|
256 |
|
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|
257 |
fun is_exists (s, _) = (s = @{const_name Ex} orelse s = @{const_name Ex1}) |
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|
258 |
|
48297 | 259 |
val term_max_depth = 1 |
260 |
val type_max_depth = 1 |
|
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|
261 |
|
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|
262 |
(* TODO: Generate type classes for types? *) |
48318 | 263 |
fun features_of ctxt prover thy status ts = |
48303
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|
264 |
thy_feature_name_of (Context.theory_name thy) :: |
48318 | 265 |
interesting_terms_types_and_classes ctxt prover term_max_depth type_max_depth |
266 |
ts |
|
48302 | 267 |
|> exists (not o is_lambda_free) ts ? cons "lambdas" |
268 |
|> exists (exists_Const is_exists) ts ? cons "skolems" |
|
269 |
|> exists (not o is_fo_term thy) ts ? cons "ho" |
|
270 |
|> (case status of |
|
271 |
General => I |
|
272 |
| Induction => cons "induction" |
|
273 |
| Intro => cons "intro" |
|
274 |
| Inductive => cons "inductive" |
|
275 |
| Elim => cons "elim" |
|
276 |
| Simp => cons "simp" |
|
277 |
| Def => cons "def") |
|
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|
278 |
|
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|
279 |
fun isabelle_dependencies_of all_facts = |
48303
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|
280 |
thms_in_proof (SOME all_facts) #> sort string_ord |
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|
281 |
|
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|
282 |
val freezeT = Type.legacy_freeze_type |
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|
283 |
|
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|
284 |
fun freeze (t $ u) = freeze t $ freeze u |
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|
285 |
| freeze (Abs (s, T, t)) = Abs (s, freezeT T, freeze t) |
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|
286 |
| freeze (Var ((s, _), T)) = Free (s, freezeT T) |
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|
287 |
| freeze (Const (s, T)) = Const (s, freezeT T) |
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|
288 |
| freeze (Free (s, T)) = Free (s, freezeT T) |
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|
289 |
| freeze t = t |
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|
290 |
|
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|
291 |
fun goal_of_thm thy = prop_of #> freeze #> cterm_of thy #> Goal.init |
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|
292 |
|
48318 | 293 |
fun run_prover ctxt params prover facts goal = |
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|
294 |
let |
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|
295 |
val problem = |
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|
296 |
{state = Proof.init ctxt, goal = goal, subgoal = 1, subgoal_count = 1, |
48289 | 297 |
facts = facts |> map (apfst (apfst (fn name => name ()))) |
48318 | 298 |
|> map Untranslated_Fact} |
299 |
val prover = get_minimizing_prover ctxt Normal prover |
|
48251
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|
300 |
in prover params (K (K (K ""))) problem end |
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|
301 |
|
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|
302 |
|
48302 | 303 |
(*** Low-level communication with MaSh ***) |
304 |
||
48318 | 305 |
fun write_file write file = |
306 |
let val path = Path.explode file in |
|
307 |
File.write path ""; write (File.append path) |
|
308 |
end |
|
48316
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changeset
|
309 |
|
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|
310 |
fun mash_info overlord = |
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changeset
|
311 |
if overlord then (getenv "ISABELLE_HOME_USER", "") |
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|
312 |
else (getenv "ISABELLE_TMP", serial_string ()) |
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changeset
|
313 |
|
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changeset
|
314 |
fun run_mash ctxt (temp_dir, serial) core = |
48311 | 315 |
let |
48316
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changeset
|
316 |
val log_file = temp_dir ^ "/mash_log" ^ serial |
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changeset
|
317 |
val err_file = temp_dir ^ "/mash_err" ^ serial |
48311 | 318 |
