p
0
0
p
s
X
X
leq
0
Y
true
leq
s
X
0
false
leq
s
X
s
Y
leq
X
Y
if
true
X
Y
activate
X
if
false
X
Y
activate
Y
diff
X
Y
if
leq
X
Y
n__0
n__s
n__diff
n__p
X
Y
0
n__0
s
X
n__s
X
diff
X1
X2
n__diff
X1
X2
p
X
n__p
X
activate
n__0
0
activate
n__s
X
s
activate
X
activate
n__diff
X1
X2
diff
activate
X1
activate
X2
activate
n__p
X
p
activate
X
activate
X
X
p
1
0
0
s
1
leq
2
true
0
false
0
if
3
activate
1
diff
2
n__0
0
n__s
1
n__diff
2
n__p
1
FULL