author  blanchet 
Fri, 23 Jul 2010 21:29:29 +0200  
changeset 37962  d7dbe01f48d7 
parent 37926  e6ff246c0cdb 
child 37989  ca3041b0f445 
permissions  rwrr 
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(* 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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(* 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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fun shape_of_clauses _ [] = [] 
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 shape_of_clauses j ([] :: clauses) = [] :: shape_of_clauses j clauses 
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 shape_of_clauses j ((_ :: lits) :: clauses) = 
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let val shape = shape_of_clauses (j + 1) (lits :: clauses) in 
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(j :: hd shape) :: tl shape 
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end 
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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 is_false_literal (FOLLiteral (pos, CombConst ((c, _), _, _))) = 
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c = (if pos then "c_False" else "c_True") 
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 is_false_literal _ = false 
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fun is_true_literal (FOLLiteral (pol, CombConst ((c, _), _, _))) = 
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(pol andalso c = "c_True") orelse 
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(not pol andalso c = "c_False") 
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 is_true_literal _ = false; 
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fun is_tautology (FOLClause {literals,...}) = exists is_true_literal literals 
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(* making axiom and conjecture clauses *) 
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fun make_clause thy (clause_id, axiom_name, kind, th) skolems = 
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let 
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val (skolems, t) = th > prop_of > conceal_skolem_terms clause_id skolems 
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val (lits, ctypes_sorts) = literals_of_term thy t 
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in 
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if forall is_false_literal lits then 
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raise TRIVIAL () 
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else 
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(skolems, 
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FOLClause {clause_id = clause_id, axiom_name = axiom_name, th = th, 
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kind = kind, literals = lits, 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, th) skolems 
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161 
in (skolems, clss > not (is_tautology cls) ? cons (name, cls)) end 
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162 

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163 
fun make_axiom_clauses thy clauses = 
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([], []) > fold_rev (add_axiom_clause thy) clauses > snd 
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165 

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166 
fun make_conjecture_clauses thy = 
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167 
let 
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168 
fun aux _ _ [] = [] 
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169 
 aux n skolems (th :: ths) = 
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170 
let 
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val (skolems, cls) = 
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172 
make_clause thy (n, "conjecture", Conjecture, th) skolems 
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173 
in cls :: aux (n + 1) skolems ths end 
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174 
in aux 0 [] end 
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175 

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176 
(** Helper clauses **) 
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177 

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fun count_combterm (CombConst ((c, _), _, _)) = 
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179 
Symtab.map_entry c (Integer.add 1) 
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180 
 count_combterm (CombVar _) = I 
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181 
 count_combterm (CombApp (t1, t2)) = count_combterm t1 #> count_combterm t2 
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fun count_literal (FOLLiteral (_, t)) = count_combterm t 
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fun count_clause (FOLClause {literals, ...}) = fold count_literal literals 
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184 

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185 
fun cnf_helper_thms thy raw = 
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186 
map (`Thm.get_name_hint) 
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187 
#> (if raw then map (apfst (rpair 0)) else Clausifier.cnf_rules_pairs thy true) 
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188 

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189 
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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192 
(["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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195 
(["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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197 

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val init_counters = 
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Symtab.make (maps (maps (map (rpair 0) o fst)) 
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200 
[optional_helpers, optional_typed_helpers]) 
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201 

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fun get_helper_clauses thy is_FO full_types conjectures axcls = 
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203 
let 
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val axclauses = map snd (make_axiom_clauses thy axcls) 
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val ct = fold (fold count_clause) [conjectures, axclauses] init_counters 
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fun is_needed c = the (Symtab.lookup ct c) > 0 
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207 
val cnfs = 
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208 
(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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212 
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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215 

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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 goal_cls axcls extra_cls thy = 
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219 
let 
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val is_FO = forall (Meson.is_fol_term thy o prop_of) goal_cls 
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val ccls = subtract_cls extra_cls goal_cls 
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222 
val _ = app (fn th => trace_msg (fn _ => Display.string_of_thm_global thy th)) ccls 
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val ccltms = map prop_of ccls 
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and axtms = map (prop_of o snd) extra_cls 
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val subs = tfree_classes_of_terms ccltms 
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226 
and supers = tvar_classes_of_terms axtms 
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227 
and tycons = type_consts_of_terms thy (ccltms @ axtms) 
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228 
(*TFrees in conjecture clauses; TVars in axiom clauses*) 
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229 
val conjectures = make_conjecture_clauses thy ccls 
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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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232 
val helper_clauses = 
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233 
get_helper_clauses thy is_FO full_types conjectures extra_cls 
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234 
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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236 
in 
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237 
(Vector.fromList clnames, 
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(conjectures, axiom_clauses, extra_clauses, helper_clauses, 
239 
class_rel_clauses, arity_clauses)) 

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240 
end 
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241 

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fun extract_clause_sequence output = 
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243 
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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246 
Int.fromString (List.last ss) 
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247 
 extract_num _ = NONE 
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248 
in output > split_lines > map_filter (extract_num o tokens_of) end 
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249 

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val set_ClauseFormulaRelationN = "set_ClauseFormulaRelation" 
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251 

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252 
val parse_clause_formula_pair = 
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$$ "("  scan_integer  $$ ","  Symbol.scan_id  $$ ")" 
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254 
 Scan.option ($$ ",") 
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val parse_clause_formula_relation = 
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256 
Scan.this_string set_ClauseFormulaRelationN  $$ "(" 
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257 
 Scan.repeat parse_clause_formula_pair 
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val extract_clause_formula_relation = 
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259 
Substring.full 
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#> Substring.position set_ClauseFormulaRelationN 
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#> snd #> Substring.string #> strip_spaces #> explode 
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#> parse_clause_formula_relation #> fst 
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263 

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fun repair_theorem_names output thm_names = 
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265 
if String.isSubstring set_ClauseFormulaRelationN output then 
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266 
let 
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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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in 
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seq > map (the o AList.lookup (op =) name_map) 
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> map (fn s => case try (unprefix axiom_prefix) s of 
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SOME s' => undo_ascii_of s' 
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 NONE => "") 
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> Vector.fromList 
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275 
end 
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276 
else 
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thm_names 
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278 

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279 

37499
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280 
(* generic TPTPbased provers *) 
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281 

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282 
fun generic_tptp_prover 
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283 
(name, {home_var, executable, arguments, proof_delims, known_failures, 
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284 
max_axiom_clauses, prefers_theory_relevant}) 
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285 
({debug, overlord, full_types, explicit_apply, relevance_threshold, 
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286 
relevance_convergence, theory_relevant, defs_relevant, isar_proof, 
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287 
isar_shrink_factor, ...} : params) 
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288 
minimize_command timeout 
35969  289 
({subgoal, goal, relevance_override, axiom_clauses, filtered_clauses} 
290 
: problem) = 

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291 
let 
31750  292 
(* get clauses and prepare them for writing *) 
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293 
val (ctxt, (_, th)) = goal; 
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294 
val thy = ProofContext.theory_of ctxt; 
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295 
val goal_clss = #1 (Clausifier.neg_conjecture_clauses ctxt th subgoal) 
36400
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296 
val goal_cls = List.concat goal_clss 
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297 
val the_filtered_clauses = 
37621  298 
case filtered_clauses of 
299 
SOME fcls => fcls 

300 
 NONE => relevant_facts full_types relevance_threshold 

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301 
relevance_convergence defs_relevant max_axiom_clauses 
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302 
(the_default prefers_theory_relevant theory_relevant) 
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303 
relevance_override goal goal_cls 
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304 
> Clausifier.cnf_rules_pairs thy true 
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305 
val the_axiom_clauses = axiom_clauses > the_default the_filtered_clauses 
35969  306 
val (internal_thm_names, clauses) = 
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307 
prepare_clauses full_types goal_cls the_axiom_clauses the_filtered_clauses 
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308 
thy 
31750  309 

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310 
(* path to unique problem file *) 
36376  311 
val the_dest_dir = if overlord then getenv "ISABELLE_HOME_USER" 
312 
else Config.get ctxt dest_dir; 

313 
val the_problem_prefix = Config.get ctxt problem_prefix; 

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314 
fun prob_pathname nr = 
36143
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315 
let 
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316 
val probfile = 
36568
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317 
Path.basic ((if overlord then "prob_" ^ name 
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318 
else the_problem_prefix ^ serial_string ()) 
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319 
^ "_" ^ string_of_int nr) 
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320 
in 
36376  321 
if the_dest_dir = "" then File.tmp_path probfile 
322 
else if File.exists (Path.explode the_dest_dir) 

323 
then Path.append (Path.explode the_dest_dir) probfile 

324 
else error ("No such directory: " ^ the_dest_dir ^ ".") 

32942
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325 
end; 
32864
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326 

36917
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327 
val home = getenv home_var 
36289
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328 
val command = Path.explode (home ^ "/" ^ executable) 
31750  329 
(* write out problem file and call prover *) 
37514
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330 
fun command_line complete probfile = 
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331 
let 
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332 
val core = File.shell_path command ^ " " ^ arguments complete timeout ^ 
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333 
" " ^ File.shell_path probfile 
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334 
in 
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335 
(if Config.get ctxt measure_runtime then 
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336 
"TIMEFORMAT='%3U'; { time " ^ core ^ " ; }" 
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337 
else 
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338 
"exec " ^ core) ^ " 2>&1" 
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339 
end 
32510  340 
fun split_time s = 
341 
let 

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342 
val split = String.tokens (fn c => str c = "\n"); 
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343 
val (output, t) = s > split > split_last > apfst cat_lines; 
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344 
fun as_num f = f >> (fst o read_int); 
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345 
val num = as_num (Scan.many1 Symbol.is_ascii_digit); 
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346 
val digit = Scan.one Symbol.is_ascii_digit; 
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347 
val num3 = as_num (digit ::: digit ::: (digit >> single)); 
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348 
val time = num  Scan.$$ "."  num3 >> (fn (a, b) => a * 1000 + b); 
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349 
val as_time = the_default 0 o Scan.read Symbol.stopper time o explode; 
36369
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350 
in (output, as_time t) end; 
32458
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351 
fun run_on probfile = 
37962
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352 
if home = "" then 
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353 
error ("The environment variable " ^ quote home_var ^ " is not set.") 
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354 
else if File.exists command then 
37514
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355 
let 
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356 
fun do_run complete = 
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357 
let 
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358 
val command = command_line complete probfile 
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359 
val ((output, msecs), res_code) = 
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360 
bash_output command 
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361 
>> (if overlord then 
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362 
prefix ("% " ^ command ^ "\n% " ^ timestamp () ^ "\n") 
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363 
else 
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364 
I) 
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365 
>> (if Config.get ctxt measure_runtime then split_time 
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366 
else rpair 0) 
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367 
val (proof, outcome) = 
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368 
extract_proof_and_outcome complete res_code proof_delims 
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369 
known_failures output 
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370 
in (output, msecs, proof, outcome) end 
37643
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371 
val readable_names = debug andalso overlord 
37514
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372 
val (pool, conjecture_offset) = 
37643
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373 
write_tptp_file thy readable_names full_types explicit_apply 
37514
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374 
probfile clauses 
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375 
val conjecture_shape = shape_of_clauses (conjecture_offset + 1) goal_clss 
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376 
val result = 
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377 
do_run false 
37550
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378 
> (fn (_, msecs0, _, SOME _) => 
37514
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379 
do_run true 
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380 
> (fn (output, msecs, proof, outcome) => 
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381 
(output, msecs0 + msecs, proof, outcome)) 
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382 
 result => result) 
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383 
in ((pool, conjecture_shape), result) end 
36382  384 
else 
385 
error ("Bad executable: " ^ Path.implode command ^ "."); 

28592  386 

36167
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387 
(* If the problem file has not been exported, remove it; otherwise, export 
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388 
the proof file too. *) 
36376  389 
fun cleanup probfile = 
390 
if the_dest_dir = "" then try File.rm probfile else NONE 

37514
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391 
fun export probfile (_, (output, _, _, _)) = 
36376  392 
if the_dest_dir = "" then 
36187  393 
() 
394 
else 

37514
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395 
File.write (Path.explode (Path.implode probfile ^ "_proof")) output 
32257
bad5a99c16d8
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changeset

396 

37514
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397 
val ((pool, conjecture_shape), (output, msecs, proof, outcome)) = 
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398 
with_path cleanup export run_on (prob_pathname subgoal) 
37962
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changeset

399 
val internal_thm_names = repair_theorem_names output internal_thm_names 
37514
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400 

35969  401 
val (message, relevant_thm_names) = 
36370
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blanchet
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changeset

402 
case outcome of 
36400
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changeset

403 
NONE => 
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changeset

404 
proof_text isar_proof 
37480  405 
(pool, debug, isar_shrink_factor, ctxt, conjecture_shape) 
406 
(full_types, minimize_command, proof, internal_thm_names, th, 

407 
subgoal) 

36370
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changeset

408 
 SOME failure => (string_for_failure failure ^ "\n", []) 
32864
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changeset

409 
in 
36393
be73a2b2443b
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blanchet
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36382
diff
changeset

410 
{outcome = outcome, message = message, pool = pool, 
37514
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411 
relevant_thm_names = relevant_thm_names, atp_run_time_in_msecs = msecs, 
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412 
output = output, proof = proof, internal_thm_names = internal_thm_names, 
36400
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413 
conjecture_shape = conjecture_shape, 
35969  414 
filtered_clauses = the_filtered_clauses} 
37499
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changeset

415 
end 
28596
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changeset

416 

35969  417 
fun tptp_prover name p = (name, generic_tptp_prover (name, p)); 
28596
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changeset

418 

36382  419 
fun to_generous_secs time = (Time.toMilliseconds time + 999) div 1000 
36142
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changeset

420 

28596
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421 
(* E prover *) 
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422 

36369
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423 
val tstp_proof_delims = 
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424 
("# SZS output start CNFRefutation.", "# SZS output end CNFRefutation") 
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changeset

425 

35969  426 
val e_config : prover_config = 
36917
8674cdb0b8cc
query _HOME environment variables at runtime, not at buildtime
blanchet
parents:
36910
diff
changeset

427 
{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

428 
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

429 
arguments = fn _ => fn timeout => 
36382  430 
"tstpin tstpout l5 xAutoDev tAutoDev silent cpulimit=" ^ 
431 
string_of_int (to_generous_secs timeout), 

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

432 
proof_delims = [tstp_proof_delims], 
36265
41c9e755e552
distinguish between the different ATP errors in the user interface;
blanchet
parents:
36264
diff
changeset

433 
known_failures = 
36370
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centralized ATPspecific error handling in "atp_wrapper.ML"
blanchet
parents:
36369
diff
changeset

434 
[(Unprovable, "SZS status: Satisfiable"), 
a4f601daa175
centralized ATPspecific error handling in "atp_wrapper.ML"
blanchet
parents:
36369
diff
changeset

435 
(Unprovable, "SZS status Satisfiable"), 
a4f601daa175
centralized ATPspecific error handling in "atp_wrapper.ML"
blanchet
parents:
36369
diff
changeset

436 
(TimedOut, "Failure: Resource limit exceeded (time)"), 
a4f601daa175
centralized ATPspecific error handling in "atp_wrapper.ML"
blanchet
parents:
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diff
changeset

437 
(TimedOut, "time limit exceeded"), 
a4f601daa175
centralized ATPspecific error handling in "atp_wrapper.ML"
blanchet
parents:
36369
diff
changeset

438 
(OutOfResources, 
a4f601daa175
centralized ATPspecific error handling in "atp_wrapper.ML"
blanchet
parents:
36369
diff
changeset

439 
"# Cannot determine problem status within resource limit"), 
a4f601daa175
centralized ATPspecific error handling in "atp_wrapper.ML"
blanchet
parents:
36369
diff
changeset

440 
(OutOfResources, "SZS status: ResourceOut"), 
a4f601daa175
centralized ATPspecific error handling in "atp_wrapper.ML"
blanchet
parents:
36369
diff
changeset

441 
(OutOfResources, "SZS status ResourceOut")], 
36382  442 
max_axiom_clauses = 100, 
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

443 
prefers_theory_relevant = false} 
35969  444 
val e = tptp_prover "e" e_config 
28596
fcd463a6b6de
tuned interfaces  plain prover function, without thread;
wenzelm
parents:
28592
diff
changeset

445 

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

446 

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

447 
(* 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

448 
counteracting the presence of "hAPP". *) 
37498
b426cbdb5a23
removed Sledgehammer's support for the DFG syntax;
blanchet
parents:
37480
diff
changeset

449 
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

450 
{home_var = "ISABELLE_ATP_MANAGER", 
d7dbe01f48d7
keep track of clause numbers for SPASS now that we generate FOF rather than CNF problems;
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parents:
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diff
changeset

451 
executable = "SPASS_TPTP", 
37550
fc2f979b9a08
split SPASS time slot between SOS and nonSOS, in case SOS times out
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parents:
37514
diff
changeset

452 
(* "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

453 
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

454 
("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

455 
\VarWeight=3 TimeLimit=" ^ 
fc2f979b9a08
split SPASS time slot between SOS and nonSOS, in case SOS times out
blanchet
parents:
37514
diff
changeset

456 
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

457 
> not complete ? prefix "SOS=1 ", 
36369
d2cd0d04b8e6
handle ATP proof delimiters in a cleaner, more extensible fashion
blanchet
parents:
36289
diff
changeset

458 
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

459 
known_failures = 
37413  460 
[(IncompleteUnprovable, "SPASS beiseite: Completion found"), 
36370
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centralized ATPspecific error handling in "atp_wrapper.ML"
blanchet
parents:
36369
diff
changeset

461 
(TimedOut, "SPASS beiseite: Ran out of time"), 
36965  462 
(OutOfResources, "SPASS beiseite: Maximal number of loops exceeded"), 
37413  463 
(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

464 
(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

465 
(OldSpass, "tptp2dfg")], 
36382  466 
max_axiom_clauses = 40, 
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

467 
prefers_theory_relevant = true} 
37414
d0cea0796295
expect SPASS 3.7, and give a friendly warning if an older version is used
blanchet
parents:
37413
diff
changeset

468 
val spass = tptp_prover "spass" spass_config 
28596
fcd463a6b6de
tuned interfaces  plain prover function, without thread;
wenzelm
parents:
28592
diff
changeset

469 

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

470 
(* Vampire *) 
f39464d971c4
factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents:
37506
diff
changeset

471 

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

472 
val vampire_config : prover_config = 
f39464d971c4
factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents:
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diff
changeset

473 
{home_var = "VAMPIRE_HOME", 
f39464d971c4
factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents:
37506
diff
changeset

474 
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

475 
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

476 
"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

477 
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

478 
proof_delims = 
f39464d971c4
factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents:
37506
diff
changeset

479 
[("=========== Refutation ==========", 
f39464d971c4
factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents:
37506
diff
changeset

480 
"======= End of refutation ======="), 
f39464d971c4
factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents:
37506
diff
changeset

481 
("% 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

482 
known_failures = 
f39464d971c4
factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents:
37506
diff
changeset

483 
[(Unprovable, "UNPROVABLE"), 
f39464d971c4
factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents:
37506
diff
changeset

484 
(IncompleteUnprovable, "CANNOT PROVE"), 
f39464d971c4
factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents:
37506
diff
changeset

485 
(Unprovable, "Satisfiability detected"), 
f39464d971c4
factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents:
37506
diff
changeset

486 
(OutOfResources, "Refutation not found")], 
f39464d971c4
factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents:
37506
diff
changeset

487 
max_axiom_clauses = 60, 
f39464d971c4
factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents:
37506
diff
changeset

488 
prefers_theory_relevant = false} 
f39464d971c4
factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents:
37506
diff
changeset

489 
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

490 

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

491 
(* Remote prover invocation via SystemOnTPTP *) 
28596
fcd463a6b6de
tuned interfaces  plain prover function, without thread;
wenzelm
parents:
28592
diff
changeset

492 

36376  493 
val systems = Synchronized.var "atp_systems" ([]: string list); 
31835  494 

495 
fun get_systems () = 

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

496 
case bash_output "\"$ISABELLE_ATP_MANAGER/SystemOnTPTP\" w" of 
a4f601daa175
centralized ATPspecific error handling in "atp_wrapper.ML"
blanchet
parents:
36369
diff
changeset

497 
(answer, 0) => split_lines answer 
a4f601daa175
centralized ATPspecific error handling in "atp_wrapper.ML"
blanchet
parents:
36369
diff
changeset

498 
 (answer, _) => 
37627  499 
error ("Failed to get available systems at SystemOnTPTP:\n" ^ 
500 
perhaps (try (unsuffix "\n")) answer) 

31835  501 

35867  502 
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

503 
Synchronized.change systems (fn _ => get_systems ()) 
31835  504 

505 
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

506 
(if null systems then get_systems () else systems) 
32942
b6711ec9de26
misc tuning and recovery of Isabelle coding style;
wenzelm
parents:
32941
diff
changeset

507 
> `(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

508 

32948  509 
fun the_system prefix = 
32864
a226f29d4bdc
reorganized signature of AtpWrapper structure: records instead of unnamed parameters and return values,
boehmes
parents:
32740
diff
changeset

510 
(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

511 
NONE => error ("System " ^ quote prefix ^ " not available at SystemOnTPTP.") 
32942
b6711ec9de26
misc tuning and recovery of Isabelle coding style;
wenzelm
parents:
32941
diff
changeset

512 
 SOME sys => sys); 
31835  513 

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

514 
val remote_known_failures = 
37627  515 
[(CantConnect, "HTTPError"), 
516 
(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

517 
(MalformedOutput, "Remote script could not extract proof")] 
35865  518 

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

519 
fun remote_config atp_prefix args 
36382  520 
({proof_delims, known_failures, max_axiom_clauses, 
36369
d2cd0d04b8e6
handle ATP proof delimiters in a cleaner, more extensible fashion
blanchet
parents:
36289
diff
changeset

521 
prefers_theory_relevant, ...} : prover_config) : prover_config = 
36917
8674cdb0b8cc
query _HOME environment variables at runtime, not at buildtime
blanchet
parents:
36910
diff
changeset

522 
{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

523 
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

524 
arguments = fn _ => fn timeout => 
36382  525 
args ^ " t " ^ string_of_int (to_generous_secs timeout) ^ " s " ^ 
526 
the_system atp_prefix, 

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

527 
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

528 
known_failures = remote_known_failures @ known_failures, 
36382  529 
max_axiom_clauses = max_axiom_clauses, 
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

530 
prefers_theory_relevant = prefers_theory_relevant} 
28596
fcd463a6b6de
tuned interfaces  plain prover function, without thread;
wenzelm
parents:
28592
diff
changeset

531 

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

532 
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

533 
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

534 

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

535 
val remote_e = remote_tptp_prover e "EP" "" e_config 
f39464d971c4
factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents:
37506
diff
changeset

536 
val remote_spass = remote_tptp_prover spass "SPASS" "x" spass_config 
f39464d971c4
factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents:
37506
diff
changeset

537 
val remote_vampire = remote_tptp_prover vampire "Vampire9" "" vampire_config 
28592  538 

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

539 
fun maybe_remote (name, _) ({home_var, ...} : prover_config) = 
8674cdb0b8cc
query _HOME environment variables at runtime, not at buildtime
blanchet
parents:
36910
diff
changeset

540 
name > getenv home_var = "" ? remotify 
36371
8c83ea1a7740
move the Sledgehammer menu options to "sledgehammer_isar.ML"
blanchet
parents:
36370
diff
changeset

541 

8c83ea1a7740
move the Sledgehammer menu options to "sledgehammer_isar.ML"
blanchet
parents:
36370
diff
changeset

542 
fun default_atps_param_value () = 
8c83ea1a7740
move the Sledgehammer menu options to "sledgehammer_isar.ML"
blanchet
parents:
36370
diff
changeset

543 
space_implode " " [maybe_remote e e_config, maybe_remote spass spass_config, 
8c83ea1a7740
move the Sledgehammer menu options to "sledgehammer_isar.ML"
blanchet
parents:
36370
diff
changeset

544 
remotify (fst vampire)] 
8c83ea1a7740
move the Sledgehammer menu options to "sledgehammer_isar.ML"
blanchet
parents:
36370
diff
changeset

545 

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

546 
val provers = [e, spass, vampire, remote_e, remote_spass, remote_vampire] 
35867  547 
val prover_setup = fold add_prover provers 
548 

549 
val setup = 

36376  550 
dest_dir_setup 
35867  551 
#> problem_prefix_setup 
552 
#> measure_runtime_setup 

36371
8c83ea1a7740
move the Sledgehammer menu options to "sledgehammer_isar.ML"
blanchet
parents:
36370
diff
changeset

553 
#> prover_setup 
35867  554 

28592  555 
end; 