YES Termination: (Ranking Functions Found) ------------ l1: < < -x_5_0 + y_6_0 >, < -x_5_0 + y_6_0 > > l5: < < -1 > > l6: < < -x_5_0 + y_6_0 >, < -x_5_0 + y_6_0 > > method 1