Definition all_initializers_aligned (prog: program) :=
  forallb (fun idv => andb (initializers_aligned 0 (gvar_init (snd idv)))
                                 (Zlt_bool (init_data_list_size (gvar_init (snd idv))) Ptrofs.modulus))
                      (prog_vars prog) = true.

Lemma alloc_global_beyond2: forall {F V} (ge: Genv.t F V) m iv m', Genv.alloc_global ge m iv = Some m' -> forall loc, (fst loc > nextblock m)%positive -> access_at m' loc Cur = None.