(* Title: HOL/Mirabelle/Tools/mirabelle_sledgehammer.ML
Author: Jasmin Blanchette and Sascha Boehme and Tobias Nipkow, TU Munich
*)
structure Mirabelle_Sledgehammer : MIRABELLE_ACTION =
struct
val proverK = "prover"
val prover_timeoutK = "prover_timeout"
val keepK = "keep"
val full_typesK = "full_types"
val type_sysK = "type_sys"
val minimizeK = "minimize"
val minimize_timeoutK = "minimize_timeout"
val metis_ftK = "metis_ft"
val reconstructorK = "reconstructor"
fun sh_tag id = "#" ^ string_of_int id ^ " sledgehammer: "
fun minimize_tag id = "#" ^ string_of_int id ^ " minimize (sledgehammer): "
fun reconstructor_tag reconstructor id =
"#" ^ string_of_int id ^ " " ^ (!reconstructor) ^ " (sledgehammer): "
val separator = "-----"
datatype sh_data = ShData of {
calls: int,
success: int,
nontriv_calls: int,
nontriv_success: int,
lemmas: int,
max_lems: int,
time_isa: int,
time_prover: int,
time_prover_fail: int}
datatype re_data = ReData of {
calls: int,
success: int,
nontriv_calls: int,
nontriv_success: int,
proofs: int,
time: int,
timeout: int,
lemmas: int * int * int,
posns: (Position.T * bool) list
}
datatype min_data = MinData of {
succs: int,
ab_ratios: int
}
fun make_sh_data
(calls,success,nontriv_calls,nontriv_success,lemmas,max_lems,time_isa,
time_prover,time_prover_fail) =
ShData{calls=calls, success=success, nontriv_calls=nontriv_calls,
nontriv_success=nontriv_success, lemmas=lemmas, max_lems=max_lems,
time_isa=time_isa, time_prover=time_prover,
time_prover_fail=time_prover_fail}
fun make_min_data (succs, ab_ratios) =
MinData{succs=succs, ab_ratios=ab_ratios}
fun make_re_data (calls,success,nontriv_calls,nontriv_success,proofs,time,
timeout,lemmas,posns) =
ReData{calls=calls, success=success, nontriv_calls=nontriv_calls,
nontriv_success=nontriv_success, proofs=proofs, time=time,
timeout=timeout, lemmas=lemmas, posns=posns}
val empty_sh_data = make_sh_data (0, 0, 0, 0, 0, 0, 0, 0, 0)
val empty_min_data = make_min_data (0, 0)
val empty_re_data = make_re_data (0, 0, 0, 0, 0, 0, 0, (0,0,0), [])
fun tuple_of_sh_data (ShData {calls, success, nontriv_calls, nontriv_success,
lemmas, max_lems, time_isa,
time_prover, time_prover_fail}) = (calls, success, nontriv_calls,
nontriv_success, lemmas, max_lems, time_isa, time_prover, time_prover_fail)
fun tuple_of_min_data (MinData {succs, ab_ratios}) = (succs, ab_ratios)
fun tuple_of_re_data (ReData {calls, success, nontriv_calls, nontriv_success,
proofs, time, timeout, lemmas, posns}) = (calls, success, nontriv_calls,
nontriv_success, proofs, time, timeout, lemmas, posns)
datatype reconstructor_mode =
Unminimized | Minimized | UnminimizedFT | MinimizedFT
datatype data = Data of {
sh: sh_data,
min: min_data,
re_u: re_data, (* reconstructor with unminimized set of lemmas *)
re_m: re_data, (* reconstructor with minimized set of lemmas *)
re_uft: re_data, (* reconstructor with unminimized set of lemmas and fully-typed *)
re_mft: re_data, (* reconstructor with minimized set of lemmas and fully-typed *)
mini: bool (* with minimization *)
}
fun make_data (sh, min, re_u, re_m, re_uft, re_mft, mini) =
Data {sh=sh, min=min, re_u=re_u, re_m=re_m, re_uft=re_uft, re_mft=re_mft,
mini=mini}
val empty_data = make_data (empty_sh_data, empty_min_data,
empty_re_data, empty_re_data, empty_re_data, empty_re_data, false)
