Figure 1:

Figure 2:

Figure 3:

Figure 4:

Figure 5:

Formal verification of the traffic monitoring system_
| Query | Formula | Result |
|---|---|---|
| Is MTM3 signal’s green light working? | EF (MTM Signal.MTM3 Red=0 and | Satisfied |
| Is MTM3 signal’s yellow light working? | EF (MTM Signal.MTM3 Red=0 and | Satisfied |
| Is MTM3 signal’s red light working? | EF (MTM Signal.MTM3 Red=1 and | Satisfied |
| Is MTM4 signal working? | EF ((MTM Signal.MTM4 Red=1 | Satisfied |
| Is MTM4 signal’s green light working? | EF (MTM Signal.MTM4 Red=0 and | Satisfied |
| Is MTM4 signal’s yellow light working? | EF (MTM Signal.MTM4 Red=0 and | Satisfied |
| Is MTM4 signal’s red light working? | EF (MTM Signal.MTM4 Red=1 and | Satisfied |