(* Title: HOL/Mirabelle/Tools/mirabelle_sledgehammer.ML
Author: Jasmin Blanchette and Sascha Boehme and Tobias Nipkow, TU Munich
*)
structure Mirabelle_Sledgehammer : MIRABELLE_ACTION =
struct
(*To facilitate synching the description of Mirabelle Sledgehammer parameters
(in ../lib/Tools/mirabelle) with the parameters actually used by this
interface, the former extracts PARAMETER and DESCRIPTION from code below which
has this pattern (provided it appears in a single line):
val .*K = "PARAMETER" (*DESCRIPTION*)
*)
(*NOTE: descriptions mention parameters (particularly NAME) without a defined range.*)
val proverK = "prover" (*=NAME: name of the external prover to call*)
val prover_timeoutK = "prover_timeout" (*=TIME: timeout for invoked ATP (seconds of process time)*)
val keepK = "keep" (*=PATH: path where to keep temporary files created by sledgehammer*)
val proof_methodK = "proof_method" (*=NAME: how to reconstruct proofs (ie. using metis/smt)*)
val max_factsK = "max_facts" (*=NUM: max. relevant clauses to use*)
val max_relevantK = "max_relevant" (*=NUM: max. relevant clauses to use*)
val max_callsK = "max_calls" (*=NUM: max. no. of calls to sledgehammer*)
val preplay_timeoutK = "preplay_timeout" (*=TIME: timeout for finding reconstructed proof*)
val isar_proofsK = "isar_proofs" (*: enable Isar proof generation*)
val smt_proofsK = "smt_proofs" (*: enable SMT proof generation*)
val minimizeK = "minimize" (*: instruct sledgehammer to run its minimizer*)
val check_trivialK = "check_trivial" (*: check if goals are "trivial" (false by default)*)
val fact_filterK = "fact_filter" (*=STRING: fact filter*)
val type_encK = "type_enc" (*=STRING: type encoding scheme*)
val lam_transK = "lam_trans" (*=STRING: lambda translation scheme*)
val strictK = "strict" (*=BOOL: run in strict mode*)
val sliceK = "slice" (*=BOOL: allow sledgehammer-level strategy-scheduling*)
val uncurried_aliasesK = "uncurried_aliases" (*=SMART_BOOL: use fresh function names to alias curried applications*)
val e_selection_heuristicK = "e_selection_heuristic" (*: FIXME*)
val term_orderK = "term_order" (*: FIXME*)
val force_sosK = "force_sos" (*: use SOS*)
val max_new_mono_instancesK = "max_new_mono_instances" (*=NUM: max. new monomorphic instances*)
val max_mono_itersK = "max_mono_iters" (*=NUM: max. iterations of monomorphiser*)
fun sh_tag id = "#" ^ string_of_int id ^ " sledgehammer: "
fun proof_method_tag meth id = "#" ^ string_of_int id ^ " " ^ (!meth) ^ " (sledgehammer): "
val separator = "-----"
(*FIXME sensible to have Mirabelle-level Sledgehammer defaults?*)
(*defaults used in this Mirabelle action*)
val preplay_timeout_default = "1"
val lam_trans_default = "smart"
val uncurried_aliases_default = "smart"
val fact_filter_default = "smart"
val type_enc_default = "smart"
val strict_default = "false"
val max_facts_default = "smart"
val slice_default = "true"
val max_calls_default = "10000000"
val trivial_default = "false"
(*If a key is present in args then augment a list with its pair*)
(*This is used to avoid fixing default values at the Mirabelle level, and
instead use the default values of the tool (Sledgehammer in this case).*)
fun available_parameter args key label list =
let
val value = AList.lookup (op =) args key
in if is_some value then (label, the value) :: list else list end
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
}
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_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_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_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 data = Data of {
sh: sh_data,
re_u: re_data (* proof method with unminimized set of lemmas *)