fun map_sh_data f (Data {sh, min, re_u, re_m, re_uft, re_mft, mini}) =
let val sh' = make_sh_data (f (tuple_of_sh_data sh))
in make_data (sh', min, re_u, re_m, re_uft, re_mft, mini) end
fun map_min_data f (Data {sh, min, re_u, re_m, re_uft, re_mft, mini}) =
let val min' = make_min_data (f (tuple_of_min_data min))
in make_data (sh, min', re_u, re_m, re_uft, re_mft, mini) end
fun map_re_data f m (Data {sh, min, re_u, re_m, re_uft, re_mft, mini}) =
let
fun map_me g Unminimized (u, m, uft, mft) = (g u, m, uft, mft)
| map_me g Minimized (u, m, uft, mft) = (u, g m, uft, mft)
| map_me g UnminimizedFT (u, m, uft, mft) = (u, m, g uft, mft)
| map_me g MinimizedFT (u, m, uft, mft) = (u, m, uft, g mft)
val f' = make_re_data o f o tuple_of_re_data
val (re_u', re_m', re_uft', re_mft') =
map_me f' m (re_u, re_m, re_uft, re_mft)
in make_data (sh, min, re_u', re_m', re_uft', re_mft', mini) end
fun set_mini mini (Data {sh, min, re_u, re_m, re_uft, re_mft, ...}) =
make_data (sh, min, re_u, re_m, re_uft, re_mft, mini)
fun inc_max (n:int) (s,sos,m) = (s+n, sos + n*n, Int.max(m,n));
val inc_sh_calls = map_sh_data
(fn (calls, success, nontriv_calls, nontriv_success, lemmas,max_lems, time_isa, time_prover, time_prover_fail)
=> (calls + 1, success, nontriv_calls, nontriv_success, lemmas, max_lems, time_isa, time_prover, time_prover_fail))
val inc_sh_success = map_sh_data
(fn (calls, success, nontriv_calls, nontriv_success, lemmas,max_lems, time_isa, time_prover, time_prover_fail)
=> (calls, success + 1, nontriv_calls, nontriv_success, lemmas,max_lems, time_isa, time_prover, time_prover_fail))
val inc_sh_nontriv_calls = map_sh_data
(fn (calls, success, nontriv_calls, nontriv_success, lemmas,max_lems, time_isa, time_prover, time_prover_fail)
=> (calls, success, nontriv_calls + 1, nontriv_success, lemmas, max_lems, time_isa, time_prover, time_prover_fail))
val inc_sh_nontriv_success = map_sh_data
(fn (calls, success, nontriv_calls, nontriv_success, lemmas,max_lems, time_isa, time_prover, time_prover_fail)
=> (calls, success, nontriv_calls, nontriv_success + 1, lemmas,max_lems, time_isa, time_prover, time_prover_fail))
fun inc_sh_lemmas n = map_sh_data
(fn (calls,success,nontriv_calls, nontriv_success, lemmas,max_lems,time_isa,time_prover,time_prover_fail)
=> (calls,success,nontriv_calls, nontriv_success, lemmas+n,max_lems,time_isa,time_prover,time_prover_fail))
fun inc_sh_max_lems n = map_sh_data
(fn (calls,success,nontriv_calls, nontriv_success, lemmas,max_lems,time_isa,time_prover,time_prover_fail)
=> (calls,success,nontriv_calls, nontriv_success, lemmas,Int.max(max_lems,n),time_isa,time_prover,time_prover_fail))
fun inc_sh_time_isa t = map_sh_data
(fn (calls,success,nontriv_calls, nontriv_success, lemmas,max_lems,time_isa,time_prover,time_prover_fail)
=> (calls,success,nontriv_calls, nontriv_success, lemmas,max_lems,time_isa + t,time_prover,time_prover_fail))
fun inc_sh_time_prover t = map_sh_data
(fn (calls,success,nontriv_calls, nontriv_success, lemmas,max_lems,time_isa,time_prover,time_prover_fail)
=> (calls,success,nontriv_calls, nontriv_success, lemmas,max_lems,time_isa,time_prover + t,time_prover_fail))
fun inc_sh_time_prover_fail t = map_sh_data
(fn (calls,success,nontriv_calls, nontriv_success, lemmas,max_lems,time_isa,time_prover,time_prover_fail)
=> (calls,success,nontriv_calls, nontriv_success, lemmas,max_lems,time_isa,time_prover,time_prover_fail + t))