val command = |
48316
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changeset
|
319 |
mash_home () ^ "/mash.py --quiet --outputDir " ^ mash_state_dir () ^ |
252f45c04042
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|
320 |
" --log " ^ log_file ^ " " ^ core ^ " 2>&1 > " ^ err_file |
252f45c04042
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diff
changeset
|
321 |
in |
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|
322 |
trace_msg ctxt (fn () => "Running " ^ command); |
48318 | 323 |
write_file (K ()) log_file; |
324 |
write_file (K ()) err_file; |
|
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|
325 |
Isabelle_System.bash command; () |
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changeset
|
326 |
end |
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changeset
|
327 |
|
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|
328 |
fun run_mash_init ctxt overlord write_access write_feats write_deps = |
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changeset
|
329 |
let |
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changeset
|
330 |
val info as (temp_dir, serial) = mash_info overlord |
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changeset
|
331 |
val in_dir = temp_dir ^ "/mash_init" ^ serial |
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changeset
|
332 |
|> tap (Isabelle_System.mkdir o Path.explode) |
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changeset
|
333 |
in |
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changeset
|
334 |
write_file write_access (in_dir ^ "/mash_accessibility"); |
252f45c04042
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changeset
|
335 |
write_file write_feats (in_dir ^ "/mash_features"); |
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changeset
|
336 |
write_file write_deps (in_dir ^ "/mash_dependencies"); |
252f45c04042
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changeset
|
337 |
run_mash ctxt info ("--init --inputDir " ^ in_dir) |
252f45c04042
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changeset
|
338 |
end |
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changeset
|
339 |
|
48318 | 340 |
fun run_mash_commands ctxt overlord save max_suggs write_cmds read_suggs = |
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changeset
|
341 |
let |
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changeset
|
342 |
val info as (temp_dir, serial) = mash_info overlord |
48318 | 343 |
val sugg_file = temp_dir ^ "/mash_suggs" ^ serial |
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changeset
|
344 |
val cmd_file = temp_dir ^ "/mash_commands" ^ serial |
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changeset
|
345 |
in |
48318 | 346 |
write_file (K ()) sugg_file; |
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changeset
|
347 |
write_file write_cmds cmd_file; |
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changeset
|
348 |
run_mash ctxt info |
48318 | 349 |
("--inputFile " ^ cmd_file ^ " --predictions " ^ sugg_file ^ |
350 |
" --numberOfPredictions " ^ string_of_int max_suggs ^ |
|
48316
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changeset
|
351 |
(if save then " --saveModel" else "")); |
48318 | 352 |
read_suggs (fn () => File.read_lines (Path.explode sugg_file)) |
48316
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changeset
|
353 |
end |
252f45c04042
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changeset
|
354 |
|
252f45c04042
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changeset
|
355 |
fun str_of_update (name, parents, feats, deps) = |
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changeset
|
356 |
"! " ^ escape_meta name ^ ": " ^ escape_metas parents ^ "; " ^ |
48311 | 357 |
escape_metas feats ^ "; " ^ escape_metas deps ^ "\n" |
358 |
||
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changeset
|
359 |
fun str_of_query (parents, feats) = |
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changeset
|
360 |
"? " ^ escape_metas parents ^ "; " ^ escape_metas feats |
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changeset
|
361 |
|
252f45c04042
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changeset
|
362 |
fun init_str_of_update get (upd as (name, _, _, _)) = |
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changeset
|
363 |
escape_meta name ^ ": " ^ escape_metas (get upd) ^ "\n" |
48311 | 364 |
|
48308 | 365 |
