author | blanchet |
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parent 74006 | 1a0a536b8aaf |
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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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Author: Mathias Fleury, ENS Rennes |
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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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MaybeUnprovable | |
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Unprovable | |
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ProofMissing | |
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ProofIncomplete | |
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ProofUnparsable | |
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UnsoundProof of bool * string list | |
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TimedOut | |
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Inappropriate | |
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OutOfResources | |
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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 agsyholN : string |
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val alt_ergoN : string |
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val eN : string |
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val iproverN : string |
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val leo2N : string |
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val leo3N : string |
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val satallaxN : string |
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val spassN : string |
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val vampireN : string |
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val waldmeisterN : string |
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val z3_tptpN : string |
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val zipperpositionN : string |
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val remote_prefix : string |
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val dummy_tfxN : string |
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val agsyhol_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 z3_tptp_core_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_fol_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 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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val skip_term : string list -> string * string list |
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val parse_hol_formula : string list -> |
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('a, 'b, (string, string ATP_Problem.atp_type) ATP_Problem.atp_term, 'c) ATP_Problem.atp_formula * |
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string list |
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val dummy_atype : string ATP_Problem.atp_type |
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val role_of_tptp_string : string -> ATP_Problem.atp_formula_role |
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val parse_line : string -> ('a * string ATP_Problem.atp_problem_line list) list -> |
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string list -> ((string * string list) * ATP_Problem.atp_formula_role * |
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(string, 'b, (string, string ATP_Problem.atp_type) ATP_Problem.atp_term, |
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'c) ATP_Problem.atp_formula |
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* string * (string * 'd list) list) list * string list |
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val core_inference : 'a -> 'b -> ('b * 'b list) * ATP_Problem.atp_formula_role * |
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('c, 'd, (string, 'e) ATP_Problem.atp_term, 'f) ATP_Problem.atp_formula * 'a * 'g list |
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val vampire_step_name_ord : (string * 'a) ord |
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val core_of_agsyhol_proof : string -> string list option |
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val string_of_atp_step : ('a -> string) -> ('b -> string) -> ('a, 'b) atp_step -> string |
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val atp_proof_of_tstplike_proof : string -> string atp_problem -> string -> 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 agsyholN = "agsyhol" |
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val alt_ergoN = "alt_ergo" |
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val eN = "e" |
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val iproverN = "iprover" |
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val leo2N = "leo2" |
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val leo3N = "leo3" |
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val satallaxN = "satallax" |
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val spassN = "spass" |
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val vampireN = "vampire" |
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val waldmeisterN = "waldmeister" |
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val z3_tptpN = "z3_tptp" |
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val zipperpositionN = "zipperposition" |
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val remote_prefix = "remote_" |
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val dummy_tfxN = "dummy_tfx" |
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val agsyhol_core_rule = "__agsyhol_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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val z3_tptp_core_rule = "__z3_tptp_core" (* arbitrary *) |
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exception UNRECOGNIZED_ATP_PROOF of unit |
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datatype atp_failure = |
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MaybeUnprovable | |
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Unprovable | |
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GaveUp | |
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ProofMissing | |
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ProofIncomplete | |
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ProofUnparsable | |
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UnsoundProof of bool * string list | |
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TimedOut | |
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Inappropriate | |
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OutOfResources | |
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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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fun from_lemmas [] = "" |
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| from_lemmas ss = " from " ^ space_implode " " (Try.serial_commas "and" (map quote ss)) |
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155 |
|
66545 | 156 |
fun string_of_atp_failure MaybeUnprovable = "The generated problem is maybe unprovable" |
157 |
| string_of_atp_failure Unprovable = "The generated problem is unprovable" |
|
158 |
| string_of_atp_failure GaveUp = "The prover gave up" |
|
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159 |
| string_of_atp_failure ProofMissing = |
66545 | 160 |
"The prover claims the conjecture is a theorem but did not provide a proof" |
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161 |
| string_of_atp_failure ProofIncomplete = |
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"The prover claims the conjecture is a theorem but provided an incomplete proof" |
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163 |
| string_of_atp_failure ProofUnparsable = |
66545 | 164 |
"The prover claims the conjecture is a theorem but provided an unparsable proof" |
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165 |
| string_of_atp_failure (UnsoundProof (false, ss)) = |
73971 | 166 |
"The prover derived the lemma \"False\"" ^ from_lemmas ss ^ |
66545 | 167 |
"; specify a sound type encoding or omit the \"type_enc\" option" |
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168 |
| string_of_atp_failure (UnsoundProof (true, ss)) = |
73971 | 169 |
"The prover derived the lemma \"False\"" ^ from_lemmas ss ^ |
