mirror of
https://github.com/Z3Prover/z3
synced 2025-04-06 17:44:08 +00:00
Add Z3_solver_interrupt to OCaml API (#6976)
This commit is contained in:
Christoph M. Wintersteiger
GitHub
parent
91c2139b5d
commit
3af2b36cd7
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@ -26,7 +26,7 @@ struct
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let (major, minor, build, revision) = Z3native.get_version ()
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let full_version : string = Z3native.get_full_version()
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let to_string =
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string_of_int major ^ "." ^
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string_of_int minor ^ "." ^
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@ -45,12 +45,12 @@ let mk_list f n =
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let check_int32 v = v = Int32.to_int (Int32.of_int v)
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let mk_int_expr ctx v ty =
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let mk_int_expr ctx v ty =
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if not (check_int32 v) then
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Z3native.mk_numeral ctx (string_of_int v) ty
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else
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Z3native.mk_int ctx v ty
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let mk_context (settings:(string * string) list) =
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let cfg = Z3native.mk_config () in
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let f e = Z3native.set_param_value cfg (fst e) (snd e) in
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@ -62,6 +62,9 @@ let mk_context (settings:(string * string) list) =
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Z3native.enable_concurrent_dec_ref res;
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res
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let interrupt (ctx:context) =
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Z3native.interrupt ctx
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module Symbol =
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struct
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type symbol = Z3native.symbol
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@ -721,7 +724,7 @@ struct
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let mk_exists = _internal_mk_quantifier ~universal:false
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let mk_exists_const = _internal_mk_quantifier_const ~universal:false
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let mk_lambda_const ctx bound body = Z3native.mk_lambda_const ctx (List.length bound) bound body
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let mk_lambda ctx bound body =
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let mk_lambda ctx bound body =
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let names = List.map (fun (x,_) -> x) bound in
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let sorts = List.map (fun (_,y) -> y) bound in
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Z3native.mk_lambda ctx (List.length bound) sorts names body
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@ -917,10 +920,10 @@ struct
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let mk_sort_s (ctx:context) (name:string) (constructors:Constructor.constructor list) =
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mk_sort ctx (Symbol.mk_string ctx name) constructors
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let mk_sort_ref (ctx: context) (name:Symbol.symbol) =
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Z3native.mk_datatype_sort ctx name
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let mk_sort_ref_s (ctx: context) (name: string) =
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mk_sort_ref ctx (Symbol.mk_string ctx name)
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@ -1249,7 +1252,7 @@ end
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module Seq =
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struct
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let mk_seq_sort = Z3native.mk_seq_sort
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let is_seq_sort = Z3native.is_seq_sort
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let is_seq_sort = Z3native.is_seq_sort
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let mk_re_sort = Z3native.mk_re_sort
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let is_re_sort = Z3native.is_re_sort
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let mk_string_sort = Z3native.mk_string_sort
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@ -1264,7 +1267,7 @@ struct
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let mk_seq_concat ctx args = Z3native.mk_seq_concat ctx (List.length args) args
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let mk_seq_prefix = Z3native.mk_seq_prefix
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let mk_seq_suffix = Z3native.mk_seq_suffix
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let mk_seq_contains = Z3native.mk_seq_contains
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let mk_seq_contains = Z3native.mk_seq_contains
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let mk_seq_extract = Z3native.mk_seq_extract
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let mk_seq_replace = Z3native.mk_seq_replace
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let mk_seq_at = Z3native.mk_seq_at
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@ -1889,9 +1892,9 @@ struct
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| _ -> UNKNOWN
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let get_model x =
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try
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try
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let q = Z3native.solver_get_model (gc x) x in
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if Z3native.is_null_model q then None else Some q
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if Z3native.is_null_model q then None else Some q
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with | _ -> None
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let get_proof x =
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@ -1916,6 +1919,9 @@ struct
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let add_simplifier = Z3native.solver_add_simplifier
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let translate x = Z3native.solver_translate (gc x) x
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let to_string x = Z3native.solver_to_string (gc x) x
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let interrupt (ctx:context) (s:solver) =
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Z3native.solver_interrupt ctx s
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end
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@ -48,6 +48,12 @@ type context
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*)
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val mk_context : (string * string) list -> context
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(** Interrupt the execution of a Z3 procedure.
