--- Job harp2 Start 08/25/08 02:37:38 GAMS Rev 227 Copyright (C) 1987-2008 GAMS Development. All rights reserved Licensee: Stefan Vigerske G071106/0001CB-LNX Humboldt University Berlin, Numerical Mathematics DC5918 --- Starting compilation --- harp2.gms(106) 2 Mb --- GDXin=/home/stefan/work/gams/models/LINlib/harp2.gdx --- harp2.gms(148) 3 Mb --- Starting execution: elapsed 0:00:00.025 --- harp2.gms(123) 4 Mb --- Generating MIP model m --- harp2.gms(124) 4 Mb --- 113 rows 2,994 columns 8,834 non-zeroes --- 2,993 discrete-columns --- harp2.gms(124) 4 Mb --- Executing COINCBC: elapsed 0:00:00.059 GAMS/CoinCbc 2.0 LP/MIP Solver written by J. Forrest Problem statistics: 2993 columns and 112 rows. 2993 variables have integrality restrictions. Calling CBC main solution routine... Coin Cbc and Clp Solver version 2.00.00, build Mar 20 2008 command line - GAMS/CBC -solve -quit Continuous objective value is -7.43533e+07 - 0.02 seconds 0 fixed, 0 tightened bounds, 3 strengthened rows, 0 substitutions 263 fixed, 0 tightened bounds, 3 strengthened rows, 0 substitutions 0 fixed, 0 tightened bounds, 2 strengthened rows, 0 substitutions 0 fixed, 0 tightened bounds, 2 strengthened rows, 0 substitutions processed model has 92 rows, 1025 columns (1025 integer) and 2024 elements Objective coefficients multiple of 1 Cutoff increment increased from 1e-05 to 0.999 Pass 1: obj. 1.38465 --> up = 0 , down = 0 -- rand = 13 ( 13) Pass 2: obj. 6.31671 --> up = 0 , down = 5 Pass 3: obj. 1.91023 --> up = 0 , down = 0 -- rand = 10 ( 24) Pass 4: obj. 4.38116 --> up = 0 , down = 5 Pass 5: obj. 1.00000 --> up = 0 , down = 0 -- rand = 7 ( 20) Pass 6: obj. 6.00000 --> up = 0 , down = 7 perturbation applied Pass 7: obj. 176.00000 --> up = 2 , down = 174 Pass 8: obj. 0.88111 --> up = 0 , down = 0 -- rand = 10 ( 13) Pass 9: obj. 4.85754 --> up = 0 , down = 4 Pass 10: obj. 0.92621 --> up = 0 , down = 0 -- rand = 4 ( 25) Pass 11: obj. 0.12017 --> up = 0 , down = 0 -- rand = 4 ( 10) perturbation applied Pass 12: obj. 177.20919 --> up = 3 , down = 174 Pass 13: obj. 1.15652 --> up = 0 , down = 0 -- rand = 10 ( 11) Pass 14: obj. 5.91760 --> up = 1 , down = 5 Pass 15: obj. 1.03472 --> up = 0 , down = 0 -- rand = 10 ( 19) Pass 16: obj. 5.85884 --> up = 1 , down = 5 Pass 17: obj. 0.85057 --> up = 0 , down = 0 -- rand = 7 ( 25) Pass 18: obj. 4.46506 --> up = 1 , down = 4 Pass 19: obj. 0.45679 --> up = 0 , down = 0 -- rand = 7 ( 22) Pass 20: obj. 4.85884 --> No solution found this major pass Before mini branch and bound, 871 integers at bound fixed and 0 continuous Full problem 92 rows 1025 columns, reduced to 41 rows 119 columns Mini branch and bound improved solution from 1.79769e+308 to -6.80327e+07 (0.14 seconds) Round again with cutoff of -6.8662e+07 Pass 20: obj. 1.38465 --> up = 0 , down = 0 -- rand = 15 ( 27) Pass 21: obj. 7.41997 --> up = 0 , down = 7 Pass 22: obj. 1.02464 --> up = 0 , down = 0 -- rand = 8 ( 15) Pass 23: obj. 4.31976 --> up = 0 , down = 5 Pass 24: obj. 1.00000 --> up = 0 , down = 0 -- rand = 7 ( 20) Pass 25: obj. 6.00000 --> up = 0 , down = 7 perturbation applied Pass 26: obj. 176.36962 --> up = 2 , down = 175 Pass 27: obj. 3.03855 --> up = 0 , down = 0 -- rand = 20 ( 27) Pass 28: obj. 14.85921 --> up = 3 , down = 12 Pass 29: obj. 3.33333 --> up = 1 , down = 1 Pass 30: obj. 2.24007 --> up = 0 , down = 0 -- rand = 16 ( 29) Pass 31: obj. 13.03479 --> up = 4 , down = 11 Pass 32: obj. 2.47659 --> up = 0 , down = 0 -- rand = 16 ( 20) Pass 33: obj. 12.86441 --> up = 3 , down = 10 Pass 34: obj. 3.33333 --> up = 1 , down = 1 Pass 35: obj. 2.24007 --> up = 0 , down = 0 -- rand = 16 ( 22) Pass 36: obj. 13.03479 --> up = 4 , down = 11 Pass 37: obj. 2.47659 --> up = 0 , down = 0 -- rand = 16 ( 29) Pass 38: obj. 12.86441 --> up = 3 , down = 10 Pass 39: obj. 3.33333 --> No solution found this major pass Before mini branch and bound, 894 integers at bound fixed and 0 continuous Full problem 92 rows 1025 columns, reduced to 33 rows 95 columns Mini branch and bound did not improve solution (0.24 seconds) After 0.24 seconds - Feasibility pump exiting - took 0.24 seconds Integer solution of -6.80327e+07 found by feasibility pump after 0 iterations and 0 nodes (0.24 seconds) Full problem 92 rows 1025 columns, reduced to 0 rows 0 columns Integer solution of -6.91902e+07 found by combine solutions after 1514 iterations and 0 nodes (1.38 seconds) 83 added rows had average density of 76.8554 At root node, 83 cuts changed objective from -7.43252e+07 to -7.40296e+07 in 45 passes Cut generator 0 (Probing) - 0 row cuts (0 active), 0 column cuts in 0.312 seconds - new frequency is 10 Cut generator 1 (Gomory) - 238 row cuts (15 active), 0 column cuts in 0.236 seconds - new frequency is -100 Cut generator 2 (Knapsack) - 429 row cuts (16 active), 0 column cuts in 0.140 seconds - new frequency is 1 Cut generator 3 (Clique) - 0 row cuts (0 active), 0 column cuts in 0.004 seconds - new frequency is -100 Cut generator 4 (MixedIntegerRounding2) - 233 row cuts (35 active), 0 column cuts in 0.044 seconds - new frequency is -100 Cut generator 5 (FlowCover) - 0 row cuts (0 active), 0 column cuts in 0.000 seconds - new frequency is -100 Cut generator 6 (TwoMirCuts) - 309 row cuts (17 active), 0 column cuts in 0.072 seconds - new frequency is -100 After 0 nodes, 1 on tree, -6.91902e+07 best solution, best possible -7.40296e+07 (2.20 seconds) Integer solution of -6.94143e+07 found by combine solutions after 1535 iterations and 1 nodes (2.35 seconds) Integer solution of -6.94235e+07 found by combine solutions after 1589 iterations and 2 nodes (2.53 seconds) Integer solution of -6.94238e+07 found by combine solutions after 1658 iterations and 3 nodes (2.66 seconds) Integer solution of -6.94238e+07 found by combine solutions after 1683 iterations and 4 nodes (2.78 seconds) Integer solution of -7.25701e+07 found by rounding after 17057 iterations and 912 nodes (15.25 seconds) Full problem 92 rows 1025 columns, reduced to 13 rows 46 columns Integer solution of -7.29333e+07 found by combine solutions after 17077 iterations and 913 nodes (15.31 seconds) Integer solution of -7.29352e+07 found by combine solutions after 17090 iterations and 914 nodes (15.33 seconds) Integer solution of -7.29356e+07 found by combine solutions after 17110 iterations and 915 nodes (15.37 seconds) After 1000 nodes, 242 on tree, -7.29356e+07 best solution, best possible -7.40197e+07 (16.87 seconds) After 2000 nodes, 723 on tree, -7.29356e+07 best solution, best possible -7.39973e+07 (25.51 seconds) After 3000 nodes, 1201 on tree, -7.29356e+07 best solution, best possible -7.39908e+07 (32.76 seconds) After 4000 nodes, 1665 on tree, -7.29356e+07 best solution, best possible -7.39861e+07 (40.12 seconds) After 5000 nodes, 2133 on tree, -7.29356e+07 best solution, best possible -7.39827e+07 (47.68 seconds) After 6000 nodes, 2589 on tree, -7.29356e+07 best solution, best possible -7.39798e+07 (55.42 seconds) After 7000 nodes, 3048 on tree, -7.29356e+07 best solution, best possible -7.39766e+07 (62.49 seconds) After 8000 nodes, 3506 on tree, -7.29356e+07 best solution, best possible -7.39744e+07 (69.40 seconds) After 9000 nodes, 3956 on tree, -7.29356e+07 best solution, best possible -7.39727e+07 (76.50 seconds) After 10000 nodes, 4405 on tree, -7.29356e+07 best solution, best possible -7.39708e+07 (83.53 seconds) After 11000 nodes, 4847 on tree, -7.29356e+07 best solution, best possible -7.39692e+07 (90.14 seconds) After 12000 nodes, 5286 on tree, -7.29356e+07 best solution, best possible -7.39678e+07 (96.75 seconds) After 13000 nodes, 5726 on tree, -7.29356e+07 best solution, best possible -7.39663e+07 (103.53 seconds) After 14000 nodes, 6073 on tree, -7.29356e+07 best solution, best possible -7.39663e+07 (109.58 seconds) After 15000 nodes, 6503 on tree, -7.29356e+07 best solution, best possible -7.39649e+07 (116.20 seconds) After 16000 nodes, 6922 on tree, -7.29356e+07 best solution, best possible -7.39637e+07 (122.81 seconds) After 17000 nodes, 7342 on tree, -7.29356e+07 best solution, best possible -7.39627e+07 (129.24 seconds) After 18000 nodes, 7672 on tree, -7.29356e+07 best solution, best possible -7.39627e+07 (134.69 seconds) After 19000 nodes, 8107 on tree, -7.29356e+07 best solution, best possible -7.39616e+07 (140.76 seconds) After 20000 nodes, 8539 on tree, -7.29356e+07 best solution, best possible -7.39607e+07 (147.03 seconds) After 21000 nodes, 8982 on tree, -7.29356e+07 best solution, best possible -7.39596e+07 (153.39 seconds) After 22000 nodes, 9313 on tree, -7.29356e+07 best solution, best possible -7.39596e+07 (157.79 seconds) After 23000 nodes, 9750 on tree, -7.29356e+07 best solution, best possible -7.39584e+07 (164.05 seconds) After 24000 nodes, 10184 on tree, -7.29356e+07 best solution, best possible -7.39573e+07 (170.21 seconds) Full problem 92 rows 1025 columns, reduced to 39 rows 109 columns Integer solution of -7.36108e+07 found by combine solutions after 914647 iterations and 24391 nodes (170.96 seconds) Integer solution of -7.36127e+07 found by combine solutions after 914687 iterations and 24392 nodes (171.03 seconds) After 25000 nodes, 9030 on tree, -7.36127e+07 best solution, best possible -7.39567e+07 (174.57 seconds) After 26000 nodes, 9298 on tree, -7.36127e+07 best solution, best possible -7.39567e+07 (179.92 seconds) After 27000 nodes, 9653 on tree, -7.36127e+07 best solution, best possible -7.39556e+07 (185.61 seconds) After 28000 nodes, 10002 on tree, -7.36127e+07 best solution, best possible -7.39548e+07 (191.19 seconds) Integer solution of -7.36351e+07 found by rounding after 1020446 iterations and 28089 nodes (191.35 seconds) Full problem 92 rows 1025 columns, reduced to 47 rows 136 columns Integer solution of -7.36384e+07 found by combine solutions after 1020448 iterations and 28090 nodes (191.62 seconds) After 29000 nodes, 10199 on tree, -7.36384e+07 best solution, best possible -7.39538e+07 (196.70 seconds) After 30000 nodes, 10534 on tree, -7.36384e+07 best solution, best possible -7.39529e+07 (202.04 seconds) After 31000 nodes, 10886 on tree, -7.36384e+07 best solution, best possible -7.39529e+07 (205.54 seconds) After 32000 nodes, 11261 on tree, -7.36384e+07 best solution, best possible -7.39529e+07 (208.06 seconds) Integer solution of -7.36494e+07 found after 1099240 iterations and 32050 nodes (208.13 seconds) Full problem 92 rows 1025 columns, reduced to 49 rows 140 columns Integer solution of -7.36876e+07 found by combine solutions after 1099314 iterations and 32051 nodes (208.39 seconds) Integer solution of -7.36894e+07 found by combine solutions after 1099332 iterations and 32052 nodes (208.43 seconds) After 33000 nodes, 11094 on tree, -7.36894e+07 best solution, best possible -7.3952e+07 (213.67 seconds) After 34000 nodes, 11392 on tree, -7.36894e+07 best solution, best possible -7.3951e+07 (219.11 seconds) After 35000 nodes, 11733 on tree, -7.36894e+07 best solution, best possible -7.3951e+07 (221.71 seconds) After 36000 nodes, 12046 on tree, -7.36894e+07 best solution, best possible -7.3951e+07 (224.50 seconds) Integer solution of -7.37014e+07 found after 1175770 iterations and 36447 nodes (225.09 seconds) Full problem 92 rows 1025 columns, reduced to 49 rows 155 columns Integer solution of -7.37666e+07 found by combine solutions after 1175795 iterations and 36448 nodes (225.40 seconds) After 37000 nodes, 10939 on tree, -7.37666e+07 best solution, best possible -7.39505e+07 (228.38 seconds) After 38000 nodes, 11198 on tree, -7.37666e+07 best solution, best possible -7.39497e+07 (233.71 seconds) After 39000 nodes, 11513 on tree, -7.37666e+07 best solution, best possible -7.39497e+07 (236.15 seconds) After 40000 nodes, 11762 on tree, -7.37666e+07 best solution, best possible -7.39497e+07 (238.83 seconds) Integer solution of -7.37675e+07 found by rounding after 1228224 iterations and 40005 nodes (238.83 seconds) Full problem 92 rows 1025 columns, reduced to 50 rows 158 columns Integer solution of -7.38022e+07 found by combine solutions after 1228246 iterations and 40006 nodes (239.14 seconds) After 41000 nodes, 10966 on tree, -7.38022e+07 best solution, best possible -7.39488e+07 (244.05 seconds) After 42000 nodes, 11156 on tree, -7.38022e+07 best solution, best possible -7.3948e+07 (248.77 seconds) After 43000 nodes, 11425 on tree, -7.38022e+07 best solution, best possible -7.3948e+07 (251.22 seconds) After 44000 nodes, 11666 on tree, -7.38022e+07 best solution, best possible -7.3948e+07 (253.52 seconds) Integer solution of -7.38204e+07 found after 1282530 iterations and 44108 nodes (253.62 seconds) Full problem 92 rows 1025 columns, reduced to 50 rows 158 columns Integer solution of -7.38273e+07 found by combine solutions after 1282575 iterations and 44109 nodes (253.95 seconds) After 45000 nodes, 10989 on tree, -7.38273e+07 best solution, best possible -7.39473e+07 (258.09 seconds) After 46000 nodes, 11174 on tree, -7.38273e+07 best solution, best possible -7.39465e+07 (263.06 seconds) After 47000 nodes, 11432 on tree, -7.38273e+07 best solution, best possible -7.39465e+07 (265.17 seconds) After 48000 nodes, 11575 on tree, -7.38273e+07 best solution, best possible -7.39465e+07 (267.50 seconds) Full problem 92 rows 1025 columns, reduced to 50 rows 158 columns After 49000 nodes, 11648 on tree, -7.38302e+07 best solution, best possible -7.39457e+07 (272.42 seconds) After 50000 nodes, 11823 on tree, -7.38302e+07 best solution, best possible -7.39449e+07 (276.87 seconds) After 51000 nodes, 12007 on tree, -7.38302e+07 best solution, best possible -7.39449e+07 (279.29 seconds) After 52000 nodes, 12186 on tree, -7.38302e+07 best solution, best possible -7.39449e+07 (281.69 seconds) Integer solution of -7.38437e+07 found by rounding after 1384669 iterations and 52012 nodes (281.70 seconds) Full problem 92 rows 1025 columns, reduced to 49 rows 156 columns After 53000 nodes, 11669 on tree, -7.38437e+07 best solution, best possible -7.3944e+07 (286.55 seconds) After 54000 nodes, 11847 on tree, -7.38437e+07 best solution, best possible -7.39432e+07 (290.88 seconds) After 55000 nodes, 12007 on tree, -7.38437e+07 best solution, best possible -7.39432e+07 (293.61 seconds) After 56000 nodes, 12157 on tree, -7.38437e+07 best solution, best possible -7.39432e+07 (296.03 seconds) Integer solution of -7.385e+07 found after 1438595 iterations and 56080 nodes (296.12 seconds) Full problem 92 rows 1025 columns, reduced to 50 rows 159 columns After 57000 nodes, 11967 on tree, -7.385e+07 best solution, best possible -7.39424e+07 (300.40 seconds) After 58000 nodes, 12115 on tree, -7.385e+07 best solution, best possible -7.39416e+07 (304.88 seconds) After 59000 nodes, 12256 on tree, -7.385e+07 best solution, best possible -7.39416e+07 (307.64 seconds) After 60000 nodes, 12367 on tree, -7.385e+07 best solution, best possible -7.39416e+07 (310.21 seconds) Integer solution of -7.38522e+07 found after 1490001 iterations and 60413 nodes (310.66 seconds) Full problem 92 rows 1025 columns, reduced to 50 rows 159 columns After 61000 nodes, 12296 on tree, -7.38522e+07 best solution, best possible -7.39411e+07 (313.10 seconds) After 62000 nodes, 12434 on tree, -7.38522e+07 best solution, best possible -7.39402e+07 (316.87 seconds) After 63000 nodes, 12600 on tree, -7.38522e+07 best solution, best possible -7.39402e+07 (319.48 seconds) After 64000 nodes, 12714 on tree, -7.38522e+07 best solution, best possible -7.39402e+07 (321.90 seconds) Integer solution of -7.38529e+07 found after 1531935 iterations and 64092 nodes (321.98 seconds) Full problem 92 rows 1025 columns, reduced to 51 rows 161 columns After 65000 nodes, 12781 on tree, -7.38529e+07 best solution, best possible -7.39396e+07 (325.94 seconds) After 66000 nodes, 12915 on tree, -7.38529e+07 best solution, best possible -7.39388e+07 (329.94 seconds) After 67000 nodes, 13084 on tree, -7.38529e+07 best solution, best possible -7.39388e+07 (332.27 seconds) After 68000 nodes, 13376 on tree, -7.38529e+07 best solution, best possible -7.39388e+07 (334.04 seconds) Full problem 92 rows 1025 columns, reduced to 51 rows 161 columns After 69000 nodes, 13415 on tree, -7.38533e+07 best solution, best possible -7.39383e+07 (336.93 seconds) After 70000 nodes, 13547 on tree, -7.38533e+07 best solution, best possible -7.39377e+07 (340.94 seconds) After 71000 nodes, 13667 on tree, -7.38533e+07 best solution, best possible -7.39376e+07 (343.22 seconds) After 72000 nodes, 13762 on tree, -7.38533e+07 best solution, best possible -7.39376e+07 (345.48 seconds) Integer solution of -7.38535e+07 found after 1616552 iterations and 72107 nodes (345.58 seconds) Full problem 92 rows 1025 columns, reduced to 51 rows 161 columns After 73000 nodes, 13893 on tree, -7.38535e+07 best solution, best possible -7.3937e+07 (349.65 seconds) After 74000 nodes, 14023 on tree, -7.38535e+07 best solution, best possible -7.39363e+07 (353.97 seconds) After 75000 nodes, 14307 on tree, -7.38535e+07 best solution, best possible -7.39363e+07 (355.62 seconds) After 76000 nodes, 14580 on tree, -7.38535e+07 best solution, best possible -7.39363e+07 (357.19 seconds) After 77000 nodes, 14501 on tree, -7.38535e+07 best solution, best possible -7.39363e+07 (358.05 seconds) After 78000 nodes, 14642 on tree, -7.38535e+07 best solution, best possible -7.39354e+07 (362.04 seconds) After 79000 nodes, 14822 on tree, -7.38535e+07 best solution, best possible -7.39354e+07 (363.98 seconds) After 80000 nodes, 15184 on tree, -7.38535e+07 best solution, best possible -7.39354e+07 (365.39 seconds) After 81000 