66545 | 170 |
", which could be due to a bug in Sledgehammer or to inconsistent axioms (including \"sorry\"s)" |
171 |
| string_of_atp_failure TimedOut = "Timed out" |
|
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172 |
| string_of_atp_failure Inappropriate = |
66545 | 173 |
"The generated problem lies outside the prover's scope" |
174 |
| string_of_atp_failure OutOfResources = "The prover ran out of resources" |
|
175 |
| string_of_atp_failure MalformedInput = "The generated problem is malformed" |
|
176 |
| string_of_atp_failure MalformedOutput = "The prover output is malformed" |
|
177 |
| string_of_atp_failure Interrupted = "The prover was interrupted" |
|
178 |
| string_of_atp_failure Crashed = "The prover crashed" |
|
179 |
| string_of_atp_failure InternalError = "An internal prover error occurred" |
|
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180 |
| string_of_atp_failure (UnknownError s) = |
41744 | 181 |
"A prover error occurred" ^ |
66545 | 182 |
(if s = "" then " (pass the \"verbose\" option for details)" else ":\n" ^ s) |
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|
183 |
|
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|
184 |
fun extract_delimited (begin_delim, end_delim) output = |
56397 | 185 |
(case first_field begin_delim output of |
186 |
SOME (_, tail) => |
|
187 |
(case first_field "\n" tail of |
|
188 |
SOME (_, tail') => |
|
189 |
if end_delim = "" then |
|
190 |
tail' |
|
191 |
else |
|
192 |
(case first_field end_delim tail' of |
|
193 |
SOME (body, _) => body |
|
194 |
| NONE => "") |
|
195 |
| NONE => "") |
|
196 |
| NONE => "") |
|
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|
197 |
|
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|
198 |
val tstp_important_message_delims = |
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|
199 |
("% SZS start RequiredInformation", "% SZS end RequiredInformation") |
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|
200 |
|
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|
201 |
fun extract_important_message output = |
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202 |
(case extract_delimited tstp_important_message_delims output of |
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|
203 |
"" => "" |
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|
204 |
| s => s |> space_explode "\n" |> filter_out (curry (op =) "") |
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|
205 |
|> map (perhaps (try (unprefix "%"))) |
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|
206 |
|> map (perhaps (try (unprefix " "))) |
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207 |
|> space_implode "\n " |> quote) |
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|
208 |
|
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|
209 |
(* Splits by the first possible of a list of delimiters. *) |
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|
210 |
fun extract_tstplike_proof delims output = |
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|
211 |
(case apply2 (find_first (fn s => String.isSubstring s output)) (ListPair.unzip delims) of |
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|
212 |
(SOME begin_delim, SOME end_delim) => extract_delimited (begin_delim, end_delim) output |
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|
213 |
| _ => "") |
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|
214 |
|
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|
215 |
fun extract_known_atp_failure known_failures output = |
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|
216 |
known_failures |
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|
217 |
|> find_first (fn (_, pattern) => String.isSubstring pattern output) |
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|
218 |
|> Option.map fst |
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|
219 |
|
57017 | 220 |
fun extract_tstplike_proof_and_outcome verbose proof_delims known_failures output = |
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|
221 |
let |
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222 |
val known_atp_failure = extract_known_atp_failure known_failures output |
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|
223 |
val tstplike_proof = extract_tstplike_proof proof_delims output |
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|
224 |
in |
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|
225 |
(case (tstplike_proof, known_atp_failure) of |
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|
226 |
(_, SOME ProofIncomplete) => ("", NONE) |
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|
227 |
| (_, SOME ProofUnparsable) => ("", NONE) |
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|
228 |
| ("", SOME ProofMissing) => ("", NONE) |
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|
229 |
| ("", NONE) => ("", SOME (UnknownError (short_output verbose output))) |
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|
230 |
| res as ("", _) => res |
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|
231 |
| (tstplike_proof, _) => (tstplike_proof, NONE)) |
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|
232 |
end |
39452 | 233 |
|
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|
234 |
type atp_step_name = string * string list |
39452 | 235 |
|
42968
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|
236 |
fun is_same_atp_step (s1, _) (s2, _) = s1 = s2 |
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|
237 |
|
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|
238 |
val vampire_fact_prefix = "f" |
39452 | 239 |
|
52755
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changeset
|
240 |
fun vampire_step_name_ord p = |
59058
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|
241 |
let val q = apply2 fst p in |
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|
242 |
(* The "unprefix" part is to cope with Vampire's output. *) |
59058
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|
243 |
(case apply2 (Int.fromString o perhaps (try (unprefix vampire_fact_prefix))) q of |
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|
244 |
(SOME i, SOME j) => int_ord (i, j) |
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|
245 |
| _ => raise Fail "not Vampire") |
39452 | 246 |
end |
247 |
||
54811 | 248 |
type ('a, 'b) atp_step = atp_step_name * atp_formula_role * 'a * 'b * atp_step_name list |
39452 | 249 |
|
54811 | 250 |
type 'a atp_proof = (('a, 'a, ('a, 'a atp_type) atp_term, 'a) atp_formula, string) atp_step list |
39452 | 251 |
|
252 |
(**** PARSING OF TSTP FORMAT ****) |
|
253 |
||
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|
254 |
(* Strings enclosed in single quotes (e.g., file names), identifiers possibly starting |
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|
255 |
with "$" and possibly with "!" in them (for "z3_tptp"). *) |
39452 | 256 |
val scan_general_id = |
47917
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|
257 |
$$ "'" |-- Scan.repeat (~$$ "'") --| $$ "'" >> implode |
59058
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|
258 |
|| (Scan.repeat ($$ "$") -- Scan.many1 Symbol.is_letdig >> (op ^ o apply2 implode)) |
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|
259 |
-- Scan.optional (Scan.repeat ($$ "!") -- Scan.many1 Symbol.is_letdig >> (op ^ o apply2 implode)) "" |
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|
260 |
>> op ^ |
39452 | 261 |
|
70805 | 262 |
fun skip_term x = |
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changeset
|
263 |
let |
45235
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more robust parsing of TSTP sources -- Vampire has nonstandard "introduced()" tags and Waldmeister(OnTPTP) has weird "theory(...)" dependencies
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parents:
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diff
changeset
|
264 |
fun skip _ accum [] = (accum, []) |
54803
41a109a00c53
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parents:
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diff
changeset
|
265 |
| skip n accum (ss as s :: ss') = |
57707
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imported patch satallax_proof_support_Sledgehammer
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diff
changeset
|
266 |
if (s = "," orelse s = ".") andalso n = 0 then |
54799 | 267 |
(accum, ss) |
56397 | 268 |
else if member (op =) [")", "]"] s then |
