#no update for variables
{
init
	node idle; true
	[ 
	send1||tran  active; true; y=0; 1
	]
	[
	send2||tran  active; true; y=0; 1
	 ] 
}
{
	node active; true
	[ 
	end1||tran  idle; true; y=0; 1
	 ] 
	[ 
	end2||tran  idle; true; y=0; 1
	 ] 
	[ 
	send1||tran  collision; y<26; y=0; 1
	 ] 
	[ 
	send2||tran  collision; y<26; y=0; 1
	 ] 
	[ 
	busy1||tran  active; y>=26; null; 1
	 ] 
	[ 
	busy2||tran  active; y>=26; null; 1
	 ] 
}
{
	node collision; y<=26
	[ 
	cd||tran  idle; y<=26; y=0; 1
	 ] 
*