val inc_min_succs = map_min_data
(fn (succs,ab_ratios) => (succs+1, ab_ratios))
fun inc_min_ab_ratios r = map_min_data
(fn (succs, ab_ratios) => (succs, ab_ratios+r))
val inc_reconstructor_calls = map_re_data
(fn (calls,success,nontriv_calls, nontriv_success, proofs,time,timeout,lemmas,posns)
=> (calls + 1, success, nontriv_calls, nontriv_success, proofs, time, timeout, lemmas,posns))
val inc_reconstructor_success = map_re_data
(fn (calls,success,nontriv_calls, nontriv_success, proofs,time,timeout,lemmas,posns)
=> (calls, success + 1, nontriv_calls, nontriv_success, proofs, time, timeout, lemmas,posns))
val inc_reconstructor_nontriv_calls = map_re_data
(fn (calls,success,nontriv_calls, nontriv_success, proofs,time,timeout,lemmas,posns)
=> (calls, success, nontriv_calls + 1, nontriv_success, proofs, time, timeout, lemmas,posns))
val inc_reconstructor_nontriv_success = map_re_data
(fn (calls,success,nontriv_calls, nontriv_success, proofs,time,timeout,lemmas,posns)
=> (calls, success, nontriv_calls, nontriv_success + 1, proofs, time, timeout, lemmas,posns))
val inc_reconstructor_proofs = map_re_data
(fn (calls,success,nontriv_calls, nontriv_success, proofs,time,timeout,lemmas,posns)
=> (calls, success, nontriv_calls, nontriv_success, proofs + 1, time, timeout, lemmas,posns))
fun inc_reconstructor_time m t = map_re_data
(fn (calls,success,nontriv_calls, nontriv_success, proofs,time,timeout,lemmas,posns)
=> (calls, success, nontriv_calls, nontriv_success, proofs, time + t, timeout, lemmas,posns)) m
val inc_reconstructor_timeout = map_re_data
(fn (calls,success,nontriv_calls, nontriv_success, proofs,time,timeout,lemmas,posns)
=> (calls, success, nontriv_calls, nontriv_success, proofs, time, timeout + 1, lemmas,posns))
fun inc_reconstructor_lemmas m n = map_re_data
(fn (calls,success,nontriv_calls, nontriv_success, proofs,time,timeout,lemmas,posns)
=> (calls, success, nontriv_calls, nontriv_success, proofs, time, timeout, inc_max n lemmas, posns)) m
fun inc_reconstructor_posns m pos = map_re_data
(fn (calls,success,nontriv_calls, nontriv_success, proofs,time,timeout,lemmas,posns)
=> (calls, success, nontriv_calls, nontriv_success, proofs, time, timeout, lemmas, pos::posns)) m
local
val str = string_of_int
val str3 = Real.fmt (StringCvt.FIX (SOME 3))
fun percentage a b = string_of_int (a * 100 div b)
fun time t = Real.fromInt t / 1000.0
fun avg_time t n =
if n > 0 then (Real.fromInt t / 1000.0) / Real.fromInt n else 0.0
fun log_sh_data log
(calls, success, nontriv_calls, nontriv_success, lemmas, max_lems, time_isa, time_prover, time_prover_fail) =
(log ("Total number of sledgehammer calls: " ^ str calls);
log ("Number of successful sledgehammer calls: " ^ str success);
log ("Number of sledgehammer lemmas: " ^ str lemmas);
log ("Max number of sledgehammer lemmas: " ^ str max_lems);
log ("Success rate: " ^ percentage success calls ^ "%");
log ("Total number of nontrivial sledgehammer calls: " ^ str nontriv_calls);
log ("Number of successful nontrivial sledgehammer calls: " ^ str nontriv_success);
log ("Total time for sledgehammer calls (Isabelle): " ^ str3 (time time_isa));
log ("Total time for successful sledgehammer calls (ATP): " ^ str3 (time time_prover));
log ("Total time for failed sledgehammer calls (ATP): " ^ str3 (time time_prover_fail));
