author | blanchet |
Wed, 01 Jun 2011 10:29:43 +0200 | |
changeset 43131 | 9e9420122f91 |
parent 43130 | d73fc2e55308 |
child 43135 | 8c32a0160b0d |
permissions | -rw-r--r-- |
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(* Title: HOL/Tools/ATP/atp_reconstruct.ML |
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Author: Lawrence C. Paulson, Cambridge University Computer Laboratory |
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Author: Claire Quigley, Cambridge University Computer Laboratory |
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Author: Jasmin Blanchette, TU Muenchen |
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Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
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Proof reconstruction from ATP proofs. |
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*) |
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||
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signature ATP_RECONSTRUCT = |
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sig |
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type 'a fo_term = 'a ATP_Problem.fo_term |
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type ('a, 'b, 'c) formula = ('a, 'b, 'c) ATP_Problem.formula |
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type 'a proof = 'a ATP_Proof.proof |
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type locality = ATP_Translate.locality |
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type type_sys = ATP_Translate.type_sys |
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datatype reconstructor = |
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Metis | |
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MetisFT | |
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SMT of string |
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datatype play = |
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Played of reconstructor * Time.time | |
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Trust_Playable of reconstructor * Time.time option| |
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Failed_to_Play |
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type minimize_command = string list -> string |
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type one_line_params = |
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play * string * (string * locality) list * minimize_command * int * int |
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type isar_params = |
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bool * bool * int * type_sys * string Symtab.table * int list list * int |
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* (string * locality) list vector * int Symtab.table * string proof * thm |
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val repair_conjecture_shape_and_fact_names : |
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type_sys -> string -> int list list -> int |
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-> (string * locality) list vector -> int list |
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-> int list list * int * (string * locality) list vector * int list |
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val used_facts_in_atp_proof : |
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Proof.context -> type_sys -> int -> (string * locality) list vector |
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-> string proof -> (string * locality) list |
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val used_facts_in_unsound_atp_proof : |
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Proof.context -> type_sys -> int list list -> int |
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-> (string * locality) list vector -> 'a proof -> string list option |
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val uses_typed_helpers : int list -> 'a proof -> bool |
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val reconstructor_name : reconstructor -> string |
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val one_line_proof_text : one_line_params -> string |
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val term_from_atp : |
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theory -> bool -> int Symtab.table -> (string * sort) list -> typ option |
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-> string fo_term -> term |
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val prop_from_atp : |
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theory -> bool -> int Symtab.table -> (string * sort) list |
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-> (string, string, string fo_term) formula -> term |
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val isar_proof_text : |
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Proof.context -> bool -> isar_params -> one_line_params -> string |
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val proof_text : |
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Proof.context -> bool -> isar_params -> one_line_params -> string |
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end; |
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structure ATP_Reconstruct : ATP_RECONSTRUCT = |
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struct |
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open ATP_Util |
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open ATP_Problem |
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open ATP_Proof |
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open ATP_Translate |
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datatype reconstructor = |
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Metis | |
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MetisFT | |
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SMT of string |
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||
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datatype play = |
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Played of reconstructor * Time.time | |
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Trust_Playable of reconstructor * Time.time option | |
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Failed_to_Play |
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type minimize_command = string list -> string |
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type one_line_params = |
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play * string * (string * locality) list * minimize_command * int * int |
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type isar_params = |
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bool * bool * int * type_sys * string Symtab.table * int list list * int |
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* (string * locality) list vector * int Symtab.table * string proof * thm |
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fun is_head_digit s = Char.isDigit (String.sub (s, 0)) |
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val scan_integer = Scan.many1 is_head_digit >> (the o Int.fromString o implode) |
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val is_typed_helper_name = |
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String.isPrefix helper_prefix andf String.isSuffix typed_helper_suffix |
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fun find_first_in_list_vector vec key = |
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Vector.foldl (fn (ps, NONE) => AList.lookup (op =) ps key |
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| (_, value) => value) NONE vec |
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(** SPASS's FLOTTER hack **) |
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(* This is a hack required for keeping track of facts after they have been |
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clausified by SPASS's FLOTTER preprocessor. The "ATP/scripts/spass" script is |
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also part of this hack. *) |
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val set_ClauseFormulaRelationN = "set_ClauseFormulaRelation" |
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fun extract_clause_sequence output = |
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let |
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val tokens_of = String.tokens (not o Char.isAlphaNum) |
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fun extract_num ("clause" :: (ss as _ :: _)) = Int.fromString (List.last ss) |
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| extract_num _ = NONE |
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in output |> split_lines |> map_filter (extract_num o tokens_of) end |
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val parse_clause_formula_pair = |
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$$ "(" |-- scan_integer --| $$ "," |
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-- (Symbol.scan_id ::: Scan.repeat ($$ "," |-- Symbol.scan_id)) --| $$ ")" |
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--| Scan.option ($$ ",") |
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val parse_clause_formula_relation = |
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Scan.this_string set_ClauseFormulaRelationN |-- $$ "(" |
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|-- Scan.repeat parse_clause_formula_pair |
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val extract_clause_formula_relation = |
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Substring.full #> Substring.position set_ClauseFormulaRelationN |
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#> snd #> Substring.position "." #> fst #> Substring.string |
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#> raw_explode #> filter_out Symbol.is_blank #> parse_clause_formula_relation |
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#> fst |
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fun maybe_unprefix_fact_number type_sys = |
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polymorphism_of_type_sys type_sys <> Polymorphic |
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? (space_implode "_" o tl o space_explode "_") |
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fun repair_conjecture_shape_and_fact_names type_sys output conjecture_shape |
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fact_offset fact_names typed_helpers = |
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if String.isSubstring set_ClauseFormulaRelationN output then |
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let |
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val j0 = hd (hd conjecture_shape) |
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val seq = extract_clause_sequence output |
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val name_map = extract_clause_formula_relation output |
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fun renumber_conjecture j = |
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conjecture_prefix ^ string_of_int (j - j0) |
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|> AList.find (fn (s, ss) => member (op =) ss s) name_map |
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|> map (fn s => find_index (curry (op =) s) seq + 1) |
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fun names_for_number j = |
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j |> AList.lookup (op =) name_map |> these |
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|> map_filter (try (unascii_of o maybe_unprefix_fact_number type_sys |
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o unprefix fact_prefix)) |
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|> map (fn name => |
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(name, name |> find_first_in_list_vector fact_names |> the) |
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handle Option.Option => |
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error ("No such fact: " ^ quote name ^ ".")) |
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in |
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(conjecture_shape |> map (maps renumber_conjecture), 0, |
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seq |> map names_for_number |> Vector.fromList, |
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name_map |> filter (forall is_typed_helper_name o snd) |> map fst) |
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end |
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else |
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(conjecture_shape, fact_offset, fact_names, typed_helpers) |
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|
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val vampire_step_prefix = "f" (* grrr... *) |
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|
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val extract_step_number = |
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Int.fromString o perhaps (try (unprefix vampire_step_prefix)) |
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|
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fun resolve_fact type_sys _ fact_names (_, SOME s) = |
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(case try (unprefix fact_prefix) s of |
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SOME s' => |
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let val s' = s' |> maybe_unprefix_fact_number type_sys |> unascii_of in |
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case find_first_in_list_vector fact_names s' of |
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SOME x => [(s', x)] |
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| NONE => [] |
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end |
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| NONE => []) |
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| resolve_fact _ facts_offset fact_names (num, NONE) = |
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(case extract_step_number num of |
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SOME j => |
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let val j = j - facts_offset in |
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if j > 0 andalso j <= Vector.length fact_names then |
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Vector.sub (fact_names, j - 1) |
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else |
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[] |
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end |
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| NONE => []) |
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|
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fun is_fact type_sys conjecture_shape = |
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not o null o resolve_fact type_sys 0 conjecture_shape |
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fun resolve_conjecture _ (_, SOME s) = |
