author | blanchet |
Sat, 11 Sep 2010 10:21:52 +0200 | |
changeset 39318 | ad9a1f9b0558 |
parent 38997 | 78ac4468cf9d |
child 39324 | 05452dd66b2b |
permissions | -rw-r--r-- |
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(* Title: HOL/Tools/Sledgehammer/sledgehammer_isar.ML |
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Author: Jasmin Blanchette, TU Muenchen |
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Adds "sledgehammer" and related commands to Isabelle/Isar's outer syntax. |
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*) |
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signature SLEDGEHAMMER_ISAR = |
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sig |
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type params = Sledgehammer.params |
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val auto : bool Unsynchronized.ref |
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val atps : string Unsynchronized.ref |
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val timeout : int Unsynchronized.ref |
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val full_types : bool Unsynchronized.ref |
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val default_params : theory -> (string * string) list -> params |
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val setup : theory -> theory |
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end; |
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||
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structure Sledgehammer_Isar : SLEDGEHAMMER_ISAR = |
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struct |
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open ATP_Systems |
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open Sledgehammer_Util |
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open Sledgehammer |
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open Sledgehammer_Minimize |
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val auto = Unsynchronized.ref false |
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val _ = |
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ProofGeneralPgip.add_preference Preferences.category_tracing |
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(Preferences.bool_pref auto "auto-sledgehammer" |
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"Whether to run Sledgehammer automatically.") |
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||
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(** Sledgehammer commands **) |
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val no_relevance_override = {add = [], del = [], only = false} |
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fun add_relevance_override ns : relevance_override = |
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{add = ns, del = [], only = false} |
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fun del_relevance_override ns : relevance_override = |
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{add = [], del = ns, only = false} |
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fun only_relevance_override ns : relevance_override = |
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{add = ns, del = [], only = true} |
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fun merge_relevance_override_pairwise (r1 : relevance_override) |
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(r2 : relevance_override) = |
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{add = #add r1 @ #add r2, del = #del r1 @ #del r2, |
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Sledgehammer: the empty set of fact () should mean nothing, not unchanged
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only = #only r1 andalso #only r2} |
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fun merge_relevance_overrides rs = |
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fold merge_relevance_override_pairwise rs (only_relevance_override []) |
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(*** parameters ***) |
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val atps = Unsynchronized.ref "" |
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val timeout = Unsynchronized.ref 60 |
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val full_types = Unsynchronized.ref false |
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|
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val _ = |
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ProofGeneralPgip.add_preference Preferences.category_proof |
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(Preferences.string_pref atps |
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"Sledgehammer: ATPs" |
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"Default automatic provers (separated by whitespace)") |
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val _ = |
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ProofGeneralPgip.add_preference Preferences.category_proof |
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(Preferences.int_pref timeout |
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"Sledgehammer: Time Limit" |
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"ATPs will be interrupted after this time (in seconds)") |
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val _ = |
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ProofGeneralPgip.add_preference Preferences.category_proof |
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(Preferences.bool_pref full_types |
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"Sledgehammer: Full Types" "ATPs will use full type information") |
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type raw_param = string * string list |
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val default_default_params = |
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[("blocking", "false"), |
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("debug", "false"), |
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("verbose", "false"), |
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("overlord", "false"), |
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("explicit_apply", "false"), |
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("relevance_thresholds", "45 85"), |
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("max_relevant", "smart"), |
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("isar_proof", "false"), |
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("isar_shrink_factor", "1")] |
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val alias_params = |
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[("atp", "atps")] |
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val negated_alias_params = |
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[("non_blocking", "blocking"), |
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("no_debug", "debug"), |
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("quiet", "verbose"), |
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("no_overlord", "overlord"), |
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("partial_types", "full_types"), |
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("implicit_apply", "explicit_apply"), |
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("no_isar_proof", "isar_proof")] |
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val params_for_minimize = |
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["debug", "verbose", "overlord", "full_types", "isar_proof", |
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"isar_shrink_factor", "timeout"] |
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val property_dependent_params = ["atps", "full_types", "timeout"] |
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fun is_known_raw_param s = |
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AList.defined (op =) default_default_params s orelse |
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AList.defined (op =) alias_params s orelse |
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AList.defined (op =) negated_alias_params s orelse |
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member (op =) property_dependent_params s orelse s = "expect" |
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fun check_raw_param (s, _) = |
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if is_known_raw_param s then () |