}
fun make_data (sh, re_u) = Data {sh=sh, re_u=re_u}
val empty_data = make_data (empty_sh_data, empty_re_data)
fun map_sh_data f (Data {sh, re_u}) =
let val sh' = make_sh_data (f (tuple_of_sh_data sh))
in make_data (sh', re_u) end
fun map_re_data f (Data {sh, re_u}) =
let
val f' = make_re_data o f o tuple_of_re_data
val re_u' = f' re_u
in make_data (sh, re_u') end
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_proof_method_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_proof_method_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_proof_method_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_proof_method_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_proof_method_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_proof_method_time 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))
val inc_proof_method_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_proof_method_lemmas 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))
fun inc_proof_method_posns 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))
val str0 = string_of_int o the_default 0
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) =
str0 (Position.line_of pos) ^ ":" ^ str0 (Position.offset_of pos) ^
(if triv then "[T]" else "")
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 ^ "proof method calls: " ^ str re_calls);
log ("Number of successful " ^ tag ^ "proof method calls: " ^ str re_success ^
" (proof: " ^ str re_proofs ^ ")");
log ("Number of " ^ tag ^ "proof method timeouts: " ^ str re_timeout);
log ("Success rate: " ^ percentage re_success sh_calls ^ "%");
log ("Total number of nontrivial " ^ tag ^ "proof method calls: " ^ str re_nontriv_calls);
log ("Number of successful nontrivial " ^ tag ^ "proof method calls: " ^ str re_nontriv_success ^
" (proof: " ^ str re_proofs ^ ")");
log ("Number of successful " ^ tag ^ "proof method lemmas: " ^ str lemmas);
log ("SOS of successful " ^ tag ^ "proof method lemmas: " ^ str lems_sos);
log ("Max number of successful " ^ tag ^ "proof method lemmas: " ^ str lems_max);
log ("Total time for successful " ^ tag ^ "proof method calls: " ^ str3 (time re_time));
log ("Average time for successful " ^ tag ^ "proof method calls: " ^
str3 (avg_time re_time re_success));
if tag=""
then log ("Proved: " ^ space_implode " " (map str_of_pos re_posns))
else ()
)
in
fun log_data id log (Data {sh, re_u}) =
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_proof_method (tag1, m1) = app_if m1 (fn () => (log_re tag1 m1; log ""))
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 "";
log_proof_method ("", re_u))
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_name thy args =
let
fun default_prover_name () =
hd (#provers (Sledgehammer_Commands.default_params thy []))
handle List.Empty => error "No ATP available."
in
(case AList.lookup (op =) args proverK of
SOME name => name
| NONE => default_prover_name ())
end
fun get_prover ctxt name params goal all_facts =
let
val learn = Sledgehammer_MaSh.mash_learn_proof ctxt params (prop_of goal) all_facts
in
Sledgehammer_Prover_Minimize.get_minimizing_prover ctxt Sledgehammer_Prover.Normal learn name
end
type stature = ATP_Problem_Generate.stature
fun is_good_line s =
(String.isSubstring " ms)" s orelse String.isSubstring " s)" s)
andalso not (String.isSubstring "(> " s)
andalso not (String.isSubstring ", > " s)
andalso not (String.isSubstring "may fail" s)
(* Fragile hack *)
fun proof_method_from_msg args msg =
(case AList.lookup (op =) args proof_methodK of
SOME name =>
if name = "smart" then
if exists is_good_line (split_lines msg) then
"none"
else
"fail"
else
name
| NONE =>