fun mash_RESET ctxt = |
48314
ee33ba3c0e05
added option to control which fact filter is used
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parents:
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diff
changeset
|
366 |
let val path = mash_state_dir () |> Path.explode in |
48309 | 367 |
trace_msg ctxt (K "MaSh RESET"); |
368 |
File.fold_dir (fn file => fn () => |
|
369 |
File.rm (Path.append path (Path.basic file))) |
|
370 |
path () |
|
371 |
end |
|
48302 | 372 |
|
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changeset
|
373 |
fun mash_INIT ctxt _ [] = mash_RESET ctxt |
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changeset
|
374 |
| mash_INIT ctxt overlord upds = |
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changeset
|
375 |
(trace_msg ctxt (fn () => "MaSh INIT " ^ |
252f45c04042
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changeset
|
376 |
elide_string 1000 (space_implode " " (map #1 upds))); |
252f45c04042
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changeset
|
377 |
run_mash_init ctxt overlord |
252f45c04042
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parents:
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changeset
|
378 |
(fn append => List.app (append o init_str_of_update #2) upds) |
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changeset
|
379 |
(fn append => List.app (append o init_str_of_update #3) upds) |
252f45c04042
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changeset
|
380 |
(fn append => List.app (append o init_str_of_update #4) upds)) |
48302 | 381 |
|
48316
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changeset
|
382 |
fun mash_ADD _ _ [] = () |
252f45c04042
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changeset
|
383 |
| mash_ADD ctxt overlord upds = |
252f45c04042
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parents:
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changeset
|
384 |
(trace_msg ctxt (fn () => "MaSh ADD " ^ |
252f45c04042
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parents:
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changeset
|
385 |
elide_string 1000 (space_implode " " (map #1 upds))); |
48318 | 386 |
run_mash_commands ctxt overlord true 0 |
48316
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parents:
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diff
changeset
|
387 |
(fn append => List.app (append o str_of_update) upds) (K ())) |
48302 | 388 |
|
48318 | 389 |
fun mash_QUERY ctxt overlord max_suggs (query as (_, feats)) = |
48314
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parents:
48313
diff
changeset
|
390 |
(trace_msg ctxt (fn () => "MaSh QUERY " ^ space_implode " " feats); |
48318 | 391 |
run_mash_commands ctxt overlord false max_suggs |
48316
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parents:
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diff
changeset
|
392 |
(fn append => append (str_of_query query)) |
48318 | 393 |
(fn suggs => snd (extract_query (List.last (suggs ())))) |
48311 | 394 |
handle List.Empty => []) |
48302 | 395 |
|
396 |
||
48251
6cdcfbddc077
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parents:
48249
diff
changeset
|
397 |
(*** High-level communication with MaSh ***) |
6cdcfbddc077
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parents:
48249
diff
changeset
|
398 |
|
48301 | 399 |
type mash_state = |
48316
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changeset
|
400 |
{thys : bool Symtab.table, |
252f45c04042
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parents:
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changeset
|
401 |
fact_graph : unit Graph.T} |
48301 | 402 |
|
48316
252f45c04042
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parents:
48315
diff
changeset
|
403 |
val empty_state = {thys = Symtab.empty, fact_graph = Graph.empty} |
48301 | 404 |
|
405 |
local |
|
406 |
||
407 |
fun mash_load (state as (true, _)) = state |
|
408 |
| mash_load _ = |
|
48309 | 409 |
let val path = mash_state_path () in |
48302 | 410 |
(true, |
411 |
case try File.read_lines path of |
|
48316
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
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parents:
48315
diff
changeset
|
412 |
SOME (comp_thys :: incomp_thys :: fact_lines) => |
48302 | 413 |
let |
48316
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
414 |
fun add_thy comp thy = Symtab.update (thy, comp) |