log ("Average time for sledgehammer calls (Isabelle): " ^
str3 (avg_time time_isa calls));
log ("Average time for successful sledgehammer calls (ATP): " ^
str3 (avg_time time_prover success));
log ("Average time for failed sledgehammer calls (ATP): " ^
str3 (avg_time time_prover_fail (calls - success)))
)
fun str_of_pos (pos, triv) =
let val str0 = string_of_int o the_default 0
in
str0 (Position.line_of pos) ^ ":" ^ str0 (Position.column_of pos) ^
(if triv then "[T]" else "")
end
fun log_re_data log tag sh_calls (re_calls, re_success, re_nontriv_calls,
re_nontriv_success, re_proofs, re_time, re_timeout,
(lemmas, lems_sos, lems_max), re_posns) =
(log ("Total number of " ^ tag ^ "reconstructor calls: " ^ str re_calls);
log ("Number of successful " ^ tag ^ "reconstructor calls: " ^ str re_success ^
" (proof: " ^ str re_proofs ^ ")");
log ("Number of " ^ tag ^ "reconstructor timeouts: " ^ str re_timeout);
log ("Success rate: " ^ percentage re_success sh_calls ^ "%");
log ("Total number of nontrivial " ^ tag ^ "reconstructor calls: " ^ str re_nontriv_calls);
log ("Number of successful nontrivial " ^ tag ^ "reconstructor calls: " ^ str re_nontriv_success ^
" (proof: " ^ str re_proofs ^ ")");
log ("Number of successful " ^ tag ^ "reconstructor lemmas: " ^ str lemmas);
log ("SOS of successful " ^ tag ^ "reconstructor lemmas: " ^ str lems_sos);
log ("Max number of successful " ^ tag ^ "reconstructor lemmas: " ^ str lems_max);
log ("Total time for successful " ^ tag ^ "reconstructor calls: " ^ str3 (time re_time));
log ("Average time for successful " ^ tag ^ "reconstructor calls: " ^
str3 (avg_time re_time re_success));
if tag=""
then log ("Proved: " ^ space_implode " " (map str_of_pos re_posns))
else ()
)
fun log_min_data log (succs, ab_ratios) =
(log ("Number of successful minimizations: " ^ string_of_int succs);
log ("After/before ratios: " ^ string_of_int ab_ratios)
)
in
fun log_data id log (Data {sh, min, re_u, re_m, re_uft, re_mft, mini}) =
let
val ShData {calls=sh_calls, ...} = sh
fun app_if (ReData {calls, ...}) f = if calls > 0 then f () else ()
fun log_re tag m =
log_re_data log tag sh_calls (tuple_of_re_data m)
fun log_reconstructor (tag1, m1) (tag2, m2) = app_if m1 (fn () =>
(log_re tag1 m1; log ""; app_if m2 (fn () => log_re tag2 m2)))
in
if sh_calls > 0
then
(log ("\n\n\nReport #" ^ string_of_int id ^ ":\n");
log_sh_data log (tuple_of_sh_data sh);
log "";
if not mini
then log_reconstructor ("", re_u) ("fully-typed ", re_uft)
else
app_if re_u (fn () =>
(log_reconstructor ("unminimized ", re_u) ("unminimized fully-typed ", re_uft);
log "";
app_if re_m (fn () =>
(log_min_data log (tuple_of_min_data min); log "";
log_reconstructor ("", re_m) ("fully-typed ", re_mft))))))
else ()
end
end
(* Warning: we implicitly assume single-threaded execution here! *)
val data = Unsynchronized.ref ([] : (int * data) list)
fun init id thy = (Unsynchronized.change data (cons (id, empty_data)); thy)
fun done id ({log, ...}: Mirabelle.done_args) =
AList.lookup (op =) (!data) id
|> Option.map (log_data id log)
|> K ()
fun change_data id f = (Unsynchronized.change data (AList.map_entry (op =) id f); ())
fun get_prover ctxt args =
let
fun default_prover_name () =
hd (#provers (Sledgehammer_Isar.default_params ctxt []))
handle Empty => error "No ATP available."
fun get_prover name =
(name, Sledgehammer_Run.get_minimizing_prover ctxt false name)
in
(case AList.lookup (op =) args proverK of
SOME name => get_prover name
| NONE => get_prover (default_prover_name ()))
end
type locality = Sledgehammer_Filter.locality
(* hack *)
fun reconstructor_from_msg args msg =
(case AList.lookup (op =) args reconstructorK of
SOME name => name
| NONE =>
if String.isSubstring "metisFT" msg then "metisFT"
else if String.isSubstring "metis" msg then "metis"
else "smt")
local
datatype sh_result =
SH_OK of int * int * (string * locality) list |
SH_FAIL of int * int |
SH_ERROR
fun run_sh prover_name prover type_sys hard_timeout timeout dir st =
let
val {context = ctxt, facts = chained_ths, goal} = Proof.goal st
val i = 1
fun change_dir (SOME dir) =
Config.put Sledgehammer_Provers.dest_dir dir
#> Config.put SMT_Config.debug_files
(dir ^ "/" ^ Name.desymbolize false (ATP_Problem.timestamp ()) ^ "_"
^ serial_string ())
| change_dir NONE = I
val st' =
st |> Proof.map_context
(change_dir dir
#> Config.put Sledgehammer_Provers.measure_run_time true)
val params as {type_sys, relevance_thresholds, max_relevant, ...} =
Sledgehammer_Isar.default_params ctxt
[("verbose", "true"),
("type_sys", type_sys),
("timeout", string_of_int timeout)]
val default_max_relevant =
Sledgehammer_Provers.default_max_relevant_for_prover ctxt prover_name
val is_built_in_const =
Sledgehammer_Provers.is_built_in_const_for_prover ctxt prover_name
val relevance_fudge =
Sledgehammer_Provers.relevance_fudge_for_prover ctxt prover_name
val relevance_override = {add = [], del = [], only = false}
val (_, hyp_ts, concl_t) = Sledgehammer_Util.strip_subgoal goal i
val no_dangerous_types =
Sledgehammer_ATP_Translate.types_dangerous_types type_sys
val time_limit =
(case hard_timeout of
NONE => I
| SOME secs => TimeLimit.timeLimit (Time.fromSeconds secs))
val ({outcome, message, used_facts, run_time_in_msecs}
: Sledgehammer_Provers.prover_result,
time_isa) = time_limit (Mirabelle.cpu_time (fn () =>
let
val facts =
Sledgehammer_Filter.relevant_facts ctxt no_dangerous_types
relevance_thresholds
(the_default default_max_relevant max_relevant) is_built_in_const
relevance_fudge relevance_override chained_ths hyp_ts concl_t
val problem =
{state = st', goal = goal, subgoal = i,
subgoal_count = Sledgehammer_Util.subgoal_count st,
facts = facts |> map Sledgehammer_Provers.Untranslated_Fact,
smt_filter = NONE}
in prover params (K "") problem end)) ()
handle TimeLimit.TimeOut =>
({outcome = SOME ATP_Proof.TimedOut, message = "", used_facts = [],
run_time_in_msecs = NONE}, ~1)
val time_prover = run_time_in_msecs |> the_default ~1
in
case outcome of
NONE => (message, SH_OK (time_isa, time_prover, used_facts))
| SOME _ => (message, SH_FAIL (time_isa, time_prover))
end
handle ERROR msg => ("error: " ^ msg, SH_ERROR)
fun thms_of_name ctxt name =
let
val lex = Keyword.get_lexicons
val get = maps (ProofContext.get_fact ctxt o fst)
in
Source.of_string name
|> Symbol.source
|> Token.source {do_recover=SOME false} lex Position.start
|> Token.source_proper
|> Source.source Token.stopper (Parse_Spec.xthms1 >> get) NONE