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else error ("Unknown parameter: " ^ quote s ^ ".") |
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fun unalias_raw_param (name, value) = |
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case AList.lookup (op =) alias_params name of |
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SOME name' => (name', value) |
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| NONE => |
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case AList.lookup (op =) negated_alias_params name of |
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SOME name' => (name', case value of |
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["false"] => ["true"] |
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| ["true"] => ["false"] |
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| [] => ["false"] |
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| _ => value) |
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| NONE => (name, value) |
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structure Data = Theory_Data( |
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type T = raw_param list |
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val empty = default_default_params |> map (apsnd single) |
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val extend = I |
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fun merge p : T = AList.merge (op =) (K true) p) |
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|
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val set_default_raw_param = Data.map o AList.update (op =) o unalias_raw_param |
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fun default_raw_params thy = |
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Data.get thy |
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|> fold (AList.default (op =)) |
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[("atps", [case !atps of "" => default_atps_param_value () | s => s]), |
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("full_types", [if !full_types then "true" else "false"]), |
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("timeout", let val timeout = !timeout in |
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[if timeout <= 0 then "none" |
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else string_of_int timeout ^ " s"] |
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end)] |
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val infinity_time_in_secs = 60 * 60 * 24 * 365 |
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val the_timeout = the_default (Time.fromSeconds infinity_time_in_secs) |
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fun extract_params auto default_params override_params = |
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let |
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val override_params = map unalias_raw_param override_params |
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val raw_params = rev override_params @ rev default_params |
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val lookup = Option.map (space_implode " ") o AList.lookup (op =) raw_params |
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val lookup_string = the_default "" o lookup |
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fun general_lookup_bool option default_value name = |
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case lookup name of |
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SOME s => parse_bool_option option name s |
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| NONE => default_value |
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val lookup_bool = the o general_lookup_bool false (SOME false) |
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val lookup_bool_option = general_lookup_bool true NONE |
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fun lookup_time name = |
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case lookup name of |
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SOME s => parse_time_option name s |
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| NONE => NONE |
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fun lookup_int name = |
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case lookup name of |
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NONE => 0 |
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| SOME s => case Int.fromString s of |
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SOME n => n |
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| NONE => error ("Parameter " ^ quote name ^ |
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" must be assigned an integer value.") |
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reorganize options regarding to the relevance threshold and decay
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fun lookup_int_pair name = |
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case lookup name of |
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NONE => (0, 0) |
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| SOME s => case s |> space_explode " " |> map Int.fromString of |
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[SOME n1, SOME n2] => (n1, n2) |
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| _ => error ("Parameter " ^ quote name ^ |
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"must be assigned a pair of integer values \ |
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\(e.g., \"60 95\")") |
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fun lookup_int_option name = |
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case lookup name of |
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SOME "smart" => NONE |
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| _ => SOME (lookup_int name) |
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val blocking = auto orelse lookup_bool "blocking" |
181 |
val debug = not auto andalso lookup_bool "debug" |
|
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val verbose = debug orelse (not auto andalso lookup_bool "verbose") |
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val overlord = lookup_bool "overlord" |
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val atps = lookup_string "atps" |> space_explode " " |> auto ? single o hd |
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val full_types = lookup_bool "full_types" |
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val explicit_apply = lookup_bool "explicit_apply" |
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val relevance_thresholds = |
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lookup_int_pair "relevance_thresholds" |
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|> pairself (fn n => 0.01 * Real.fromInt n) |
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val max_relevant = lookup_int_option "max_relevant" |
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val isar_proof = lookup_bool "isar_proof" |
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val isar_shrink_factor = Int.max (1, lookup_int "isar_shrink_factor") |
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val timeout = (if auto then NONE else lookup_time "timeout") |> the_timeout |
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val expect = lookup_string "expect" |
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in |
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{blocking = blocking, debug = debug, verbose = verbose, overlord = overlord, |
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atps = atps, full_types = full_types, explicit_apply = explicit_apply, |
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relevance_thresholds = relevance_thresholds, max_relevant = max_relevant, |
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isar_proof = isar_proof, isar_shrink_factor = isar_shrink_factor, |
200 |
timeout = timeout, expect = expect} |
|
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end |
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|
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fun get_params auto thy = extract_params auto (default_raw_params thy) |
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fun default_params thy = get_params false thy o map (apsnd single) |
|
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205 |
|
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(* Sledgehammer the given subgoal *) |