54803
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|
269 |
if n = 0 then (accum, ss) else skip (n - 1) (s :: accum) ss' |
56397 | 270 |
else if member (op =) ["(", "["] s then |
54803
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changeset
|
271 |
skip (n + 1) (s :: accum) ss' |
54799 | 272 |
else |
54803
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|
273 |
skip n (s :: accum) ss' |
54799 | 274 |
in |
70805 | 275 |
(skip 0 [] #>> (rev #> implode)) x |
54799 | 276 |
end |
70805 | 277 |
and skip_terms x = (skip_term ::: Scan.repeat ($$ "," |-- skip_term)) x |
45208
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|
278 |
|
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|
279 |
datatype source = |
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|
280 |
File_Source of string * string option | |
57785 | 281 |
Inference_Source of string * string list | |
282 |
Introduced_Source of string |
|
45208
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|
283 |
|
48132
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added type arguments to "ATerm" constructor -- but don't use them yet
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parents:
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diff
changeset
|
284 |
val dummy_phi = AAtom (ATerm (("", []), [])) |
57697
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correctly translate THF functions from terms to types
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parents:
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diff
changeset
|
285 |
val dummy_atype = AType (("", []), []) |
45235
7187bce94e88
more robust parsing of TSTP sources -- Vampire has nonstandard "introduced()" tags and Waldmeister(OnTPTP) has weird "theory(...)" dependencies
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parents:
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diff
changeset
|
286 |
|
54769
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diff
changeset
|
287 |
(* "skip_term" is there to cope with Waldmeister nonsense such as "theory(equality)". *) |
50011 | 288 |
fun parse_dependency x = |
289 |
(parse_inference_source >> snd |
|
290 |
|| scan_general_id --| skip_term >> single) x |
|
291 |
and parse_dependencies x = |
|
61476 | 292 |
(Scan.repeats (Scan.option ($$ ",") |-- parse_dependency) |
293 |
>> (filter_out (curry (op =) "theory"))) x |
|
50011 | 294 |
and parse_file_source x = |
295 |
(Scan.this_string "file" |-- $$ "(" |-- scan_general_id |
|
57154 | 296 |
-- Scan.option ($$ "," |-- scan_general_id |
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changeset
|
297 |
--| Scan.option ($$ "," |-- $$ "[" -- Scan.option scan_general_id --| $$ "]")) --| $$ ")") x |
50011 | 298 |
and parse_inference_source x = |
299 |
(Scan.this_string "inference" |-- $$ "(" |-- scan_general_id |
|
300 |
--| skip_term --| $$ "," --| skip_term --| $$ "," --| $$ "[" |
|
301 |
-- parse_dependencies --| $$ "]" --| $$ ")") x |
|
57785 | 302 |
and parse_introduced_source x = |
303 |
(Scan.this_string "introduced" |-- $$ "(" |-- scan_general_id |
|
304 |
--| Scan.option ($$ "," |-- skip_term) --| $$ ")") x |
|
50011 | 305 |
and parse_source x = |
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|
306 |
(parse_file_source >> File_Source >> SOME |
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changeset
|
307 |
|| parse_inference_source >> Inference_Source >> SOME |
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diff
changeset
|
308 |
|| parse_introduced_source >> Introduced_Source >> SOME |
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|
309 |
|| scan_general_id >> (fn s => SOME (Inference_Source ("", [s]))) (* for E *) |
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changeset
|
310 |
|| skip_term >> K NONE) x |
39452 | 311 |
|
54799 | 312 |
fun list_app (f, args) = fold (fn arg => fn f => ATerm ((tptp_app, []), [f, arg])) args f |
42966
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parents:
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diff
changeset
|
313 |
|
54820 | 314 |
fun parse_class x = scan_general_id x |
315 |
and parse_classes x = (parse_class ::: Scan.repeat ($$ "&" |-- parse_class)) x |
|
54811 | 316 |
|
317 |
fun parse_type x = |
|
66428 | 318 |
(($$ "(" |-- parse_type --| $$ ")" |
70805 | 319 |
|| Scan.this_string tptp_pi_binder |-- $$ "[" |-- skip_terms --| $$ "]" --| $$ ":" -- parse_type |
67022
49309fe530fd
more robust parsing for THF proofs (esp. polymorphic Leo-III proofs)
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67021
diff
changeset
|
320 |
>> (fn (_, ty) => ty (* currently ignoring type constructor declarations anyway *)) |
66428 | 321 |
|| (scan_general_id -- Scan.optional ($$ "{" |-- parse_classes --| $$ "}") []) |
322 |
-- Scan.optional ($$ "(" |-- parse_types --| $$ ")") [] |
|
323 |
>> AType) |
|
67022
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diff
changeset
|
324 |
-- Scan.option (($$ tptp_app || $$ tptp_fun_type || $$ tptp_product_type) -- parse_type) |
66428 | 325 |
>> (fn (a, NONE) => a |
67022
49309fe530fd
more robust parsing for THF proofs (esp. polymorphic Leo-III proofs)
blanchet
parents:
67021
diff
changeset
|
326 |
| (a, SOME (bin_op, b)) => |
49309fe530fd
more robust parsing for THF proofs (esp. polymorphic Leo-III proofs)
blanchet
parents:
67021
diff
changeset
|
327 |
if bin_op = tptp_app then |
49309fe530fd
more robust parsing for THF proofs (esp. polymorphic Leo-III proofs)
blanchet
parents:
67021
diff
changeset
|
328 |
(case a of |
49309fe530fd
more robust parsing for THF proofs (esp. polymorphic Leo-III proofs)
blanchet
parents:
67021
diff
changeset
|
329 |
AType (s_clss, tys) => AType (s_clss, tys @ [b]) |
49309fe530fd
more robust parsing for THF proofs (esp. polymorphic Leo-III proofs)
blanchet
parents:
67021
diff
changeset
|
330 |
| _ => raise UNRECOGNIZED_ATP_PROOF ()) |
49309fe530fd
more robust parsing for THF proofs (esp. polymorphic Leo-III proofs)
blanchet
parents:
67021
diff
changeset
|
331 |
else if bin_op = tptp_fun_type then |
49309fe530fd
more robust parsing for THF proofs (esp. polymorphic Leo-III proofs)
blanchet
parents:
67021
diff
changeset
|
332 |
AFun (a, b) |
49309fe530fd
more robust parsing for THF proofs (esp. polymorphic Leo-III proofs)
blanchet
parents:
67021
diff
changeset
|
333 |
else if bin_op = tptp_product_type then |
49309fe530fd
more robust parsing for THF proofs (esp. polymorphic Leo-III proofs)
blanchet
parents:
67021
diff
changeset
|
334 |
AType ((tptp_product_type, []), [a, b]) |
49309fe530fd
more robust parsing for THF proofs (esp. polymorphic Leo-III proofs)
blanchet
parents:
67021
diff
changeset
|
335 |
else |
49309fe530fd
more robust parsing for THF proofs (esp. polymorphic Leo-III proofs)
blanchet
parents:
67021
diff
changeset
|
336 |
raise Fail "impossible case")) x |
66544 | 337 |
and parse_types x = |
338 |
(parse_type ::: Scan.repeat ($$ "," |-- parse_type)) x |
|
54811 | 339 |
|
58477 | 340 |
(* We currently half ignore types. *) |
72398 | 341 |
fun parse_fol_optional_type_signature x = |
58600 | 342 |
(Scan.option ($$ tptp_has_type |-- parse_type) |
343 |
>> (fn some as SOME (AType ((s, []), [])) => if s = dfg_individual_type then NONE else some |
|
344 |
| res => res)) x |
|
72398 | 345 |
and parse_fol_arg x = |
346 |
($$ "(" |-- parse_fol_term --| $$ ")" --| parse_fol_optional_type_signature |
|
347 |
|| scan_general_id -- parse_fol_optional_type_signature |
|
54811 | 348 |
-- Scan.optional ($$ "<" |-- parse_types --| $$ ">") [] |
72398 | 349 |
-- Scan.optional ($$ "(" |-- parse_fol_terms --| $$ ")") [] |
58477 | 350 |
>> (fn (((s, ty_opt), tyargs), args) => |
351 |
if is_tptp_variable s andalso null tyargs andalso null args andalso is_some ty_opt then |
|
352 |
ATerm ((s, the_list ty_opt), []) |
|
353 |
else |
|
354 |
ATerm ((s, tyargs), args))) x |
|
72398 | 355 |
and parse_fol_term x = |
356 |
(parse_fol_arg -- Scan.repeat ($$ tptp_app |-- parse_fol_arg) |
|
357 |
--| parse_fol_optional_type_signature >> list_app) x |
|
358 |
and parse_fol_terms x = (parse_fol_term ::: Scan.repeat ($$ "," |-- parse_fol_term)) x |
|
39452 | 359 |
|
72398 | 360 |
fun parse_fol_atom x = |
361 |
(parse_fol_term -- |
|
362 |
Scan.option (Scan.option ($$ tptp_not_infix) --| $$ tptp_equal -- parse_fol_term) |
|
39598 | 363 |
>> (fn (u1, NONE) => AAtom u1 |
45881 | 364 |
| (u1, SOME (neg, u2)) => |
48132
9aa0fad4e864
added type arguments to "ATerm" constructor -- but don't use them yet
blanchet
parents:
48130
diff
changeset
|
365 |
AAtom (ATerm (("equal", []), [u1, u2])) |> is_some neg ? mk_anot)) x |
39452 | 366 |
|
54788
a898e15b522a
primitive support for SPASS-Pirate (Daniel Wand's polymorphic SPASS prototype)
blanchet
parents:
54772
diff
changeset
|
367 |
(* TPTP formulas are fully parenthesized, so we don't need to worry about operator precedence. *) |
72398 | 368 |
fun parse_fol_literal x = |
42968
74415622d293
more work on parsing LEO-II proofs and extracting uses of extensionality
blanchet
parents:
42966
diff
changeset
|
369 |
((Scan.repeat ($$ tptp_not) >> length) |
72398 | 370 |
-- ($$ "(" |-- parse_fol_formula --| $$ ")" |
371 |
|| parse_fol_quantified_formula |
|
372 |
|| parse_fol_atom) |
|
42605
8734eb0033b3
Vampire sometimes generates formulas with ~ (not) followed by a quantified subformula, without parentheses -- parse these correctly
blanchet
parents:
42603
diff
changeset
|
373 |
>> (fn (n, phi) => phi |> n mod 2 = 1 ? mk_anot)) x |
72398 | 374 |
and parse_fol_formula x = |
375 |
(parse_fol_literal |
|
43163 | 376 |
-- Scan.option ((Scan.this_string tptp_implies |
377 |
|| Scan.this_string tptp_iff |
|
378 |
|| Scan.this_string tptp_not_iff |
|
379 |
|| Scan.this_string tptp_if |
|
380 |
|| $$ tptp_or |
|
72398 | 381 |
|| $$ tptp_and) -- parse_fol_formula) |
39452 | 382 |
>> (fn (phi1, NONE) => phi1 |
43163 | 383 |
| (phi1, SOME (c, phi2)) => |
384 |
if c = tptp_implies then mk_aconn AImplies phi1 phi2 |
|
385 |
else if c = tptp_iff then mk_aconn AIff phi1 phi2 |
|
386 |
else if c = tptp_not_iff then mk_anot (mk_aconn AIff phi1 phi2) |
|
387 |
else if c = tptp_if then mk_aconn AImplies phi2 phi1 |
|
388 |
else if c = tptp_or then mk_aconn AOr phi1 phi2 |
|
389 |
else if c = tptp_and then mk_aconn AAnd phi1 phi2 |
|
390 |
else raise Fail ("impossible connective " ^ quote c))) x |
|
72398 | 391 |
and parse_fol_quantified_formula x = |
42968
74415622d293
more work on parsing LEO-II proofs and extracting uses of extensionality
blanchet
parents:
42966
diff
changeset
|
392 |
(($$ tptp_forall >> K AForall || $$ tptp_exists >> K AExists) |
72398 | 393 |
--| $$ "[" -- parse_fol_terms --| $$ "]" --| $$ ":" -- parse_fol_literal |
61030 | 394 |
>> (fn ((q, ts), phi) => AQuant (q, map (fn ATerm ((s, _), _) => (s, NONE)) ts, phi))) x |
39452 | 395 |
|
396 |
val parse_tstp_extra_arguments = |
|
72967
11de287ed481
tweaked tptp parsing when source info is missing
desharna
parents:
72689
diff
changeset
|
397 |
Scan.optional ($$ "," |-- parse_source --| Scan.option ($$ "," |-- skip_term)) NONE |
39452 | 398 |
|
47927
c35238d19bb9
repair the Waldmeister endgame only for Waldmeister proofs
blanchet
parents:
47926
diff
changeset
|
399 |
val waldmeister_conjecture_name = "conjecture_1" |
42943 | 400 |
|
401 |
fun is_same_term subst tm1 tm2 = |
|
402 |
let |
|
57257 | 403 |
fun do_term_pair (AAbs (((var1, typ1), body1), args1)) (AAbs (((var2, typ2), body2), args2)) |
404 |
(SOME subst) = |
|
405 |
if typ1 <> typ2 andalso length args1 = length args2 then NONE |
|
406 |
else |
|
407 |
let val ls = length subst in |
|
408 |
SOME ((var1, var2) :: subst) |
|
409 |
|> do_term_pair body1 body2 |
|
410 |
|> (fn SOME subst => SOME (nth_drop (length subst - ls - 1) subst) |
|
411 |
| NONE => NONE) |
|
412 |
|> (if length args1 = length args2 |
|
413 |
then fold2 do_term_pair args1 args2 |
|
57258
67d85a8aa6cc
Moving the remote prefix deleting on Sledgehammer's side
fleury
parents:
57257
diff
changeset
|
414 |
else K NONE) |
57257 | 415 |
end |
416 |
| do_term_pair (ATerm ((s1, _), args1)) (ATerm ((s2, _), args2)) (SOME subst) = |
|
59058
a78612c67ec0
renamed "pairself" to "apply2", in accordance to @{apply 2};
wenzelm
parents:
58654
diff
changeset
|
417 |
(case apply2 is_tptp_variable (s1, s2) of |
42943 | 418 |
(true, true) => |
419 |
(case AList.lookup (op =) subst s1 of |
|
57257 | 420 |
SOME s2' => if s2' = s2 then SOME subst else NONE |
421 |
| NONE => |
|
422 |
if null (AList.find (op =) subst s2) then SOME ((s1, s2) :: subst) |
|
423 |
else NONE) |
|
42943 | 424 |
| (false, false) => |
57257 | 425 |
if s1 = s2 then |
426 |
SOME subst |
|
42943 | 427 |
else |
428 |
NONE |
|
57257 | 429 |
| _ => NONE) |> (if length args1 = length args2 |
430 |
then fold2 do_term_pair args1 args2 |
|
57258
67d85a8aa6cc
Moving the remote prefix deleting on Sledgehammer's side
fleury
parents:
57257
diff
changeset
|
431 |
else K NONE) |
57257 | 432 |
| do_term_pair _ _ _ = NONE |
54788
a898e15b522a
primitive support for SPASS-Pirate (Daniel Wand's polymorphic SPASS prototype)
blanchet
parents:
54772
diff
changeset
|
433 |
in |
57257 | 434 |
SOME subst |> do_term_pair tm1 tm2 |> is_some |
54788
a898e15b522a
primitive support for SPASS-Pirate (Daniel Wand's polymorphic SPASS prototype)
blanchet
parents:
54772
diff
changeset
|
435 |
end |
42943 | 436 |
|
47921
fc26d5538868
ensure the "show" equation is not reoriented by Waldmeister
blanchet
parents:
47917
diff
changeset
|
437 |
fun is_same_formula comm subst (AQuant (q1, xs1, phi1)) (AQuant (q2, xs2, phi2)) = |
42943 | 438 |
q1 = q2 andalso length xs1 = length xs2 andalso |
47921
fc26d5538868
ensure the "show" equation is not reoriented by Waldmeister
blanchet
parents:
47917
diff
changeset
|
439 |
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
|
440 |
| is_same_formula comm subst (AConn (c1, phis1)) (AConn (c2, phis2)) = |
42943 | 441 |
c1 = c2 andalso length phis1 = length phis2 andalso |
47921
fc26d5538868
ensure the "show" equation is not reoriented by Waldmeister
blanchet
parents:
47917
diff
changeset
|
442 |
forall (uncurry (is_same_formula comm subst)) (phis1 ~~ phis2) |
57202 | 443 |
| is_same_formula comm subst (AAtom (tm1 as ATerm (("equal", tys), [tm11, tm12]))) (AAtom tm2) = |
47926 | 444 |
is_same_term subst tm1 tm2 orelse |
54799 | 445 |
(comm andalso is_same_term subst (ATerm (("equal", tys), [tm12, tm11])) tm2) |
47921
fc26d5538868
ensure the "show" equation is not reoriented by Waldmeister
blanchet
parents:
47917
diff
changeset
|
446 |
| 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
|
447 |
| is_same_formula _ _ _ _ = false |
42943 | 448 |
|
50521
bec828f3364e
generate comments with original names for debugging
blanchet
parents:
50236
diff
changeset
|
449 |
fun matching_formula_line_identifier phi (Formula ((ident, _), _, phi', _, _)) = |
47921
fc26d5538868
ensure the "show" equation is not reoriented by Waldmeister
blanchet
parents:
47917
diff
changeset
|
450 |
if is_same_formula true [] phi phi' then SOME (ident, phi') else NONE |
42943 | 451 |
| matching_formula_line_identifier _ _ = NONE |
452 |
||
54799 | 453 |
fun find_formula_in_problem phi = |
454 |
maps snd |
|
455 |
#> map_filter (matching_formula_line_identifier phi) |
|
456 |
#> try (single o hd) |
|
457 |
#> the_default [] |
|
42943 | 458 |
|
54799 | 459 |
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
|
460 |
| commute_eq _ = raise Fail "expected equation" |
47921
fc26d5538868
ensure the "show" equation is not reoriented by Waldmeister
blanchet
parents:
47917
diff
changeset
|
461 |
|
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
|
462 |
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
|
463 |
| 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
|
464 |
| 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
|
465 |
| 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
|
466 |
| 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
|
467 |
| 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
|
468 |
| role_of_tptp_string "plain" = Plain |
57255
488046fdda59
add support for Isar reconstruction for thf1 ATP provers like Leo-II.
fleury
parents:
57215
diff
changeset
|
469 |
| role_of_tptp_string "type" = Type_Role |
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
|
470 |
| 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
|
471 |
|
57697
44341963ade3
correctly translate THF functions from terms to types
blanchet
parents:
57656
diff
changeset
|
472 |
val tptp_binary_ops = |
73972
b304285fd800
parse logical operators in the right order w.r.t. backtracking
blanchet
parents:
73971
diff
changeset
|
473 |
[tptp_and, tptp_or, tptp_implies, tptp_iff, tptp_if, tptp_equal, tptp_not_equal, tptp_not_and, |
b304285fd800
parse logical operators in the right order w.r.t. backtracking
blanchet
parents:
73971
diff
changeset
|
474 |
tptp_not_or, tptp_not_iff, tptp_app] |
57256 | 475 |
|
57714
4856a7b8b9c3
Changing the role of rule "tmp_ite_elim" of the SMT solver veriT to Lemma.
fleury
parents:
57709
diff
changeset
|
476 |
fun parse_one_in_list xs = |
4856a7b8b9c3
Changing the role of rule "tmp_ite_elim" of the SMT solver veriT to Lemma.
fleury
parents:
57709
diff
changeset
|
477 |
foldl1 (op ||) (map Scan.this_string xs) |
57709 | 478 |
|
57255
488046fdda59
add support for Isar reconstruction for thf1 ATP provers like Leo-II.
fleury
parents:
57215
diff
changeset
|
479 |
fun parse_binary_op x = |
57709 | 480 |
(parse_one_in_list tptp_binary_ops |
57697
44341963ade3
correctly translate THF functions from terms to types
blanchet
parents:
57656
diff
changeset
|
481 |
>> (fn c => if c = tptp_equal then "equal" else c)) x |
57255
488046fdda59
add support for Isar reconstruction for thf1 ATP provers like Leo-II.
fleury
parents:
57215
diff
changeset
|
482 |
|
72398 | 483 |
val parse_fol_quantifier = |
57709 | 484 |
parse_one_in_list [tptp_forall, tptp_exists, tptp_lambda, tptp_hilbert_choice, tptp_hilbert_the] |
485 |
||
72398 | 486 |
val parse_hol_quantifier = |
57709 | 487 |
parse_one_in_list [tptp_ho_forall, tptp_ho_exists, tptp_hilbert_choice, tptp_hilbert_the] |
488 |
||
57255
488046fdda59
add support for Isar reconstruction for thf1 ATP provers like Leo-II.
fleury
parents:
57215
diff
changeset
|
489 |
fun mk_ho_of_fo_quant q = |
488046fdda59
add support for Isar reconstruction for thf1 ATP provers like Leo-II.
fleury
parents:
57215
diff
changeset
|
490 |
if q = tptp_forall then tptp_ho_forall |
488046fdda59
add support for Isar reconstruction for thf1 ATP provers like Leo-II.
fleury
parents:
57215
diff
changeset
|
491 |
else if q = tptp_exists then tptp_ho_exists |
57709 | 492 |
else if q = tptp_hilbert_choice then tptp_hilbert_choice |
493 |
else if q = tptp_hilbert_the then tptp_hilbert_the |
|
57255
488046fdda59
add support for Isar reconstruction for thf1 ATP provers like Leo-II.
fleury
parents:
57215
diff
changeset
|
494 |
else raise Fail ("unrecognized quantification: " ^ q) |
488046fdda59
add support for Isar reconstruction for thf1 ATP provers like Leo-II.
fleury
parents:
57215
diff
changeset
|
495 |
|
74049
d0b190b4f15d
parse TPTP operator @ also when not parenthesized
blanchet
parents:
74006
diff
changeset
|
496 |
fun remove_hol_app (ATerm ((s, ty), arg)) = |
d0b190b4f15d
parse TPTP operator @ also when not parenthesized
blanchet
parents:
74006
diff
changeset
|
497 |
if s = tptp_app then |
61329
426c9c858099
added "!=" (disequality) as a TPTP binary operator, since it pops up in LEO-II proofs
blanchet
parents:
61030
diff
changeset
|
498 |
(case arg of |
74049
d0b190b4f15d
parse TPTP operator @ also when not parenthesized
blanchet
parents:
74006
diff
changeset
|
499 |
ATerm ((s, ty), arg) :: t => remove_hol_app (ATerm ((s, ty), map remove_hol_app arg @ t)) |
61329
426c9c858099
added "!=" (disequality) as a TPTP binary operator, since it pops up in LEO-II proofs
blanchet
parents:
61030
diff
changeset
|
500 |
| [AAbs ((var, tvar), phi), t] => |
72398 | 501 |
remove_hol_app (AAbs ((var, tvar), map remove_hol_app phi @ [t]))) |
61329
426c9c858099
added "!=" (disequality) as a TPTP binary operator, since it pops up in LEO-II proofs
blanchet
parents:
61030
diff
changeset
|
502 |
else |
74049
d0b190b4f15d
parse TPTP operator @ also when not parenthesized
blanchet
parents:
74006
diff
changeset
|
503 |
ATerm ((s, ty), map remove_hol_app arg) |
d0b190b4f15d
parse TPTP operator @ also when not parenthesized
blanchet
parents:
74006
diff
changeset
|
504 |
| remove_hol_app (AAbs (((s, ty), arg), t)) = AAbs (((s, ty), remove_hol_app arg), t) |
57255
488046fdda59
add support for Isar reconstruction for thf1 ATP provers like Leo-II.
fleury
parents:
57215
diff
changeset
|
505 |
|
72398 | 506 |
fun parse_hol_typed_var x = |
66428 | 507 |
(Scan.repeat (scan_general_id -- Scan.option ($$ tptp_has_type |-- parse_type) |
57255
488046fdda59
add support for Isar reconstruction for thf1 ATP provers like Leo-II.
fleury
parents:
57215
diff
changeset
|
508 |
--| Scan.option (Scan.this_string ",")) |
72398 | 509 |
|| $$ "(" |-- parse_hol_typed_var --| $$ ")") x |
57255
488046fdda59
add support for Isar reconstruction for thf1 ATP provers like Leo-II.
fleury
parents:
57215
diff
changeset
|
510 |
|
72398 | 511 |
fun parse_simple_hol_term x = |
512 |
(parse_fol_quantifier -- ($$ "[" |-- parse_hol_typed_var --| $$ "]" --| $$ ":") -- parse_hol_term |
|
57257 | 513 |
>> (fn ((q, ys), t) => |
57255
488046fdda59
add support for Isar reconstruction for thf1 ATP provers like Leo-II.
fleury
parents:
57215
diff
changeset
|
514 |
fold_rev |
488046fdda59
add support for Isar reconstruction for thf1 ATP provers like Leo-II.
fleury
parents:
57215
diff
changeset
|
515 |
(fn (var, ty) => fn r => |
57257 | 516 |
AAbs (((var, the_default dummy_atype ty), r), []) |
517 |
|> (if tptp_lambda <> q then |
|
518 |
mk_app (q |> mk_ho_of_fo_quant |
|
519 |
|> mk_simple_aterm) |
|
520 |
else I)) |
|
521 |
ys t) |
|
72398 | 522 |
|| Scan.this_string tptp_not |-- parse_hol_term >> mk_app (mk_simple_aterm tptp_not) |
66428 | 523 |
|| scan_general_id -- Scan.option ($$ tptp_has_type |-- parse_type) |
61329
426c9c858099
added "!=" (disequality) as a TPTP binary operator, since it pops up in LEO-II proofs
blanchet
parents:
61030
diff
changeset
|
524 |
>> (fn (var, typ_opt) => ATerm ((var, the_list typ_opt), [])) |
72398 | 525 |
|| parse_hol_quantifier >> mk_simple_aterm |
526 |
|| $$ "(" |-- parse_hol_term --| $$ ")" |
|
58324
65651cb9d191
correction in the thf0 parser ("(=)" found in a Satallax proof).
fleury
parents:
58091
diff
changeset
|
527 |
|| parse_binary_op >> mk_simple_aterm) x |
72398 | 528 |
and parse_hol_term x = |
74049
d0b190b4f15d
parse TPTP operator @ also when not parenthesized
blanchet
parents:
74006
diff
changeset
|
529 |
(parse_simple_hol_term -- Scan.repeat (parse_binary_op -- parse_simple_hol_term) |
d0b190b4f15d
parse TPTP operator @ also when not parenthesized
blanchet
parents:
74006
diff
changeset
|
530 |
>> (fn (t1, c_ti_s) => |
d0b190b4f15d
parse TPTP operator @ also when not parenthesized
blanchet
parents:
74006
diff
changeset
|
531 |
fold (fn (c, ti) => fn left => |
d0b190b4f15d
parse TPTP operator @ also when not parenthesized
blanchet
parents:
74006
diff
changeset
|
532 |
if c = tptp_app then mk_app left ti else mk_apps (mk_simple_aterm c) [left, ti]) |
d0b190b4f15d
parse TPTP operator @ also when not parenthesized
blanchet
parents:
74006
diff
changeset
|
533 |
c_ti_s t1)) x |
57255
488046fdda59
add support for Isar reconstruction for thf1 ATP provers like Leo-II.
fleury
parents:
57215
diff
changeset
|
534 |
|
72398 | 535 |
fun parse_hol_formula x = (parse_hol_term #>> remove_hol_app #>> AAtom) x |
57255
488046fdda59
add support for Isar reconstruction for thf1 ATP provers like Leo-II.
fleury
parents:
57215
diff
changeset
|
536 |
|
72398 | 537 |
fun parse_tstp_hol_line problem = |
61329
426c9c858099
added "!=" (disequality) as a TPTP binary operator, since it pops up in LEO-II proofs
blanchet
parents:
61030
diff
changeset
|
538 |
(Scan.this_string tptp_thf -- $$ "(") |-- scan_general_id --| $$ "," |
72398 | 539 |
-- Symbol.scan_ascii_id --| $$ "," -- (parse_hol_formula || skip_term >> K dummy_phi) |
67022
49309fe530fd
more robust parsing for THF proofs (esp. polymorphic Leo-III proofs)
blanchet
parents:
67021
diff
changeset
|
540 |
-- parse_tstp_extra_arguments --| $$ ")" |
61329
426c9c858099
added "!=" (disequality) as a TPTP binary operator, since it pops up in LEO-II proofs
blanchet
parents:
61030
diff
changeset
|
541 |
--| $$ "." |
72967
11de287ed481
tweaked tptp parsing when source info is missing
desharna
parents:
72689
diff
changeset
|
542 |
>> (fn (((num, role), phi), src) => |
57255
488046fdda59
add support for Isar reconstruction for thf1 ATP provers like Leo-II.
fleury
parents:
57215
diff
changeset
|
543 |
let |
57257 | 544 |
val role' = role_of_tptp_string role |
57255
488046fdda59
add support for Isar reconstruction for thf1 ATP provers like Leo-II.
fleury
parents:
57215
diff
changeset
|
545 |
val ((name, phi), rule, deps) = |
72967
11de287ed481
tweaked tptp parsing when source info is missing
desharna
parents:
72689
diff
changeset
|
546 |
(case src of |
11de287ed481
tweaked tptp parsing when source info is missing
desharna
parents:
72689
diff
changeset
|
547 |
SOME (File_Source (_, SOME s)) => |
57257 | 548 |
if role' = Definition then |
549 |
(((num, map fst (find_formula_in_problem phi problem)), phi), "", []) |
|
550 |
else |
|
70935
535ff1eac86c
removed support for E-ToFoF, which has lost its raison d'etre since E 2.0 supports TF0
blanchet
parents:
70934
diff
changeset
|
551 |
(((num, [s]), phi), "", []) |
72967
11de287ed481
tweaked tptp parsing when source info is missing
desharna
parents:
72689
diff
changeset
|
552 |
| SOME (Inference_Source (rule, deps)) => (((num, []), phi), rule, deps) |
11de287ed481
tweaked tptp parsing when source info is missing
desharna
parents:
72689
diff
changeset
|
553 |
| SOME (Introduced_Source rule) => (((num, []), phi), rule, []) |
11de287ed481
tweaked tptp parsing when source info is missing
desharna
parents:
72689
diff
changeset
|
554 |
| _ => (((num, [num]), phi), "", [])) |
57255
488046fdda59
add support for Isar reconstruction for thf1 ATP provers like Leo-II.
fleury
parents:
57215
diff
changeset
|
555 |
in |
57257 | 556 |
[(name, role', phi, rule, map (rpair []) deps)] |
57255
488046fdda59
add support for Isar reconstruction for thf1 ATP provers like Leo-II.
fleury
parents:
57215
diff
changeset
|
557 |
end) |
488046fdda59
add support for Isar reconstruction for thf1 ATP provers like Leo-II.
fleury
parents:
57215
diff
changeset
|
558 |
|
72398 | 559 |
fun parse_tstp_fol_line problem = |
560 |
((Scan.this_string tptp_cnf || Scan.this_string tptp_fof || Scan.this_string tptp_tff) -- $$ "(") |
|
50236 | 561 |
|-- scan_general_id --| $$ "," -- Symbol.scan_ascii_id --| $$ "," |
72398 | 562 |
-- (parse_fol_formula || skip_term >> K dummy_phi) -- parse_tstp_extra_arguments |
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
|
563 |
--| $$ ")" --| $$ "." |
57785 | 564 |
>> (fn (((num, role0), phi), src) => |
42943 | 565 |
let |
57785 | 566 |
val role = role_of_tptp_string role0 |
567 |
val ((name, phi), role', rule, deps) = |
|
42943 | 568 |
(* Waldmeister isn't exactly helping. *) |
57785 | 569 |
(case src of |
72967
11de287ed481
tweaked tptp parsing when source info is missing
desharna
parents:
72689
diff
changeset
|
570 |
SOME (File_Source (_, SOME s)) => |
47927
c35238d19bb9
repair the Waldmeister endgame only for Waldmeister proofs
blanchet
parents:
47926
diff
changeset
|
571 |
(if s = waldmeister_conjecture_name then |
54799 | 572 |
(case find_formula_in_problem (mk_anot phi) problem of |
57202 | 573 |
(* Waldmeister hack: Get the original orientation of the equation to avoid |
574 |
confusing Isar. *) |
|
47921
fc26d5538868
ensure the "show" equation is not reoriented by Waldmeister
blanchet
parents:
47917
diff
changeset
|
575 |
[(s, phi')] => |
fc26d5538868
ensure the "show" equation is not reoriented by Waldmeister
blanchet
parents:
47917
diff
changeset
|
576 |
((num, [s]), |
54788
a898e15b522a
primitive support for SPASS-Pirate (Daniel Wand's polymorphic SPASS prototype)
blanchet
parents:
54772
diff
changeset
|
577 |
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
|
578 |
| _ => ((num, []), phi)) |
47921
fc26d5538868
ensure the "show" equation is not reoriented by Waldmeister
blanchet
parents:
47917
diff
changeset
|
579 |
else |
70935
535ff1eac86c
removed support for E-ToFoF, which has lost its raison d'etre since E 2.0 supports TF0
blanchet
parents:
70934
diff
changeset
|
580 |
((num, [s]), phi), |
57785 | 581 |
role, "", []) |
72967
11de287ed481
tweaked tptp parsing when source info is missing
desharna
parents:
72689
diff
changeset
|
582 |
| SOME (File_Source _) => |
57785 | 583 |
(((num, map fst (find_formula_in_problem phi problem)), phi), role, "", []) |
72967
11de287ed481
tweaked tptp parsing when source info is missing
desharna
parents:
72689
diff
changeset
|
584 |
| SOME (Inference_Source (rule, deps)) => (((num, []), phi), role, rule, deps) |
11de287ed481
tweaked tptp parsing when source info is missing
desharna
parents:
72689
diff
changeset
|
585 |
| SOME (Introduced_Source rule) => (((num, []), phi), Lemma, rule, []) |
11de287ed481
tweaked tptp parsing when source info is missing
desharna
parents:
72689
diff
changeset
|
586 |
| _ => (((num, [num]), phi), role, "", [])) |
57785 | 587 |
|
588 |
fun mk_step () = (name, role', phi, rule, map (rpair []) deps) |
|
42943 | 589 |
in |
57785 | 590 |
[(case role' of |
56404
9cb137ec6ec8
use Z3 TPTP cores rather than proofs since the latter are somewhat broken
blanchet
parents:
56397
diff
changeset
|
591 |
Definition => |
9cb137ec6ec8
use Z3 TPTP cores rather than proofs since the latter are somewhat broken
blanchet
parents:
56397
diff
changeset
|
592 |
(case phi of |
57255
488046fdda59
add support for Isar reconstruction for thf1 ATP provers like Leo-II.
fleury
parents:
57215
diff
changeset
|
593 |
AAtom (ATerm (("equal", _), _)) => |
56404
9cb137ec6ec8
use Z3 TPTP cores rather than proofs since the latter are somewhat broken
blanchet
parents:
56397
diff
changeset
|
594 |
(* Vampire's equality proxy axiom *) |
9cb137ec6ec8
use Z3 TPTP cores rather than proofs since the latter are somewhat broken
blanchet
parents:
56397
diff
changeset
|
595 |
(name, Definition, phi, rule, map (rpair []) deps) |
57257 | 596 |
| _ => mk_step ()) |
56404
9cb137ec6ec8
use Z3 TPTP cores rather than proofs since the latter are somewhat broken
blanchet
parents:
56397
diff
changeset
|
597 |
| _ => mk_step ())] |
42943 | 598 |
end) |
39452 | 599 |
|
72398 | 600 |
fun parse_tstp_line problem = parse_tstp_fol_line problem || parse_tstp_hol_line problem |
601 |
||
39452 | 602 |
(**** PARSING OF SPASS OUTPUT ****) |
603 |
||
57786 | 604 |
(* SPASS returns clause references of the form "x.y". We ignore "y". *) |
39452 | 605 |
val parse_dot_name = scan_general_id --| $$ "." --| scan_general_id |
606 |
||
607 |
val parse_spass_annotations = |
|
54811 | 608 |
Scan.optional ($$ ":" |-- Scan.repeat (parse_dot_name --| Scan.option ($$ ","))) [] |
39452 | 609 |
|
57786 | 610 |
(* We ignore the stars and the pluses that follow literals. *) |
39602 | 611 |
fun parse_decorated_atom x = |
72398 | 612 |
(parse_fol_atom --| Scan.repeat ($$ "*" || $$ "+" || $$ " ")) x |
39452 | 613 |
|
48132
9aa0fad4e864
added type arguments to "ATerm" constructor -- but don't use them yet
blanchet
parents:
48130
diff
changeset
|
614 |
fun mk_horn ([], []) = AAtom (ATerm (("c_False", []), [])) |
58091 | 615 |
| mk_horn (neg_lits, pos_lits) = foldr1 (uncurry (mk_aconn AOr)) (map mk_anot neg_lits @ pos_lits) |
39452 | 616 |
|
39645 | 617 |
fun parse_horn_clause x = |
618 |
(Scan.repeat parse_decorated_atom --| $$ "|" --| $$ "|" |
|
619 |
-- Scan.repeat parse_decorated_atom --| $$ "-" --| $$ ">" |
|
620 |
-- Scan.repeat parse_decorated_atom |
|
621 |
>> (mk_horn o apfst (op @))) x |
|
39452 | 622 |
|
46390 | 623 |
val parse_spass_debug = |
54788
a898e15b522a
primitive support for SPASS-Pirate (Daniel Wand's polymorphic SPASS prototype)
blanchet
parents:
54772
diff
changeset
|
624 |
Scan.option ($$ "(" |-- Scan.repeat (scan_general_id --| Scan.option ($$ ",")) --| $$ ")") |
46390 | 625 |
|
54788
a898e15b522a
primitive support for SPASS-Pirate (Daniel Wand's polymorphic SPASS prototype)
blanchet
parents:
54772
diff
changeset
|
626 |
(* Syntax: <num>[0:<inference><annotations>] <atoms> || <atoms> -> <atoms> . |
46427 | 627 |
derived from formulae <ident>* *) |
48005
eeede26f2721
killed SPASS 3.5/3.7 FLOTTER hack -- requires users to upgrade to SPASS 3.8
blanchet
parents:
47972
diff
changeset
|
628 |
fun parse_spass_line x = |
54788
a898e15b522a
primitive support for SPASS-Pirate (Daniel Wand's polymorphic SPASS prototype)
blanchet
parents:
54772
diff
changeset
|
629 |
(parse_spass_debug |-- scan_general_id --| $$ "[" --| Scan.many1 Symbol.is_digit --| $$ ":" |
a898e15b522a
primitive support for SPASS-Pirate (Daniel Wand's polymorphic SPASS prototype)
blanchet
parents:
54772
diff
changeset
|
630 |
-- Symbol.scan_ascii_id -- parse_spass_annotations --| $$ "]" -- parse_horn_clause --| $$ "." |
48005
eeede26f2721
killed SPASS 3.5/3.7 FLOTTER hack -- requires users to upgrade to SPASS 3.8
blanchet
parents:
47972
diff
changeset
|
631 |
-- Scan.option (Scan.this_string "derived from formulae " |
eeede26f2721
killed SPASS 3.5/3.7 FLOTTER hack -- requires users to upgrade to SPASS 3.8
blanchet
parents:
47972
diff
changeset
|
632 |
|-- Scan.repeat (scan_general_id --| Scan.option ($$ " "))) |
eeede26f2721
killed SPASS 3.5/3.7 FLOTTER hack -- requires users to upgrade to SPASS 3.8
blanchet
parents:
47972
diff
changeset
|
633 |
>> (fn ((((num, rule), deps), u), names) => |
56404
9cb137ec6ec8
use Z3 TPTP cores rather than proofs since the latter are somewhat broken
blanchet
parents:
56397
diff
changeset
|
634 |
[((num, these names), Unknown, u, rule, map (rpair []) deps)])) x |
45162 | 635 |
|
52077 | 636 |
fun core_inference inf fact = ((fact, [fact]), Unknown, dummy_phi, inf, []) |
637 |
||
56404
9cb137ec6ec8
use Z3 TPTP cores rather than proofs since the latter are somewhat broken
blanchet
parents:
56397
diff
changeset
|
638 |
(* Syntax: SZS core <name> ... <name> *) |
9cb137ec6ec8
use Z3 TPTP cores rather than proofs since the latter are somewhat broken
blanchet
parents:
56397
diff
changeset
|
639 |
fun parse_z3_tptp_core_line x = |
9cb137ec6ec8
use Z3 TPTP cores rather than proofs since the latter are somewhat broken
blanchet
parents:
56397
diff
changeset
|
640 |
(Scan.this_string "SZS core" |-- Scan.repeat ($$ " " |-- scan_general_id) |
9cb137ec6ec8
use Z3 TPTP cores rather than proofs since the latter are somewhat broken
blanchet
parents:
56397
diff
changeset
|
641 |
>> map (core_inference z3_tptp_core_rule)) x |
43481 | 642 |
|
57258
67d85a8aa6cc
Moving the remote prefix deleting on Sledgehammer's side
fleury
parents:
57257
diff
changeset
|
643 |
fun parse_line local_name problem = |
67022
49309fe530fd
more robust parsing for THF proofs (esp. polymorphic Leo-III proofs)
blanchet
parents:
67021
diff
changeset
|
644 |
(* Satallax is handled separately, in "atp_satallax.ML". *) |
72398 | 645 |
if local_name = spassN then parse_spass_line |
57258
67d85a8aa6cc
Moving the remote prefix deleting on Sledgehammer's side
fleury
parents:
57257
diff
changeset
|
646 |
else if local_name = z3_tptpN then parse_z3_tptp_core_line |
57154 | 647 |
else parse_tstp_line problem |
648 |
||
52077 | 649 |
fun core_of_agsyhol_proof s = |
54788
a898e15b522a
primitive support for SPASS-Pirate (Daniel Wand's polymorphic SPASS prototype)
blanchet
parents:
54772
diff
changeset
|
650 |
(case split_lines s of |
52077 | 651 |
