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resultsCGproblem2.txt
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resultsCGproblem2.txt
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COLUMN GENERATION
------------------------------------------------
objective function (virtual machines): 10.000000
used virtual machines:
virtual machine 1 (1) request: 1
virtual machine 2 (1) request: 2
virtual machine 3 (1) request: 3
virtual machine 4 (1) request: 4
virtual machine 5 (1) request: 5
virtual machine 6 (1) request: 6
virtual machine 7 (1) request: 7
virtual machine 8 (1) request: 8
virtual machine 9 (1) request: 9
virtual machine 10 (1) request: 10
Candidate new cluster of requests: 2 3 5 7 8
profit: 5.000000
Added cluster variable
S=11
------------------------------------------------
objective function (virtual machines): 6.000000
used virtual machines:
virtual machine 1 (1) request: 1
virtual machine 4 (1) request: 4
virtual machine 6 (1) request: 6
virtual machine 9 (1) request: 9
virtual machine 10 (1) request: 10
virtual machine 11 (1) request: 2 3 5 7 8
Candidate new cluster of requests: 1 3 4
profit: 3.000000
Added cluster variable
S=12
------------------------------------------------
objective function (virtual machines): 5.000000
used virtual machines:
virtual machine 6 (1) request: 6
virtual machine 9 (1) request: 9
virtual machine 10 (1) request: 10
virtual machine 11 (1) request: 2 3 5 7 8
virtual machine 12 (1) request: 1 3 4
Candidate new cluster of requests: 1 5 10
profit: 3.000000
Added cluster variable
S=13
------------------------------------------------
objective function (virtual machines): 5.000000
used virtual machines:
virtual machine 6 (1) request: 6
virtual machine 9 (1) request: 9
virtual machine 11 (1) request: 2 3 5 7 8
virtual machine 12 (1) request: 1 3 4
virtual machine 13 (1) request: 1 5 10
Candidate new cluster of requests: 2 4 10
profit: 3.000000
Added cluster variable
S=14
------------------------------------------------
objective function (virtual machines): 4.500000
used virtual machines:
virtual machine 6 (1) request: 6
virtual machine 9 (1) request: 9
virtual machine 11 (1) request: 2 3 5 7 8
virtual machine 12 (0.5) request: 1 3 4
virtual machine 13 (0.5) request: 1 5 10
virtual machine 14 (0.5) request: 2 4 10
Candidate new cluster of requests: 6 7 9
profit: 3.000000
Added cluster variable
S=15
------------------------------------------------
objective function (virtual machines): 3.500000
used virtual machines:
virtual machine 11 (1) request: 2 3 5 7 8
virtual machine 12 (0.5) request: 1 3 4
virtual machine 13 (0.5) request: 1 5 10
virtual machine 14 (0.5) request: 2 4 10
virtual machine 15 (1) request: 6 7 9
Candidate new cluster of requests: 1 6 8
profit: 2.500000
Added cluster variable
S=16
------------------------------------------------
objective function (virtual machines): 3.333333
used virtual machines:
virtual machine 9 (0.333333) request: 9
virtual machine 11 (0.666667) request: 2 3 5 7 8
virtual machine 12 (0.333333) request: 1 3 4
virtual machine 13 (0.333333) request: 1 5 10
virtual machine 14 (0.666667) request: 2 4 10
virtual machine 15 (0.666667) request: 6 7 9
virtual machine 16 (0.333333) request: 1 6 8
Candidate new cluster of requests: 3 8 9 10
profit: 2.666667
Added cluster variable
S=17
------------------------------------------------
objective function (virtual machines): 3.166667
used virtual machines:
virtual machine 11 (0.666667) request: 2 3 5 7 8
virtual machine 12 (0.5) request: 1 3 4
virtual machine 13 (0.333333) request: 1 5 10
virtual machine 14 (0.5) request: 2 4 10
virtual machine 15 (0.833333) request: 6 7 9
virtual machine 16 (0.166667) request: 1 6 8
virtual machine 17 (0.166667) request: 3 8 9 10
Candidate new cluster of requests: 4 5 8
profit: 1.833333
Added cluster variable
S=18
------------------------------------------------
objective function (virtual machines): 3.090909
used virtual machines:
virtual machine 11 (0.545455) request: 2 3 5 7 8
virtual machine 12 (0.454545) request: 1 3 4
virtual machine 13 (0.363636) request: 1 5 10
virtual machine 14 (0.454545) request: 2 4 10
virtual machine 15 (0.818182) request: 6 7 9
virtual machine 16 (0.181818) request: 1 6 8
virtual machine 17 (0.181818) request: 3 8 9 10
virtual machine 18 (0.0909091) request: 4 5 8
Candidate new cluster of requests: 1 2 9
profit: 1.727273
Added cluster variable
S=19
------------------------------------------------
objective function (virtual machines): 3.052632
used virtual machines:
virtual machine 11 (0.473684) request: 2 3 5 7 8
virtual machine 12 (0.368421) request: 1 3 4
virtual machine 13 (0.368421) request: 1 5 10
virtual machine 14 (0.473684) request: 2 4 10
virtual machine 15 (0.789474) request: 6 7 9
virtual machine 16 (0.210526) request: 1 6 8
virtual machine 17 (0.157895) request: 3 8 9 10
