author | blanchet |
Mon, 19 Apr 2010 18:44:12 +0200 | |
changeset 36231 | bede2d49ba3b |
parent 36229 | c95fab3f9cc5 |
child 36235 | 61159615a0c5 |
permissions | -rw-r--r-- |
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(* Title: HOL/Tools/ATP_Manager/atp_manager.ML |
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Author: Fabian Immler, TU Muenchen |
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Author: Makarius |
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Author: Jasmin Blanchette, TU Muenchen |
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Central manager component for ATP threads. |
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*) |
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signature ATP_MANAGER = |
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sig |
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type relevance_override = Sledgehammer_Fact_Filter.relevance_override |
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type params = |
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{debug: bool, |
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verbose: bool, |
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overlord: bool, |
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atps: string list, |
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full_types: bool, |
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respect_no_atp: bool, |
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relevance_threshold: real, |
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convergence: real, |
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theory_relevant: bool option, |
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higher_order: bool option, |
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follow_defs: bool, |
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isar_proof: bool, |
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modulus: int, |
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sorts: bool, |
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timeout: Time.time, |
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minimize_timeout: Time.time} |
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type problem = |
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{subgoal: int, |
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goal: Proof.context * (thm list * thm), |
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relevance_override: relevance_override, |
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axiom_clauses: (thm * (string * int)) list option, |
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filtered_clauses: (thm * (string * int)) list option} |
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type prover_result = |
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{success: bool, |
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message: string, |
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relevant_thm_names: string list, |
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atp_run_time_in_msecs: int, |
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proof: string, |
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internal_thm_names: string Vector.vector, |
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filtered_clauses: (thm * (string * int)) list} |
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type prover = params -> Time.time -> problem -> prover_result |
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val atps: string Unsynchronized.ref |
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val timeout: int Unsynchronized.ref |
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val full_types: bool Unsynchronized.ref |
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val kill_atps: unit -> unit |
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val running_atps: unit -> unit |
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val messages: int option -> unit |
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val add_prover: string * prover -> theory -> theory |
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val get_prover: theory -> string -> prover option |
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val available_atps: theory -> unit |
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val sledgehammer: params -> int -> relevance_override -> Proof.state -> unit |
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end; |
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structure ATP_Manager : ATP_MANAGER = |
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struct |
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open Sledgehammer_Util |
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open Sledgehammer_Fact_Filter |
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open Sledgehammer_Proof_Reconstruct |
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(** parameters, problems, results, and provers **) |
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type params = |
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{debug: bool, |
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verbose: bool, |
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overlord: bool, |
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atps: string list, |
