Program Definition mapsto_can_store_definition ch v sh (wsh: writable0_share sh) b ofs jm (v':val)
  (MAPSTO: (address_mapsto ch v sh (b, ofs) * TT)%pred (m_phi jm)):
  Memory.mem.

Lemma perm_of_res_lock_not_Freeable: forall r, perm_order'' (Some Writable) (perm_of_res_lock r).