author  blanchet 
Wed, 28 Jul 2010 18:32:54 +0200  
changeset 38041  3b80d6082131 
parent 38033  df99f022751d 
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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datatype failure = 
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Unprovable  IncompleteUnprovable  CantConnect  TimedOut  

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OutOfResources  OldSpass  MalformedInput  MalformedOutput  UnknownError 

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type prover_config = 

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{executable: string * string, 
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required_executables: (string * string) list, 

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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_new_relevant_facts_per_iter: int, 

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prefers_theory_relevant: bool, 

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explicit_forall: bool} 

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val add_prover: string * prover_config > theory > theory 

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val get_prover: theory > string > prover_config 

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val available_atps: theory > unit 

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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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(* prover configuration *) 
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datatype failure = 
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Unprovable  IncompleteUnprovable  CantConnect  TimedOut  OutOfResources  

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OldSpass  MalformedInput  MalformedOutput  UnknownError 

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type prover_config = 
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{executable: string * string, 
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required_executables: (string * string) list, 

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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_new_relevant_facts_per_iter: int, 
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prefers_theory_relevant: bool, 
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explicit_forall: bool} 
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(* named provers *) 
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structure Data = Theory_Data 
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( 

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type T = (prover_config * stamp) Symtab.table 

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val empty = Symtab.empty 

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val extend = I 

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fun merge data : T = Symtab.merge (eq_snd op =) data 

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handle Symtab.DUP name => error ("Duplicate ATP: " ^ quote name ^ ".") 

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) 

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fun add_prover (name, config) thy = 
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Data.map (Symtab.update_new (name, (config, stamp ()))) thy 

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handle Symtab.DUP name => error ("Duplicate ATP: " ^ quote name ^ ".") 

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fun get_prover thy name = 
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the (Symtab.lookup (Data.get thy) name) > fst 

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handle Option.Option => error ("Unknown ATP: " ^ name ^ ".") 

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fun available_atps thy = 
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priority ("Available ATPs: " ^ 

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commas (sort_strings (Symtab.keys (Data.get thy))) ^ ".") 

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fun available_atps thy = 
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priority ("Available ATPs: " ^ 

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commas (sort_strings (Symtab.keys (Data.get thy))) ^ ".") 

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fun to_generous_secs time = (Time.toMilliseconds time + 999) div 1000 
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(* E prover *) 
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val tstp_proof_delims = 
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("# SZS output start CNFRefutation.", "# SZS output end CNFRefutation") 
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val e_config : prover_config = 
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{executable = ("E_HOME", "eproof"), 
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required_executables = [], 

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

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proof_delims = [tstp_proof_delims], 
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known_failures = 
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[(Unprovable, "SZS status: CounterSatisfiable"), 
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(Unprovable, "SZS status CounterSatisfiable"), 
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(TimedOut, "Failure: Resource limit exceeded (time)"), 
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(TimedOut, "time limit exceeded"), 
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(OutOfResources, 
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"# Cannot determine problem status within resource limit"), 
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(OutOfResources, "SZS status: ResourceOut"), 
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(OutOfResources, "SZS status ResourceOut")], 
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max_new_relevant_facts_per_iter = 80 (* FIXME *), 
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prefers_theory_relevant = false, 
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explicit_forall = false} 
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val e = ("e", e_config) 
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(* The "VarWeight=3" option helps the higherorder problems, probably by 
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counteracting the presence of "hAPP". *) 
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val spass_config : prover_config = 
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{executable = ("ISABELLE_ATP_MANAGER", "scripts/spass"), 
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required_executables = [("SPASS_HOME", "SPASS")], 
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(* "div 2" accounts for the fact that SPASS is often run twice. *) 
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arguments = fn complete => fn timeout => 
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("Auto PGiven=0 PProblem=0 Splits=0 FullRed=0 DocProof \ 
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\VarWeight=3 TimeLimit=" ^ 
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string_of_int (to_generous_secs timeout div 2)) 
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> not complete ? prefix "SOS=1 ", 
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proof_delims = [("Here is a proof", "Formulae used in the proof")], 
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known_failures = 
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[(IncompleteUnprovable, "SPASS beiseite: Completion found"), 
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(TimedOut, "SPASS beiseite: Ran out of time"), 
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(OutOfResources, "SPASS beiseite: Maximal number of loops exceeded"), 
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(MalformedInput, "Undefined symbol"), 
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(MalformedInput, "Free Variable"), 
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(OldSpass, "tptp2dfg")], 
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max_new_relevant_facts_per_iter = 26 (* FIXME *), 
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prefers_theory_relevant = true, 
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explicit_forall = true} 
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val spass = ("spass", spass_config) 
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(* Vampire *) 
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val vampire_config : prover_config = 
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{executable = ("VAMPIRE_HOME", "vampire"), 
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required_executables = [], 

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arguments = fn _ => fn timeout => 
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"mode casc t " ^ string_of_int (to_generous_secs timeout) ^ 
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" input_file ", 

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proof_delims = 
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[("=========== Refutation ==========", 
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"======= End of refutation ======="), 
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("% SZS output start Refutation", "% SZS output end Refutation"), 
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("% SZS output start Proof", "% SZS output end Proof")], 

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known_failures = 
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[(Unprovable, "UNPROVABLE"), 
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(IncompleteUnprovable, "CANNOT PROVE"), 
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(Unprovable, "Satisfiability detected"), 
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(OutOfResources, "Refutation not found")], 
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max_new_relevant_facts_per_iter = 40 (* FIXME *), 
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prefers_theory_relevant = false, 
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explicit_forall = false} 
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val vampire = ("vampire", vampire_config) 
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(* Remote prover invocation via SystemOnTPTP *) 
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val systems = Synchronized.var "atp_systems" ([]: string list) 
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fun get_systems () = 

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case bash_output "\"$ISABELLE_ATP_MANAGER/scripts/remote_atp\" w" of 
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(answer, 0) => split_lines answer 
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 (answer, _) => 
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error ("Failed to get available systems at SystemOnTPTP:\n" ^ 
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perhaps (try (unsuffix "\n")) answer) 

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fun refresh_systems_on_tptp () = 
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Synchronized.change systems (fn _ => get_systems ()) 
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fun get_system prefix = Synchronized.change_result systems (fn systems => 

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(if null systems then get_systems () else systems) 
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> `(find_first (String.isPrefix prefix))); 
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fun the_system prefix = 
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(case get_system prefix of 
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NONE => error ("System " ^ quote prefix ^ " not available at SystemOnTPTP.") 
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 SOME sys => sys); 
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val remote_known_failures = 
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[(CantConnect, "HTTPError"), 
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(TimedOut, "says Timeout"), 

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(MalformedOutput, "Remote script could not extract proof")] 
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fun remote_config atp_prefix 
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({proof_delims, known_failures, max_new_relevant_facts_per_iter, 
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prefers_theory_relevant, explicit_forall, ...} : prover_config) 
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: prover_config = 
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{executable = ("ISABELLE_ATP_MANAGER", "scripts/remote_atp"), 
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required_executables = [], 
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arguments = fn _ => fn timeout => 
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" t " ^ string_of_int (to_generous_secs timeout) ^ " s " ^ 
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the_system atp_prefix, 
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proof_delims = insert (op =) tstp_proof_delims proof_delims, 
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known_failures = remote_known_failures @ known_failures, 
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max_new_relevant_facts_per_iter = max_new_relevant_facts_per_iter, 
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195 
prefers_theory_relevant = prefers_theory_relevant, 
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196 
explicit_forall = explicit_forall} 
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197 

38023  198 
val remote_name = prefix "remote_" 
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199 

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200 
fun remote_prover (name, config) atp_prefix = 
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201 
(remote_name name, remote_config atp_prefix config) 
38023  202 

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203 
val remote_e = remote_prover e "EP" 
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204 
val remote_vampire = remote_prover vampire "Vampire9" 
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206 
fun is_installed ({executable, required_executables, ...} : prover_config) = 
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207 
forall (curry (op <>) "" o getenv o fst) (executable :: required_executables) 
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208 
fun maybe_remote (name, config) = 
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209 
name > not (is_installed config) ? remote_name 
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210 

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211 
fun default_atps_param_value () = 
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212 
space_implode " " ([maybe_remote e] @ 
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213 
(if is_installed (snd spass) then [fst spass] else []) @ 
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214 
[remote_name (fst vampire)]) 
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215 

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216 
val provers = [e, spass, vampire, remote_e, remote_vampire] 
38023  217 
val setup = fold add_prover provers 
35867  218 

28592  219 
end; 