Section REC_COP3_EFFECT.
(* invariants *)
Variable c0 : Config.
Variable s0 s1 s2 s3 s4 : Site.
Hypothesis rt_true : rt c0 s2 = false.

Lemma rcop3_trans_in_queue :
s0 <> s1 ->
In_queue Message (inc_dec s0) (bm (rec_copy3_trans c0 s1 s2) s3 s4) ->
In_queue Message (inc_dec s0) (bm c0 s3 s4).