Section ALLOC_OK.
Variable nextb: positive.
Variable nextb': positive.
Variable LESS:  (nextb <= nextb')%positive.
End ALLOC_OK.

Lemma loadbytes_storebytes_wd2:
forall m b' z' sz b z bytes m',
mem_wd2 m ->
Mem.loadbytes m b' z' sz = Some bytes ->
Mem.storebytes m b z bytes = Some m' -> mem_wd2 m'.