Program Definition cmin_coop_sem :
  CoopCoreSem Cminor.genv CMin_core.

Lemma CompCertStep_2_CMin_corestep: forall (ge : genv) (q : CMin_core) (m : mem) t c', step ge (ToState q m) t c' -> CMin_at_external q = None -> exists q', exists m', c' = ToState q' m' /\ CMin_corestep ge q m q' m'.