Experimental Evaluation of FSM-Based Testing Cost for Time-Delay Systems

Table 2

The experimental data of different coverage criteria for 𝑊-method.

Group number	Number of states	Number of inputs	Number of outputs	Average length of initial test suites	𝑊-method/average length of test suites satisfying each coverage criteria
					SC	TC	IF	TF
1	3	2	2	32	4	11	4	23
2	3	3	5	58	5	18	4	35
3	3	2	7	24	4	11	4	18
4	6	2	2	117	9	23	11	80
5	6	5	5	613	8	68	9	239
6	6	4	7	365	8	54	9	173
7	8	2	2	192	13	32	15	128
8	8	5	5	923	11	90	13	372
9	8	4	7	513	11	72	13	314
⋮	⋮	⋮	⋮	⋮	⋮	⋮	⋮	⋮
24	20	4	7	1407	33	191	37	842