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This procedure can be used to interrupt: solvers, simplifiers and tactics.
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Note: Tactic.interrupt is an alias for this. *)
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val interrupt: context -> unit
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(** Interaction logging for Z3
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Interaction logs are used to record calls into the API into a text file.
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The text file can be replayed using z3. It has to be the same version of z3
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@ -1068,13 +1074,13 @@ sig
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if the corresponding sort reference is 0, then the value in sort_refs should be an index
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referring to one of the recursive datatypes that is declared. *)
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val mk_constructor_s : context -> string -> Symbol.symbol -> Symbol.symbol list -> Sort.sort option list -> int list -> Constructor.constructor
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(* Create a forward reference to a recursive datatype being declared.
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The forward reference can be used in a nested occurrence: the range of an array
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or as element sort of a sequence. The forward reference should only be used when
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used in an accessor for a recursive datatype that gets declared. *)
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val mk_sort_ref : context -> Symbol.symbol -> Sort.sort
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(* [mk_sort_ref_s ctx s] is [mk_sort_ref ctx (Symbol.mk_string ctx s)] *)
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val mk_sort_ref_s : context -> string -> Sort.sort
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@ -1653,8 +1659,8 @@ sig
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- The \c ceiling of [t1/t2] if \c t2 is different from zero, and [t1*t2 < 0].
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If [t2] is zero, then the result is is not uniquely specified.
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It can be set to any value that satisfies the constraints
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If [t2] is zero, then the result is is not uniquely specified.
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It can be set to any value that satisfies the constraints
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where signed division is used.
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The arguments must have the same bit-vector sort. *)
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val mk_sdiv : context -> Expr.expr -> Expr.expr -> Expr.expr
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@ -1662,8 +1668,8 @@ sig
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(** Unsigned remainder.
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It is defined as [t1 - (t1 /u t2) * t2], where [/u] represents unsigned division.
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If [t2] is zero, then the result is not uniquely specified.
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It can be set to any value that satisfies the constraints
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If [t2] is zero, then the result is not uniquely specified.
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It can be set to any value that satisfies the constraints
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where unsigned remainder is used.
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The arguments must have the same bit-vector sort. *)
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val mk_urem : context -> Expr.expr -> Expr.expr -> Expr.expr
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@ -1673,16 +1679,16 @@ sig
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It is defined as [t1 - (t1 /s t2) * t2], where [/s] represents signed division.
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The most significant bit (sign) of the result is equal to the most significant bit of \c t1.
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If [t2] is zero, then the result is not uniquely specified.
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It can be set to any value that satisfies the constraints
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If [t2] is zero, then the result is not uniquely specified.
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It can be set to any value that satisfies the constraints
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where signed remainder is used.
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The arguments must have the same bit-vector sort. *)
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val mk_srem : context -> Expr.expr -> Expr.expr -> Expr.expr
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(** Two's complement signed remainder (sign follows divisor).
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If [t2] is zero, then the result is not uniquely specified.
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It can be set to any value that satisfies the constraints
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If [t2] is zero, then the result is not uniquely specified.
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It can be set to any value that satisfies the constraints
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where two's complement signed remainder is used.