|> Source.exhaust
end
in
fun run_sledgehammer trivial args reconstructor named_thms id ({pre=st, log, ...}: Mirabelle.run_args) =
let
val triv_str = if trivial then "[T] " else ""
val _ = change_data id inc_sh_calls
val _ = if trivial then () else change_data id inc_sh_nontriv_calls
val (prover_name, prover) = get_prover (Proof.context_of st) args
val type_sys = AList.lookup (op =) args type_sysK |> the_default "smart"
val dir = AList.lookup (op =) args keepK
val timeout = Mirabelle.get_int_setting args (prover_timeoutK, 30)
(* always use a hard timeout, but give some slack so that the automatic
minimizer has a chance to do its magic *)
val hard_timeout = SOME (2 * timeout)
val (msg, result) =
run_sh prover_name prover type_sys hard_timeout timeout dir st
in
case result of
SH_OK (time_isa, time_prover, names) =>
let
fun get_thms (_, Sledgehammer_Filter.Chained) = NONE
| get_thms (name, loc) =
SOME ((name, loc), thms_of_name (Proof.context_of st) name)
in
change_data id inc_sh_success;
if trivial then () else change_data id inc_sh_nontriv_success;
change_data id (inc_sh_lemmas (length names));
change_data id (inc_sh_max_lems (length names));
change_data id (inc_sh_time_isa time_isa);
change_data id (inc_sh_time_prover time_prover);
reconstructor := reconstructor_from_msg args msg;
named_thms := SOME (map_filter get_thms names);
log (sh_tag id ^ triv_str ^ "succeeded (" ^ string_of_int time_isa ^ "+" ^
string_of_int time_prover ^ ") [" ^ prover_name ^ "]:\n" ^ msg)
end
| SH_FAIL (time_isa, time_prover) =>
let
val _ = change_data id (inc_sh_time_isa time_isa)
val _ = change_data id (inc_sh_time_prover_fail time_prover)
in log (sh_tag id ^ triv_str ^ "failed: " ^ msg) end
| SH_ERROR => log (sh_tag id ^ "failed: " ^ msg)
end
end
fun run_minimize args reconstructor named_thms id
({pre=st, log, ...}: Mirabelle.run_args) =
let
val ctxt = Proof.context_of st
val n0 = length (these (!named_thms))
val (prover_name, _) = get_prover ctxt args
val type_sys = AList.lookup (op =) args type_sysK |> the_default "smart"
val timeout =
AList.lookup (op =) args minimize_timeoutK
|> Option.map (fst o read_int o raw_explode) (* FIXME Symbol.explode (?) *)
|> the_default 5
val params = Sledgehammer_Isar.default_params ctxt
[("provers", prover_name),
("verbose", "true"),
("type_sys", type_sys),
("timeout", string_of_int timeout)]
val minimize =
Sledgehammer_Minimize.minimize_facts prover_name params true 1
(Sledgehammer_Util.subgoal_count st)
val _ = log separator
in
case minimize st (these (!named_thms)) of
(SOME named_thms', msg) =>
(change_data id inc_min_succs;
change_data id (inc_min_ab_ratios ((100 * length named_thms') div n0));
if length named_thms' = n0
then log (minimize_tag id ^ "already minimal")
else (reconstructor := reconstructor_from_msg args msg;
named_thms := SOME named_thms';
log (minimize_tag id ^ "succeeded:\n" ^ msg))
)
| (NONE, msg) => log (minimize_tag id ^ "failed: " ^ msg)
end
fun run_reconstructor trivial full m name reconstructor named_thms id
({pre=st, timeout, log, pos, ...}: Mirabelle.run_args) =
let
fun do_reconstructor thms ctxt =
