author | wenzelm |
Tue, 18 Mar 2014 17:39:03 +0100 | |
changeset 56208 | 06cc31dff138 |
parent 56090 | 34bd10a9a2ad |
child 56294 | 85911b8a6868 |
permissions | -rw-r--r-- |
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(* Title: HOL/Tools/SMT2/smt2_config.ML |
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Author: Sascha Boehme, TU Muenchen |
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Configuration options and diagnostic tools for SMT. |
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*) |
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signature SMT2_CONFIG = |
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sig |
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(*solver*) |
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type solver_info = { |
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name: string, |
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class: Proof.context -> SMT2_Util.class, |
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avail: unit -> bool, |
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options: Proof.context -> string list } |
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val add_solver: solver_info -> Context.generic -> Context.generic |
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val set_solver_options: string * string -> Context.generic -> Context.generic |
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val is_available: Proof.context -> string -> bool |
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val available_solvers_of: Proof.context -> string list |
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val select_solver: string -> Context.generic -> Context.generic |
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val solver_of: Proof.context -> string |
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val solver_class_of: Proof.context -> SMT2_Util.class |
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val solver_options_of: Proof.context -> string list |
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(*options*) |
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val oracle: bool Config.T |
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val timeout: real Config.T |
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val random_seed: int Config.T |
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val read_only_certificates: bool Config.T |
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val verbose: bool Config.T |
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val trace: bool Config.T |
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val trace_used_facts: bool Config.T |
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val monomorph_limit: int Config.T |
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val monomorph_instances: int Config.T |
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val infer_triggers: bool Config.T |
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val filter_only_facts: bool Config.T |
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val debug_files: string Config.T |
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(*tools*) |
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val with_timeout: Proof.context -> ('a -> 'b) -> 'a -> 'b |
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(*diagnostics*) |
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val trace_msg: Proof.context -> ('a -> string) -> 'a -> unit |
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val verbose_msg: Proof.context -> ('a -> string) -> 'a -> unit |
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(*certificates*) |
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val select_certificates: string -> Context.generic -> Context.generic |
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val certificates_of: Proof.context -> Cache_IO.cache option |
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(*setup*) |
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val print_setup: Proof.context -> unit |
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end |
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structure SMT2_Config: SMT2_CONFIG = |
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struct |
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(* solver *) |
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type solver_info = { |
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name: string, |
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class: Proof.context -> SMT2_Util.class, |
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avail: unit -> bool, |
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options: Proof.context -> string list} |
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(* FIXME just one data slot (record) per program unit *) |
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structure Solvers = Generic_Data |
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( |
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type T = (solver_info * string list) Symtab.table * string option |
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val empty = (Symtab.empty, NONE) |
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val extend = I |
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fun merge ((ss1, s1), (ss2, s2)) = |
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(Symtab.merge (K true) (ss1, ss2), merge_options (s1, s2)) |
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) |
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fun set_solver_options (name, options) = |
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let val opts = String.tokens (Symbol.is_ascii_blank o str) options |
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in Solvers.map (apfst (Symtab.map_entry name (apsnd (K opts)))) end |
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fun add_solver (info as {name, ...} : solver_info) context = |
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if Symtab.defined (fst (Solvers.get context)) name then |
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error ("Solver already registered: " ^ quote name) |
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else |
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context |
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|> Solvers.map (apfst (Symtab.update (name, (info, [])))) |
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|> Context.map_theory (Attrib.setup (Binding.name (name ^ "_options")) |
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(Scan.lift (@{keyword "="} |-- Args.name) >> |
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(Thm.declaration_attribute o K o set_solver_options o pair name)) |
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("Additional command line options for SMT solver " ^ quote name)) |
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fun all_solvers_of ctxt = Symtab.keys (fst (Solvers.get (Context.Proof ctxt))) |
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fun solver_name_of ctxt = snd (Solvers.get (Context.Proof ctxt)) |
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fun is_available ctxt name = |
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(case Symtab.lookup (fst (Solvers.get (Context.Proof ctxt))) name of |
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SOME ({avail, ...}, _) => avail () |
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| NONE => false) |
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fun available_solvers_of ctxt = |
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filter (is_available ctxt) (all_solvers_of ctxt) |
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fun warn_solver (Context.Proof ctxt) name = |
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Context_Position.if_visible ctxt |
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warning ("The SMT solver " ^ quote name ^ " is not installed.") |
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| warn_solver _ _ = (); |
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fun select_solver name context = |
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let |
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val ctxt = Context.proof_of context |
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val upd = Solvers.map (apsnd (K (SOME name))) |
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in |
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if not (member (op =) (all_solvers_of ctxt) name) then |
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error ("Trying to select unknown solver: " ^ quote name) |
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else if not (is_available ctxt name) then |
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(warn_solver context name; upd context) |
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else upd context |
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end |
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fun no_solver_err () = error "No SMT solver selected" |
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fun solver_of ctxt = |
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(case solver_name_of ctxt of |
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SOME name => name |
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| NONE => no_solver_err ()) |
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|
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fun solver_info_of default select ctxt = |
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(case Solvers.get (Context.Proof ctxt) of |
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(solvers, SOME name) => select (Symtab.lookup solvers name) |
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| (_, NONE) => default ()) |
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|
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fun solver_class_of ctxt = |
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let fun class_of ({class, ...}: solver_info, _) = class ctxt |
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in solver_info_of no_solver_err (class_of o the) ctxt end |