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The arguments must have the same bit-vector sort. *)
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val mk_smod : context -> Expr.expr -> Expr.expr -> Expr.expr
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@ -1864,7 +1870,7 @@ sig
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end
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(** Sequences, Strings and Regular Expressions **)
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module Seq :
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module Seq :
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sig
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(** create a sequence sort *)
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val mk_seq_sort : context -> Sort.sort -> Sort.sort
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@ -1872,9 +1878,9 @@ sig
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(** test if sort is a sequence sort *)
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val is_seq_sort : context -> Sort.sort -> bool
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(** create regular expression sorts over sequences of the argument sort *)
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(** create regular expression sorts over sequences of the argument sort *)
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val mk_re_sort : context -> Sort.sort -> Sort.sort
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(** test if sort is a regular expression sort *)
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val is_re_sort : context -> Sort.sort -> bool
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@ -1885,7 +1891,7 @@ sig
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val mk_char_sort : context -> Sort.sort
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(** test if sort is a string sort (a sequence of 8-bit bit-vectors) *)
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val is_string_sort : context -> Sort.sort -> bool
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val is_string_sort : context -> Sort.sort -> bool
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(** test if sort is a char sort *)
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val is_char_sort : context -> Sort.sort -> bool
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@ -1894,51 +1900,51 @@ sig
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val mk_string : context -> string -> Expr.expr
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(** test if expression is a string *)
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val is_string : context -> Expr.expr -> bool
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val is_string : context -> Expr.expr -> bool
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(** retrieve string from string Expr.expr *)
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val get_string : context -> Expr.expr -> string
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val get_string : context -> Expr.expr -> string
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(** the empty sequence over base sort *)
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val mk_seq_empty : context -> Sort.sort -> Expr.expr
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val mk_seq_empty : context -> Sort.sort -> Expr.expr
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(** a unit sequence *)
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val mk_seq_unit : context -> Expr.expr -> Expr.expr
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val mk_seq_unit : context -> Expr.expr -> Expr.expr
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(** sequence concatenation *)
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val mk_seq_concat : context -> Expr.expr list -> Expr.expr
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val mk_seq_concat : context -> Expr.expr list -> Expr.expr
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(** predicate if the first argument is a prefix of the second *)
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val mk_seq_prefix : context -> Expr.expr -> Expr.expr -> Expr.expr
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val mk_seq_prefix : context -> Expr.expr -> Expr.expr -> Expr.expr
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(** predicate if the first argument is a suffix of the second *)
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val mk_seq_suffix : context -> Expr.expr -> Expr.expr -> Expr.expr
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val mk_seq_suffix : context -> Expr.expr -> Expr.expr -> Expr.expr
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(** predicate if the first argument contains the second *)
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val mk_seq_contains : context -> Expr.expr -> Expr.expr -> Expr.expr
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val mk_seq_contains : context -> Expr.expr -> Expr.expr -> Expr.expr
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(** extract sub-sequence starting at index given by second argument and of length provided by third argument *)
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val mk_seq_extract : context -> Expr.expr -> Expr.expr -> Expr.expr -> Expr.expr
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val mk_seq_extract : context -> Expr.expr -> Expr.expr -> Expr.expr -> Expr.expr
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(** replace first occurrence of second argument by third *)
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val mk_seq_replace : context -> Expr.expr -> Expr.expr -> Expr.expr -> Expr.expr
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val mk_seq_replace : context -> Expr.expr -> Expr.expr -> Expr.expr -> Expr.expr
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(** a unit sequence at index provided by second argument *)
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val mk_seq_at : context -> Expr.expr -> Expr.expr -> Expr.expr
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val mk_seq_at : context -> Expr.expr -> Expr.expr -> Expr.expr
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(** length of a sequence *)
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val mk_seq_length : context -> Expr.expr -> Expr.expr
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(** [mk_seq_nth ctx s index] retrieves from [s] the element at position [index].
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val mk_seq_length : context -> Expr.expr -> Expr.expr
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(** [mk_seq_nth ctx s index] retrieves from [s] the element at position [index].
