fact: Fixpoint inc_dec_in_queue (s : Site) (q : queue Message) {struct q} : Prop := match q with | empty => False | input (inc_dec s2) q' => if eq_site_dec s2 s then True else False | input _ q' => inc_dec_in_queue s q' end.
imports: DistributedReferenceCounting.machine2.invariant0 DistributedReferenceCounting.machine2.invariant1 DistributedReferenceCounting.machine2.invariant2 DistributedReferenceCounting.machine2.invariant3 DistributedReferenceCounting.machine2.invariant4