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(case try (unprefix conjecture_prefix) s of |
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SOME s' => |
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(case Int.fromString s' of |
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SOME j => [j] |
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| NONE => []) |
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| NONE => []) |
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| resolve_conjecture conjecture_shape (num, NONE) = |
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case extract_step_number num of |
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SOME i => (case find_index (exists (curry (op =) i)) conjecture_shape of |
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~1 => [] |
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| j => [j]) |
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| NONE => [] |
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|
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fun is_conjecture conjecture_shape = |
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not o null o resolve_conjecture conjecture_shape |
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|
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fun is_typed_helper _ (_, SOME s) = is_typed_helper_name s |
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| is_typed_helper typed_helpers (num, NONE) = |
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(case extract_step_number num of |
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SOME i => member (op =) typed_helpers i |
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| NONE => false) |
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203 |
|
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val leo2_ext = "extcnf_equal_neg" |
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val isa_ext = Thm.get_name_hint @{thm ext} |
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val isa_short_ext = Long_Name.base_name isa_ext |
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|
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fun ext_name ctxt = |
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if Thm.eq_thm_prop (@{thm ext}, |
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singleton (Attrib.eval_thms ctxt) (Facts.named isa_short_ext, [])) then |
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211 |
isa_short_ext |
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else |
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isa_ext |
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|
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fun add_fact _ type_sys facts_offset fact_names (Inference (name, _, [])) = |
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union (op =) (resolve_fact type_sys facts_offset fact_names name) |
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| add_fact ctxt _ _ _ (Inference (_, _, deps)) = |
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if AList.defined (op =) deps leo2_ext then |
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insert (op =) (ext_name ctxt, General (* or Chained... *)) |
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220 |
else |
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221 |
I |
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| add_fact _ _ _ _ _ = I |
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223 |
|
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fun used_facts_in_atp_proof ctxt type_sys facts_offset fact_names atp_proof = |
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if null atp_proof then Vector.foldl (op @) [] fact_names |
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else fold (add_fact ctxt type_sys facts_offset fact_names) atp_proof [] |
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227 |
|
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fun is_conjecture_referred_to_in_proof conjecture_shape = |
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exists (fn Inference (name, _, []) => is_conjecture conjecture_shape name |
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| _ => false) |
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231 |
|
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fun used_facts_in_unsound_atp_proof ctxt type_sys conjecture_shape facts_offset |
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fact_names atp_proof = |
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234 |
let |
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235 |
val used_facts = |
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236 |
used_facts_in_atp_proof ctxt type_sys facts_offset fact_names atp_proof |
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237 |
in |
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238 |
if forall (is_locality_global o snd) used_facts andalso |
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239 |
not (is_conjecture_referred_to_in_proof conjecture_shape atp_proof) then |
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240 |
SOME (map fst used_facts) |
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241 |
else |
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242 |
NONE |
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243 |
end |
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244 |
|
43033 | 245 |
fun uses_typed_helpers typed_helpers = |
246 |
exists (fn Inference (name, _, []) => is_typed_helper typed_helpers name |
|
247 |
| _ => false) |
|
248 |
||
249 |
||
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250 |
(** Soft-core proof reconstruction: Metis one-liner **) |
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251 |
|
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fun reconstructor_name Metis = "metis" |
253 |
| reconstructor_name MetisFT = "metisFT" |
|
254 |
| reconstructor_name (SMT _) = "smt" |
|
255 |
||
256 |
fun reconstructor_settings (SMT settings) = settings |
|
257 |
| reconstructor_settings _ = "" |
|
258 |
||
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259 |
fun string_for_label (s, num) = s ^ string_of_int num |
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260 |
|
43033 | 261 |
fun show_time NONE = "" |
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262 |
| show_time (SOME ext_time) = " (" ^ string_from_ext_time ext_time ^ ")" |
43033 | 263 |
|
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264 |
fun set_settings "" = "" |
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265 |
| set_settings settings = "using [[" ^ settings ^ "]] " |
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266 |
fun apply_on_subgoal settings _ 1 = set_settings settings ^ "by " |
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267 |
| apply_on_subgoal settings 1 _ = set_settings settings ^ "apply " |
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268 |
| apply_on_subgoal settings i n = |
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269 |
"prefer " ^ string_of_int i ^ " " ^ apply_on_subgoal settings 1 n |
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270 |
fun command_call name [] = name |
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271 |
| command_call name args = "(" ^ name ^ " " ^ space_implode " " args ^ ")" |
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fun try_command_line banner time command = |
273 |
banner ^ ": " ^ Markup.markup Markup.sendback command ^ show_time time ^ "." |
|
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274 |
fun using_labels [] = "" |
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275 |
| using_labels ls = |
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276 |
"using " ^ space_implode " " (map string_for_label ls) ^ " " |
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fun reconstructor_command reconstructor i n (ls, ss) = |
278 |
using_labels ls ^ |
|
279 |
apply_on_subgoal (reconstructor_settings reconstructor) i n ^ |
|
280 |
command_call (reconstructor_name reconstructor) ss |
|
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281 |
fun minimize_line _ [] = "" |
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282 |
| minimize_line minimize_command ss = |
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283 |
case minimize_command ss of |
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284 |
"" => "" |
43006 | 285 |
| command => "\nTo minimize: " ^ Markup.markup Markup.sendback command ^ "." |
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|
286 |
|
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|
287 |
val split_used_facts = |
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|
288 |
List.partition (curry (op =) Chained o snd) |
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|
289 |
#> pairself (sort_distinct (string_ord o pairself fst)) |
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|
290 |
|
43033 | 291 |
fun one_line_proof_text (preplay, banner, used_facts, minimize_command, |
43037 | 292 |
subgoal, subgoal_count) = |
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|
293 |
let |
43033 | 294 |
val (chained, extra) = split_used_facts used_facts |
295 |
val (reconstructor, ext_time) = |
|
296 |
case preplay of |
|
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|
297 |
Played (reconstructor, time) => |
43033 | 298 |
(SOME reconstructor, (SOME (false, time))) |
299 |
| Trust_Playable (reconstructor, time) => |
|
300 |
(SOME reconstructor, |
|
301 |
case time of |
|
302 |
NONE => NONE |
|
303 |
| SOME time => |
|
304 |
if time = Time.zeroTime then NONE else SOME (true, time)) |
|
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|
305 |
| Failed_to_Play => (NONE, NONE) |
43033 | 306 |
val try_line = |
307 |
case reconstructor of |
|
43037 | 308 |
SOME r => ([], map fst extra) |
309 |
|> reconstructor_command r subgoal subgoal_count |
|
43033 | 310 |
|> try_command_line banner ext_time |
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|
311 |
| NONE => "One-line proof reconstruction failed." |
43033 | 312 |
in try_line ^ minimize_line minimize_command (map fst (extra @ chained)) end |
39453
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|
313 |
|
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|
314 |
(** Hard-core proof reconstruction: structured Isar proofs **) |
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|
315 |
|
38014 | 316 |
(* Simple simplifications to ensure that sort annotations don't leave a trail of |
317 |
spurious "True"s. *) |
|
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|
318 |
fun s_not (Const (@{const_name All}, T) $ Abs (s, T', t')) = |
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|
319 |
Const (@{const_name Ex}, T) $ Abs (s, T', s_not t') |
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|
320 |
| s_not (Const (@{const_name Ex}, T) $ Abs (s, T', t')) = |
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|
321 |
Const (@{const_name All}, T) $ Abs (s, T', s_not t') |
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|
322 |
| s_not (@{const HOL.implies} $ t1 $ t2) = @{const HOL.conj} $ t1 $ s_not t2 |
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|
323 |
| s_not (@{const HOL.conj} $ t1 $ t2) = |
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|
324 |
@{const HOL.disj} $ s_not t1 $ s_not t2 |
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|
325 |
| s_not (@{const HOL.disj} $ t1 $ t2) = |
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|
326 |
@{const HOL.conj} $ s_not t1 $ s_not t2 |
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|
327 |
| s_not (@{const False}) = @{const True} |
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|
328 |
| s_not (@{const True}) = @{const False} |
38014 | 329 |
| s_not (@{const Not} $ t) = t |
330 |
| s_not t = @{const Not} $ t |
|
331 |
fun s_conj (@{const True}, t2) = t2 |
|
332 |
| s_conj (t1, @{const True}) = t1 |
|
333 |
| s_conj p = HOLogic.mk_conj p |
|
334 |
fun s_disj (@{const False}, t2) = t2 |
|
335 |
| s_disj (t1, @{const False}) = t1 |
|
336 |
| s_disj p = HOLogic.mk_disj p |
|
337 |
fun s_imp (@{const True}, t2) = t2 |
|
338 |
| s_imp (t1, @{const False}) = s_not t1 |
|
339 |
| s_imp p = HOLogic.mk_imp p |
|
340 |
fun s_iff (@{const True}, t2) = t2 |
|
341 |
| s_iff (t1, @{const True}) = t1 |
|
342 |
| s_iff (t1, t2) = HOLogic.eq_const HOLogic.boolT $ t1 $ t2 |
|
343 |
||
39425 | 344 |
fun forall_of v t = HOLogic.all_const (fastype_of v) $ lambda v t |
345 |
fun exists_of v t = HOLogic.exists_const (fastype_of v) $ lambda v t |
|
346 |
||
39453
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diff
changeset
|
347 |
val indent_size = 2 |
1740a2d6bef9
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parents:
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changeset
|
348 |
val no_label = ("", ~1) |
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changeset
|
349 |
|
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changeset
|
350 |
val raw_prefix = "X" |
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parents:
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diff
changeset
|
351 |
val assum_prefix = "A" |
42180
a6c141925a8a
added monomorphization option to Sledgehammer ATPs -- this looks promising but is still off by default
blanchet
parents:
41742
diff
changeset
|
352 |
val have_prefix = "F" |
39370
f8292d3020db
use same hack as in "Async_Manager" to work around Proof General bug
blanchet
parents:
39368
diff
changeset
|
353 |
|
39453
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changeset
|
354 |
fun raw_label_for_name conjecture_shape name = |
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diff
changeset
|
355 |
case resolve_conjecture conjecture_shape name of |
1740a2d6bef9
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parents:
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diff
changeset
|
356 |
[j] => (conjecture_prefix, j) |
39455 | 357 |
| _ => case Int.fromString (fst name) of |
39453
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diff
changeset
|
358 |
SOME j => (raw_prefix, j) |
39455 | 359 |
| NONE => (raw_prefix ^ fst name, 0) |
39453
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use the same TSTP/Vampire/SPASS parser for one-liners as for Isar proofs
blanchet
parents:
39452
diff
changeset
|
360 |
|
21978
72c21698a055
Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff
changeset
|
361 |
(**** INTERPRETATION OF TSTP SYNTAX TREES ****) |
72c21698a055
Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff
changeset
|
362 |
|
37991 | 363 |
exception FO_TERM of string fo_term list |
42531
a462dbaa584f
added more rudimentary type support to Sledgehammer's ATP encoding
blanchet
parents:
42526
diff
changeset
|
364 |
exception FORMULA of (string, string, string fo_term) formula list |
37991 | 365 |
exception SAME of unit |
21978
72c21698a055
Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff
changeset
|
366 |
|
36909
7d5587f6d5f7
made Sledgehammer's full-typed proof reconstruction work for the first time;
blanchet
parents:
36607
diff
changeset
|
367 |
(* Type variables are given the basic sort "HOL.type". Some will later be |
37991 | 368 |
constrained by information from type literals, or by type inference. *) |
43093 | 369 |
fun typ_from_atp tfrees (u as ATerm (a, us)) = |
370 |
let val Ts = map (typ_from_atp tfrees) us in |
|
38748 | 371 |
case strip_prefix_and_unascii type_const_prefix a of |
37991 | 372 |
SOME b => Type (invert_const b, Ts) |
373 |
| NONE => |
|
374 |
if not (null us) then |
|
375 |
raise FO_TERM [u] (* only "tconst"s have type arguments *) |
|
38748 | 376 |
else case strip_prefix_and_unascii tfree_prefix a of |
37991 | 377 |
SOME b => |
378 |
let val s = "'" ^ b in |
|
379 |
TFree (s, AList.lookup (op =) tfrees s |> the_default HOLogic.typeS) |
|
380 |
end |
|
36486
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support Vampire definitions of constants as "let" constructs in Isar proofs
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diff
changeset
|
381 |
| NONE => |
38748 | 382 |
case strip_prefix_and_unascii tvar_prefix a of |
37991 | 383 |
SOME b => TVar (("'" ^ b, 0), HOLogic.typeS) |
36486
c2d7e2dff59e
support Vampire definitions of constants as "let" constructs in Isar proofs
blanchet
parents:
36485
diff
changeset
|
384 |
| NONE => |
37991 | 385 |
(* Variable from the ATP, say "X1" *) |
386 |
Type_Infer.param 0 (a, HOLogic.typeS) |
|
387 |
end |
|
21978
72c21698a055
Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff
changeset
|
388 |
|
38014 | 389 |
(* Type class literal applied to a type. Returns triple of polarity, class, |
390 |
type. *) |
|
42606
0c76cf483899
show sorts not just types in Isar proofs + tuning
blanchet
parents:
42595
diff
changeset
|
391 |
fun type_constraint_from_term tfrees (u as ATerm (a, us)) = |
38748 | 392 |
case (strip_prefix_and_unascii class_prefix a, |
43093 | 393 |
map (typ_from_atp tfrees) us) of |
42606
0c76cf483899
show sorts not just types in Isar proofs + tuning
blanchet
parents:
42595
diff
changeset
|
394 |
(SOME b, [T]) => (b, T) |
38014 | 395 |
| _ => raise FO_TERM [u] |
396 |
||
38085
cc44e887246c
avoid "clause" and "cnf" terminology where it no longer makes sense
blanchet
parents:
38066
diff
changeset
|
397 |
(** Accumulate type constraints in a formula: negative type literals **) |
38014 | 398 |
fun add_var (key, z) = Vartab.map_default (key, []) (cons z) |
42606
0c76cf483899
show sorts not just types in Isar proofs + tuning
blanchet
parents:
42595
diff
changeset
|
399 |
fun add_type_constraint false (cl, TFree (a ,_)) = add_var ((a, ~1), cl) |
0c76cf483899
show sorts not just types in Isar proofs + tuning
blanchet
parents:
42595
diff
changeset
|
400 |
| add_type_constraint false (cl, TVar (ix, _)) = add_var (ix, cl) |
0c76cf483899
show sorts not just types in Isar proofs + tuning
blanchet
parents:
42595
diff
changeset
|
401 |
| add_type_constraint _ _ = I |
38014 | 402 |
|
43094 | 403 |
fun repair_variable_name f s = |
36486
c2d7e2dff59e
support Vampire definitions of constants as "let" constructs in Isar proofs
blanchet
parents:
36485
diff
changeset
|
404 |
let |
c2d7e2dff59e
support Vampire definitions of constants as "let" constructs in Isar proofs
blanchet
parents:
36485
diff
changeset
|
405 |
fun subscript_name s n = s ^ nat_subscript n |
38488 | 406 |
val s = String.map f s |
36486
c2d7e2dff59e
support Vampire definitions of constants as "let" constructs in Isar proofs
blanchet
parents:
36485
diff
changeset
|
407 |
in |
c2d7e2dff59e
support Vampire definitions of constants as "let" constructs in Isar proofs
blanchet
parents:
36485
diff
changeset
|
408 |
case space_explode "_" s of |
c2d7e2dff59e
support Vampire definitions of constants as "let" constructs in Isar proofs
blanchet
parents:
36485
diff
changeset
|
409 |
[_] => (case take_suffix Char.isDigit (String.explode s) of |
c2d7e2dff59e
support Vampire definitions of constants as "let" constructs in Isar proofs
blanchet
parents:
36485
diff
changeset
|
410 |
(cs1 as _ :: _, cs2 as _ :: _) => |
c2d7e2dff59e
support Vampire definitions of constants as "let" constructs in Isar proofs
blanchet
parents:
36485
diff
changeset
|
411 |
subscript_name (String.implode cs1) |
c2d7e2dff59e
support Vampire definitions of constants as "let" constructs in Isar proofs
blanchet
parents:
36485
diff
changeset
|
412 |
(the (Int.fromString (String.implode cs2))) |
c2d7e2dff59e
support Vampire definitions of constants as "let" constructs in Isar proofs
blanchet
parents:
36485
diff
changeset
|
413 |
| (_, _) => s) |
c2d7e2dff59e
support Vampire definitions of constants as "let" constructs in Isar proofs
blanchet
parents:
36485
diff
changeset
|
414 |
| [s1, s2] => (case Int.fromString s2 of |
c2d7e2dff59e
support Vampire definitions of constants as "let" constructs in Isar proofs
blanchet
parents:
36485
diff
changeset
|
415 |
SOME n => subscript_name s1 n |
c2d7e2dff59e
support Vampire definitions of constants as "let" constructs in Isar proofs
blanchet
parents:
36485
diff
changeset
|
416 |
| NONE => s) |
c2d7e2dff59e
support Vampire definitions of constants as "let" constructs in Isar proofs
blanchet
parents:
36485
diff
changeset
|
417 |
| _ => s |
c2d7e2dff59e
support Vampire definitions of constants as "let" constructs in Isar proofs
blanchet
parents:
36485
diff
changeset
|
418 |
end |
43085
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43062
diff
changeset
|
419 |
|
36909
7d5587f6d5f7
made Sledgehammer's full-typed proof reconstruction work for the first time;
blanchet
parents:
36607
diff
changeset
|
420 |
(* First-order translation. No types are known for variables. "HOLogic.typeT" |
38014 | 421 |
should allow them to be inferred. *) |
43094 | 422 |
fun term_from_atp thy textual sym_tab tfrees = |
36909
7d5587f6d5f7
made Sledgehammer's full-typed proof reconstruction work for the first time;
blanchet
parents:
36607
diff
changeset
|
423 |
let |
43094 | 424 |
(* see also "mk_var" in "Metis_Reconstruct" *) |
425 |
val var_index = if textual then 0 else 1 |
|
43131
9e9420122f91
fixed interaction between type tags and hAPP in reconstruction code
blanchet
parents:
43130
diff
changeset
|
426 |
fun do_term extra_ts opt_T u = |
36909
7d5587f6d5f7
made Sledgehammer's full-typed proof reconstruction work for the first time;
blanchet
parents:
36607
diff
changeset
|
427 |
case u of |
42539
f6ba908b8b27
generate typing for "hBOOL" in "Many_Typed" mode + tuning
blanchet
parents:
42531
diff
changeset
|
428 |
ATerm (a, us) => |
42962
3b50fdeb6cfc
started adding support for THF output (but no lambdas)
blanchet
parents:
42943
diff
changeset
|
429 |
if String.isPrefix simple_type_prefix a then |
3b50fdeb6cfc
started adding support for THF output (but no lambdas)
blanchet
parents:
42943
diff
changeset
|
430 |
@{const True} (* ignore TPTP type information *) |
43000
bd424c3dde46
cleaner handling of equality and proxies (esp. for THF)
blanchet
parents:
42998
diff
changeset
|
431 |
else if a = tptp_equal then |
43093 | 432 |
let val ts = map (do_term [] NONE) us in |
43094 | 433 |
if textual andalso length ts = 2 andalso |
434 |
hd ts aconv List.last ts then |
|
39106 | 435 |
(* Vampire is keen on producing these. *) |
436 |
@{const True} |
|
437 |
else |
|
438 |
list_comb (Const (@{const_name HOL.eq}, HOLogic.typeT), ts) |
|
439 |
end |
|
43000
bd424c3dde46
cleaner handling of equality and proxies (esp. for THF)
blanchet
parents:
42998
diff
changeset
|
440 |
else case strip_prefix_and_unascii const_prefix a of |
bd424c3dde46
cleaner handling of equality and proxies (esp. for THF)
blanchet
parents:
42998
diff
changeset
|
441 |
SOME s => |
42761
8ea9c6fa8b53
fixed several bugs in Isar proof reconstruction, in particular w.r.t. mangled types and hAPP
blanchet
parents:
42759
diff
changeset
|
442 |
let |
8ea9c6fa8b53
fixed several bugs in Isar proof reconstruction, in particular w.r.t. mangled types and hAPP
blanchet
parents:
42759
diff
changeset
|
443 |
val ((s', s), mangled_us) = s |> unmangled_const |>> `invert_const |
8ea9c6fa8b53
fixed several bugs in Isar proof reconstruction, in particular w.r.t. mangled types and hAPP
blanchet
parents:
42759
diff
changeset
|
444 |
in |
42755
4603154a3018
robustly detect how many type args were passed to the ATP, even if some of them were omitted
blanchet
parents:
42751
diff
changeset
|
445 |
if s' = type_tag_name then |
42589
9f7c48463645
restructured type systems some more -- the old naming schemes had "argshg diff |less" and "tagshg diff |less" as equivalent and didn't support a monomorphic version of "tags"
blanchet
parents:
42587
diff
changeset
|
446 |
case mangled_us @ us of |
9f7c48463645
restructured type systems some more -- the old naming schemes had "argshg diff |less" and "tagshg diff |less" as equivalent and didn't support a monomorphic version of "tags"
blanchet
parents:
42587
diff
changeset
|
447 |
[typ_u, term_u] => |
43131
9e9420122f91
fixed interaction between type tags and hAPP in reconstruction code
blanchet
parents:
43130
diff
changeset
|
448 |
do_term extra_ts (SOME (typ_from_atp tfrees typ_u)) term_u |
42589
9f7c48463645
restructured type systems some more -- the old naming schemes had "argshg diff |less" and "tagshg diff |less" as equivalent and didn't support a monomorphic version of "tags"
blanchet
parents:
42587
diff
changeset
|
449 |
| _ => raise FO_TERM us |
42966
4e2d6c1e5392
more work on parsing LEO-II proofs without lambdas
blanchet
parents:
42962
diff
changeset
|
450 |
else if s' = predicator_name then |
43093 | 451 |
do_term [] (SOME @{typ bool}) (hd us) |
42966
4e2d6c1e5392
more work on parsing LEO-II proofs without lambdas
blanchet
parents:
42962
diff
changeset
|
452 |
else if s' = app_op_name then |
43131
9e9420122f91
fixed interaction between type tags and hAPP in reconstruction code
blanchet
parents:
43130
diff
changeset
|
453 |
let val extra_t = do_term [] NONE (List.last us) in |
9e9420122f91
fixed interaction between type tags and hAPP in reconstruction code
blanchet
parents:
43130
diff
changeset
|
454 |
do_term (extra_t :: extra_ts) |
9e9420122f91
fixed interaction between type tags and hAPP in reconstruction code
blanchet
parents:
43130
diff
changeset
|
455 |
(case opt_T of |
9e9420122f91
fixed interaction between type tags and hAPP in reconstruction code
blanchet
parents:
43130
diff
changeset
|
456 |
SOME T => SOME (fastype_of extra_t --> T) |
9e9420122f91
fixed interaction between type tags and hAPP in reconstruction code
blanchet
parents:
43130
diff
changeset
|
457 |
| NONE => NONE) |
9e9420122f91
fixed interaction between type tags and hAPP in reconstruction code
blanchet
parents:
43130
diff
changeset
|
458 |
(nth us (length us - 2)) |
9e9420122f91
fixed interaction between type tags and hAPP in reconstruction code
blanchet
parents:
43130
diff
changeset
|
459 |
end |
42966
4e2d6c1e5392
more work on parsing LEO-II proofs without lambdas
blanchet
parents:
42962
diff
changeset
|
460 |
else if s' = type_pred_name then |
42551
cd99d6d3027a
reconstruct TFF type predicates correctly for ToFoF
blanchet
parents:
42549
diff
changeset
|
461 |
@{const True} (* ignore type predicates *) |
42549
b9754f26c7bc
handle special constants correctly in Isar proof reconstruction code, especially type predicates
blanchet
parents:
42544
diff
changeset
|
462 |
else |
b9754f26c7bc
handle special constants correctly in Isar proof reconstruction code, especially type predicates
blanchet
parents:
42544
diff
changeset
|
463 |
let |
42755
4603154a3018
robustly detect how many type args were passed to the ATP, even if some of them were omitted
blanchet
parents:
42751
diff
changeset
|
464 |
val num_ty_args = |
4603154a3018
robustly detect how many type args were passed to the ATP, even if some of them were omitted
blanchet
parents:
42751
diff
changeset
|
465 |
length us - the_default 0 (Symtab.lookup sym_tab s) |
42549
b9754f26c7bc
handle special constants correctly in Isar proof reconstruction code, especially type predicates
blanchet
parents:
42544
diff
changeset
|
466 |
val (type_us, term_us) = |
b9754f26c7bc
handle special constants correctly in Isar proof reconstruction code, especially type predicates
blanchet
parents:
42544
diff
changeset
|
467 |
chop num_ty_args us |>> append mangled_us |
43093 | 468 |
val term_ts = map (do_term [] NONE) term_us |
42549
b9754f26c7bc
handle special constants correctly in Isar proof reconstruction code, especially type predicates
blanchet
parents:
42544
diff
changeset
|
469 |
val T = |
43085
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43062
diff
changeset
|
470 |
if not (null type_us) andalso |
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43062
diff
changeset
|
471 |
num_type_args thy s' = length type_us then |
43093 | 472 |
(s', map (typ_from_atp tfrees) type_us) |
473 |
|> Sign.const_instance thy |
|
42761
8ea9c6fa8b53
fixed several bugs in Isar proof reconstruction, in particular w.r.t. mangled types and hAPP
blanchet
parents:
42759
diff
changeset
|
474 |
else case opt_T of |
43131
9e9420122f91
fixed interaction between type tags and hAPP in reconstruction code
blanchet
parents:
43130
diff
changeset
|
475 |
SOME T => map fastype_of term_ts ---> T |
42761
8ea9c6fa8b53
fixed several bugs in Isar proof reconstruction, in particular w.r.t. mangled types and hAPP
blanchet
parents:
42759
diff
changeset
|
476 |
| NONE => HOLogic.typeT |
42755
4603154a3018
robustly detect how many type args were passed to the ATP, even if some of them were omitted
blanchet
parents:
42751
diff
changeset
|
477 |
val s' = s' |> unproxify_const |
4603154a3018
robustly detect how many type args were passed to the ATP, even if some of them were omitted
blanchet
parents:
42751
diff
changeset
|
478 |
in list_comb (Const (s', T), term_ts @ extra_ts) end |
42549
b9754f26c7bc
handle special constants correctly in Isar proof reconstruction code, especially type predicates
blanchet
parents:
42544
diff
changeset
|
479 |
end |
36909
7d5587f6d5f7
made Sledgehammer's full-typed proof reconstruction work for the first time;
blanchet
parents:
36607
diff
changeset
|
480 |
| NONE => (* a free or schematic variable *) |
7d5587f6d5f7
made Sledgehammer's full-typed proof reconstruction work for the first time;
blanchet
parents:
36607
diff
changeset
|
481 |
let |
43131
9e9420122f91
fixed interaction between type tags and hAPP in reconstruction code
blanchet
parents:
43130
diff
changeset
|
482 |
val ts = map (do_term [] NONE) us @ extra_ts |
36909
7d5587f6d5f7
made Sledgehammer's full-typed proof reconstruction work for the first time;
blanchet
parents:
36607
diff
changeset
|
483 |
val T = map fastype_of ts ---> HOLogic.typeT |
7d5587f6d5f7
made Sledgehammer's full-typed proof reconstruction work for the first time;
blanchet
parents:
36607
diff
changeset
|
484 |
val t = |
38748 | 485 |
case strip_prefix_and_unascii fixed_var_prefix a of |
36909
7d5587f6d5f7
made Sledgehammer's full-typed proof reconstruction work for the first time;
blanchet
parents:
36607
diff
changeset
|
486 |
SOME b => Free (b, T) |
7d5587f6d5f7
made Sledgehammer's full-typed proof reconstruction work for the first time;
blanchet
parents:
36607
diff
changeset
|
487 |
| NONE => |
38748 | 488 |
case strip_prefix_and_unascii schematic_var_prefix a of |