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The function is under-specified if the index is out of bounds. *)
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val mk_seq_nth : context -> Expr.expr -> Expr.expr -> Expr.expr
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(** index of the first occurrence of the second argument in the first *)
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val mk_seq_index : context -> Expr.expr -> Expr.expr -> Expr.expr -> Expr.expr
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val mk_seq_index : context -> Expr.expr -> Expr.expr -> Expr.expr -> Expr.expr
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(** [mk_seq_last_index ctx s substr] occurence of [substr] in the sequence [s] *)
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val mk_seq_last_index : context -> Expr.expr -> Expr.expr -> Expr.expr
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(** retrieve integer expression encoded in string *)
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val mk_str_to_int : context -> Expr.expr -> Expr.expr
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@ -1950,7 +1956,7 @@ sig
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val mk_str_lt : context -> Expr.expr -> Expr.expr -> Expr.expr
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(** convert an integer expression to a string *)
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val mk_int_to_str : context -> Expr.expr -> Expr.expr
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val mk_int_to_str : context -> Expr.expr -> Expr.expr
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(** [mk_string_to_code ctx s] convert a unit length string [s] to integer code *)
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val mk_string_to_code : context -> Expr.expr -> Expr.expr
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@ -1965,43 +1971,43 @@ sig
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val mk_sbv_to_str : context -> Expr.expr -> Expr.expr
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(** create regular expression that accepts the argument sequence *)
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val mk_seq_to_re : context -> Expr.expr -> Expr.expr
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val mk_seq_to_re : context -> Expr.expr -> Expr.expr
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(** regular expression membership predicate *)
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val mk_seq_in_re : context -> Expr.expr -> Expr.expr -> Expr.expr
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val mk_seq_in_re : context -> Expr.expr -> Expr.expr -> Expr.expr
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(** regular expression plus *)
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val mk_re_plus : context -> Expr.expr -> Expr.expr
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val mk_re_plus : context -> Expr.expr -> Expr.expr
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(** regular expression star *)
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val mk_re_star : context -> Expr.expr -> Expr.expr
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val mk_re_star : context -> Expr.expr -> Expr.expr
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(** optional regular expression *)
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val mk_re_option : context -> Expr.expr -> Expr.expr
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val mk_re_option : context -> Expr.expr -> Expr.expr
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(** union of regular expressions *)
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val mk_re_union : context -> Expr.expr list -> Expr.expr
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val mk_re_union : context -> Expr.expr list -> Expr.expr
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(** concatenation of regular expressions *)
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val mk_re_concat : context -> Expr.expr list -> Expr.expr
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val mk_re_concat : context -> Expr.expr list -> Expr.expr
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(** regular expression for the range between two characters *)
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val mk_re_range : context -> Expr.expr -> Expr.expr -> Expr.expr
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val mk_re_range : context -> Expr.expr -> Expr.expr -> Expr.expr
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(** bounded loop regular expression *)
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val mk_re_loop : context -> Expr.expr -> int -> int -> Expr.expr
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val mk_re_loop : context -> Expr.expr -> int -> int -> Expr.expr
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(** intersection of regular expressions *)
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val mk_re_intersect : context -> Expr.expr list -> Expr.expr
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(** the regular expression complement *)
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val mk_re_complement : context -> Expr.expr -> Expr.expr
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val mk_re_complement : context -> Expr.expr -> Expr.expr
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(** the regular expression that accepts no sequences *)
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val mk_re_empty : context -> Sort.sort -> Expr.expr
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val mk_re_empty : context -> Sort.sort -> Expr.expr
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(** the regular expression that accepts all sequences *)
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val mk_re_full : context -> Sort.sort -> Expr.expr
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val mk_re_full : context -> Sort.sort -> Expr.expr
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(** [mk_char ctx i] converts an integer to a character *)
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val mk_char : context -> int -> Expr.expr
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@ -2339,7 +2345,7 @@ sig
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(** Retrieves the sign of a floating-point literal. *)
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val get_numeral_sign : context -> Expr.expr -> bool * int
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(** Return the sign of a floating-point numeral as a bit-vector expression.
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(** Return the sign of a floating-point numeral as a bit-vector expression.
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Remark: NaN's do not have a bit-vector sign, so they are invalid arguments. *)
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val get_numeral_sign_bv : context -> Expr.expr -> Expr.expr
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@ -2349,11 +2355,11 @@ sig
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(** Return the exponent value of a floating-point numeral as a signed integer *)
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val get_numeral_exponent_int : context -> Expr.expr -> bool -> bool * int64
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(** Return the exponent of a floating-point numeral as a bit-vector expression.
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(** Return the exponent of a floating-point numeral as a bit-vector expression.
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Remark: NaN's do not have a bit-vector exponent, so they are invalid arguments. *)
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val get_numeral_exponent_bv : context -> Expr.expr -> bool -> Expr.expr
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(** Return the significand value of a floating-point numeral as a bit-vector expression.
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(** Return the significand value of a floating-point numeral as a bit-vector expression.
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Remark: NaN's do not have a bit-vector significand, so they are invalid arguments. *)
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val get_numeral_significand_bv : context -> Expr.expr -> Expr.expr
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@ -2386,7 +2392,7 @@ sig
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(** Indicates whether a floating-point numeral is negative. *)
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val is_numeral_negative : context -> Expr.expr -> bool
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(** Conversion of a floating-point term into a bit-vector term in IEEE 754-2008 format. *)
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val mk_to_ieee_bv : context -> Expr.expr -> Expr.expr
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@ -3260,7 +3266,7 @@ sig
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(** Assert multiple constraints (cs) into the solver, and track them (in the
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unsat) core using the Boolean constants in ps.
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This API is an alternative to {!check} with assumptions for extracting unsat cores.
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Both APIs can be used in the same solver. The unsat core will contain a combination
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of the Boolean variables provided using {!assert_and_track} and the Boolean literals
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@ -3269,10 +3275,10 @@ sig
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(** Assert a constraint (c) into the solver, and track it (in the unsat) core
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using the Boolean constant p.
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This API is an alternative to {!check} with assumptions for extracting unsat cores.
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Both APIs can be used in the same solver. The unsat core will contain a combination
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of the Boolean variables provided using {!assert_and_track} and the Boolean literals
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This API is an alternative to {!check} with assumptions for extracting unsat cores.
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Both APIs can be used in the same solver. The unsat core will contain a combination
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of the Boolean variables provided using {!assert_and_track} and the Boolean literals
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provided using {!check} with assumptions. *)
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val assert_and_track : solver -> Expr.expr -> Expr.expr -> unit
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@ -3342,6 +3348,15 @@ sig
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(** A string representation of the solver. *)
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val to_string : solver -> string
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(** Solver local interrupt.
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Normally you should use Z3_interrupt to cancel solvers because only
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one solver is enabled concurrently per context.
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However, per GitHub issue #1006, there are use cases where
|
||||
it is more convenient to cancel a specific solver. Solvers
|
||||
that are not selected for interrupts are left alone.*)
|
||||
val interrupt: context -> solver -> unit
|
||||
end
|
||||
|
||||
(** Fixedpoint solving *)
|
||||
|
|
@ -3496,23 +3511,23 @@ sig
|
|||
val get_statistics : optimize -> Statistics.statistics
|
||||
|
||||
(** Parse an SMT-LIB2 file with assertions, soft constraints and optimization
|
||||
objectives. Add the parsed constraints and objectives to the optimization
|
||||
objectives. Add the parsed constraints and objectives to the optimization
|
||||
context. *)
|
||||
val from_file : optimize -> string -> unit
|
||||
|
||||
(** Parse an SMT-LIB2 string with assertions, soft constraints and optimization
|
||||
objectives. Add the parsed constraints and objectives to the optimization
|
||||
(** Parse an SMT-LIB2 string with assertions, soft constraints and optimization
|
||||
objectives. Add the parsed constraints and objectives to the optimization
|
||||
context. *)
|
||||
val from_string : optimize -> string -> unit
|
||||
|
||||
(** Return the set of asserted formulas on the optimization context. *)
|
||||
|
||||
(** Return the set of asserted formulas on the optimization context. *)
|
||||
val get_assertions : optimize -> Expr.expr list
|
||||
|
||||
(** Return objectives on the optimization context. If the objective function
|
||||
is a max-sat objective it is returned as a Pseudo-Boolean (minimization)
|
||||
sum of the form (+ (if f1 w1 0) (if f2 w2 0) ...). If the objective
|
||||
function is entered as a maximization objective, then return the
|
||||
corresponding minimization objective. In this way the resulting
|
||||
(** Return objectives on the optimization context. If the objective function
|
||||
is a max-sat objective it is returned as a Pseudo-Boolean (minimization)
|
||||
sum of the form (+ (if f1 w1 0) (if f2 w2 0) ...). If the objective
|
||||
function is entered as a maximization objective, then return the
|
||||
corresponding minimization objective. In this way the resulting
|
||||
objective function is always returned as a minimization objective. *)
|
||||
val get_objectives : optimize -> Expr.expr list
|
||||
end
|
||||
|
|
|
|||
Loading…
Reference in a new issue