YES


Termination: (Ranking Functions Found)
------------
n_n_eval_main_bb2_in___2___2: < < v_x_P0 >, < 1 -v_y_P0 >, < v_x_P0 -v_y_P0 > >
n_n_eval_main_bb2_in___2___3: < < v_x_P0 >, < 1 -v_y_P0 >, < v_x_P0 -v_y_P0 > >
n_n_eval_main_bb2_in___3___1: < < v_x_P0 >, < 1 -v_y_P0 >, < v_x_P0 -v_y_P0 > >


method 1