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(* Title: HOL/Tools/SMT/smt_config.ML
Author: Sascha Boehme, TU Muenchen
Configuration options and diagnostic tools for SMT.
*)
signature SMT_CONFIG =
sig
(*solver*)
type solver_info = {
name: string,
class: Proof.context -> SMT_Util.class,
avail: unit -> bool,
options: Proof.context -> string list }
val add_solver: solver_info -> Context.generic -> Context.generic
val set_solver_options: string * string -> Context.generic -> Context.generic
val is_available: Proof.context -> string -> bool
val available_solvers_of: Proof.context -> string list
val select_solver: string -> Context.generic -> Context.generic
val solver_of: Proof.context -> string
val solver_class_of: Proof.context -> SMT_Util.class
val solver_options_of: Proof.context -> string list
(*options*)
val oracle: bool Config.T
val timeout: real Config.T
val reconstruction_step_timeout: real Config.T
val random_seed: int Config.T
val read_only_certificates: bool Config.T
val verbose: bool Config.T
val trace: bool Config.T
val statistics: bool Config.T
val monomorph_limit: int Config.T
val monomorph_instances: int Config.T
val explicit_application: int Config.T
val higher_order: bool Config.T
val nat_as_int: bool Config.T
val infer_triggers: bool Config.T
val debug_files: string Config.T
val sat_solver: string Config.T
val compress_verit_proofs: Proof.context -> bool
(*tools*)
val with_time_limit: Proof.context -> real Config.T -> ('a -> 'b) -> 'a -> 'b
val with_timeout: Proof.context -> ('a -> 'b) -> 'a -> 'b
(*diagnostics*)
val trace_msg: Proof.context -> ('a -> string) -> 'a -> unit
val verbose_msg: Proof.context -> ('a -> string) -> 'a -> unit
val statistics_msg: Proof.context -> ('a -> string) -> 'a -> unit
val verit_msg: Proof.context -> (unit -> 'a) -> unit
val verit_arith_msg: Proof.context -> (unit -> 'a) -> unit
val spy_verit: Proof.context -> bool
val spy_Z3: Proof.context -> bool
(*certificates*)
val select_certificates: string -> Context.generic -> Context.generic
val certificates_of: Proof.context -> Cache_IO.cache option
(*setup*)
val print_setup: Proof.context -> unit
end;
structure SMT_Config: SMT_CONFIG =
struct
(* solver *)
type solver_info = {
name: string,
class: Proof.context -> SMT_Util.class,
avail: unit -> bool,
options: Proof.context -> string list}
type data = {
solvers: (solver_info * string list) Symtab.table,
solver: string option,
certs: Cache_IO.cache option}
fun mk_data solvers solver certs: data = {solvers=solvers, solver=solver, certs=certs}
val empty_data = mk_data Symtab.empty NONE NONE
fun solvers_of ({solvers, ...}: data) = solvers
fun solver_of ({solver, ...}: data) = solver
fun certs_of ({certs, ...}: data) = certs
fun map_solvers f ({solvers, solver, certs}: data) = mk_data (f solvers) solver certs
fun map_solver f ({solvers, solver, certs}: data) = mk_data solvers (f solver) certs
fun put_certs c ({solvers, solver, ...}: data) = mk_data solvers solver c
fun merge_data ({solvers=ss1,solver=s1,certs=c1}: data, {solvers=ss2,solver=s2,certs=c2}: data) =
mk_data (Symtab.merge (K true) (ss1, ss2)) (merge_options (s1, s2)) (merge_options (c1, c2))
structure Data = Generic_Data
(
type T = data
val empty = empty_data
val extend = I
val merge = merge_data
)
fun set_solver_options (name, options) =
let val opts = String.tokens (Symbol.is_ascii_blank o str) options
in Data.map (map_solvers (Symtab.map_entry name (apsnd (K opts)))) end
fun add_solver (info as {name, ...} : solver_info) context =
