YES


Termination: (Ranking Functions Found)
------------
l0: < < i4_0 > >
l1: < < i4_0 > >
l2: < < -i3_0 + n_0 > >
l3: < < -i3_0 + n_0 > >
l4: < < i2_0 > >
l5: < < i2_0 > >
l6: < < -i1_0 + n_0 > >
l7: < < 1 -i1_0 + n_0 > >


method 1