NO Nontermination proof succeeded Found this recurrent set for cutpoint 11: 1 <= b_16_0 and b_16_0 <= 1 and 1 <= b_16_post and b_16_post <= 1 and b_16_post-b_16_0 <= 0 and b_16_0-b_16_post <= 0 and b_16_post+b_16_0 <= 2 and 2 <= b_16_post+b_16_0 and b_16_0+-1 <= 0 and -b_16_0+1 <= 0 Errors: