Definition bnd_from_init m := bounded_maps.bounded_map (snd (getMaxPerm m)) /\ (Mem.mem_access m).1 = fun z k => None.

Lemma CLight_step_mem_bound ge c m c' m':
veric.Clight_new.cl_step ge c m c' m' ->
bounded_maps.bounded_map (snd (getMaxPerm m)) ->
bounded_maps.bounded_map (snd (getMaxPerm m')).