fact: Variables (ll : list dio_constraint) (Hll : forall c x, In c ll -> dc_vars c x -> x < k).
imports: Arith Lia List Bool Undecidability.Shared.Libs.DLW.Utils(utils_tac utils_list sums bounded_quantification) Undecidability.H10.Matija(cipher) Undecidability.H10.Dio(dio_logic dio_cipher dio_elem)