nodes, 15167 on tree, -7.38535e+07 best solution, best possible -7.39354e+07 (366.22 seconds) After 82000 nodes, 15318 on tree, -7.38535e+07 best solution, best possible -7.39347e+07 (370.23 seconds) After 83000 nodes, 15561 on tree, -7.38535e+07 best solution, best possible -7.39347e+07 (371.79 seconds) After 84000 nodes, 15836 on tree, -7.38535e+07 best solution, best possible -7.39347e+07 (373.15 seconds) After 85000 nodes, 15779 on tree, -7.38535e+07 best solution, best possible -7.39347e+07 (373.96 seconds) After 86000 nodes, 15919 on tree, -7.38535e+07 best solution, best possible -7.39339e+07 (378.21 seconds) After 87000 nodes, 16155 on tree, -7.38535e+07 best solution, best possible -7.39339e+07 (379.58 seconds) After 88000 nodes, 16354 on tree, -7.38535e+07 best solution, best possible -7.39339e+07 (381.06 seconds) After 89000 nodes, 16265 on tree, -7.38535e+07 best solution, best possible -7.39339e+07 (381.92 seconds) After 90000 nodes, 16416 on tree, -7.38535e+07 best solution, best possible -7.3933e+07 (386.12 seconds) After 91000 nodes, 16582 on tree, -7.38535e+07 best solution, best possible -7.3933e+07 (387.70 seconds) After 92000 nodes, 16713 on tree, -7.38535e+07 best solution, best possible -7.3933e+07 (389.31 seconds) After 93000 nodes, 16772 on tree, -7.38535e+07 best solution, best possible -7.3933e+07 (390.15 seconds) After 94000 nodes, 16904 on tree, -7.38535e+07 best solution, best possible -7.39323e+07 (394.28 seconds) After 95000 nodes, 17065 on tree, -7.38535e+07 best solution, best possible -7.39323e+07 (396.03 seconds) After 96000 nodes, 17177 on tree, -7.38535e+07 best solution, best possible -7.39323e+07 (397.94 seconds) After 97000 nodes, 17162 on tree, -7.38535e+07 best solution, best possible -7.39323e+07 (398.74 seconds) After 98000 nodes, 17332 on tree, -7.38535e+07 best solution, best possible -7.39316e+07 (402.70 seconds) After 99000 nodes, 17553 on tree, -7.38535e+07 best solution, best possible -7.39316e+07 (404.59 seconds) After 100000 nodes, 17714 on tree, -7.38535e+07 best solution, best possible -7.39316e+07 (406.08 seconds) After 101000 nodes, 17630 on tree, -7.38535e+07 best solution, best possible -7.39316e+07 (406.86 seconds) After 102000 nodes, 17782 on tree, -7.38535e+07 best solution, best possible -7.3931e+07 (410.60 seconds) After 103000 nodes, 17992 on tree, -7.38535e+07 best solution, best possible -7.3931e+07 (411.97 seconds) After 104000 nodes, 18239 on tree, -7.38535e+07 best solution, best possible -7.3931e+07 (413.37 seconds) Integer solution of -7.38535e+07 found after 1843698 iterations and 104410 nodes (413.75 seconds) Full problem 92 rows 1025 columns, reduced to 52 rows 163 columns After 105000 nodes, 18276 on tree, -7.38535e+07 best solution, best possible -7.39306e+07 (416.43 seconds) After 106000 nodes, 18409 on tree, -7.38535e+07 best solution, best possible -7.39299e+07 (420.60 seconds) After 107000 nodes, 18594 on tree, -7.38535e+07 best solution, best possible -7.39299e+07 (422.04 seconds) After 108000 nodes, 18703 on tree, -7.38535e+07 best solution, best possible -7.39299e+07 (423.77 seconds) After 109000 nodes, 18678 on tree, -7.38535e+07 best solution, best possible -7.39299e+07 (424.63 seconds) After 110000 nodes, 18824 on tree, -7.38535e+07 best solution, best possible -7.39292e+07 (428.56 seconds) After 111000 nodes, 18961 on tree, -7.38535e+07 best solution, best possible -7.39292e+07 (430.37 seconds) After 112000 nodes, 19065 on tree, -7.38535e+07 best solution, best possible -7.39292e+07 (432.24 seconds) After 113000 nodes, 19061 on tree, -7.38535e+07 best solution, best possible -7.39292e+07 (433.12 seconds) After 114000 nodes, 19223 on tree, -7.38535e+07 best solution, best possible -7.39286e+07 (437.16 seconds) After 115000 nodes, 19324 on tree, -7.38535e+07 best solution, best possible -7.39286e+07 (438.80 seconds) After 116000 nodes, 19457 on tree, -7.38535e+07 best solution, best possible -7.39286e+07 (440.63 seconds) After 117000 nodes, 19518 on tree, -7.38535e+07 best solution, best possible -7.39286e+07 (441.47 seconds) After 118000 nodes, 19674 on tree, -7.38535e+07 best solution, best possible -7.3928e+07 (445.34 seconds) After 119000 nodes, 19818 on tree, -7.38535e+07 best solution, best possible -7.3928e+07 (447.06 seconds) After 120000 nodes, 19955 on tree, -7.38535e+07 best solution, best possible -7.3928e+07 (448.92 seconds) After 121000 nodes, 20009 on tree, -7.38535e+07 best solution, best possible -7.3928e+07 (449.76 seconds) After 122000 nodes, 20154 on tree, -7.38535e+07 best solution, best possible -7.39274e+07 (453.60 seconds) After 123000 nodes, 20253 on tree, -7.38535e+07 best solution, best possible -7.39274e+07 (455.54 seconds) After 124000 nodes, 20349 on tree, -7.38535e+07 best solution, best possible -7.39274e+07 (457.36 seconds) After 125000 nodes, 20370 on tree, -7.38535e+07 best solution, best possible -7.39274e+07 (458.22 seconds) After 126000 nodes, 20524 on tree, -7.38535e+07 best solution, best possible -7.39268e+07 (462.33 seconds) After 127000 nodes, 20558 on tree, -7.38535e+07 best solution, best possible -7.39268e+07 (463.89 seconds) After 128000 nodes, 20658 on tree, -7.38535e+07 best solution, best possible -7.39268e+07 (465.70 seconds) After 129000 nodes, 20666 on tree, -7.38535e+07 best solution, best possible -7.39268e+07 (466.61 seconds) After 130000 nodes, 20808 on tree, -7.38535e+07 best solution, best possible -7.39261e+07 (470.74 seconds) After 131000 nodes, 20933 on tree, -7.38535e+07 best solution, best possible -7.39261e+07 (472.36 seconds) After 132000 nodes, 21044 on tree, -7.38535e+07 best solution, best possible -7.39261e+07 (474.13 seconds) After 133000 nodes, 21093 on tree, -7.38535e+07 best solution, best possible -7.39261e+07 (474.97 seconds) After 134000 nodes, 21260 on tree, -7.38535e+07 best solution, best possible -7.39255e+07 (478.74 seconds) After 135000 nodes, 21332 on tree, -7.38535e+07 best solution, best possible -7.39255e+07 (480.57 seconds) After 136000 nodes, 21515 on tree, -7.38535e+07 best solution, best possible -7.39255e+07 (482.04 seconds) After 137000 nodes, 21438 on tree, -7.38535e+07 best solution, best possible -7.39255e+07 (482.86 seconds) After 138000 nodes, 21580 on tree, -7.38535e+07 best solution, best possible -7.39249e+07 (486.79 seconds) After 139000 nodes, 21663 on tree, -7.38535e+07 best solution, best possible -7.39249e+07 (488.39 seconds) After 140000 nodes, 21726 on tree, -7.38535e+07 best solution, best possible -7.39249e+07 (490.18 seconds) Integer solution of -7.38535e+07 found after 2114653 iterations and 140228 nodes (490.37 seconds) Full problem 92 rows 1025 columns, reduced to 52 rows 163 columns After 141000 nodes, 21633 on tree, -7.38535e+07 best solution, best possible -7.39244e+07 (493.44 seconds) After 142000 nodes, 21743 on tree, -7.38535e+07 best solution, best possible -7.39238e+07 (496.96 seconds) After 143000 nodes, 21874 on tree, -7.38535e+07 best solution, best possible -7.39238e+07 (499.24 seconds) After 144000 nodes, 22047 on tree, -7.38535e+07 best solution, best possible -7.39238e+07 (501.18 seconds) Integer solution of -7.38535e+07 found after 2151454 iterations and 144173 nodes (501.31 seconds) Full problem 92 rows 1025 columns, reduced to 52 rows 163 columns After 145000 nodes, 22155 on tree, -7.38535e+07 best solution, best possible -7.39234e+07 (504.83 seconds) After 146000 nodes, 22297 on tree, -7.38535e+07 best solution, best possible -7.39228e+07 (508.60 seconds) After 147000 nodes, 22606 on tree, -7.38535e+07 best solution, best possible -7.39228e+07 (510.63 seconds) After 148000 nodes, 22804 on tree, -7.38535e+07 best solution, best possible -7.39228e+07 (512.44 seconds) Full problem 92 rows 1025 columns, reduced to 52 rows 170 columns After 149000 nodes, 20147 on tree, -7.38622e+07 best solution, best possible -7.39223e+07 (516.28 seconds) After 150000 nodes, 20327 on tree, -7.38622e+07 best solution, best possible -7.39218e+07 (520.12 seconds) After 151000 nodes, 20407 on tree, -7.38622e+07 best solution, best possible -7.39218e+07 (521.39 seconds) After 152000 nodes, 20582 on tree, -7.38622e+07 best solution, best possible -7.39218e+07 (523.02 seconds) Full problem 92 rows 1025 columns, reduced to 52 rows 170 columns After 153000 nodes, 20681 on tree, -7.38623e+07 best solution, best possible -7.39218e+07 (524.82 seconds) After 154000 nodes, 20808 on tree, -7.38623e+07 best solution, best possible -7.39212e+07 (528.69 seconds) After 155000 nodes, 21013 on tree, -7.38623e+07 best solution, best possible -7.39212e+07 (530.31 seconds) After 156000 nodes, 21134 on tree, -7.38623e+07 best solution, best possible -7.39212e+07 (531.86 seconds) Integer solution of -7.38623e+07 found after 2249268 iterations and 156079 nodes (531.94 seconds) Full problem 92 rows 1025 columns, reduced to 52 rows 170 columns After 157000 nodes, 21302 on tree, -7.38623e+07 best solution, best possible -7.39208e+07 (535.37 seconds) After 158000 nodes, 21452 on tree, -7.38623e+07 best solution, best possible -7.39203e+07 (538.81 seconds) After 159000 nodes, 21413 on tree, -7.38623e+07 best solution, best possible -7.39203e+07 (540.45 seconds) After 160000 nodes, 21485 on tree, -7.38623e+07 best solution, best possible -7.39203e+07 (542.32 seconds) Integer solution of -7.38624e+07 found after 2284744 iterations and 160998 nodes (543.33 seconds) Full problem 92 rows 1025 columns, reduced to 52 rows 170 columns After 161000 nodes, 21517 on tree, -7.38624e+07 best solution, best possible -7.39203e+07 (543.63 seconds) After 162000 nodes, 21650 on tree, -7.38624e+07 best solution, best possible -7.39199e+07 (547.38 seconds) After 163000 nodes, 21678 on tree, -7.38624e+07 best solution, best possible -7.39199e+07 (549.02 seconds) After 164000 nodes, 21673 on tree, -7.38624e+07 best solution, best possible -7.39199e+07 (551.01 seconds) After 165000 nodes, 21734 on tree, -7.38624e+07 best solution, best possible -7.39199e+07 (551.91 seconds) After 166000 nodes, 21886 on tree, -7.38624e+07 best solution, best possible -7.39194e+07 (555.77 seconds) After 167000 nodes, 21954 on tree, -7.38624e+07 best solution, best possible -7.39194e+07 (557.86 seconds) After 168000 nodes, 21954 on tree, -7.38624e+07 best solution, best possible -7.39194e+07 (559.58 seconds) After 169000 nodes, 22033 on tree, -7.38624e+07 best solution, best possible -7.39194e+07 (560.55 seconds) After 170000 nodes, 22210 on tree, -7.38624e+07 best solution, best possible -7.39189e+07 (564.19 seconds) After 171000 nodes, 22405 on tree, -7.38624e+07 best solution, best possible -7.39189e+07 (565.86 seconds) After 172000 nodes, 22435 on tree, -7.38624e+07 best solution, best possible -7.39189e+07 (567.32 seconds) After 173000 nodes, 22487 on tree, -7.38624e+07 best solution, best possible -7.39189e+07 (568.27 seconds) After 174000 nodes, 22651 on tree, -7.38624e+07 best solution, best possible -7.39185e+07 (571.82 seconds) After 175000 nodes, 22629 on tree, -7.38624e+07 best solution, best possible -7.39185e+07 (573.04 seconds) After 176000 nodes, 22855 on tree, -7.38624e+07 best solution, best possible -7.39185e+07 (574.23 seconds) After 177000 nodes, 22891 on tree, -7.38624e+07 best solution, best possible -7.39185e+07 (575.21 seconds) After 178000 nodes, 23057 on tree, -7.38624e+07 best solution, best possible -7.3918e+07 (578.92 seconds) After 179000 nodes, 23135 on tree, -7.38624e+07 best solution, best possible -7.3918e+07 (580.62 seconds) After 180000 nodes, 23151 on tree, -7.38624e+07 best solution, best possible -7.3918e+07 (581.54 seconds) Integer solution of -7.38624e+07 found after 2407633 iterations and 180870 nodes (582.40 seconds) Full problem 92 rows 1025 columns, reduced to 52 rows 170 columns After 181000 nodes, 23217 on tree, -7.38624e+07 best solution, best possible -7.3918e+07 (583.24 seconds) Integer solution of -7.38624e+07 found after 2409805 iterations and 181123 nodes (583.35 seconds) Full problem 92 rows 1025 columns, reduced to 52 rows 170 columns After 182000 nodes, 23324 on tree, -7.38624e+07 best solution, best possible -7.39176e+07 (586.57 seconds) After 183000 nodes, 23376 on tree, -7.38624e+07 best solution, best possible -7.39176e+07 (587.52 seconds) Integer solution of -7.38624e+07 found after 2423053 iterations and 183440 nodes (587.97 seconds) Full problem 92 rows 1025 columns, reduced to 52 rows 170 columns After 184000 nodes, 23481 on tree, -7.38624e+07 best solution, best possible -7.39173e+07 (590.31 seconds) After 185000 nodes, 23520 on tree, -7.38624e+07 best solution, best possible -7.39173e+07 (591.23 seconds) Integer solution of -7.38624e+07 found after 2433086 iterations and 185180 nodes (591.40 seconds) Full problem 92 rows 1025 columns, reduced to 52 rows 170 columns After 186000 nodes, 23481 on tree, -7.38624e+07 best solution, best possible -7.39169e+07 (594.54 seconds) After 187000 nodes, 23565 on tree, -7.38624e+07 best solution, best possible -7.39169e+07 (595.57 seconds) After 188000 nodes, 23619 on tree, -7.38624e+07 best solution, best possible -7.39169e+07 (596.55 seconds) After 189000 nodes, 23669 on tree, -7.38624e+07 best solution, best possible -7.39169e+07 (597.50 seconds) After 190000 nodes, 23740 on tree, -7.38624e+07 best solution, best possible -7.39169e+07 (598.47 seconds) After 191000 nodes, 23793 on tree, -7.38624e+07 best solution, best possible -7.39169e+07 (599.43 seconds) After 192000 nodes, 23845 on tree, -7.38624e+07 best solution, best possible -7.39169e+07 (600.35 seconds) After 193000 nodes, 23912 on tree, -7.38624e+07 best solution, best possible -7.39169e+07 (601.30 seconds) After 194000 nodes, 23985 on tree, -7.38624e+07 best solution, best possible -7.39169e+07 (602.28 seconds) After 195000 nodes, 24070 on tree, -7.38624e+07 best solution, best possible -7.39169e+07 (603.29 seconds) After 196000 nodes, 24143 on tree, -7.38624e+07 best solution, best possible -7.39169e+07 (604.27 seconds) Integer solution of -7.38624e+07 found after 2458128 iterations and 196768 nodes (604.93 seconds) Full problem 92 rows 1025 columns, reduced to 52 rows 170 columns After 197000 nodes, 24134 on tree, -7.38624e+07 best solution, best possible -7.39168e+07 (606.04 seconds) After 198000 nodes, 24177 on tree, -7.38624e+07 best solution, best possible -7.39168e+07 (606.89 seconds) After 199000 nodes, 24235 on tree, -7.38624e+07 best solution, best possible -7.39168e+07 (607.78 seconds) After 200000 nodes, 24300 on tree, -7.38624e+07 best solution, best possible -7.39168e+07 (608.63 seconds) After 201000 nodes, 24364 on tree, -7.38624e+07 best solution, best possible -7.39168e+07 (609.47 seconds) After 202000 nodes, 24397 on tree, -7.38624e+07 best solution, best possible -7.39168e+07 (610.30 seconds) After 203000 nodes, 24460 on tree, -7.38624e+07 best solution, best possible -7.39168e+07 (611.17 seconds) After 204000 nodes, 24508 on tree, -7.38624e+07 best solution, best possible -7.39168e+07 (612.07 seconds) After 205000 nodes, 24557 on tree, -7.38624e+07 best solution, best possible -7.39168e+07 (612.96 seconds) After 206000 nodes, 24627 on tree, -7.38624e+07 best solution, best possible -7.39168e+07 (613.87 seconds) After 207000 nodes, 24706 on tree, -7.38624e+07 best solution, best possible -7.39168e+07 (614.76 seconds) After 208000 nodes, 24787 on tree, -7.38624e+07 best solution, best possible -7.39168e+07 (615.67 seconds) After 209000 nodes, 24859 on tree, -7.38624e+07 best solution, best possible -7.39168e+07 (616.57 seconds) After 210000 nodes, 24895 on tree, -7.38624e+07 best solution, best possible -7.39168e+07 (617.44 seconds) After 211000 nodes, 24938 on tree, -7.38624e+07 best solution, best possible -7.39168e+07 (618.33 seconds) After 212000 nodes, 25003 on tree, -7.38624e+07 best solution, best possible -7.39168e+07 (619.23 seconds) After 213000 nodes, 25052 on tree, -7.38624e+07 best solution, best possible -7.39168e+07 (620.08 seconds) After 214000 nodes, 25109 on tree, -7.38624e+07 best solution, best possible -7.39168e+07 (620.96 seconds) After 215000 nodes, 25163 on tree, -7.38624e+07 best solution, best possible -7.39168e+07 (621.85 seconds) After 216000 nodes, 25251 on tree, -7.38624e+07 best solution, best possible -7.39168e+07 (622.77 seconds) After 217000 nodes, 25317 on tree, -7.38624e+07 best solution, best possible -7.39168e+07 (623.67 seconds) After 218000 nodes, 25380 on tree, -7.38624e+07 best solution, best possible -7.39168e+07 (624.60 seconds) After 219000 nodes, 25434 on tree, -7.38624e+07 best solution, best possible -7.39168e+07 (625.46 seconds) Integer solution of -7.38625e+07 found after 2489795 iterations and 219095 nodes (625.54 seconds) Full problem 92 rows 1025 columns, reduced to 52 rows 170 columns After 220000 nodes, 24985 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (629.28 seconds) After 221000 nodes, 25061 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (630.10 seconds) After 222000 nodes, 25135 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (630.96 seconds) After 223000 nodes, 25242 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (631.79 seconds) After 224000 nodes, 25320 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (632.62 seconds) After 225000 nodes, 25378 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (633.48 seconds) After 226000 nodes, 25461 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (634.35 seconds) After 227000 nodes, 25463 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (635.32 seconds) After 228000 