Constraint 2 is relaxed
Constraint 3 is relaxed
Constraint 4 is relaxed
Constraint 5 is not relaxed
Constraint 6 is not relaxed
The time to read the input and initialise the problem = 4735 ms

Iteration 1
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 141 ms
The lower bound solution is:
z = -287546.000000 + 2085.000000 = -285461.000000
The time to read the lower bound solution = 16 ms
The time to compute the upper bound = 16 ms
The upper bound solution is:
z = 71894.666667
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 = 0 ms
The lower bound solution is:
z = 103.680000 + 6373.268000 = 6476.948000
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 = 104832.125000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 3
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = 4396.743120 + 7354.533780 = 11751.276900
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 = 89324.500000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 4
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = 5012.000000 + 8256.684627 = 13268.684627
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 = 100579.416670
The time to read the upper bound solution = 16 ms
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 = 4853.817806 + 9136.074357 = 13989.892163
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 = 127376.416670
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 6
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -7734.366017 + 10004.645975 = 2270.279958
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 = 110298.705130
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 7
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 32 ms
The lower bound solution is:
z = -29736.658248 + 10873.217592 = -18863.440656
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 = 46707.388889
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 8
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -26582.960080 + 11363.980043 = -15218.980037
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 = 45866.666667
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 9
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -59919.498529 + 11823.005596 = -48096.492933
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 = 43752.975000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 10
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -57161.939898 + 12108.731191 = -45053.208707
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 = 59920.743590
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 11
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -55699.389879 + 12555.177434 = -43144.212445
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 = 43752.975000
The time to read the upper bound solution = 16 ms
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 = -50277.252845 + 13001.623676 = -37275.629169
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 = 59920.743590
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 13
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -49143.759581 + 13448.069919 = -35695.689662
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 = 47 ms
The upper bound solution is:
z = 43752.975000
The time to read the upper bound solution = 0 ms
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 = -43706.464745 + 13894.516161 = -29811.948584
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 = 39265.750000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 15
The time to create lower bound problem = 32 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = -51118.730015 + 14076.502338 = -37042.227677
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 = 43752.975000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 16
The time to create lower bound problem = 32 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = -47446.859235 + 14455.640205 = -32991.219030
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 = 36449.291667
The time to read the upper bound solution = 15 ms
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 = 0 ms
The lower bound solution is:
z = -46600.665505 + 14792.531198 = -31808.134307
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 = 37914.500000
The time to read the upper bound solution = 15 ms
The optimal solution has not been found yet.

Iteration 18
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -40198.102986 + 14940.763235 = -25257.339751
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 = 37914.500000
The optimal solution has not been found yet.

Iteration 19
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -35037.826171 + 15183.324749 = -19854.501422
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 = 155712.923080
The time to read the upper bound solution = 0 ms
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 = -31466.612049 + 15520.215742 = -15946.396307
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 = 43752.975000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 21
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -27448.510346 + 15857.106734 = -11591.403612
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 = 39265.750000
The time to read the upper bound solution = 0 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 = -22742.760170 + 16113.143889 = -6629.616281
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 = 46134.291667
The time to read the upper bound solution = 16 ms
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 = -28002.732648 + 16450.034881 = -11552.697767
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 = 44739.975000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 24
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -25710.324510 + 16638.693837 = -9071.630673
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 = 65908.478788
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 25
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -19539.629025 + 16881.255352 = -2658.373673
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 = 34600.696429
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 = 47 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -18102.806369 + 17103.852038 = -998.954331
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 = 46477.769231
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 = 32 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = -14037.437959 + 17128.585003 = 3091.147044
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 = 40251.303030
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 28
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = -13436.313711 + 17116.218520 = 3679.904809
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 = 53319.714286
The time to read the upper bound solution = 15 ms
The optimal solution has not been found yet.

Iteration 29
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -12889.191712 + 17413.014102 = 4523.822390
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 = 43752.975000
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 = 32 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = -9241.607486 + 17635.610788 = 8394.003302
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 = 36701.500000
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 = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -6623.884286 + 17549.045410 = 10925.161124
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 = 63854.000000
The time to read the upper bound solution = 15 ms
The optimal solution has not been found yet.

