NO Nontermination proof succeeded Found this recurrent set for cutpoint 40: 0 <= flag10_0 and flag10_0 <= 0 and 0 <= flag10_post and flag10_post <= 0 and 0 <= flag211_0 and flag211_0 <= 0 and 0 <= flag211_post and flag211_post <= 0 and 3 <= i3_0 and 3 <= i3_post and 20 <= ir4_0 and ir4_0 <= 20 and 20 <= ir4_post and ir4_post <= 20 and 20 <= j5_post and j5_post <= 20 and 10 <= k1_post and k1_post <= 10 and 1 <= l6_0 and l6_0 <= 1 and 1 <= l6_post and l6_post <= 1 and 20 <= n2_post and n2_post <= 20 and flag10_0-flag211_0 <= 0 and flag211_0-flag10_0 <= 0 and flag10_0+flag211_0 <= 0 and 0 <= flag10_0+flag211_0 and flag10_0-i3_0 <= -3 and 3 <= flag10_0+i3_0 and flag10_0-i3_post <= -3 and 3 <= flag10_0+i3_post and flag10_0-ir4_0 <= -20 and ir4_0-flag10_0 <= 20 and flag10_0+ir4_0 <= 20 and 20 <= flag10_0+ir4_0 and flag10_0-j5_post <= -20 and j5_post-flag10_0 <= 20 and flag10_0+j5_post <= 20 and 20 <= flag10_0+j5_post and flag10_0-l6_0 <= -1 and l6_0-flag10_0 <= 1 and flag10_0+l6_0 <= 1 and 1 <= flag10_0+l6_0 and flag10_post-flag10_0 <= 0 and flag10_0-flag10_post <= 0 and flag10_post+flag10_0 <= 0 and 0 <= flag10_post+flag10_0 and flag10_post-flag211_0 <= 0 and flag211_0-flag10_post <= 0 and flag10_post+flag211_0 <= 0 and 0 <= flag10_post+flag211_0 and flag10_post-flag211_post <= 0 and flag211_post-flag10_post <= 0 and flag10_post+flag211_post <= 0 and 0 <= flag10_post+flag211_post and flag10_post-i3_0 <= -3 and 3 <= flag10_post+i3_0 and flag10_post-i3_post <= -3 and 3 <= flag10_post+i3_post and flag10_post-ir4_0 <= -20 and ir4_0-flag10_post <= 20 and flag10_post+ir4_0 <= 20 and 20 <= flag10_post+ir4_0 and flag10_post-ir4_post <= -20 and ir4_post-flag10_post <= 20 and flag10_post+ir4_post <= 20 and 20 <= flag10_post+ir4_post and flag10_post-j5_post <= -20 and j5_post-flag10_post <= 20 and flag10_post+j5_post <= 20 and 20 <= flag10_post+j5_post and flag10_post-k1_post <= -10 and k1_post-flag10_post <= 10 and flag10_post+k1_post <= 10 and 10 <= flag10_post+k1_post and flag10_post-l6_0 <= -1 and l6_0-flag10_post <= 1 and flag10_post+l6_0 <= 1 and 1 <= flag10_post+l6_0 and flag10_post-l6_post <= -1 and l6_post-flag10_post <= 1 and flag10_post+l6_post <= 1 and 1 <= flag10_post+l6_post and flag10_post-n2_post <= -20 and n2_post-flag10_post <= 20 and flag10_post+n2_post <= 20 and 20 <= flag10_post+n2_post and flag211_0-i3_0 <= -3 and 3 <= flag211_0+i3_0 and flag211_0-i3_post <= -3 and 3 <= flag211_0+i3_post and flag211_0-ir4_0 <= -20 and ir4_0-flag211_0 <= 20 and flag211_0+ir4_0 <= 20 and 20 <= flag211_0+ir4_0 and flag211_0-j5_post <= -20 and j5_post-flag211_0 <= 20 and flag211_0+j5_post <= 20 and 20 <= flag211_0+j5_post and flag211_0-l6_0 <= -1 and l6_0-flag211_0 <= 1 and flag211_0+l6_0 <= 1 and 1 <= flag211_0+l6_0 and flag211_post-flag10_0 <= 0 and flag10_0-flag211_post <= 0 and flag211_post+flag10_0 <= 0 and 0 <= flag211_post+flag10_0 and flag211_post-flag211_0 <= 0 and flag211_0-flag211_post <= 0 and flag211_post+flag211_0 <= 0 and 0 <= flag211_post+flag211_0 and flag211_post-i3_0 <= -3 and 3 <= flag211_post+i3_0 and flag211_post-i3_post <= -3 and 3 <= flag211_post+i3_post and flag211_post-ir4_0 <= -20 and ir4_0-flag211_post <= 20 and flag211_post+ir4_0 <= 20 and 20 <= flag211_post+ir4_0 and flag211_post-ir4_post <= -20 and ir4_post-flag211_post <= 20 and flag211_post+ir4_post <= 20 and 20 <= flag211_post+ir4_post and flag211_post-j5_post <= -20 and j5_post-flag211_post <= 20 and flag211_post+j5_post <= 20 and 20 <= flag211_post+j5_post and flag211_post-k1_post <= -10 and k1_post-flag211_post <= 10 and flag211_post+k1_post <= 10 and 10 <= flag211_post+k1_post and flag211_post-l6_0 <= -1 and l6_0-flag211_post <= 1 and flag211_post+l6_0 <= 1 and 1 <= flag211_post+l6_0 and flag211_post-l6_post <= -1 and l6_post-flag211_post <= 1 and flag211_post+l6_post <= 1 and 1 <= flag211_post+l6_post and flag211_post-n2_post <= -20 and n2_post-flag211_post <= 20 and flag211_post+n2_post <= 20 and 20 <= flag211_post+n2_post and i3_0-i3_post <= 0 and i3_post-i3_0 <= 0 and 6 <= i3_0+i3_post and j5_post-i3_0 <= 17 and 23 <= i3_0+j5_post and ir4_0-i3_0 <= 17 and 23 <= ir4_0+i3_0 and ir4_0-i3_post <= 17 and 23 <= ir4_0+i3_post and ir4_0-j5_post <= 0 and j5_post-ir4_0 <= 0 and ir4_0+j5_post <= 40 and 40 <= ir4_0+j5_post and ir4_0-l6_0 <= 19 and l6_0-ir4_0 <= -19 and ir4_0+l6_0 <= 21 and 21 <= ir4_0+l6_0 and ir4_post-flag10_0 <= 20 and flag10_0-ir4_post <= -20 and ir4_post+flag10_0 <= 20 and 20 <= ir4_post+flag10_0 and ir4_post-flag211_0 <= 20 and flag211_0-ir4_post <= -20 and ir4_post+flag211_0 <= 20 and 20 <= ir4_post+flag211_0 and ir4_post-i3_0 <= 17 and 23 <= ir4_post+i3_0 and ir4_post-i3_post <= 17 and 23 <= ir4_post+i3_post and ir4_post-ir4_0 <= 0 and ir4_0-ir4_post <= 0 and ir4_post+ir4_0 <= 40 and 40 <= ir4_post+ir4_0 and ir4_post-j5_post <= 0 and j5_post-ir4_post <= 0 and ir4_post+j5_post <= 40 and 40 <= ir4_post+j5_post and ir4_post-k1_post <= 10 and k1_post-ir4_post <= -10 and ir4_post+k1_post <= 30 and 30 <= ir4_post+k1_post and ir4_post-l6_0 <= 19 and l6_0-ir4_post <= -19 and ir4_post+l6_0 <= 21 and 21 <= ir4_post+l6_0 and ir4_post-l6_post <= 19 and l6_post-ir4_post <= -19 and ir4_post+l6_post <= 21 and 21 <= ir4_post+l6_post and ir4_post-n2_post <= 0 and n2_post-ir4_post <= 0 and ir4_post+n2_post <= 40 and 40 <= ir4_post+n2_post and j5_post-i3_post <= 17 and 23 <= j5_post+i3_post and k1_post-flag10_0 <= 10 and flag10_0-k1_post <= -10 and k1_post+flag10_0 <= 10 and 10 <= k1_post+flag10_0 and k1_post-flag211_0 <= 10 and flag211_0-k1_post <= -10 and k1_post+flag211_0 <= 10 and 10 <= k1_post+flag211_0 and k1_post-i3_0 <= 7 and 13 <= k1_post+i3_0 and k1_post-i3_post <= 7 and 13 <= k1_post+i3_post and k1_post-ir4_0 <= -10 and ir4_0-k1_post <= 10 and k1_post+ir4_0 <= 30 and 30 <= k1_post+ir4_0 and k1_post-j5_post <= -10 and j5_post-k1_post <= 10 and k1_post+j5_post <= 30 and 30 <= k1_post+j5_post and k1_post-l6_0 <= 9 and l6_0-k1_post <= -9 and k1_post+l6_0 <= 11 and 11 <= k1_post+l6_0 and k1_post-l6_post <= 9 and l6_post-k1_post <= -9 and k1_post+l6_post <= 11 and 11 <= k1_post+l6_post and k1_post-n2_post <= -10 and n2_post-k1_post <= 10 and k1_post+n2_post <= 30 and 30 <= k1_post+n2_post and l6_0-i3_0 <= -2 and 4 <= l6_0+i3_0 and l6_0-i3_post <= -2 and 4 <= l6_0+i3_post and l6_0-j5_post <= -19 and j5_post-l6_0 <= 19 and l6_0+j5_post <= 21 and 21 <= l6_0+j5_post and l6_post-flag10_0 <= 1 and flag10_0-l6_post <= -1 and l6_post+flag10_0 <= 1 and 1 <= l6_post+flag10_0 and l6_post-flag211_0 <= 1 and flag211_0-l6_post <= -1 and l6_post+flag211_0 <= 1 and 1 <= l6_post+flag211_0 and l6_post-i3_0 <= -2 and 4 <= l6_post+i3_0 and l6_post-i3_post <= -2 and 4 <= l6_post+i3_post and l6_post-ir4_0 <= -19 and ir4_0-l6_post <= 19 and l6_post+ir4_0 <= 21 and 21 <= l6_post+ir4_0 and l6_post-j5_post <= -19 and j5_post-l6_post <= 19 and l6_post+j5_post <= 21 and 21 <= l6_post+j5_post and l6_post-l6_0 <= 0 and l6_0-l6_post <= 0 and l6_post+l6_0 <= 2 and 2 <= l6_post+l6_0 and l6_post-n2_post <= -19 and n2_post-l6_post <= 19 and l6_post+n2_post <= 21 and 21 <= l6_post+n2_post and n2_post-flag10_0 <= 20 and flag10_0-n2_post <= -20 and n2_post+flag10_0 <= 20 and 20 <= n2_post+flag10_0 and n2_post-flag211_0 <= 20 and flag211_0-n2_post <= -20 and n2_post+flag211_0 <= 20 and 20 <= n2_post+flag211_0 and n2_post-i3_0 <= 17 and 23 <= n2_post+i3_0 and n2_post-i3_post <= 17 and 23 <= n2_post+i3_post and n2_post-ir4_0 <= 0 and ir4_0-n2_post <= 0 and n2_post+ir4_0 <= 40 and 40 <= n2_post+ir4_0 and n2_post-j5_post <= 0 and j5_post-n2_post <= 0 and n2_post+j5_post <= 40 and 40 <= n2_post+j5_post and n2_post-l6_0 <= 19 and l6_0-n2_post <= -19 and n2_post+l6_0 <= 21 and 21 <= n2_post+l6_0 and 0 <= 0 Errors: