NO


NON-Termination:
----------------
SCC:
+--transitions: t1,t2,t3,t4,t5
+--nodes: l1,l2,l3,l4
Closed walk: 4 -> t1, t3, t4, t5
Reachability checked!
- Recurrent Set Found:
{
	y_0 -y_post == 0,
	x_0 + y_0 -x_post == 0,
	y_0 -X5 == 0,
	x_0 + y_0 -X4 == 0,
	y_0 -X3 == 0,
	x_0 -X2 == 0,
	y_0 -X1 == 0,
	x_0 -X0 == 0,
	-1 + x_0 >= 0,
	-1 + y_0 >= 0
}
method 1