if Symtab.defined (solvers_of (Data.get context)) name then
error ("Solver already registered: " ^ quote name)
else
context
|> Data.map (map_solvers (Symtab.update (name, (info, []))))
|> Context.map_theory (Attrib.setup (Binding.name (name ^ "_options"))
(Scan.lift (\<^keyword>\<open>=\<close> |-- Args.name) >>
(Thm.declaration_attribute o K o set_solver_options o pair name))
("additional command line options for SMT solver " ^ quote name))
fun all_solvers_of ctxt = Symtab.keys (solvers_of (Data.get (Context.Proof ctxt)))
fun solver_name_of ctxt = solver_of (Data.get (Context.Proof ctxt))
fun is_available ctxt name =
(case Symtab.lookup (solvers_of (Data.get (Context.Proof ctxt))) name of
SOME ({avail, ...}, _) => avail ()
| NONE => false)
fun available_solvers_of ctxt =
filter (is_available ctxt) (all_solvers_of ctxt)
fun warn_solver (Context.Proof ctxt) name =
if Context_Position.is_visible ctxt then
warning ("The SMT solver " ^ quote name ^ " is not installed")
else ()
| warn_solver _ _ = ()
fun select_solver name context =
let
val ctxt = Context.proof_of context
val upd = Data.map (map_solver (K (SOME name)))
in
if not (member (op =) (all_solvers_of ctxt) name) then
error ("Trying to select unknown solver: " ^ quote name)
else if not (is_available ctxt name) then
(warn_solver context name; upd context)
else upd context
end
fun no_solver_err () = error "No SMT solver selected"
fun solver_of ctxt =
(case solver_name_of ctxt of
SOME name => name
| NONE => no_solver_err ())
fun solver_info_of default select ctxt =
(case solver_name_of ctxt of
NONE => default ()
| SOME name => select (Symtab.lookup (solvers_of (Data.get (Context.Proof ctxt))) name))
fun solver_class_of ctxt =
let fun class_of ({class, ...}: solver_info, _) = class ctxt
in solver_info_of no_solver_err (class_of o the) ctxt end
fun solver_options_of ctxt =
let
fun all_options NONE = []
| all_options (SOME ({options, ...} : solver_info, opts)) =
opts @ options ctxt
in solver_info_of (K []) all_options ctxt end
val setup_solver =
Attrib.setup \<^binding>\<open>smt_solver\<close>
(Scan.lift (\<^keyword>\<open>=\<close> |-- Args.name) >>
(Thm.declaration_attribute o K o select_solver))
"SMT solver configuration"
(* options *)
val oracle = Attrib.setup_config_bool \<^binding>\<open>smt_oracle\<close> (K true)
val timeout = Attrib.setup_config_real \<^binding>\<open>smt_timeout\<close> (K 1000000.0)
val reconstruction_step_timeout = Attrib.setup_config_real \<^binding>\<open>smt_reconstruction_step_timeout\<close> (K 10.0)
val random_seed = Attrib.setup_config_int \<^binding>\<open>smt_random_seed\<close> (K 1)
val read_only_certificates = Attrib.setup_config_bool \<^binding>\<open>smt_read_only_certificates\<close> (K false)
val verbose = Attrib.setup_config_bool \<^binding>\<open>smt_verbose\<close> (K true)
val trace = Attrib.setup_config_bool \<^binding>\<open>smt_trace\<close> (K false)
val trace_verit = Attrib.setup_config_bool \<^binding>\<open>smt_debug_verit\<close> (K false)
val spy_verit_attr = Attrib.setup_config_bool \<^binding>\<open>smt_spy_verit\<close> (K false)
val spy_z3 = Attrib.setup_config_bool \<^binding>\<open>smt_spy_z3\<close> (K false)
val trace_arith_verit = Attrib.setup_config_bool \<^binding>\<open>smt_debug_arith_verit\<close> (K false)
val trace_verit_compression = Attrib.setup_config_bool \<^binding>\<open>verit_compress_proofs\<close> (K true)
val statistics = Attrib.setup_config_bool \<^binding>\<open>smt_statistics\<close> (K false)
val monomorph_limit = Attrib.setup_config_int \<^binding>\<open>smt_monomorph_limit\<close> (K 10)
