Proof using.
red. unfold state_machine_log in *. simpl in *. intros.
find_higher_order_rewrite.
destruct_update; simpl in *; eauto.
erewrite handleAppendEntriesReply_stateMachine; eauto.
erewrite handleAppendEntriesReply_log; eauto.
erewrite handleAppendEntriesReply_same_lastApplied; eauto.
Qed.

(* Specifications: *)
Lemma state_machine_request_vote :
raft_net_invariant_request_vote' state_machine_log.