The mpv tool finds 239 transitions and 121 states,
including 2 accepting states and 61 dead states. The accepting states are marked but
they are hard to find in Figure 6.12. They are easier to find in the mpv session, where
we can magnify and scroll the graph.
The dead states are easier to find, because there are so many of them. Near the
initial state, the FSM divides into two regions, each with many interior links but no
Systems with Finite Models 111
0
2
Timeout()
1
Command()
71
113
Calibrate()
99
103
Calibrate()
6
9
CheckMessage()
8
19
NoHandler()
16
CheckMessage()
11
Command()
12
Timeout()
13
Calibrate()
23
Poll()
25
TimeoutMsgLate()
28
TimeoutMsgLost()
27
Message("99.9")
24
Command()
26
Message("999.9")
30
ReportLostMessage()
51
ReportLostMessage()
29
CheckMessage()
31
NoHandler()
CheckMessage()
TimeoutMsgLate() TimeoutMsgLost()
Message("99.9")
Command()
Message("999.9")
54
Timeout()
53
Command()
56
Reset()
55
NoHandler()
Timeout()
Command()
58
TimeoutMsgLate()
57
Command()
59
Message("999.9")
60
Message("99.9")
61
TimeoutMsgLost()
62
NoHandler()
63
NoHandler()
CheckMessage()
CheckMessage()
64
NoHandler()
65
Command()
66
NoHandler() Command()
TimeoutMsgLate()
Command()
Message("999.9") Message("99.9") TimeoutMsgLost()
68
Message("999.9")
67
Command()
69
Message("99.
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