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207 |
|
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val sledgehammerN = "sledgehammer" |
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val sledgehammer_paramsN = "sledgehammer_params" |
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210 |
|
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val runN = "run" |
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val minimizeN = "minimize" |
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val messagesN = "messages" |
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val available_atpsN = "available_atps" |
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val running_atpsN = "running_atps" |
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val kill_atpsN = "kill_atps" |
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val refresh_tptpN = "refresh_tptp" |
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|
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val is_raw_param_relevant_for_minimize = |
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member (op =) params_for_minimize o fst o unalias_raw_param |
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fun string_for_raw_param (key, values) = |
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key ^ (case space_implode " " values of "" => "" | value => " = " ^ value) |
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223 |
|
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fun minimize_command override_params i atp_name fact_names = |
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sledgehammerN ^ " " ^ minimizeN ^ " [atp = " ^ atp_name ^ |
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(override_params |> filter is_raw_param_relevant_for_minimize |
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|> implode o map (prefix ", " o string_for_raw_param)) ^ |
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"] (" ^ space_implode " " fact_names ^ ")" ^ |
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(if i = 1 then "" else " " ^ string_of_int i) |
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230 |
|
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231 |
fun hammer_away override_params subcommand opt_i relevance_override state = |
35963 | 232 |
let |
233 |
val thy = Proof.theory_of state |
|
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val _ = app check_raw_param override_params |
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235 |
in |
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236 |
if subcommand = runN then |
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let val i = the_default 1 opt_i in |
39318 | 238 |
run_sledgehammer (get_params false thy override_params) false i |
239 |
relevance_override (minimize_command override_params i) |
|
240 |
state |
|
241 |
|> K () |
|
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242 |
end |
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243 |
else if subcommand = minimizeN then |
39318 | 244 |
run_minimize (get_params false thy override_params) (the_default 1 opt_i) |
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|
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(#add relevance_override) state |
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else if subcommand = messagesN then |
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messages opt_i |
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else if subcommand = available_atpsN then |
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249 |
available_atps thy |
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|
250 |
else if subcommand = running_atpsN then |
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|
251 |
running_atps () |
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|
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else if subcommand = kill_atpsN then |
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|
253 |
kill_atps () |
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|
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else if subcommand = refresh_tptpN then |
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|
255 |
refresh_systems_on_tptp () |
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|
256 |
else |
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|
257 |
error ("Unknown subcommand: " ^ quote subcommand ^ ".") |
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|
258 |
end |
35963 | 259 |
|
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|
260 |
fun sledgehammer_trans (((subcommand, params), relevance_override), opt_i) = |
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|
261 |
Toplevel.keep (hammer_away params subcommand opt_i relevance_override |
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|
262 |
o Toplevel.proof_of) |
35963 | 263 |
|
264 |
fun string_for_raw_param (name, value) = name ^ " = " ^ space_implode " " value |
|
265 |
||
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|
266 |
fun sledgehammer_params_trans params = |
35963 | 267 |
Toplevel.theory |
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|
268 |
(fold set_default_raw_param params |
39318 | 269 |
#> tap (fn thy => |
35963 | 270 |
writeln ("Default parameters for Sledgehammer:\n" ^ |
271 |
(case rev (default_raw_params thy) of |
|
272 |
[] => "none" |
|
273 |
| params => |
|
274 |
(map check_raw_param params; |
|
275 |
params |> map string_for_raw_param |
|
276 |
|> sort_strings |> cat_lines))))) |
|
277 |
||
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278 |
val parse_key = Scan.repeat1 Parse.typ_group >> space_implode " " |
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val parse_value = Scan.repeat1 Parse.xname |
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val parse_param = parse_key -- Scan.optional (Parse.$$$ "=" |-- parse_value) [] |
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val parse_params = Scan.optional (Args.bracks (Parse.list parse_param)) [] |
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282 |
val parse_fact_refs = |
38996 | 283 |
Scan.repeat1 (Scan.unless (Parse.name -- Args.colon) Parse_Spec.xthm) |
35966
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|
284 |
val parse_relevance_chunk = |
39318 | 285 |
(Args.add |-- Args.colon |-- parse_fact_refs >> add_relevance_override) |
286 |
|| (Args.del |-- Args.colon |-- parse_fact_refs >> del_relevance_override) |
|
36188 | 287 |
|| (parse_fact_refs >> only_relevance_override) |
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|
288 |
val parse_relevance_override = |
36188 | 289 |
Scan.optional (Args.parens (Scan.repeat parse_relevance_chunk |
290 |
>> merge_relevance_overrides)) |
|
39318 | 291 |
no_relevance_override |
35963 | 292 |
val parse_sledgehammer_command = |
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|
293 |
(Scan.optional Parse.short_ident runN -- parse_params |
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294 |
-- parse_relevance_override -- Scan.option Parse.nat) #>> sledgehammer_trans |
35963 | 295 |
val parse_sledgehammer_params_command = |
296 |
parse_params #>> sledgehammer_params_trans |
|
297 |
||
298 |
val _ = |
|
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|
299 |
Outer_Syntax.improper_command sledgehammerN |
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|
300 |
"search for first-order proof using automatic theorem provers" Keyword.diag |
36394
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|
301 |
parse_sledgehammer_command |
35963 | 302 |
val _ = |
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|
303 |
Outer_Syntax.command sledgehammer_paramsN |
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|
304 |
"set and display the default parameters for Sledgehammer" Keyword.thy_decl |
36394
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|
305 |
parse_sledgehammer_params_command |
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|
306 |
|
39318 | 307 |
fun auto_sledgehammer state = |
308 |
if not (!auto) then |
|
309 |
(false, state) |
|
310 |
else |
|
311 |
let val thy = Proof.theory_of state in |
|
312 |
run_sledgehammer (get_params true thy []) true 1 no_relevance_override |
|
313 |
(minimize_command [] 1) state |
|
314 |
end |
|
315 |
||
316 |
val setup = |
|
317 |
Auto_Counterexample.register_tool ("sledgehammer", auto_sledgehammer) |
|
318 |
||
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|
319 |
end; |