End 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).