Iteration 32
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -15987.586314 + 17858.207474 = 1870.621160
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 = 71626.500000
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 = 32 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = -13064.609169 + 18167.369538 = 5102.760369
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 = 53319.714286
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 = 15 ms
The lower bound solution is:
z = -13149.803352 + 18476.531602 = 5326.728250
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 = 71626.500000
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 = 16 ms
The lower bound solution is:
z = -8086.083799 + 18785.693666 = 10699.609867
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 = 53319.714286
The time to read the upper bound solution = 15 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 = -10271.570505 + 19082.489247 = 8810.918742
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 = 101445.500000
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 37
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -6102.828456 + 19391.651311 = 13288.822855
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 = 44245.047619
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 38
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -6023.704768 + 19243.253521 = 13219.548753
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 = 45866.666667
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 = 16 ms
The time to compute the lower bound = 47 ms
The lower bound solution is:
z = -15367.135165 + 19478.216689 = 4111.081524
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 = 42514.555556
The time to read the upper bound solution = 16 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 = -13111.606036 + 19502.949654 = 6391.343618
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 = 43208.888889
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 41
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = -7303.741304 + 19342.185381 = 12038.444077
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 = 50955.538462
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 = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -9066.828243 + 19638.980963 = 10572.152720
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 = 46707.388889
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 43
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -4748.169897 + 19688.446893 = 14940.276996
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 = 70634.047619
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 44
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -7822.546065 + 19959.760681 = 12137.214616
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 = 46707.388889
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 = -6543.225346 + 20030.538191 = 13487.312845
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 = 90615.705128
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 = 15 ms
The lower bound solution is:
z = -12460.424700 + 20325.444482 = 7865.019782
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 = 42280.555556
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 47
The time to create lower bound problem = 32 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -20289.905967 + 20514.184509 = 224.278542
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 = 29678.409799
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 = 16 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -30701.330828 + 20341.748355 = -10359.582473
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 = 0 ms
The upper bound solution is:
z = 31360.303030
The time to read the upper bound solution = 15 ms
The optimal solution has not been found yet.

Iteration 49
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -25488.703835 + 20226.790919 = -5261.912916
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 = 33241.250000
The time to read the upper bound solution = 15 ms
The optimal solution has not been found yet.

Iteration 50
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 31 ms
The lower bound solution is:
z = -24448.605013 + 20129.519243 = -4319.085770
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 = 36473.796620
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 51
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -23825.636113 + 20262.162438 = -3563.473675
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 = 37281.846154
The time to read the upper bound solution = 0 ms
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 = -23812.918034 + 20297.533957 = -3515.384077
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 = 47 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 31907.636364
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 = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -21923.668092 + 20217.948040 = -1705.720052
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 = 42830.553846
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 54
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -19127.549138 + 20235.633799 = 1108.084661
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 = 30920.636364
The time to read the upper bound solution = 0 ms
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 = 16 ms
The lower bound solution is:
z = -14021.859115 + 20094.147724 = 6072.288609
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 = 32560.250000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 56
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -13696.386096 + 20014.561807 = 6318.175711
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 = 47363.933333
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 57
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -16609.475270 + 20235.633799 = 3626.158529
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 = 52387.277778
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 58
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -14608.248038 + 20456.705791 = 5848.457753
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 = 31907.636364
The time to read the upper bound solution = 16 ms
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 = 16 ms
The lower bound solution is:
z = -8143.901874 + 20279.848197 = 12135.946323
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 = 53403.801282
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 60
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -16153.118638 + 20200.262280 = 4047.143642
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 = 79386.663462
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 61
The time to create lower bound problem = 32 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -17524.928722 + 20421.334272 = 2896.405550
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 = 53470.384615
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 = 31 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = -12471.406741 + 20642.406264 = 8170.999523
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 = 35802.464286
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 = 31 ms
The lower bound solution is:
z = -11727.153314 + 20642.406264 = 8915.252950
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 = 36449.291667
The time to read the upper bound solution = 16 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 = -12198.546622 + 20757.363700 = 8558.817078
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 = 26735.666667
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 = -11555.985238 + 20806.904337 = 9250.919099
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 = 32269.420455
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 = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -9917.164515 + 20806.904337 = 10889.739822
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 = 39201.500000
The time to read the upper bound solution = 0 ms
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 = -9557.669670 + 20813.981571 = 11256.311901
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 = 51471.380952
The time to read the upper bound solution = 15 ms
The optimal solution has not been found yet.

Iteration 68
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -10317.849027 + 20990.912416 = 10673.063389
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 = 42514.555556
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 69
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -11104.579508 + 21153.688793 = 10049.109285
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 = 32269.420455
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 70
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -8523.251459 + 21125.379858 = 12602.128399
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 = 31781.250000
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 = 32 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = -7925.638357 + 21058.146137 = 13132.507780
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 = 32269.420455
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 72
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = -6531.659374 + 20909.524227 = 14377.864853
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 = 39201.500000
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 = -6566.155223 + 20803.365720 = 14237.210497
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 = 51471.380952
The time to read the upper bound solution = 15 ms
The optimal solution has not been found yet.

Iteration 74
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 31 ms
The lower bound solution is:
z = -9427.811050 + 20980.296565 = 11552.485515
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 = 34774.788462
The time to read the upper bound solution = 15 ms
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 = -7778.403147 + 21015.682734 = 13237.279587
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 = 27885.888889
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 = 32 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -7943.224979 + 20951.987630 = 13008.762651
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 = 39201.500000
The time to read the upper bound solution = 15 ms
The optimal solution has not been found yet.