nodes, 25458 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (636.32 seconds) After 229000 nodes, 25380 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (637.23 seconds) After 230000 nodes, 25392 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (638.20 seconds) After 231000 nodes, 25387 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (639.12 seconds) Integer solution of -7.38625e+07 found after 2517472 iterations and 231772 nodes (639.65 seconds) Full problem 92 rows 1025 columns, reduced to 52 rows 170 columns After 232000 nodes, 25040 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (640.76 seconds) After 233000 nodes, 24835 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (641.62 seconds) After 234000 nodes, 24914 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (642.69 seconds) After 235000 nodes, 24958 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (643.77 seconds) After 236000 nodes, 24872 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (644.68 seconds) After 237000 nodes, 24885 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (645.74 seconds) After 238000 nodes, 24880 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (646.79 seconds) After 239000 nodes, 24888 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (647.84 seconds) After 240000 nodes, 24901 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (648.88 seconds) After 241000 nodes, 24903 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (649.95 seconds) After 242000 nodes, 24898 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (650.98 seconds) After 243000 nodes, 24980 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (652.04 seconds) After 244000 nodes, 24942 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (653.07 seconds) After 245000 nodes, 24943 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (654.04 seconds) After 246000 nodes, 24946 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (655.05 seconds) After 247000 nodes, 24957 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (656.04 seconds) After 248000 nodes, 24963 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (657.07 seconds) After 249000 nodes, 24963 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (658.06 seconds) After 250000 nodes, 24962 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (659.09 seconds) After 251000 nodes, 24974 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (660.12 seconds) After 252000 nodes, 25004 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (661.17 seconds) After 253000 nodes, 24997 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (662.23 seconds) After 254000 nodes, 25055 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (663.35 seconds) After 255000 nodes, 25124 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (664.47 seconds) After 256000 nodes, 25193 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (665.53 seconds) After 257000 nodes, 25211 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (666.54 seconds) After 258000 nodes, 25223 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (667.51 seconds) After 259000 nodes, 25276 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (668.56 seconds) After 260000 nodes, 25330 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (669.60 seconds) After 261000 nodes, 25358 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (670.62 seconds) After 262000 nodes, 25404 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (671.63 seconds) After 263000 nodes, 25455 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (672.65 seconds) After 264000 nodes, 25520 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (673.72 seconds) After 265000 nodes, 25588 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (674.75 seconds) After 266000 nodes, 25647 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (675.79 seconds) After 267000 nodes, 25691 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (676.79 seconds) After 268000 nodes, 25753 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (677.89 seconds) After 269000 nodes, 25812 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (678.96 seconds) After 270000 nodes, 25853 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (679.99 seconds) After 271000 nodes, 25858 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (680.97 seconds) After 272000 nodes, 25864 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (681.96 seconds) After 273000 nodes, 25866 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (682.91 seconds) After 274000 nodes, 25875 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (683.88 seconds) After 275000 nodes, 25690 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (684.83 seconds) After 276000 nodes, 25728 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (685.83 seconds) After 277000 nodes, 25734 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (686.83 seconds) After 278000 nodes, 25780 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (687.85 seconds) After 279000 nodes, 25791 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (688.84 seconds) After 280000 nodes, 25799 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (689.90 seconds) After 281000 nodes, 25842 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (690.97 seconds) After 282000 nodes, 25878 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (691.93 seconds) After 283000 nodes, 25842 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (692.90 seconds) After 284000 nodes, 25850 on tree, -7.38625e+07 best solution, best possible -7.39164e+07 (693.88 seconds) Integer solution of -7.38625e+07 found after 2591168 iterations and 284332 nodes (694.23 seconds) Full problem 92 rows 1025 columns, reduced to 52 rows 170 columns After 285000 nodes, 25375 on tree, -7.38625e+07 best solution, best possible -7.39161e+07 (696.98 seconds) After 286000 nodes, 25410 on tree, -7.38625e+07 best solution, best possible -7.39161e+07 (697.91 seconds) After 287000 nodes, 25458 on tree, -7.38625e+07 best solution, best possible -7.39161e+07 (698.90 seconds) After 288000 nodes, 25511 on tree, -7.38625e+07 best solution, best possible -7.39161e+07 (699.87 seconds) After 289000 nodes, 25544 on tree, -7.38625e+07 best solution, best possible -7.39161e+07 (700.86 seconds) After 290000 nodes, 25587 on tree, -7.38625e+07 best solution, best possible -7.39161e+07 (701.91 seconds) After 291000 nodes, 25606 on tree, -7.38625e+07 best solution, best possible -7.39161e+07 (702.95 seconds) After 292000 nodes, 25592 on tree, -7.38625e+07 best solution, best possible -7.39161e+07 (703.92 seconds) After 293000 nodes, 25600 on tree, -7.38625e+07 best solution, best possible -7.39161e+07 (704.91 seconds) After 294000 nodes, 25616 on tree, -7.38625e+07 best solution, best possible -7.39161e+07 (705.92 seconds) After 295000 nodes, 25675 on tree, -7.38625e+07 best solution, best possible -7.39161e+07 (707.02 seconds) After 296000 nodes, 25720 on tree, -7.38625e+07 best solution, best possible -7.39161e+07 (708.09 seconds) After 297000 nodes, 25775 on tree, -7.38625e+07 best solution, best possible -7.39161e+07 (709.14 seconds) After 298000 nodes, 25837 on tree, -7.38625e+07 best solution, best possible -7.39161e+07 (710.18 seconds) After 299000 nodes, 25896 on tree, -7.38625e+07 best solution, best possible -7.39161e+07 (711.25 seconds) After 300000 nodes, 25929 on tree, -7.38625e+07 best solution, best possible -7.39161e+07 (712.26 seconds) After 301000 nodes, 25966 on tree, -7.38625e+07 best solution, best possible -7.39161e+07 (713.25 seconds) After 302000 nodes, 25999 on tree, -7.38625e+07 best solution, best possible -7.39161e+07 (714.31 seconds) After 303000 nodes, 26035 on tree, -7.38625e+07 best solution, best possible -7.39161e+07 (715.36 seconds) After 304000 nodes, 26047 on tree, -7.38625e+07 best solution, best possible -7.39161e+07 (716.40 seconds) After 305000 nodes, 26064 on tree, -7.38625e+07 best solution, best possible -7.39161e+07 (717.51 seconds) After 306000 nodes, 26073 on tree, -7.38625e+07 best solution, best possible -7.39161e+07 (718.68 seconds) After 307000 nodes, 26098 on tree, -7.38625e+07 best solution, best possible -7.39161e+07 (719.71 seconds) After 308000 nodes, 26115 on tree, -7.38625e+07 best solution, best possible -7.39161e+07 (720.75 seconds) After 309000 nodes, 26132 on tree, -7.38625e+07 best solution, best possible -7.39161e+07 (721.81 seconds) After 310000 nodes, 26167 on tree, -7.38625e+07 best solution, best possible -7.39161e+07 (722.89 seconds) After 311000 nodes, 26164 on tree, -7.38625e+07 best solution, best possible -7.39161e+07 (723.91 seconds) After 312000 nodes, 26179 on tree, -7.38625e+07 best solution, best possible -7.39161e+07 (724.90 seconds) After 313000 nodes, 26181 on tree, -7.38625e+07 best solution, best possible -7.39161e+07 (725.89 seconds) After 314000 nodes, 26201 on tree, -7.38625e+07 best solution, best possible -7.39161e+07 (726.91 seconds) After 315000 nodes, 26250 on tree, -7.38625e+07 best solution, best possible -7.39161e+07 (727.93 seconds) After 316000 nodes, 26213 on tree, -7.38625e+07 best solution, best possible -7.39161e+07 (728.93 seconds) After 317000 nodes, 26217 on tree, -7.38625e+07 best solution, best possible -7.39161e+07 (729.93 seconds) After 318000 nodes, 26225 on tree, -7.38625e+07 best solution, best possible -7.39161e+07 (730.92 seconds) After 319000 nodes, 26237 on tree, -7.38625e+07 best solution, best possible -7.39161e+07 (731.90 seconds) After 320000 nodes, 26240 on tree, -7.38625e+07 best solution, best possible -7.39161e+07 (732.86 seconds) After 321000 nodes, 26286 on tree, -7.38625e+07 best solution, best possible -7.39161e+07 (733.94 seconds) After 322000 nodes, 26337 on tree, -7.38625e+07 best solution, best possible -7.39161e+07 (735.02 seconds) After 323000 nodes, 26358 on tree, -7.38625e+07 best solution, best possible -7.39161e+07 (736.05 seconds) After 324000 nodes, 26333 on tree, -7.38625e+07 best solution, best possible -7.39161e+07 (737.12 seconds) After 325000 nodes, 26329 on tree, -7.38625e+07 best solution, best possible -7.39161e+07 (738.15 seconds) After 326000 nodes, 26382 on tree, -7.38625e+07 best solution, best possible -7.39161e+07 (739.20 seconds) After 327000 nodes, 26437 on tree, -7.38625e+07 best solution, best possible -7.39161e+07 (740.23 seconds) After 328000 nodes, 26491 on tree, -7.38625e+07 best solution, best possible -7.39161e+07 (741.30 seconds) After 329000 nodes, 26517 on tree, -7.38625e+07 best solution, best possible -7.39161e+07 (742.36 seconds) After 330000 nodes, 26565 on tree, -7.38625e+07 best solution, best possible -7.39161e+07 (743.37 seconds) After 331000 nodes, 26590 on tree, -7.38625e+07 best solution, best possible -7.39161e+07 (744.47 seconds) After 332000 nodes, 26645 on tree, -7.38625e+07 best solution, best possible -7.39161e+07 (745.58 seconds) After 333000 nodes, 26672 on tree, -7.38625e+07 best solution, best possible -7.39161e+07 (746.63 seconds) After 334000 nodes, 26643 on tree, -7.38625e+07 best solution, best possible -7.39161e+07 (747.65 seconds) After 335000 nodes, 26647 on tree, -7.38625e+07 best solution, best possible -7.39161e+07 (748.71 seconds) After 336000 nodes, 26630 on tree, -7.38625e+07 best solution, best possible -7.39161e+07 (749.76 seconds) After 337000 nodes, 26662 on tree, -7.38625e+07 best solution, best possible -7.39161e+07 (750.84 seconds) Integer solution of -7.38625e+07 found after 2676598 iterations and 337720 nodes (751.57 seconds) Full problem 92 rows 1025 columns, reduced to 52 rows 170 columns After 338000 nodes, 26471 on tree, -7.38625e+07 best solution, best possible -7.3916e+07 (752.94 seconds) After 339000 nodes, 26512 on tree, -7.38625e+07 best solution, best possible -7.3916e+07 (753.91 seconds) After 340000 nodes, 26553 on tree, -7.38625e+07 best solution, best possible -7.3916e+07 (754.92 seconds) After 341000 nodes, 26626 on tree, -7.38625e+07 best solution, best possible -7.3916e+07 (755.96 seconds) After 342000 nodes, 26701 on tree, -7.38625e+07 best solution, best possible -7.3916e+07 (757.03 seconds) After 343000 nodes, 26754 on tree, -7.38625e+07 best solution, best possible -7.3916e+07 (758.07 seconds) After 344000 nodes, 26828 on tree, -7.38625e+07 best solution, best possible -7.3916e+07 (759.18 seconds) After 345000 nodes, 26873 on tree, -7.38625e+07 best solution, best possible -7.3916e+07 (760.24 seconds) After 346000 nodes, 26915 on tree, -7.38625e+07 best solution, best possible -7.3916e+07 (761.28 seconds) After 347000 nodes, 26726 on tree, -7.38625e+07 best solution, best possible -7.3916e+07 (762.05 seconds) After 348000 nodes, 26627 on tree, -7.38625e+07 best solution, best possible -7.3916e+07 (762.83 seconds) After 349000 nodes, 26506 on tree, -7.38625e+07 best solution, best possible -7.3916e+07 (763.76 seconds) After 350000 nodes, 26579 on tree, -7.38625e+07 best solution, best possible -7.3916e+07 (764.86 seconds) After 351000 nodes, 26653 on tree, -7.38625e+07 best solution, best possible -7.3916e+07 (765.92 seconds) After 352000 nodes, 26672 on tree, -7.38625e+07 best solution, best possible -7.3916e+07 (767.05 seconds) After 353000 nodes, 26699 on tree, -7.38625e+07 best solution, best possible -7.3916e+07 (768.25 seconds) After 354000 nodes, 26776 on tree, -7.38625e+07 best solution, best possible -7.3916e+07 (769.35 seconds) After 355000 nodes, 26827 on tree, -7.38625e+07 best solution, best possible -7.3916e+07 (770.43 seconds) After 356000 nodes, 26918 on tree, -7.38625e+07 best solution, best possible -7.3916e+07 (771.52 seconds) After 357000 nodes, 26985 on tree, -7.38625e+07 best solution, best possible -7.3916e+07 (772.58 seconds) After 358000 nodes, 27041 on tree, -7.38625e+07 best solution, best possible -7.3916e+07 (773.66 seconds) After 359000 nodes, 27122 on tree, -7.38625e+07 best solution, best possible -7.3916e+07 (774.68 seconds) After 360000 nodes, 27217 on tree, -7.38625e+07 best solution, best possible -7.3916e+07 (775.75 seconds) After 361000 nodes, 27279 on tree, -7.38625e+07 best solution, best possible -7.3916e+07 (776.81 seconds) After 362000 nodes, 27375 on tree, -7.38625e+07 best solution, best possible -7.3916e+07 (777.94 seconds) After 363000 nodes, 27437 on tree, -7.38625e+07 best solution, best possible -7.3916e+07 (779.01 seconds) After 364000 nodes, 27409 on tree, -7.38625e+07 best solution, best possible -7.3916e+07 (779.98 seconds) After 365000 nodes, 27398 on tree, -7.38625e+07 best solution, best possible -7.3916e+07 (780.96 seconds) After 366000 nodes, 27415 on tree, -7.38625e+07 best solution, best possible -7.3916e+07 (781.98 seconds) After 367000 nodes, 27429 on tree, -7.38625e+07 best solution, best possible -7.3916e+07 (783.04 seconds) After 368000 nodes, 27448 on tree, -7.38625e+07 best solution, best possible -7.3916e+07 (784.11 seconds) After 369000 nodes, 27510 on tree, -7.38625e+07 best solution, best possible -7.3916e+07 (785.24 seconds) After 370000 nodes, 27604 on tree, -7.38625e+07 best solution, best possible -7.3916e+07 (786.32 seconds) After 371000 nodes, 27683 on tree, -7.38625e+07 best solution, best possible -7.3916e+07 (787.37 seconds) After 372000 nodes, 27771 on tree, -7.38625e+07 best solution, best possible -7.3916e+07 (788.44 seconds) After 373000 nodes, 27869 on tree, -7.38625e+07 best solution, best possible -7.3916e+07 (789.54 seconds) After 374000 nodes, 27942 on tree, -7.38625e+07 best solution, best possible -7.3916e+07 (790.55 seconds) After 375000 nodes, 28008 on tree, -7.38625e+07 best solution, best possible -7.3916e+07 (791.61 seconds) After 376000 nodes, 28072 on tree, -7.38625e+07 best solution, best possible -7.3916e+07 (792.67 seconds) After 377000 nodes, 28154 on tree, -7.38625e+07 best solution, best possible -7.3916e+07 (793.78 seconds) After 378000 nodes, 28228 on tree, -7.38625e+07 best solution, best possible -7.3916e+07 (794.89 seconds) Integer solution of -7.38625e+07 found after 2740689 iterations and 378843 nodes (795.81 seconds) Full problem 92 rows 1025 columns, reduced to 52 rows 170 columns After 379000 nodes, 27743 on tree, -7.38625e+07 best solution, best possible -7.39159e+07 (796.68 seconds) After 380000 nodes, 27708 on tree, -7.38625e+07 best solution, best possible -7.39159e+07 (797.71 seconds) After 381000 nodes, 27731 on tree, -7.38625e+07 best solution, best possible -7.39159e+07 (798.79 seconds) After 382000 nodes, 27810 on tree, -7.38625e+07 best solution, best possible -7.39159e+07 (799.88 seconds) After 383000 nodes, 27884 on tree, -7.38625e+07 best solution, best possible -7.39159e+07 (800.95 seconds) After 384000 nodes, 27937 on tree, -7.38625e+07 best solution, best possible -7.39159e+07 (802.00 seconds) After 385000 nodes, 28032 on tree, -7.38625e+07 best solution, best possible -7.39159e+07 (803.04 seconds) After 386000 nodes, 28099 on tree, -7.38625e+07 best solution, best possible -7.39159e+07 (804.06 seconds) After 387000 nodes, 28197 on tree, -7.38625e+07 best solution, best possible -7.39159e+07 (805.13 seconds) After 388000 nodes, 28274 on tree, -7.38625e+07 best solution, best possible -7.39159e+07 (806.19 seconds) After 389000 nodes, 28349 on tree, -7.38625e+07 best solution, best possible -7.39159e+07 (807.24 seconds) After 390000 nodes, 28435 on tree, -7.38625e+07 best solution, best possible -7.39159e+07 (808.34 seconds) After 391000 nodes, 28557 on tree, -7.38625e+07 best solution, best possible -7.39159e+07 (809.43 seconds) After 392000 nodes, 28681 on tree, -7.38625e+07 best solution, best possible -7.39159e+07 (810.53 seconds) After 393000 nodes, 28762 on tree, -7.38625e+07 best solution, best possible -7.39159e+07 (811.63 seconds) After 394000 nodes, 28776 on tree, -7.38625e+07 best solution, best possible -7.39159e+07 (812.69 seconds) After 395000 nodes, 28776 on tree, -7.38625e+07 best solution, best possible -7.39159e+07 (813.80 seconds) After 396000 nodes, 28668 on tree, -7.38625e+07 best solution, best possible -7.39159e+07 (814.74 seconds) After 397000 nodes, 28638 on tree, -7.38625e+07 best solution, best possible -7.39159e+07 (815.63 seconds) After 398000 nodes, 28609 on tree, -7.38625e+07 best solution, best possible -7.39159e+07 (816.53 seconds) After 399000 nodes, 28607 on tree, -7.38625e+07 best solution, best possible -7.39159e+07 (817.43 seconds) After 400000 nodes, 28633 on tree, -7.38625e+07 best solution, best possible -7.39159e+07 (818.35 seconds) After 401000 nodes, 28643 on tree, -7.38625e+07 best solution, best possible -7.39159e+07 (819.25 seconds) After 402000 nodes, 28659 on tree, -7.38625e+07 best solution, best possible -7.39159e+07 (820.14 seconds) After 403000 nodes, 28675 on tree, -7.38625e+07 best solution, best possible -7.39159e+07 (821.07 seconds) After 404000 nodes, 28696 on tree, -7.38625e+07 best solution, best possible -7.39159e+07 (822.02 seconds) After 405000 nodes, 28693 on tree, -7.38625e+07 best solution, best possible -7.39159e+07 (822.90 seconds) After 406000 nodes, 28721 on tree, -7.38625e+07 best solution, best possible -7.39159e+07 (823.83 seconds) After 407000 nodes, 28735 on tree, -7.38625e+07 best solution, best possible -7.39159e+07 (824.74 seconds) After 408000 nodes, 28735 on tree, -7.38625e+07 best solution, best possible -7.39159e+07 (825.67 seconds) After 409000 nodes, 28728 on tree, -7.38625e+07 best solution, best possible -7.39159e+07 (826.68 seconds) After 410000 nodes, 28706 on tree, -7.38625e+07 best solution, best possible -7.39159e+07 (827.64 seconds) After 411000 nodes, 28709 on tree, -7.38625e+07 best solution, best possible -7.39159e+07 (828.60 seconds) After 412000 nodes, 28720 on tree, -7.38625e+07 best solution, best possible -7.39159e+07 (829.51 seconds) After 413000 nodes, 28728 on tree, -7.38625e+07 best solution, best possible -7.39159e+07 (830.41 seconds) After 414000 nodes, 28734 on tree, -7.38625e+07 best solution, best possible -7.39159e+07 (831.40 seconds) After 415000 nodes, 28744 on tree, -7.38625e+07 best solution, best possible -7.39159e+07 (832.32 seconds) After 416000 nodes, 28772 on tree, -7.38625e+07 best solution, best possible -7.39159e+07 (833.26 seconds) Integer solution of -7.38659e+07 found after 2799269 iterations and 416665 nodes (833.86 seconds) Full problem 92 rows 1025 columns, reduced to 52 rows 172 columns After 417000 nodes, 27308 on tree, -7.38659e+07 best solution, best possible -7.39158e+07 (835.56 seconds) Integer solution of -7.38663e+07 found after 2803679 iterations and 417109 nodes (835.66 seconds) Full problem 92 rows 1025 columns, reduced to 52 rows 172 columns After 418000 nodes, 27340 on tree, -7.38663e+07 best solution, best possible -7.39154e+07 (839.06 seconds) Integer solution of -7.38691e+07 found after 2814699 iterations and 418075 nodes (839.14 seconds) Full problem 92 rows 1025 columns, reduced to 52 rows 173 columns After 419000 nodes, 21922 on tree, -7.38691e+07 best solution, best possible -7.39151e+07 (843.30 seconds) After 420000 nodes, 22046 on tree, -7.38691e+07 best solution, best possible -7.39151e+07 (845.56 seconds) Full problem 92 rows 1025 columns, reduced to 52 rows 173 columns After 421000 nodes, 21816 on tree, -7.38702e+07 best solution, best possible -7.39148e+07 (849.22 seconds) Strong branching is fixing too many variables, too expensively! After 422000 nodes, 21986 on tree, -7.38702e+07 best solution, best possible -7.39145e+07 (852.87 seconds) After 423000 nodes, 22003 on tree, -7.38702e+07 best solution, best possible -7.39145e+07 (854.66 seconds) After 424000 nodes, 22010 on tree, -7.38702e+07 best solution, best possible -7.39145e+07 (856.14 seconds) After 425000 nodes, 22083 on tree, -7.38702e+07 best solution, best possible -7.39145e+07 (857.29 seconds) After 426000 nodes, 22203 on tree, -7.38702e+07 best solution, best possible -7.39141e+07 (861.04 seconds) After 427000 nodes, 22254 on tree, -7.38702e+07 best solution, best possible -7.39141e+07 (862.63 seconds) After 428000 nodes, 22266 on tree, -7.38702e+07 best solution, best possible -7.39141e+07 (863.85 seconds) After 429000 nodes, 22291 on tree, -7.38702e+07 best solution, best possible -7.39141e+07 (864.89 seconds) After 430000 nodes, 22490 on tree, -7.38702e+07 best solution, best possible -7.39137e+07 (868.59 seconds) After 431000 nodes, 22566 on tree, -7.38702e+07 best solution, best possible -7.39137e+07 (869.87 seconds) After 432000 nodes, 22653 on tree, -7.38702e+07 best solution, best possible -7.39137e+07 (871.16 seconds) After 433000 nodes, 22672 on tree, -7.38702e+07 best solution, best possible -7.39137e+07 (872.21 seconds) After 434000 nodes, 22807 on tree, -7.38702e+07 best solution, best possible -7.39133e+07 (875.81 seconds) After 435000 nodes, 22705 on tree, -7.38702e+07 best solution, best possible -7.39133e+07 (876.90 seconds) After 436000 nodes, 22742 on tree, -7.38702e+07 best solution, best possible -7.39133e+07 (878.43 seconds) Integer solution of -7.38703e+07 found after 2936786 iterations and 436999 nodes (879.41 seconds) After 437000 nodes, 22776 on tree, -7.38703e+07 best solution, best possible -7.39133e+07 (879.44 seconds) Full problem 92 rows 1025 columns, reduced to 52 rows 173 columns After 438000 nodes, 22914 on tree, -7.38703e+07 best solution, best possible -7.3913e+07 (883.08 seconds) After 439000 nodes, 22966 on tree, -7.38703e+07 best solution, best possible -7.3913e+07 (884.57 seconds) After 440000 nodes, 22950 on tree, -7.38703e+07 best solution, best possible -7.3913e+07 (886.25 seconds) After 441000 nodes, 22970 on tree, -7.38703e+07 best solution, best possible -7.3913e+07 (887.16 seconds) After 442000 nodes, 23115 on tree, -7.38703e+07 best solution, best possible -7.39127e+07 (890.39 seconds) After 443000 nodes, 23161 on tree, -7.38703e+07 best solution, best possible -7.39127e+07 (892.08 seconds) After 444000 nodes, 23204 on tree, -7.38703e+07 best solution, best possible -7.39127e+07 (893.09 seconds) After 445000 nodes, 23257 on tree, -7.38703e+07 best solution, best possible -7.39127e+07 (894.12 seconds) After 446000 nodes, 23300 on tree, -7.38703e+07 best solution, best possible -7.39127e+07 (895.10 seconds) After 447000 nodes, 23355 on tree, -7.38703e+07 best solution, best possible -7.39127e+07 (896.14 seconds) After 448000 nodes, 23394 on tree, -7.38703e+07 best solution, best possible -7.39127e+07 (897.12 seconds) After 449000 nodes, 23449 on tree, -7.38703e+07 best solution, best possible -7.39127e+07 (898.14 seconds) Full problem 92 rows 1025 columns, reduced to 52 rows 173 columns After 450000 nodes, 23508 on tree, -7.38703e+07 best solution, best possible -7.39126e+07 (899.82 seconds) After 451000 nodes, 23549 on tree, -7.38703e+07 best solution, best possible -7.39126e+07 (900.80 seconds) After 452000 nodes, 23590 on tree, -7.38703e+07 best solution, best possible -7.39126e+07 (901.80 seconds) After 453000 nodes, 23633 on tree, -7.38703e+07 best solution, best possible -7.39126e+07 (902.81 seconds) Full problem 92 rows 1025 columns, reduced to 52 rows 173 columns After 454000 nodes, 23551 on tree, -7.38703e+07 best solution, best possible -7.39125e+07 (905.25 seconds) Integer solution of -7.38703e+07 found after 2997725 iterations and 454400 nodes (905.64 seconds) Full problem 92 rows 1025 columns, reduced to 52 rows 173 columns After 455000 nodes, 23558 on tree, -7.38703e+07 best solution, best possible -7.39123e+07 (907.84 seconds) After 456000 nodes, 23603 on tree, -7.38703e+07 best solution, best possible -7.39123e+07 (908.77 seconds) After 457000 nodes, 23684 on tree, -7.38703e+07 best solution, best possible -7.39123e+07 (909.82 seconds) After 458000 nodes, 23756 on tree, -7.38703e+07 best solution, best possible -7.39123e+07 (910.87 seconds) After 459000 nodes, 23808 on tree, -7.38703e+07 best solution, best possible -7.39123e+07 (911.88 seconds) After 460000 nodes, 23879 on tree, -7.38703e+07 best solution, best possible -7.39123e+07 (912.93 seconds) After 461000 nodes, 23952 on tree, -7.38703e+07 best solution, best possible -7.39123e+07 (913.97 seconds) After 462000 nodes, 24025 on tree, -7.38703e+07 best solution, best possible -7.39123e+07 (915.04 seconds) After 463000 nodes, 24111 on tree, -7.38703e+07 best solution, best possible -7.39123e+07 (916.11 seconds) After 464000 nodes, 24183 on tree, -7.38703e+07 best solution, best possible -7.39123e+07 (917.19 seconds) After 465000 nodes, 24267 on tree, -7.38703e+07 best solution, best possible -7.39123e+07 (918.28 seconds) After 466000 nodes, 24320 on tree, -7.38703e+07 best solution, best possible -7.39123e+07 (919.28 seconds) After 467000 nodes, 24380 on tree, -7.38703e+07 best solution, best possible -7.39123e+07 (920.31 seconds) After 468000 nodes, 24427 on tree, -7.38703e+07 best solution, best possible -7.39123e+07 (921.30 seconds) After 469000 nodes, 24471 on tree, -7.38703e+07 best solution, best possible -7.39123e+07 (922.29 seconds) After 470000 nodes, 24519 on tree, -7.38703e+07 best solution, best possible -7.39123e+07 (923.29 seconds) After 471000 nodes, 24571 on tree, -7.38703e+07 best solution, best possible -7.39123e+07 (924.38 seconds) After 472000 nodes, 24607 on tree, -7.38703e+07 best solution, best possible -7.39123e+07 (925.41 seconds) After 473000 nodes, 24674 on tree, -7.38703e+07 best solution, best possible -7.39123e+07 (926.48 seconds) After 474000 nodes, 24730 on tree, -7.38703e+07 best solution, best possible -7.39123e+07 (927.54 seconds) After 475000 nodes, 24799 on tree, -7.38703e+07 best solution, best possible -7.39123e+07 (928.59 seconds) After 476000 nodes, 24857 on tree, -7.38703e+07 best solution, best possible -7.39123e+07 (929.66 seconds) After 477000 nodes, 24905 on tree, -7.38703e+07 best solution, best possible -7.39123e+07 (930.72 seconds) After 478000 nodes, 24978 on tree, -7.38703e+07 best solution, best possible -7.39123e+07 (931.76 seconds) After 479000 nodes, 25042 on tree, -7.38703e+07 best solution, best possible -7.39123e+07 (932.79 seconds) After 480000 nodes, 25089 on tree, -7.38703e+07 best solution, best possible -7.39123e+07 (933.79 seconds) After 481000 nodes, 25154 on tree, -7.38703e+07 best solution, best possible -7.39123e+07 (934.79 seconds) After 482000 nodes, 25216 on tree, -7.38703e+07 best solution, best possible -7.39123e+07 (935.85 seconds) Integer solution of -7.38707e+07 found after 3040880 iterations and 483000 nodes (936.89 seconds) After 483000 nodes, 23009 on tree, -7.38707e+07 best solution, best possible -7.39123e+07 (937.04 seconds) Full problem 92 rows 1025 columns, reduced to 52 rows 174 columns After 484000 nodes, 23076 on tree, -7.38707e+07 best solution, best possible -7.39123e+07 (938.79 seconds) Integer solution of -7.38708e+07 found after 3045208 iterations and 484340 nodes (939.18 seconds) Full problem 92 rows 1025 columns, reduced to 52 rows 174 columns After 485000 nodes, 23174 on tree, -7.38708e+07 best solution, best possible -7.39121e+07 (941.71 seconds) Integer solution of -7.38708e+07 found after 3053916 iterations and 485283 nodes (942.00 seconds) Full problem 92 rows 1025 columns, reduced to 52 rows 174 columns After 486000 nodes, 23299 on tree, -7.38708e+07 best solution, best possible -7.39118e+07 (944.86 seconds) Integer solution of -7.3871e+07 found after 3064507 iterations and 486494 nodes (945.36 seconds) Full problem 92 rows 1025 columns, reduced to 52 rows 174 columns After 487000 nodes, 23300 on tree, -7.3871e+07 best solution, best possible -7.39117e+07 (947.43 seconds) Integer solution of -7.3871e+07 found by rounding after 3070976 iterations and 487397 nodes (947.78 seconds) Full problem 92 rows 1025 columns, reduced to 52 rows 174 columns After 488000 nodes, 23406 on tree, -7.3871e+07 best solution, best possible -7.39115e+07 (950.07 seconds) Integer solution of -7.38711e+07 found by rounding after 3078739 iterations and 488112 nodes (950.19 seconds) Full problem 92 rows 1025 columns, reduced to 52 rows 174 columns After 489000 nodes, 23506 on tree, -7.38711e+07 best solution, best possible -7.39112e+07 (953.40 seconds) Integer solution of -7.38712e+07 found after 3089783 iterations and 489364 nodes (953.72 seconds) Full problem 92 rows 1025 columns, reduced to 52 rows 174 columns After 490000 nodes, 23584 on tree, -7.38712e+07 best solution, best possible -7.3911e+07 (956.17 seconds) Integer solution of -7.38714e+07 found after 3098020 iterations and 490104 nodes (956.26 seconds) Full problem 92 rows 1025 columns, reduced to 52 rows 174 columns After 491000 nodes, 23622 on tree, -7.38714e+07 best solution, best possible -7.39108e+07 (959.46 seconds) Integer solution of -7.38715e+07 found after 3109235 iterations and 491266 nodes (959.70 seconds) Full problem 92 rows 1025 columns, reduced to 52 rows 174 columns After 492000 nodes, 23693 on tree, -7.38715e+07 best solution, best possible -7.39105e+07 (962.44 seconds) After 493000 nodes, 23775 on tree, -7.38715e+07 best solution, best possible -7.39105e+07 (963.40 seconds) After 494000 nodes, 23825 on tree, -7.38715e+07 best solution, best possible -7.39105e+07 (964.34 seconds) After 495000 nodes, 23893 on tree, -7.38715e+07 best solution, best possible -7.39105e+07 (965.32 seconds) After 496000 nodes, 23959 on tree, -7.38715e+07 best solution, best possible -7.39105e+07 (966.29 seconds) After 497000 nodes, 24067 on tree, -7.38715e+07 best solution, best possible -7.39105e+07 (967.25 seconds) Integer solution of -7.38715e+07 found after 3127113 iterations and 497327 nodes (967.57 seconds) Full problem 92 rows 1025 columns, reduced to 52 rows 174 columns After 498000 nodes, 24104 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (970.10 seconds) After 499000 nodes, 24179 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (970.96 seconds) After 500000 nodes, 24261 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (971.85 seconds) After 501000 nodes, 24328 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (972.68 seconds) After 502000 nodes, 24399 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (973.59 seconds) After 503000 nodes, 24483 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (974.53 seconds) After 504000 nodes, 24550 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (975.45 seconds) After 505000 nodes, 24621 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (976.39 seconds) After 506000 nodes, 24685 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (977.31 seconds) After 507000 nodes, 24751 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (978.25 seconds) After 508000 nodes, 24824 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (979.18 seconds) After 509000 nodes, 24902 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (980.13 seconds) After 510000 nodes, 24987 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (981.07 seconds) After 511000 nodes, 25095 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (982.04 seconds) After 512000 nodes, 25168 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (982.96 seconds) After 513000 nodes, 25232 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (983.95 seconds) After 514000 nodes, 25321 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (984.92 seconds) After 515000 nodes, 25391 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (985.85 seconds) After 516000 nodes, 25470 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (986.80 seconds) After 517000 nodes, 25530 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (987.76 seconds) After 518000 nodes, 25633 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (988.76 seconds) After 519000 nodes, 25701 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (989.71 seconds) After 520000 nodes, 25800 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (990.69 seconds) After 521000 nodes, 25852 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (991.62 seconds) After 522000 nodes, 25918 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (992.56 seconds) After 523000 nodes, 25963 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (993.45 seconds) After 524000 nodes, 26023 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (994.38 seconds) After 525000 nodes, 26060 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (995.29 seconds) After 526000 nodes, 26113 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (996.20 seconds) After 527000 nodes, 26169 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (997.11 seconds) After 528000 nodes, 26226 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (997.99 seconds) After 529000 nodes, 26257 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (998.87 seconds) After 530000 nodes, 26307 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (999.77 seconds) After 531000 nodes, 26396 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (1000.75 seconds) After 532000 nodes, 26463 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (1001.63 seconds) After 533000 nodes, 26525 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (1002.55 seconds) After 534000 nodes, 26596 