if exists is_good_line (split_lines msg) then
"none" (* trust the preplayed proof *)
else if String.isSubstring "metis (" msg then
msg |> Substring.full
|> Substring.position "metis ("
|> snd |> Substring.position ")"
|> fst |> Substring.string
|> suffix ")"
else if String.isSubstring "metis" msg then
"metis"
else
"smt")
local
datatype sh_result =
SH_OK of int * int * (string * stature) list |
SH_FAIL of int * int |
SH_ERROR
fun run_sh prover_name fact_filter type_enc strict max_facts slice
lam_trans uncurried_aliases e_selection_heuristic term_order force_sos
hard_timeout timeout preplay_timeout isar_proofsLST smt_proofsLST
minimizeLST max_new_mono_instancesLST max_mono_itersLST dir pos st =
let
val thy = Proof.theory_of st
val {context = ctxt, facts = chained_ths, goal} = Proof.goal st
val i = 1
fun set_file_name (SOME dir) =
Config.put Sledgehammer_Prover_ATP.atp_dest_dir dir
#> Config.put Sledgehammer_Prover_ATP.atp_problem_prefix
("prob_" ^ str0 (Position.line_of pos) ^ "__")
#> Config.put SMT_Config.debug_files
(dir ^ "/" ^ Name.desymbolize (SOME false) (ATP_Util.timestamp ()) ^ "_"
^ serial_string ())
| set_file_name NONE = I
val st' =
st
|> Proof.map_context
(set_file_name dir
#> (Option.map (Config.put ATP_Systems.e_selection_heuristic)
e_selection_heuristic |> the_default I)
#> (Option.map (Config.put ATP_Systems.term_order)
term_order |> the_default I)
#> (Option.map (Config.put ATP_Systems.force_sos)
force_sos |> the_default I))
val params as {max_facts, minimize, preplay_timeout, ...} =
Sledgehammer_Commands.default_params thy
([(* ("verbose", "true"), *)
("fact_filter", fact_filter),
("type_enc", type_enc),
("strict", strict),
("lam_trans", lam_trans |> the_default lam_trans_default),
("uncurried_aliases", uncurried_aliases |> the_default uncurried_aliases_default),
("max_facts", max_facts),
("slice", slice),
("timeout", string_of_int timeout),
("preplay_timeout", preplay_timeout)]
|> isar_proofsLST
|> smt_proofsLST
|> minimizeLST (*don't confuse the two minimization flags*)
|> max_new_mono_instancesLST
|> max_mono_itersLST)
val default_max_facts =
Sledgehammer_Prover_Minimize.default_max_facts_of_prover ctxt prover_name
val (_, hyp_ts, concl_t) = ATP_Util.strip_subgoal goal i ctxt
val time_limit =
(case hard_timeout of
NONE => I
| SOME secs => TimeLimit.timeLimit (Time.fromSeconds secs))
fun failed failure =
({outcome = SOME failure, used_facts = [], used_from = [],
preferred_methss = (Sledgehammer_Proof_Methods.Auto_Method, []), run_time = Time.zeroTime,
message = K ""}, ~1)
val ({outcome, used_facts, preferred_methss, run_time, message, ...}
: Sledgehammer_Prover.prover_result,
time_isa) = time_limit (Mirabelle.cpu_time (fn () =>
let
val ho_atp = Sledgehammer_Prover_ATP.is_ho_atp ctxt prover_name
val keywords = Thy_Header.get_keywords' ctxt
val css_table = Sledgehammer_Fact.clasimpset_rule_table_of ctxt
val facts =
Sledgehammer_Fact.nearly_all_facts ctxt ho_atp
Sledgehammer_Fact.no_fact_override keywords css_table chained_ths
hyp_ts concl_t
val factss =
facts
|> Sledgehammer_MaSh.relevant_facts ctxt params prover_name
(the_default default_max_facts max_facts)
Sledgehammer_Fact.no_fact_override hyp_ts concl_t
|> tap (fn factss =>
"Line " ^ str0 (Position.line_of pos) ^ ": " ^
Sledgehammer.string_of_factss factss
|> writeln)
val prover = get_prover ctxt prover_name params goal facts
val problem =
{comment = "", state = st', goal = goal, subgoal = i,
subgoal_count = Sledgehammer_Util.subgoal_count st, factss = factss}
in prover params problem end)) ()
handle TimeLimit.TimeOut => failed ATP_Proof.TimedOut
| Fail "inappropriate" => failed ATP_Proof.Inappropriate
val time_prover = run_time |> Time.toMilliseconds