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
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parents:
48315
diff
changeset
|
415 |
fun add_fact_line line = |
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
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parents:
48315
diff
changeset
|
416 |
case extract_query line of |
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
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parents:
48315
diff
changeset
|
417 |
("", _) => I (* shouldn't happen *) |
252f45c04042
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parents:
48315
diff
changeset
|
418 |
| (name, parents) => |
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
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parents:
48315
diff
changeset
|
419 |
Graph.default_node (name, ()) |
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
420 |
#> fold (fn par => Graph.add_edge (par, name)) parents |
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
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parents:
48315
diff
changeset
|
421 |
val thys = |
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
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parents:
48315
diff
changeset
|
422 |
Symtab.empty |> fold (add_thy true) (unescape_metas comp_thys) |
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
423 |
|> fold (add_thy false) (unescape_metas incomp_thys) |
252f45c04042
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blanchet
parents:
48315
diff
changeset
|
424 |
val fact_graph = Graph.empty |> fold add_fact_line fact_lines |
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
425 |
in {thys = thys, fact_graph = fact_graph} end |
48304 | 426 |
| _ => empty_state) |
48302 | 427 |
end |
48249 | 428 |
|
48316
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
429 |
fun mash_save ({thys, fact_graph, ...} : mash_state) = |
48301 | 430 |
let |
48309 | 431 |
val path = mash_state_path () |
48316
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
432 |
val thys = Symtab.dest thys |
48318 | 433 |
val line_for_thys = escape_metas o AList.find (op =) thys |
434 |
fun fact_line_for name parents = |
|
435 |
escape_meta name ^ ": " ^ escape_metas parents |
|
48316
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
436 |
val append_fact = File.append path o suffix "\n" oo fact_line_for |
48301 | 437 |
in |
48316
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
438 |
File.write path (line_for_thys true ^ "\n" ^ line_for_thys false ^ "\n"); |
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
439 |
Graph.fold (fn (name, ((), (parents, _))) => fn () => |
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
440 |
append_fact name (Graph.Keys.dest parents)) |
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
441 |
fact_graph () |
48301 | 442 |
end |
443 |
||
48302 | 444 |
val global_state = |
48304 | 445 |
Synchronized.var "Sledgehammer_Filter_MaSh.global_state" (false, empty_state) |
48301 | 446 |
|
447 |
in |
|
448 |
||
48306 | 449 |
fun mash_map f = |
48302 | 450 |
Synchronized.change global_state (mash_load ##> (f #> tap mash_save)) |
451 |
||
48304 | 452 |
fun mash_get () = Synchronized.change_result global_state (mash_load #> `snd) |
48302 | 453 |
|
48308 | 454 |
fun mash_reset ctxt = |
48302 | 455 |
Synchronized.change global_state (fn _ => |
48309 | 456 |
(mash_RESET ctxt; File.write (mash_state_path ()) ""; |
48308 | 457 |
(true, empty_state))) |
48301 | 458 |
|
459 |
end |
|
460 |
||
48318 | 461 |
fun mash_could_suggest_facts () = mash_home () <> "" |
462 |
fun mash_can_suggest_facts () = not (Graph.is_empty (#fact_graph (mash_get ()))) |
|
48249 | 463 |
|
48318 | 464 |
fun parents_wrt_facts facts fact_graph = |
48316
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
465 |
let |
48318 | 466 |
val graph_facts = Symtab.make (map (rpair ()) (Graph.keys fact_graph)) |
48316
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
467 |
val facts = |
48318 | 468 |
[] |> fold (cons o Thm.get_name_hint o snd) facts |
469 |
|> filter (Symtab.defined graph_facts) |
|
470 |
|> Graph.all_preds fact_graph |
|
471 |
val facts = Symtab.empty |> fold (fn name => Symtab.update (name, ())) facts |
|
48316
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
472 |
in fact_graph |> Graph.restrict (Symtab.defined facts) |> Graph.maximals end |
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
473 |
|
48318 | 474 |
(* Generate more suggestions than requested, because some might be thrown out |
475 |
later for various reasons and "meshing" gives better results with some |
|
476 |
slack. *) |
|
477 |
fun max_suggs_of max_facts = max_facts + Int.min (200, max_facts) |
|
478 |
||
479 |
fun mash_suggest_facts ctxt ({overlord, ...} : params) prover max_facts hyp_ts |
|
480 |
concl_t facts = |
|
48301 | 481 |
let |
48302 | 482 |
val thy = Proof_Context.theory_of ctxt |
48316
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
483 |
val fact_graph = #fact_graph (mash_get ()) |
48318 | 484 |
val _ = warning (PolyML.makestring (length (fact_graph |> Graph.keys), length (fact_graph |> Graph.maximals), |
485 |
length (fact_graph |> Graph.minimals))) (*###*) |
|
486 |
val parents = parents_wrt_facts facts fact_graph |
|
487 |
val feats = features_of ctxt prover thy General (concl_t :: hyp_ts) |
|
488 |
val suggs = |
|
489 |
mash_QUERY ctxt overlord (max_suggs_of max_facts) (parents, feats) |
|
48311 | 490 |
in suggested_facts suggs facts end |
48249 | 491 |
|
48316
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
492 |
fun add_thys_for thy = |
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
493 |
let fun add comp thy = Symtab.update (Context.theory_name thy, comp) in |
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
494 |
add false thy #> fold (add true) (Theory.ancestors_of thy) |
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
495 |
end |
48249 | 496 |
|
48316
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
497 |
fun update_fact_graph ctxt (name, parents, feats, deps) (upds, graph) = |
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
498 |
let |
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
499 |
fun maybe_add_from from (accum as (parents, graph)) = |
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
500 |
(from :: parents, Graph.add_edge_acyclic (from, name) graph) |
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
501 |
handle Graph.CYCLES _ => |
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
502 |
(trace_msg ctxt (fn () => |
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
503 |
"Cycle between " ^ quote from ^ " and " ^ quote name); accum) |
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
504 |
| Graph.UNDEF _ => |
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
505 |
(trace_msg ctxt (fn () => "Unknown node " ^ quote from); accum) |
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
506 |
val graph = graph |> Graph.new_node (name, ()) |
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
507 |
val (parents, graph) = ([], graph) |> fold maybe_add_from parents |
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
508 |
val (deps, graph) = ([], graph) |> fold maybe_add_from deps |
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
509 |
in ((name, parents, feats, deps) :: upds, graph) end |
48306 | 510 |
|
48318 | 511 |
val pass1_learn_timeout_factor = 0.5 |
512 |
val pass2_learn_timeout_factor = 10.0 |
|
513 |
||
514 |
(* The timeout is understood in a very slack fashion. *) |
|
515 |
fun mash_learn_thy ctxt ({provers, verbose, overlord, ...} : params) thy |
|
516 |
timeout = |
|
48304 | 517 |
let |
48318 | 518 |
val timer = Timer.startRealTimer () |
519 |
val prover = hd provers |
|
520 |
fun timed_out frac = |
|
521 |
Time.> (Timer.checkRealTimer timer, time_mult frac timeout) |
|
522 |
val css_table = clasimpset_rule_table_of ctxt |
|
48315
82d6e46c673f
fixed order of accessibles + other tweaks to MaSh
blanchet
parents:
48314
diff
changeset
|
523 |
val facts = all_facts_of thy css_table |
48316
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
524 |
val {fact_graph, ...} = mash_get () |
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
525 |
fun is_old (_, th) = can (Graph.get_node fact_graph) (Thm.get_name_hint th) |
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
526 |
val new_facts = facts |> filter_out is_old |> sort (thm_ord o pairself snd) |
48308 | 527 |
in |
528 |
if null new_facts then |
|
529 |
() |
|
530 |
else |
|
48304 | 531 |
let |
48318 | 532 |
val n = length new_facts |
533 |
val _ = |
|
534 |
if verbose then |
|
535 |
"MaShing " ^ string_of_int n ^ " fact" ^ plural_s n ^ |
|
536 |
" (advisory timeout: " ^ string_from_time timeout ^ ")..." |
|
537 |
|> Output.urgent_message |
|
538 |
else |
|
539 |
() |
|
48308 | 540 |
val ths = facts |> map snd |
48315
82d6e46c673f
