(* Import the AST of this C program *)
(* The next line is "boilerplate", always required after importing an AST. *)
Instance CompSpecs : compspecs.Definition Vprog : varspecs.

Lemma In_sorted_range : forall lo hi x l (Hsort : sorted l) (Hlo : 0 <= lo <= hi) (Hhi : hi <= Zlength l) (Hin : In x (sublist lo hi l)), Znth lo l <= x <= Znth (hi - 1) l.