Proof using.
red. unfold state_machine_log in *. simpl in *. intros.
find_higher_order_rewrite.
destruct_update; simpl in *; eauto.
erewrite handleRequestVoteReply_log; eauto.
erewrite handleRequestVoteReply_same_lastApplied; eauto.
erewrite handleRequestVoteReply_stateMachine; eauto.
Qed.

(* Specifications: *)
Lemma state_machine_timeout :
raft_net_invariant_timeout' state_machine_log.