fixed order of accessibles + other tweaks to MaSh
blanchet
parents:
48314
diff
changeset
|
541 |
val all_names = |
48318 | 542 |
ths |> filter_out (is_likely_tautology ctxt prover orf is_too_meta) |
48316
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
543 |
|> map (rpair () o Thm.get_name_hint) |
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
544 |
|> Symtab.make |
48318 | 545 |
fun do_fact _ (accum as (_, true)) = accum |
546 |
| do_fact ((_, (_, status)), th) ((parents, upds), false) = |
|
547 |
let |
|
548 |
val name = Thm.get_name_hint th |
|
549 |
val feats = features_of ctxt prover thy status [prop_of th] |
|
550 |
val deps = isabelle_dependencies_of all_names th |
|
551 |
val upd = (name, parents, feats, deps) |
|
552 |
in (([name], upd :: upds), timed_out pass1_learn_timeout_factor) end |
|
553 |
val parents = parents_wrt_facts facts fact_graph |
|
554 |
val ((_, upds), _) = |
|
555 |
((parents, []), false) |> fold do_fact new_facts |>> apsnd rev |
|
556 |
val n = length upds |
|
48316
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
557 |
fun trans {thys, fact_graph} = |
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
558 |
let |
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
559 |
val mash_INIT_or_ADD = |
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
560 |
if Graph.is_empty fact_graph then mash_INIT else mash_ADD |
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
561 |
val (upds, fact_graph) = |
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
562 |
([], fact_graph) |> fold (update_fact_graph ctxt) upds |
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
563 |
in |
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
564 |
(mash_INIT_or_ADD ctxt overlord (rev upds); |
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
565 |
{thys = thys |> add_thys_for thy, |
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
566 |
fact_graph = fact_graph}) |
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
567 |
end |
48318 | 568 |
in |
569 |
TimeLimit.timeLimit (time_mult pass2_learn_timeout_factor timeout) |
|
570 |
mash_map trans |
|
571 |
handle TimeLimit.TimeOut => |
|
572 |
(if verbose then |
|
573 |
"MaSh timed out trying to learn " ^ string_of_int n ^ |
|
574 |
" fact" ^ plural_s n ^ " in " ^ |
|
575 |
string_from_time (Timer.checkRealTimer timer) ^ "." |
|
576 |
|> Output.urgent_message |
|
577 |
else |
|
578 |
()); |
|
579 |
(if verbose then |
|
580 |
"MaSh learned " ^ string_of_int n ^ " fact" ^ plural_s n ^ " in " ^ |
|
581 |
string_from_time (Timer.checkRealTimer timer) ^ "." |
|
582 |
|> Output.urgent_message |
|
583 |
else |
|
584 |
()) |
|
585 |
end |
|
48308 | 586 |
end |
48304 | 587 |
|
48318 | 588 |
fun mash_learn_proof ctxt ({provers, overlord, ...} : params) t used_ths facts = |
48316
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
589 |
let |
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
590 |
val thy = Proof_Context.theory_of ctxt |
48318 | 591 |
val prover = hd provers |
592 |
val name = ATP_Util.timestamp () ^ serial_string () (* fresh enough *) |
|
593 |
val feats = features_of ctxt prover thy General [t] |
|
48316
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
594 |
val deps = used_ths |> map Thm.get_name_hint |
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
595 |
in |
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
596 |
mash_map (fn {thys, fact_graph} => |
48309 | 597 |
let |
48318 | 598 |
val parents = parents_wrt_facts facts fact_graph |
48316
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
599 |
val upds = [(name, parents, feats, deps)] |
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
600 |
val (upds, fact_graph) = |
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
601 |
([], fact_graph) |> fold (update_fact_graph ctxt) upds |
48309 | 602 |
in |
48316
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
603 |
mash_ADD ctxt overlord upds; |
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
604 |
{thys = thys, fact_graph = fact_graph} |
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
605 |
end) |
252f45c04042
drastic overhaul of MaSh data structures + fixed a few performance issues
blanchet
parents:
48315
diff
changeset
|
606 |
end |
48249 | 607 |
|
48318 | 608 |
(* The threshold should be large enough so that MaSh doesn't kick in for Auto |
609 |
Sledgehammer and Try. *) |
|
610 |
val min_secs_for_learning = 15 |
|
611 |