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (1003.43 seconds) After 535000 nodes, 26659 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (1004.37 seconds) After 536000 nodes, 26716 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (1005.25 seconds) After 537000 nodes, 26762 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (1006.12 seconds) After 538000 nodes, 26813 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (1007.09 seconds) After 539000 nodes, 26861 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (1008.01 seconds) After 540000 nodes, 26921 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (1008.94 seconds) After 541000 nodes, 26960 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (1009.86 seconds) After 542000 nodes, 27002 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (1010.78 seconds) After 543000 nodes, 27086 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (1011.78 seconds) After 544000 nodes, 27143 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (1012.74 seconds) After 545000 nodes, 27233 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (1013.74 seconds) After 546000 nodes, 27333 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (1014.70 seconds) After 547000 nodes, 27411 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (1015.68 seconds) After 548000 nodes, 27476 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (1016.60 seconds) After 549000 nodes, 27578 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (1017.59 seconds) After 550000 nodes, 27641 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (1018.51 seconds) After 551000 nodes, 27716 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (1019.48 seconds) After 552000 nodes, 27799 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (1020.42 seconds) After 553000 nodes, 27882 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (1021.39 seconds) After 554000 nodes, 27940 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (1022.30 seconds) After 555000 nodes, 27987 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (1023.23 seconds) After 556000 nodes, 28070 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (1024.23 seconds) After 557000 nodes, 28159 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (1025.18 seconds) After 558000 nodes, 28224 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (1026.12 seconds) After 559000 nodes, 28289 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (1027.10 seconds) After 560000 nodes, 28323 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (1028.00 seconds) After 561000 nodes, 28368 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (1028.91 seconds) After 562000 nodes, 28408 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (1029.83 seconds) After 563000 nodes, 28463 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (1030.73 seconds) After 564000 nodes, 28540 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (1031.72 seconds) After 565000 nodes, 28628 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (1032.66 seconds) After 566000 nodes, 28709 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (1033.62 seconds) After 567000 nodes, 28790 on tree, -7.38715e+07 best solution, best possible -7.39103e+07 (1034.58 seconds) Full problem 92 rows 1025 columns, reduced to 52 rows 174 columns After 568000 nodes, 28304 on tree, -7.38715e+07 best solution, best possible -7.39102e+07 (1036.86 seconds) After 569000 nodes, 28383 on tree, -7.38715e+07 best solution, best possible -7.39102e+07 (1037.86 seconds) After 570000 nodes, 28465 on tree, -7.38715e+07 best solution, best possible -7.39102e+07 (1038.83 seconds) After 571000 nodes, 28534 on tree, -7.38715e+07 best solution, best possible -7.39102e+07 (1039.78 seconds) After 572000 nodes, 28627 on tree, -7.38715e+07 best solution, best possible -7.39102e+07 (1040.79 seconds) After 573000 nodes, 28712 on tree, -7.38715e+07 best solution, best possible -7.39102e+07 (1041.80 seconds) After 574000 nodes, 28805 on tree, -7.38715e+07 best solution, best possible -7.39102e+07 (1042.73 seconds) After 575000 nodes, 28888 on tree, -7.38715e+07 best solution, best possible -7.39102e+07 (1043.71 seconds) After 576000 nodes, 28963 on tree, -7.38715e+07 best solution, best possible -7.39102e+07 (1044.63 seconds) After 577000 nodes, 29018 on tree, -7.38715e+07 best solution, best possible -7.39102e+07 (1045.57 seconds) After 578000 nodes, 29098 on tree, -7.38715e+07 best solution, best possible -7.39102e+07 (1046.59 seconds) After 579000 nodes, 29154 on tree, -7.38715e+07 best solution, best possible -7.39102e+07 (1047.55 seconds) After 580000 nodes, 29234 on tree, -7.38715e+07 best solution, best possible -7.39102e+07 (1048.54 seconds) After 581000 nodes, 29309 on tree, -7.38715e+07 best solution, best possible -7.39102e+07 (1049.47 seconds) After 582000 nodes, 29397 on tree, -7.38715e+07 best solution, best possible -7.39102e+07 (1050.43 seconds) After 583000 nodes, 29486 on tree, -7.38715e+07 best solution, best possible -7.39102e+07 (1051.43 seconds) Integer solution of -7.38715e+07 found after 3257043 iterations and 583840 nodes (1052.23 seconds) Full problem 92 rows 1025 columns, reduced to 52 rows 174 columns After 584000 nodes, 28351 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1053.19 seconds) After 585000 nodes, 28422 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1054.21 seconds) After 586000 nodes, 28499 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1055.25 seconds) After 587000 nodes, 28579 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1056.29 seconds) After 588000 nodes, 28655 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1057.33 seconds) After 589000 nodes, 28725 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1058.27 seconds) After 590000 nodes, 28816 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1059.27 seconds) After 591000 nodes, 28898 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1060.32 seconds) After 592000 nodes, 28990 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1061.33 seconds) After 593000 nodes, 29052 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1062.33 seconds) After 594000 nodes, 29121 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1063.29 seconds) After 595000 nodes, 29185 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1064.26 seconds) After 596000 nodes, 29261 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1065.25 seconds) After 597000 nodes, 29330 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1066.22 seconds) After 598000 nodes, 29393 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1067.21 seconds) After 599000 nodes, 29436 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1068.15 seconds) After 600000 nodes, 29529 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1069.13 seconds) After 601000 nodes, 29592 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1070.10 seconds) After 602000 nodes, 29659 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1071.09 seconds) After 603000 nodes, 29746 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1072.10 seconds) After 604000 nodes, 29813 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1073.10 seconds) After 605000 nodes, 29884 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1074.12 seconds) After 606000 nodes, 29983 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1075.11 seconds) After 607000 nodes, 30069 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1076.08 seconds) After 608000 nodes, 30138 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1077.10 seconds) After 609000 nodes, 30230 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1078.14 seconds) After 610000 nodes, 30276 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1079.06 seconds) After 611000 nodes, 30342 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1080.03 seconds) After 612000 nodes, 30423 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1081.02 seconds) After 613000 nodes, 30477 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1081.98 seconds) After 614000 nodes, 30547 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1082.93 seconds) After 615000 nodes, 30605 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1083.88 seconds) After 616000 nodes, 30687 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1084.89 seconds) After 617000 nodes, 30747 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1085.83 seconds) After 618000 nodes, 30807 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1086.82 seconds) After 619000 nodes, 30868 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1087.81 seconds) After 620000 nodes, 30928 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1088.78 seconds) After 621000 nodes, 30998 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1089.78 seconds) After 622000 nodes, 31085 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1090.77 seconds) After 623000 nodes, 31171 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1091.83 seconds) After 624000 nodes, 31260 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1092.83 seconds) After 625000 nodes, 31357 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1093.88 seconds) After 626000 nodes, 31435 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1094.86 seconds) After 627000 nodes, 31501 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1095.82 seconds) After 628000 nodes, 31610 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1096.86 seconds) After 629000 nodes, 31678 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1097.85 seconds) After 630000 nodes, 31745 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1098.83 seconds) After 631000 nodes, 31812 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1099.80 seconds) After 632000 nodes, 31881 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1100.79 seconds) After 633000 nodes, 31965 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1101.80 seconds) After 634000 nodes, 32048 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1102.80 seconds) After 635000 nodes, 32095 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1103.73 seconds) After 636000 nodes, 32177 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1104.71 seconds) After 637000 nodes, 32247 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1105.69 seconds) Integer solution of -7.38715e+07 found after 3336191 iterations and 637919 nodes (1106.63 seconds) Full problem 92 rows 1025 columns, reduced to 52 rows 174 columns After 638000 nodes, 29496 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1107.44 seconds) After 639000 nodes, 29596 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1108.46 seconds) After 640000 nodes, 29697 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1109.51 seconds) After 641000 nodes, 29776 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1110.51 seconds) After 642000 nodes, 29854 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1111.51 seconds) After 643000 nodes, 29932 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1112.52 seconds) After 644000 nodes, 30008 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1113.53 seconds) After 645000 nodes, 30076 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1114.53 seconds) After 646000 nodes, 30163 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1115.55 seconds) After 647000 nodes, 30228 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1116.55 seconds) After 648000 nodes, 30291 on tree, -7.38715e+07 best solution, best possible -7.39101e+07 (1117.53 seconds) Integer solution of -7.38715e+07 found by rounding after 3350345 iterations and 648253 nodes (1117.75 seconds) Full problem 92 rows 1025 columns, reduced to 52 rows 174 columns After 649000 nodes, 27881 on tree, -7.38715e+07 best solution, best possible -7.39099e+07 (1120.73 seconds) After 650000 nodes, 27974 on tree, -7.38715e+07 best solution, best possible -7.39099e+07 (1121.76 seconds) After 651000 nodes, 28053 on tree, -7.38715e+07 best solution, best possible -7.39099e+07 (1122.76 seconds) After 652000 nodes, 28129 on tree, -7.38715e+07 best solution, best possible -7.39099e+07 (1123.80 seconds) After 653000 nodes, 28198 on tree, -7.38715e+07 best solution, best possible -7.39099e+07 (1124.78 seconds) After 654000 nodes, 28292 on tree, -7.38715e+07 best solution, best possible -7.39099e+07 (1125.81 seconds) After 655000 nodes, 28372 on tree, -7.38715e+07 best solution, best possible -7.39099e+07 (1126.83 seconds) After 656000 nodes, 28439 on tree, -7.38715e+07 best solution, best possible -7.39099e+07 (1127.81 seconds) After 657000 nodes, 28527 on tree, -7.38715e+07 best solution, best possible -7.39099e+07 (1128.85 seconds) After 658000 nodes, 28624 on tree, -7.38715e+07 best solution, best possible -7.39099e+07 (1129.89 seconds) After 659000 nodes, 28610 on tree, -7.38715e+07 best solution, best possible -7.39099e+07 (1130.88 seconds) After 660000 nodes, 28329 on tree, -7.38715e+07 best solution, best possible -7.39099e+07 (1131.59 seconds) After 661000 nodes, 28142 on tree, -7.38715e+07 best solution, best possible -7.39099e+07 (1132.37 seconds) After 662000 nodes, 27892 on tree, -7.38715e+07 best solution, best possible -7.39099e+07 (1133.40 seconds) After 663000 nodes, 27530 on tree, -7.38715e+07 best solution, best possible -7.39099e+07 (1134.57 seconds) After 664000 nodes, 27540 on tree, -7.38715e+07 best solution, best possible -7.39099e+07 (1135.66 seconds) After 665000 nodes, 27028 on tree, -7.38715e+07 best solution, best possible -7.39099e+07 (1136.71 seconds) After 666000 nodes, 27037 on tree, -7.38715e+07 best solution, best possible -7.39099e+07 (1137.69 seconds) After 667000 nodes, 27052 on tree, -7.38715e+07 best solution, best possible -7.39099e+07 (1138.69 seconds) After 668000 nodes, 27014 on tree, -7.38715e+07 best solution, best possible -7.39099e+07 (1139.70 seconds) After 669000 nodes, 26600 on tree, -7.38715e+07 best solution, best possible -7.39099e+07 (1140.60 seconds) After 670000 nodes, 26301 on tree, -7.38715e+07 best solution, best possible -7.39099e+07 (1141.52 seconds) After 671000 nodes, 26302 on tree, -7.38715e+07 best solution, best possible -7.39099e+07 (1142.40 seconds) After 672000 nodes, 26307 on tree, -7.38715e+07 best solution, best possible -7.39099e+07 (1143.33 seconds) Integer solution of -7.38715e+07 found after 3389901 iterations and 672479 nodes (1143.77 seconds) Full problem 92 rows 1025 columns, reduced to 52 rows 174 columns After 673000 nodes, 25950 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1145.90 seconds) After 674000 nodes, 25952 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1146.63 seconds) After 675000 nodes, 25844 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1147.37 seconds) After 676000 nodes, 25543 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1148.10 seconds) After 677000 nodes, 25249 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1148.80 seconds) After 678000 nodes, 25196 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1149.72 seconds) After 679000 nodes, 25199 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1150.58 seconds) After 680000 nodes, 25198 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1151.47 seconds) After 681000 nodes, 25176 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1152.36 seconds) After 682000 nodes, 24946 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1153.24 seconds) After 683000 nodes, 24736 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1154.08 seconds) After 684000 nodes, 24616 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1155.00 seconds) After 685000 nodes, 24584 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1156.06 seconds) After 686000 nodes, 24596 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1157.11 seconds) After 687000 nodes, 24566 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1158.06 seconds) After 688000 nodes, 24547 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1159.12 seconds) After 689000 nodes, 24553 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1160.19 seconds) After 690000 nodes, 24565 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1161.22 seconds) After 691000 nodes, 24568 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1162.22 seconds) After 692000 nodes, 24567 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1163.19 seconds) After 693000 nodes, 24558 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1164.13 seconds) After 694000 nodes, 24553 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1165.17 seconds) After 695000 nodes, 24543 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1166.21 seconds) After 696000 nodes, 24552 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1167.22 seconds) After 697000 nodes, 24556 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1168.26 seconds) After 698000 nodes, 24569 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1169.29 seconds) After 699000 nodes, 24576 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1170.33 seconds) After 700000 nodes, 24576 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1171.31 seconds) After 701000 nodes, 24579 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1172.32 seconds) After 702000 nodes, 24579 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1173.35 seconds) After 703000 nodes, 24573 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1174.31 