author  blanchet 
Mon, 26 Jul 2010 17:03:21 +0200  
changeset 37995  06f02b15ef8a 
parent 37994  b04307085a09 
child 37996  11c076ea92e9 
permissions  rwrr 
36376  1 
(* Title: HOL/Tools/ATP_Manager/atp_systems.ML 
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Author: Fabian Immler, TU Muenchen 
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Author: Jasmin Blanchette, TU Muenchen 
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Setup for supported ATPs. 
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*) 
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signature ATP_SYSTEMS = 
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sig 
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val trace : bool Unsynchronized.ref 
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val dest_dir : string Config.T 
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val problem_prefix : string Config.T 
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val measure_runtime : bool Config.T 

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val refresh_systems_on_tptp : unit > unit 

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val default_atps_param_value : unit > string 
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val setup : theory > theory 
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end; 
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structure ATP_Systems : ATP_SYSTEMS = 
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struct 
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open Metis_Clauses 
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open Sledgehammer_Util 
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open Sledgehammer_Fact_Filter 
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open Sledgehammer_TPTP_Format 
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open Sledgehammer_Proof_Reconstruct 
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open ATP_Manager 
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val trace = Unsynchronized.ref false 
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fun trace_msg msg = if !trace then tracing (msg ()) else () 
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(** generic ATP **) 
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(* external problem files *) 
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val (dest_dir, dest_dir_setup) = Attrib.config_string "atp_dest_dir" (K ""); 
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(*Empty string means create files in Isabelle's temporary files directory.*) 
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val (problem_prefix, problem_prefix_setup) = 
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Attrib.config_string "atp_problem_prefix" (K "prob"); 
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val (measure_runtime, measure_runtime_setup) = 
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Attrib.config_bool "atp_measure_runtime" (K false); 
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(* prover configuration *) 
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type prover_config = 
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{home_var: string, 
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executable: string, 
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arguments: bool > Time.time > string, 
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proof_delims: (string * string) list, 
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known_failures: (failure * string) list, 
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max_axiom_clauses: int, 
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prefers_theory_relevant: bool, 
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explicit_forall: bool} 
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(* basic template *) 
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val remotify = prefix "remote_" 
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fun with_path cleanup after f path = 
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Exn.capture f path 
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> tap (fn _ => cleanup path) 
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> Exn.release 
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> tap (after path) 
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(* Splits by the first possible of a list of delimiters. *) 
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fun extract_proof delims output = 
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case pairself (find_first (fn s => String.isSubstring s output)) 
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(ListPair.unzip delims) of 
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(SOME begin_delim, SOME end_delim) => 
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(output > first_field begin_delim > the > snd 
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> first_field end_delim > the > fst 

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> first_field "\n" > the > snd 

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handle Option.Option => "") 

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 _ => "" 
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fun extract_proof_and_outcome complete res_code proof_delims known_failures 
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output = 
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case map_filter (fn (failure, pattern) => 
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if String.isSubstring pattern output then SOME failure 
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else NONE) known_failures of 
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[] => (case extract_proof proof_delims output of 
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"" => ("", SOME UnknownError) 
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 proof => if res_code = 0 then (proof, NONE) 
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else ("", SOME UnknownError)) 
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 (failure :: _) => 
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("", SOME (if failure = IncompleteUnprovable andalso complete then 
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Unprovable 
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else 
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failure)) 
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fun string_for_failure Unprovable = "The ATP problem is unprovable." 
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 string_for_failure IncompleteUnprovable = 
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"The ATP cannot prove the problem." 

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 string_for_failure CantConnect = "Can't connect to remote ATP." 
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 string_for_failure TimedOut = "Timed out." 
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 string_for_failure OutOfResources = "The ATP ran out of resources." 
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 string_for_failure OldSpass = 
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(* FIXME: Change the error message below to point to the Isabelle download 
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page once the package is there (around the Isabelle2010 release). *) 
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"Warning: Sledgehammer requires a more recent version of SPASS with \ 
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\support for the TPTP syntax. To install it, download and untar the \ 
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\package \"http://isabelle.in.tum.de/~blanchet/spass3.7.tgz\" and add the \ 
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\\"spass3.7\" directory's full path to \"" ^ 
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Path.implode (Path.expand (Path.appends 
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(Path.variable "ISABELLE_HOME_USER" :: 
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map Path.basic ["etc", "components"]))) ^ 
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"\" on a line of its own." 
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 string_for_failure MalformedInput = 
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"Internal Sledgehammer error: The ATP problem is malformed. Please report \ 

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\this to the Isabelle developers." 

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 string_for_failure MalformedOutput = "Error: The ATP output is malformed." 
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 string_for_failure UnknownError = "Error: An unknown ATP error occurred." 
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(* Clause preparation *) 
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fun make_clause_table xs = 
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fold (Termtab.update o `(prop_of o snd)) xs Termtab.empty 
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(* Remove existing axiom clauses from the conjecture clauses, as this can 
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dramatically boost an ATP's performance (for some reason). *) 
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fun subtract_cls ax_clauses = 
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filter_out (Termtab.defined (make_clause_table ax_clauses) o prop_of) 
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fun combformula_for_prop thy = 
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let 
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val do_term = combterm_from_term thy 
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fun do_quant bs q s T t' = 
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do_formula ((s, T) :: bs) t' 
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#>> (fn phi => AQuant (q, [`make_bound_var s], phi)) 
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and do_conn bs c t1 t2 = 
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do_formula bs t1 ##>> do_formula bs t2 
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#>> (fn (phi1, phi2) => AConn (c, [phi1, phi2])) 
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and do_formula bs t = 
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case t of 
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@{const Trueprop} $ t1 => do_formula bs t1 
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 @{const Not} $ t1 => 
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do_formula bs t1 #>> (fn phi => AConn (ANot, [phi])) 
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 Const (@{const_name All}, _) $ Abs (s, T, t') => 
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do_quant bs AForall s T t' 
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 Const (@{const_name Ex}, _) $ Abs (s, T, t') => 
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do_quant bs AExists s T t' 
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 @{const "op &"} $ t1 $ t2 => do_conn bs AAnd t1 t2 
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 @{const "op "} $ t1 $ t2 => do_conn bs AOr t1 t2 
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 @{const "op >"} $ t1 $ t2 => do_conn bs AImplies t1 t2 
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 Const (@{const_name "op ="}, Type (_, [@{typ bool}, _])) $ t1 $ t2 => 
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do_conn bs AIff t1 t2 
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 _ => (fn ts => do_term bs (Envir.eta_contract t) 
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>> APred > union (op =) ts) 
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in do_formula [] end 
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(* making axiom and conjecture clauses *) 
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fun make_clause thy (formula_id, formula_name, kind, t) skolems = 
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let 
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(* ### FIXME: introduce combinators and perform other transformations 
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previously done by Clausifier.to_nnf *) 
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val (skolems, t) = 
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t > Object_Logic.atomize_term thy 
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> conceal_skolem_terms formula_id skolems 
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val (combformula, ctypes_sorts) = combformula_for_prop thy t [] 
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in 
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(skolems, 
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FOLFormula {formula_name = formula_name, formula_id = formula_id, 
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combformula = combformula, kind = kind, 
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ctypes_sorts = ctypes_sorts}) 
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end 
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fun add_axiom_clause thy ((name, k), th) (skolems, clss) = 
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let 
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val (skolems, cls) = make_clause thy (k, name, Axiom, prop_of th) skolems 
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in (skolems, (name, cls) :: clss) end 
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176 

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fun make_axiom_clauses thy clauses = 
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([], []) > fold_rev (add_axiom_clause thy) clauses > snd 
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179 

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fun make_conjecture_clauses thy = 
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let 
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fun aux _ _ [] = [] 
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 aux n skolems (t :: ts) = 
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let 
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val (skolems, cls) = 
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make_clause thy (n, "conjecture", Conjecture, t) skolems 
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in cls :: aux (n + 1) skolems ts end 
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in aux 0 [] end 
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189 

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(** Helper clauses **) 
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fun count_combterm (CombConst ((s, _), _, _)) = 
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Symtab.map_entry s (Integer.add 1) 
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 count_combterm (CombVar _) = I 
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 count_combterm (CombApp (t1, t2)) = fold count_combterm [t1, t2] 
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fun count_combformula (AQuant (_, _, phi)) = count_combformula phi 
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 count_combformula (AConn (_, phis)) = fold count_combformula phis 
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 count_combformula (APred tm) = count_combterm tm 
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fun count_fol_formula (FOLFormula {combformula, ...}) = 
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count_combformula combformula 
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201 

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fun cnf_helper_thms thy raw = 
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map (`Thm.get_name_hint) 
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#> (if raw then map (apfst (rpair 0)) else Clausifier.cnf_rules_pairs thy true) 
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205 

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val optional_helpers = 
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[(["c_COMBI", "c_COMBK"], (false, @{thms COMBI_def COMBK_def})), 
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(["c_COMBB", "c_COMBC"], (false, @{thms COMBB_def COMBC_def})), 
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(["c_COMBS"], (false, @{thms COMBS_def}))] 
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val optional_typed_helpers = 
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[(["c_True", "c_False"], (true, @{thms True_or_False})), 
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(["c_If"], (true, @{thms if_True if_False True_or_False}))] 
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val mandatory_helpers = @{thms fequal_imp_equal equal_imp_fequal} 
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214 

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val init_counters = 
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Symtab.make (maps (maps (map (rpair 0) o fst)) 
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[optional_helpers, optional_typed_helpers]) 
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218 

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fun get_helper_clauses thy is_FO full_types conjectures axcls = 
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let 
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val axclauses = map snd (make_axiom_clauses thy axcls) 
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val ct = fold (fold count_fol_formula) [conjectures, axclauses] 
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init_counters 
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fun is_needed c = the (Symtab.lookup ct c) > 0 
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val cnfs = 
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(optional_helpers 
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> full_types ? append optional_typed_helpers 
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> maps (fn (ss, (raw, ths)) => 
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if exists is_needed ss then cnf_helper_thms thy raw ths 
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else [])) 
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@ (if is_FO then [] else cnf_helper_thms thy false mandatory_helpers) 
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in map snd (make_axiom_clauses thy cnfs) end 
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233 

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fun negate_prop (@{const Trueprop} $ t) = negate_prop t 
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 negate_prop (@{const Not} $ t) = t 
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 negate_prop t = @{const Not} $ t 
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(* prepare for passing to writer, 
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create additional clauses based on the information from extra_cls *) 
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fun prepare_clauses full_types hyp_ts concl_t axcls extra_cls thy = 
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let 
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val goal_t = Logic.list_implies (hyp_ts, concl_t) 
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val is_FO = Meson.is_fol_term thy goal_t 
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val _ = trace_msg (fn _ => Syntax.string_of_term_global thy goal_t) 
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val axtms = map (prop_of o snd) extra_cls 
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val subs = tfree_classes_of_terms [goal_t] 
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val supers = tvar_classes_of_terms axtms 
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val tycons = type_consts_of_terms thy (goal_t :: axtms) 
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(*TFrees in conjecture clauses; TVars in axiom clauses*) 
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val conjectures = 
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make_conjecture_clauses thy (map negate_prop hyp_ts @ [concl_t]) 
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val (_, extra_clauses) = ListPair.unzip (make_axiom_clauses thy extra_cls) 
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val (clnames, axiom_clauses) = ListPair.unzip (make_axiom_clauses thy axcls) 
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val helper_clauses = 
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get_helper_clauses thy is_FO full_types conjectures extra_cls 
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val (supers', arity_clauses) = make_arity_clauses thy tycons supers 
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val class_rel_clauses = make_class_rel_clauses thy subs supers' 
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in 
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(Vector.fromList clnames, 
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(conjectures, axiom_clauses, extra_clauses, helper_clauses, 
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class_rel_clauses, arity_clauses)) 

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end 
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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 _ :: _)) = 
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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 set_ClauseFormulaRelationN = "set_ClauseFormulaRelation" 
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val parse_clause_formula_pair = 
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$$ "("  scan_integer  $$ ","  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 
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#> Substring.position set_ClauseFormulaRelationN 
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#> snd #> Substring.string #> strip_spaces #> explode 
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284 
#> parse_clause_formula_relation #> fst 
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285 

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286 
fun repair_conjecture_shape_and_theorem_names output conjecture_shape 
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287 
thm_names = 
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288 
if String.isSubstring set_ClauseFormulaRelationN output then 
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289 
let 
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290 
(* FIXME: hd of head once clausification is left to the ATP *) 
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291 
val j0 = hd (List.concat conjecture_shape) 
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292 
val seq = extract_clause_sequence output 
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293 
val name_map = extract_clause_formula_relation output 
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294 
fun renumber_conjecture j = 
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295 
AList.find (op =) name_map (conjecture_prefix ^ Int.toString (j  j0)) 
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296 
> the_single 
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297 
> (fn s => find_index (curry (op =) s) seq + 1) 
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298 
in 
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299 
(conjecture_shape > map (map renumber_conjecture), 
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300 
seq > map (the o AList.lookup (op =) name_map) 
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301 
> map (fn s => case try (unprefix axiom_prefix) s of 
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302 
SOME s' => undo_ascii_of s' 
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303 
 NONE => "") 
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304 
> Vector.fromList) 
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305 
end 
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306 
else 
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307 
(conjecture_shape, thm_names) 
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308 

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309 

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310 
(* generic TPTPbased provers *) 
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311 

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312 
fun generic_tptp_prover 
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313 
(name, {home_var, executable, arguments, proof_delims, known_failures, 
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314 
max_axiom_clauses, prefers_theory_relevant, explicit_forall}) 
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315 
({debug, overlord, full_types, explicit_apply, relevance_threshold, 
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316 
relevance_convergence, theory_relevant, defs_relevant, isar_proof, 
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317 
isar_shrink_factor, ...} : params) 
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318 
minimize_command timeout 
35969  319 
({subgoal, goal, relevance_override, axiom_clauses, filtered_clauses} 
320 
: problem) = 

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321 
let 
31750  322 
(* get clauses and prepare them for writing *) 
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323 
val (ctxt, (_, th)) = goal; 
32942
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324 
val thy = ProofContext.theory_of ctxt; 
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325 
(* ### FIXME: (1) preprocessing for "if" etc. *) 
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326 
val (params, hyp_ts, concl_t) = strip_subgoal th subgoal 
31752
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327 
val the_filtered_clauses = 
37621  328 
case filtered_clauses of 
329 
SOME fcls => fcls 

330 
 NONE => relevant_facts full_types relevance_threshold 

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331 
relevance_convergence defs_relevant max_axiom_clauses 
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332 
(the_default prefers_theory_relevant theory_relevant) 
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333 
relevance_override goal hyp_ts concl_t 
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334 
> Clausifier.cnf_rules_pairs thy true 
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335 
val the_axiom_clauses = axiom_clauses > the_default the_filtered_clauses 
35969  336 
val (internal_thm_names, clauses) = 
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337 
prepare_clauses full_types hyp_ts concl_t the_axiom_clauses 
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338 
the_filtered_clauses thy 
31750  339 

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340 
(* path to unique problem file *) 
36376  341 
val the_dest_dir = if overlord then getenv "ISABELLE_HOME_USER" 
342 
else Config.get ctxt dest_dir; 

343 
val the_problem_prefix = Config.get ctxt problem_prefix; 

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344 
fun prob_pathname nr = 
36143
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345 
let 
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346 
val probfile = 
36568
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347 
Path.basic ((if overlord then "prob_" ^ name 
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348 
else the_problem_prefix ^ serial_string ()) 
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349 
^ "_" ^ string_of_int nr) 
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350 
in 
36376  351 
if the_dest_dir = "" then File.tmp_path probfile 
352 
else if File.exists (Path.explode the_dest_dir) 

353 
then Path.append (Path.explode the_dest_dir) probfile 

354 
else error ("No such directory: " ^ the_dest_dir ^ ".") 

32942
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355 
end; 
32864
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356 

36917
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357 
val home = getenv home_var 
36289
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358 
val command = Path.explode (home ^ "/" ^ executable) 
31750  359 
(* write out problem file and call prover *) 
37514
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360 
fun command_line complete probfile = 
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361 
let 
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362 
val core = File.shell_path command ^ " " ^ arguments complete timeout ^ 
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363 
" " ^ File.shell_path probfile 
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364 
in 
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365 
(if Config.get ctxt measure_runtime then 
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366 
"TIMEFORMAT='%3U'; { time " ^ core ^ " ; }" 
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367 
else 
37962
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368 
"exec " ^ core) ^ " 2>&1" 
37514
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369 
end 
32510  370 
fun split_time s = 
371 
let 

32942
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372 
val split = String.tokens (fn c => str c = "\n"); 
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373 
val (output, t) = s > split > split_last > apfst cat_lines; 
32942
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374 
fun as_num f = f >> (fst o read_int); 
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375 
val num = as_num (Scan.many1 Symbol.is_ascii_digit); 
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376 
val digit = Scan.one Symbol.is_ascii_digit; 
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377 
val num3 = as_num (digit ::: digit ::: (digit >> single)); 
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378 
val time = num  Scan.$$ "."  num3 >> (fn (a, b) => a * 1000 + b); 
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379 
val as_time = the_default 0 o Scan.read Symbol.stopper time o explode; 
36369
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380 
in (output, as_time t) end; 
32458
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381 
fun run_on probfile = 
37962
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382 
if home = "" then 
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383 
error ("The environment variable " ^ quote home_var ^ " is not set.") 
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384 
else if File.exists command then 
37514
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385 
let 
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386 
fun do_run complete = 
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387 
let 
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388 
val command = command_line complete probfile 
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389 
val ((output, msecs), res_code) = 
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390 
bash_output command 
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391 
>> (if overlord then 
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392 
prefix ("% " ^ command ^ "\n% " ^ timestamp () ^ "\n") 
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393 
else 
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changeset

394 
I) 
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395 
>> (if Config.get ctxt measure_runtime then split_time 
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396 
else rpair 0) 
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397 
val (proof, outcome) = 
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398 
extract_proof_and_outcome complete res_code proof_delims 
b147d01b8ebc
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changeset

399 
known_failures output 
b147d01b8ebc
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400 
in (output, msecs, proof, outcome) end 
37643
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37628
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changeset

401 
val readable_names = debug andalso overlord 
37514
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parents:
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changeset

402 
val (pool, conjecture_offset) = 
37994
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blanchet
parents:
37989
diff
changeset

403 
write_tptp_file thy readable_names explicit_forall full_types 
b04307085a09
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blanchet
parents:
37989
diff
changeset

404 
explicit_apply probfile clauses 
37995
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blanchet
parents:
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diff
changeset

405 
val conjecture_shape = 
06f02b15ef8a
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parents:
37994
diff
changeset

406 
conjecture_offset + 1 upto conjecture_offset + length hyp_ts + 1 
06f02b15ef8a
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37994
diff
changeset

407 
> map single (* ### FIXME: get rid of "map single" *) 
37514
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changeset

408 
val result = 
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parents:
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changeset

409 
do_run false 
37550
fc2f979b9a08
split SPASS time slot between SOS and nonSOS, in case SOS times out
blanchet
parents:
37514
diff
changeset

410 
> (fn (_, msecs0, _, SOME _) => 
37514
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parents:
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changeset

411 
do_run true 
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parents:
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changeset

412 
> (fn (output, msecs, proof, outcome) => 
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changeset

413 
(output, msecs0 + msecs, proof, outcome)) 
b147d01b8ebc
if SPASS fails at finding a proof with the SOS option turned on, turn it off and try again
blanchet
parents:
37509
diff
changeset

414 
 result => result) 
b147d01b8ebc
if SPASS fails at finding a proof with the SOS option turned on, turn it off and try again
blanchet
parents:
37509
diff
changeset

415 
in ((pool, conjecture_shape), result) end 
36382  416 
else 
417 
error ("Bad executable: " ^ Path.implode command ^ "."); 

28592  418 

36167
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blanchet
parents:
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diff
changeset

419 
(* If the problem file has not been exported, remove it; otherwise, export 
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parents:
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diff
changeset

420 
the proof file too. *) 
36376  421 
fun cleanup probfile = 
422 
if the_dest_dir = "" then try File.rm probfile else NONE 

37514
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if SPASS fails at finding a proof with the SOS option turned on, turn it off and try again
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changeset

423 
fun export probfile (_, (output, _, _, _)) = 
36376  424 
if the_dest_dir = "" then 
36187  425 
() 
426 
else 

37514
b147d01b8ebc
if SPASS fails at finding a proof with the SOS option turned on, turn it off and try again
blanchet
parents:
37509
diff
changeset

427 
File.write (Path.explode (Path.implode probfile ^ "_proof")) output 
32257
bad5a99c16d8
neg_conjecture_clauses, neg_clausify_tac: proper context, eliminated METAHYPS;
wenzelm
parents:
32091
diff
changeset

428 

37514
b147d01b8ebc
if SPASS fails at finding a proof with the SOS option turned on, turn it off and try again
blanchet
parents:
37509
diff
changeset

429 
val ((pool, conjecture_shape), (output, msecs, proof, outcome)) = 
b147d01b8ebc
if SPASS fails at finding a proof with the SOS option turned on, turn it off and try again
blanchet
parents:
37509
diff
changeset

430 
with_path cleanup export run_on (prob_pathname subgoal) 
37989
ca3041b0f445
reorder SPASS conjectures correctly, based on Flotter output
blanchet
parents:
37962
diff
changeset

431 
val (conjecture_shape, internal_thm_names) = 
ca3041b0f445
reorder SPASS conjectures correctly, based on Flotter output
blanchet
parents:
37962
diff
changeset

432 
repair_conjecture_shape_and_theorem_names output conjecture_shape 
ca3041b0f445
reorder SPASS conjectures correctly, based on Flotter output
blanchet
parents:
37962
diff
changeset

433 
internal_thm_names 
37514
b147d01b8ebc
if SPASS fails at finding a proof with the SOS option turned on, turn it off and try again
blanchet
parents:
37509
diff
changeset

434 

35969  435 
val (message, relevant_thm_names) = 
36370
a4f601daa175
centralized ATPspecific error handling in "atp_wrapper.ML"
blanchet
parents:
36369
diff
changeset

436 
case outcome of 
36400
c5bae529f967
rename options and keep track of conjecture shape (to facilitate proof reconstruction)
blanchet
parents:
36393
diff
changeset

437 
NONE => 
c5bae529f967
rename options and keep track of conjecture shape (to facilitate proof reconstruction)
blanchet
parents:
36393
diff
changeset

438 
proof_text isar_proof 
37480  439 
(pool, debug, isar_shrink_factor, ctxt, conjecture_shape) 
440 
(full_types, minimize_command, proof, internal_thm_names, th, 

441 
subgoal) 

36370
a4f601daa175
centralized ATPspecific error handling in "atp_wrapper.ML"
blanchet
parents:
36369
diff
changeset

442 
 SOME failure => (string_for_failure failure ^ "\n", []) 
32864
a226f29d4bdc
reorganized signature of AtpWrapper structure: records instead of unnamed parameters and return values,
boehmes
parents:
32740
diff
changeset

443 
in 
36393
be73a2b2443b
support readable names even when Isar proof reconstruction is enabled  useful for debugging
blanchet
parents:
36382
diff
changeset

444 
{outcome = outcome, message = message, pool = pool, 
37514
b147d01b8ebc
if SPASS fails at finding a proof with the SOS option turned on, turn it off and try again
blanchet
parents:
37509
diff
changeset

445 
relevant_thm_names = relevant_thm_names, atp_run_time_in_msecs = msecs, 
b147d01b8ebc
if SPASS fails at finding a proof with the SOS option turned on, turn it off and try again
blanchet
parents:
37509
diff
changeset

446 
output = output, proof = proof, internal_thm_names = internal_thm_names, 
36400
c5bae529f967
rename options and keep track of conjecture shape (to facilitate proof reconstruction)
blanchet
parents:
36393
diff
changeset

447 
conjecture_shape = conjecture_shape, 
35969  448 
filtered_clauses = the_filtered_clauses} 
37499
5ff37037fbec
merge "generic_prover" and "generic_tptp_prover"
blanchet
parents:
37498
diff
changeset

449 
end 
28596
fcd463a6b6de
tuned interfaces  plain prover function, without thread;
wenzelm
parents:
28592
diff
changeset

450 

35969  451 
fun tptp_prover name p = (name, generic_tptp_prover (name, p)); 
28596
fcd463a6b6de
tuned interfaces  plain prover function, without thread;
wenzelm
parents:
28592
diff
changeset

452 

36382  453 
fun to_generous_secs time = (Time.toMilliseconds time + 999) div 1000 
36142
f5e15e9aae10
make Sledgehammer "minimize" output less confusing + round up (not down) time limits to nearest second
blanchet
parents:
36064
diff
changeset

454 

28596
fcd463a6b6de
tuned interfaces  plain prover function, without thread;
wenzelm
parents:
28592
diff
changeset

455 
(* E prover *) 
fcd463a6b6de
tuned interfaces  plain prover function, without thread;
wenzelm
parents:
28592
diff
changeset

456 

36369
d2cd0d04b8e6
handle ATP proof delimiters in a cleaner, more extensible fashion
blanchet
parents:
36289
diff
changeset

457 
val tstp_proof_delims = 
d2cd0d04b8e6
handle ATP proof delimiters in a cleaner, more extensible fashion
blanchet
parents:
36289
diff
changeset

458 
("# SZS output start CNFRefutation.", "# SZS output end CNFRefutation") 
d2cd0d04b8e6
handle ATP proof delimiters in a cleaner, more extensible fashion
blanchet
parents:
36289
diff
changeset

459 

35969  460 
val e_config : prover_config = 
36917
8674cdb0b8cc
query _HOME environment variables at runtime, not at buildtime
blanchet
parents:
36910
diff
changeset

461 
{home_var = "E_HOME", 
36289
f75b6a3e1450
set "atps" reference's default value to "(remote_)e (remote_)spass (remote_)vampire", based on what is installed
blanchet
parents:
36287
diff
changeset

462 
executable = "eproof", 
37514
b147d01b8ebc
if SPASS fails at finding a proof with the SOS option turned on, turn it off and try again
blanchet
parents:
37509
diff
changeset

463 
arguments = fn _ => fn timeout => 
36382  464 
"tstpin tstpout l5 xAutoDev tAutoDev silent cpulimit=" ^ 
465 
string_of_int (to_generous_secs timeout), 

36369
d2cd0d04b8e6
handle ATP proof delimiters in a cleaner, more extensible fashion
blanchet
parents:
36289
diff
changeset

466 
proof_delims = [tstp_proof_delims], 
36265
41c9e755e552
distinguish between the different ATP errors in the user interface;
blanchet
parents:
36264
diff
changeset

467 
known_failures = 
37995
06f02b15ef8a
generate full firstorder formulas (FOF) in Sledgehammer
blanchet
parents:
37994
diff
changeset

468 
[(Unprovable, "SZS status: CounterSatisfiable"), 
06f02b15ef8a
generate full firstorder formulas (FOF) in Sledgehammer
blanchet
parents:
37994
diff
changeset

469 
(Unprovable, "SZS status CounterSatisfiable"), 
36370
a4f601daa175
centralized ATPspecific error handling in "atp_wrapper.ML"
blanchet
parents:
36369
diff
changeset

470 
(TimedOut, "Failure: Resource limit exceeded (time)"), 
a4f601daa175
centralized ATPspecific error handling in "atp_wrapper.ML"
blanchet
parents:
36369
diff
changeset

471 
(TimedOut, "time limit exceeded"), 
a4f601daa175
centralized ATPspecific error handling in "atp_wrapper.ML"
blanchet
parents:
36369
diff
changeset

472 
(OutOfResources, 
a4f601daa175
centralized ATPspecific error handling in "atp_wrapper.ML"
blanchet
parents:
36369
diff
changeset

473 
"# Cannot determine problem status within resource limit"), 
a4f601daa175
centralized ATPspecific error handling in "atp_wrapper.ML"
blanchet
parents:
36369
diff
changeset

474 
(OutOfResources, "SZS status: ResourceOut"), 
a4f601daa175
centralized ATPspecific error handling in "atp_wrapper.ML"
blanchet
parents:
36369
diff
changeset

475 
(OutOfResources, "SZS status ResourceOut")], 
36382  476 
max_axiom_clauses = 100, 
37994
b04307085a09
make TPTP generator accept full firstorder formulas
blanchet
parents:
37989
diff
changeset

477 
prefers_theory_relevant = false, 
b04307085a09
make TPTP generator accept full firstorder formulas
blanchet
parents:
37989
diff
changeset

478 
explicit_forall = false} 
35969  479 
val e = tptp_prover "e" e_config 
28596
fcd463a6b6de
tuned interfaces  plain prover function, without thread;
wenzelm
parents:
28592
diff
changeset

480 

fcd463a6b6de
tuned interfaces  plain prover function, without thread;
wenzelm
parents:
28592
diff
changeset

481 

36219
16670b4f0baa
set SPASS option on the commandline, so that it doesn't vanish when moving to TPTP format
blanchet
parents:
36190
diff
changeset

482 
(* The "VarWeight=3" option helps the higherorder problems, probably by 
16670b4f0baa
set SPASS option on the commandline, so that it doesn't vanish when moving to TPTP format
blanchet
parents:
36190
diff
changeset

483 
counteracting the presence of "hAPP". *) 
37498
b426cbdb5a23
removed Sledgehammer's support for the DFG syntax;
blanchet
parents:
37480
diff
changeset

484 
val spass_config : prover_config = 
37962
d7dbe01f48d7
keep track of clause numbers for SPASS now that we generate FOF rather than CNF problems;
blanchet
parents:
37926
diff
changeset

485 
{home_var = "ISABELLE_ATP_MANAGER", 
d7dbe01f48d7
keep track of clause numbers for SPASS now that we generate FOF rather than CNF problems;
blanchet
parents:
37926
diff
changeset

486 
executable = "SPASS_TPTP", 
37550
fc2f979b9a08
split SPASS time slot between SOS and nonSOS, in case SOS times out
blanchet
parents:
37514
diff
changeset

487 
(* "div 2" accounts for the fact that SPASS is often run twice. *) 
37514
b147d01b8ebc
if SPASS fails at finding a proof with the SOS option turned on, turn it off and try again
blanchet
parents:
37509
diff
changeset

488 
arguments = fn complete => fn timeout => 
37962
d7dbe01f48d7
keep track of clause numbers for SPASS now that we generate FOF rather than CNF problems;
blanchet
parents:
37926
diff
changeset

489 
("Auto PGiven=0 PProblem=0 Splits=0 FullRed=0 DocProof \ 
37550
fc2f979b9a08
split SPASS time slot between SOS and nonSOS, in case SOS times out
blanchet
parents:
37514
diff
changeset

490 
\VarWeight=3 TimeLimit=" ^ 
fc2f979b9a08
split SPASS time slot between SOS and nonSOS, in case SOS times out
blanchet
parents:
37514
diff
changeset

491 
string_of_int (to_generous_secs timeout div 2)) 
37514
b147d01b8ebc
if SPASS fails at finding a proof with the SOS option turned on, turn it off and try again
blanchet
parents:
37509
diff
changeset

492 
> not complete ? prefix "SOS=1 ", 
36369
d2cd0d04b8e6
handle ATP proof delimiters in a cleaner, more extensible fashion
blanchet
parents:
36289
diff
changeset

493 
proof_delims = [("Here is a proof", "Formulae used in the proof")], 
36289
f75b6a3e1450
set "atps" reference's default value to "(remote_)e (remote_)spass (remote_)vampire", based on what is installed
blanchet
parents:
36287
diff
changeset

494 
known_failures = 
37413  495 
[(IncompleteUnprovable, "SPASS beiseite: Completion found"), 
36370
a4f601daa175
centralized ATPspecific error handling in "atp_wrapper.ML"
blanchet
parents:
36369
diff
changeset

496 
(TimedOut, "SPASS beiseite: Ran out of time"), 
36965  497 
(OutOfResources, "SPASS beiseite: Maximal number of loops exceeded"), 
37413  498 
(MalformedInput, "Undefined symbol"), 
37414
d0cea0796295
expect SPASS 3.7, and give a friendly warning if an older version is used
blanchet
parents:
37413
diff
changeset

499 
(MalformedInput, "Free Variable"), 
37962
d7dbe01f48d7
keep track of clause numbers for SPASS now that we generate FOF rather than CNF problems;
blanchet
parents:
37926
diff
changeset

500 
(OldSpass, "tptp2dfg")], 
36382  501 
max_axiom_clauses = 40, 
37994
b04307085a09
make TPTP generator accept full firstorder formulas
blanchet
parents:
37989
diff
changeset

502 
prefers_theory_relevant = true, 
b04307085a09
make TPTP generator accept full firstorder formulas
blanchet
parents:
37989
diff
changeset

503 
explicit_forall = true} 
37414
d0cea0796295
expect SPASS 3.7, and give a friendly warning if an older version is used
blanchet
parents:
37413
diff
changeset

504 
val spass = tptp_prover "spass" spass_config 
28596
fcd463a6b6de
tuned interfaces  plain prover function, without thread;
wenzelm
parents:
28592
diff
changeset

505 

37509
f39464d971c4
factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents:
37506
diff
changeset

506 
(* Vampire *) 
f39464d971c4
factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents:
37506
diff
changeset

507 

f39464d971c4
factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents:
37506
diff
changeset

508 
val vampire_config : prover_config = 
f39464d971c4
factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents:
37506
diff
changeset

509 
{home_var = "VAMPIRE_HOME", 
f39464d971c4
factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents:
37506
diff
changeset

510 
executable = "vampire", 
37514
b147d01b8ebc
if SPASS fails at finding a proof with the SOS option turned on, turn it off and try again
blanchet
parents:
37509
diff
changeset

511 
arguments = fn _ => fn timeout => 
37509
f39464d971c4
factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents:
37506
diff
changeset

512 
"output_syntax tptp mode casc t " ^ 
f39464d971c4
factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents:
37506
diff
changeset

513 
string_of_int (to_generous_secs timeout), 
f39464d971c4
factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents:
37506
diff
changeset

514 
proof_delims = 
f39464d971c4
factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents:
37506
diff
changeset

515 
[("=========== Refutation ==========", 
f39464d971c4
factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents:
37506
diff
changeset

516 
"======= End of refutation ======="), 
f39464d971c4
factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents:
37506
diff
changeset

517 
("% SZS output start Refutation", "% SZS output end Refutation")], 
f39464d971c4
factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents:
37506
diff
changeset

518 
known_failures = 
f39464d971c4
factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents:
37506
diff
changeset

519 
[(Unprovable, "UNPROVABLE"), 
f39464d971c4
factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents:
37506
diff
changeset

520 
(IncompleteUnprovable, "CANNOT PROVE"), 
f39464d971c4
factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents:
37506
diff
changeset

521 
(Unprovable, "Satisfiability detected"), 
f39464d971c4
factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents:
37506
diff
changeset

522 
(OutOfResources, "Refutation not found")], 
f39464d971c4
factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents:
37506
diff
changeset

523 
max_axiom_clauses = 60, 
37994
b04307085a09
make TPTP generator accept full firstorder formulas
blanchet
parents:
37989
diff
changeset

524 
prefers_theory_relevant = false, 
b04307085a09
make TPTP generator accept full firstorder formulas
blanchet
parents:
37989
diff
changeset

525 
explicit_forall = false} 
37509
f39464d971c4
factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents:
37506
diff
changeset

526 
val vampire = tptp_prover "vampire" vampire_config 
f39464d971c4
factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents:
37506
diff
changeset

527 

f39464d971c4
factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents:
37506
diff
changeset

528 
(* Remote prover invocation via SystemOnTPTP *) 
28596
fcd463a6b6de
tuned interfaces  plain prover function, without thread;
wenzelm
parents:
28592
diff
changeset

529 

36376  530 
val systems = Synchronized.var "atp_systems" ([]: string list); 
31835  531 

532 
fun get_systems () = 

36370
a4f601daa175
centralized ATPspecific error handling in "atp_wrapper.ML"
blanchet
parents:
36369
diff
changeset

533 
case bash_output "\"$ISABELLE_ATP_MANAGER/SystemOnTPTP\" w" of 
a4f601daa175
centralized ATPspecific error handling in "atp_wrapper.ML"
blanchet
parents:
36369
diff
changeset

534 
(answer, 0) => split_lines answer 
a4f601daa175
centralized ATPspecific error handling in "atp_wrapper.ML"
blanchet
parents:
36369
diff
changeset

535 
 (answer, _) => 
37627  536 
error ("Failed to get available systems at SystemOnTPTP:\n" ^ 
537 
perhaps (try (unsuffix "\n")) answer) 

31835  538 

35867  539 
fun refresh_systems_on_tptp () = 
37509
f39464d971c4
factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents:
37506
diff
changeset

540 
Synchronized.change systems (fn _ => get_systems ()) 
31835  541 

542 
fun get_system prefix = Synchronized.change_result systems (fn systems => 

32864
a226f29d4bdc
reorganized signature of AtpWrapper structure: records instead of unnamed parameters and return values,
boehmes
parents:
32740
diff
changeset