virtual machine 18 (0.157895) request: 4 5 8
virtual machine 19 (0.0526316) request: 1 2 9
Candidate new cluster of requests: 5 6 9
profit: 1.421053
Added cluster variable
S=20
------------------------------------------------
objective function (virtual machines): 2.983607
used virtual machines:
virtual machine 11 (0.42623) request: 2 3 5 7 8
virtual machine 12 (0.377049) request: 1 3 4
virtual machine 13 (0.295082) request: 1 5 10
virtual machine 14 (0.508197) request: 2 4 10
virtual machine 15 (0.57377) request: 6 7 9
virtual machine 16 (0.262295) request: 1 6 8
virtual machine 17 (0.196721) request: 3 8 9 10
virtual machine 18 (0.114754) request: 4 5 8
virtual machine 19 (0.0655738) request: 1 2 9
virtual machine 20 (0.163934) request: 5 6 9
Candidate new cluster of requests: 1 4 7 8
profit: 1.426230
Added cluster variable
S=21
------------------------------------------------
objective function (virtual machines): 2.935484
used virtual machines:
virtual machine 11 (0.435484) request: 2 3 5 7 8
virtual machine 12 (0.354839) request: 1 3 4
virtual machine 13 (0.258065) request: 1 5 10
virtual machine 14 (0.532258) request: 2 4 10
virtual machine 15 (0.451613) request: 6 7 9
virtual machine 16 (0.241935) request: 1 6 8
virtual machine 17 (0.209677) request: 3 8 9 10
virtual machine 19 (0.0322581) request: 1 2 9
virtual machine 20 (0.306452) request: 5 6 9
virtual machine 21 (0.112903) request: 1 4 7 8
Candidate new cluster of requests: 2 3 6 10
profit: 1.451613
Added cluster variable
S=22
------------------------------------------------
objective function (virtual machines): 2.777778
used virtual machines:
virtual machine 11 (0.277778) request: 2 3 5 7 8
virtual machine 12 (0.0555556) request: 1 3 4
virtual machine 13 (0.111111) request: 1 5 10
virtual machine 14 (0.222222) request: 2 4 10
virtual machine 17 (0.277778) request: 3 8 9 10
virtual machine 19 (0.111111) request: 1 2 9
virtual machine 20 (0.611111) request: 5 6 9
virtual machine 21 (0.722222) request: 1 4 7 8
virtual machine 22 (0.388889) request: 2 3 6 10
Candidate new cluster of requests: 5 7 9 10
profit: 1.333333
Added cluster variable
S=23
------------------------------------------------
objective function (virtual machines): 2.727273
used virtual machines:
virtual machine 11 (0.227273) request: 2 3 5 7 8
virtual machine 12 (0.181818) request: 1 3 4
virtual machine 13 (0.0606061) request: 1 5 10
virtual machine 14 (0.19697) request: 2 4 10
virtual machine 17 (0.151515) request: 3 8 9 10
virtual machine 19 (0.136364) request: 1 2 9
virtual machine 20 (0.560606) request: 5 6 9
virtual machine 21 (0.621212) request: 1 4 7 8
virtual machine 22 (0.439394) request: 2 3 6 10
virtual machine 23 (0.151515) request: 5 7 9 10
Candidate new cluster of requests: 5 8 9 10
profit: 1.181818
Added cluster variable
S=24
------------------------------------------------
objective function (virtual machines): 2.705882
used virtual machines:
virtual machine 11 (0.205882) request: 2 3 5 7 8
virtual machine 12 (0.235294) request: 1 3 4
virtual machine 14 (0.147059) request: 2 4 10
virtual machine 17 (0.0588235) request: 3 8 9 10
virtual machine 19 (0.147059) request: 1 2 9
virtual machine 20 (0.5) request: 5 6 9
virtual machine 21 (0.617647) request: 1 4 7 8
virtual machine 22 (0.5) request: 2 3 6 10
virtual machine 23 (0.176471) request: 5 7 9 10
virtual machine 24 (0.117647) request: 5 8 9 10
Candidate new cluster of requests: 2 3 4 7 8
profit: 1.294118
Added cluster variable
S=25
------------------------------------------------
objective function (virtual machines): 2.666667
used virtual machines:
virtual machine 12 (0.166667) request: 1 3 4
virtual machine 13 (0.166667) request: 1 5 10
virtual machine 14 (8.32667e-17) request: 2 4 10
virtual machine 19 (0.166667) request: 1 2 9
virtual machine 20 (0.5) request: 5 6 9
virtual machine 21 (0.5) request: 1 4 7 8
virtual machine 22 (0.5) request: 2 3 6 10
virtual machine 23 (0.166667) request: 5 7 9 10
virtual machine 24 (0.166667) request: 5 8 9 10
virtual machine 25 (0.333333) request: 2 3 4 7 8
Candidate new cluster of requests: 4 6 10
profit: 1.066667
Added cluster variable
S=26
------------------------------------------------
objective function (virtual machines): 2.666667
used virtual machines:
virtual machine 12 (0.166667) request: 1 3 4
virtual machine 13 (0.166667) request: 1 5 10
virtual machine 19 (0.166667) request: 1 2 9
virtual machine 20 (0.5) request: 5 6 9
virtual machine 21 (0.5) request: 1 4 7 8
virtual machine 22 (0.5) request: 2 3 6 10
virtual machine 23 (0.166667) request: 5 7 9 10
virtual machine 24 (0.166667) request: 5 8 9 10
virtual machine 25 (0.333333) request: 2 3 4 7 8
Candidate new cluster of requests: 4 6 10
profit: 1.000000
Did not add cluster variable
------------------------------------------------
final master objective: 2.666667
final number of columns: 26
Solution is optimal!