author | blanchet |
Fri, 04 Apr 2014 11:49:47 +0200 | |
changeset 56397 | 6e08b45432f6 |
parent 55192 | b75b52c7cf94 |
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permissions | -rw-r--r-- |
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(* Title: HOL/Tools/ATP/atp_proof.ML |
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Author: Lawrence C. Paulson, Cambridge University Computer Laboratory |
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Author: Claire Quigley, Cambridge University Computer Laboratory |
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Author: Jasmin Blanchette, TU Muenchen |
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Abstract representation of ATP proofs and TSTP/SPASS syntax. |
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*) |
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signature ATP_PROOF = |
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sig |
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type 'a atp_type = 'a ATP_Problem.atp_type |
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type ('a, 'b) atp_term = ('a, 'b) ATP_Problem.atp_term |
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type atp_formula_role = ATP_Problem.atp_formula_role |
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type ('a, 'b, 'c, 'd) atp_formula = ('a, 'b, 'c, 'd) ATP_Problem.atp_formula |
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type 'a atp_problem = 'a ATP_Problem.atp_problem |
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exception UNRECOGNIZED_ATP_PROOF of unit |
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datatype atp_failure = |
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Unprovable | |
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GaveUp | |
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ProofMissing | |
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ProofIncomplete | |
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UnsoundProof of bool * string list | |
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CantConnect | |
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TimedOut | |
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Inappropriate | |
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OutOfResources | |
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NoPerl | |
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NoLibwwwPerl | |
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MalformedInput | |
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MalformedOutput | |
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Interrupted | |
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Crashed | |
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InternalError | |
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UnknownError of string |
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type atp_step_name = string * string list |
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type ('a, 'b) atp_step = |
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atp_step_name * atp_formula_role * 'a * 'b * atp_step_name list |
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type 'a atp_proof = (('a, 'a, ('a, 'a atp_type) atp_term, 'a) atp_formula, string) atp_step list |
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val agsyhol_core_rule : string |
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val satallax_core_rule : string |
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val spass_input_rule : string |
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val spass_pre_skolemize_rule : string |
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val spass_skolemize_rule : string |
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val short_output : bool -> string -> string |
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val string_of_atp_failure : atp_failure -> string |
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val extract_important_message : string -> string |
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val extract_known_atp_failure : (atp_failure * string) list -> string -> atp_failure option |
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val extract_tstplike_proof_and_outcome : |
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bool -> (string * string) list -> (atp_failure * string) list -> string |
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-> string * atp_failure option |
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val is_same_atp_step : atp_step_name -> atp_step_name -> bool |
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val scan_general_id : string list -> string * string list |
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val parse_formula : string list -> |
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(string, string atp_type, (string, string atp_type) atp_term, string) atp_formula * string list |
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val atp_proof_of_tstplike_proof : string atp_problem -> string -> string atp_proof |
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val clean_up_atp_proof_dependencies : string atp_proof -> string atp_proof |
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val map_term_names_in_atp_proof : (string -> string) -> string atp_proof -> string atp_proof |
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val nasty_atp_proof : string Symtab.table -> string atp_proof -> string atp_proof |
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end; |
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structure ATP_Proof : ATP_PROOF = |
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struct |
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open ATP_Util |
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open ATP_Problem |
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val agsyhol_core_rule = "__agsyhol_core" (* arbitrary *) |
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val satallax_core_rule = "__satallax_core" (* arbitrary *) |
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val spass_input_rule = "Inp" |
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val spass_pre_skolemize_rule = "__Sko0" (* arbitrary *) |
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val spass_skolemize_rule = "__Sko" (* arbitrary *) |
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exception UNRECOGNIZED_ATP_PROOF of unit |
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datatype atp_failure = |
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Unprovable | |
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GaveUp | |
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ProofMissing | |
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ProofIncomplete | |
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UnsoundProof of bool * string list | |
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CantConnect | |
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TimedOut | |
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Inappropriate | |
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OutOfResources | |
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NoPerl | |
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NoLibwwwPerl | |
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MalformedInput | |
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MalformedOutput | |
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Interrupted | |
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Crashed | |
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InternalError | |
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UnknownError of string |
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fun short_output verbose output = |
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if verbose then |
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if output = "" then "No details available" else elide_string 1000 output |
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else |
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"" |
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val missing_message_tail = |
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" appears to be missing. You will need to install it if you want to invoke \ |
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\remote provers." |
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fun from_lemmas [] = "" |
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| from_lemmas ss = " from " ^ space_implode " " (Try.serial_commas "and" (map quote ss)) |
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fun string_of_atp_failure Unprovable = "The generated problem is unprovable." |
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| string_of_atp_failure GaveUp = "The prover gave up." |
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| string_of_atp_failure ProofMissing = |
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"The prover claims the conjecture is a theorem but did not provide a proof." |
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| string_of_atp_failure ProofIncomplete = |
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"The prover claims the conjecture is a theorem but provided an incomplete \ |
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\(or unparsable) proof." |
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| string_of_atp_failure (UnsoundProof (false, ss)) = |
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"The prover derived \"False\"" ^ from_lemmas ss ^ |
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". Specify a sound type encoding or omit the \"type_enc\" option." |
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| string_of_atp_failure (UnsoundProof (true, ss)) = |
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"The prover derived \"False\"" ^ from_lemmas ss ^ |
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". This could be due to inconsistent axioms (including \"sorry\"s) or to \ |
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\a bug in Sledgehammer. If the problem persists, please contact the \ |
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\Isabelle developers." |
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| string_of_atp_failure CantConnect = "Cannot connect to remote server." |
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| string_of_atp_failure TimedOut = "Timed out." |
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| string_of_atp_failure Inappropriate = |
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"The generated problem lies outside the prover's scope." |
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| string_of_atp_failure OutOfResources = "The prover ran out of resources." |
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| string_of_atp_failure NoPerl = "Perl" ^ missing_message_tail |
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| string_of_atp_failure NoLibwwwPerl = |
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"The Perl module \"libwww-perl\"" ^ missing_message_tail |
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| string_of_atp_failure MalformedInput = |
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"The generated problem is malformed. Please report this to the Isabelle \ |
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\developers." |
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| string_of_atp_failure MalformedOutput = "The prover output is malformed." |
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| string_of_atp_failure Interrupted = "The prover was interrupted." |
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| string_of_atp_failure Crashed = "The prover crashed." |
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| string_of_atp_failure InternalError = "An internal prover error occurred." |
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143 |
| string_of_atp_failure (UnknownError s) = |
41744 | 144 |
"A prover error occurred" ^ |
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145 |
(if s = "" then ". (Pass the \"verbose\" option for details.)" |
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146 |
else ":\n" ^ s) |
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147 |
|
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148 |
fun extract_delimited (begin_delim, end_delim) output = |
56397 | 149 |
(case first_field begin_delim output of |
150 |
SOME (_, tail) => |
|
151 |
(case first_field "\n" tail of |
|
152 |
SOME (_, tail') => |
|
153 |
if end_delim = "" then |
|
154 |
tail' |
|
155 |
else |
|
156 |
(case first_field end_delim tail' of |
|
157 |
SOME (body, _) => body |
|
158 |
| NONE => "") |
|
159 |
| NONE => "") |
|
160 |
| NONE => "") |
|
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|
161 |
|
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|
162 |
val tstp_important_message_delims = |
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163 |
("% SZS start RequiredInformation", "% SZS end RequiredInformation") |
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|
164 |
|
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|
165 |
fun extract_important_message output = |
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166 |
(case extract_delimited tstp_important_message_delims output of |
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167 |
"" => "" |
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|
168 |
| s => s |> space_explode "\n" |> filter_out (curry (op =) "") |
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169 |
|> map (perhaps (try (unprefix "%"))) |
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170 |
|> map (perhaps (try (unprefix " "))) |
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171 |
|> space_implode "\n " |> quote) |
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|
172 |
|
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|
173 |
(* Splits by the first possible of a list of delimiters. *) |
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|
174 |
fun extract_tstplike_proof delims output = |
56397 | 175 |
(case pairself (find_first (fn s => String.isSubstring s output)) (ListPair.unzip delims) of |
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176 |
(SOME begin_delim, SOME end_delim) => extract_delimited (begin_delim, end_delim) output |
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177 |
| _ => "") |
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|
178 |
|
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179 |
fun extract_known_atp_failure known_failures output = |
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180 |
known_failures |
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181 |
|> find_first (fn (_, pattern) => String.isSubstring pattern output) |
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182 |
|> Option.map fst |
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|
183 |
|
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184 |
fun extract_tstplike_proof_and_outcome verbose proof_delims known_failures |
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185 |
output = |
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186 |
(case (extract_tstplike_proof proof_delims output, |
56397 | 187 |
extract_known_atp_failure known_failures output) of |
48700 | 188 |
(_, SOME ProofIncomplete) => ("", NONE) |
43246 | 189 |
| ("", SOME ProofMissing) => ("", NONE) |
190 |
| ("", NONE) => ("", SOME (UnknownError (short_output verbose output))) |
|
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191 |
| res as ("", _) => res |
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192 |
| (tstplike_proof, _) => (tstplike_proof, NONE)) |
39452 | 193 |
|
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194 |
type atp_step_name = string * string list |
39452 | 195 |
|
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196 |
fun is_same_atp_step (s1, _) (s2, _) = s1 = s2 |
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197 |
|
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198 |
val vampire_fact_prefix = "f" |
39452 | 199 |
|
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200 |
fun vampire_step_name_ord p = |
39455 | 201 |
let val q = pairself fst p in |
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202 |
(* The "unprefix" part is to cope with Vampire's output. *) |
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203 |
(case pairself (Int.fromString o perhaps (try (unprefix vampire_fact_prefix))) q of |
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204 |
(SOME i, SOME j) => int_ord (i, j) |
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205 |
| _ => raise Fail "not Vampire") |
39452 | 206 |
end |
207 |
||
54811 | 208 |
type ('a, 'b) atp_step = atp_step_name * atp_formula_role * 'a * 'b * atp_step_name list |
39452 | 209 |
|
54811 | 210 |
type 'a atp_proof = (('a, 'a, ('a, 'a atp_type) atp_term, 'a) atp_formula, string) atp_step list |
39452 | 211 |
|
212 |
(**** PARSING OF TSTP FORMAT ****) |
|
213 |
||
42536 | 214 |
(* Strings enclosed in single quotes (e.g., file names) *) |
39452 | 215 |
val scan_general_id = |
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216 |
$$ "'" |-- Scan.repeat (~$$ "'") --| $$ "'" >> implode |
51881 | 217 |
|| Scan.repeat ($$ "$") -- Scan.many1 Symbol.is_letdig |
39452 | 218 |
>> (fn (ss1, ss2) => implode ss1 ^ implode ss2) |
219 |
||
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220 |
val skip_term = |
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|
221 |
let |
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|
222 |
fun skip _ accum [] = (accum, []) |
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223 |
| skip n accum (ss as s :: ss') = |
54799 | 224 |
if s = "," andalso n = 0 then |
225 |
(accum, ss) |
|
56397 | 226 |
else if member (op =) [")", "]"] s then |
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227 |
if n = 0 then (accum, ss) else skip (n - 1) (s :: accum) ss' |
56397 | 228 |
else if member (op =) ["(", "["] s then |
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229 |
skip (n + 1) (s :: accum) ss' |
54799 | 230 |
else |
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231 |
skip n (s :: accum) ss' |
54799 | 232 |
in |
233 |
skip 0 [] #>> (rev #> implode) |
|
234 |
end |
|
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|
235 |
|
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|
236 |
datatype source = |
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237 |
File_Source of string * string option | |
45209 | 238 |
Inference_Source of string * string list |
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|
239 |
|
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|
240 |
val dummy_phi = AAtom (ATerm (("", []), [])) |
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|
241 |
val dummy_inference = Inference_Source ("", []) |
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|
242 |
|
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|
243 |
(* "skip_term" is there to cope with Waldmeister nonsense such as "theory(equality)". *) |
50011 | 244 |
fun parse_dependency x = |
245 |
(parse_inference_source >> snd |
|
246 |
|| scan_general_id --| skip_term >> single) x |
|
247 |
and parse_dependencies x = |
|
56397 | 248 |
(Scan.repeat (Scan.option ($$ ",") |-- parse_dependency) >> flat) x |
50011 | 249 |
and parse_file_source x = |
250 |
(Scan.this_string "file" |-- $$ "(" |-- scan_general_id |
|
251 |
-- Scan.option ($$ "," |-- scan_general_id) --| $$ ")") x |
|
252 |
and parse_inference_source x = |
|
253 |
(Scan.this_string "inference" |-- $$ "(" |-- scan_general_id |
|
254 |
--| skip_term --| $$ "," --| skip_term --| $$ "," --| $$ "[" |
|
255 |
-- parse_dependencies --| $$ "]" --| $$ ")") x |
|
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|
256 |
and skip_introduced x = |
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|
257 |
(Scan.this_string "introduced" |-- $$ "(" |-- skip_term |
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|
258 |
-- Scan.repeat ($$ "," |-- skip_term) --| $$ ")") x |
50011 | 259 |
and parse_source x = |
260 |
(parse_file_source >> File_Source |
|
261 |
|| parse_inference_source >> Inference_Source |
|
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|
262 |
|| skip_introduced >> K dummy_inference (* for Vampire *) |
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|
263 |
|| scan_general_id >> (fn s => Inference_Source ("", [s])) (* for E *) |
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|
264 |
|| skip_term >> K dummy_inference) x |
39452 | 265 |
|
54799 | 266 |
fun list_app (f, args) = fold (fn arg => fn f => ATerm ((tptp_app, []), [f, arg])) args f |
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|
267 |
|
54820 | 268 |
fun parse_class x = scan_general_id x |
269 |
and parse_classes x = (parse_class ::: Scan.repeat ($$ "&" |-- parse_class)) x |
|
54811 | 270 |
|
271 |
fun parse_type x = |
|
54820 | 272 |
(scan_general_id -- Scan.optional ($$ "{" |-- parse_classes --| $$ "}") [] |
54811 | 273 |
-- Scan.optional ($$ "(" |-- parse_types --| $$ ")") [] |
274 |
>> AType) x |
|
275 |
and parse_types x = (parse_type ::: Scan.repeat ($$ "," |-- parse_type)) x |
|
276 |
||
45881 | 277 |
(* We currently ignore TFF and THF types. *) |
54811 | 278 |
fun parse_type_signature x = Scan.repeat (($$ tptp_has_type || $$ tptp_fun_type) |-- parse_arg) x |
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279 |
and parse_arg x = |
54811 | 280 |
($$ "(" |-- parse_term --| $$ ")" --| parse_type_signature |
281 |
|| scan_general_id --| parse_type_signature |
|
282 |
-- Scan.optional ($$ "<" |-- parse_types --| $$ ">") [] |
|
283 |
-- Scan.optional ($$ "(" |-- parse_terms --| $$ ")") [] |
|
284 |
>> ATerm) x |
|
56397 | 285 |
and parse_term x = |
286 |
(parse_arg -- Scan.repeat ($$ tptp_app |-- parse_arg) |
|
287 |
--| Scan.option parse_type_signature >> list_app) x |
|
54799 | 288 |
and parse_terms x = (parse_term ::: Scan.repeat ($$ "," |-- parse_term)) x |
39452 | 289 |
|
39598 | 290 |
fun parse_atom x = |
54811 | 291 |
(parse_term -- Scan.option (Scan.option ($$ tptp_not_infix) --| $$ tptp_equal -- parse_term) |
39598 | 292 |
>> (fn (u1, NONE) => AAtom u1 |
45881 | 293 |
| (u1, SOME (neg, u2)) => |
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|
294 |
AAtom (ATerm (("equal", []), [u1, u2])) |> is_some neg ? mk_anot)) x |
39452 | 295 |
|
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|
296 |
(* TPTP formulas are fully parenthesized, so we don't need to worry about operator precedence. *) |
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|
297 |
fun parse_literal x = |
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|
298 |
((Scan.repeat ($$ tptp_not) >> length) |
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|
299 |
-- ($$ "(" |-- parse_formula --| $$ ")" |
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|
300 |
|| parse_quantified_formula |
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|
301 |
|| parse_atom) |
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|
302 |
>> (fn (n, phi) => phi |> n mod 2 = 1 ? mk_anot)) x |
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|
303 |
and parse_formula x = |
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|
304 |
(parse_literal |
43163 | 305 |
-- Scan.option ((Scan.this_string tptp_implies |
306 |
|| Scan.this_string tptp_iff |
|
307 |
|| Scan.this_string tptp_not_iff |
|
308 |
|| Scan.this_string tptp_if |
|
309 |
|| $$ tptp_or |
|
310 |
|| $$ tptp_and) -- parse_formula) |
|
39452 | 311 |
>> (fn (phi1, NONE) => phi1 |
43163 | 312 |
| (phi1, SOME (c, phi2)) => |
313 |
if c = tptp_implies then mk_aconn AImplies phi1 phi2 |
|
314 |
else if c = tptp_iff then mk_aconn AIff phi1 phi2 |
|
315 |
else if c = tptp_not_iff then mk_anot (mk_aconn AIff phi1 phi2) |
|
316 |
else if c = tptp_if then mk_aconn AImplies phi2 phi1 |
|
317 |
else if c = tptp_or then mk_aconn AOr phi1 phi2 |
|
318 |
else if c = tptp_and then mk_aconn AAnd phi1 phi2 |
|
319 |
else raise Fail ("impossible connective " ^ quote c))) x |
|
42605
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changeset
|
320 |
and parse_quantified_formula x = |
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|
321 |
(($$ tptp_forall >> K AForall || $$ tptp_exists >> K AExists) |
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changeset
|
322 |
--| $$ "[" -- parse_terms --| $$ "]" --| $$ ":" -- parse_literal |
54799 | 323 |
>> (fn ((q, ts), phi) => AQuant (q, map (fn ATerm ((s, []), _) => (s, NONE)) ts, phi))) x |
39452 | 324 |
|
325 |
val parse_tstp_extra_arguments = |
|
56397 | 326 |
Scan.optional ($$ "," |-- parse_source --| Scan.option ($$ "," |-- skip_term)) dummy_inference |
39452 | 327 |
|
47927
c35238d19bb9
repair the Waldmeister endgame only for Waldmeister proofs
blanchet
parents:
47926
diff
changeset
|
328 |
val waldmeister_conjecture_name = "conjecture_1" |
42943 | 329 |
|
42536 | 330 |
val tofof_fact_prefix = "fof_" |
41203
1393514094d7
fixed more issues with the Vampire output parser, and added support for Vampire's TSTP output (--proof tptp)
blanchet
parents:
41201
diff
changeset
|
331 |
|
42943 | 332 |
fun is_same_term subst tm1 tm2 = |
333 |
let |
|
334 |
fun do_term_pair _ NONE = NONE |
|
48132
9aa0fad4e864
added type arguments to "ATerm" constructor -- but don't use them yet
blanchet
parents:
48130
diff
changeset
|
335 |
| do_term_pair (ATerm ((s1, _), tm1), ATerm ((s2, _), tm2)) (SOME subst) = |
54788
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primitive support for SPASS-Pirate (Daniel Wand's polymorphic SPASS prototype)
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parents:
54772
diff
changeset
|
336 |
(case pairself is_tptp_variable (s1, s2) of |
42943 | 337 |
(true, true) => |
338 |
(case AList.lookup (op =) subst s1 of |
|
339 |
SOME s2' => if s2' = s2 then SOME subst else NONE |
|
340 |
| NONE => |
|
341 |
if null (AList.find (op =) subst s2) then SOME ((s1, s2) :: subst) |
|
342 |
else NONE) |
|
343 |
| (false, false) => |
|
344 |
if s1 = s2 andalso length tm1 = length tm2 then |
|
345 |
SOME subst |> fold do_term_pair (tm1 ~~ tm2) |
|
346 |
else |
|
347 |
NONE |
|
54788
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primitive support for SPASS-Pirate (Daniel Wand's polymorphic SPASS prototype)
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parents:
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diff
changeset
|
348 |
| _ => NONE) |
a898e15b522a
primitive support for SPASS-Pirate (Daniel Wand's polymorphic SPASS prototype)
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parents:
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diff
changeset
|
349 |
in |
a898e15b522a
primitive support for SPASS-Pirate (Daniel Wand's polymorphic SPASS prototype)
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parents:
54772
diff
changeset
|
350 |
SOME subst |> do_term_pair (tm1, tm2) |> is_some |
a898e15b522a
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parents:
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diff
changeset
|
351 |
end |
42943 | 352 |
|
47921
fc26d5538868
ensure the "show" equation is not reoriented by Waldmeister
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parents:
47917
diff
changeset
|
353 |
fun is_same_formula comm subst (AQuant (q1, xs1, phi1)) (AQuant (q2, xs2, phi2)) = |
42943 | 354 |
q1 = q2 andalso length xs1 = length xs2 andalso |
47921
fc26d5538868
ensure the "show" equation is not reoriented by Waldmeister
blanchet
parents:
47917
diff
changeset
|
355 |
is_same_formula comm ((map fst xs1 ~~ map fst xs2) @ subst) phi1 phi2 |
fc26d5538868
ensure the "show" equation is not reoriented by Waldmeister
blanchet
parents:
47917
diff
changeset
|
356 |
| is_same_formula comm subst (AConn (c1, phis1)) (AConn (c2, phis2)) = |
42943 | 357 |
c1 = c2 andalso length phis1 = length phis2 andalso |
47921
fc26d5538868
ensure the "show" equation is not reoriented by Waldmeister
blanchet
parents:
47917
diff
changeset
|
358 |
forall (uncurry (is_same_formula comm subst)) (phis1 ~~ phis2) |
48132
9aa0fad4e864
added type arguments to "ATerm" constructor -- but don't use them yet
blanchet
parents:
48130
diff
changeset
|
359 |
| is_same_formula comm subst |
54799 | 360 |
(AAtom (tm1 as ATerm (("equal", tys), [tm11, tm12]))) (AAtom tm2) = |
47926 | 361 |
is_same_term subst tm1 tm2 orelse |
54799 | 362 |
(comm andalso is_same_term subst (ATerm (("equal", tys), [tm12, tm11])) tm2) |
47921
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ensure the "show" equation is not reoriented by Waldmeister
blanchet
parents:
47917
diff
changeset
|
363 |
| is_same_formula _ subst (AAtom tm1) (AAtom tm2) = is_same_term subst tm1 tm2 |
fc26d5538868
ensure the "show" equation is not reoriented by Waldmeister
blanchet
parents:
47917
diff
changeset
|
364 |
| is_same_formula _ _ _ _ = false |
42943 | 365 |
|
50521
bec828f3364e
generate comments with original names for debugging
blanchet
parents:
50236
diff
changeset
|
366 |
fun matching_formula_line_identifier phi (Formula ((ident, _), _, phi', _, _)) = |
47921
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ensure the "show" equation is not reoriented by Waldmeister
blanchet
parents:
47917
diff
changeset
|
367 |
if is_same_formula true [] phi phi' then SOME (ident, phi') else NONE |
42943 | 368 |
| matching_formula_line_identifier _ _ = NONE |
369 |
||
54799 | 370 |
fun find_formula_in_problem phi = |
371 |
maps snd |
|
372 |
#> map_filter (matching_formula_line_identifier phi) |
|
373 |
#> try (single o hd) |
|
374 |
#> the_default [] |
|
42943 | 375 |
|
54799 | 376 |
fun commute_eq (AAtom (ATerm ((s, tys), tms))) = AAtom (ATerm ((s, tys), rev tms)) |
47946
33afcfad3f8d
add an experimental "aggressive" mode to Sledgehammer, to experiment with more complete translations of higher-order features without breaking "metis"
blanchet
parents:
47927
diff
changeset
|
377 |
| commute_eq _ = raise Fail "expected equation" |
47921
fc26d5538868
ensure the "show" equation is not reoriented by Waldmeister
blanchet
parents:
47917
diff
changeset
|
378 |
|
50012
01cb92151a53
track formula roles in proofs and use that to determine whether the conjecture should be negated or not
blanchet
parents:
50011
diff
changeset
|
379 |
fun role_of_tptp_string "axiom" = Axiom |
01cb92151a53
track formula roles in proofs and use that to determine whether the conjecture should be negated or not
blanchet
parents:
50011
diff
changeset
|
380 |
| role_of_tptp_string "definition" = Definition |
01cb92151a53
track formula roles in proofs and use that to determine whether the conjecture should be negated or not
blanchet
parents:
50011
diff
changeset
|
381 |
| role_of_tptp_string "lemma" = Lemma |
01cb92151a53
track formula roles in proofs and use that to determine whether the conjecture should be negated or not
blanchet
parents:
50011
diff
changeset
|
382 |
| role_of_tptp_string "hypothesis" = Hypothesis |
01cb92151a53
track formula roles in proofs and use that to determine whether the conjecture should be negated or not
blanchet
parents:
50011
diff
changeset
|
383 |
| role_of_tptp_string "conjecture" = Conjecture |
01cb92151a53
track formula roles in proofs and use that to determine whether the conjecture should be negated or not
blanchet
parents:
50011
diff
changeset
|
384 |
| role_of_tptp_string "negated_conjecture" = Negated_Conjecture |
01cb92151a53
track formula roles in proofs and use that to determine whether the conjecture should be negated or not
blanchet
parents:
50011
diff
changeset
|
385 |
| role_of_tptp_string "plain" = Plain |
01cb92151a53
track formula roles in proofs and use that to determine whether the conjecture should be negated or not
blanchet
parents:
50011
diff
changeset
|
386 |
| role_of_tptp_string _ = Unknown |
01cb92151a53
track formula roles in proofs and use that to determine whether the conjecture should be negated or not
blanchet
parents:
50011
diff
changeset
|
387 |
|
54788
a898e15b522a
primitive support for SPASS-Pirate (Daniel Wand's polymorphic SPASS prototype)
blanchet
parents:
54772
diff
changeset
|
388 |
(* Syntax: (cnf|fof|tff|thf)\(<num>, <formula_role>, <formula> <extra_arguments>\). |
39452 | 389 |
The <num> could be an identifier, but we assume integers. *) |
42943 | 390 |
fun parse_tstp_line problem = |
42968
74415622d293
more work on parsing LEO-II proofs and extracting uses of extensionality
blanchet
parents:
42966
diff
changeset
|
391 |
((Scan.this_string tptp_cnf || Scan.this_string tptp_fof |
74415622d293
more work on parsing LEO-II proofs and extracting uses of extensionality
blanchet
parents:
42966
diff
changeset
|
392 |
|| Scan.this_string tptp_tff || Scan.this_string tptp_thf) -- $$ "(") |
50236 | 393 |
|-- scan_general_id --| $$ "," -- Symbol.scan_ascii_id --| $$ "," |
45235
7187bce94e88
more robust parsing of TSTP sources -- Vampire has nonstandard "introduced()" tags and Waldmeister(OnTPTP) has weird "theory(...)" dependencies
blanchet
parents:
45209
diff
changeset
|
394 |
-- (parse_formula || skip_term >> K dummy_phi) -- parse_tstp_extra_arguments |
7187bce94e88
more robust parsing of TSTP sources -- Vampire has nonstandard "introduced()" tags and Waldmeister(OnTPTP) has weird "theory(...)" dependencies
blanchet
parents:
45209
diff
changeset
|
395 |
--| $$ ")" --| $$ "." |
42943 | 396 |
>> (fn (((num, role), phi), deps) => |
397 |
let |
|
47921
fc26d5538868
ensure the "show" equation is not reoriented by Waldmeister
blanchet
parents:
47917
diff
changeset
|
398 |
val ((name, phi), rule, deps) = |
42943 | 399 |
(* Waldmeister isn't exactly helping. *) |
54788
a898e15b522a
primitive support for SPASS-Pirate (Daniel Wand's polymorphic SPASS prototype)
blanchet
parents:
54772
diff
changeset
|
400 |
(case deps of |
45208
9a00f9cc8707
marginally cleaner proof parsing, that doesn't stumble upon LEO-II's E-step proofs
blanchet
parents:
45203
diff
changeset
|
401 |
File_Source (_, SOME s) => |
47927
c35238d19bb9
repair the Waldmeister endgame only for Waldmeister proofs
blanchet
parents:
47926
diff
changeset
|
402 |
(if s = waldmeister_conjecture_name then |
54799 | 403 |
(case find_formula_in_problem (mk_anot phi) problem of |
47921
fc26d5538868
ensure the "show" equation is not reoriented by Waldmeister
blanchet
parents:
47917
diff
changeset
|
404 |
(* Waldmeister hack: Get the original orientation of the |
fc26d5538868
ensure the "show" equation is not reoriented by Waldmeister
blanchet
parents:
47917
diff
changeset
|
405 |
equation to avoid confusing Isar. *) |
fc26d5538868
ensure the "show" equation is not reoriented by Waldmeister
blanchet
parents:
47917
diff
changeset
|
406 |
[(s, phi')] => |
fc26d5538868
ensure the "show" equation is not reoriented by Waldmeister
blanchet
parents:
47917
diff
changeset
|
407 |
((num, [s]), |
54788
a898e15b522a
primitive support for SPASS-Pirate (Daniel Wand's polymorphic SPASS prototype)
blanchet
parents:
54772
diff
changeset
|
408 |
phi |> not (is_same_formula false [] (mk_anot phi) phi') ? commute_eq) |
a898e15b522a
primitive support for SPASS-Pirate (Daniel Wand's polymorphic SPASS prototype)
blanchet
parents:
54772
diff
changeset
|
409 |
| _ => ((num, []), phi)) |
47921
fc26d5538868
ensure the "show" equation is not reoriented by Waldmeister
blanchet
parents:
47917
diff
changeset
|
410 |
else |
fc26d5538868
ensure the "show" equation is not reoriented by Waldmeister
blanchet
parents:
47917
diff
changeset
|
411 |
((num, [s |> perhaps (try (unprefix tofof_fact_prefix))]), |
fc26d5538868
ensure the "show" equation is not reoriented by Waldmeister
blanchet
parents:
47917
diff
changeset
|
412 |
phi), |
fc26d5538868
ensure the "show" equation is not reoriented by Waldmeister
blanchet
parents:
47917
diff
changeset
|
413 |
"", []) |
45208
9a00f9cc8707
marginally cleaner proof parsing, that doesn't stumble upon LEO-II's E-step proofs
blanchet
parents:
45203
diff
changeset
|
414 |
| File_Source _ => |
54799 | 415 |
(((num, map fst (find_formula_in_problem phi problem)), phi), "", []) |
54788
a898e15b522a
primitive support for SPASS-Pirate (Daniel Wand's polymorphic SPASS prototype)
blanchet
parents:
54772
diff
changeset
|
416 |
| Inference_Source (rule, deps) => (((num, []), phi), rule, deps)) |
54799 | 417 |
fun mk_step () = (name, role_of_tptp_string role, phi, rule, map (rpair []) deps) |
42943 | 418 |
in |
54788
a898e15b522a
primitive support for SPASS-Pirate (Daniel Wand's polymorphic SPASS prototype)
blanchet
parents:
54772
diff
changeset
|
419 |
(case role_of_tptp_string role of |
50012
01cb92151a53
track formula roles in proofs and use that to determine whether the conjecture should be negated or not
blanchet
parents:
50011
diff
changeset
|
420 |
Definition => |
42943 | 421 |
(case phi of |
54799 | 422 |
AAtom (ATerm (("equal", _), _)) => |
42943 | 423 |
(* Vampire's equality proxy axiom *) |
51201 | 424 |
(name, Definition, phi, rule, map (rpair []) deps) |
47787 | 425 |
| _ => mk_step ()) |
54788
a898e15b522a
primitive support for SPASS-Pirate (Daniel Wand's polymorphic SPASS prototype)
blanchet
parents:
54772
diff
changeset
|
426 |
| _ => mk_step ()) |
42943 | 427 |
end) |
39452 | 428 |
|
429 |
(**** PARSING OF SPASS OUTPUT ****) |
|
430 |
||
431 |
(* SPASS returns clause references of the form "x.y". We ignore "y", whose role |
|
432 |
is not clear anyway. *) |
|
433 |
val parse_dot_name = scan_general_id --| $$ "." --| scan_general_id |
|
434 |
||
435 |
val parse_spass_annotations = |
|
54811 | 436 |
Scan.optional ($$ ":" |-- Scan.repeat (parse_dot_name --| Scan.option ($$ ","))) [] |
39452 | 437 |
|
438 |
(* It is not clear why some literals are followed by sequences of stars and/or |
|
439 |
pluses. We ignore them. *) |
|
39602 | 440 |
fun parse_decorated_atom x = |
441 |
(parse_atom --| Scan.repeat ($$ "*" || $$ "+" || $$ " ")) x |
|
39452 | 442 |
|
48132
9aa0fad4e864
added type arguments to "ATerm" constructor -- but don't use them yet
blanchet
parents:
48130
diff
changeset
|
443 |
fun mk_horn ([], []) = AAtom (ATerm (("c_False", []), [])) |
42943 | 444 |
| mk_horn ([], pos_lits) = foldr1 (uncurry (mk_aconn AOr)) pos_lits |
445 |
| mk_horn (neg_lits, []) = mk_anot (foldr1 (uncurry (mk_aconn AAnd)) neg_lits) |
|
39452 | 446 |
| mk_horn (neg_lits, pos_lits) = |
42943 | 447 |
mk_aconn AImplies (foldr1 (uncurry (mk_aconn AAnd)) neg_lits) |
448 |
(foldr1 (uncurry (mk_aconn AOr)) pos_lits) |
|
39452 | 449 |
|
39645 | 450 |
fun parse_horn_clause x = |
451 |
(Scan.repeat parse_decorated_atom --| $$ "|" --| $$ "|" |
|
452 |
-- Scan.repeat parse_decorated_atom --| $$ "-" --| $$ ">" |
|
453 |
-- Scan.repeat parse_decorated_atom |
|
454 |
>> (mk_horn o apfst (op @))) x |
|
39452 | 455 |
|
46390 | 456 |
val parse_spass_debug = |
54788
a898e15b522a
primitive support for SPASS-Pirate (Daniel Wand's polymorphic SPASS prototype)
blanchet
parents:
54772
diff
changeset
|
457 |
Scan.option ($$ "(" |-- Scan.repeat (scan_general_id --| Scan.option ($$ ",")) --| $$ ")") |
46390 | 458 |
|
54788
a898e15b522a
primitive support for SPASS-Pirate (Daniel Wand's polymorphic SPASS prototype)
blanchet
parents:
54772
diff
changeset
|
459 |
(* Syntax: <num>[0:<inference><annotations>] <atoms> || <atoms> -> <atoms> . |
46427 | 460 |
derived from formulae <ident>* *) |
48005
eeede26f2721
killed SPASS 3.5/3.7 FLOTTER hack -- requires users to upgrade to SPASS 3.8
blanchet
parents:
47972
diff
changeset
|
461 |
fun parse_spass_line x = |
54788
a898e15b522a
primitive support for SPASS-Pirate (Daniel Wand's polymorphic SPASS prototype)
blanchet
parents:
54772
diff
changeset
|
462 |
(parse_spass_debug |-- scan_general_id --| $$ "[" --| Scan.many1 Symbol.is_digit --| $$ ":" |
a898e15b522a
primitive support for SPASS-Pirate (Daniel Wand's polymorphic SPASS prototype)
blanchet
parents:
54772
diff
changeset
|
463 |
-- Symbol.scan_ascii_id -- parse_spass_annotations --| $$ "]" -- parse_horn_clause --| $$ "." |
48005
eeede26f2721
killed SPASS 3.5/3.7 FLOTTER hack -- requires users to upgrade to SPASS 3.8
blanchet
parents:
47972
diff
changeset
|
464 |
-- Scan.option (Scan.this_string "derived from formulae " |
eeede26f2721
killed SPASS 3.5/3.7 FLOTTER hack -- requires users to upgrade to SPASS 3.8
blanchet
parents:
47972
diff
changeset
|
465 |
|-- Scan.repeat (scan_general_id --| Scan.option ($$ " "))) |
eeede26f2721
killed SPASS 3.5/3.7 FLOTTER hack -- requires users to upgrade to SPASS 3.8
blanchet
parents:
47972
diff
changeset
|
466 |
>> (fn ((((num, rule), deps), u), names) => |
51201 | 467 |
((num, these names), Unknown, u, rule, map (rpair []) deps))) x |
45162 | 468 |
|
54788
a898e15b522a
primitive support for SPASS-Pirate (Daniel Wand's polymorphic SPASS prototype)
blanchet
parents:
54772
diff
changeset
|
469 |
fun parse_spass_pirate_dependency x = (Scan.option ($$ "-") |-- scan_general_id) x |
a898e15b522a
primitive support for SPASS-Pirate (Daniel Wand's polymorphic SPASS prototype)
blanchet
parents:
54772
diff
changeset
|
470 |
fun parse_spass_pirate_dependencies x = |
54811 | 471 |
Scan.repeat (parse_spass_pirate_dependency --| Scan.option ($$ "," || $$ " ")) x |
54788
a898e15b522a
primitive support for SPASS-Pirate (Daniel Wand's polymorphic SPASS prototype)
blanchet
parents:
54772
diff
changeset
|
472 |
fun parse_spass_pirate_file_source x = |
a898e15b522a
primitive support for SPASS-Pirate (Daniel Wand's polymorphic SPASS prototype)
blanchet
parents:
54772
diff
changeset
|
473 |
((Scan.this_string "Input" || Scan.this_string "Conj") |-- $$ "(" |-- scan_general_id |
a898e15b522a
primitive support for SPASS-Pirate (Daniel Wand's polymorphic SPASS prototype)
blanchet
parents:
54772
diff
changeset
|
474 |
--| $$ ")") x |
a898e15b522a
primitive support for SPASS-Pirate (Daniel Wand's polymorphic SPASS prototype)
blanchet
parents:
54772
diff
changeset
|
475 |
fun parse_spass_pirate_inference_source x = |
54836 | 476 |
(scan_general_id -- ($$ "(" |-- parse_spass_pirate_dependencies --| $$ ")")) x |
54788
a898e15b522a
primitive support for SPASS-Pirate (Daniel Wand's polymorphic SPASS prototype)
blanchet
parents:
54772
diff
changeset
|
477 |
fun parse_spass_pirate_source x = |
a898e15b522a
primitive support for SPASS-Pirate (Daniel Wand's polymorphic SPASS prototype)
blanchet
parents:
54772
diff
changeset
|
478 |
(parse_spass_pirate_file_source >> (fn s => File_Source ("", SOME s)) |
a898e15b522a
primitive support for SPASS-Pirate (Daniel Wand's polymorphic SPASS prototype)
blanchet
parents:
54772
diff
changeset
|
479 |
|| parse_spass_pirate_inference_source >> Inference_Source) x |
a898e15b522a
primitive support for SPASS-Pirate (Daniel Wand's polymorphic SPASS prototype)
blanchet
parents:
54772
diff
changeset
|
480 |
|
a898e15b522a
primitive support for SPASS-Pirate (Daniel Wand's polymorphic SPASS prototype)
blanchet
parents:
54772
diff
changeset
|
481 |
(* Syntax: <num> <stuff> || <atoms> -> <atoms> . origin\(<origin>\) *) |
a898e15b522a
primitive support for SPASS-Pirate (Daniel Wand's polymorphic SPASS prototype)
