Proof (proj1 eval_funcall_exec_stmt_steps).

Lemma exec_stmt_steps:
forall f sp e m s t e' m' out,
exec_stmt ge f sp e m s t e' m' out ->
forall k,
exists S,
star step ge (State f s k sp e m) t S
/\ outcome_state_match sp e' m' f k out S.