Constraint 2 is relaxed
Constraint 3 is not relaxed
Constraint 4 is not relaxed
Constraint 5 is not relaxed
Constraint 6 is not relaxed
The time to read the input and initialise the problem = 4328 ms

Iteration 1
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 125 ms
The lower bound solution is:
z = 4523.000000 + 1757.000000 = 6280.000000
The time to read the lower bound solution = 0 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 90375.058824
The optimal solution has not been found yet.

Iteration 2
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 32 ms
The lower bound solution is:
z = 3244.444705 + 14371.258824 = 17615.703529
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 15 ms
The time to compute the upper bound = 31 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 3
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 3588.258770 + 14740.574847 = 18328.833617
The time to read the lower bound solution = 16 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 23770.970588
The optimal solution has not been found yet.

Iteration 4
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 3881.590000 + 15034.450244 = 18916.040244
The time to read the lower bound solution = 0 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 23770.970588
The optimal solution has not been found yet.

Iteration 5
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 3947.252304 + 15354.875646 = 19302.127950
The time to read the lower bound solution = 16 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 36716.857143
The time to read the upper bound solution = 15 ms
The optimal solution has not been found yet.

Iteration 6
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 3930.154889 + 15649.819260 = 19579.974149
The time to read the lower bound solution = 0 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 36716.857143
The optimal solution has not been found yet.

Iteration 7
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 3906.668101 + 15901.279047 = 19807.947148
The time to read the lower bound solution = 15 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 36716.857143
The optimal solution has not been found yet.

Iteration 8
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 3906.668101 + 16091.504172 = 19998.172273
The time to read the lower bound solution = 0 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 36716.857143
The optimal solution has not been found yet.

Iteration 9
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 3896.009777 + 16272.598491 = 20168.608268
The time to read the lower bound solution = 15 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 36716.857143
The optimal solution has not been found yet.

Iteration 10
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 3896.009777 + 16423.897708 = 20319.907485
The time to read the lower bound solution = 0 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 36716.857143
The optimal solution has not been found yet.

Iteration 11
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 3888.030900 + 16568.842359 = 20456.873259
The time to read the lower bound solution = 0 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 36716.857143
The optimal solution has not been found yet.

Iteration 12
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 3888.030900 + 16688.149863 = 20576.180763
The time to read the lower bound solution = 16 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 36716.857143
The optimal solution has not been found yet.

Iteration 13
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 3888.030900 + 16803.162296 = 20691.193196
The time to read the lower bound solution = 0 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 36716.857143
The optimal solution has not been found yet.

Iteration 14
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 3877.219234 + 16914.034282 = 20791.253516
The time to read the lower bound solution = 0 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 36716.857143
The optimal solution has not been found yet.

Iteration 15
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 3853.998653 + 17028.455408 = 20882.454061
The time to read the lower bound solution = 16 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 36716.857143
The optimal solution has not been found yet.

Iteration 16
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 3747.938449 + 17227.763144 = 20975.701592
The time to read the lower bound solution = 0 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 36716.857143
The optimal solution has not been found yet.

Iteration 17
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 3647.868214 + 17412.250897 = 21060.119112
The time to read the lower bound solution = 0 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 36716.857143
The optimal solution has not been found yet.

Iteration 18
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 3600.615279 + 17545.624826 = 21146.240105
The time to read the lower bound solution = 16 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 36716.857143
The optimal solution has not been found yet.

Iteration 19
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 3367.049926 + 17860.591161 = 21227.641087
The time to read the lower bound solution = 0 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 36716.857143
The optimal solution has not been found yet.

Iteration 20
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 3305.991175 + 17988.774959 = 21294.766134
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 31 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 21
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 3305.143005 + 18048.203866 = 21353.346871
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 31 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 36716.857143
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 22
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 3268.271533 + 18169.689450 = 21437.960983
The time to read the lower bound solution = 0 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 36716.857143
The optimal solution has not been found yet.

Iteration 23
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 3231.003580 + 18276.074688 = 21507.078268
The time to read the lower bound solution = 15 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 36716.857143
The optimal solution has not been found yet.

Iteration 24
The time to create lower bound problem = 32 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 3189.368178 + 18373.422055 = 21562.790234
The time to read the lower bound solution = 15 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 36716.857143
The optimal solution has not been found yet.

Iteration 25
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 3141.817346 + 18480.739619 = 21622.556965
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 31 ms
The time to compute the upper bound = 15 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 26
The time to create lower bound problem = 32 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 3119.257276 + 18535.524196 = 21654.781472
The time to read the lower bound solution = 15 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 36716.857143
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 27
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 3090.004839 + 18638.915150 = 21728.919988
The time to read the lower bound solution = 0 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 36716.857143
The optimal solution has not been found yet.

Iteration 28
The time to create lower bound problem = 32 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 3037.133361 + 18727.744351 = 21764.877712
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 29
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 3019.864203 + 18691.634595 = 21711.498797
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 30
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 2898.593045 + 18884.219667 = 21782.812712
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 31 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 36716.857143
The time to read the upper bound solution = 15 ms
The optimal solution has not been found yet.

Iteration 31
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 2815.557237 + 18994.562429 = 21810.119667
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 31 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 32
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 2884.585697 + 18935.737043 = 21820.322740
The time to read the lower bound solution = 15 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 33
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 2871.885593 + 19011.812300 = 21883.697893
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 31 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 36716.857143
The time to read the upper bound solution = 15 ms
The optimal solution has not been found yet.

Iteration 34
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 2839.919700 + 19102.401390 = 21942.321089
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 31 ms
The time to compute the upper bound = 31 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 35
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 2834.581149 + 19161.649627 = 21996.230776
The time to read the lower bound solution = 16 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 15 ms
The upper bound solution is:
z = 36716.857143
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 36
The time to create lower bound problem = 32 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 2792.486019 + 19246.837138 = 22039.323157
The time to read the lower bound solution = 15 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 15 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 37
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 2768.501928 + 19316.103073 = 22084.605001
The time to read the lower bound solution = 15 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 38
The time to create lower bound problem = 32 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 2766.445659 + 19346.457654 = 22112.903313
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 31 ms
The time to compute the upper bound = 15 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 39
The time to create lower bound problem = 32 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 2745.166934 + 19356.406058 = 22101.572992
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 40
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 2742.636838 + 19408.358830 = 22150.995668
The time to read the lower bound solution = 0 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 41
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 2670.099635 + 19471.537851 = 22141.637486
The time to read the lower bound solution = 16 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 15 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 42
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 2664.051551 + 19495.837468 = 22159.889019
The time to read the lower bound solution = 16 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 31 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 15 ms
The optimal solution has not been found yet.

Iteration 43
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 2676.936510 + 19491.004170 = 22167.940680
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 15 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 44
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 2643.847614 + 19531.881454 = 22175.729069
The time to read the lower bound solution = 16 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 15 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 45
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 2645.025058 + 19571.124395 = 22216.149453
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 15 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 46
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 31 ms
The lower bound solution is:
z = 2609.644936 + 19592.891891 = 22202.536827
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 15 ms
The optimal solution has not been found yet.

Iteration 47
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 2605.989371 + 19641.402315 = 22247.391686
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 48
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 31 ms
The lower bound solution is:
z = 2572.357358 + 19641.402315 = 22213.759673
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 15 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 49
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 2591.031379 + 19655.114493 = 22246.145871
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 31 ms
The time to compute the upper bound = 31 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 50
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 2557.799710 + 19692.986311 = 22250.786021
The time to read the lower bound solution = 16 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 15 ms
The optimal solution has not been found yet.

Iteration 51
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 2548.796884 + 19743.152395 = 22291.949278
The time to read the lower bound solution = 15 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 52
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 2518.929352 + 19787.523034 = 22306.452387
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 31 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 53
The time to create lower bound problem = 32 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 2488.832263 + 19819.476161 = 22308.308424
The time to read the lower bound solution = 15 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 15 ms
The optimal solution has not been found yet.

Iteration 54
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 2474.619127 + 19867.744006 = 22342.363133
The time to read the lower bound solution = 0 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 55
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 2452.218228 + 19902.030585 = 22354.248813
The time to read the lower bound solution = 16 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 15 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 56
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 2420.057105 + 19923.281405 = 22343.338510
The time to read the lower bound solution = 16 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 15 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 57
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 2408.800139 + 19965.783058 = 22374.583198
The time to read the lower bound solution = 16 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 58
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 2377.895893 + 20013.958412 = 22391.854306
The time to read the lower bound solution = 16 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 59
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 2340.021789 + 20068.571393 = 22408.593182
The time to read the lower bound solution = 0 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 60
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 2320.467172 + 20101.268451 = 22421.735623
The time to read the lower bound solution = 0 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 61
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 2264.463344 + 20163.333289 = 22427.796634
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 15 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 62
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 2251.074292 + 20182.473514 = 22433.547805
The time to read the lower bound solution = 15 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 15 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 63
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 2124.408749 + 20286.792491 = 22411.201240
The time to read the lower bound solution = 15 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 64
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 2074.823234 + 20375.062395 = 22449.885629
The time to read the lower bound solution = 15 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 65
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1929.949365 + 20478.107021 = 22408.056386
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 31 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 66
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1949.542671 + 20509.813084 = 22459.355756
The time to read the lower bound solution = 0 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 23770.970588
The optimal solution has not been found yet.

