Definition initial_mem_match (bc: block_classification) (m: mem) (g: genv) :=
  forall id b v,
  Genv.find_symbol g id = Some b -> Genv.find_var_info g b = Some v ->
  v.(gvar_volatile) = false -> v.(gvar_readonly) = true ->
  bmatch bc m b (store_init_data_list (ablock_init Pbot) 0 v.(gvar_init)).

Lemma alloc_global_match: forall m g idg m', Genv.genv_next g = Mem.nextblock m -> initial_mem_match bc m g -> Genv.alloc_global ge m idg = Some m' -> initial_mem_match bc m' (Genv.add_global g idg).