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)).

Theorem initial_mem_matches: forall m, Genv.init_mem prog = Some m -> exists bc, genv_match bc ge /\ bc_below bc (Mem.nextblock m) /\ bc_nostack bc /\ (forall cunit, linkorder cunit prog -> romatch bc m (romem_for cunit)) /\ (forall b, Mem.valid_block m b -> bc b <> BCinvalid).