End REC_COP1_EFFECT.
Section REC_COP1_CTRL.
(* decompte de messages *)
Variable c0 : Config.
Variable s0 s1 s2 : Site.
Hypothesis first_mess : first Message (bm c0 s1 s2) = value Message copy.

Lemma rcop1_trans_ctrl_inc :
forall s3 : Site,
ctrl_inc s0 s3 (bm (rec_copy1_trans c0 s1 s2)) = ctrl_inc s0 s3 (bm c0).