Iteration 77
The time to create lower bound problem = 32 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -6766.757149 + 20902.446993 = 14135.689844
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 = 31 ms
The upper bound solution is:
z = 32269.420455
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 78
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -6423.961091 + 20767.979551 = 14344.018460
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 = 15 ms
The upper bound solution is:
z = 63854.000000
The time to read the upper bound solution = 0 ms
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 = 16 ms
The lower bound solution is:
z = -9586.729149 + 20944.910396 = 11358.181247
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 = 35404.051282
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 80
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -8730.104826 + 20994.451033 = 12264.346207
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 = 31781.250000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 81
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -6082.387169 + 20959.064864 = 14876.677695
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 = 27885.888889
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 = -6583.807130 + 20914.832152 = 14331.025022
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 = 39201.500000
The time to read the upper bound solution = 16 ms
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 = -5734.952797 + 20833.443964 = 15098.491167
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 = 32269.420455
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 84
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -4969.159072 + 20753.147453 = 15783.988381
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 = 39201.500000
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 85
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -4033.100236 + 20690.722886 = 16657.622650
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 = 47867.420455
The time to read the upper bound solution = 16 ms
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 = 0 ms
The lower bound solution is:
z = -3528.355738 + 20654.441928 = 17126.086190
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 = 48380.666667
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 87
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -7319.228142 + 20677.504921 = 13358.276779
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 = 32269.420455
The time to read the upper bound solution = 15 ms
The optimal solution has not been found yet.

Iteration 88
The time to create lower bound problem = 32 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = -7661.133988 + 20637.144683 = 12976.010695
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 = 31305.214286
The time to read the upper bound solution = 0 ms
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 = 15 ms
The lower bound solution is:
z = -6700.577694 + 20635.703246 = 13935.125552
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 = 47867.420455
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 90
The time to create lower bound problem = 32 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -5948.939377 + 20629.937498 = 14680.998121
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 = 24142.875000
The time to read the upper bound solution = 15 ms
The optimal solution has not been found yet.

Iteration 91
The time to create lower bound problem = 32 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -6016.301712 + 20596.256912 = 14579.955200
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 = 32269.420455
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 92
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -5435.956230 + 20589.941802 = 15153.985572
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 = 31305.214286
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 = 32 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = -4494.801362 + 20581.521655 = 16086.720293
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 = 22245.420455
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 94
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = -5815.678517 + 20561.556251 = 14745.877734
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 = 42221.888889
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 95
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -5252.846854 + 20552.341450 = 15299.494596
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 = 32269.420455
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 96
The time to create lower bound problem = 32 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = -4653.092691 + 20536.983447 = 15883.890756
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 = 42221.888889
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 = -4615.603006 + 20515.482243 = 15899.879237
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 = 47867.420455
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 98
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 47 ms
The lower bound solution is:
z = -4081.412359 + 20507.803242 = 16426.390883
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 = 42221.888889
The time to read the upper bound solution = 0 ms
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 = -3563.529001 + 20501.660040 = 16938.131039
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 = 39265.750000
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 = 16 ms
The lower bound solution is:
z = -3229.672742 + 20493.981039 = 17264.308297
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 = 27885.888889
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 = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -3112.122477 + 20477.543369 = 17365.420892
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 = 42221.888889
The time to read the upper bound solution = 16 ms
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 = -3379.373953 + 20458.511371 = 17079.137418
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 = 48380.666667
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 = 31 ms
The time to compute the lower bound = 31 ms
The lower bound solution is:
z = -5265.576602 + 20477.543369 = 15211.966767
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 = 31305.214286
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 = -4334.036377 + 20470.223370 = 16136.186993
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 = 83909.705128
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 105
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -4373.010292 + 20462.903370 = 16089.893078
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 = 22245.420455
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 106
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -4124.670380 + 20441.675372 = 16317.004992
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 = 47867.420455
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 = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -3420.562213 + 20428.499373 = 17007.937160
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 = 22245.420455
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 108
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -3998.570758 + 20403.123376 = 16404.552618
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 = 47867.420455
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 = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -3199.682575 + 20398.731376 = 17199.048801
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 = 22245.420455
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 110
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -3733.149728 + 20378.235378 = 16645.085650
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 = 83909.705128
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 111
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -2959.821025 + 20372.379378 = 17412.558353
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 = 22245.420455
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 = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = -2377.232805 + 20352.323001 = 17975.090196
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 = 22245.420455
The optimal solution has not been found yet.

Iteration 113
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -3542.752638 + 20335.028163 = 16792.275525
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 = 42221.888889
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 = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -3756.264247 + 20318.373875 = 16562.109628
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 = 51471.380952
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 = 0 ms
The lower bound solution is:
z = -4835.762738 + 20350.401352 = 15514.638614
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 = 42221.888889
The time to read the upper bound solution = 16 ms
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 = -4267.248772 + 20343.995857 = 16076.747085
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 = 42221.888889
The optimal solution has not been found yet.

Iteration 117
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -3875.813037 + 20337.590361 = 16461.777324
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 = 42221.888889
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 = 16 ms
The lower bound solution is:
z = -3489.856590 + 20328.622668 = 16838.766078
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 = 42221.888889
The optimal solution has not been found yet.

Iteration 119
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -3192.803627 + 20317.092776 = 17124.289149
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 = 42221.888889
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 = -3371.147128 + 20299.157389 = 16928.010261
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 = 42221.888889
The optimal solution has not been found yet.

Iteration 121
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = -2986.819882 + 20295.314092 = 17308.494210
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 = 42221.888889
The optimal solution has not been found yet.

Iteration 122
The time to create lower bound problem = 32 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = -2589.679166 + 20290.189695 = 17700.510529
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 = 42221.888889
The optimal solution has not been found yet.

Iteration 123
The time to create lower bound problem = 32 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = -2209.189188 + 20285.065299 = 18075.876111
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 = 82624.705128
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 124
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -1970.804454 + 20277.560119 = 18306.755665
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 = 82624.705128
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 = 31 ms
The lower bound solution is:
z = -1855.808093 + 20268.107324 = 18412.299231
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 = 82624.705128
The optimal solution has not been found yet.

Iteration 126
The time to create lower bound problem = 32 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = -1959.547900 + 20254.308087 = 18294.760187
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 = 82624.705128
The optimal solution has not been found yet.

Iteration 127
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = -1766.403854 + 20252.008215 = 18485.604361
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 = 110298.705130
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 = 16 ms
The lower bound solution is:
z = -3515.041551 + 20280.206835 = 16765.165284
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 = 53928.051282
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 129
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -2955.141531 + 20300.509842 = 17345.368311
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 = 47 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 47867.420455
The time to read the upper bound solution = 15 ms
The optimal solution has not been found yet.

Iteration 130
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -2747.395058 + 20288.102449 = 17540.707391
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 = 83909.705128
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 = 32 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = -3111.208812 + 20270.055332 = 17158.846520
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 = 47867.420455
The time to read the upper bound solution = 16 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 = 15 ms
The lower bound solution is:
z = -3051.400441 + 20255.392049 = 17203.991608
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 = 47867.420455
The optimal solution has not been found yet.

Iteration 133
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = -2697.548946 + 20253.136159 = 17555.587213
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 = 22245.420455
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 134
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = -3048.432741 + 20237.908904 = 17189.476163
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 = 47867.420455
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 135
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -2631.939398 + 20233.397125 = 17601.457727
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 = 42221.888889
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 = -2283.736645 + 20230.013290 = 17946.276645
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 = 42221.888889
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 = -1993.250531 + 20223.245621 = 18229.995090
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 = 42221.888889
The optimal solution has not been found yet.

Iteration 138
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 31 ms
The lower bound solution is:
z = -5609.162477 + 20211.966173 = 14602.803696
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 = 48380.666667
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 139
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = -7355.426786 + 20226.629456 = 12871.202670
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 = 34494.714286
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 = 0 ms
The lower bound solution is:
z = -6818.570987 + 20251.444242 = 13432.873255
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 = 83909.705128
The time to read the upper bound solution = 0 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 = 16 ms
The lower bound solution is:
z = -6656.591402 + 20251.444242 = 13594.852840
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 = 22245.420455
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 142
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -6498.169788 + 20234.525070 = 13736.355282
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 = 47867.420455
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 143
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -5858.319562 + 20235.653015 = 14377.333453
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 = 22245.420455
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 = 32 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -6274.761955 + 20218.733842 = 13943.971887
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 = 47867.420455
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 145
The time to create lower bound problem = 32 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = -5665.671753 + 20218.733842 = 14553.062089
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 = 47867.420455
The optimal solution has not been found yet.

Iteration 146
The time to create lower bound problem = 32 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -5255.555767 + 20218.733842 = 14963.178075
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 = 42221.888889
The time to read the upper bound solution = 16 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 = -4915.710789 + 20220.989732 = 15305.278943
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 = 42221.888889
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 = 31 ms
The lower bound solution is:
z = -4577.327344 + 20223.245621 = 15645.918277
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 = 42221.888889
The optimal solution has not been found yet.

Iteration 149
The time to create lower bound problem = 32 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -4403.206675 + 20225.501511 = 15822.294836
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 = 110298.705130
The time to read the upper bound solution = 15 ms
The optimal solution has not been found yet.

Iteration 150
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = -6067.221749 + 20253.700132 = 14186.478383
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 = 53928.051282
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 151
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -5462.297274 + 20281.898753 = 14819.601479
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 = 47867.420455
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 = -5124.563667 + 20281.898753 = 15157.335086
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 = 83909.705128
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 153
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -5455.948202 + 20281.898753 = 14825.950551
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 = 47867.420455
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 154
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -4835.578550 + 20281.898753 = 15446.320203
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 = 47867.420455
The optimal solution has not been found yet.

Iteration 155
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -4530.279031 + 20281.898753 = 15751.619722
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 = 0 ms
The upper bound solution is:
z = 22245.420455
The time to read the upper bound solution = 15 ms
The optimal solution has not been found yet.

Iteration 156
The time to create lower bound problem = 32 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -4833.572403 + 20263.851635 = 15430.279232
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 = 47867.420455
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 157
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -4375.209725 + 20266.107525 = 15890.897800
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 = 47867.420455
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 = 16 ms
The lower bound solution is:
z = -4022.558123 + 20266.107525 = 16243.549402
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 = 42221.888889
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 = -3687.431708 + 20266.107525 = 16578.675817
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 = 42221.888889
The optimal solution has not been found yet.

Iteration 160
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -3341.891469 + 20267.235470 = 16925.344001
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 = 42221.888889
The optimal solution has not been found yet.

Iteration 161
The time to create lower bound problem = 47 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -3024.580651 + 20268.363415 = 17243.782764
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 = 48380.666667
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 162
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = -4391.948046 + 20275.695056 = 15883.747010
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 = 83909.705128
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 163
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -4058.350539 + 20275.131084 = 16216.780545
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 = 83909.705128
The optimal solution has not been found yet.

Iteration 164
The time to create lower bound problem = 46 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -3837.849378 + 20274.567111 = 16436.717733
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 = 44245.047619
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 165
The time to create lower bound problem = 32 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = -3572.316295 + 20273.721153 = 16701.404858
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 = 47 ms
The time to compute the upper bound = 0 ms
The upper bound solution is:
z = 22245.420455
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 166
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -3320.191333 + 20263.851635 = 16943.660302
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 = 22245.420455
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 = 16 ms
The lower bound solution is:
z = -3173.211725 + 20254.828077 = 17081.616352
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 = 47867.420455
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 168
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -2952.441907 + 20253.700132 = 17301.258225
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 = 83909.705128
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 = 16 ms
The lower bound solution is:
z = -3060.315937 + 20252.572187 = 17192.256250
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 = 47867.420455
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 170
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -2793.518840 + 20251.444242 = 17457.925402
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 = 22245.420455
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 = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -2660.851579 + 20242.138697 = 17581.287118
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 = 47867.420455
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 172
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -2499.624297 + 20242.138697 = 17742.514400
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 = 83909.705128
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 = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = -2559.904425 + 20241.574725 = 17681.670300
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 = 47867.420455
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 = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -2294.691335 + 20241.574725 = 17946.883390
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 = 47 ms
The time to compute the upper bound = 15 ms
The upper bound solution is:
z = 22245.420455
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 175
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = -2199.358167 + 20232.833153 = 18033.474986
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 = 47867.420455
The time to read the upper bound solution = 15 ms
The optimal solution has not been found yet.

Iteration 176
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = -2062.278225 + 20233.397125 = 18171.118900
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 = 110298.705130
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 = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -2803.209208 + 20247.496435 = 17444.287227
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 = 47867.420455
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 178
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -2509.747929 + 20245.240546 = 17735.492617
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 = 22245.420455
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 179
The time to create lower bound problem = 46 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -3029.635325 + 20237.344932 = 17207.709607
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 = 83909.705128
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 = 31 ms
The lower bound solution is:
z = -2720.761411 + 20234.525070 = 17513.763659
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 = 0 ms
The upper bound solution is:
z = 44245.047619
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 = -2456.237939 + 20232.551166 = 17776.313227
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 = 83909.705128
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 182
The time to create lower bound problem = 32 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = -2354.971076 + 20229.731304 = 17874.760228
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 = 22245.420455
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 = 16 ms
The lower bound solution is:
z = -2113.078740 + 20219.861787 = 18106.783047
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 = 22245.420455
The optimal solution has not been found yet.

Iteration 184
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -2104.193404 + 20209.710284 = 18105.516880
The time to read the lower bound solution = 32 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 = 47867.420455
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 = -1947.147361 + 20203.506587 = 18256.359226
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 = 47867.420455
The optimal solution has not been found yet.

Iteration 186
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -1882.536016 + 20201.814670 = 18319.278654
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 = 83909.705128
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 187
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -1849.421586 + 20200.122753 = 18350.701167
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 = 47867.420455
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 188
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -1711.536879 + 20197.302890 = 18485.766011
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 = 22245.420455
The time to read the upper bound solution = 16 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 = 0 ms
The lower bound solution is:
z = -3117.424079 + 20186.023927 = 17068.599848
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 = 22245.420455
The optimal solution has not been found yet.

Iteration 190
The time to create lower bound problem = 46 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -3325.118287 + 20175.872860 = 16850.754573
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 = 47867.420455
The time to read the upper bound solution = 16 ms
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 = -3004.795483 + 20165.157845 = 17160.362362
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 = 47867.420455
The optimal solution has not been found yet.

Iteration 192
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -2757.783046 + 20154.442830 = 17396.659784
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 = 47867.420455
The optimal solution has not been found yet.

Iteration 193
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -2511.084621 + 20143.727815 = 17632.643194
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 = 47867.420455
The optimal solution has not been found yet.

Iteration 194
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -2358.013184 + 20133.576748 = 17775.563564
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 = 82624.705128
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 195
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -2226.875866 + 20123.425681 = 17896.549815
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 = 82624.705128
The optimal solution has not been found yet.

Iteration 196
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -2094.911983 + 20113.838562 = 18018.926579
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 = 82624.705128
The optimal solution has not been found yet.

Iteration 197
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -1962.948123 + 20104.251443 = 18141.303320
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 = 82624.705128
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 = 16 ms
The lower bound solution is:
z = -1830.984257 + 20094.664324 = 18263.680067
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 = 82624.705128
The optimal solution has not been found yet.

Iteration 199
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -1699.020380 + 20085.077205 = 18386.056825
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 = 82624.705128
The optimal solution has not been found yet.

Iteration 200
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -1567.056511 + 20075.490086 = 18508.433575
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 = 82624.705128
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 = 31 ms
The lower bound solution is:
z = -1436.294712 + 20065.960770 = 18629.666058
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 = 82624.705128
The optimal solution has not been found yet.

Iteration 202
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -1311.769066 + 20057.282959 = 18745.513893
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 = 82624.705128
The optimal solution has not been found yet.

Iteration 203
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -1191.022290 + 20049.408170 = 18858.385880
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 = 82624.705128
The optimal solution has not been found yet.

Iteration 204
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -1074.169597 + 20041.787342 = 18967.617745
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 = 82624.705128
The optimal solution has not been found yet.

Iteration 205
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -961.085409 + 20034.412286 = 19073.326877
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 = 82624.705128
The optimal solution has not been found yet.

Iteration 206
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -851.648185 + 20027.275075 = 19175.626890
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 = 82624.705128
The optimal solution has not been found yet.

Iteration 207
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -748.891054 + 20020.368040 = 19271.476986
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 = 82624.705128
The optimal solution has not been found yet.

Iteration 208
The time to create lower bound problem = 47 ms
The time to compute the lower bound = 32 ms
The lower bound solution is:
z = -647.405440 + 20014.122758 = 19366.717318
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 = 82624.705128
The optimal solution has not been found yet.

Iteration 209
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = -556.064873 + 20008.941093 = 19452.876220
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 = 82624.705128
The optimal solution has not been found yet.

Iteration 210
The time to create lower bound problem = 32 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -458.184468 + 20004.333395 = 19546.148927
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 = 82624.705128
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 = 15 ms
The lower bound solution is:
z = -366.679157 + 19999.879597 = 19633.200440
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 = 82624.705128
The optimal solution has not been found yet.

Iteration 212
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -284.898943 + 19995.569434 = 19710.670491
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 = 82624.705128
The optimal solution has not been found yet.

Iteration 213
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = -194.825877 + 19992.527734 = 19797.701857
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 = 82624.705128
The optimal solution has not been found yet.

Iteration 214
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -229.734272 + 19989.590471 = 19759.856199
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 = 110298.705130
The time to read the upper bound solution = 16 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 = 0 ms
The lower bound solution is:
z = -480.071781 + 19998.769416 = 19518.697635
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 = 47867.420455
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 216
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -273.719244 + 19995.097838 = 19721.378594
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 = 82624.705128
The time to read the upper bound solution = 16 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 = 0 ms
The lower bound solution is:
z = -203.898227 + 19991.793418 = 19787.895191
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 = 110298.705130
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 218
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -688.253865 + 20000.972363 = 19312.718498
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 = 47867.420455
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 219
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -478.442656 + 19996.933627 = 19518.490971
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 = 47867.420455
The optimal solution has not been found yet.

Iteration 220
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -334.648745 + 19993.262049 = 19658.613304
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 = 47867.420455
The optimal solution has not been found yet.

Iteration 221
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -426.940273 + 19990.691945 = 19563.751672
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 = 110298.705130
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 222
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -694.869011 + 19999.870890 = 19305.001879
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 = 47867.420455
The time to read the upper bound solution = 15 ms
The optimal solution has not been found yet.

Iteration 223
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -494.614249 + 19997.300785 = 19502.686536
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 = 47867.420455
The optimal solution has not been found yet.

Iteration 224
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -649.146904 + 19995.097838 = 19345.950934
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 = 110298.705130
The time to read the upper bound solution = 16 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 = 0 ms
The lower bound solution is:
z = -880.429794 + 20004.276783 = 19123.846989
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 = 47867.420455
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 226
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -743.270318 + 20001.339521 = 19258.069203
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 = 37846.380952
The time to read the upper bound solution = 0 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 = -1252.401164 + 20004.643941 = 18752.242777
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 = 53928.051282
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 = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -1134.712036 + 20008.682676 = 18873.970640
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 = 47867.420455
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 = -1703.837422 + 20006.479730 = 18302.642308
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 = 47867.420455
The optimal solution has not been found yet.

Iteration 230
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = -1540.632633 + 19999.870890 = 18459.238257
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 = 47867.420455
The optimal solution has not been found yet.

Iteration 231
The time to create lower bound problem = 47 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -1404.429263 + 19993.629207 = 18589.199944
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 = 82624.705128
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 = 16 ms
The time to compute the lower bound = 31 ms
The lower bound solution is:
z = -1318.514349 + 19987.387525 = 18668.873176
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 = 82624.705128
The optimal solution has not been found yet.

Iteration 233
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -1232.599423 + 19981.145842 = 18748.546419
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 = 82624.705128
The optimal solution has not been found yet.

Iteration 234
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -1146.684498 + 19974.904160 = 18828.219662
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 = 82624.705128
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 = -1060.976649 + 19968.662477 = 18907.685828
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 = 82624.705128
The optimal solution has not been found yet.

Iteration 236
The time to create lower bound problem = 46 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -975.796041 + 19962.787953 = 18986.991912
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 = 82624.705128
The optimal solution has not been found yet.

Iteration 237
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -891.951310 + 19956.913428 = 19064.962118
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 = 82624.705128
The optimal solution has not been found yet.

Iteration 238
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -804.870019 + 19951.773219 = 19146.903200
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 = 82624.705128
The optimal solution has not been found yet.

Iteration 239
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -723.888558 + 19946.265852 = 19222.377294
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 = 82624.705128
The optimal solution has not been found yet.

Iteration 240
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -639.740625 + 19941.492801 = 19301.752176
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 = 82624.705128
The optimal solution has not been found yet.

Iteration 241
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 31 ms
The lower bound solution is:
z = -556.762957 + 19937.086907 = 19380.323950
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 = 82624.705128
The optimal solution has not been found yet.

Iteration 242
The time to create lower bound problem = 47 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -516.452211 + 19934.883961 = 19418.431750
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 = 82624.705128
The optimal solution has not been found yet.

Iteration 243
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -475.330532 + 19932.864593 = 19457.534061
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 = 82624.705128
The optimal solution has not been found yet.

Iteration 244
The time to create lower bound problem = 32 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -434.560615 + 19930.845225 = 19496.284610
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 = 82624.705128
The optimal solution has not been found yet.

Iteration 245
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -393.806099 + 19929.009436 = 19535.203337
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 = 82624.705128
The optimal solution has not been found yet.

Iteration 246
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = -356.621715 + 19927.173647 = 19570.551932
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 = 82624.705128
The optimal solution has not been found yet.

Iteration 247
The time to create lower bound problem = 32 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = -323.901944 + 19925.521437 = 19601.619493
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 = 82624.705128
The optimal solution has not been found yet.

Iteration 248
The time to create lower bound problem = 32 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = -285.351842 + 19924.236385 = 19638.884543
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 = 82624.705128
The optimal solution has not been found yet.

Iteration 249
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -277.240340 + 19923.318490 = 19646.078150
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 = 110298.705130
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 = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -475.736254 + 19927.907963 = 19452.171709
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 = 47867.420455
The time to read the upper bound solution = 0 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 = -372.197757 + 19926.806489 = 19554.608732
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 = 47867.420455
The optimal solution has not been found yet.

Iteration 252
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -389.108714 + 19925.705016 = 19536.596302
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 = 110298.705130
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 253
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -553.777271 + 19930.294488 = 19376.517217
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 = 47867.420455
The time to read the upper bound solution = 15 ms
The optimal solution has not been found yet.

Iteration 254
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = -452.933252 + 19929.009436 = 19476.076184
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 = 47867.420455
The optimal solution has not been found yet.

Iteration 255
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -571.440223 + 19927.907963 = 19356.467740
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 = 110298.705130
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 256
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = -653.082824 + 19932.497435 = 19279.414611
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 = 47867.420455
The time to read the upper bound solution = 15 ms
The optimal solution has not been found yet.

Iteration 257
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -814.678247 + 19931.395962 = 19116.717715
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 = 37846.380952
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 258
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = -1526.610345 + 19933.231751 = 18406.621406
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 = 110298.705130
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 = 31 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = -1410.772062 + 19937.821223 = 18527.049161
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 = 110298.705130
The optimal solution has not been found yet.

Iteration 260
The time to create lower bound problem = 32 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -1475.523137 + 19942.410695 = 18466.887558
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 = 83909.705128
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 = -1488.705143 + 19940.942064 = 18452.236921
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 = 40744.214286
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 262
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -1418.632218 + 19942.043538 = 18523.411320
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 = 83909.705128
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 263
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -1308.294142 + 19940.024170 = 18631.730028
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 = 83909.705128
The optimal solution has not been found yet.

Iteration 264
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = -1269.464286 + 19938.188381 = 18668.724095
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 = 44245.047619
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 265
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -1161.519896 + 19935.985434 = 18774.465538
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 = 44245.047619
The optimal solution has not been found yet.

Iteration 266
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -1079.019708 + 19933.782487 = 18854.762779
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 = 22740.051282
The time to read the upper bound solution = 16 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 = 0 ms
The lower bound solution is:
z = -987.593935 + 19932.497435 = 18944.903500
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 = 22245.420455
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 = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -1070.052252 + 19928.550489 = 18858.498237
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 = 37846.380952
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 = 31 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = -1163.283929 + 19930.019120 = 18766.735191
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 = 53928.051282
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 270
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -1127.341035 + 19932.405646 = 18805.064611
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 = 82624.705128
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 271
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = -1088.427036 + 19930.386278 = 18841.959242
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 = 82624.705128
The optimal solution has not been found yet.

Iteration 272
The time to create lower bound problem = 47 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -1047.998647 + 19928.366910 = 18880.368263
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 = 82624.705128
The optimal solution has not been found yet.

Iteration 273
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -1007.611293 + 19926.531121 = 18918.919828
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 = 82624.705128
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 = 0 ms
The lower bound solution is:
z = -970.763322 + 19924.695332 = 18953.932010
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 = 82624.705128
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 = -938.188319 + 19923.043122 = 18984.854803
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 = 82624.705128
The optimal solution has not been found yet.

Iteration 276
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -1012.393053 + 19921.574491 = 18909.181438
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 = 110298.705130
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 277
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -1248.805154 + 19926.163963 = 18677.358809
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 = 53928.051282
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 278
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -1120.865681 + 19928.734068 = 18807.868387
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 = 53928.051282
The optimal solution has not been found yet.

Iteration 279
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = -1283.843689 + 19931.120593 = 18647.276904
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 = 83909.705128
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 280
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -1258.347798 + 19928.366910 = 18670.019112
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 = 47867.420455
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 = 32 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -1198.417330 + 19925.613227 = 18727.195897
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 = 22245.420455
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 = 15 ms
The lower bound solution is:
z = -1122.505441 + 19921.574491 = 18799.069050
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 = 47867.420455
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 = 32 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -1117.713637 + 19919.371544 = 18801.657907
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 = 83909.705128
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 = 32 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = -1083.898450 + 19917.535755 = 18833.637305
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 = 47867.420455
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 285
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -1032.978045 + 19915.699966 = 18882.721921
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 = 83909.705128
The time to read the upper bound solution = 15 ms
The optimal solution has not been found yet.

Iteration 286
The time to create lower bound problem = 16 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -1042.805685 + 19913.864177 = 18871.058492
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 = 47867.420455
The time to read the upper bound solution = 15 ms
The optimal solution has not been found yet.

Iteration 287
The time to create lower bound problem = 32 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -982.745765 + 19912.211967 = 18929.466202
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 = 22245.420455
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 288
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = -947.716597 + 19908.265021 = 18960.548424
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 = 37846.380952
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 = 32 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = -1117.725922 + 19909.550073 = 18791.824151
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 = 53928.051282
The time to read the upper bound solution = 63 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 = 15 ms
The lower bound solution is:
z = -1181.507482 + 19911.936599 = 18730.429117
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 = 83909.705128
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 = 32 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = -1245.123549 + 19908.999337 = 18663.875788
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 = 47867.420455
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 = 31 ms
The time to compute the lower bound = 15 ms
The lower bound solution is:
z = -1133.943636 + 19906.429232 = 18772.485596
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 = 47867.420455
The optimal solution has not been found yet.

Iteration 293
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -1115.244238 + 19903.859128 = 18788.614890
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 = 83909.705128
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 294
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 0 ms
The lower bound solution is:
z = -1097.043960 + 19901.839760 = 18804.795800
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 = 47867.420455
The time to read the upper bound solution = 16 ms
The optimal solution has not been found yet.

Iteration 295
The time to create lower bound problem = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -1041.552557 + 19900.003971 = 18858.451414
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 = 44245.047619
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.

Iteration 296
The time to create lower bound problem = 31 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -968.382778 + 19897.617445 = 18929.234667
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 = 22245.420455
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 = 16 ms
The lower bound solution is:
z = -934.740715 + 19893.578709 = 18958.837994
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 = 47867.420455
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 = -878.272152 + 19891.926499 = 19013.654347
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 = 83909.705128
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 = -954.761017 + 19890.457868 = 18935.696851
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 = 37846.380952
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 = 15 ms
The time to compute the lower bound = 16 ms
The lower bound solution is:
z = -1127.872968 + 19891.926499 = 18764.053531
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 = 53928.051282
The time to read the upper bound solution = 0 ms
The optimal solution has not been found yet.
The iteration limit has been reached

TIMINGS:

Total run time for the heuristic = 544438 ms
The total time to calculate the lower bounds with CPLEX = 3632 ms
The total time to calculate the upper bounds with CPLEX = 2472 ms
The total time to create the lower bound problems = 8110 ms
The total time to read the lower bound solutions = 2141 ms
The total time to check if computing the upper bounds are needed = 0 ms
The total time to create the upper bound problems = 4658 ms
The total time to read the upper bound solutions = 1333 ms 

The best upper bound found = 22245.420455, the best lower bound found = 19797.701857
Therefore the duality gap is 12.363650%