43094 | 489 |
SOME b => Var ((b, var_index), T) |
36909
7d5587f6d5f7
made Sledgehammer's full-typed proof reconstruction work for the first time;
blanchet
parents:
36607
diff
changeset
|
490 |
| NONE => |
43095 | 491 |
Var ((a |> textual ? repair_variable_name Char.toLower, |
492 |
var_index), T) |
|
36909
7d5587f6d5f7
made Sledgehammer's full-typed proof reconstruction work for the first time;
blanchet
parents:
36607
diff
changeset
|
493 |
in list_comb (t, ts) end |
43093 | 494 |
in do_term [] end |
21978
72c21698a055
Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff
changeset
|
495 |
|
43094 | 496 |
fun term_from_atom thy textual sym_tab tfrees pos (u as ATerm (s, _)) = |
38014 | 497 |
if String.isPrefix class_prefix s then |
42606
0c76cf483899
show sorts not just types in Isar proofs + tuning
blanchet
parents:
42595
diff
changeset
|
498 |
add_type_constraint pos (type_constraint_from_term tfrees u) |
38014 | 499 |
#> pair @{const True} |
500 |
else |
|
43094 | 501 |
pair (term_from_atp thy textual sym_tab tfrees (SOME @{typ bool}) u) |
36402
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
502 |
|
36555
8ff45c2076da
expand combinators in Isar proofs constructed by Sledgehammer;
blanchet
parents:
36551
diff
changeset
|
503 |
val combinator_table = |
39953
aa54f347e5e2
hide uninteresting MESON/Metis constants and facts and remove "meson_" prefix to (now hidden) fact names
blanchet
parents:
39710
diff
changeset
|
504 |
[(@{const_name Meson.COMBI}, @{thm Meson.COMBI_def_raw}), |
aa54f347e5e2
hide uninteresting MESON/Metis constants and facts and remove "meson_" prefix to (now hidden) fact names
blanchet
parents:
39710
diff
changeset
|
505 |
(@{const_name Meson.COMBK}, @{thm Meson.COMBK_def_raw}), |
aa54f347e5e2
hide uninteresting MESON/Metis constants and facts and remove "meson_" prefix to (now hidden) fact names
blanchet
parents:
39710
diff
changeset
|
506 |
(@{const_name Meson.COMBB}, @{thm Meson.COMBB_def_raw}), |
aa54f347e5e2
hide uninteresting MESON/Metis constants and facts and remove "meson_" prefix to (now hidden) fact names
blanchet
parents:
39710
diff
changeset
|
507 |
(@{const_name Meson.COMBC}, @{thm Meson.COMBC_def_raw}), |
aa54f347e5e2
hide uninteresting MESON/Metis constants and facts and remove "meson_" prefix to (now hidden) fact names
blanchet
parents:
39710
diff
changeset
|
508 |
(@{const_name Meson.COMBS}, @{thm Meson.COMBS_def_raw})] |
36555
8ff45c2076da
expand combinators in Isar proofs constructed by Sledgehammer;
blanchet
parents:
36551
diff
changeset
|
509 |
|
42761
8ea9c6fa8b53
fixed several bugs in Isar proof reconstruction, in particular w.r.t. mangled types and hAPP
blanchet
parents:
42759
diff
changeset
|
510 |
fun uncombine_term thy = |
8ea9c6fa8b53
fixed several bugs in Isar proof reconstruction, in particular w.r.t. mangled types and hAPP
blanchet
parents:
42759
diff
changeset
|
511 |
let |
8ea9c6fa8b53
fixed several bugs in Isar proof reconstruction, in particular w.r.t. mangled types and hAPP
blanchet
parents:
42759
diff
changeset
|
512 |
fun aux (t1 $ t2) = betapply (pairself aux (t1, t2)) |
8ea9c6fa8b53
fixed several bugs in Isar proof reconstruction, in particular w.r.t. mangled types and hAPP
blanchet
parents:
42759
diff
changeset
|
513 |
| aux (Abs (s, T, t')) = Abs (s, T, aux t') |
8ea9c6fa8b53
fixed several bugs in Isar proof reconstruction, in particular w.r.t. mangled types and hAPP
blanchet
parents:
42759
diff
changeset
|
514 |
| aux (t as Const (x as (s, _))) = |
8ea9c6fa8b53
fixed several bugs in Isar proof reconstruction, in particular w.r.t. mangled types and hAPP
blanchet
parents:
42759
diff
changeset
|
515 |
(case AList.lookup (op =) combinator_table s of |
8ea9c6fa8b53
fixed several bugs in Isar proof reconstruction, in particular w.r.t. mangled types and hAPP
blanchet
parents:
42759
diff
changeset
|
516 |
SOME thm => thm |> prop_of |> specialize_type thy x |
8ea9c6fa8b53
fixed several bugs in Isar proof reconstruction, in particular w.r.t. mangled types and hAPP
blanchet
parents:
42759
diff
changeset
|
517 |
|> Logic.dest_equals |> snd |
8ea9c6fa8b53
fixed several bugs in Isar proof reconstruction, in particular w.r.t. mangled types and hAPP
blanchet
parents:
42759
diff
changeset
|
518 |
| NONE => t) |
8ea9c6fa8b53
fixed several bugs in Isar proof reconstruction, in particular w.r.t. mangled types and hAPP
blanchet
parents:
42759
diff
changeset
|
519 |
| aux t = t |
8ea9c6fa8b53
fixed several bugs in Isar proof reconstruction, in particular w.r.t. mangled types and hAPP
blanchet
parents:
42759
diff
changeset
|
520 |
in aux end |
36555
8ff45c2076da
expand combinators in Isar proofs constructed by Sledgehammer;
blanchet
parents:
36551
diff
changeset
|
521 |
|
37991 | 522 |
(* Update schematic type variables with detected sort constraints. It's not |
42563 | 523 |
totally clear whether this code is necessary. *) |
38014 | 524 |
fun repair_tvar_sorts (t, tvar_tab) = |
36909
7d5587f6d5f7
made Sledgehammer's full-typed proof reconstruction work for the first time;
blanchet
parents:
36607
diff
changeset
|
525 |
let |
37991 | 526 |
fun do_type (Type (a, Ts)) = Type (a, map do_type Ts) |
527 |
| do_type (TVar (xi, s)) = |
|
528 |
TVar (xi, the_default s (Vartab.lookup tvar_tab xi)) |
|
529 |
| do_type (TFree z) = TFree z |
|
530 |
fun do_term (Const (a, T)) = Const (a, do_type T) |
|
531 |
| do_term (Free (a, T)) = Free (a, do_type T) |
|
532 |
| do_term (Var (xi, T)) = Var (xi, do_type T) |
|
533 |
| do_term (t as Bound _) = t |
|
534 |
| do_term (Abs (a, T, t)) = Abs (a, do_type T, do_term t) |
|
535 |
| do_term (t1 $ t2) = do_term t1 $ do_term t2 |
|
536 |
in t |> not (Vartab.is_empty tvar_tab) ? do_term end |
|
537 |
||
39425 | 538 |
fun quantify_over_var quant_of var_s t = |
539 |
let |
|
540 |
val vars = [] |> Term.add_vars t |> filter (fn ((s, _), _) => s = var_s) |
|
541 |
|> map Var |
|
542 |
in fold_rev quant_of vars t end |
|
37991 | 543 |
|
38085
cc44e887246c
avoid "clause" and "cnf" terminology where it no longer makes sense
blanchet
parents:
38066
diff
changeset
|
544 |
(* Interpret an ATP formula as a HOL term, extracting sort constraints as they |
cc44e887246c
avoid "clause" and "cnf" terminology where it no longer makes sense
blanchet
parents:
38066
diff
changeset
|
545 |
appear in the formula. *) |
43127 | 546 |
fun prop_from_atp thy textual sym_tab tfrees phi = |
38014 | 547 |
let |
548 |
fun do_formula pos phi = |
|
37991 | 549 |
case phi of |
38014 | 550 |
AQuant (_, [], phi) => do_formula pos phi |
42526 | 551 |
| AQuant (q, (s, _) :: xs, phi') => |
38014 | 552 |
do_formula pos (AQuant (q, xs, phi')) |
42526 | 553 |
(* FIXME: TFF *) |
39425 | 554 |
#>> quantify_over_var (case q of |
555 |
AForall => forall_of |
|
556 |
| AExists => exists_of) |
|
43095 | 557 |
(s |> textual ? repair_variable_name Char.toLower) |
38014 | 558 |
| AConn (ANot, [phi']) => do_formula (not pos) phi' #>> s_not |
37991 | 559 |
| AConn (c, [phi1, phi2]) => |
38014 | 560 |
do_formula (pos |> c = AImplies ? not) phi1 |
561 |
##>> do_formula pos phi2 |
|
562 |
#>> (case c of |
|
563 |
AAnd => s_conj |
|
564 |
| AOr => s_disj |
|
565 |
| AImplies => s_imp |
|
38038 | 566 |
| AIf => s_imp o swap |
567 |
| AIff => s_iff |
|
40069 | 568 |
| ANotIff => s_not o s_iff |
569 |
| _ => raise Fail "unexpected connective") |
|
43094 | 570 |
| AAtom tm => term_from_atom thy textual sym_tab tfrees pos tm |
37991 | 571 |
| _ => raise FORMULA [phi] |
38014 | 572 |
in repair_tvar_sorts (do_formula true phi Vartab.empty) end |
37991 | 573 |
|
43131
9e9420122f91
fixed interaction between type tags and hAPP in reconstruction code
blanchet
parents:
43130
diff
changeset
|
574 |
fun infer_formula_types ctxt = |
39288 | 575 |
Type.constraint HOLogic.boolT |
42761
8ea9c6fa8b53
fixed several bugs in Isar proof reconstruction, in particular w.r.t. mangled types and hAPP
blanchet
parents:
42759
diff
changeset
|
576 |
#> Syntax.check_term |
8ea9c6fa8b53
fixed several bugs in Isar proof reconstruction, in particular w.r.t. mangled types and hAPP
blanchet
parents:
42759
diff
changeset
|
577 |
(Proof_Context.set_mode Proof_Context.mode_schematic ctxt) |
21978
72c21698a055
Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff
changeset
|
578 |
|
43093 | 579 |
(**** Translation of TSTP files to Isar proofs ****) |
21978
72c21698a055
Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff
changeset
|
580 |
|
36486
c2d7e2dff59e
support Vampire definitions of constants as "let" constructs in Isar proofs
blanchet
parents:
36485
diff
changeset
|
581 |
fun unvarify_term (Var ((s, 0), T)) = Free (s, T) |
c2d7e2dff59e
support Vampire definitions of constants as "let" constructs in Isar proofs
blanchet
parents:
36485
diff
changeset
|
582 |
| unvarify_term t = raise TERM ("unvarify_term: non-Var", [t]) |
21978
72c21698a055
Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff
changeset
|
583 |
|
42755
4603154a3018
robustly detect how many type args were passed to the ATP, even if some of them were omitted
blanchet
parents:
42751
diff
changeset
|
584 |
fun decode_line sym_tab tfrees (Definition (name, phi1, phi2)) ctxt = |
36486
c2d7e2dff59e
support Vampire definitions of constants as "let" constructs in Isar proofs
blanchet
parents:
36485
diff
changeset
|
585 |
let |
42361 | 586 |
val thy = Proof_Context.theory_of ctxt |
43127 | 587 |
val t1 = prop_from_atp thy true sym_tab tfrees phi1 |
36551 | 588 |
val vars = snd (strip_comb t1) |
36486
c2d7e2dff59e
support Vampire definitions of constants as "let" constructs in Isar proofs
blanchet
parents:
36485
diff
changeset
|
589 |
val frees = map unvarify_term vars |
c2d7e2dff59e
support Vampire definitions of constants as "let" constructs in Isar proofs
blanchet
parents:
36485
diff
changeset
|
590 |
val unvarify_args = subst_atomic (vars ~~ frees) |
43127 | 591 |
val t2 = prop_from_atp thy true sym_tab tfrees phi2 |
36551 | 592 |
val (t1, t2) = |
593 |
HOLogic.eq_const HOLogic.typeT $ t1 $ t2 |
|
43131
9e9420122f91
fixed interaction between type tags and hAPP in reconstruction code
blanchet
parents:
43130
diff
changeset
|
594 |
|> unvarify_args |> uncombine_term thy |> infer_formula_types ctxt |
36555
8ff45c2076da
expand combinators in Isar proofs constructed by Sledgehammer;
blanchet
parents:
36551
diff
changeset
|
595 |
|> HOLogic.dest_eq |
36486
c2d7e2dff59e
support Vampire definitions of constants as "let" constructs in Isar proofs
blanchet
parents:
36485
diff
changeset
|
596 |
in |
39368 | 597 |
(Definition (name, t1, t2), |
36551 | 598 |
fold Variable.declare_term (maps OldTerm.term_frees [t1, t2]) ctxt) |
36486
c2d7e2dff59e
support Vampire definitions of constants as "let" constructs in Isar proofs
blanchet
parents:
36485
diff
changeset
|
599 |
end |
42755
4603154a3018
robustly detect how many type args were passed to the ATP, even if some of them were omitted
blanchet
parents:
42751
diff
changeset
|
600 |
| decode_line sym_tab tfrees (Inference (name, u, deps)) ctxt = |
36551 | 601 |
let |
42361 | 602 |
val thy = Proof_Context.theory_of ctxt |
43127 | 603 |
val t = u |> prop_from_atp thy true sym_tab tfrees |
43131
9e9420122f91
fixed interaction between type tags and hAPP in reconstruction code
blanchet
parents:
43130
diff
changeset
|
604 |
|> uncombine_term thy |> infer_formula_types ctxt |
36551 | 605 |
in |
39368 | 606 |
(Inference (name, t, deps), |
36551 | 607 |
fold Variable.declare_term (OldTerm.term_frees t) ctxt) |
36486
c2d7e2dff59e
support Vampire definitions of constants as "let" constructs in Isar proofs
blanchet
parents:
36485
diff
changeset
|
608 |
end |
42755
4603154a3018
robustly detect how many type args were passed to the ATP, even if some of them were omitted
blanchet
parents:
42751
diff
changeset
|
609 |
fun decode_lines ctxt sym_tab tfrees lines = |
4603154a3018
robustly detect how many type args were passed to the ATP, even if some of them were omitted
blanchet
parents:
42751
diff
changeset
|
610 |
fst (fold_map (decode_line sym_tab tfrees) lines ctxt) |
21978
72c21698a055
Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff
changeset
|
611 |
|
38035 | 612 |
fun is_same_inference _ (Definition _) = false |
613 |
| is_same_inference t (Inference (_, t', _)) = t aconv t' |
|
36486
c2d7e2dff59e
support Vampire definitions of constants as "let" constructs in Isar proofs
blanchet
parents:
36485
diff
changeset
|
614 |
|
c2d7e2dff59e
support Vampire definitions of constants as "let" constructs in Isar proofs
blanchet
parents:
36485
diff
changeset
|
615 |
(* No "real" literals means only type information (tfree_tcs, clsrel, or |
c2d7e2dff59e
support Vampire definitions of constants as "let" constructs in Isar proofs
blanchet
parents:
36485
diff
changeset
|
616 |
clsarity). *) |
c2d7e2dff59e
support Vampire definitions of constants as "let" constructs in Isar proofs
blanchet
parents:
36485
diff
changeset
|
617 |
val is_only_type_information = curry (op aconv) HOLogic.true_const |
c2d7e2dff59e
support Vampire definitions of constants as "let" constructs in Isar proofs
blanchet
parents:
36485
diff
changeset
|
618 |
|
39373 | 619 |
fun replace_one_dependency (old, new) dep = |
42968
74415622d293
more work on parsing LEO-II proofs and extracting uses of extensionality
blanchet
parents:
42966
diff
changeset
|
620 |
if is_same_atp_step dep old then new else [dep] |
39373 | 621 |
fun replace_dependencies_in_line _ (line as Definition _) = line |
622 |
| replace_dependencies_in_line p (Inference (name, t, deps)) = |
|
623 |
Inference (name, t, fold (union (op =) o replace_one_dependency p) deps []) |
|
21978
72c21698a055
Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff
changeset
|
624 |
|
40204
da97d75e20e6
standardize on "fact" terminology (vs. "axiom" or "theorem") in Sledgehammer -- but keep "Axiom" in the lower-level "ATP_Problem" module
blanchet
parents:
40114
diff
changeset
|
625 |
(* Discard facts; consolidate adjacent lines that prove the same formula, since |
38085
cc44e887246c
avoid "clause" and "cnf" terminology where it no longer makes sense
blanchet
parents:
38066
diff
changeset
|
626 |
they differ only in type information.*) |
42647
59142dbfa3ba
no need to generate fact numbers for polymorphic type systems -- this confuses the TPTP exporter
blanchet
parents:
42613
diff
changeset
|
627 |
fun add_line _ _ _ (line as Definition _) lines = line :: lines |
59142dbfa3ba
no need to generate fact numbers for polymorphic type systems -- this confuses the TPTP exporter
blanchet
parents:
42613
diff
changeset
|
628 |
| add_line type_sys conjecture_shape fact_names (Inference (name, t, [])) |
59142dbfa3ba
no need to generate fact numbers for polymorphic type systems -- this confuses the TPTP exporter
blanchet
parents:
42613
diff
changeset
|
629 |
lines = |
40204
da97d75e20e6
standardize on "fact" terminology (vs. "axiom" or "theorem") in Sledgehammer -- but keep "Axiom" in the lower-level "ATP_Problem" module
blanchet
parents:
40114
diff
changeset
|
630 |
(* No dependencies: fact, conjecture, or (for Vampire) internal facts or |
38085
cc44e887246c
avoid "clause" and "cnf" terminology where it no longer makes sense
blanchet
parents:
38066
diff
changeset
|
631 |
definitions. *) |
42647
59142dbfa3ba
no need to generate fact numbers for polymorphic type systems -- this confuses the TPTP exporter
blanchet
parents:
42613
diff
changeset
|
632 |
if is_fact type_sys fact_names name then |
40204
da97d75e20e6
standardize on "fact" terminology (vs. "axiom" or "theorem") in Sledgehammer -- but keep "Axiom" in the lower-level "ATP_Problem" module
blanchet
parents:
40114
diff
changeset
|
633 |
(* Facts are not proof lines. *) |
36486
c2d7e2dff59e
support Vampire definitions of constants as "let" constructs in Isar proofs
blanchet
parents:
36485
diff
changeset
|
634 |
if is_only_type_information t then |
39373 | 635 |
map (replace_dependencies_in_line (name, [])) lines |
36486
c2d7e2dff59e
support Vampire definitions of constants as "let" constructs in Isar proofs
blanchet
parents:
36485
diff
changeset
|
636 |
(* Is there a repetition? If so, replace later line by earlier one. *) |
38035 | 637 |
else case take_prefix (not o is_same_inference t) lines of |
39373 | 638 |
(_, []) => lines (* no repetition of proof line *) |
39368 | 639 |
| (pre, Inference (name', _, _) :: post) => |
39373 | 640 |
pre @ map (replace_dependencies_in_line (name', [name])) post |
40069 | 641 |
| _ => raise Fail "unexpected inference" |
39370
f8292d3020db
use same hack as in "Async_Manager" to work around Proof General bug
blanchet
parents:
39368
diff
changeset
|
642 |
else if is_conjecture conjecture_shape name then |
42606
0c76cf483899
show sorts not just types in Isar proofs + tuning
blanchet
parents:
42595
diff
changeset
|
643 |
Inference (name, s_not t, []) :: lines |
36551 | 644 |
else |
39373 | 645 |
map (replace_dependencies_in_line (name, [])) lines |
42647
59142dbfa3ba
no need to generate fact numbers for polymorphic type systems -- this confuses the TPTP exporter
blanchet
parents:
42613
diff
changeset
|
646 |
| add_line _ _ _ (Inference (name, t, deps)) lines = |
36486
c2d7e2dff59e
support Vampire definitions of constants as "let" constructs in Isar proofs
blanchet
parents:
36485
diff
changeset
|
647 |
(* Type information will be deleted later; skip repetition test. *) |
c2d7e2dff59e
support Vampire definitions of constants as "let" constructs in Isar proofs
blanchet
parents:
36485
diff
changeset
|
648 |
if is_only_type_information t then |
39368 | 649 |
Inference (name, t, deps) :: lines |
36486
c2d7e2dff59e
support Vampire definitions of constants as "let" constructs in Isar proofs
blanchet
parents:
36485
diff
changeset
|
650 |
(* Is there a repetition? If so, replace later line by earlier one. *) |
38035 | 651 |
else case take_prefix (not o is_same_inference t) lines of |
36486
c2d7e2dff59e
support Vampire definitions of constants as "let" constructs in Isar proofs
blanchet
parents:
36485
diff
changeset
|
652 |
(* FIXME: Doesn't this code risk conflating proofs involving different |
38035 | 653 |
types? *) |
39368 | 654 |
(_, []) => Inference (name, t, deps) :: lines |
655 |
| (pre, Inference (name', t', _) :: post) => |
|
656 |
Inference (name, t', deps) :: |
|
39373 | 657 |
pre @ map (replace_dependencies_in_line (name', [name])) post |
40069 | 658 |
| _ => raise Fail "unexpected inference" |
22044
6c0702a96076
More compact proof reconstruction: lines having fewer than !min_deps dependences are folded
paulson
parents:
22012
diff
changeset
|
659 |
|
36486
c2d7e2dff59e
support Vampire definitions of constants as "let" constructs in Isar proofs
blanchet
parents:
36485
diff
changeset
|
660 |
(* Recursively delete empty lines (type information) from the proof. *) |
39368 | 661 |
fun add_nontrivial_line (Inference (name, t, [])) lines = |
39373 | 662 |
if is_only_type_information t then delete_dependency name lines |
39368 | 663 |
else Inference (name, t, []) :: lines |
36486
c2d7e2dff59e
support Vampire definitions of constants as "let" constructs in Isar proofs
blanchet
parents:
36485
diff
changeset
|
664 |
| add_nontrivial_line line lines = line :: lines |
39373 | 665 |
and delete_dependency name lines = |
666 |
fold_rev add_nontrivial_line |
|
667 |
(map (replace_dependencies_in_line (name, [])) lines) [] |
|
36486
c2d7e2dff59e
support Vampire definitions of constants as "let" constructs in Isar proofs
blanchet
parents:
36485
diff
changeset
|
668 |
|
37323 | 669 |
(* ATPs sometimes reuse free variable names in the strangest ways. Removing |
670 |
offending lines often does the trick. *) |
|
36560
45c1870f234f
fixed definition of "bad frees" so that it actually works
blanchet
parents:
36559
diff
changeset
|
671 |
fun is_bad_free frees (Free x) = not (member (op =) frees x) |
45c1870f234f
fixed definition of "bad frees" so that it actually works
blanchet
parents:
36559
diff
changeset
|
672 |
| is_bad_free _ _ = false |
22470
0d52e5157124
No label on "show"; tries to remove dependencies more cleanly
paulson
parents:
22428
diff
changeset
|
673 |
|
42647
59142dbfa3ba
no need to generate fact numbers for polymorphic type systems -- this confuses the TPTP exporter
blanchet
parents:
42613
diff
changeset
|
674 |
fun add_desired_line _ _ _ _ _ (line as Definition (name, _, _)) (j, lines) = |
39373 | 675 |
(j, line :: map (replace_dependencies_in_line (name, [])) lines) |
42647
59142dbfa3ba
no need to generate fact numbers for polymorphic type systems -- this confuses the TPTP exporter
blanchet
parents:
42613
diff
changeset
|
676 |
| add_desired_line type_sys isar_shrink_factor conjecture_shape fact_names |
59142dbfa3ba
no need to generate fact numbers for polymorphic type systems -- this confuses the TPTP exporter
blanchet
parents:
42613
diff
changeset
|
677 |
frees (Inference (name, t, deps)) (j, lines) = |
36402
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
678 |
(j + 1, |
42647
59142dbfa3ba
no need to generate fact numbers for polymorphic type systems -- this confuses the TPTP exporter
blanchet
parents:
42613
diff
changeset
|
679 |
if is_fact type_sys fact_names name orelse |
39370
f8292d3020db
use same hack as in "Async_Manager" to work around Proof General bug
blanchet
parents:
39368
diff
changeset
|
680 |
is_conjecture conjecture_shape name orelse |
39373 | 681 |
(* the last line must be kept *) |
682 |
j = 0 orelse |
|
36570
9bebcb40599f
identify axioms/conjectures more reliably in ATP proofs (an empty dependency list doesn't always indicate an axiom or conjecture!)
blanchet
parents:
36567
diff
changeset
|
683 |
(not (is_only_type_information t) andalso |
9bebcb40599f
identify axioms/conjectures more reliably in ATP proofs (an empty dependency list doesn't always indicate an axiom or conjecture!)
blanchet
parents:
36567
diff
changeset
|
684 |
null (Term.add_tvars t []) andalso |
9bebcb40599f
identify axioms/conjectures more reliably in ATP proofs (an empty dependency list doesn't always indicate an axiom or conjecture!)
blanchet
parents:
36567
diff
changeset
|
685 |
not (exists_subterm (is_bad_free frees) t) andalso |
39373 | 686 |
length deps >= 2 andalso j mod isar_shrink_factor = 0 andalso |
687 |
(* kill next to last line, which usually results in a trivial step *) |
|
688 |
j <> 1) then |
|
39368 | 689 |
Inference (name, t, deps) :: lines (* keep line *) |
36402
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
690 |
else |
39373 | 691 |
map (replace_dependencies_in_line (name, deps)) lines) (* drop line *) |
21978
72c21698a055
Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff
changeset
|
692 |
|
36486
c2d7e2dff59e
support Vampire definitions of constants as "let" constructs in Isar proofs
blanchet
parents:
36485
diff
changeset
|
693 |
(** Isar proof construction and manipulation **) |
c2d7e2dff59e
support Vampire definitions of constants as "let" constructs in Isar proofs
blanchet
parents:
36485
diff
changeset
|
694 |
|
c2d7e2dff59e
support Vampire definitions of constants as "let" constructs in Isar proofs
blanchet
parents:
36485
diff
changeset
|
695 |
fun merge_fact_sets (ls1, ss1) (ls2, ss2) = |
c2d7e2dff59e
support Vampire definitions of constants as "let" constructs in Isar proofs
blanchet
parents:
36485
diff
changeset
|
696 |
(union (op =) ls1 ls2, union (op =) ss1 ss2) |
36402
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
697 |
|
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
698 |
type label = string * int |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
699 |
type facts = label list * string list |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
700 |
|
39452 | 701 |
datatype isar_qualifier = Show | Then | Moreover | Ultimately |
36291
b4c2043cc96c
added Isar proof reconstruction support for SPASS -- which means all provers can now yield Isar proofs;
blanchet
parents:
36288
diff
changeset
|
702 |
|
39452 | 703 |
datatype isar_step = |
36478
1aba777a367f
fix types of "fix" variables to help proof reconstruction and aid readability
blanchet
parents:
36477
diff
changeset
|
704 |
Fix of (string * typ) list | |
36486
c2d7e2dff59e
support Vampire definitions of constants as "let" constructs in Isar proofs
blanchet
parents:
36485
diff
changeset
|
705 |
Let of term * term | |
36402
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
706 |
Assume of label * term | |
39452 | 707 |
Have of isar_qualifier list * label * term * byline |
36402
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
708 |
and byline = |
36564
96f767f546e7
be more discriminate: some one-line Isar proofs are silly
blanchet
parents:
36563
diff
changeset
|
709 |
ByMetis of facts | |
39452 | 710 |
CaseSplit of isar_step list list * facts |
36402
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
711 |
|
36574 | 712 |
fun smart_case_split [] facts = ByMetis facts |
713 |
| smart_case_split proofs facts = CaseSplit (proofs, facts) |
|
714 |
||
42647
59142dbfa3ba
no need to generate fact numbers for polymorphic type systems -- this confuses the TPTP exporter
blanchet
parents:
42613
diff
changeset
|
715 |
fun add_fact_from_dependency type_sys conjecture_shape facts_offset fact_names |
59142dbfa3ba
no need to generate fact numbers for polymorphic type systems -- this confuses the TPTP exporter
blanchet
parents:
42613
diff
changeset
|
716 |
name = |
59142dbfa3ba
no need to generate fact numbers for polymorphic type systems -- this confuses the TPTP exporter
blanchet
parents:
42613
diff
changeset
|
717 |
if is_fact type_sys fact_names name then |
59142dbfa3ba
no need to generate fact numbers for polymorphic type systems -- this confuses the TPTP exporter
blanchet
parents:
42613
diff
changeset
|
718 |
apsnd (union (op =) |
59142dbfa3ba
no need to generate fact numbers for polymorphic type systems -- this confuses the TPTP exporter
blanchet
parents:
42613
diff
changeset
|
719 |
(map fst (resolve_fact type_sys facts_offset fact_names name))) |
36475
05209b869a6b
new Isar proof construction code: stringfy axiom names correctly
blanchet
parents:
36474
diff
changeset
|
720 |
else |
39370
f8292d3020db
use same hack as in "Async_Manager" to work around Proof General bug
blanchet
parents:
39368
diff
changeset
|
721 |
apfst (insert (op =) (raw_label_for_name conjecture_shape name)) |
36402
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
722 |
|
42647
59142dbfa3ba
no need to generate fact numbers for polymorphic type systems -- this confuses the TPTP exporter
blanchet
parents:
42613
diff
changeset
|
723 |
fun step_for_line _ _ _ _ _ (Definition (_, t1, t2)) = Let (t1, t2) |
59142dbfa3ba
no need to generate fact numbers for polymorphic type systems -- this confuses the TPTP exporter
blanchet
parents:
42613
diff
changeset
|
724 |
| step_for_line _ conjecture_shape _ _ _ (Inference (name, t, [])) = |
39370
f8292d3020db
use same hack as in "Async_Manager" to work around Proof General bug
blanchet
parents:
39368
diff
changeset
|
725 |
Assume (raw_label_for_name conjecture_shape name, t) |
42647
59142dbfa3ba
no need to generate fact numbers for polymorphic type systems -- this confuses the TPTP exporter
blanchet
parents:
42613
diff
changeset
|
726 |
| step_for_line type_sys conjecture_shape facts_offset |
59142dbfa3ba
no need to generate fact numbers for polymorphic type systems -- this confuses the TPTP exporter
blanchet
parents:
42613
diff
changeset
|
727 |
fact_names j (Inference (name, t, deps)) = |
39370
f8292d3020db
use same hack as in "Async_Manager" to work around Proof General bug
blanchet
parents:
39368
diff
changeset
|
728 |
Have (if j = 1 then [Show] else [], |
39425 | 729 |
raw_label_for_name conjecture_shape name, |
730 |
fold_rev forall_of (map Var (Term.add_vars t [])) t, |
|
42647
59142dbfa3ba
no need to generate fact numbers for polymorphic type systems -- this confuses the TPTP exporter
blanchet
parents:
42613
diff
changeset
|
731 |
ByMetis (fold (add_fact_from_dependency type_sys conjecture_shape |
59142dbfa3ba
no need to generate fact numbers for polymorphic type systems -- this confuses the TPTP exporter
blanchet
parents:
42613
diff
changeset
|
732 |
facts_offset fact_names) |
39373 | 733 |
deps ([], []))) |
36291
b4c2043cc96c
added Isar proof reconstruction support for SPASS -- which means all provers can now yield Isar proofs;
blanchet
parents:
36288
diff
changeset
|
734 |
|
39454 | 735 |
fun repair_name "$true" = "c_True" |
736 |
| repair_name "$false" = "c_False" |
|
43000
bd424c3dde46
cleaner handling of equality and proxies (esp. for THF)
blanchet
parents:
42998
diff
changeset
|
737 |
| repair_name "$$e" = tptp_equal (* seen in Vampire proofs *) |
39454 | 738 |
| repair_name s = |
43000
bd424c3dde46
cleaner handling of equality and proxies (esp. for THF)
blanchet
parents:
42998
diff
changeset
|
739 |
if is_tptp_equal s orelse |
bd424c3dde46
cleaner handling of equality and proxies (esp. for THF)
blanchet
parents:
42998
diff
changeset
|
740 |
(* seen in Vampire proofs *) |
bd424c3dde46
cleaner handling of equality and proxies (esp. for THF)
blanchet
parents:
42998
diff
changeset
|
741 |
(String.isPrefix "sQ" s andalso String.isSuffix "_eqProxy" s) then |
bd424c3dde46
cleaner handling of equality and proxies (esp. for THF)
blanchet
parents:
42998
diff
changeset
|
742 |
tptp_equal |
39454 | 743 |
else |
744 |
s |
|
745 |
||
42449
494e4ac5b0f8
detect some unsound proofs before showing them to the user
blanchet
parents:
42361
diff
changeset
|
746 |
fun isar_proof_from_atp_proof pool ctxt type_sys tfrees isar_shrink_factor |
43033 | 747 |
conjecture_shape facts_offset fact_names sym_tab params frees |
748 |
atp_proof = |
|
36402
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
749 |
let |
36486
c2d7e2dff59e
support Vampire definitions of constants as "let" constructs in Isar proofs
blanchet
parents:
36485
diff
changeset
|
750 |
val lines = |
42449
494e4ac5b0f8
detect some unsound proofs before showing them to the user
blanchet
parents:
42361
diff
changeset
|
751 |
atp_proof |
42968
74415622d293
more work on parsing LEO-II proofs and extracting uses of extensionality
blanchet
parents:
42966
diff
changeset
|
752 |
|> clean_up_atp_proof_dependencies |
39454 | 753 |
|> nasty_atp_proof pool |
754 |
|> map_term_names_in_atp_proof repair_name |
|
42755
4603154a3018
robustly detect how many type args were passed to the ATP, even if some of them were omitted
blanchet
parents:
42751
diff
changeset
|
755 |
|> decode_lines ctxt sym_tab tfrees |
42647
59142dbfa3ba
no need to generate fact numbers for polymorphic type systems -- this confuses the TPTP exporter
blanchet
parents:
42613
diff
changeset
|
756 |
|> rpair [] |-> fold_rev (add_line type_sys conjecture_shape fact_names) |
36486
c2d7e2dff59e
support Vampire definitions of constants as "let" constructs in Isar proofs
blanchet
parents:
36485
diff
changeset
|
757 |
|> rpair [] |-> fold_rev add_nontrivial_line |
42647
59142dbfa3ba
no need to generate fact numbers for polymorphic type systems -- this confuses the TPTP exporter
blanchet
parents:
42613
diff
changeset
|
758 |
|> rpair (0, []) |
59142dbfa3ba
no need to generate fact numbers for polymorphic type systems -- this confuses the TPTP exporter
blanchet
parents:
42613
diff
changeset
|
759 |
|-> fold_rev (add_desired_line type_sys isar_shrink_factor |
59142dbfa3ba
no need to generate fact numbers for polymorphic type systems -- this confuses the TPTP exporter
blanchet
parents:
42613
diff
changeset
|
760 |
conjecture_shape fact_names frees) |
36486
c2d7e2dff59e
support Vampire definitions of constants as "let" constructs in Isar proofs
blanchet
parents:
36485
diff
changeset
|
761 |
|> snd |
36402
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
762 |
in |
36909
7d5587f6d5f7
made Sledgehammer's full-typed proof reconstruction work for the first time;
blanchet
parents:
36607
diff
changeset
|
763 |
(if null params then [] else [Fix params]) @ |
42647
59142dbfa3ba
no need to generate fact numbers for polymorphic type systems -- this confuses the TPTP exporter
blanchet
parents:
42613
diff
changeset
|
764 |
map2 (step_for_line type_sys conjecture_shape facts_offset fact_names) |
42541
8938507b2054
move type declarations to the front, for TFF-compliance
blanchet
parents:
42539
diff
changeset
|
765 |
(length lines downto 1) lines |
36402
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
766 |
end |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
767 |
|
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
768 |
(* When redirecting proofs, we keep information about the labels seen so far in |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
769 |
the "backpatches" data structure. The first component indicates which facts |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
770 |
should be associated with forthcoming proof steps. The second component is a |
37322
0347b1a16682
fix bug in direct Isar proofs, which was exhibited by the "BigO" example
blanchet
parents:
37319
diff
changeset
|
771 |
pair ("assum_ls", "drop_ls"), where "assum_ls" are the labels that should |
0347b1a16682
fix bug in direct Isar proofs, which was exhibited by the "BigO" example
blanchet
parents:
37319
diff
changeset
|
772 |
become assumptions and "drop_ls" are the labels that should be dropped in a |
0347b1a16682
fix bug in direct Isar proofs, which was exhibited by the "BigO" example
blanchet
parents:
37319
diff
changeset
|
773 |
case split. *) |
36402
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
774 |
type backpatches = (label * facts) list * (label list * label list) |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
775 |
|
36556
81dc2c20f052
use readable names in "debug" mode for type vars + don't pipe facts using "using" but rather give them directly to metis (works better with type variables)
blanchet
parents:
36555
diff
changeset
|
776 |
fun used_labels_of_step (Have (_, _, _, by)) = |
36402
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
777 |
(case by of |
36564
96f767f546e7
be more discriminate: some one-line Isar proofs are silly
blanchet
parents:
36563
diff
changeset
|
778 |
ByMetis (ls, _) => ls |
36556
81dc2c20f052
use readable names in "debug" mode for type vars + don't pipe facts using "using" but rather give them directly to metis (works better with type variables)
blanchet
parents:
36555
diff
changeset
|
779 |
| CaseSplit (proofs, (ls, _)) => |
81dc2c20f052
use readable names in "debug" mode for type vars + don't pipe facts using "using" but rather give them directly to metis (works better with type variables)
blanchet
parents:
36555
diff
changeset
|
780 |
fold (union (op =) o used_labels_of) proofs ls) |
81dc2c20f052
use readable names in "debug" mode for type vars + don't pipe facts using "using" but rather give them directly to metis (works better with type variables)
blanchet
parents:
36555
diff
changeset
|
781 |
| used_labels_of_step _ = [] |
81dc2c20f052
use readable names in "debug" mode for type vars + don't pipe facts using "using" but rather give them directly to metis (works better with type variables)
blanchet
parents:
36555
diff
changeset
|
782 |
and used_labels_of proof = fold (union (op =) o used_labels_of_step) proof [] |
36402
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
783 |
|
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
784 |
fun new_labels_of_step (Fix _) = [] |
36486
c2d7e2dff59e
support Vampire definitions of constants as "let" constructs in Isar proofs
blanchet
parents:
36485
diff
changeset
|
785 |
| new_labels_of_step (Let _) = [] |
36402
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
786 |
| new_labels_of_step (Assume (l, _)) = [l] |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
787 |
| new_labels_of_step (Have (_, l, _, _)) = [l] |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
788 |
val new_labels_of = maps new_labels_of_step |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
789 |
|
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
790 |
val join_proofs = |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
791 |
let |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
792 |
fun aux _ [] = NONE |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
793 |
| aux proof_tail (proofs as (proof1 :: _)) = |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
794 |
if exists null proofs then |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
795 |
NONE |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
796 |
else if forall (curry (op =) (hd proof1) o hd) (tl proofs) then |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
797 |
aux (hd proof1 :: proof_tail) (map tl proofs) |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
798 |
else case hd proof1 of |
37498
b426cbdb5a23
removed Sledgehammer's support for the DFG syntax;
blanchet
parents:
37479
diff
changeset
|
799 |
Have ([], l, t, _) => (* FIXME: should we really ignore the "by"? *) |
36402
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
800 |
if forall (fn Have ([], l', t', _) :: _ => (l, t) = (l', t') |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
801 |
| _ => false) (tl proofs) andalso |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
802 |
not (exists (member (op =) (maps new_labels_of proofs)) |
36556
81dc2c20f052
use readable names in "debug" mode for type vars + don't pipe facts using "using" but rather give them directly to metis (works better with type variables)
blanchet
parents:
36555
diff
changeset
|
803 |
(used_labels_of proof_tail)) then |
36402
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
804 |
SOME (l, t, map rev proofs, proof_tail) |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
805 |
else |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
806 |
NONE |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
807 |
| _ => NONE |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
808 |
in aux [] o map rev end |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
809 |
|
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
810 |
fun case_split_qualifiers proofs = |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
811 |
case length proofs of |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
812 |
0 => [] |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
813 |
| 1 => [Then] |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
814 |
| _ => [Ultimately] |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
815 |
|
39372
2fd8a9a7080d
first step in generalizing to nonnumeric proof step names (e.g. remote Vampire 0.6)
blanchet
parents:
39370
diff
changeset
|
816 |
fun redirect_proof hyp_ts concl_t proof = |
33310 | 817 |
let |
37324
d77250dd2416
fix bugs in Sledgehammer's Isar proof "redirection" code
blanchet
parents:
37323
diff
changeset
|
818 |
(* The first pass outputs those steps that are independent of the negated |
d77250dd2416
fix bugs in Sledgehammer's Isar proof "redirection" code
blanchet
parents:
37323
diff
changeset
|
819 |
conjecture. The second pass flips the proof by contradiction to obtain a |
d77250dd2416
fix bugs in Sledgehammer's Isar proof "redirection" code
blanchet
parents:
37323
diff
changeset
|
820 |
direct proof, introducing case splits when an inference depends on |
d77250dd2416
fix bugs in Sledgehammer's Isar proof "redirection" code
blanchet
parents:
37323
diff
changeset
|
821 |
several facts that depend on the negated conjecture. *) |
39372
2fd8a9a7080d
first step in generalizing to nonnumeric proof step names (e.g. remote Vampire 0.6)
blanchet
parents:
39370
diff
changeset
|
822 |
val concl_l = (conjecture_prefix, length hyp_ts) |
38040
174568533593
fix bug in the SPASS Flotter hack, when a conjecture FOF is translated to several CNF clauses
blanchet
parents:
38039
diff
changeset
|
823 |
fun first_pass ([], contra) = ([], contra) |
174568533593
fix bug in the SPASS Flotter hack, when a conjecture FOF is translated to several CNF clauses
blanchet
parents:
38039
diff
changeset
|
824 |
| first_pass ((step as Fix _) :: proof, contra) = |
174568533593
fix bug in the SPASS Flotter hack, when a conjecture FOF is translated to several CNF clauses
blanchet
parents:
38039
diff
changeset
|
825 |
first_pass (proof, contra) |>> cons step |
174568533593
fix bug in the SPASS Flotter hack, when a conjecture FOF is translated to several CNF clauses
blanchet
parents:
38039
diff
changeset
|
826 |
| first_pass ((step as Let _) :: proof, contra) = |
174568533593
fix bug in the SPASS Flotter hack, when a conjecture FOF is translated to several CNF clauses
blanchet
parents:
38039
diff
changeset
|
827 |
first_pass (proof, contra) |>> cons step |
39370
f8292d3020db
use same hack as in "Async_Manager" to work around Proof General bug
blanchet
parents:
39368
diff
changeset
|
828 |
| first_pass ((step as Assume (l as (_, j), _)) :: proof, contra) = |
39372
2fd8a9a7080d
first step in generalizing to nonnumeric proof step names (e.g. remote Vampire 0.6)
blanchet
parents:
39370
diff
changeset
|
829 |
if l = concl_l then first_pass (proof, contra ||> cons step) |
2fd8a9a7080d
first step in generalizing to nonnumeric proof step names (e.g. remote Vampire 0.6)
blanchet
parents:
39370
diff
changeset
|
830 |
else first_pass (proof, contra) |>> cons (Assume (l, nth hyp_ts j)) |
38040
174568533593
fix bug in the SPASS Flotter hack, when a conjecture FOF is translated to several CNF clauses
blanchet
parents:
38039
diff
changeset
|
831 |
| first_pass (Have (qs, l, t, ByMetis (ls, ss)) :: proof, contra) = |
39372
2fd8a9a7080d
first step in generalizing to nonnumeric proof step names (e.g. remote Vampire 0.6)
blanchet
parents:
39370
diff
changeset
|
832 |
let val step = Have (qs, l, t, ByMetis (ls, ss)) in |
38040
174568533593
fix bug in the SPASS Flotter hack, when a conjecture FOF is translated to several CNF clauses
blanchet
parents:
38039
diff
changeset
|
833 |
if exists (member (op =) (fst contra)) ls then |
174568533593
fix bug in the SPASS Flotter hack, when a conjecture FOF is translated to several CNF clauses
blanchet
parents:
38039
diff
changeset
|
834 |
first_pass (proof, contra |>> cons l ||> cons step) |
174568533593
fix bug in the SPASS Flotter hack, when a conjecture FOF is translated to several CNF clauses
blanchet
parents:
38039
diff
changeset
|
835 |
else |
174568533593
fix bug in the SPASS Flotter hack, when a conjecture FOF is translated to several CNF clauses
blanchet
parents:
38039
diff
changeset
|
836 |
first_pass (proof, contra) |>> cons step |
174568533593
fix bug in the SPASS Flotter hack, when a conjecture FOF is translated to several CNF clauses
blanchet
parents:
38039
diff
changeset
|
837 |
end |
174568533593
fix bug in the SPASS Flotter hack, when a conjecture FOF is translated to several CNF clauses
blanchet
parents:
38039
diff
changeset
|
838 |
| first_pass _ = raise Fail "malformed proof" |
36402
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
839 |
val (proof_top, (contra_ls, contra_proof)) = |
39372
2fd8a9a7080d
first step in generalizing to nonnumeric proof step names (e.g. remote Vampire 0.6)
blanchet
parents:
39370
diff
changeset
|
840 |
first_pass (proof, ([concl_l], [])) |
36402
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
841 |
val backpatch_label = the_default ([], []) oo AList.lookup (op =) o fst |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
842 |
fun backpatch_labels patches ls = |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
843 |
fold merge_fact_sets (map (backpatch_label patches) ls) ([], []) |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
844 |
fun second_pass end_qs ([], assums, patches) = |
37324
d77250dd2416
fix bugs in Sledgehammer's Isar proof "redirection" code
blanchet
parents:
37323
diff
changeset
|
845 |
([Have (end_qs, no_label, concl_t, |
36564
96f767f546e7
be more discriminate: some one-line Isar proofs are silly
blanchet
parents:
36563
diff
changeset
|
846 |
ByMetis (backpatch_labels patches (map snd assums)))], patches) |
36402
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
847 |
| second_pass end_qs (Assume (l, t) :: proof, assums, patches) = |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
848 |
second_pass end_qs (proof, (t, l) :: assums, patches) |
36564
96f767f546e7
be more discriminate: some one-line Isar proofs are silly
blanchet
parents:
36563
diff
changeset
|
849 |
| second_pass end_qs (Have (qs, l, t, ByMetis (ls, ss)) :: proof, assums, |
36402
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
850 |
patches) = |
39373 | 851 |
(if member (op =) (snd (snd patches)) l andalso |
852 |
not (member (op =) (fst (snd patches)) l) andalso |
|
853 |
not (AList.defined (op =) (fst patches) l) then |
|
854 |
second_pass end_qs (proof, assums, patches ||> apsnd (append ls)) |
|
855 |
else case List.partition (member (op =) contra_ls) ls of |
|
856 |
([contra_l], co_ls) => |
|
857 |
if member (op =) qs Show then |
|
858 |
second_pass end_qs (proof, assums, |
|
859 |
patches |>> cons (contra_l, (co_ls, ss))) |
|
860 |
else |
|
861 |
second_pass end_qs |
|
862 |
(proof, assums, |
|
863 |
patches |>> cons (contra_l, (l :: co_ls, ss))) |
|
864 |
|>> cons (if member (op =) (fst (snd patches)) l then |
|
42606
0c76cf483899
show sorts not just types in Isar proofs + tuning
blanchet
parents:
42595
diff
changeset
|
865 |
Assume (l, s_not t) |
39373 | 866 |
else |
42606
0c76cf483899
show sorts not just types in Isar proofs + tuning
blanchet
parents:
42595
diff
changeset
|
867 |
Have (qs, l, s_not t, |
39373 | 868 |
ByMetis (backpatch_label patches l))) |
869 |
| (contra_ls as _ :: _, co_ls) => |
|
870 |
let |
|
871 |
val proofs = |
|
872 |
map_filter |
|
873 |
(fn l => |
|
874 |
if l = concl_l then |
|
875 |
NONE |
|
876 |
else |
|
877 |
let |
|
878 |
val drop_ls = filter (curry (op <>) l) contra_ls |
|
879 |
in |
|
880 |
second_pass [] |
|
881 |
(proof, assums, |
|
882 |
patches ||> apfst (insert (op =) l) |
|
883 |
||> apsnd (union (op =) drop_ls)) |
|
884 |
|> fst |> SOME |
|
885 |
end) contra_ls |
|
886 |
val (assumes, facts) = |
|
887 |
if member (op =) (fst (snd patches)) l then |
|
42606
0c76cf483899
show sorts not just types in Isar proofs + tuning
blanchet
parents:
42595
diff
changeset
|
888 |
([Assume (l, s_not t)], (l :: co_ls, ss)) |
39373 | 889 |
else |
890 |
([], (co_ls, ss)) |
|
891 |
in |
|
892 |
(case join_proofs proofs of |
|
893 |
SOME (l, t, proofs, proof_tail) => |
|
894 |
Have (case_split_qualifiers proofs @ |
|
895 |
(if null proof_tail then end_qs else []), l, t, |
|
896 |
smart_case_split proofs facts) :: proof_tail |
|
897 |
| NONE => |
|
898 |
[Have (case_split_qualifiers proofs @ end_qs, no_label, |
|
899 |
concl_t, smart_case_split proofs facts)], |
|
900 |
patches) |
|
901 |
|>> append assumes |
|
902 |
end |
|
903 |
| _ => raise Fail "malformed proof") |
|
36402
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
904 |
| second_pass _ _ = raise Fail "malformed proof" |
36486
c2d7e2dff59e
support Vampire definitions of constants as "let" constructs in Isar proofs
blanchet
parents:
36485
diff
changeset
|
905 |
val proof_bottom = |
c2d7e2dff59e
support Vampire definitions of constants as "let" constructs in Isar proofs
blanchet
parents:
36485
diff
changeset
|
906 |
second_pass [Show] (contra_proof, [], ([], ([], []))) |> fst |
36402
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
907 |
in proof_top @ proof_bottom end |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
908 |
|
38490 | 909 |
(* FIXME: Still needed? Probably not. *) |
36402
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
910 |
val kill_duplicate_assumptions_in_proof = |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
911 |
let |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
912 |
fun relabel_facts subst = |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
913 |
apfst (map (fn l => AList.lookup (op =) subst l |> the_default l)) |
36491
6769f8eacaac
unskolemize formulas in proof reconstruction + detect newer SPASS versions to avoid truncating identifiers if not necessary (truncating confuses proof reconstruction)
blanchet
parents:
36488
diff
changeset
|
914 |
fun do_step (step as Assume (l, t)) (proof, subst, assums) = |
36402
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
915 |
(case AList.lookup (op aconv) assums t of |
36967
3c804030474b
fix bug in Isar proof reconstruction step relabeling + don't try to infer the sorts of TVars, since this often fails miserably
blanchet
parents:
36924
diff
changeset
|
916 |
SOME l' => (proof, (l, l') :: subst, assums) |
36491
6769f8eacaac
unskolemize formulas in proof reconstruction + detect newer SPASS versions to avoid truncating identifiers if not necessary (truncating confuses proof reconstruction)
blanchet
parents:
36488
diff
changeset
|
917 |
| NONE => (step :: proof, subst, (t, l) :: assums)) |
36402
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
918 |
| do_step (Have (qs, l, t, by)) (proof, subst, assums) = |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
919 |
(Have (qs, l, t, |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
920 |
case by of |
36564
96f767f546e7
be more discriminate: some one-line Isar proofs are silly
blanchet
parents:
36563
diff
changeset
|
921 |
ByMetis facts => ByMetis (relabel_facts subst facts) |
36402
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
922 |
| CaseSplit (proofs, facts) => |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
923 |
CaseSplit (map do_proof proofs, relabel_facts subst facts)) :: |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
924 |
proof, subst, assums) |
36491
6769f8eacaac
unskolemize formulas in proof reconstruction + detect newer SPASS versions to avoid truncating identifiers if not necessary (truncating confuses proof reconstruction)
blanchet
parents:
36488
diff
changeset
|
925 |
| do_step step (proof, subst, assums) = (step :: proof, subst, assums) |
36402
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
926 |
and do_proof proof = fold do_step proof ([], [], []) |> #1 |> rev |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
927 |
in do_proof end |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
928 |
|
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
929 |
val then_chain_proof = |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
930 |
let |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
931 |
fun aux _ [] = [] |
36491
6769f8eacaac
unskolemize formulas in proof reconstruction + detect newer SPASS versions to avoid truncating identifiers if not necessary (truncating confuses proof reconstruction)
blanchet
parents:
36488
diff
changeset
|
932 |
| aux _ ((step as Assume (l, _)) :: proof) = step :: aux l proof |
36402
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
933 |
| aux l' (Have (qs, l, t, by) :: proof) = |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
934 |
(case by of |
36564
96f767f546e7
be more discriminate: some one-line Isar proofs are silly
blanchet
parents:
36563
diff
changeset
|
935 |
ByMetis (ls, ss) => |
36402
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
936 |
Have (if member (op =) ls l' then |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
937 |
(Then :: qs, l, t, |
36564
96f767f546e7
be more discriminate: some one-line Isar proofs are silly
blanchet
parents:
36563
diff
changeset
|
938 |
ByMetis (filter_out (curry (op =) l') ls, ss)) |
36402
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
939 |
else |
36564
96f767f546e7
be more discriminate: some one-line Isar proofs are silly
blanchet
parents:
36563
diff
changeset
|
940 |
(qs, l, t, ByMetis (ls, ss))) |
36402
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
941 |
| CaseSplit (proofs, facts) => |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
942 |
Have (qs, l, t, CaseSplit (map (aux no_label) proofs, facts))) :: |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
943 |
aux l proof |
36491
6769f8eacaac
unskolemize formulas in proof reconstruction + detect newer SPASS versions to avoid truncating identifiers if not necessary (truncating confuses proof reconstruction)
blanchet
parents:
36488
diff
changeset
|
944 |
| aux _ (step :: proof) = step :: aux no_label proof |
36402
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
945 |
in aux no_label end |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
946 |
|
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
947 |
fun kill_useless_labels_in_proof proof = |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
948 |
let |
36556
81dc2c20f052
use readable names in "debug" mode for type vars + don't pipe facts using "using" but rather give them directly to metis (works better with type variables)
blanchet
parents:
36555
diff
changeset
|
949 |
val used_ls = used_labels_of proof |
36402
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
950 |
fun do_label l = if member (op =) used_ls l then l else no_label |
36556
81dc2c20f052
use readable names in "debug" mode for type vars + don't pipe facts using "using" but rather give them directly to metis (works better with type variables)
blanchet
parents:
36555
diff
changeset
|
951 |
fun do_step (Assume (l, t)) = Assume (do_label l, t) |
81dc2c20f052
use readable names in "debug" mode for type vars + don't pipe facts using "using" but rather give them directly to metis (works better with type variables)
blanchet
parents:
36555
diff
changeset
|
952 |
| do_step (Have (qs, l, t, by)) = |
36402
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
953 |
Have (qs, do_label l, t, |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
954 |
case by of |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
955 |
CaseSplit (proofs, facts) => |
36556
81dc2c20f052
use readable names in "debug" mode for type vars + don't pipe facts using "using" but rather give them directly to metis (works better with type variables)
blanchet
parents:
36555
diff
changeset
|
956 |
CaseSplit (map (map do_step) proofs, facts) |
36402
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
957 |
| _ => by) |
36556
81dc2c20f052
use readable names in "debug" mode for type vars + don't pipe facts using "using" but rather give them directly to metis (works better with type variables)
blanchet
parents:
36555
diff
changeset
|
958 |
| do_step step = step |
81dc2c20f052
use readable names in "debug" mode for type vars + don't pipe facts using "using" but rather give them directly to metis (works better with type variables)
blanchet
parents:
36555
diff
changeset
|
959 |
in map do_step proof end |
36402
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
960 |
|
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
961 |
fun prefix_for_depth n = replicate_string (n + 1) |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
962 |
|
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
963 |
val relabel_proof = |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
964 |
let |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
965 |
fun aux _ _ _ [] = [] |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
966 |
| aux subst depth (next_assum, next_fact) (Assume (l, t) :: proof) = |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
967 |
if l = no_label then |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
968 |
Assume (l, t) :: aux subst depth (next_assum, next_fact) proof |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
969 |
else |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
970 |
let val l' = (prefix_for_depth depth assum_prefix, next_assum) in |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
971 |
Assume (l', t) :: |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
972 |
aux ((l, l') :: subst) depth (next_assum + 1, next_fact) proof |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
973 |
end |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
974 |
| aux subst depth (next_assum, next_fact) (Have (qs, l, t, by) :: proof) = |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
975 |
let |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
976 |
val (l', subst, next_fact) = |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
977 |
if l = no_label then |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
978 |
(l, subst, next_fact) |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
979 |
else |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
980 |
let |
42180
a6c141925a8a
added monomorphization option to Sledgehammer ATPs -- this looks promising but is still off by default
blanchet
parents:
41742
diff
changeset
|
981 |
val l' = (prefix_for_depth depth have_prefix, next_fact) |
36402
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
982 |
in (l', (l, l') :: subst, next_fact + 1) end |
36570
9bebcb40599f
identify axioms/conjectures more reliably in ATP proofs (an empty dependency list doesn't always indicate an axiom or conjecture!)
blanchet
parents:
36567
diff
changeset
|
983 |
val relabel_facts = |
39370
f8292d3020db
use same hack as in "Async_Manager" to work around Proof General bug
blanchet
parents:
39368
diff
changeset
|
984 |
apfst (maps (the_list o AList.lookup (op =) subst)) |
36402
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
985 |
val by = |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
986 |
case by of |
36564
96f767f546e7
be more discriminate: some one-line Isar proofs are silly
blanchet
parents:
36563
diff
changeset
|
987 |
ByMetis facts => ByMetis (relabel_facts facts) |
36402
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
988 |
| CaseSplit (proofs, facts) => |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
989 |
CaseSplit (map (aux subst (depth + 1) (1, 1)) proofs, |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
990 |
relabel_facts facts) |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
991 |
in |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
992 |
Have (qs, l', t, by) :: |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
993 |
aux subst depth (next_assum, next_fact) proof |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
994 |
end |
36491
6769f8eacaac
unskolemize formulas in proof reconstruction + detect newer SPASS versions to avoid truncating identifiers if not necessary (truncating confuses proof reconstruction)
blanchet
parents:
36488
diff
changeset
|
995 |
| aux subst depth nextp (step :: proof) = |
6769f8eacaac
unskolemize formulas in proof reconstruction + detect newer SPASS versions to avoid truncating identifiers if not necessary (truncating confuses proof reconstruction)
blanchet
parents:
36488
diff
changeset
|
996 |
step :: aux subst depth nextp proof |
36402
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
997 |
in aux [] 0 (1, 1) end |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
998 |
|
42881
dbdfe2d5b6ab
automatically use "metisFT" when typed helpers are necessary
blanchet
parents:
42876
diff
changeset
|
999 |
fun string_for_proof ctxt0 full_types i n = |
36402
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
1000 |
let |
42761
8ea9c6fa8b53
fixed several bugs in Isar proof reconstruction, in particular w.r.t. mangled types and hAPP
blanchet
parents:
42759
diff
changeset
|
1001 |
val ctxt = |
8ea9c6fa8b53
fixed several bugs in Isar proof reconstruction, in particular w.r.t. mangled types and hAPP
blanchet
parents:
42759
diff
changeset
|
1002 |
ctxt0 |> Config.put show_free_types false |
8ea9c6fa8b53
fixed several bugs in Isar proof reconstruction, in particular w.r.t. mangled types and hAPP
blanchet
parents:
42759
diff
changeset
|
1003 |
|> Config.put show_types true |
8ea9c6fa8b53
fixed several bugs in Isar proof reconstruction, in particular w.r.t. mangled types and hAPP
blanchet
parents:
42759
diff
changeset
|
1004 |
|> Config.put show_sorts true |
37319
42268dc7d6c4
show types in Isar proofs, but not for free variables;
blanchet
parents:
37172
diff
changeset
|
1005 |
fun fix_print_mode f x = |
39134
917b4b6ba3d2
turned show_sorts/show_types into proper configuration options;
wenzelm
parents:
39115
diff
changeset
|
1006 |
Print_Mode.setmp (filter (curry (op =) Symbol.xsymbolsN) |
917b4b6ba3d2
turned show_sorts/show_types into proper configuration options;
wenzelm
parents:
39115
diff
changeset
|
1007 |
(print_mode_value ())) f x |
36402
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
1008 |
fun do_indent ind = replicate_string (ind * indent_size) " " |
36478
1aba777a367f
fix types of "fix" variables to help proof reconstruction and aid readability
blanchet
parents:
36477
diff
changeset
|
1009 |
fun do_free (s, T) = |
1aba777a367f
fix types of "fix" variables to help proof reconstruction and aid readability
blanchet
parents:
36477
diff
changeset
|
1010 |
maybe_quote s ^ " :: " ^ |
1aba777a367f
fix types of "fix" variables to help proof reconstruction and aid readability
blanchet
parents:
36477
diff
changeset
|
1011 |
maybe_quote (fix_print_mode (Syntax.string_of_typ ctxt) T) |
36570
9bebcb40599f
identify axioms/conjectures more reliably in ATP proofs (an empty dependency list doesn't always indicate an axiom or conjecture!)
blanchet
parents:
36567
diff
changeset
|
1012 |
fun do_label l = if l = no_label then "" else string_for_label l ^ ": " |
36402
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
1013 |
fun do_have qs = |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
1014 |
(if member (op =) qs Moreover then "moreover " else "") ^ |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
1015 |
(if member (op =) qs Ultimately then "ultimately " else "") ^ |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
1016 |
(if member (op =) qs Then then |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
1017 |
if member (op =) qs Show then "thus" else "hence" |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
1018 |
else |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
1019 |
if member (op =) qs Show then "show" else "have") |
36478
1aba777a367f
fix types of "fix" variables to help proof reconstruction and aid readability
blanchet
parents:
36477
diff
changeset
|
1020 |
val do_term = maybe_quote o fix_print_mode (Syntax.string_of_term ctxt) |
43033 | 1021 |
val reconstructor = if full_types then MetisFT else Metis |
36570
9bebcb40599f
identify axioms/conjectures more reliably in ATP proofs (an empty dependency list doesn't always indicate an axiom or conjecture!)
blanchet
parents:
36567
diff
changeset
|
1022 |
fun do_facts (ls, ss) = |
43033 | 1023 |
reconstructor_command reconstructor 1 1 |
1024 |
(ls |> sort_distinct (prod_ord string_ord int_ord), |
|
1025 |
ss |> sort_distinct string_ord) |
|
36478
1aba777a367f
fix types of "fix" variables to help proof reconstruction and aid readability
blanchet
parents:
36477
diff
changeset
|
1026 |
and do_step ind (Fix xs) = |
1aba777a367f
fix types of "fix" variables to help proof reconstruction and aid readability
blanchet
parents:
36477
diff
changeset
|
1027 |
do_indent ind ^ "fix " ^ space_implode " and " (map do_free xs) ^ "\n" |
36486
c2d7e2dff59e
support Vampire definitions of constants as "let" constructs in Isar proofs
blanchet
parents:
36485
diff
changeset
|
1028 |
| do_step ind (Let (t1, t2)) = |
c2d7e2dff59e
support Vampire definitions of constants as "let" constructs in Isar proofs
blanchet
parents:
36485
diff
changeset
|
1029 |
do_indent ind ^ "let " ^ do_term t1 ^ " = " ^ do_term t2 ^ "\n" |
36402
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
1030 |
| do_step ind (Assume (l, t)) = |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
1031 |
do_indent ind ^ "assume " ^ do_label l ^ do_term t ^ "\n" |
36564
96f767f546e7
be more discriminate: some one-line Isar proofs are silly
blanchet
parents:
36563
diff
changeset
|
1032 |
| do_step ind (Have (qs, l, t, ByMetis facts)) = |
36402
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
1033 |
do_indent ind ^ do_have qs ^ " " ^ |
36479 | 1034 |
do_label l ^ do_term t ^ " " ^ do_facts facts ^ "\n" |
36402
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
1035 |
| do_step ind (Have (qs, l, t, CaseSplit (proofs, facts))) = |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
1036 |
space_implode (do_indent ind ^ "moreover\n") |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
1037 |
(map (do_block ind) proofs) ^ |
36479 | 1038 |
do_indent ind ^ do_have qs ^ " " ^ do_label l ^ do_term t ^ " " ^ |
36478
1aba777a367f
fix types of "fix" variables to help proof reconstruction and aid readability
blanchet
parents:
36477
diff
changeset
|
1039 |
do_facts facts ^ "\n" |
36402
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
1040 |
and do_steps prefix suffix ind steps = |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
1041 |
let val s = implode (map (do_step ind) steps) in |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
1042 |
replicate_string (ind * indent_size - size prefix) " " ^ prefix ^ |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
1043 |
String.extract (s, ind * indent_size, |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
1044 |
SOME (size s - ind * indent_size - 1)) ^ |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
1045 |
suffix ^ "\n" |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
1046 |
end |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
1047 |
and do_block ind proof = do_steps "{ " " }" (ind + 1) proof |
36564
96f767f546e7
be more discriminate: some one-line Isar proofs are silly
blanchet
parents:
36563
diff
changeset
|
1048 |
(* One-step proofs are pointless; better use the Metis one-liner |
96f767f546e7
be more discriminate: some one-line Isar proofs are silly
blanchet
parents:
36563
diff
changeset
|
1049 |
directly. *) |
96f767f546e7
be more discriminate: some one-line Isar proofs are silly
blanchet
parents:
36563
diff
changeset
|
1050 |
and do_proof [Have (_, _, _, ByMetis _)] = "" |
96f767f546e7
be more discriminate: some one-line Isar proofs are silly
blanchet
parents:
36563
diff
changeset
|
1051 |
| do_proof proof = |
36480
1e01a7162435
polish Isar proofs: don't mention facts twice, and don't show one-liner "structured" proofs
blanchet
parents:
36479
diff
changeset
|
1052 |
(if i <> 1 then "prefer " ^ string_of_int i ^ "\n" else "") ^ |
39452 | 1053 |
do_indent 0 ^ "proof -\n" ^ do_steps "" "" 1 proof ^ do_indent 0 ^ |
1054 |
(if n <> 1 then "next" else "qed") |
|
36488
32c92af68ec9
remove Sledgehammer's "sorts" option to annotate variables with sorts in proof;
blanchet
parents:
36486
diff
changeset
|
1055 |
in do_proof end |
36402
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
1056 |
|
43062
2834548a7a48
nicer failure message when one-line proof reconstruction fails
blanchet
parents:
43051
diff
changeset
|
1057 |
fun isar_proof_text ctxt isar_proof_requested |
43033 | 1058 |
(debug, full_types, isar_shrink_factor, type_sys, pool, |
43037 | 1059 |
conjecture_shape, facts_offset, fact_names, sym_tab, atp_proof, goal) |
1060 |
(one_line_params as (_, _, _, _, subgoal, subgoal_count)) = |
|
36402
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
1061 |
let |
43062
2834548a7a48
nicer failure message when one-line proof reconstruction fails
blanchet
parents:
43051
diff
changeset
|
1062 |
val isar_shrink_factor = |
2834548a7a48
nicer failure message when one-line proof reconstruction fails
blanchet
parents:
43051
diff
changeset
|
1063 |
(if isar_proof_requested then 1 else 2) * isar_shrink_factor |
43037 | 1064 |
val (params, hyp_ts, concl_t) = strip_subgoal ctxt goal subgoal |
36909
7d5587f6d5f7
made Sledgehammer's full-typed proof reconstruction work for the first time;
blanchet
parents:
36607
diff
changeset
|
1065 |
val frees = fold Term.add_frees (concl_t :: hyp_ts) [] |
36967
3c804030474b
fix bug in Isar proof reconstruction step relabeling + don't try to infer the sorts of TVars, since this often fails miserably
blanchet
parents:
36924
diff
changeset
|
1066 |
val tfrees = fold Term.add_tfrees (concl_t :: hyp_ts) [] |
43033 | 1067 |
val one_line_proof = one_line_proof_text one_line_params |
36283
25e69e93954d
failure of reconstructing the Isar proof (e.g., exception) should not prevent Sledgehammer from showing the short one-liner proof -- but in "debug" mode we do want to know what the exception is
blanchet
parents:
36281
diff
changeset
|
1068 |
fun isar_proof_for () = |
43033 | 1069 |
case atp_proof |
1070 |
|> isar_proof_from_atp_proof pool ctxt type_sys tfrees |
|
1071 |
isar_shrink_factor conjecture_shape facts_offset |
|
1072 |
fact_names sym_tab params frees |
|
39372
2fd8a9a7080d
first step in generalizing to nonnumeric proof step names (e.g. remote Vampire 0.6)
blanchet
parents:
39370
diff
changeset
|
1073 |
|> redirect_proof hyp_ts concl_t |
36402
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
1074 |
|> kill_duplicate_assumptions_in_proof |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
1075 |
|> then_chain_proof |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
1076 |
|> kill_useless_labels_in_proof |
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
1077 |
|> relabel_proof |
43037 | 1078 |
|> string_for_proof ctxt full_types subgoal subgoal_count of |
43062
2834548a7a48
nicer failure message when one-line proof reconstruction fails
blanchet
parents:
43051
diff
changeset
|
1079 |
"" => |
2834548a7a48
nicer failure message when one-line proof reconstruction fails
blanchet
parents:
43051
diff
changeset
|
1080 |
if isar_proof_requested then |
2834548a7a48
nicer failure message when one-line proof reconstruction fails
blanchet
parents:
43051
diff
changeset
|
1081 |
"\nNo structured proof available (proof too short)." |
2834548a7a48
nicer failure message when one-line proof reconstruction fails
blanchet
parents:
43051
diff
changeset
|
1082 |
else |
2834548a7a48
nicer failure message when one-line proof reconstruction fails
blanchet
parents:
43051
diff
changeset
|
1083 |
"" |
2834548a7a48
nicer failure message when one-line proof reconstruction fails
blanchet
parents:
43051
diff
changeset
|
1084 |
| proof => |
2834548a7a48
nicer failure message when one-line proof reconstruction fails
blanchet
parents:
43051
diff
changeset
|
1085 |
"\n\n" ^ (if isar_proof_requested then "Structured proof" |
2834548a7a48
nicer failure message when one-line proof reconstruction fails
blanchet
parents:
43051
diff
changeset
|
1086 |
else "Perhaps this will work") ^ |
2834548a7a48
nicer failure message when one-line proof reconstruction fails
blanchet
parents:
43051
diff
changeset
|
1087 |
":\n" ^ Markup.markup Markup.sendback proof |
35868
491a97039ce1
renamed "e_full" and "vampire_full" to "e_isar" and "vampire_isar";
blanchet
parents:
35865
diff
changeset
|
1088 |
val isar_proof = |
36402
1b20805974c7
introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
blanchet
parents:
36396
diff
changeset
|
1089 |
if debug then |
36283
25e69e93954d
failure of reconstructing the Isar proof (e.g., exception) should not prevent Sledgehammer from showing the short one-liner proof -- but in "debug" mode we do want to know what the exception is
blanchet
parents:
36281
diff
changeset
|
1090 |
isar_proof_for () |
25e69e93954d
failure of reconstructing the Isar proof (e.g., exception) should not prevent Sledgehammer from showing the short one-liner proof -- but in "debug" mode we do want to know what the exception is
blanchet
parents:
36281
diff
changeset
|
1091 |
else |
43062
2834548a7a48
nicer failure message when one-line proof reconstruction fails
blanchet
parents:
43051
diff
changeset
|
1092 |
case try isar_proof_for () of |
2834548a7a48
nicer failure message when one-line proof reconstruction fails
blanchet
parents:
43051
diff
changeset
|
1093 |
SOME s => s |
2834548a7a48
nicer failure message when one-line proof reconstruction fails
blanchet
parents:
43051
diff
changeset
|
1094 |
| NONE => if isar_proof_requested then |
2834548a7a48
nicer failure message when one-line proof reconstruction fails
blanchet
parents:
43051
diff
changeset
|
1095 |
"\nWarning: The Isar proof construction failed." |
2834548a7a48
nicer failure message when one-line proof reconstruction fails
blanchet
parents:
43051
diff
changeset
|
1096 |
else |
2834548a7a48
nicer failure message when one-line proof reconstruction fails
blanchet
parents:
43051
diff
changeset
|
1097 |
"" |
43033 | 1098 |
in one_line_proof ^ isar_proof end |
21978
72c21698a055
Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff
changeset
|
1099 |
|
43033 | 1100 |
fun proof_text ctxt isar_proof isar_params |
1101 |
(one_line_params as (preplay, _, _, _, _, _)) = |
|
43050
59284a13abc4
support "metis" and "metisFT" as provers in the architecture, so they can be used for minimizing
blanchet
parents:
43039
diff
changeset
|
1102 |
(if isar_proof orelse preplay = Failed_to_Play then |
43062
2834548a7a48
nicer failure message when one-line proof reconstruction fails
blanchet
parents:
43051
diff
changeset
|
1103 |
isar_proof_text ctxt isar_proof isar_params |
43033 | 1104 |
else |
1105 |
one_line_proof_text) one_line_params |
|
36223
217ca1273786
make Sledgehammer's minimizer also minimize Isar proofs
blanchet
parents:
36140
diff
changeset
|
1106 |
|
31038 | 1107 |
end; |