"The transformed problem consists of the following conjectures:" :: conj :: |
54788
a898e15b522a
primitive support for SPASS-Pirate (Daniel Wand's polymorphic SPASS prototype)
blanchet
parents:
54772
diff
changeset
|
652 |
_ :: proof_term :: _ => SOME (unprefix " " conj :: find_enclosed "<<" ">>" proof_term) |
a898e15b522a
primitive support for SPASS-Pirate (Daniel Wand's polymorphic SPASS prototype)
blanchet
parents:
54772
diff
changeset
|
653 |
| _ => NONE) |
52077 | 654 |
|
42968
74415622d293
more work on parsing LEO-II proofs and extracting uses of extensionality
blanchet
parents:
42966
diff
changeset
|
655 |
fun clean_up_dependencies _ [] = [] |
51201 | 656 |
| clean_up_dependencies seen ((name, role, u, rule, deps) :: steps) = |
54811 | 657 |
(name, role, u, rule, map_filter (fn dep => find_first (is_same_atp_step dep) seen) deps) :: |
42968
74415622d293
more work on parsing LEO-II proofs and extracting uses of extensionality
blanchet
parents:
42966
diff
changeset
|
658 |
clean_up_dependencies (name :: seen) steps |
74415622d293
more work on parsing LEO-II proofs and extracting uses of extensionality
blanchet
parents:
42966
diff
changeset
|
659 |
|
42975 | 660 |
fun clean_up_atp_proof_dependencies proof = clean_up_dependencies [] proof |
39452 | 661 |
|
50704 | 662 |
fun map_term_names_in_atp_proof f = |
663 |
let |
|
54820 | 664 |
fun map_type (AType ((s, clss), tys)) = AType ((f s, map f clss), map map_type tys) |
54811 | 665 |
| map_type (AFun (ty, ty')) = AFun (map_type ty, map_type ty') |
666 |
| map_type (APi (ss, ty)) = APi (map f ss, map_type ty) |
|
667 |
||
668 |
fun map_term (ATerm ((s, tys), ts)) = ATerm ((f s, map map_type tys), map map_term ts) |
|
669 |
| map_term (AAbs (((s, ty), tm), args)) = |
|
670 |
AAbs (((f s, map_type ty), map_term tm), map map_term args) |
|
671 |
||
56397 | 672 |
fun map_formula (AQuant (q, xs, phi)) = AQuant (q, map (apfst f) xs, map_formula phi) |
54811 | 673 |
| map_formula (AConn (c, phis)) = AConn (c, map map_formula phis) |
674 |
| map_formula (AAtom t) = AAtom (map_term t) |
|
675 |
||
56397 | 676 |
fun map_step (name, role, phi, rule, deps) = (name, role, map_formula phi, rule, deps) |
54811 | 677 |
in |
678 |
map map_step |
|
679 |
end |
|
39454 | 680 |
|
57261 | 681 |
fun nasty_name pool s = Symtab.lookup pool s |> the_default s |
50704 | 682 |
|
39454 | 683 |
fun nasty_atp_proof pool = |
50704 | 684 |
not (Symtab.is_empty pool) ? map_term_names_in_atp_proof (nasty_name pool) |
39454 | 685 |
|
72355 | 686 |
fun string_of_list f xs = enclose "[" "]" (commas (map f xs)) |
687 |
||
688 |
fun string_of_atp_step_name (s, ss) = "(" ^ s ^ ", " ^ string_of_list I ss ^ ")" |
|
689 |
||
690 |
fun string_of_atp_step f g (name, role, x, y, names) = |
|
691 |
let |
|
692 |
val name' = string_of_atp_step_name name |
|
693 |
val role' = ATP_Problem.tptp_string_of_role role |
|
694 |
val x' = f x |
|
695 |
val y' = g y |
|
696 |
val names' = string_of_list string_of_atp_step_name names |
|
697 |
in |
|
698 |
"(" ^ name' ^ ", " ^ role' ^ ", " ^ x' ^ ", " ^ y' ^ ", " ^ names' ^ ")" |
|
699 |
end |
|
700 |
||
72399
f8900a5ad4a7
drop obsolete ad hoc support for Satallax isar proof reconstruction
desharna
parents:
72398
diff
changeset
|
701 |
fun parse_proof local_name problem = |
f8900a5ad4a7
drop obsolete ad hoc support for Satallax isar proof reconstruction
desharna
parents:
72398
diff
changeset
|
702 |
strip_spaces_except_between_idents |
f8900a5ad4a7
drop obsolete ad hoc support for Satallax isar proof reconstruction
desharna
parents:
72398
diff
changeset
|
703 |
#> raw_explode |
f8900a5ad4a7
drop obsolete ad hoc support for Satallax isar proof reconstruction
desharna
parents:
72398
diff
changeset
|
704 |
#> Scan.error (!! (fn _ => raise UNRECOGNIZED_ATP_PROOF ()) |
f8900a5ad4a7
drop obsolete ad hoc support for Satallax isar proof reconstruction
desharna
parents:
72398
diff
changeset
|
705 |
(Scan.finite Symbol.stopper (Scan.repeats1 (parse_line local_name problem)))) |
f8900a5ad4a7
drop obsolete ad hoc support for Satallax isar proof reconstruction
desharna
parents:
72398
diff
changeset
|
706 |
#> fst |
f8900a5ad4a7
drop obsolete ad hoc support for Satallax isar proof reconstruction
desharna
parents:
72398
diff
changeset
|
707 |
|
f8900a5ad4a7
drop obsolete ad hoc support for Satallax isar proof reconstruction
desharna
parents:
72398
diff
changeset
|
708 |
fun atp_proof_of_tstplike_proof _ _ "" = [] |
f8900a5ad4a7
drop obsolete ad hoc support for Satallax isar proof reconstruction
desharna
parents:
72398
diff
changeset
|
709 |
| atp_proof_of_tstplike_proof local_prover problem tstp = |
f8900a5ad4a7
drop obsolete ad hoc support for Satallax isar proof reconstruction
desharna
parents:
72398
diff
changeset
|
710 |
(case core_of_agsyhol_proof tstp of |
f8900a5ad4a7
drop obsolete ad hoc support for Satallax isar proof reconstruction
desharna
parents:
72398
diff
changeset
|
711 |
SOME facts => facts |> map (core_inference agsyhol_core_rule) |
f8900a5ad4a7
drop obsolete ad hoc support for Satallax isar proof reconstruction
desharna
parents:
72398
diff
changeset
|
712 |
| NONE => |
f8900a5ad4a7
drop obsolete ad hoc support for Satallax isar proof reconstruction
desharna
parents:
72398
diff
changeset
|
713 |
tstp ^ "$" (* the $ sign acts as a sentinel (FIXME: needed?) *) |
f8900a5ad4a7
drop obsolete ad hoc support for Satallax isar proof reconstruction
desharna
parents:
72398
diff
changeset
|
714 |
|> parse_proof local_prover problem |
72967
11de287ed481
tweaked tptp parsing when source info is missing
desharna
parents:
72689
diff
changeset
|
715 |
|> local_prover = vampireN ? perhaps (try (sort (vampire_step_name_ord o apply2 #1)))) |
72399
f8900a5ad4a7
drop obsolete ad hoc support for Satallax isar proof reconstruction
desharna
parents:
72398
diff
changeset
|
716 |
|
39452 | 717 |
end; |