--- a/src/HOL/TPTP/atp_export.ML Mon Jan 23 17:40:32 2012 +0100
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,219 +0,0 @@
-(* Title: HOL/TPTP/atp_export.ML
- Author: Jasmin Blanchette, TU Muenchen
- Copyright 2011
-
-Export Isabelle theories as first-order TPTP inferences, exploiting
-Sledgehammer's translation.
-*)
-
-signature ATP_EXPORT =
-sig
- type atp_format = ATP_Problem.atp_format
-
- val theorems_mentioned_in_proof_term :
- string list option -> thm -> string list
- val generate_tptp_graph_file_for_theory :
- Proof.context -> theory -> string -> unit
- val generate_tptp_inference_file_for_theory :
- Proof.context -> theory -> atp_format -> string -> string -> unit
-end;
-
-structure ATP_Export : ATP_EXPORT =
-struct
-
-open ATP_Problem
-open ATP_Proof
-open ATP_Problem_Generate
-open ATP_Systems
-
-val fact_name_of = prefix fact_prefix o ascii_of
-
-fun facts_of thy =
- Sledgehammer_Filter.all_facts (Proof_Context.init_global thy) false
- Symtab.empty true [] []
- |> filter (curry (op =) @{typ bool} o fastype_of
- o Object_Logic.atomize_term thy o prop_of o snd)
-
-(* FIXME: Similar yet different code in "mirabelle.ML". The code here has a few
- fixes that seem to be missing over there; or maybe the two code portions are
- not doing the same? *)
-fun fold_body_thms thm_name all_names f =
- let
- fun app n (PBody {thms, ...}) =
- thms |> fold (fn (_, (name, prop, body)) => fn x =>
- let
- val body' = Future.join body
- val n' =
- n + (if name = "" orelse
- (is_some all_names andalso
- not (member (op =) (the all_names) name)) orelse
- (* uncommon case where the proved theorem occurs twice
- (e.g., "Transitive_Closure.trancl_into_trancl") *)
- n = 1 andalso name = thm_name then
- 0
- else
- 1)
- val x' = x |> n' <= 1 ? app n' body'
- in (x' |> n = 1 ? f (name, prop, body')) end)
- in fold (app 0) end
-
-fun theorems_mentioned_in_proof_term all_names thm =
- let
- fun collect (s, _, _) = if s <> "" then insert (op =) s else I
- val names =
- [] |> fold_body_thms (Thm.get_name_hint thm) all_names collect
- [Thm.proof_body_of thm]
- |> map fact_name_of
- in names end
-
-fun interesting_const_names ctxt =
- let val thy = Proof_Context.theory_of ctxt in
- Sledgehammer_Filter.const_names_in_fact thy
- (Sledgehammer_Provers.is_built_in_const_for_prover ctxt eN)
- end
-
-fun generate_tptp_graph_file_for_theory ctxt thy file_name =
- let
- val path = file_name |> Path.explode
- val _ = File.write path ""
- val axioms = Theory.all_axioms_of thy |> map fst
- fun do_thm thm =
- let
- val name = Thm.get_name_hint thm
- val s =
- "[" ^ Thm.legacy_get_kind thm ^ "] " ^
- (if member (op =) axioms name then "A" else "T") ^ " " ^
- prefix fact_prefix (ascii_of name) ^ ": " ^
- commas (theorems_mentioned_in_proof_term NONE thm) ^ "; " ^
- commas (map (prefix const_prefix o ascii_of)
- (interesting_const_names ctxt (Thm.prop_of thm))) ^ " \n"
- in File.append path s end
- val thms = facts_of thy |> map snd
- val _ = map do_thm thms
- in () end
-
-fun inference_term [] = NONE
- | inference_term ss =
- ATerm ("inference",
- [ATerm ("isabelle", []),
- ATerm (tptp_empty_list, []),
- ATerm (tptp_empty_list, map (fn s => ATerm (s, [])) ss)])
- |> SOME
-fun inference infers ident =
- these (AList.lookup (op =) infers ident) |> inference_term
-fun add_inferences_to_problem_line infers
- (Formula (ident, Axiom, phi, NONE, NONE)) =
- Formula (ident, Lemma, phi, inference infers ident, NONE)
- | add_inferences_to_problem_line _ line = line
-fun add_inferences_to_problem infers =
- map (apsnd (map (add_inferences_to_problem_line infers)))
-
-fun ident_of_problem_line (Decl (ident, _, _)) = ident
- | ident_of_problem_line (Formula (ident, _, _, _, _)) = ident
-
-fun run_some_atp ctxt format problem =
- let
- val thy = Proof_Context.theory_of ctxt
- val prob_file = File.tmp_path (Path.explode "prob.tptp")
- val {exec, arguments, proof_delims, known_failures, ...} =
- get_atp thy (case format of DFG _ => spassN | _ => eN)
- val _ = problem |> lines_for_atp_problem format |> File.write_list prob_file
- val command =
- File.shell_path (Path.explode (getenv (fst exec) ^ "/" ^ snd exec)) ^
- " " ^ arguments ctxt false "" (seconds 1.0) (K []) ^ " " ^
- File.shell_path prob_file
- in
- TimeLimit.timeLimit (seconds 0.3) Isabelle_System.bash_output command
- |> fst
- |> extract_tstplike_proof_and_outcome false true proof_delims
- known_failures
- |> snd
- end
- handle TimeLimit.TimeOut => SOME TimedOut
-
-val likely_tautology_prefixes =
- [@{theory HOL}, @{theory Meson}, @{theory ATP}, @{theory Metis}]
- |> map (fact_name_of o Context.theory_name)
-
-fun is_problem_line_tautology ctxt format (Formula (ident, _, phi, _, _)) =
- exists (fn prefix => String.isPrefix prefix ident)
- likely_tautology_prefixes andalso
- is_none (run_some_atp ctxt format
- [(factsN, [Formula (ident, Conjecture, phi, NONE, NONE)])])
- | is_problem_line_tautology _ _ _ = false
-
-structure String_Graph = Graph(type key = string val ord = string_ord);
-
-fun order_facts ord = sort (ord o pairself ident_of_problem_line)
-fun order_problem_facts _ [] = []
- | order_problem_facts ord ((heading, lines) :: problem) =
- if heading = factsN then (heading, order_facts ord lines) :: problem
- else (heading, lines) :: order_problem_facts ord problem
-
-(* A fairly random selection of types used for monomorphizing. *)
-val ground_types =
- [@{typ nat}, HOLogic.intT, HOLogic.realT, @{typ "nat => bool"}, @{typ bool},
- @{typ unit}]
-
-fun ground_type_for_tvar _ [] tvar =
- raise TYPE ("ground_type_for_sorts", [TVar tvar], [])
- | ground_type_for_tvar thy (T :: Ts) tvar =
- if can (Sign.typ_match thy (TVar tvar, T)) Vartab.empty then T
- else ground_type_for_tvar thy Ts tvar
-
-fun monomorphize_term ctxt t =
- let val thy = Proof_Context.theory_of ctxt in
- t |> map_types (map_type_tvar (ground_type_for_tvar thy ground_types))
- handle TYPE _ => @{prop True}
- end
-
-fun generate_tptp_inference_file_for_theory ctxt thy format type_enc file_name =
- let
- val type_enc = type_enc |> type_enc_from_string Strict
- |> adjust_type_enc format
- val mono = polymorphism_of_type_enc type_enc <> Polymorphic
- val path = file_name |> Path.explode
- val _ = File.write path ""
- val facts = facts_of thy
- val atp_problem =
- facts
- |> map (fn ((_, loc), th) =>
- ((Thm.get_name_hint th, loc),
- th |> prop_of |> mono ? monomorphize_term ctxt))
- |> prepare_atp_problem ctxt format Axiom Axiom type_enc true combinatorsN
- false true [] @{prop False}
- |> #1
- val atp_problem =
- atp_problem
- |> map (apsnd (filter_out (is_problem_line_tautology ctxt format)))
- val all_names = facts |> map (Thm.get_name_hint o snd)
- val infers =
- facts |> map (fn (_, th) =>
- (fact_name_of (Thm.get_name_hint th),
- theorems_mentioned_in_proof_term (SOME all_names) th))
- val all_atp_problem_names =
- atp_problem |> maps (map ident_of_problem_line o snd)
- val infers =
- infers |> filter (member (op =) all_atp_problem_names o fst)
- |> map (apsnd (filter (member (op =) all_atp_problem_names)))
- val ordered_names =
- String_Graph.empty
- |> fold (String_Graph.new_node o rpair ()) all_atp_problem_names
- |> fold (fn (to, froms) =>
- fold (fn from => String_Graph.add_edge (from, to)) froms)
- infers
- |> String_Graph.topological_order
- val order_tab =
- Symtab.empty
- |> fold (Symtab.insert (op =))
- (ordered_names ~~ (1 upto length ordered_names))
- val name_ord = int_ord o pairself (the o Symtab.lookup order_tab)
- val atp_problem =
- atp_problem
- |> (case format of DFG _ => I | _ => add_inferences_to_problem infers)
- |> order_problem_facts name_ord
- val ss = lines_for_atp_problem format atp_problem
- val _ = app (File.append path) ss
- in () end
-
-end;