#no update for variables
{
#0
init
	node di; x<=2
	[ 
	tran  sr; x>=1;x=0;0.9
	tran  si; x>=1;x=0;0.1
	] 
}
#1
{
	node si; x<=3
	[
	tran   si;x>=2;x=0;0.05
	tran   sr;x>=2;x=0;0.95
	]
}
#2
{
	node sr; true
	[
	]
*