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full_types: bool, |
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respect_no_atp: bool, |
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relevance_threshold: real, |
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convergence: real, |
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theory_relevant: bool option, |
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higher_order: bool option, |
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follow_defs: bool, |
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isar_proof: bool, |
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modulus: int, |
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sorts: bool, |
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timeout: Time.time, |
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minimize_timeout: Time.time} |
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type problem = |
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{subgoal: int, |
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goal: Proof.context * (thm list * thm), |
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relevance_override: relevance_override, |
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axiom_clauses: (thm * (string * int)) list option, |
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filtered_clauses: (thm * (string * int)) list option}; |
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type prover_result = |
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{success: bool, |
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message: string, |
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relevant_thm_names: string list, |
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atp_run_time_in_msecs: int, |
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proof: string, |
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internal_thm_names: string Vector.vector, |
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filtered_clauses: (thm * (string * int)) list}; |
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type prover = params -> Time.time -> problem -> prover_result; |
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(** preferences **) |
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val message_store_limit = 20; |
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val message_display_limit = 5; |
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val atps = Unsynchronized.ref "e spass remote_vampire"; |
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val timeout = Unsynchronized.ref 60; |
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val full_types = Unsynchronized.ref false; |
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val _ = |
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ProofGeneralPgip.add_preference Preferences.category_proof |
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(Preferences.string_pref atps |
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"ATP: provers" "Default automatic provers (separated by whitespace)"); |
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val _ = |
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ProofGeneralPgip.add_preference Preferences.category_proof |
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(Preferences.int_pref timeout |
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"ATP: timeout" "ATPs will be interrupted after this time (in seconds)"); |
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val _ = |
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ProofGeneralPgip.add_preference Preferences.category_proof |
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(Preferences.bool_pref full_types |
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"ATP: full types" "ATPs will use full type information"); |
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||
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(** thread management **) |
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(* data structures over threads *) |
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structure Thread_Heap = Heap |
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( |
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type elem = Time.time * Thread.thread; |
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fun ord ((a, _), (b, _)) = Time.compare (a, b); |
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); |
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fun lookup_thread xs = AList.lookup Thread.equal xs; |
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fun delete_thread xs = AList.delete Thread.equal xs; |
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fun update_thread xs = AList.update Thread.equal xs; |
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(* state of thread manager *) |
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type state = |
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{manager: Thread.thread option, |
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timeout_heap: Thread_Heap.T, |
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active: (Thread.thread * (Time.time * Time.time * string)) list, |
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cancelling: (Thread.thread * (Time.time * string)) list, |
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messages: string list, |
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store: string list}; |
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fun make_state manager timeout_heap active cancelling messages store : state = |
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{manager = manager, timeout_heap = timeout_heap, active = active, |
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cancelling = cancelling, messages = messages, store = store}; |
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val global_state = Synchronized.var "atp_manager" |
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(make_state NONE Thread_Heap.empty [] [] [] []); |
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(* unregister ATP thread *) |
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fun unregister ({verbose, ...} : params) message thread = |
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Synchronized.change global_state |
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(fn state as {manager, timeout_heap, active, cancelling, messages, store} => |
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(case lookup_thread active thread of |
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SOME (birth_time, _, description) => |
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let |
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val active' = delete_thread thread active; |
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val now = Time.now () |
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val cancelling' = (thread, (now, description)) :: cancelling; |
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val message' = |
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description ^ "\n" ^ message ^ |
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(if verbose then |
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"Total time: " ^ Int.toString (Time.toMilliseconds |
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(Time.- (now, birth_time))) ^ " ms.\n" |
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else |
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"") |
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val messages' = message' :: messages; |
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val store' = message' :: |
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(if length store <= message_store_limit then store |
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else #1 (chop message_store_limit store)); |
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in make_state manager timeout_heap active' cancelling' messages' store' end |
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| NONE => state)); |
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(* main manager thread -- only one may exist *) |
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val min_wait_time = Time.fromMilliseconds 300; |
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val max_wait_time = Time.fromSeconds 10; |
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(* This is a workaround for Proof General's off-by-a-few sendback display bug, |
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whereby "pr" in "proof" is not highlighted. *) |
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val break_into_chunks = |
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map (replace_all "\n\n" "\000") #> maps (space_explode "\000") |
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fun print_new_messages () = |
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case Synchronized.change_result global_state |
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|
200 |
(fn {manager, timeout_heap, active, cancelling, messages, store} => |
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|
201 |
(messages, make_state manager timeout_heap active cancelling [] |
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|
202 |
store)) of |
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|
203 |
[] => () |
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|
204 |
| msgs => |
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|
205 |
msgs |> break_into_chunks |
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|
206 |
|> (fn msg :: msgs => "Sledgehammer: " ^ msg :: msgs) |
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|
207 |
|> List.app priority |
29620 | 208 |
|
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|
209 |
fun check_thread_manager params = Synchronized.change global_state |
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|
210 |
(fn state as {manager, timeout_heap, active, cancelling, messages, store} => |
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|
211 |
if (case manager of SOME thread => Thread.isActive thread | NONE => false) then state |
33604
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Toplevel.thread provides Isar-style exception output;
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|
212 |
else let val manager = SOME (Toplevel.thread false (fn () => |
32938 | 213 |
let |
214 |
fun time_limit timeout_heap = |
|
215 |
(case try Thread_Heap.min timeout_heap of |
|
216 |
NONE => Time.+ (Time.now (), max_wait_time) |
|
217 |
| SOME (time, _) => time); |
|
28582 | 218 |
|
32938 | 219 |
(*action: find threads whose timeout is reached, and interrupt cancelling threads*) |
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|
220 |
fun action {manager, timeout_heap, active, cancelling, messages, store} = |
30830
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|
221 |
let val (timeout_threads, timeout_heap') = |
32938 | 222 |
Thread_Heap.upto (Time.now (), Thread.self ()) timeout_heap; |
30830
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|
223 |
in |
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|
224 |
if null timeout_threads andalso null cancelling |
30830
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|
225 |
then NONE |
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|
226 |
else |
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|
227 |
let |
32938 | 228 |
val _ = List.app (SimpleThread.interrupt o #1) cancelling; |
229 |
val cancelling' = filter (Thread.isActive o #1) cancelling; |
|
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|
230 |
val state' = make_state manager timeout_heap' active cancelling' messages store; |
30830
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|
231 |
in SOME (map #2 timeout_threads, state') end |
32938 | 232 |
end; |
30830
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changeset
|
233 |
in |
32938 | 234 |
while Synchronized.change_result global_state |
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changeset
|
235 |
(fn state as {timeout_heap, active, cancelling, messages, store, ...} => |
32938 | 236 |
if null active andalso null cancelling andalso null messages |
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|
237 |
then (false, make_state NONE timeout_heap active cancelling messages store) |
32938 | 238 |
else (true, state)) |
30830
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|
239 |
do |
32938 | 240 |
(Synchronized.timed_access global_state (SOME o time_limit o #timeout_heap) action |
30830
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|
241 |
|> these |
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|
242 |
|> List.app (unregister params "Timed out."); |
30830
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immler@in.tum.de
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changeset
|
243 |
print_new_messages (); |
32938 | 244 |
(*give threads some time to respond to interrupt*) |
30830
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changeset
|
245 |
OS.Process.sleep min_wait_time) |
263064c4d0c3
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changeset
|
246 |
end)) |
32996
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changeset
|
247 |
in make_state manager timeout_heap active cancelling messages store end); |
28582 | 248 |
|
249 |
||
32996
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|
250 |
(* register ATP thread *) |
28477
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changeset
|
251 |
|
36184
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|
252 |
fun register params birth_time death_time (thread, desc) = |
32938 | 253 |
(Synchronized.change global_state |
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parents:
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changeset
|
254 |
(fn {manager, timeout_heap, active, cancelling, messages, store} => |
29112
f2b45eea6dac
added 'atp_messages' command, which displays recent messages synchronously;
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parents:
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changeset
|
255 |
let |
32996
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parents:
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changeset
|
256 |
val timeout_heap' = Thread_Heap.insert (death_time, thread) timeout_heap; |
d2e48879e65a
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parents:
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diff
changeset
|
257 |
val active' = update_thread (thread, (birth_time, death_time, desc)) active; |
d2e48879e65a
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wenzelm
parents:
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diff
changeset
|
258 |
val state' = make_state manager timeout_heap' active' cancelling messages store; |
32938 | 259 |
in state' end); |
36184
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parents:
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changeset
|
260 |
check_thread_manager params); |
28477
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wenzelm
parents:
diff
changeset
|
261 |
|
9339d4dcec8b
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wenzelm
parents:
diff
changeset
|
262 |
|
28586
d238b83ba3fc
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parents:
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diff
changeset
|
263 |
|
d238b83ba3fc
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parents:
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changeset
|
264 |
(** user commands **) |
28582 | 265 |
|
35969 | 266 |
(* kill ATPs *) |
28586
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parents:
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diff
changeset
|
267 |
|
35969 | 268 |
fun kill_atps () = Synchronized.change global_state |
32996
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parents:
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diff