Iteration 67
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1889.773384 + 20580.640340 = 22470.413724
The time to read the lower bound solution = 0 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 23770.970588
The optimal solution has not been found yet.

Iteration 68
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 31 ms
The lower bound solution is:
z = 1907.935325 + 20589.419098 = 22497.354423
The time to read the lower bound solution = 16 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 15 ms
The optimal solution has not been found yet.

Iteration 69
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1879.308724 + 20630.493215 = 22509.801939
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 125 ms
The time to compute the upper bound = 31 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 15 ms
The optimal solution has not been found yet.

Iteration 70
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1903.976765 + 20630.493215 = 22534.469981
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 15 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 71
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1891.704158 + 20670.370356 = 22562.074514
The time to read the lower bound solution = 16 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 72
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1791.498167 + 20764.664315 = 22556.162482
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 31 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 73
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1806.854934 + 20761.555720 = 22568.410654
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 15 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 74
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1784.377230 + 20809.658117 = 22594.035347
The time to read the lower bound solution = 32 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 75
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1768.273596 + 20834.878152 = 22603.151748
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 76
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1780.905322 + 20818.061564 = 22598.966887
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 15 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 77
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1789.841749 + 20826.469868 = 22616.311617
The time to read the lower bound solution = 15 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 78
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1780.507286 + 20850.024907 = 22630.532193
The time to read the lower bound solution = 0 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 79
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 1761.807884 + 20879.106102 = 22640.913985
The time to read the lower bound solution = 0 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 80
The time to create lower bound problem = 32 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 1742.154822 + 20900.415740 = 22642.570562
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 15 ms
The optimal solution has not been found yet.

Iteration 81
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 1747.287754 + 20889.131740 = 22636.419494
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 15 ms
The optimal solution has not been found yet.

Iteration 82
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1739.500204 + 20911.135552 = 22650.635756
The time to read the lower bound solution = 0 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 83
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1737.008146 + 20921.218566 = 22658.226712
The time to read the lower bound solution = 0 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 84
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1726.056471 + 20939.578840 = 22665.635311
The time to read the lower bound solution = 16 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 85
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1721.989979 + 20949.526857 = 22671.516836
The time to read the lower bound solution = 0 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 86
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1696.055804 + 20969.317025 = 22665.372829
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 31 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 87
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1716.161389 + 20949.526857 = 22665.688246
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 31 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 88
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1713.148125 + 20959.421941 = 22672.570066
The time to read the lower bound solution = 0 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 89
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1711.794539 + 20969.966588 = 22681.761127
The time to read the lower bound solution = 16 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 90
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1705.018356 + 20983.690634 = 22688.708990
The time to read the lower bound solution = 16 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 91
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1701.035867 + 20993.430989 = 22694.466856
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 31 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 92
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1713.808914 + 20964.365426 = 22678.174340
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 15 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 93
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1711.412334 + 20974.053960 = 22685.466294
The time to read the lower bound solution = 0 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 94
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1697.364407 + 20995.045794 = 22692.410201
The time to read the lower bound solution = 16 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 95
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1694.520439 + 21005.195686 = 22699.716125
The time to read the lower bound solution = 16 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 96
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1679.185529 + 21024.478276 = 22703.663806
The time to read the lower bound solution = 16 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 15 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 97
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1666.720538 + 21040.487907 = 22707.208445
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 31 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 98
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1664.537983 + 21050.061766 = 22714.599749
The time to read the lower bound solution = 0 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 99
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1645.462483 + 21072.245554 = 22717.708037
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 31 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 100
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 1665.050077 + 21055.393353 = 22720.443431
The time to read the lower bound solution = 16 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 15 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 101
The time to create lower bound problem = 32 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1661.083375 + 21066.108728 = 22727.192103
The time to read the lower bound solution = 15 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 102
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1643.923461 + 21083.852963 = 22727.776423
The time to read the lower bound solution = 16 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 15 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 103
The time to create lower bound problem = 32 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 1658.247032 + 21073.212384 = 22731.459416
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 31 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 104
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 1635.254558 + 21098.160652 = 22733.415210
The time to read the lower bound solution = 16 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 31 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 15 ms
The optimal solution has not been found yet.

Iteration 105
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1652.023521 + 21085.709987 = 22737.733509
The time to read the lower bound solution = 31 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 15 ms
The optimal solution has not been found yet.