seconds) After 704000 nodes, 24573 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1175.36 seconds) After 705000 nodes, 24579 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1176.37 seconds) After 706000 nodes, 24575 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1177.39 seconds) After 707000 nodes, 24563 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1178.39 seconds) After 708000 nodes, 24569 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1179.41 seconds) After 709000 nodes, 24579 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1180.43 seconds) After 710000 nodes, 24576 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1181.41 seconds) After 711000 nodes, 24580 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1182.43 seconds) After 712000 nodes, 24592 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1183.41 seconds) After 713000 nodes, 24586 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1184.41 seconds) After 714000 nodes, 24592 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1185.44 seconds) After 715000 nodes, 24608 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1186.44 seconds) After 716000 nodes, 24614 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1187.44 seconds) After 717000 nodes, 24620 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1188.44 seconds) After 718000 nodes, 24613 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1189.40 seconds) After 719000 nodes, 24614 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1190.41 seconds) After 720000 nodes, 24624 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1191.43 seconds) After 721000 nodes, 24628 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1192.45 seconds) After 722000 nodes, 24628 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1193.41 seconds) After 723000 nodes, 24631 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1194.38 seconds) After 724000 nodes, 24629 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1195.41 seconds) After 725000 nodes, 24630 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1196.42 seconds) After 726000 nodes, 24632 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1197.43 seconds) After 727000 nodes, 24644 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1198.47 seconds) After 728000 nodes, 24639 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1199.42 seconds) After 729000 nodes, 24650 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1200.41 seconds) After 730000 nodes, 24678 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1201.42 seconds) After 731000 nodes, 24682 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1202.38 seconds) After 732000 nodes, 24672 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1203.36 seconds) After 733000 nodes, 24687 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1204.31 seconds) After 734000 nodes, 24691 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1205.31 seconds) After 735000 nodes, 24699 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1206.26 seconds) After 736000 nodes, 24702 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1207.28 seconds) After 737000 nodes, 24709 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1208.34 seconds) After 738000 nodes, 24728 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1209.34 seconds) After 739000 nodes, 24734 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1210.34 seconds) After 740000 nodes, 24722 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1211.28 seconds) After 741000 nodes, 24775 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1212.31 seconds) After 742000 nodes, 24751 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1213.28 seconds) After 743000 nodes, 24758 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1214.27 seconds) After 744000 nodes, 24783 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1215.28 seconds) After 745000 nodes, 24785 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1216.27 seconds) After 746000 nodes, 24781 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1217.28 seconds) After 747000 nodes, 24783 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1218.31 seconds) After 748000 nodes, 24840 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1219.33 seconds) After 749000 nodes, 24793 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1220.30 seconds) After 750000 nodes, 24858 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1221.32 seconds) After 751000 nodes, 24810 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1222.30 seconds) After 752000 nodes, 24829 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1223.30 seconds) After 753000 nodes, 24824 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1224.24 seconds) After 754000 nodes, 24846 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1225.22 seconds) After 755000 nodes, 24865 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1226.26 seconds) After 756000 nodes, 24846 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1227.18 seconds) After 757000 nodes, 24873 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1228.16 seconds) After 758000 nodes, 24858 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1229.12 seconds) After 759000 nodes, 24900 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1230.10 seconds) After 760000 nodes, 24919 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1231.08 seconds) After 761000 nodes, 24891 on tree, -7.38715e+07 best solution, best possible -7.39097e+07 (1232.02 seconds) Integer solution of -7.38715e+07 found after 3511205 iterations and 761168 nodes (1232.18 seconds) Full problem 92 rows 1025 columns, reduced to 52 rows 174 columns After 762000 nodes, 24424 on tree, -7.38715e+07 best solution, best possible -7.39095e+07 (1235.51 seconds) After 763000 nodes, 24427 on tree, -7.38715e+07 best solution, best possible -7.39095e+07 (1236.38 seconds) After 764000 nodes, 24163 on tree, -7.38715e+07 best solution, best possible -7.39095e+07 (1237.25 seconds) After 765000 nodes, 23897 on tree, -7.38715e+07 best solution, best possible -7.39095e+07 (1238.18 seconds) After 766000 nodes, 23602 on tree, -7.38715e+07 best solution, best possible -7.39095e+07 (1239.07 seconds) After 767000 nodes, 23360 on tree, -7.38715e+07 best solution, best possible -7.39095e+07 (1239.97 seconds) After 768000 nodes, 23214 on tree, -7.38715e+07 best solution, best possible -7.39095e+07 (1240.93 seconds) After 769000 nodes, 23138 on tree, -7.38715e+07 best solution, best possible -7.39095e+07 (1241.82 seconds) After 770000 nodes, 22976 on tree, -7.38715e+07 best solution, best possible -7.39095e+07 (1242.67 seconds) After 771000 nodes, 22973 on tree, -7.38715e+07 best solution, best possible -7.39095e+07 (1244.60 seconds) After 772000 nodes, 22924 on tree, -7.38715e+07 best solution, best possible -7.39095e+07 (1246.27 seconds) Integer solution of -7.38717e+07 found after 3542485 iterations and 772311 nodes (1246.55 seconds) Full problem 92 rows 1025 columns, reduced to 52 rows 174 columns After 773000 nodes, 22750 on tree, -7.38717e+07 best solution, best possible -7.39092e+07 (1249.19 seconds) After 774000 nodes, 22876 on tree, -7.38717e+07 best solution, best possible -7.39089e+07 (1252.53 seconds) After 775000 nodes, 22817 on tree, -7.38717e+07 best solution, best possible -7.39089e+07 (1254.19 seconds) After 776000 nodes, 23207 on tree, -7.38717e+07 best solution, best possible -7.39089e+07 (1255.59 seconds) Integer solution of -7.38723e+07 found after 3569493 iterations and 776035 nodes (1255.63 seconds) Full problem 92 rows 1025 columns, reduced to 52 rows 174 columns After 777000 nodes, 23104 on tree, -7.38723e+07 best solution, best possible -7.39087e+07 (1259.39 seconds) After 778000 nodes, 23184 on tree, -7.38723e+07 best solution, best possible -7.39084e+07 (1262.91 seconds) After 779000 nodes, 23225 on tree, -7.38723e+07 best solution, best possible -7.39084e+07 (1263.75 seconds) Integer solution of -7.38723e+07 found after 3594053 iterations and 779036 nodes (1263.79 seconds) Full problem 92 rows 1025 columns, reduced to 52 rows 174 columns After 780000 nodes, 23296 on tree, -7.38723e+07 best solution, best possible -7.39081e+07 (1267.50 seconds) After 781000 nodes, 23349 on tree, -7.38723e+07 best solution, best possible -7.39081e+07 (1268.40 seconds) After 782000 nodes, 23386 on tree, -7.38723e+07 best solution, best possible -7.39081e+07 (1269.30 seconds) After 783000 nodes, 23460 on tree, -7.38723e+07 best solution, best possible -7.39081e+07 (1270.17 seconds) Integer solution of -7.38723e+07 found after 3609020 iterations and 783201 nodes (1270.34 seconds) Full problem 92 rows 1025 columns, reduced to 52 rows 174 columns After 784000 nodes, 23545 on tree, -7.38723e+07 best solution, best possible -7.39079e+07 (1273.09 seconds) After 785000 nodes, 23593 on tree, -7.38723e+07 best solution, best possible -7.39079e+07 (1273.98 seconds) After 786000 nodes, 23640 on tree, -7.38723e+07 best solution, best possible -7.39079e+07 (1274.88 seconds) After 787000 nodes, 23681 on tree, -7.38723e+07 best solution, best possible -7.39079e+07 (1275.75 seconds) After 788000 nodes, 23719 on tree, -7.38723e+07 best solution, best possible -7.39079e+07 (1276.59 seconds) After 789000 nodes, 23759 on tree, -7.38723e+07 best solution, best possible -7.39079e+07 (1277.46 seconds) After 790000 nodes, 23808 on tree, -7.38723e+07 best solution, best possible -7.39079e+07 (1278.30 seconds) After 791000 nodes, 23867 on tree, -7.38723e+07 best solution, best possible -7.39079e+07 (1279.24 seconds) After 792000 nodes, 23899 on tree, -7.38723e+07 best solution, best possible -7.39079e+07 (1280.13 seconds) Integer solution of -7.38724e+07 found after 3628436 iterations and 792138 nodes (1280.24 seconds) Full problem 92 rows 1025 columns, reduced to 52 rows 174 columns After 793000 nodes, 23991 on tree, -7.38724e+07 best solution, best possible -7.39077e+07 (1283.18 seconds) Integer solution of -7.38724e+07 found after 3638207 iterations and 793445 nodes (1283.55 seconds) Full problem 92 rows 1025 columns, reduced to 52 rows 174 columns After 794000 nodes, 24056 on tree, -7.38724e+07 best solution, best possible -7.39075e+07 (1285.78 seconds) After 795000 nodes, 24107 on tree, -7.38724e+07 best solution, best possible -7.39075e+07 (1286.70 seconds) After 796000 nodes, 24162 on tree, -7.38724e+07 best solution, best possible -7.39075e+07 (1287.57 seconds) After 797000 nodes, 24220 on tree, -7.38724e+07 best solution, best possible -7.39075e+07 (1288.43 seconds) After 798000 nodes, 24257 on tree, -7.38724e+07 best solution, best possible -7.39075e+07 (1289.30 seconds) After 799000 nodes, 24307 on tree, -7.38724e+07 best solution, best possible -7.39075e+07 (1290.17 seconds) After 800000 nodes, 24341 on tree, -7.38724e+07 best solution, best possible -7.39075e+07 (1291.02 seconds) Integer solution of -7.38724e+07 found after 3652674 iterations and 800019 nodes (1291.03 seconds) Full problem 92 rows 1025 columns, reduced to 52 rows 174 columns After 801000 nodes, 24203 on tree, -7.38724e+07 best solution, best possible -7.39072e+07 (1294.41 seconds) After 802000 nodes, 24253 on tree, -7.38724e+07 best solution, best possible -7.39072e+07 (1295.26 seconds) After 803000 nodes, 24287 on tree, -7.38724e+07 best solution, best possible -7.39072e+07 (1296.21 seconds) After 804000 nodes, 24327 on tree, -7.38724e+07 best solution, best possible -7.39072e+07 (1297.19 seconds) After 805000 nodes, 24358 on tree, -7.38724e+07 best solution, best possible -7.39072e+07 (1298.08 seconds) After 806000 nodes, 24388 on tree, -7.38724e+07 best solution, best possible -7.39072e+07 (1299.01 seconds) After 807000 nodes, 24449 on tree, -7.38724e+07 best solution, best possible -7.39072e+07 (1299.95 seconds) After 808000 nodes, 24483 on tree, -7.38724e+07 best solution, best possible -7.39072e+07 (1300.94 seconds) After 809000 nodes, 24529 on tree, -7.38724e+07 best solution, best possible -7.39072e+07 (1301.87 seconds) After 810000 nodes, 24574 on tree, -7.38724e+07 best solution, best possible -7.39072e+07 (1302.81 seconds) After 811000 nodes, 24635 on tree, -7.38724e+07 best solution, best possible -7.39072e+07 (1303.80 seconds) After 812000 nodes, 24687 on tree, -7.38724e+07 best solution, best possible -7.39072e+07 (1304.74 seconds) After 813000 nodes, 24740 on tree, -7.38724e+07 best solution, best possible -7.39072e+07 (1305.73 seconds) After 814000 nodes, 24801 on tree, -7.38724e+07 best solution, best possible -7.39072e+07 (1306.68 seconds) After 815000 nodes, 24839 on tree, -7.38724e+07 best solution, best possible -7.39072e+07 (1307.70 seconds) After 816000 nodes, 24893 on tree, -7.38724e+07 best solution, best possible -7.39072e+07 (1308.66 seconds) After 817000 nodes, 24969 on tree, -7.38724e+07 best solution, best possible -7.39072e+07 (1309.64 seconds) After 818000 nodes, 25007 on tree, -7.38724e+07 best solution, best possible -7.39072e+07 (1310.58 seconds) After 819000 nodes, 25059 on tree, -7.38724e+07 best solution, best possible -7.39072e+07 (1311.51 seconds) Integer solution of -7.38724e+07 found after 3688575 iterations and 819700 nodes (1312.14 seconds) Full problem 92 rows 1025 columns, reduced to 52 rows 174 columns After 820000 nodes, 24519 on tree, -7.38724e+07 best solution, best possible -7.39072e+07 (1313.43 seconds) After 821000 nodes, 24544 on tree, -7.38724e+07 best solution, best possible -7.39072e+07 (1314.40 seconds) After 822000 nodes, 24593 on tree, -7.38724e+07 best solution, best possible -7.39072e+07 (1315.39 seconds) After 823000 nodes, 24655 on tree, -7.38724e+07 best solution, best possible -7.39072e+07 (1316.34 seconds) After 824000 nodes, 24716 on tree, -7.38724e+07 best solution, best possible -7.39072e+07 (1317.29 seconds) After 825000 nodes, 24798 on tree, -7.38724e+07 best solution, best possible -7.39072e+07 (1318.25 seconds) After 826000 nodes, 24860 on tree, -7.38724e+07 best solution, best possible -7.39072e+07 (1319.21 seconds) Integer solution of -7.38724e+07 found after 3700325 iterations and 826280 nodes (1319.49 seconds) Full problem 92 rows 1025 columns, reduced to 52 rows 174 columns After 827000 nodes, 23764 on tree, -7.38724e+07 best solution, best possible -7.3907e+07 (1322.02 seconds) Integer solution of -7.38724e+07 found after 3708212 iterations and 827268 nodes (1322.28 seconds) Full problem 92 rows 1025 columns, reduced to 52 rows 174 columns After 828000 nodes, 23638 on tree, -7.38724e+07 best solution, best possible -7.39068e+07 (1324.78 seconds) After 829000 nodes, 23630 on tree, -7.38724e+07 best solution, best possible -7.39068e+07 (1325.82 seconds) After 830000 nodes, 23644 on tree, -7.38724e+07 best solution, best possible -7.39068e+07 (1326.83 seconds) After 831000 nodes, 23686 on tree, -7.38724e+07 best solution, best possible -7.39068e+07 (1327.86 seconds) After 832000 nodes, 23509 on tree, -7.38724e+07 best solution, best possible -7.39068e+07 (1328.78 seconds) After 833000 nodes, 23443 on tree, -7.38724e+07 best solution, best possible -7.39068e+07 (1329.66 seconds) After 834000 nodes, 23353 on tree, -7.38724e+07 best solution, best possible -7.39068e+07 (1330.67 seconds) After 835000 nodes, 23352 on tree, -7.38724e+07 best solution, best possible -7.39068e+07 (1331.63 seconds) After 836000 nodes, 23356 on tree, -7.38724e+07 best solution, best possible -7.39068e+07 (1332.66 seconds) After 837000 nodes, 23352 on tree, -7.38724e+07 best solution, best possible -7.39068e+07 (1333.70 seconds) After 838000 nodes, 23353 on tree, -7.38724e+07 best solution, best possible -7.39068e+07 (1334.64 seconds) After 839000 nodes, 23353 on tree, -7.38724e+07 best solution, best possible -7.39068e+07 (1335.62 seconds) After 840000 nodes, 23354 on tree, -7.38724e+07 best solution, best possible -7.39068e+07 (1336.60 seconds) After 841000 nodes, 23362 on tree, -7.38724e+07 best solution, best possible -7.39068e+07 (1337.58 seconds) After 842000 nodes, 23370 on tree, -7.38724e+07 best solution, best possible -7.39068e+07 (1338.58 seconds) After 843000 nodes, 23393 on tree, -7.38724e+07 best solution, best possible -7.39068e+07 (1339.61 seconds) After 844000 nodes, 23385 on tree, -7.38724e+07 best solution, best possible -7.39068e+07 (1340.60 seconds) After 845000 nodes, 23392 on tree, -7.38724e+07 best solution, best possible -7.39068e+07 (1341.62 seconds) After 846000 nodes, 23390 on tree, -7.38724e+07 best solution, best possible -7.39068e+07 (1342.62 seconds) After 847000 nodes, 23461 on tree, -7.38724e+07 best solution, best possible -7.39068e+07 (1343.66 seconds) After 848000 nodes, 23449 on tree, -7.38724e+07 best solution, best possible -7.39068e+07 (1344.63 seconds) After 849000 nodes, 23440 on tree, -7.38724e+07 best solution, best possible -7.39068e+07 (1345.60 seconds) After 850000 nodes, 23444 on tree, -7.38724e+07 best solution, best possible -7.39068e+07 (1346.60 seconds) After 851000 nodes, 23456 on tree, -7.38724e+07 best solution, best possible -7.39068e+07 (1347.61 seconds) After 852000 nodes, 23457 on tree, -7.38724e+07 best solution, best possible -7.39068e+07 (1348.62 seconds) After 853000 nodes, 23561 on tree, -7.38724e+07 best solution, best possible -7.39068e+07 (1349.70 seconds) After 854000 nodes, 23485 on tree, -7.38724e+07 best solution, best possible -7.39068e+07 (1350.60 seconds) After 855000 nodes, 23439 on tree, -7.38724e+07 best solution, best possible -7.39068e+07 (1351.58 seconds) After 856000 nodes, 23345 on tree, -7.38724e+07 best solution, best possible -7.39068e+07 (1352.58 seconds) After 857000 nodes, 23295 on tree, -7.38724e+07 best solution, best possible -7.39068e+07 (1353.52 seconds) After 858000 nodes, 23212 on tree, -7.38724e+07 best solution, best possible -7.39068e+07 (1354.50 seconds) After 859000 nodes, 23211 on tree, -7.38724e+07 best solution, best possible -7.39068e+07 (1355.47 seconds) After 860000 nodes, 23209 on tree, -7.38724e+07 best solution, best possible -7.39068e+07 (1356.52 seconds) After 861000 nodes, 23260 on tree, -7.38724e+07 best solution, best possible -7.39068e+07 (1357.64 seconds) After 862000 nodes, 23274 on tree, -7.38724e+07 best solution, best possible -7.39068e+07 (1358.67 seconds) After 863000 nodes, 23292 on tree, -7.38724e+07 best solution, best possible -7.39068e+07 (1359.71 seconds) After 864000 nodes, 23306 on tree, -7.38724e+07 best solution, best possible -7.39068e+07 (1360.78 seconds) After 865000 nodes, 23159 on tree, -7.38724e+07 best solution, best possible -7.39068e+07 (1361.72 seconds) After 866000 nodes, 23011 on tree, -7.38724e+07 best solution, best possible -7.39068e+07 (1362.63 seconds) After 867000 nodes, 23011 on tree, -7.38724e+07 best solution, best possible -7.39068e+07 (1364.42 seconds) After 868000 nodes, 22987 on tree, -7.38724e+07 best solution, best possible -7.39068e+07 (1365.76 seconds) After 869000 nodes, 22892 on tree, -7.38724e+07 best solution, best possible -7.39068e+07 (1366.69 seconds) After 870000 nodes, 22982 on tree, -7.38724e+07 best solution, best possible -7.39066e+07 (1369.88 seconds) After 871000 nodes, 22983 on tree, -7.38724e+07 best solution, best possible -7.39066e+07 (1371.37 seconds) After 872000 nodes, 23017 on tree, -7.38724e+07 best solution, best possible -7.39066e+07 (1372.85 seconds) After 873000 nodes, 22889 on tree, -7.38724e+07 best solution, best possible -7.39066e+07 (1373.77 seconds) After 874000 nodes, 22981 on tree, -7.38724e+07 best solution, best possible -7.39063e+07 (1376.99 seconds) After 875000 nodes, 23028 on tree, -7.38724e+07 best solution, best possible -7.39063e+07 (1378.03 seconds) After 876000 nodes, 23048 on tree, -7.38724e+07 best solution, best possible -7.39063e+07 (1379.04 seconds) After 877000 nodes, 23046 on tree, -7.38724e+07 best solution, best possible -7.39063e+07 (1380.00 seconds) After 878000 nodes, 23119 on tree, -7.38724e+07 best solution, best possible -7.39061e+07 (1383.25 seconds) After 879000 nodes, 23179 on tree, -7.38724e+07 best solution, best possible -7.39061e+07 (1384.31 seconds) After 880000 nodes, 23168 on tree, -7.38724e+07 best solution, best possible -7.39061e+07 (1385.15 seconds) After 881000 nodes, 23136 on tree, -7.38724e+07 best solution, best possible -7.39061e+07 (1386.01 seconds) After 882000 nodes, 23141 on tree, -7.38724e+07 best solution, best possible -7.39061e+07 (1386.93 seconds) After 883000 nodes, 23115 on tree, -7.38724e+07 best solution, best possible -7.39061e+07 (1387.79 seconds) After 884000 nodes, 23170 on tree, -7.38724e+07 best solution, best possible -7.39061e+07 (1388.81 seconds) After 885000 nodes, 23150 on tree, -7.38724e+07 best solution, best possible -7.39061e+07 (1389.73 seconds) After 886000 nodes, 23133 on tree, -7.38724e+07 best solution, best possible -7.39061e+07 (1390.63 seconds) After 887000 nodes, 23063 on tree, -7.38724e+07 best solution, best possible -7.39061e+07 (1391.57 seconds) After 888000 nodes, 23095 on tree, -7.38724e+07 best solution, best possible -7.39061e+07 (1392.64 seconds) After 889000 nodes, 23055 on tree, -7.38724e+07 best solution, best possible -7.39061e+07 (1393.57 seconds) After 890000 nodes, 23143 on tree, -7.38724e+07 best solution, best possible -7.39058e+07 (1396.64 seconds) After 891000 nodes, 23145 on tree, -7.38724e+07 best solution, best possible -7.39058e+07 (1397.56 seconds) After 892000 nodes, 23121 on tree, -7.38724e+07 best solution, best possible -7.39058e+07 (1398.50 seconds) After 893000 nodes, 23014 on tree, -7.38724e+07 best solution, best possible -7.39058e+07 (1399.43 seconds) After 894000 nodes, 23127 on tree, -7.38724e+07 best solution, best possible -7.39056e+07 (1402.41 seconds) Integer solution of -7.38777e+07 found by rounding after 3866548 iterations and 894185 nodes (1402.75 seconds) Full problem 92 rows 1025 columns, reduced to 52 rows 175 columns Integer solution of -7.38796e+07 found by combine solutions after 3866552 iterations and 894186 nodes (1403.27 seconds) After 895000 nodes, 18461 on tree, -7.38796e+07 best solution, best possible -7.39054e+07 (1406.15 seconds) Integer solution of -7.38837e+07 found after 3874444 iterations and 895120 nodes (1406.31 seconds) Full problem 92 rows 1025 columns, reduced to 52 rows 175 columns After 896000 nodes, 16156 on tree, -7.38837e+07 best solution, best possible -7.39052e+07 (1409.62 seconds) Integer solution of -7.38884e+07 found after 3882592 iterations and 896017 nodes (1409.64 seconds) Full problem 92 rows 1025 columns, reduced to 52 rows 175 columns After 897000 nodes, 13363 on tree, -7.38884e+07 best solution, best possible -7.3905e+07 (1412.85 seconds) After 898000 nodes, 13363 on tree, -7.38884e+07 best solution, best possible -7.39048e+07 (1415.60 seconds) Integer solution of -7.38894e+07 found after 3896868 iterations and 898053 nodes (1415.69 seconds) Full problem 92 rows 1025 columns, reduced to 52 rows 175 columns After 899000 nodes, 12797 on tree, -7.38894e+07 best solution, best possible -7.39046e+07 (1418.94 seconds) After 900000 nodes, 13040 on tree, -7.38894e+07 best solution, best possible -7.39046e+07 (1420.23 seconds) Integer solution of -7.38895e+07 found after 3907454 iterations and 900530 nodes (1420.78 seconds) Full problem 92 rows 1025 columns, reduced to 52 rows 175 columns After 901000 nodes, 12912 on tree, -7.38895e+07 best solution, best possible -7.39044e+07 (1422.53 seconds) After 902000 nodes, 12848 on tree, -7.38895e+07 best solution, best possible -7.39042e+07 (1425.64 seconds) After 903000 nodes, 13102 on tree, -7.38895e+07 best solution, best possible -7.39042e+07 (1426.95 seconds) After 904000 nodes, 13275 on tree, -7.38895e+07 best solution, best possible -7.39042e+07 (1428.01 seconds) After 905000 nodes, 13068 on tree, -7.38895e+07 best solution, best possible -7.39042e+07 (1428.95 seconds) After 906000 nodes, 12994 on tree, -7.38895e+07 best solution, best possible -7.3904e+07 (1431.93 seconds) After 907000 nodes, 12996 on tree, -7.38895e+07 best solution, best possible -7.3904e+07 (1432.88 seconds) After 908000 nodes, 13032 on tree, -7.38895e+07 best solution, best possible -7.3904e+07 (1433.93 seconds) After 909000 nodes, 12884 on tree, -7.38895e+07 best solution, best possible -7.3904e+07 (1434.84 seconds) After 910000 nodes, 12822 on tree, -7.38895e+07 best solution, best possible -7.39038e+07 (1437.68 seconds) After 911000 nodes, 12917 on tree, -7.38895e+07 best solution, best possible -7.39038e+07 (1438.82 seconds) After 912000 nodes, 13067 on tree, -7.38895e+07 best solution, best possible -7.39038e+07 (1439.99 seconds) After 913000 nodes, 12946 on tree, -7.38895e+07 best solution, best possible -7.39038e+07 (1440.89 seconds) After 914000 nodes, 12877 on tree, -7.38895e+07 best solution, best possible -7.39035e+07 (1443.80 seconds) Integer solution of -7.38895e+07 found after 3956084 iterations and 914520 nodes (1444.45 seconds) Full problem 92 rows 1025 columns, reduced to 52 rows 175 columns After 915000 nodes, 12862 on tree, -7.38895e+07 best solution, best possible -7.39034e+07 (1446.03 seconds) After 916000 nodes, 12946 on tree, -7.38895e+07 best solution, best possible -7.39034e+07 (1447.11 seconds) After 917000 nodes, 12839 on tree, -7.38895e+07 best solution, best possible -7.39034e+07 (1447.97 seconds) After 918000 nodes, 12762 on tree, -7.38895e+07 best solution, best possible -7.39032e+07 (1450.78 seconds) After 919000 nodes, 12848 on tree, -7.38895e+07 best solution, best possible -7.39032e+07 (1451.90 seconds) After 920000 nodes, 12926 on tree, -7.38895e+07 best solution, best possible -7.39032e+07 (1453.09 seconds) After 921000 nodes, 12803 on tree, -7.38895e+07 best solution, best possible -7.39032e+07 (1454.05 seconds) After 922000 nodes, 12738 on tree, -7.38895e+07 best solution, best possible -7.3903e+07 (1456.93 seconds) After 923000 nodes, 12817 on tree, -7.38895e+07 best solution, best possible -7.3903e+07 (1458.00 seconds) After 924000 nodes, 12890 on tree, -7.38895e+07 best solution, best possible -7.3903e+07 (1459.20 seconds) After 925000 nodes, 12828 on tree, -7.38895e+07 best solution, best possible -7.3903e+07 (1460.16 seconds) After 926000 nodes, 12751 on tree, -7.38895e+07 best solution, best possible -7.39027e+07 (1462.87 seconds) Integer solution of -7.38895e+07 found after 3991785 iterations and 926394 nodes (1463.28 seconds) Full problem 92 rows 1025 columns, reduced to 52 rows 175 columns After 927000 nodes, 12479 on tree, -7.38895e+07 best solution, best possible -7.39026e+07 (1465.30 seconds) After 928000 nodes, 12399 on tree, -7.38895e+07 best solution, best possible -7.39026e+07 (1466.30 seconds) After 929000 nodes, 12237 on tree, -7.38895e+07 best solution, best possible -7.39026e+07 (1467.42 seconds) After 930000 nodes, 12125 on tree, -7.38895e+07 best solution, best possible -7.39024e+07 (1470.37 seconds) After 931000 nodes, 12161 on tree, -7.38895e+07 best solution, best possible -7.39024e+07 (1471.40 seconds) After 932000 nodes, 12154 on tree, -7.38895e+07 best solution, best possible -7.39024e+07 (1472.43 seconds) After 933000 nodes, 12009 on tree, -7.38895e+07 best solution, best possible -7.39024e+07 (1473.31 seconds) After 934000 nodes, 11929 on tree, -7.38895e+07 best solution, best possible -7.39022e+07 (1476.11 seconds) After 935000 nodes, 11902 on tree, -7.38895e+07 best solution, best possible -7.39022e+07 (1477.05 seconds) After 936000 nodes, 11863 on tree, -7.38895e+07 best solution, best possible -7.39022e+07 (1478.04 seconds) After 937000 nodes, 11828 on tree, -7.38895e+07 best solution, best possible -7.39022e+07 (1479.02 seconds) After 938000 nodes, 11735 on tree, -7.38895e+07 best solution, best possible -7.39019e+07 (1481.76 seconds) After 939000 nodes, 12221 on tree, -7.38895e+07 best solution, best possible -7.39019e+07 (1483.20 seconds) After 940000 nodes, 12714 on tree, -7.38895e+07 best solution, best possible -7.39019e+07 (1484.66 seconds) After 941000 nodes, 12713 on tree, -7.38895e+07 best solution, best possible -7.39019e+07 (1485.71 seconds) After 942000 nodes, 12611 on tree, -7.38895e+07 best solution, best possible -7.39017e+07 (1488.43 seconds) After 943000 nodes, 13064 on tree, -7.38895e+07 best solution, best possible -7.39017e+07 (1489.87 seconds) After 944000 nodes, 13487 on tree, -7.38895e+07 best solution, best possible -7.39017e+07 (1491.35 seconds) After 945000 nodes, 13382 on tree, -7.38895e+07 best solution, best possible -7.39017e+07 (1492.43 seconds) After 946000 nodes, 13291 on tree, -7.38895e+07 best solution, best possible -7.39015e+07 (1495.29 seconds) After 947000 nodes, 13730 on tree, -7.38895e+07 best solution, best possible -7.39015e+07 (1496.77 seconds) After 948000 nodes, 14114 on tree, -7.38895e+07 best solution, best possible -7.39015e+07 (1498.25 seconds) After 949000 nodes, 13952 on tree, -7.38895e+07 best solution, best possible -7.39015e+07 (1499.17 seconds) After 950000 nodes, 13863 on tree, -7.38895e+07 best solution, best possible -7.39013e+07 (1501.86 seconds) After 951000 nodes, 14262 on tree, -7.38895e+07 best solution, best possible -7.39013e+07 (1503.39 seconds) After 952000 nodes, 14605 on tree, -7.38895e+07 best solution, best possible -7.39013e+07 (1504.81 seconds) After 953000 nodes, 14482 on tree, -7.38895e+07 best solution, best possible -7.39013e+07 (1505.72 seconds) After 954000 nodes, 14374 on tree, -7.38895e+07 best solution, best possible -7.39011e+07 (1508.29 seconds) After 955000 nodes, 14708 on tree, -7.38895e+07 best solution, best possible -7.39011e+07 (1509.79 seconds) After 956000 nodes, 14992 on tree, -7.38895e+07 best solution, best possible -7.39011e+07 (1511.23 seconds) After 957000 nodes, 14773 on tree, -7.38895e+07 best solution, best possible -7.39011e+07 (1512.24 seconds) After 958000 nodes, 14638 on tree, -7.38895e+07 best solution, best possible -7.39008e+07 (1514.85 seconds) After 959000 nodes, 14918 on tree, -7.38895e+07 best solution, best possible -7.39008e+07 (1516.23 seconds) After 960000 nodes, 15145 on tree, -7.38895e+07 best solution, best possible -7.39008e+07 (1517.56 seconds) After 961000 nodes, 14939 on tree, -7.38895e+07 best solution, best possible -7.39008e+07 (1518.52 seconds) After 962000 nodes, 14797 on tree, -7.38895e+07 best solution, best possible -7.39006e+07 (1521.21 seconds) After 963000 nodes, 15045 on tree, -7.38895e+07 best solution, best possible -7.39006e+07 (1522.60 seconds) After 964000 nodes, 15205 on tree, -7.38895e+07 best solution, best possible -7.39006e+07 (1523.94 seconds) After 965000 nodes, 14976 on tree, -7.38895e+07 best solution, best possible -7.39006e+07 (1524.90 seconds) After 966000 nodes, 14859 on tree, -7.38895e+07 best solution, best possible -7.39003e+07 (1527.49 seconds) After 967000 nodes, 14956 on tree, -7.38895e+07 best solution, best possible -7.39003e+07 (1528.81 seconds) After 968000 nodes, 14980 on tree, -7.38895e+07 best solution, best possible -7.39003e+07 (1530.04 seconds) After 969000 nodes, 14732 on tree, -7.38895e+07 best solution, best possible -7.39003e+07 (1530.91 seconds) After 970000 nodes, 14591 on tree, -7.38895e+07 best solution, best possible -7.39001e+07 (1533.46 seconds) After 971000 nodes, 15032 on tree, -7.38895e+07 best solution, best possible -7.39001e+07 (1534.90 seconds) After 972000 nodes, 15331 on tree, -7.38895e+07 best solution, best possible -7.39001e+07 (1536.22 seconds) After 973000 nodes, 15142 on tree, -7.38895e+07 best solution, best possible -7.39001e+07 (1537.36 seconds) After 974000 nodes, 14995 on tree, -7.38895e+07 best solution, best possible -7.38999e+07 (1539.92 seconds) Integer solution of -7.38895e+07 found after 4132529 iterations and 974942 nodes (1540.97 seconds) Full problem 92 rows 1025 columns, reduced to 52 rows 175 columns After 975000 nodes, 14193 on tree, -7.38895e+07 best solution, best possible -7.38998e+07 (1541.47 seconds) After 976000 nodes, 14005 on tree, -7.38895e+07 best solution, best possible -7.38998e+07 (1542.54 seconds) After 977000 nodes, 13712 on tree, -7.38895e+07 best solution, best possible -7.38998e+07 (1543.48 seconds) After 978000 nodes, 13570 on tree, -7.38895e+07 best solution, best possible -7.38996e+07 (1545.94 seconds) After 979000 nodes, 13336 on tree, -7.38895e+07 best solution, best possible -7.38996e+07 (1546.96 seconds) After 980000 nodes, 13005 on tree, -7.38895e+07 best solution, best possible -7.38996e+07 (1547.95 seconds) After 981000 nodes, 13058 on tree, -7.38895e+07 best solution, best possible -7.38996e+07 (1549.14 seconds) After 982000 nodes, 12928 on tree, -7.38895e+07 best solution, best possible -7.38994e+07 (1551.58 seconds) After 983000 nodes, 13397 on tree, -7.38895e+07 best solution, best possible -7.38994e+07 (1553.06 seconds) After 984000 nodes, 13774 on tree, -7.38895e+07 best solution, best possible -7.38994e+07 (1554.51 seconds) After 985000 nodes, 13608 on tree, -7.38895e+07 best solution, best possible -7.38994e+07 (1555.72 seconds) After 986000 nodes, 13478 on tree, -7.38895e+07 best solution, best possible -7.38991e+07 (1557.91 seconds) After 987000 nodes, 13779 on tree, -7.38895e+07 best solution, best possible -7.38991e+07 (1559.14 seconds) After 988000 nodes, 13925 on tree, -7.38895e+07 best solution, best possible -7.38991e+07 (1560.41 seconds) After 989000 nodes, 13613 on tree, -7.38895e+07 best solution, best possible -7.38991e+07 (1561.57 seconds) After 990000 nodes, 13462 on tree, -7.38895e+07 best solution, best possible -7.38989e+07 (1564.03 seconds) After 991000 nodes, 13398 on tree, -7.38895e+07 best solution, best possible -7.38989e+07 (1565.07 seconds) After 992000 nodes, 13338 on tree, -7.38895e+07 best solution, best possible -7.38989e+07 (1566.17 seconds) After 993000 nodes, 13357 on tree, -7.38895e+07 best solution, best possible -7.38989e+07 (1567.37 seconds) After 994000 nodes, 13187 on tree, -7.38895e+07 best solution, best possible -7.38987e+07 (1569.91 seconds) After 995000 nodes, 13586 on tree, -7.38895e+07 best solution, best possible -7.38987e+07 (1571.33 seconds) After 996000 nodes, 13785 on tree, -7.38895e+07 best solution, best possible -7.38987e+07 (1572.74 seconds) After 997000 nodes, 13634 on tree, -7.38895e+07 best solution, best possible -7.38987e+07 (1573.66 seconds) After 998000 nodes, 13471 on tree, -7.38895e+07 best solution, best possible -7.38984e+07 (1576.03 seconds) After 999000 nodes, 13407 on tree, -7.38895e+07 best solution, best possible -7.38984e+07 (1577.20 seconds) After 1000000 nodes, 13595 on tree, -7.38895e+07 best solution, best possible -7.38984e+07 (1578.42 seconds) After 1001000 nodes, 13565 on tree, -7.38895e+07 best solution, best possible -7.38984e+07 (1579.53 seconds) After 1002000 nodes, 13421 on tree, -7.38895e+07 best solution, best possible -7.38982e+07 (1581.93 seconds) After 1003000 nodes, 13738 on tree, -7.38895e+07 best solution, best possible -7.38982e+07 (1583.31 seconds) After 1004000 nodes, 13774 on tree, -7.38895e+07 best solution, best possible -7.38982e+07 (1584.56 