val msg = message (fn () => Sledgehammer.play_one_line_proof minimize preplay_timeout used_facts
st' i preferred_methss)
in
(case outcome of
NONE => (msg, SH_OK (time_isa, time_prover, used_facts))
| SOME _ => (msg, SH_FAIL (time_isa, time_prover)))
end
handle ERROR msg => ("error: " ^ msg, SH_ERROR)
in
fun run_sledgehammer trivial args proof_method named_thms id
({pre=st, log, pos, ...}: Mirabelle.run_args) =
let
val thy = Proof.theory_of st
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 = get_prover_name thy args
val fact_filter = AList.lookup (op =) args fact_filterK |> the_default fact_filter_default
val type_enc = AList.lookup (op =) args type_encK |> the_default type_enc_default
val strict = AList.lookup (op =) args strictK |> the_default strict_default
val max_facts =
(case AList.lookup (op =) args max_factsK of
SOME max => max
| NONE =>
(case AList.lookup (op =) args max_relevantK of
SOME max => max
| NONE => max_facts_default))
val slice = AList.lookup (op =) args sliceK |> the_default slice_default
val lam_trans = AList.lookup (op =) args lam_transK
val uncurried_aliases = AList.lookup (op =) args uncurried_aliasesK
val e_selection_heuristic = AList.lookup (op =) args e_selection_heuristicK
val term_order = AList.lookup (op =) args term_orderK
val force_sos = AList.lookup (op =) args force_sosK
|> Option.map (curry (op <>) "false")
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 preplay_timeout = AList.lookup (op =) args preplay_timeoutK
|> the_default preplay_timeout_default
val isar_proofsLST = available_parameter args isar_proofsK "isar_proofs"
val smt_proofsLST = available_parameter args smt_proofsK "smt_proofs"
val minimizeLST = available_parameter args minimizeK "minimize"
val max_new_mono_instancesLST =
available_parameter args max_new_mono_instancesK max_new_mono_instancesK
val max_mono_itersLST = available_parameter args max_mono_itersK max_mono_itersK
val hard_timeout = SOME (4 * timeout)
val (msg, result) =
run_sh prover_name fact_filter type_enc strict max_facts slice lam_trans
uncurried_aliases e_selection_heuristic term_order force_sos
hard_timeout timeout preplay_timeout isar_proofsLST smt_proofsLST
minimizeLST max_new_mono_instancesLST max_mono_itersLST dir pos st
in
(case result of
SH_OK (time_isa, time_prover, names) =>
let
fun get_thms (name, stature) =
try (Sledgehammer_Util.thms_of_name (Proof.context_of st))
name
|> Option.map (pair (name, stature))
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);
proof_method := proof_method_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 override_params prover type_enc timeout =
[("provers", prover),
("max_facts", "0"),
("type_enc", type_enc),
("strict", "true"),
("slice", "false"),
("timeout", timeout |> Time.toSeconds |> string_of_int)]
fun run_proof_method trivial full name meth named_thms id
({pre=st, timeout, log, pos, ...}: Mirabelle.run_args) =
let
fun do_method named_thms ctxt =
let
val ref_of_str = (* FIXME proper wrapper for parser combinators *)
suffix ";" #> Token.explode (Thy_Header.get_keywords' ctxt) Position.none
#> Parse.xthm #> fst
val thms = named_thms |> maps snd
val facts = named_thms |> map (ref_of_str o fst o fst)
val fact_override = {add = facts, del = [], only = true}
fun my_timeout time_slice =
timeout |> Time.toReal |> curry Real.* time_slice |> Time.fromReal
fun sledge_tac time_slice prover type_enc =
Sledgehammer_Tactics.sledgehammer_as_oracle_tac ctxt
(override_params prover type_enc (my_timeout time_slice)) fact_override []
in
if !meth = "sledgehammer_tac" then
sledge_tac 0.2 ATP_Proof.vampireN "mono_native"
ORELSE' sledge_tac 0.2 ATP_Proof.eN "poly_guards??"
ORELSE' sledge_tac 0.2 ATP_Proof.spassN "mono_native"
ORELSE' sledge_tac 0.2 ATP_Proof.z3_tptpN "poly_tags??"
ORELSE' SMT_Solver.smt_tac ctxt thms
else if !meth = "smt" then
SMT_Solver.smt_tac ctxt thms
else if full then
Metis_Tactic.metis_tac [ATP_Proof_Reconstruct.full_typesN]
ATP_Proof_Reconstruct.default_metis_lam_trans ctxt thms
else if String.isPrefix "metis (" (!meth) then
let
val (type_encs, lam_trans) =
!meth
|> Token.explode (Thy_Header.get_keywords' ctxt) Position.start
|> filter Token.is_proper |> tl
|> Metis_Tactic.parse_metis_options |> fst
|>> the_default [ATP_Proof_Reconstruct.partial_typesN]
||> the_default ATP_Proof_Reconstruct.default_metis_lam_trans
in Metis_Tactic.metis_tac type_encs lam_trans ctxt thms end
else if !meth = "metis" then
Metis_Tactic.metis_tac [] ATP_Proof_Reconstruct.default_metis_lam_trans ctxt thms
else if !meth = "none" then
K all_tac
else if !meth = "fail" then
K no_tac
else
(warning ("Unknown method " ^ quote (!meth)); K no_tac)
end
fun apply_method named_thms =
Mirabelle.can_apply timeout (do_method named_thms) st
fun with_time (false, t) = "failed (" ^ string_of_int t ^ ")"
| with_time (true, t) = (change_data id inc_proof_method_success;
if trivial then ()
else change_data id inc_proof_method_nontriv_success;
change_data id (inc_proof_method_lemmas (length named_thms));
change_data id (inc_proof_method_time t);
change_data id (inc_proof_method_posns (pos, trivial));
if name = "proof" then change_data id inc_proof_method_proofs else ();
"succeeded (" ^ string_of_int t ^ ")")
fun timed_method named_thms =
(with_time (Mirabelle.cpu_time apply_method named_thms), true)
handle TimeLimit.TimeOut => (change_data id inc_proof_method_timeout; ("timeout", false))
| ERROR msg => ("error: " ^ msg, false)
val _ = log separator
val _ = change_data id inc_proof_method_calls
val _ = if trivial then () else change_data id inc_proof_method_nontriv_calls
in
named_thms
|> timed_method
|>> log o prefix (proof_method_tag meth id)
|> snd
end
val try_timeout = seconds 5.0
(* crude hack *)
val num_sledgehammer_calls = Unsynchronized.ref 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 max_calls =
AList.lookup (op =) args max_callsK |> the_default max_calls_default
|> Int.fromString |> the
val _ = num_sledgehammer_calls := !num_sledgehammer_calls + 1;
in
if !num_sledgehammer_calls > max_calls then ()
else
let
val meth = Unsynchronized.ref ""
val named_thms =
Unsynchronized.ref (NONE : ((string * stature) * thm list) list option)
val trivial =
if AList.lookup (op =) args check_trivialK |> the_default trivial_default
|> Markup.parse_bool then
Try0.try0 (SOME try_timeout) ([], [], [], []) pre
handle TimeLimit.TimeOut => false
else false
fun apply_method () =
(Mirabelle.catch_result (proof_method_tag meth) false
(run_proof_method trivial false name meth (these (!named_thms))) id st; ())
in
Mirabelle.catch sh_tag (run_sledgehammer trivial args meth named_thms) id st;
if is_some (!named_thms) then apply_method () else ()
end
end
end
fun invoke args =
Mirabelle.register (init, sledgehammer_action args, done)
end