Definition Inv11 (s : StGlobal) :=
  match s with
  | (_, ((sc, _), (sg, _))) =>
      sg = Lowering \/ sg = Closed -> sc = Sc3 \/ sc = Sc4
  end.

(* Specifications: *)
Lemma lema_Inv11 : ForAll TrGlobal SiniTCG Inv11.