seconds) After 1005000 nodes, 13539 on tree, -7.38895e+07 best solution, best possible -7.38982e+07 (1585.60 seconds) After 1006000 nodes, 13391 on tree, -7.38895e+07 best solution, best possible -7.38979e+07 (1587.88 seconds) After 1007000 nodes, 13800 on tree, -7.38895e+07 best solution, best possible -7.38979e+07 (1589.31 seconds) After 1008000 nodes, 14189 on tree, -7.38895e+07 best solution, best possible -7.38979e+07 (1590.77 seconds) After 1009000 nodes, 13996 on tree, -7.38895e+07 best solution, best possible -7.38979e+07 (1591.96 seconds) After 1010000 nodes, 13829 on tree, -7.38895e+07 best solution, best possible -7.38977e+07 (1594.27 seconds) After 1011000 nodes, 14107 on tree, -7.38895e+07 best solution, best possible -7.38977e+07 (1595.46 seconds) After 1012000 nodes, 14192 on tree, -7.38895e+07 best solution, best possible -7.38977e+07 (1596.65 seconds) After 1013000 nodes, 13915 on tree, -7.38895e+07 best solution, best possible -7.38977e+07 (1597.69 seconds) After 1014000 nodes, 13757 on tree, -7.38895e+07 best solution, best possible -7.38975e+07 (1599.96 seconds) After 1015000 nodes, 13764 on tree, -7.38895e+07 best solution, best possible -7.38975e+07 (1601.04 seconds) After 1016000 nodes, 13727 on tree, -7.38895e+07 best solution, best possible -7.38975e+07 (1602.29 seconds) After 1017000 nodes, 13807 on tree, -7.38895e+07 best solution, best possible -7.38975e+07 (1603.54 seconds) After 1018000 nodes, 13627 on tree, -7.38895e+07 best solution, best possible -7.38972e+07 (1605.86 seconds) After 1019000 nodes, 13741 on tree, -7.38895e+07 best solution, best possible -7.38972e+07 (1607.13 seconds) After 1020000 nodes, 13997 on tree, -7.38895e+07 best solution, best possible -7.38972e+07 (1608.38 seconds) After 1021000 nodes, 13758 on tree, -7.38895e+07 best solution, best possible -7.38972e+07 (1609.35 seconds) After 1022000 nodes, 13589 on tree, -7.38895e+07 best solution, best possible -7.3897e+07 (1611.62 seconds) After 1023000 nodes, 13756 on tree, -7.38895e+07 best solution, best possible -7.3897e+07 (1612.91 seconds) After 1024000 nodes, 13843 on tree, -7.38895e+07 best solution, best possible -7.3897e+07 (1614.16 seconds) After 1025000 nodes, 13711 on tree, -7.38895e+07 best solution, best possible -7.3897e+07 (1615.30 seconds) After 1026000 nodes, 13519 on tree, -7.38895e+07 best solution, best possible -7.38967e+07 (1617.65 seconds) After 1027000 nodes, 13652 on tree, -7.38895e+07 best solution, best possible -7.38967e+07 (1618.89 seconds) After 1028000 nodes, 13708 on tree, -7.38895e+07 best solution, best possible -7.38967e+07 (1620.17 seconds) After 1029000 nodes, 13463 on tree, -7.38895e+07 best solution, best possible -7.38967e+07 (1621.30 seconds) After 1030000 nodes, 13243 on tree, -7.38895e+07 best solution, best possible -7.38965e+07 (1623.49 seconds) After 1031000 nodes, 13383 on tree, -7.38895e+07 best solution, best possible -7.38965e+07 (1624.74 seconds) After 1032000 nodes, 13475 on tree, -7.38895e+07 best solution, best possible -7.38965e+07 (1625.97 seconds) After 1033000 nodes, 13445 on tree, -7.38895e+07 best solution, best possible -7.38965e+07 (1626.99 seconds) After 1034000 nodes, 13231 on tree, -7.38895e+07 best solution, best possible -7.38963e+07 (1629.33 seconds) After 1035000 nodes, 13367 on tree, -7.38895e+07 best solution, best possible -7.38963e+07 (1630.56 seconds) After 1036000 nodes, 13406 on tree, -7.38895e+07 best solution, best possible -7.38963e+07 (1631.75 seconds) After 1037000 nodes, 13441 on tree, -7.38895e+07 best solution, best possible -7.38963e+07 (1633.02 seconds) After 1038000 nodes, 13249 on tree, -7.38895e+07 best solution, best possible -7.3896e+07 (1635.09 seconds) After 1039000 nodes, 13380 on tree, -7.38895e+07 best solution, best possible -7.3896e+07 (1636.38 seconds) After 1040000 nodes, 13466 on tree, -7.38895e+07 best solution, best possible -7.3896e+07 (1637.72 seconds) After 1041000 nodes, 13347 on tree, -7.38895e+07 best solution, best possible -7.3896e+07 (1638.78 seconds) After 1042000 nodes, 13098 on tree, -7.38895e+07 best solution, best possible -7.38958e+07 (1640.94 seconds) After 1043000 nodes, 13180 on tree, -7.38895e+07 best solution, best possible -7.38958e+07 (1642.19 seconds) After 1044000 nodes, 13282 on tree, -7.38895e+07 best solution, best possible -7.38958e+07 (1643.46 seconds) After 1045000 nodes, 12934 on tree, -7.38895e+07 best solution, best possible -7.38958e+07 (1644.47 seconds) After 1046000 nodes, 12740 on tree, -7.38895e+07 best solution, best possible -7.38956e+07 (1646.62 seconds) After 1047000 nodes, 13028 on tree, -7.38895e+07 best solution, best possible -7.38956e+07 (1647.98 seconds) After 1048000 nodes, 13248 on tree, -7.38895e+07 best solution, best possible -7.38956e+07 (1649.21 seconds) After 1049000 nodes, 13203 on tree, -7.38895e+07 best solution, best possible -7.38956e+07 (1650.21 seconds) After 1050000 nodes, 13058 on tree, -7.38895e+07 best solution, best possible -7.38954e+07 (1652.20 seconds) After 1051000 nodes, 13202 on tree, -7.38895e+07 best solution, best possible -7.38954e+07 (1653.29 seconds) After 1052000 nodes, 13334 on tree, -7.38895e+07 best solution, best possible -7.38954e+07 (1654.44 seconds) After 1053000 nodes, 13311 on tree, -7.38895e+07 best solution, best possible -7.38954e+07 (1655.48 seconds) After 1054000 nodes, 13087 on tree, -7.38895e+07 best solution, best possible -7.38952e+07 (1657.50 seconds) Integer solution of -7.38895e+07 found after 4330409 iterations and 1054887 nodes (1658.72 seconds) Full problem 92 rows 1025 columns, reduced to 52 rows 175 columns After 1055000 nodes, 8381 on tree, -7.38895e+07 best solution, best possible -7.38951e+07 (1659.50 seconds) After 1056000 nodes, 8183 on tree, -7.38895e+07 best solution, best possible -7.38949e+07 (1661.36 seconds) After 1057000 nodes, 7996 on tree, -7.38895e+07 best solution, best possible -7.38947e+07 (1663.25 seconds) After 1058000 nodes, 7972 on tree, -7.38895e+07 best solution, best possible -7.38947e+07 (1664.32 seconds) After 1059000 nodes, 7784 on tree, -7.38895e+07 best solution, best possible -7.38945e+07 (1666.18 seconds) After 1060000 nodes, 7594 on tree, -7.38895e+07 best solution, best possible -7.38943e+07 (1668.06 seconds) After 1061000 nodes, 7366 on tree, -7.38895e+07 best solution, best possible -7.3894e+07 (1669.89 seconds) After 1062000 nodes, 7371 on tree, -7.38895e+07 best solution, best possible -7.3894e+07 (1671.11 seconds) After 1063000 nodes, 7152 on tree, -7.38895e+07 best solution, best possible -7.38938e+07 (1672.87 seconds) After 1064000 nodes, 6926 on tree, -7.38895e+07 best solution, best possible -7.38936e+07 (1674.66 seconds) After 1065000 nodes, 7066 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1676.32 seconds) After 1066000 nodes, 7270 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1677.52 seconds) After 1067000 nodes, 7636 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1678.87 seconds) After 1068000 nodes, 7895 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1680.18 seconds) After 1069000 nodes, 8141 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1681.49 seconds) After 1070000 nodes, 8270 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1682.65 seconds) After 1071000 nodes, 8527 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1683.89 seconds) After 1072000 nodes, 8773 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1685.16 seconds) After 1073000 nodes, 8990 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1686.52 seconds) After 1074000 nodes, 9136 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1687.75 seconds) After 1075000 nodes, 9372 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1688.98 seconds) After 1076000 nodes, 9611 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1690.23 seconds) After 1077000 nodes, 9824 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1691.38 seconds) After 1078000 nodes, 9995 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1692.64 seconds) After 1079000 nodes, 10239 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1693.82 seconds) After 1080000 nodes, 10393 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1695.09 seconds) After 1081000 nodes, 10386 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1696.17 seconds) After 1082000 nodes, 10621 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1697.38 seconds) After 1083000 nodes, 10758 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1698.68 seconds) After 1084000 nodes, 10937 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1700.03 seconds) After 1085000 nodes, 10923 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1701.01 seconds) After 1086000 nodes, 11119 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1702.22 seconds) After 1087000 nodes, 11218 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1703.51 seconds) After 1088000 nodes, 11312 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1704.78 seconds) After 1089000 nodes, 11337 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1705.65 seconds) After 1090000 nodes, 11546 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1706.91 seconds) After 1091000 nodes, 11599 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1708.13 seconds) After 1092000 nodes, 11612 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1709.39 seconds) After 1093000 nodes, 11530 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1710.25 seconds) After 1094000 nodes, 11694 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1711.48 seconds) After 1095000 nodes, 11676 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1712.75 seconds) After 1096000 nodes, 11624 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1713.86 seconds) After 1097000 nodes, 11556 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1714.70 seconds) After 1098000 nodes, 11697 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1715.90 seconds) After 1099000 nodes, 11617 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1717.09 seconds) After 1100000 nodes, 11526 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1718.15 seconds) After 1101000 nodes, 11352 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1719.16 seconds) After 1102000 nodes, 11534 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1720.33 seconds) After 1103000 nodes, 11530 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1721.43 seconds) After 1104000 nodes, 11600 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1722.50 seconds) After 1105000 nodes, 11419 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1723.55 seconds) After 1106000 nodes, 11572 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1724.68 seconds) After 1107000 nodes, 11538 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1725.73 seconds) After 1108000 nodes, 11591 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1726.82 seconds) After 1109000 nodes, 11421 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1727.80 seconds) After 1110000 nodes, 11547 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1728.89 seconds) After 1111000 nodes, 11497 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1729.90 seconds) After 1112000 nodes, 11561 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1730.96 seconds) After 1113000 nodes, 11433 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1731.95 seconds) After 1114000 nodes, 11520 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1732.99 seconds) After 1115000 nodes, 11466 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1733.97 seconds) After 1116000 nodes, 11477 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1734.98 seconds) After 1117000 nodes, 11321 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1736.01 seconds) After 1118000 nodes, 11417 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1737.02 seconds) After 1119000 nodes, 11362 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1737.96 seconds) After 1120000 nodes, 11338 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1738.95 seconds) After 1121000 nodes, 11284 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1740.14 seconds) After 1122000 nodes, 11312 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1741.07 seconds) After 1123000 nodes, 11224 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1742.00 seconds) After 1124000 nodes, 11155 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1742.94 seconds) After 1125000 nodes, 10878 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1743.83 seconds) After 1126000 nodes, 10765 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1744.93 seconds) After 1127000 nodes, 10563 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1745.92 seconds) After 1128000 nodes, 10092 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1746.71 seconds) After 1129000 nodes, 9644 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1747.39 seconds) After 1130000 nodes, 9018 on tree, -7.38895e+07 best solution, best possible -7.38935e+07 (1748.13 seconds) After 1131000 nodes, 8690 on tree, -7.38895e+07 best solution, best possible -7.38933e+07 (1750.09 seconds) After 1132000 nodes, 8461 on tree, -7.38895e+07 best solution, best possible -7.38932e+07 (1751.73 seconds) After 1133000 nodes, 8199 on tree, -7.38895e+07 best solution, best possible -7.3893e+07 (1753.35 seconds) After 1134000 nodes, 7873 on tree, -7.38895e+07 best solution, best possible -7.3893e+07 (1754.27 seconds) After 1135000 nodes, 7624 on tree, -7.38895e+07 best solution, best possible -7.38928e+07 (1755.98 seconds) After 1136000 nodes, 7304 on tree, -7.38895e+07 best solution, best possible -7.38926e+07 (1757.72 seconds) After 1137000 nodes, 6996 on tree, -7.38895e+07 best solution, best possible -7.38925e+07 (1759.33 seconds) After 1138000 nodes, 6654 on tree, -7.38895e+07 best solution, best possible -7.38925e+07 (1760.37 seconds) After 1139000 nodes, 6329 on tree, -7.38895e+07 best solution, best possible -7.38923e+07 (1762.08 seconds) After 1140000 nodes, 5970 on tree, -7.38895e+07 best solution, best possible -7.38921e+07 (1763.62 seconds) After 1141000 nodes, 5615 on tree, -7.38895e+07 best solution, best possible -7.38919e+07 (1765.19 seconds) After 1142000 nodes, 5568 on tree, -7.38895e+07 best solution, best possible -7.38919e+07 (1766.34 seconds) After 1143000 nodes, 5213 on tree, -7.38895e+07 best solution, best possible -7.38917e+07 (1767.86 seconds) After 1144000 nodes, 4831 on tree, -7.38895e+07 best solution, best possible -7.38915e+07 (1769.45 seconds) After 1145000 nodes, 4440 on tree, -7.38895e+07 best solution, best possible -7.38913e+07 (1770.91 seconds) After 1146000 nodes, 4414 on tree, -7.38895e+07 best solution, best possible -7.38913e+07 (1772.14 seconds) After 1147000 nodes, 4023 on tree, -7.38895e+07 best solution, best possible -7.38911e+07 (1773.65 seconds) After 1148000 nodes, 3624 on tree, -7.38895e+07 best solution, best possible -7.38909e+07 (1775.17 seconds) After 1149000 nodes, 3124 on tree, -7.38895e+07 best solution, best possible -7.38909e+07 (1775.94 seconds) After 1150000 nodes, 3088 on tree, -7.38895e+07 best solution, best possible -7.38909e+07 (1778.39 seconds) After 1151000 nodes, 2588 on tree, -7.38895e+07 best solution, best possible -7.38909e+07 (1779.13 seconds) After 1152000 nodes, 2088 on tree, -7.38895e+07 best solution, best possible -7.38907e+07 (1780.58 seconds) After 1153000 nodes, 1594 on tree, -7.38895e+07 best solution, best possible -7.38904e+07 (1782.36 seconds) After 1154000 nodes, 1514 on tree, -7.38895e+07 best solution, best possible -7.38904e+07 (1783.47 seconds) After 1155000 nodes, 1086 on tree, -7.38895e+07 best solution, best possible -7.38901e+07 (1784.99 seconds) After 1156000 nodes, 586 on tree, -7.38895e+07 best solution, best possible -7.38899e+07 (1786.18 seconds) After 1157000 nodes, 91 on tree, -7.38895e+07 best solution, best possible -7.38895e+07 (1787.69 seconds) Search completed - best objective -73889532, took 4629670 iterations and 1157209 nodes (1788.08 seconds) Strong branching done 246928 times (1156031 iterations), fathomed 21602 nodes and fixed 10826 variables Maximum depth 120, 9.25939e+06 variables fixed on reduced cost Cuts at root node changed objective from -7.43252e+07 to -7.40296e+07 Probing was tried 72018 times and created 195924 cuts of which 41378 were active after adding rounds of cuts (55.407 seconds) Gomory was tried 45 times and created 238 cuts of which 15 were active after adding rounds of cuts (0.236 seconds) Knapsack was tried 172329 times and created 889915 cuts of which 267584 were active after adding rounds of cuts (208.441 seconds) Clique was tried 45 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.004 seconds) MixedIntegerRounding2 was tried 45 times and created 233 cuts of which 35 were active after adding rounds of cuts (0.044 seconds) FlowCover was tried 1 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) TwoMirCuts was tried 45 times and created 309 cuts of which 17 were active after adding rounds of cuts (0.072 seconds) Result - Finished objective -73889532 after 1157209 nodes and 4629670 iterations - took 1788.45 seconds (total time 1788.47) Total time 1788.48 Solved to optimality. Writing solution. Objective: -7.38895e+07 Time: 1788.47 s --- Restarting execution --- harp2.gms(124) 0 Mb --- Reading solution for model m --- harp2.gms(124) 3 Mb *** Status: Normal completion --- Job harp2.gms Stop 08/25/08 03:07:49 elapsed 0:30:11.089