
408 Model-Based Testing for Embedded Systems
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Iterations Iterations
Coverage
× 10
4
× 10
4
γ
∗
(P
k
,G
k
,B)
P
k
3 3.5 4 4.5 5
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gRRT
agRRT
3.5 4 4.5 5
G
k
FIGURE 14.16
Left: Test coverage of the result obtained using agRRT for Example 1. Right: Comparing
gRRT and agRRT.
–1 –3
–3 –2 –1 0
x
yy
x
12 3
–2
–1
0
1
2
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–1.5 –1 –0.5 0 0.5 1 1.5 2 2.5
–0.5
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3
FIGURE 14.17
Result after k =50,000 iterations, obtained using agRRT (left: the set of visited states P
k
,
right: the set of goal states G
k
).
create more states near the boundary of the reachable set. In this case, the disparity between ...