Promela and Model Description
. LTL (continued)
LTL operators used in Spin expression
[]: always,
<>: eventually,
!: not
U: until,
V: (dual of U),
&&: and, ||: or,
->: imply,
<->:equivalence
ex1: spin –f “[] p”
ex2: spin –f “p U (q U r)”