543 
(if null systems then get_systems () else systems) 
32942
b6711ec9de26
misc tuning and recovery of Isabelle coding style;
wenzelm
parents:
32941
diff
changeset

544 
> `(find_first (String.isPrefix prefix))); 
32864
a226f29d4bdc
reorganized signature of AtpWrapper structure: records instead of unnamed parameters and return values,
boehmes
parents:
32740
diff
changeset

545 

32948  546 
fun the_system prefix = 
32864
a226f29d4bdc
reorganized signature of AtpWrapper structure: records instead of unnamed parameters and return values,
boehmes
parents:
32740
diff
changeset

547 
(case get_system prefix of 
37509
f39464d971c4
factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents:
37506
diff
changeset

548 
NONE => error ("System " ^ quote prefix ^ " not available at SystemOnTPTP.") 
32942
b6711ec9de26
misc tuning and recovery of Isabelle coding style;
wenzelm
parents:
32941
diff
changeset

549 
 SOME sys => sys); 
31835  550 

36265
41c9e755e552
distinguish between the different ATP errors in the user interface;
blanchet
parents:
36264
diff
changeset

551 
val remote_known_failures = 
37627  552 
[(CantConnect, "HTTPError"), 
553 
(TimedOut, "says Timeout"), 

36377
b3dce4c715d0
now rename the file "atp_wrapper.ML" to "atp_systems.ML" + fix typo in "SystemOnTPTP" script
blanchet
parents:
36376
diff
changeset

554 
(MalformedOutput, "Remote script could not extract proof")] 
35865  555 

37509
f39464d971c4
factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents:
37506
diff
changeset

556 
fun remote_config atp_prefix args 
36382  557 
({proof_delims, known_failures, max_axiom_clauses, 
37994
b04307085a09
make TPTP generator accept full firstorder formulas
blanchet
parents:
37989
diff
changeset

558 
prefers_theory_relevant, explicit_forall, ...} : prover_config) 
b04307085a09
make TPTP generator accept full firstorder formulas
blanchet
parents:
37989
diff
changeset

559 
: prover_config = 
36917
8674cdb0b8cc
query _HOME environment variables at runtime, not at buildtime
blanchet
parents:
36910
diff
changeset

560 
{home_var = "ISABELLE_ATP_MANAGER", 
36289
f75b6a3e1450
set "atps" reference's default value to "(remote_)e (remote_)spass (remote_)vampire", based on what is installed
blanchet
parents:
36287
diff
changeset

561 
executable = "SystemOnTPTP", 
37514
b147d01b8ebc
if SPASS fails at finding a proof with the SOS option turned on, turn it off and try again
blanchet
parents:
37509
diff
changeset

562 
arguments = fn _ => fn timeout => 
36382  563 
args ^ " t " ^ string_of_int (to_generous_secs timeout) ^ " s " ^ 
564 
the_system atp_prefix, 

36369
d2cd0d04b8e6
handle ATP proof delimiters in a cleaner, more extensible fashion
blanchet
parents:
36289
diff
changeset

565 
proof_delims = insert (op =) tstp_proof_delims proof_delims, 
36265
41c9e755e552
distinguish between the different ATP errors in the user interface;
blanchet
parents:
36264
diff
changeset

566 
known_failures = remote_known_failures @ known_failures, 
36382  567 
max_axiom_clauses = max_axiom_clauses, 
37994
b04307085a09
make TPTP generator accept full firstorder formulas
blanchet
parents:
37989
diff
changeset

568 
prefers_theory_relevant = prefers_theory_relevant, 
b04307085a09
make TPTP generator accept full firstorder formulas
blanchet
parents:
37989
diff
changeset

569 
explicit_forall = explicit_forall} 
28596
fcd463a6b6de
tuned interfaces  plain prover function, without thread;
wenzelm
parents:
28592
diff
changeset

570 

37509
f39464d971c4
factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents:
37506
diff
changeset

571 
fun remote_tptp_prover prover atp_prefix args config = 
f39464d971c4
factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents:
37506
diff
changeset

572 
tptp_prover (remotify (fst prover)) (remote_config atp_prefix args config) 
32864
a226f29d4bdc
reorganized signature of AtpWrapper structure: records instead of unnamed parameters and return values,
boehmes
parents:
32740
diff
changeset

573 

37509
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574 
val remote_e = remote_tptp_prover e "EP" "" e_config 
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575 
val remote_spass = remote_tptp_prover spass "SPASS" "x" spass_config 
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576 
val remote_vampire = remote_tptp_prover vampire "Vampire9" "" vampire_config 
28592  577 

36917
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578 
fun maybe_remote (name, _) ({home_var, ...} : prover_config) = 
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579 
name > getenv home_var = "" ? remotify 
36371
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580 

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581 
fun default_atps_param_value () = 
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582 
space_implode " " [maybe_remote e e_config, maybe_remote spass spass_config, 
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583 
remotify (fst vampire)] 
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584 

37509
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parents:
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changeset

585 
val provers = [e, spass, vampire, remote_e, remote_spass, remote_vampire] 
35867  586 
val prover_setup = fold add_prover provers 
587 

588 
val setup = 

36376  589 
dest_dir_setup 
35867  590 
#> problem_prefix_setup 
591 
#> measure_runtime_setup 

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592 
#> prover_setup 
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28592  594 
end; 