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 initial_mem_core: forall lev m j IOK, j = initial_mem m lev IOK -> juicy_mem_core j = core lev.