val monomorph_instances = Attrib.setup_config_int \<^binding>\<open>smt_monomorph_instances\<close> (K 500)
val explicit_application = Attrib.setup_config_int \<^binding>\<open>smt_explicit_application\<close> (K 1)
val higher_order = Attrib.setup_config_bool \<^binding>\<open>smt_higher_order\<close> (K false)
val nat_as_int = Attrib.setup_config_bool \<^binding>\<open>smt_nat_as_int\<close> (K false)
val infer_triggers = Attrib.setup_config_bool \<^binding>\<open>smt_infer_triggers\<close> (K false)
val debug_files = Attrib.setup_config_string \<^binding>\<open>smt_debug_files\<close> (K "")
val sat_solver = Attrib.setup_config_string \<^binding>\<open>smt_sat_solver\<close> (K "cdclite")
(* diagnostics *)
fun cond_trace flag f x = if flag then tracing ("SMT: " ^ f x) else ()
fun verbose_msg ctxt = cond_trace (Config.get ctxt verbose)
fun trace_msg ctxt = cond_trace (Config.get ctxt trace)
fun statistics_msg ctxt = cond_trace (Config.get ctxt statistics)
fun verit_msg ctxt (x : unit -> 'a) = if (Config.get ctxt trace_verit) then ignore(x ()) else ()
fun verit_arith_msg ctxt (x : unit -> 'a) = if (Config.get ctxt trace_arith_verit) then ignore(x ()) else ()
fun spy_verit ctxt = Config.get ctxt spy_verit_attr
fun spy_Z3 ctxt = Config.get ctxt spy_z3
fun compress_verit_proofs ctxt = Config.get ctxt trace_verit_compression
(* tools *)
fun with_time_limit ctxt timeout_config f x =
Timeout.apply (seconds (Config.get ctxt timeout_config)) f x
handle Timeout.TIMEOUT _ => raise SMT_Failure.SMT SMT_Failure.Time_Out
fun with_timeout ctxt = with_time_limit ctxt timeout
(* certificates *)
val certificates_of = certs_of o Data.get o Context.Proof
val get_certificates_path = Option.map (Cache_IO.cache_path_of) o certificates_of
fun select_certificates name context = context |> Data.map (put_certs (
if name = "" then NONE
else
(Resources.master_directory (Context.theory_of context) + Path.explode name)
|> SOME o Cache_IO.unsynchronized_init))
val setup_certificates =
Attrib.setup \<^binding>\<open>smt_certificates\<close>
(Scan.lift (\<^keyword>\<open>=\<close> |-- Args.name) >>
(Thm.declaration_attribute o K o select_certificates))
"SMT certificates configuration"
(* setup *)
val _ = Theory.setup (
setup_solver #>
setup_certificates)
fun print_setup ctxt =
let
fun string_of_bool b = if b then "true" else "false"
val names = available_solvers_of ctxt
val ns = if null names then ["(none)"] else sort_strings names
val n = the_default "(none)" (solver_name_of ctxt)
val opts = solver_options_of ctxt
val t = string_of_real (Config.get ctxt timeout)
val certs_filename =
(case get_certificates_path ctxt of
SOME path => Path.print path
| NONE => "(disabled)")
in
Pretty.writeln (Pretty.big_list "SMT setup:" [
Pretty.str ("Current SMT solver: " ^ n),
Pretty.str ("Current SMT solver options: " ^ space_implode " " opts),
Pretty.str_list "Available SMT solvers: " "" ns,
Pretty.str ("Current timeout: " ^ t ^ " seconds"),
Pretty.str ("With proofs: " ^
string_of_bool (not (Config.get ctxt oracle))),
Pretty.str ("Certificates cache: " ^ certs_filename),
Pretty.str ("Fixed certificates: " ^
string_of_bool (Config.get ctxt read_only_certificates))])
end
val _ =
Outer_Syntax.command \<^command_keyword>\<open>smt_status\<close>
"show the available SMT solvers, the currently selected SMT solver, \
\and the values of SMT configuration options"
(Scan.succeed (Toplevel.keep (print_setup o Toplevel.context_of)))
end;
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