val short_learn_timeout_factor = 0.2 |
|
612 |
val long_learn_timeout_factor = 4.0 |
|
613 |
||
614 |
fun relevant_facts ctxt (params as {fact_filter, timeout, ...}) prover max_facts |
|
48298 | 615 |
({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
|
616 |
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
|
617 |
error ("Unknown fact filter: " ^ quote (the fact_filter) ^ ".") |
ee33ba3c0e05
added option to control which fact filter is used
blanchet
parents:
48313
diff
changeset
|
618 |
else if only then |
48289 | 619 |
facts |
48293 | 620 |
else if max_facts <= 0 then |
48288
255c6e1fd505
rationalize relevance filter, slowing moving code from Iter to MaSh
blanchet
parents:
48251
diff
changeset
|
621 |
[] |
255c6e1fd505
rationalize relevance filter, slowing moving code from Iter to MaSh
blanchet
parents:
48251
diff
changeset
|
622 |
else |
255c6e1fd505
rationalize relevance filter, slowing moving code from Iter to MaSh
blanchet
parents:
48251
diff
changeset
|
623 |
let |
48318 | 624 |
val thy = Proof_Context.theory_of ctxt |
625 |
fun maybe_learn can_suggest = |
|
626 |
if Time.toSeconds timeout >= min_secs_for_learning then |
|
627 |
if Multithreading.enabled () then |
|
628 |
let |
|
629 |
val factor = |
|
630 |
if can_suggest then short_learn_timeout_factor |
|
631 |
else long_learn_timeout_factor |
|
632 |
in |
|
633 |
Future.fork (fn () => mash_learn_thy ctxt params thy |
|
634 |
(time_mult factor timeout)); () |
|
635 |
end |
|
636 |
else |
|
637 |
mash_learn_thy ctxt params thy |
|
638 |
(time_mult short_learn_timeout_factor timeout) |
|
639 |
else |
|
640 |
() |
|
48314
ee33ba3c0e05
added option to control which fact filter is used
blanchet
parents:
48313
diff
changeset
|
641 |
val fact_filter = |
ee33ba3c0e05
added option to control which fact filter is used
blanchet
parents:
48313
diff
changeset
|
642 |
case fact_filter of |
48318 | 643 |
SOME ff => |
644 |
(if ff <> iterN then maybe_learn (mash_can_suggest_facts ()) else (); |
|
645 |
ff) |
|
646 |
| NONE => |
|
647 |
if mash_can_suggest_facts () then (maybe_learn true; meshN) |
|
648 |
else if mash_could_suggest_facts () then (maybe_learn false; iterN) |
|
649 |
else iterN |
|
48288
255c6e1fd505
rationalize relevance filter, slowing moving code from Iter to MaSh
blanchet
parents:
48251
diff
changeset
|
650 |
val add_ths = Attrib.eval_thms ctxt add |
48292 | 651 |
fun prepend_facts ths accepts = |
48288
255c6e1fd505
rationalize relevance filter, slowing moving code from Iter to MaSh
blanchet
parents:
48251
diff
changeset
|
652 |
((facts |> filter (member Thm.eq_thm_prop ths o snd)) @ |
48292 | 653 |
(accepts |> filter_out (member Thm.eq_thm_prop ths o snd))) |
48293 | 654 |
|> take max_facts |
48314
ee33ba3c0e05
added option to control which fact filter is used
blanchet
parents:
48313
diff
changeset
|
655 |
fun iter () = |
48298 | 656 |
iterative_relevant_facts ctxt params prover max_facts NONE hyp_ts |
657 |
concl_t facts |
|
48314
ee33ba3c0e05
added option to control which fact filter is used
blanchet
parents:
48313
diff
changeset
|
658 |
|> (fn facts => (facts, SOME (length facts))) |
ee33ba3c0e05
added option to control which fact filter is used
blanchet
parents:
48313
diff
changeset
|
659 |
fun mash () = |
48318 | 660 |
(mash_suggest_facts ctxt params prover max_facts hyp_ts concl_t facts, |
661 |
NONE) |
|
48314
ee33ba3c0e05
added option to control which fact filter is used
blanchet
parents:
48313
diff
changeset
|
662 |
val mess = |
ee33ba3c0e05
added option to control which fact filter is used
blanchet
parents:
48313
diff
changeset
|
663 |
[] |> (if fact_filter <> mashN then cons (iter ()) else I) |
ee33ba3c0e05
added option to control which fact filter is used
blanchet
parents:
48313
diff
changeset
|
664 |
|> (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
|
665 |
in |
48313
0faafdffa662
mesh facts by taking into consideration whether a fact is known to MeSh
blanchet
parents:
48312
diff
changeset
|
666 |
mesh_facts max_facts mess |
48288
255c6e1fd505
rationalize relevance filter, slowing moving code from Iter to MaSh
blanchet
parents:
48251
diff
changeset
|
667 |
|> not (null add_ths) ? prepend_facts add_ths |
255c6e1fd505
rationalize relevance filter, slowing moving code from Iter to MaSh
blanchet
parents:
48251
diff
changeset
|
668 |
end |
255c6e1fd505
rationalize relevance filter, slowing moving code from Iter to MaSh
blanchet
parents:
48251
diff
changeset
|
669 |
|
48248 | 670 |
end; |