Task Scheduling for Multiunit Parallel Test Using Mixed-Integer Linear Programming

Table 1

Required resources and expected test times of the 2 UUTs.

UUT	Test task	Required resources				Test time (seconds)
		r1	r2	r3	r4
UUT1	t1	1	1	0	0	30
	t2	0	0	1	0	20
	t3	0	0	0	1	20
UUT2	t4	0	0	1	1	30
	t5	1	0	0	0	20
	t6	0	1	0	0	20