Parameter DC_a : BV.Axiom DC_asize : lengthbv DC_a = a_size.Parameter DC_d : BV.Axiom DC_dsize : lengthbv DC_d = d_size.

Lemma di_di' : forall t : nat, di t di_init cx_init al_init mem_init = di' t di_init cx_init al_init mem_init DC_a DC_d.