changeset
|
269 |
(fn {manager, timeout_heap, active, cancelling, messages, store} => |
32938 | 270 |
let |
32996
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wenzelm
parents:
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diff
changeset
|
271 |
val killing = map (fn (th, (_, _, desc)) => (th, (Time.now (), desc))) active; |
d2e48879e65a
removed disjunctive group cancellation -- provers run independently;
wenzelm
parents:
32995
diff
changeset
|
272 |
val state' = make_state manager timeout_heap [] (killing @ cancelling) messages store; |
32938 | 273 |
in state' end); |
28582 | 274 |
|
275 |
||
35969 | 276 |
(* running_atps *) |
28582 | 277 |
|
32938 | 278 |
fun seconds time = string_of_int (Time.toSeconds time) ^ "s"; |
279 |
||
35969 | 280 |
fun running_atps () = |
28582 | 281 |
let |
32938 | 282 |
val {active, cancelling, ...} = Synchronized.value global_state; |
29112
f2b45eea6dac
added 'atp_messages' command, which displays recent messages synchronously;
wenzelm
parents:
28835
diff
changeset
|
283 |
|
32938 | 284 |
val now = Time.now (); |
32996
d2e48879e65a
removed disjunctive group cancellation -- provers run independently;
wenzelm
parents:
32995
diff
changeset
|
285 |
fun running_info (_, (birth_time, death_time, desc)) = |
32938 | 286 |
"Running: " ^ seconds (Time.- (now, birth_time)) ^ " -- " ^ |
32996
d2e48879e65a
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wenzelm
parents:
32995
diff
changeset
|
287 |
seconds (Time.- (death_time, now)) ^ " to live:\n" ^ desc; |
d2e48879e65a
removed disjunctive group cancellation -- provers run independently;
wenzelm
parents:
32995
diff
changeset
|
288 |
fun cancelling_info (_, (deadth_time, desc)) = |
d2e48879e65a
removed disjunctive group cancellation -- provers run independently;
wenzelm
parents:
32995
diff
changeset
|
289 |
"Trying to interrupt thread since " ^ seconds (Time.- (now, deadth_time)) ^ ":\n" ^ desc; |
29112
f2b45eea6dac
added 'atp_messages' command, which displays recent messages synchronously;
wenzelm
parents:
28835
diff
changeset
|
290 |
|
28589
581b2ab9827a
adding preferences is now permissive, no error handling here;
wenzelm
parents:
28586
diff
changeset
|
291 |
val running = |
581b2ab9827a
adding preferences is now permissive, no error handling here;
wenzelm
parents:
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diff
changeset
|
292 |
if null active then "No ATPs running." |
32938 | 293 |
else space_implode "\n\n" ("Running ATPs:" :: map running_info active); |
28589
581b2ab9827a
adding preferences is now permissive, no error handling here;
wenzelm
parents:
28586
diff
changeset
|
294 |
val interrupting = |
581b2ab9827a
adding preferences is now permissive, no error handling here;
wenzelm
parents:
28586
diff
changeset
|
295 |
if null cancelling then "" |
32938 | 296 |
else |
297 |
space_implode "\n\n" |
|
298 |
("Trying to interrupt the following ATPs:" :: map cancelling_info cancelling); |
|
29112
f2b45eea6dac
added 'atp_messages' command, which displays recent messages synchronously;
wenzelm
parents:
28835
diff
changeset
|
299 |
|
36229
c95fab3f9cc5
workaround for Proof General's off-by-a-few sendback display bug, whereby "pr" in "proof" is not highlighted
blanchet
parents:
36226
diff
changeset
|
300 |
in priority (running ^ "\n" ^ interrupting) end; |
28582 | 301 |
|
29112
f2b45eea6dac
added 'atp_messages' command, which displays recent messages synchronously;
wenzelm
parents:
28835
diff
changeset
|
302 |
fun messages opt_limit = |
f2b45eea6dac
added 'atp_messages' command, which displays recent messages synchronously;
wenzelm
parents:
28835
diff
changeset
|
303 |
let |
f2b45eea6dac
added 'atp_messages' command, which displays recent messages synchronously;
wenzelm
parents:
28835
diff
changeset
|
304 |
val limit = the_default message_display_limit opt_limit; |
32938 | 305 |
val {store, ...} = Synchronized.value global_state; |
306 |
val header = |
|
307 |
"Recent ATP messages" ^ |
|
308 |
(if length store <= limit then ":" else " (" ^ string_of_int limit ^ " displayed):"); |
|
36229
c95fab3f9cc5
workaround for Proof General's off-by-a-few sendback display bug, whereby "pr" in "proof" is not highlighted
blanchet
parents:
36226
diff
changeset
|
309 |
in List.app priority (header :: break_into_chunks (#1 (chop limit store))) end |
28582 | 310 |
|
28477
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version of sledgehammer using threads instead of processes, misc cleanup;
wenzelm
parents:
diff
changeset
|
311 |
|
28586
d238b83ba3fc
renamed kill_all to kill, in conformance with atp_kill command;
wenzelm
parents:
28582
diff
changeset
|
312 |
(** The Sledgehammer **) |
28477
9339d4dcec8b
version of sledgehammer using threads instead of processes, misc cleanup;
wenzelm
parents:
diff
changeset
|
313 |
|
28582 | 314 |
(* named provers *) |
28484 | 315 |
|
36229
c95fab3f9cc5
workaround for Proof General's off-by-a-few sendback display bug, whereby "pr" in "proof" is not highlighted
blanchet
parents:
36226
diff
changeset
|
316 |
fun err_dup_prover name = error ("Duplicate prover: " ^ quote name ^ "."); |
28477
9339d4dcec8b
version of sledgehammer using threads instead of processes, misc cleanup;
wenzelm
parents:
diff
changeset
|
317 |
|
33522 | 318 |
structure Provers = Theory_Data |
28582 | 319 |
( |
35867 | 320 |
type T = (prover * stamp) Symtab.table; |
32938 | 321 |
val empty = Symtab.empty; |
322 |
val extend = I; |
