YES


Termination: (Ranking Functions Found)
------------
l23: < < 1 - ip_0 + n_0 > >
l5: < < - ip_0 + n_0 >, < - iq_0 + n_0, - iq_0 + n_0 > >
l6: < < 1 - ip_0 + n_0 > >
l7: < < - ip_0 + n_0 >, < 1 - iq_0 + n_0, 0 > >