Iteration 106
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 1621.446369 + 21113.607351 = 22735.053720
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 32 ms
The time to compute the upper bound = 15 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 107
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 1642.580784 + 21100.691889 = 22743.272672
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 31 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 108
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 1591.979717 + 21134.605920 = 22726.585637
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 15 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 109
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 1632.475621 + 21108.399612 = 22740.875233
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 32 ms
The time to compute the upper bound = 15 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 110
The time to create lower bound problem = 32 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1627.278776 + 21118.162742 = 22745.441517
The time to read the lower bound solution = 15 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 15 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 111
The time to create lower bound problem = 32 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1643.811980 + 21105.416880 = 22749.228861
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 112
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 1641.060180 + 21115.634298 = 22756.694478
The time to read the lower bound solution = 0 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 113
The time to create lower bound problem = 32 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1637.613112 + 21125.269920 = 22762.883032
The time to read the lower bound solution = 15 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 114
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1651.514442 + 21112.740832 = 22764.255274
The time to read the lower bound solution = 15 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 115
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1647.451415 + 21121.801270 = 22769.252684
The time to read the lower bound solution = 0 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 116
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1643.091072 + 21131.317589 = 22774.408661
The time to read the lower bound solution = 15 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 117
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1636.431050 + 21140.286647 = 22776.717697
The time to read the lower bound solution = 15 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 32 ms
The time to compute the upper bound = 15 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 118
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1650.525214 + 21127.858486 = 22778.383700
The time to read the lower bound solution = 16 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 15 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 119
The time to create lower bound problem = 32 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1608.754493 + 21160.613853 = 22769.368346
The time to read the lower bound solution = 15 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 15 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 120
The time to create lower bound problem = 32 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1638.659126 + 21145.228757 = 22783.887883
The time to read the lower bound solution = 15 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 121
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1601.728439 + 21168.918742 = 22770.647181
The time to read the lower bound solution = 15 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 122
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1628.010898 + 21155.889252 = 22783.900150
The time to read the lower bound solution = 0 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 23770.970588
The optimal solution has not been found yet.

Iteration 123
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 31 ms
The lower bound solution is:
z = 1615.122016 + 21164.772907 = 22779.894923
The time to read the lower bound solution = 0 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 23770.970588
The optimal solution has not been found yet.

Iteration 124
The time to create lower bound problem = 32 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1638.087222 + 21152.928061 = 22791.015283
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 31 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 125
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1616.301667 + 21172.037200 = 22788.338867
The time to read the lower bound solution = 15 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 126
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1640.246954 + 21160.277737 = 22800.524690
The time to read the lower bound solution = 16 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 15 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 127
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1613.867341 + 21180.657100 = 22794.524442
The time to read the lower bound solution = 16 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 15 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 128
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1612.041334 + 21189.391134 = 22801.432468
The time to read the lower bound solution = 0 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 23770.970588
The optimal solution has not been found yet.

Iteration 129
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 32 ms
The lower bound solution is:
z = 1637.066510 + 21169.030833 = 22806.097344
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 31 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 130
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1623.620446 + 21187.845872 = 22811.466318
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 31 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 131
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 32 ms
The lower bound solution is:
z = 1634.522150 + 21180.649590 = 22815.171740
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 31 ms
The time to compute the upper bound = 15 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 132
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1614.235972 + 21200.721365 = 22814.957338
The time to read the lower bound solution = 15 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 133
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1639.565292 + 21182.561187 = 22822.126479
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 31 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 134
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1637.028530 + 21191.100784 = 22828.129315
The time to read the lower bound solution = 16 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 135
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 1614.155692 + 21210.900451 = 22825.056143
The time to read the lower bound solution = 16 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 15 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 136
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1622.537729 + 21210.900417 = 22833.438146
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 15 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 137
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1590.036000 + 21236.213759 = 22826.249759
The time to read the lower bound solution = 16 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 15 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 138
The time to create lower bound problem = 32 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 1586.613593 + 21239.026357 = 22825.639950
The time to read the lower bound solution = 0 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 23770.970588
The optimal solution has not been found yet.

Iteration 139
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1614.678159 + 21224.494604 = 22839.172763
The time to read the lower bound solution = 16 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 15 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 140
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1565.324999 + 21255.243933 = 22820.568931
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 31 ms
The time to compute the upper bound = 109 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 141
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1594.012963 + 21240.801067 = 22834.814030
The time to read the lower bound solution = 16 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 23770.970588
The optimal solution has not been found yet.

Iteration 142
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1614.810085 + 21228.920645 = 22843.730729
The time to read the lower bound solution = 31 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 15 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 143
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 1587.792432 + 21251.174401 = 22838.966833
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 144
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1614.066772 + 21237.265803 = 22851.332575
The time to read the lower bound solution = 15 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 32 ms
The time to compute the upper bound = 15 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 145
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1609.217776 + 21246.002364 = 22855.220140
The time to read the lower bound solution = 15 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 15 ms
The optimal solution has not been found yet.

Iteration 146
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1624.988422 + 21232.266107 = 22857.254529
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 31 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 15 ms
The optimal solution has not been found yet.

Iteration 147
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 1620.876061 + 21240.946409 = 22861.822470
The time to read the lower bound solution = 16 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 148
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 1617.848215 + 21249.128742 = 22866.976957
The time to read the lower bound solution = 0 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 149
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1613.209921 + 21257.264685 = 22870.474606
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 15 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 150
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1629.277774 + 21234.302028 = 22863.579802
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 15 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 151
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 31 ms
The lower bound solution is:
z = 1613.684952 + 21255.913931 = 22869.598884
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 15 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 152
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1630.004921 + 21226.197545 = 22856.202466
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 15 ms
The optimal solution has not been found yet.

Iteration 153
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 1627.749538 + 21234.302009 = 22862.051547
The time to read the lower bound solution = 0 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 154
The time to create lower bound problem = 32 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 1625.528071 + 21242.856720 = 22868.384791
The time to read the lower bound solution = 0 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 155
The time to create lower bound problem = 32 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 1622.358433 + 21251.861680 = 22874.220113
The time to read the lower bound solution = 0 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 156
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 31 ms
The lower bound solution is:
z = 1603.507101 + 21276.073911 = 22879.581012
The time to read the lower bound solution = 31 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 157
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1621.895972 + 21243.983867 = 22865.879840
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 15 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 158
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1635.247782 + 21222.590488 = 22857.838270
The time to read the lower bound solution = 16 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 15 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 159
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1664.916990 + 21195.848782 = 22860.765772
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 15 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 160
The time to create lower bound problem = 32 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 1684.330994 + 21166.433151 = 22850.764144
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 15 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 161
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 1716.670697 + 21142.365613 = 22859.036310
The time to read the lower bound solution = 0 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 23770.970588
The optimal solution has not been found yet.

Iteration 162
The time to create lower bound problem = 32 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 1727.911533 + 21140.694258 = 22868.605791
The time to read the lower bound solution = 0 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 23770.970588
The optimal solution has not been found yet.

Iteration 163
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 1733.184708 + 21140.359987 = 22873.544694
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 32 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 15 ms
The optimal solution has not been found yet.

Iteration 164
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1723.251305 + 21151.056662 = 22874.307966
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 31 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 15 ms
The optimal solution has not been found yet.

Iteration 165
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1728.307959 + 21150.865650 = 22879.173608
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 31 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 166
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1710.298453 + 21165.573578 = 22875.872031
The time to read the lower bound solution = 15 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 167
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 31 ms
The lower bound solution is:
z = 1709.904544 + 21174.933177 = 22884.837722
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 31 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 168
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 1686.338524 + 21189.554370 = 22875.892894
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 32 ms
The time to compute the upper bound = 15 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 169
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1698.757673 + 21187.892871 = 22886.650544
The time to read the lower bound solution = 16 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 23770.970588
The optimal solution has not been found yet.

Iteration 170
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 1703.461728 + 21186.234771 = 22889.696498
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 32 ms
The time to compute the upper bound = 15 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 171
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1696.028871 + 21196.810060 = 22892.838931
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 15 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 172
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1698.817983 + 21196.621889 = 22895.439872
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 15 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 173
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1683.563801 + 21211.068145 = 22894.631947
The time to read the lower bound solution = 16 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 15 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 174
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1690.073420 + 21210.805486 = 22900.878906
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 31 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 175
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1676.209476 + 21222.551708 = 22898.761184
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 15 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 176
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1682.581537 + 21222.365259 = 22904.946796
The time to read the lower bound solution = 16 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 15 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 177
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 31 ms
The lower bound solution is:
z = 1662.341557 + 21236.654652 = 22898.996209
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 15 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 178
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 1671.906997 + 21236.329893 = 22908.236890
The time to read the lower bound solution = 0 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 23770.970588
The optimal solution has not been found yet.

Iteration 179
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1673.490211 + 21236.006368 = 22909.496578
The time to read the lower bound solution = 16 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 15 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 180
The time to create lower bound problem = 32 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1667.459767 + 21246.344056 = 22913.803823
The time to read the lower bound solution = 15 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 15 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 181
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1659.806386 + 21255.344316 = 22915.150703
The time to read the lower bound solution = 15 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 182
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1637.719801 + 21269.465344 = 22907.185145
The time to read the lower bound solution = 15 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 183
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1650.220238 + 21267.924868 = 22918.145106
The time to read the lower bound solution = 16 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 23770.970588
The optimal solution has not been found yet.

Iteration 184
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1653.509097 + 21266.645630 = 22920.154726
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 15 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 185
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1643.413919 + 21278.131628 = 22921.545547
The time to read the lower bound solution = 16 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 15 ms
The optimal solution has not been found yet.

Iteration 186
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 1648.729812 + 21275.264819 = 22923.994630
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 31 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 187
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 1632.505361 + 21289.239922 = 22921.745284
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 15 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 188
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 1641.196650 + 21286.381378 = 22927.578029
The time to read the lower bound solution = 16 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 15 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 189
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1629.462513 + 21296.502089 = 22925.964602
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 15 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 190
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 31 ms
The lower bound solution is:
z = 1630.847586 + 21300.297355 = 22931.144941
The time to read the lower bound solution = 0 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 23770.970588
The optimal solution has not been found yet.

Iteration 191
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 1637.822798 + 21296.308184 = 22934.130982
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 192
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 32 ms
The lower bound solution is:
z = 1625.701696 + 21308.860787 = 22934.562483
The time to read the lower bound solution = 15 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 15 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 193
The time to create lower bound problem = 32 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 1634.789417 + 21303.591415 = 22938.380832
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 31 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 194
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1634.280671 + 21307.338069 = 22941.618740
The time to read the lower bound solution = 16 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 195
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 1632.710867 + 21311.484828 = 22944.195695
The time to read the lower bound solution = 0 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 196
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 31 ms
The lower bound solution is:
z = 1615.460742 + 21322.646274 = 22938.107016
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 15 ms
The optimal solution has not been found yet.

Iteration 197
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1632.173779 + 21312.724976 = 22944.898755
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 15 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 198
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1631.376684 + 21316.937941 = 22948.314625
The time to read the lower bound solution = 0 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 199
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1628.887426 + 21320.639893 = 22949.527319
The time to read the lower bound solution = 16 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 15 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 200
The time to create lower bound problem = 32 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1635.702250 + 21315.711234 = 22951.413484
The time to read the lower bound solution = 15 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 15 ms
The optimal solution has not been found yet.

Iteration 201
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1634.720877 + 21319.809019 = 22954.529896
The time to read the lower bound solution = 0 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 202
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1629.382264 + 21326.340548 = 22955.722812
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 31 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 203
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1636.184440 + 21318.188070 = 22954.372510
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 15 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 204
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 1635.228644 + 21321.856685 = 22957.085329
The time to read the lower bound solution = 16 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 205
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1634.239435 + 21325.519168 = 22959.758604
The time to read the lower bound solution = 16 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 206
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 1632.382572 + 21329.899713 = 22962.282285
The time to read the lower bound solution = 0 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 207
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1631.440454 + 21333.538810 = 22964.979265
The time to read the lower bound solution = 0 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 208
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 47 ms
The lower bound solution is:
z = 1615.640065 + 21343.210706 = 22958.850772
The time to read the lower bound solution = 16 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 15 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 209
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1628.790809 + 21335.150793 = 22963.941602
The time to read the lower bound solution = 15 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 15 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 210
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 1628.211908 + 21338.777754 = 22966.989662
The time to read the lower bound solution = 0 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 211
The time to create lower bound problem = 32 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1625.910130 + 21342.395668 = 22968.305798
The time to read the lower bound solution = 15 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 15 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 212
The time to create lower bound problem = 32 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 1632.702041 + 21333.365685 = 22966.067726
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 32 ms
The time to compute the upper bound = 15 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 213
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1621.714797 + 21346.609654 = 22968.324451
The time to read the lower bound solution = 16 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 15 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 214
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 1628.834516 + 21333.365984 = 22962.200500
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 31 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 215
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1628.337974 + 21337.178553 = 22965.516527
The time to read the lower bound solution = 0 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 216
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1616.300268 + 21349.218254 = 22965.518521
The time to read the lower bound solution = 15 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 217
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1625.089311 + 21341.994439 = 22967.083750
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 15 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 15 ms
The optimal solution has not been found yet.