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|
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fun solver_options_of ctxt = |
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let |
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fun all_options NONE = [] |
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| all_options (SOME ({options, ...} : solver_info, opts)) = |
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opts @ options ctxt |
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in solver_info_of (K []) all_options ctxt end |
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|
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val setup_solver = |
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Attrib.setup @{binding smt2_solver} |
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(Scan.lift (@{keyword "="} |-- Args.name) >> |
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(Thm.declaration_attribute o K o select_solver)) |
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"SMT solver configuration" |
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|
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|
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(* options *) |
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|
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val oracle = Attrib.setup_config_bool @{binding smt2_oracle} (K true) |
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val timeout = Attrib.setup_config_real @{binding smt2_timeout} (K 30.0) |
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val random_seed = Attrib.setup_config_int @{binding smt2_random_seed} (K 1) |
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val read_only_certificates = Attrib.setup_config_bool @{binding smt2_read_only_certificates} (K false) |
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val verbose = Attrib.setup_config_bool @{binding smt2_verbose} (K true) |
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val trace = Attrib.setup_config_bool @{binding smt2_trace} (K false) |
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val trace_used_facts = Attrib.setup_config_bool @{binding smt2_trace_used_facts} (K false) |
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val monomorph_limit = Attrib.setup_config_int @{binding smt2_monomorph_limit} (K 10) |
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val monomorph_instances = Attrib.setup_config_int @{binding smt2_monomorph_instances} (K 500) |
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val infer_triggers = Attrib.setup_config_bool @{binding smt2_infer_triggers} (K false) |
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val filter_only_facts = Attrib.setup_config_bool @{binding smt2_filter_only_facts} (K false) |
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val debug_files = Attrib.setup_config_string @{binding smt2_debug_files} (K "") |
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|
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|
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(* diagnostics *) |
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|
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fun cond_trace flag f x = if flag then tracing ("SMT: " ^ f x) else () |
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|
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fun verbose_msg ctxt = cond_trace (Config.get ctxt verbose) |
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|
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fun trace_msg ctxt = cond_trace (Config.get ctxt trace) |
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|
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|
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(* tools *) |
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|
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fun with_timeout ctxt f x = |
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TimeLimit.timeLimit (seconds (Config.get ctxt timeout)) f x |
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handle TimeLimit.TimeOut => raise SMT2_Failure.SMT SMT2_Failure.Time_Out |
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|
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|
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(* certificates *) |
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|
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(* FIXME just one data slot (record) per program unit *) |
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structure Certificates = Generic_Data |
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( |
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type T = Cache_IO.cache option |
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val empty = NONE |
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val extend = I |
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fun merge (s, _) = s (* FIXME merge options!? *) |
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) |
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|
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val get_certificates_path = |
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Option.map (Cache_IO.cache_path_of) o Certificates.get o Context.Proof |
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193 |
|
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fun select_certificates name context = context |> Certificates.put ( |
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if name = "" then NONE |
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else |
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Path.explode name |
56208 | 198 |
|> Path.append (Resources.master_directory (Context.theory_of context)) |
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|> SOME o Cache_IO.unsynchronized_init) |
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|
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val certificates_of = Certificates.get o Context.Proof |
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|
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val setup_certificates = |
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Attrib.setup @{binding smt2_certificates} |
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(Scan.lift (@{keyword "="} |-- Args.name) >> |
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(Thm.declaration_attribute o K o select_certificates)) |
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"SMT certificates configuration" |
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|
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|
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(* setup *) |
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|
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val _ = Theory.setup ( |
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setup_solver #> |
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setup_certificates) |
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|
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fun print_setup ctxt = |
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let |
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fun string_of_bool b = if b then "true" else "false" |
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|
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val names = available_solvers_of ctxt |
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val ns = if null names then ["(none)"] else sort_strings names |
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val n = the_default "(none)" (solver_name_of ctxt) |
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val opts = solver_options_of ctxt |
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224 |
|
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val t = string_of_real (Config.get ctxt timeout) |
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|
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val certs_filename = |
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(case get_certificates_path ctxt of |
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SOME path => Path.print path |
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| NONE => "(disabled)") |
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231 |
in |
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Pretty.writeln (Pretty.big_list "SMT setup:" [ |
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Pretty.str ("Current SMT solver: " ^ n), |
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Pretty.str ("Current SMT solver options: " ^ space_implode " " opts), |
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Pretty.str_list "Available SMT solvers: " "" ns, |
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Pretty.str ("Current timeout: " ^ t ^ " seconds"), |
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Pretty.str ("With proofs: " ^ |
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string_of_bool (not (Config.get ctxt oracle))), |
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Pretty.str ("Certificates cache: " ^ certs_filename), |
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Pretty.str ("Fixed certificates: " ^ |
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string_of_bool (Config.get ctxt read_only_certificates))]) |
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end |
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|
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val _ = |
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Outer_Syntax.improper_command @{command_spec "smt2_status"} |
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"show the available SMT solvers, the currently selected SMT solver, \ |
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\and the values of SMT configuration options" |
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(Scan.succeed (Toplevel.keep (print_setup o Toplevel.context_of))) |
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|
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end |