Hint Resolve ctr_inv_exclusive.

(* Specifications: *)
Lemma thread_inv_exclusive : forall sh ctr lock lockt,
exclusive_mpred (thread_lock_inv sh ctr lock lockt).
Lemma thread_inv_exclusive : forall tsh sh lg i ctr lock lockt,
exclusive_mpred (thread_lock_inv tsh sh lg i ctr lock lockt).
Lemma thread_inv_exclusive : forall sh g1 g2 ctr lock lockt,
exclusive_mpred (thread_lock_inv sh g1 g2 ctr lock lockt).