Iteration 218
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1624.607723 + 21346.087933 = 22970.695657
The time to read the lower bound solution = 15 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 219
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1623.542459 + 21350.169335 = 22973.711793
The time to read the lower bound solution = 16 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 220
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1622.608000 + 21353.996178 = 22976.604178
The time to read the lower bound solution = 15 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 221
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1621.366144 + 21357.570826 = 22978.936970
The time to read the lower bound solution = 16 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 222
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1618.590374 + 21361.530994 = 22980.121369
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 31 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 223
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1622.974407 + 21357.497664 = 22980.472071
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 31 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 224
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1608.461636 + 21370.540890 = 22979.002526
The time to read the lower bound solution = 15 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 225
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1619.117325 + 21364.612151 = 22983.729476
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 31 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 226
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1614.030956 + 21370.122839 = 22984.153795
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 31 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 227
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 1621.879925 + 21364.221713 = 22986.101638
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 31 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 228
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 1618.556819 + 21370.500667 = 22989.057486
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 32 ms
The time to compute the upper bound = 15 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 229
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1620.660318 + 21368.741362 = 22989.401681
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 15 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 230
The time to create lower bound problem = 32 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 1615.828293 + 21375.189306 = 22991.017599
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 15 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 231
The time to create lower bound problem = 32 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1623.502153 + 21368.871687 = 22992.373840
The time to read the lower bound solution = 15 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 232
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1622.476491 + 21372.570022 = 22995.046512
The time to read the lower bound solution = 15 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 233
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1607.920374 + 21383.044983 = 22990.965357
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 31 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 234
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1618.585464 + 21378.622218 = 22997.207682
The time to read the lower bound solution = 15 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 235
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1615.932003 + 21382.297592 = 22998.229595
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 15 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 236
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1621.681537 + 21376.502034 = 22998.183572
The time to read the lower bound solution = 16 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 15 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 237
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 1618.386056 + 21382.683965 = 23001.070021
The time to read the lower bound solution = 16 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 238
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1597.467397 + 21395.387324 = 22992.854721
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 31 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 239
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 1610.820129 + 21388.920160 = 22999.740289
The time to read the lower bound solution = 16 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 23770.970588
The optimal solution has not been found yet.

Iteration 240
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1619.174425 + 21383.145905 = 23002.320330
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 15 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 241
The time to create lower bound problem = 32 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1608.536683 + 21392.369708 = 23000.906391
The time to read the lower bound solution = 15 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 31 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 242
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 1615.071149 + 21389.487270 = 23004.558419
The time to read the lower bound solution = 0 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 23770.970588
The optimal solution has not been found yet.

Iteration 243
The time to create lower bound problem = 32 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1618.596435 + 21384.601390 = 23003.197825
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 15 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 244
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1614.106983 + 21390.349486 = 23004.456468
The time to read the lower bound solution = 16 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 15 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 245
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1617.487983 + 21387.393324 = 23004.881307
The time to read the lower bound solution = 16 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 31 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 246
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1610.282659 + 21393.713561 = 23003.996220
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 31 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 15 ms
The optimal solution has not been found yet.

Iteration 247
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1615.820895 + 21390.697084 = 23006.517980
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 15 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 248
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1610.248945 + 21395.283800 = 23005.532745
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 31 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 249
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1616.552678 + 21392.302435 = 23008.855113
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 31 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 250
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1609.495876 + 21397.446707 = 23006.942583
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 31 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 251
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1612.370444 + 21398.018287 = 23010.388731
The time to read the lower bound solution = 15 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 23770.970588
The optimal solution has not been found yet.

Iteration 252
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1617.278627 + 21394.500596 = 23011.779223
The time to read the lower bound solution = 31 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 15 ms
The optimal solution has not been found yet.

Iteration 253
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 1616.733499 + 21396.303675 = 23013.037175
The time to read the lower bound solution = 0 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 254
The time to create lower bound problem = 32 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 1611.558904 + 21400.851276 = 23012.410180
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 255
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 1616.668629 + 21395.735225 = 23012.403854
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 32 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 15 ms
The optimal solution has not been found yet.

Iteration 256
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1616.193311 + 21397.440575 = 23013.633886
The time to read the lower bound solution = 0 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 257
The time to create lower bound problem = 109 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1615.665810 + 21399.371784 = 23015.037594
The time to read the lower bound solution = 0 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 258
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1615.090503 + 21401.072633 = 23016.163136
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 15 ms
The time to compute the upper bound = 32 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 259
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1618.632582 + 21396.260733 = 23014.893316
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 31 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 260
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1613.444494 + 21402.487895 = 23015.932389
The time to read the lower bound solution = 16 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 15 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 261
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1617.384669 + 21395.694624 = 23013.079293
The time to read the lower bound solution = 31 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 32 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 15 ms
The optimal solution has not been found yet.

Iteration 262
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1617.175754 + 21397.487292 = 23014.663046
The time to read the lower bound solution = 0 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 263
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1612.870673 + 21403.148351 = 23016.019024
The time to read the lower bound solution = 0 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 264
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1611.903670 + 21404.846668 = 23016.750338
The time to read the lower bound solution = 16 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 15 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 265
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1615.493505 + 21401.876926 = 23017.370430
The time to read the lower bound solution = 16 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 15 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 266
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1610.468117 + 21406.963720 = 23017.431837
The time to read the lower bound solution = 16 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 267
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 1614.928248 + 21403.996661 = 23018.924909
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 31 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 268
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1610.265852 + 21408.508935 = 23018.774787
The time to read the lower bound solution = 15 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 15 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 269
The time to create lower bound problem = 32 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1615.219574 + 21405.608188 = 23020.827761
The time to read the lower bound solution = 15 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 270
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1614.651645 + 21407.483545 = 23022.135190
The time to read the lower bound solution = 0 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 271
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1608.002651 + 21411.976557 = 23019.979209
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 15 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 272
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1614.684028 + 21407.202730 = 23021.886758
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 15 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 273
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1606.432342 + 21413.380622 = 23019.812964
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 31 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 274
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1613.265468 + 21410.478885 = 23023.744352
The time to read the lower bound solution = 16 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 23770.970588
The optimal solution has not been found yet.

