Gurobi 5.0.1 (linux64) logging started Sat Jan 26 21:25:15 2013 Optimize a model with 30 rows, 100 columns and 3000 nonzeros Presolve time: 0.01s Presolved: 30 rows, 100 columns, 3000 nonzeros Variable types: 0 continuous, 100 integer (100 binary) Found heuristic solution: objective 40319.000000 Root relaxation: objective 4.338805e+04, 45 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 43388.0493 0 21 40319.0000 43388.0493 7.61% - 0s H 0 0 42019.000000 43388.0493 3.26% - 0s H 0 0 42463.000000 43388.0493 2.18% - 0s 0 0 43362.8453 0 21 42463.0000 43362.8453 2.12% - 0s 0 0 43345.3379 0 23 42463.0000 43345.3379 2.08% - 0s 0 0 43343.0376 0 22 42463.0000 43343.0376 2.07% - 0s 0 0 43341.0049 0 23 42463.0000 43341.0049 2.07% - 0s 0 0 43335.2735 0 23 42463.0000 43335.2735 2.05% - 0s 0 2 43334.7436 0 23 42463.0000 43334.7436 2.05% - 0s H 90 78 42513.000000 43315.5260 1.89% 6.5 0s H 567 462 42573.000000 43278.5361 1.66% 6.0 0s H 623 499 42624.000000 43277.9762 1.53% 6.0 0s H 855 646 42666.000000 43271.1952 1.42% 6.3 0s H 3507 1961 42692.000000 43202.2683 1.20% 6.5 1s 34311 19679 cutoff 35 42692.0000 43059.3367 0.86% 6.8 5s 40831 22992 42719.3315 29 28 42692.0000 43049.0555 0.84% 6.8 10s H50781 24986 42719.000000 43049.0555 0.77% 6.7 12s 65806 28212 42915.2773 42 15 42719.0000 43049.0555 0.77% 6.7 15s 103376 33229 42868.4290 46 15 42719.0000 43018.9777 0.70% 6.7 20s 141936 47626 42722.6559 42 16 42719.0000 42989.6747 0.63% 6.7 25s 180735 60837 42898.6285 44 14 42719.0000 42969.7270 0.59% 6.6 30s 219151 72398 42844.0972 43 13 42719.0000 42954.9295 0.55% 6.6 35s 259350 83153 42830.8247 44 14 42719.0000 42942.3230 0.52% 6.6 40s 298919 92205 42872.9756 50 14 42719.0000 42931.6887 0.50% 6.6 45s 339285 100259 42829.4869 52 13 42719.0000 42922.0625 0.48% 6.5 50s 379283 106960 42883.3211 49 15 42719.0000 42913.5607 0.46% 6.5 55s 419464 112936 42785.5122 44 16 42719.0000 42905.9033 0.44% 6.5 60s 460537 117983 42874.8470 47 11 42719.0000 42898.8191 0.42% 6.5 65s 501992 122227 cutoff 49 42719.0000 42892.0858 0.41% 6.4 70s 542630 125777 42766.1037 55 10 42719.0000 42885.9324 0.39% 6.4 75s 584627 128530 42790.0946 47 14 42719.0000 42879.8943 0.38% 6.4 80s 626022 130185 42858.0147 43 15 42719.0000 42874.1068 0.36% 6.4 85s 668772 131213 42814.1186 45 16 42719.0000 42868.2763 0.35% 6.3 90s 711153 131476 42730.5241 48 15 42719.0000 42862.8568 0.34% 6.3 95s 753462 130937 cutoff 51 42719.0000 42857.4700 0.32% 6.3 100s 796503 129439 42764.6894 49 12 42719.0000 42852.1055 0.31% 6.3 105s 840602 127007 42816.7615 43 14 42719.0000 42846.6060 0.30% 6.3 110s 883719 123557 42796.5796 48 12 42719.0000 42841.3555 0.29% 6.2 115s 926253 119153 42725.9886 50 14 42719.0000 42836.1195 0.27% 6.2 120s 970245 113516 42799.4523 46 13 42719.0000 42830.5130 0.26% 6.2 125s 1014179 106486 42740.1963 60 9 42719.0000 42824.5220 0.25% 6.2 130s 1058287 98189 42745.5757 54 14 42719.0000 42818.1337 0.23% 6.2 135s 1102626 87877 cutoff 51 42719.0000 42811.0405 0.22% 6.2 140s 1147210 75401 cutoff 45 42719.0000 42802.9522 0.20% 6.1 145s 1191915 59772 42782.8338 42 15 42719.0000 42792.9339 0.17% 6.1 150s 1238121 38957 42770.7084 47 12 42719.0000 42777.8262 0.14% 6.1 155s 1289631 4164 cutoff 49 42719.0000 42730.8852 0.03% 6.0 160s Cutting planes: Gomory: 14 Explored 1292660 nodes (7722203 simplex iterations) in 160.23 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 4.271900000000e+04, best bound 4.272300000000e+04, gap 0.0094%