YES Termination: (Ranking Functions Found) ------------ l3: < < 31 - nI6_0, 31 - nI6_0 > > l0: < < 31 - nI6_0, 0 > > l2: < < 31 - nI6_0, 0 > > l1: < < 31 - nI6_0, 31 - nI6_0 > >