Proof using.
red. unfold allEntries_log in *. intros. simpl in *.
repeat find_higher_order_rewrite.
find_copy_apply_lem_hyp handleRequestVote_log.
find_apply_lem_hyp handleRequestVote_currentTerm_leaderId.
destruct_update; simpl in *; eauto;
try find_rewrite_lem update_elections_data_requestVote_allEntries;
find_apply_hyp_hyp; repeat find_rewrite; intuition;
right; break_exists_exists; intuition; repeat find_higher_order_rewrite;
destruct_update; simpl in *; auto;
rewrite update_elections_data_requestVote_leaderLogs; auto.
Qed.

Lemma handleRequestVoteReply_log' :
forall h st h' t r,
log (handleRequestVoteReply h st h' t r) = log st.