blanchet
parents:
54772
diff
changeset
|
482 |
fun parse_spass_pirate_line x = |
a898e15b522a
primitive support for SPASS-Pirate (Daniel Wand's polymorphic SPASS prototype)
blanchet
parents:
54772
diff
changeset
|
483 |
(scan_general_id --| Scan.repeat (~$$ "|") -- parse_horn_clause --| $$ "." |
a898e15b522a
primitive support for SPASS-Pirate (Daniel Wand's polymorphic SPASS prototype)
blanchet
parents:
54772
diff
changeset
|
484 |
--| Scan.this_string "origin" --| $$ "(" -- parse_spass_pirate_source --| $$ ")" |
a898e15b522a
primitive support for SPASS-Pirate (Daniel Wand's polymorphic SPASS prototype)
blanchet
parents:
54772
diff
changeset
|
485 |
>> (fn ((((num, u), source))) => |
a898e15b522a
primitive support for SPASS-Pirate (Daniel Wand's polymorphic SPASS prototype)
blanchet
parents:
54772
diff
changeset
|
486 |
let |
a898e15b522a
primitive support for SPASS-Pirate (Daniel Wand's polymorphic SPASS prototype)
blanchet
parents:
54772
diff
changeset
|
487 |
val (names, rule, deps) = |
a898e15b522a
primitive support for SPASS-Pirate (Daniel Wand's polymorphic SPASS prototype)
blanchet
parents:
54772
diff
changeset
|
488 |
(case source of |
a898e15b522a
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489 |
File_Source (_, SOME s) => ([s], spass_input_rule, []) |
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|
490 |
| Inference_Source (rule, deps) => ([], rule, deps)) |
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|
491 |
in |
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|
492 |
((num, names), Unknown, u, rule, map (rpair []) deps) |
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|
493 |
end)) x |
48539 | 494 |
|
52077 | 495 |
fun core_inference inf fact = ((fact, [fact]), Unknown, dummy_phi, inf, []) |
496 |
||
45162 | 497 |
(* Syntax: <name> *) |
45203 | 498 |
fun parse_satallax_line x = |
54788
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parents:
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|
499 |
(scan_general_id --| Scan.option ($$ " ") >> core_inference satallax_core_rule) x |
43481 | 500 |
|
48005
eeede26f2721
killed SPASS 3.5/3.7 FLOTTER hack -- requires users to upgrade to SPASS 3.8
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parents:
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|
501 |
fun parse_line problem = |
56397 | 502 |
parse_tstp_line problem || parse_spass_line || parse_spass_pirate_line || parse_satallax_line |
50590 | 503 |
fun parse_proof problem = |
504 |
strip_spaces_except_between_idents |
|
505 |
#> raw_explode |
|
506 |
#> Scan.error (!! (fn _ => raise UNRECOGNIZED_ATP_PROOF ()) |
|
507 |
(Scan.finite Symbol.stopper |
|
508 |
(Scan.repeat1 (parse_line problem)))) |
|
509 |
#> fst |
|
43481 | 510 |
|
52077 | 511 |
fun core_of_agsyhol_proof s = |
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|
512 |
(case split_lines s of |
52077 | 513 |
"The transformed problem consists of the following conjectures:" :: conj :: |
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514 |
_ :: proof_term :: _ => SOME (unprefix " " conj :: find_enclosed "<<" ">>" proof_term) |
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|
515 |
| _ => NONE) |
52077 | 516 |
|
52031
9a9238342963
tuning -- renamed '_from_' to '_of_' in Sledgehammer
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parents:
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|
517 |
fun atp_proof_of_tstplike_proof _ "" = [] |
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518 |
| atp_proof_of_tstplike_proof problem tstp = |
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519 |
(case core_of_agsyhol_proof tstp of |
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parents:
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|
520 |
SOME facts => facts |> map (core_inference agsyhol_core_rule) |
52077 | 521 |
| NONE => |
54811 | 522 |
tstp ^ "$" (* the $ sign acts as a sentinel (FIXME: needed?) *) |
52077 | 523 |
|> parse_proof problem |
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524 |
|> perhaps (try (sort (vampire_step_name_ord o pairself #1)))) |
42968
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parents:
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|
525 |
|
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|
526 |
fun clean_up_dependencies _ [] = [] |
51201 | 527 |
| clean_up_dependencies seen ((name, role, u, rule, deps) :: steps) = |
54811 | 528 |
(name, role, u, rule, map_filter (fn dep => find_first (is_same_atp_step dep) seen) deps) :: |
42968
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parents:
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|
529 |
clean_up_dependencies (name :: seen) steps |
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parents:
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|
530 |
|
42975 | 531 |
fun clean_up_atp_proof_dependencies proof = clean_up_dependencies [] proof |
39452 | 532 |
|
50704 | 533 |
fun map_term_names_in_atp_proof f = |
534 |
let |
|
54820 | 535 |
fun map_type (AType ((s, clss), tys)) = AType ((f s, map f clss), map map_type tys) |
54811 | 536 |
| map_type (AFun (ty, ty')) = AFun (map_type ty, map_type ty') |
537 |
| map_type (APi (ss, ty)) = APi (map f ss, map_type ty) |
|
538 |
||
539 |
fun map_term (ATerm ((s, tys), ts)) = ATerm ((f s, map map_type tys), map map_term ts) |
|
540 |
| map_term (AAbs (((s, ty), tm), args)) = |
|
541 |
AAbs (((f s, map_type ty), map_term tm), map map_term args) |
|
542 |
||
56397 | 543 |
fun map_formula (AQuant (q, xs, phi)) = AQuant (q, map (apfst f) xs, map_formula phi) |
54811 | 544 |
| map_formula (AConn (c, phis)) = AConn (c, map map_formula phis) |
545 |
| map_formula (AAtom t) = AAtom (map_term t) |
|
546 |
||
56397 | 547 |
fun map_step (name, role, phi, rule, deps) = (name, role, map_formula phi, rule, deps) |
54811 | 548 |
in |
549 |
map map_step |
|
550 |
end |
|
39454 | 551 |
|
552 |
fun nasty_name pool s = s |> Symtab.lookup pool |> the_default s |
|
50704 | 553 |
|
39454 | 554 |
fun nasty_atp_proof pool = |
50704 | 555 |
not (Symtab.is_empty pool) ? map_term_names_in_atp_proof (nasty_name pool) |
39454 | 556 |
|
39452 | 557 |
end; |