|
33522 | 323 |
fun merge data : T = Symtab.merge (eq_snd op =) data |
32938 | 324 |
handle Symtab.DUP dup => err_dup_prover dup; |
28582 | 325 |
); |
28484 | 326 |
|
32864
a226f29d4bdc
re-organized signature of AtpWrapper structure: records instead of unnamed parameters and return values,
boehmes
parents:
32824
diff
changeset
|
327 |
fun add_prover (name, prover) thy = |
28595
67e3945b53f1
add_prover: plain prover function, without thread;
wenzelm
parents:
28589
diff
changeset
|
328 |
Provers.map (Symtab.update_new (name, (prover, stamp ()))) thy |
28582 | 329 |
handle Symtab.DUP dup => err_dup_prover dup; |
330 |
||
32995 | 331 |
fun get_prover thy name = |
332 |
Option.map #1 (Symtab.lookup (Provers.get thy) name); |
|
333 |
||
36229
c95fab3f9cc5
workaround for Proof General's off-by-a-few sendback display bug, whereby "pr" in "proof" is not highlighted
blanchet
parents:
36226
diff
changeset
|
334 |
fun available_atps thy = |
c95fab3f9cc5
workaround for Proof General's off-by-a-few sendback display bug, whereby "pr" in "proof" is not highlighted
blanchet
parents:
36226
diff
changeset
|
335 |
priority ("Available ATPs: " ^ |
c95fab3f9cc5
workaround for Proof General's off-by-a-few sendback display bug, whereby "pr" in "proof" is not highlighted
blanchet
parents:
36226
diff
changeset
|
336 |
commas (sort_strings (Symtab.keys (Provers.get thy))) ^ ".") |
28571 | 337 |
|
28586
d238b83ba3fc
renamed kill_all to kill, in conformance with atp_kill command;
wenzelm
parents:
28582
diff
changeset
|
338 |
|
28595
67e3945b53f1
add_prover: plain prover function, without thread;
wenzelm
parents:
28589
diff
changeset
|
339 |
(* start prover thread *) |
28484 | 340 |
|
35969 | 341 |
fun start_prover (params as {timeout, ...}) birth_time death_time i |
342 |
relevance_override proof_state name = |
|
32947
3c19b98a35cd
ATP_Manager.get_prover: canonical argument order;
wenzelm
parents:
32941
diff
changeset
|
343 |
(case get_prover (Proof.theory_of proof_state) name of |
36226 | 344 |
NONE => warning ("Unknown ATP: " ^ quote name ^ ".") |
31037
ac8669134e7a
added Philipp Meyer's implementation of AtpMinimal
immler@in.tum.de
parents:
30982
diff
changeset
|
345 |
| SOME prover => |
28595
67e3945b53f1
add_prover: plain prover function, without thread;
wenzelm
parents:
28589
diff
changeset
|
346 |
let |
35592
768d17f54125
use regular Proof.goal (which is what methods usually see) and prevent sledgehammer from crashing;
wenzelm
parents:
35569
diff
changeset
|
347 |
val {context = ctxt, facts, goal} = Proof.goal proof_state; |
36063
cdc6855a6387
make Sledgehammer output "by" vs. "apply", "qed" vs. "next", and any necessary "prefer"
blanchet
parents:
36059
diff
changeset
|
348 |
val n = Logic.count_prems (prop_of goal) |
28595
67e3945b53f1
add_prover: plain prover function, without thread;
wenzelm
parents:
28589
diff
changeset
|
349 |
val desc = |
35969 | 350 |
"ATP " ^ quote name ^ " for subgoal " ^ string_of_int i ^ ":\n" ^ |
32938 | 351 |
Syntax.string_of_term ctxt (Thm.term_of (Thm.cprem_of goal i)); |
32996
d2e48879e65a
removed disjunctive group cancellation -- provers run independently;
wenzelm
parents:
32995
diff
changeset
|
352 |
|
33604
d4220df6fde2
Toplevel.thread provides Isar-style exception output;
wenzelm
parents:
33522
diff
changeset
|
353 |
val _ = Toplevel.thread true (fn () => |
28595
67e3945b53f1
add_prover: plain prover function, without thread;
wenzelm
parents:
28589
diff
changeset
|
354 |
let |
36184
54a9c0679079
output total time taken by Sledgehammer if "verbose" is set
blanchet
parents:
36181
diff
changeset
|
355 |
val _ = register params birth_time death_time (Thread.self (), desc) |
35969 | 356 |
val problem = |
357 |
{subgoal = i, goal = (ctxt, (facts, goal)), |
|
358 |
relevance_override = relevance_override, axiom_clauses = NONE, |
|
359 |
filtered_clauses = NONE} |
|
360 |
val message = #message (prover params timeout problem) |
|
36063
cdc6855a6387
make Sledgehammer output "by" vs. "apply", "qed" vs. "next", and any necessary "prefer"
blanchet
parents:
36059
diff
changeset
|
361 |
handle Sledgehammer_HOL_Clause.TRIVIAL => |
cdc6855a6387
make Sledgehammer output "by" vs. "apply", "qed" vs. "next", and any necessary "prefer"
blanchet
parents:
36059
diff
changeset
|
362 |
metis_line i n [] |
36226 | 363 |
| ERROR msg => "Error: " ^ msg ^ ".\n"; |
36184
54a9c0679079
output total time taken by Sledgehammer if "verbose" is set
blanchet
parents:
36181
diff
changeset
|
364 |
val _ = unregister params message (Thread.self ()); |
35569 | 365 |
in () end); |
28595
67e3945b53f1
add_prover: plain prover function, without thread;
wenzelm
parents:
28589
diff
changeset
|
366 |
in () end); |
28582 | 367 |
|
368 |
||
35969 | 369 |
(* Sledgehammer the given subgoal *) |
28582 | 370 |
|
35969 | 371 |
fun sledgehammer (params as {atps, timeout, ...}) i relevance_override |
372 |
proof_state = |
|
28582 | 373 |
let |
35969 | 374 |
val birth_time = Time.now () |
375 |
val death_time = Time.+ (birth_time, timeout) |
|
36181
2156a7392885
tell the user that Sledgehammer kills its siblings
blanchet
parents:
36167
diff
changeset
|
376 |
val _ = kill_atps () (* RACE w.r.t. other invocations of Sledgehammer *) |
35969 | 377 |
val _ = priority "Sledgehammering..." |
378 |
val _ = List.app (start_prover params birth_time death_time i |
|
379 |
relevance_override proof_state) atps |
|
380 |
in () end |
|
28582 | 381 |
|
382 |
end; |