(if !reconstructor = "sledgehammer_tac" then
(fn ctxt => fn thms =>
Method.insert_tac thms THEN'
Sledgehammer_Tactics.sledgehammer_as_unsound_oracle_tac ctxt)
else if !reconstructor = "smt" then
SMT_Solver.smt_tac
else if full orelse !reconstructor = "metisFT" then
Metis_Tactics.metisFT_tac
else
Metis_Tactics.metis_tac) ctxt thms
fun apply_reconstructor thms =
Mirabelle.can_apply timeout (do_reconstructor thms) st
fun with_time (false, t) = "failed (" ^ string_of_int t ^ ")"
| with_time (true, t) = (change_data id (inc_reconstructor_success m);
if trivial then ()
else change_data id (inc_reconstructor_nontriv_success m);
change_data id (inc_reconstructor_lemmas m (length named_thms));
change_data id (inc_reconstructor_time m t);
change_data id (inc_reconstructor_posns m (pos, trivial));
if name = "proof" then change_data id (inc_reconstructor_proofs m)
else ();
"succeeded (" ^ string_of_int t ^ ")")
fun timed_reconstructor thms =
(with_time (Mirabelle.cpu_time apply_reconstructor thms), true)
handle TimeLimit.TimeOut => (change_data id (inc_reconstructor_timeout m);
("timeout", false))
| ERROR msg => ("error: " ^ msg, false)
val _ = log separator
val _ = change_data id (inc_reconstructor_calls m)
val _ = if trivial then ()
else change_data id (inc_reconstructor_nontriv_calls m)
in
maps snd named_thms
|> timed_reconstructor
|>> log o prefix (reconstructor_tag reconstructor id)
|> snd
end
val try_timeout = seconds 5.0
fun sledgehammer_action args id (st as {pre, name, ...}: Mirabelle.run_args) =
let val goal = Thm.major_prem_of (#goal (Proof.goal pre)) in
if can Logic.dest_conjunction goal orelse can Logic.dest_equals goal
then () else
let
val reconstructor = Unsynchronized.ref ""
val named_thms =
Unsynchronized.ref (NONE : ((string * locality) * thm list) list option)
val minimize = AList.defined (op =) args minimizeK
val metis_ft = AList.defined (op =) args metis_ftK
val trivial = Try.invoke_try (SOME try_timeout) pre
handle TimeLimit.TimeOut => false
fun apply_reconstructor m1 m2 =
if metis_ft
then
if not (Mirabelle.catch_result (reconstructor_tag reconstructor) false
(run_reconstructor trivial false m1 name reconstructor
(these (!named_thms))) id st)
then
(Mirabelle.catch_result (reconstructor_tag reconstructor) false
(run_reconstructor trivial true m2 name reconstructor
(these (!named_thms))) id st; ())
else ()
else
(Mirabelle.catch_result (reconstructor_tag reconstructor) false
(run_reconstructor trivial false m1 name reconstructor
(these (!named_thms))) id st; ())
in
change_data id (set_mini minimize);
Mirabelle.catch sh_tag (run_sledgehammer trivial args reconstructor
named_thms) id st;
if is_some (!named_thms)
then
(apply_reconstructor Unminimized UnminimizedFT;
if minimize andalso not (null (these (!named_thms)))
then
(Mirabelle.catch minimize_tag
(run_minimize args reconstructor named_thms) id st;
apply_reconstructor Minimized MinimizedFT)
else ())
else ()
end
end
fun invoke args =
let
val _ = Sledgehammer_Isar.full_types := AList.defined (op =) args full_typesK
in Mirabelle.register (init, sledgehammer_action args, done) end
end