YES


Termination: (Ranking Functions Found)
------------
eval_main_5: < < 2 * v_oldx.0 > >
eval_main_6: < < -2 + 4 * v_x.0 > >
eval_main_bb1_in: < < 2 * v_oldx.0 > >
eval_main_bb2_in: < < 2 * v_oldx.0 > >


method 1