Goal:
    n : Z  m : Z  comp : (n < m)%Z
  ============================
   (n <= m)%Z


DEBUG:Going to execute:
intros; Zify.zify_pre_hook; zify_elim_let; zify_op;
            Zify.zify_iter_specs; Zify.zify_to_euclidean_division_equations;
            Zify.zify_post_hook