Local Hint Resolve valid_block_free_1 valid_block_free_2: mem.

(* Specifications: *)
Theorem perm_free_1:
forall b ofs k p,
b <> bf \/ ofs < lo \/ hi <= ofs ->
perm m1 b ofs k p ->
perm m2 b ofs k p.
Theorem perm_free_2:
forall ofs k p, lo <= ofs < hi -> ~ perm m2 bf ofs k p.
Theorem perm_free_3:
forall b ofs k p,
perm m2 b ofs k p -> perm m1 b ofs k p.
Theorem perm_free_inv:
forall b ofs k p,
perm m1 b ofs k p ->
(b = bf /\ lo <= ofs < hi) \/ perm m2 b ofs k p.
Theorem valid_access_free_1:
forall chunk b ofs p,
valid_access m1 chunk b ofs p ->
b <> bf \/ lo >= hi \/ ofs + size_chunk chunk <= lo \/ hi <= ofs ->
valid_access m2 chunk b ofs p.
Theorem valid_access_free_2:
forall chunk ofs p,
lo < hi -> ofs + size_chunk chunk > lo -> ofs < hi ->
~(valid_access m2 chunk bf ofs p).
Theorem valid_access_free_inv_1:
forall chunk b ofs p,
valid_access m2 chunk b ofs p ->
valid_access m1 chunk b ofs p.
Theorem valid_access_free_inv_2:
forall chunk ofs p,
valid_access m2 chunk bf ofs p ->
lo >= hi \/ ofs + size_chunk chunk <= lo \/ hi <= ofs.
Theorem load_free:
forall chunk b ofs,
b <> bf \/ lo >= hi \/ ofs + size_chunk chunk <= lo \/ hi <= ofs ->
load chunk m2 b ofs = load chunk m1 b ofs.
Theorem load_free_2:
forall chunk b ofs v,
load chunk m2 b ofs = Some v -> load chunk m1 b ofs = Some v.
Theorem loadbytes_free:
forall b ofs n,
b <> bf \/ lo >= hi \/ ofs + n <= lo \/ hi <= ofs ->
loadbytes m2 b ofs n = loadbytes m1 b ofs n.
Theorem loadbytes_free_2:
forall b ofs n bytes,
loadbytes m2 b ofs n = Some bytes -> loadbytes m1 b ofs n = Some bytes.