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(*                                                                  *)
(*  The Why3 Verification Platform   /   The Why3 Development Team  *)
(*  Copyright 2010-2019   --   Inria - CNRS - Paris-Sud University  *)
(*                                                                  *)
(*  This software is distributed under the terms of the GNU Lesser  *)
(*  General Public License version 2.1, with the special exception  *)
(*  on linking described in file LICENSE.                           *)
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val eliminate_builtin         : Task.task Trans.trans

val compute_diff :
  (Theory.meta * Theory.meta_arg list) list Trans.trans Trans.trans
(** compute the meta_remove given two tasks one included in the other *)


val eliminate_definition_func : Task.task Trans.trans
val eliminate_definition_pred : Task.task Trans.trans
val eliminate_definition      : Task.task Trans.trans
val eliminate_definition_gen : (Term.lsymbol -> bool) -> Task.task Trans.trans

val eliminate_mutual_recursion: Task.task Trans.trans

(** bisection *)

type rem = { rem_pr : Decl.Spr.t; rem_ls : Term.Sls.t; rem_ts : Ty.Sts.t }

(* unused
val bisect : (Task.task -> bool) -> Task.task -> rem
  (** [bisect test task] return the symbols that
      can be removed without making the task invalid for
      the function test. *)
 *)

type bisect_step =
| BSdone of rem
| BSstep of rem * (bool -> bisect_step)

val bisect_step : Task.task -> bisect_step
(** Same as before but doing it step by step *)