Iteration 275
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1616.842132 + 21407.583383 = 23024.425515
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 15 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 276
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 1616.501297 + 21409.356427 = 23025.857724
The time to read the lower bound solution = 0 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 277
The time to create lower bound problem = 32 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 1607.688117 + 21415.503609 = 23023.191726
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 32 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 15 ms
The optimal solution has not been found yet.

Iteration 278
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 1613.882226 + 21412.709435 = 23026.591661
The time to read the lower bound solution = 0 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 23770.970588
The optimal solution has not been found yet.

Iteration 279
The time to create lower bound problem = 32 ms
The time to compute the lower bound = 31 ms
The lower bound solution is:
z = 1617.271632 + 21409.824967 = 23027.096599
The time to read the lower bound solution = 16 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 31 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 15 ms
The optimal solution has not been found yet.

Iteration 280
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1612.910682 + 21414.288211 = 23027.198893
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 281
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1616.321344 + 21411.499067 = 23027.820412
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 15 ms
The optimal solution has not been found yet.

Iteration 282
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1611.801546 + 21415.957968 = 23027.759514
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 15 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 283
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1615.788680 + 21413.171155 = 23028.959835
The time to read the lower bound solution = 16 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 15 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 284
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1609.686056 + 21418.179721 = 23027.865777
The time to read the lower bound solution = 15 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 285
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1615.199297 + 21415.304429 = 23030.503727
The time to read the lower bound solution = 16 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 15 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 286
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1614.319942 + 21417.063038 = 23031.382980
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 31 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 287
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 1617.913359 + 21414.197136 = 23032.110496
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 31 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 288
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 1611.676249 + 21419.738591 = 23031.414840
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 32 ms
The time to compute the upper bound = 15 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 289
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 1616.737998 + 21415.028356 = 23031.766354
The time to read the lower bound solution = 16 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 15 ms
The optimal solution has not been found yet.

Iteration 290
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1613.135628 + 21419.461516 = 23032.597144
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 15 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 291
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1617.323735 + 21414.477496 = 23031.801231
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 15 ms
The time to compute the upper bound = 32 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 292
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 31 ms
The lower bound solution is:
z = 1617.001532 + 21416.360348 = 23033.361880
The time to read the lower bound solution = 16 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 293
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1616.549016 + 21418.019967 = 23034.568983
The time to read the lower bound solution = 15 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 294
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1615.795382 + 21419.897791 = 23035.693173
The time to read the lower bound solution = 15 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 295
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 1615.676852 + 21421.552165 = 23037.229017
The time to read the lower bound solution = 0 ms
This set of open plants and depots has been found before.
The time for checking, creating and reading the upper bound problem = 0 ms
The upper bound solution is:
z = 30680.200000
The optimal solution has not been found yet.

Iteration 296
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1614.055615 + 21423.203084 = 23037.258698
The time to read the lower bound solution = 15 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 297
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1617.872217 + 21418.525668 = 23036.397886
The time to read the lower bound solution = 15 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 298
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 1612.149680 + 21424.578792 = 23036.728472
The time to read the lower bound solution = 16 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 15 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 299
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 1616.256095 + 21421.748760 = 23038.004855
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 16 ms
The time to compute the upper bound = 15 ms
The upper bound solution is:
z = 30680.200000
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 300
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = 1610.206967 + 21426.696272 = 23036.903239
The time to read the lower bound solution = 0 ms
The time to check if computing the upper bound is needed = 0 ms
The time to create the upper bound problem = 31 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 23770.970588
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.
The iteration limit has been reached

TIMINGS:

Total run time for the heuristic = 526250 ms
The total time to calculate the lower bounds with CPLEX = 3725 ms
The total time to calculate the upper bounds with CPLEX = 2512 ms
The total time to create the lower bound problems = 6889 ms
The total time to read the lower bound solutions = 2008 ms
The total time to check if computing the upper bounds are needed = 0 ms
The total time to create the upper bound problems = 4225 ms
The total time to read the upper bound solutions = 1282 ms 

The best upper bound found = 23770.970588, the best lower bound found = 23038.004855
Therefore the duality gap is 3.181550%
