Section FIND_LABEL.
Variable f: meminj.
Variable cenv: compilenv.
Variable m: mem.
Variables bound tbound: block.
Variable lbl: ident.
End FIND_LABEL.

Lemma step_simulation:
forall S1 t S2, step1 ge S1 t S2 ->
forall S1' (MS: match_states S1 S1'), exists S2', plus step2 tge S1' t S2' /\ match_states S2 S2'.