YES


Termination: (Ranking Functions Found)
------------
l37: < < -ip_0 + n_0 >, < -iq_0 + n_0 > >
l38: < < -ip_0 + n_0 > >
l39: < < -ip_0 + n_0 >, < -iq_0 + n_0 > >
l40: < < -ip_0 + n_0 > >


method 1