NO
Nontermination proof succeeded
Found this recurrent set for cutpoint 8: 0 <= b_7_0 and b_7_0 <= 0 and 0 <= b_7_post and b_7_post <= 0 and b_7_post-b_7_0 <= 0 and b_7_0-b_7_post <= 0 and b_7_post+b_7_0 <= 0 and 0 <= b_7_post+b_7_0 and -y_6_0+x_5_0+1 <= 0 and -b_7_0 <= 0 and b_7_0 <= 0
Errors: