Gurobi 5.0.1 (linux64) logging started Sat Nov 17 21:26:55 2012 Optimize a model with 465 rows, 263 columns and 1423 nonzeros Presolve time: 0.00s Presolved: 465 rows, 263 columns, 1423 nonzeros Variable types: 0 continuous, 263 integer (263 binary) Found heuristic solution: objective 111.0000000 Root relaxation: objective 0.000000e+00, 59 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00000 0 31 111.00000 0.00000 100% - 0s 0 0 0.79404 0 33 111.00000 0.79404 99.3% - 0s 0 0 0.81390 0 33 111.00000 0.81390 99.3% - 0s 0 0 0.81390 0 33 111.00000 0.81390 99.3% - 0s 0 0 0.85360 0 33 111.00000 0.85360 99.2% - 0s 0 0 0.85360 0 33 111.00000 0.85360 99.2% - 0s 0 0 0.85360 0 33 111.00000 0.85360 99.2% - 0s 0 0 0.85360 0 33 111.00000 0.85360 99.2% - 0s H 0 0 107.0000000 0.85360 99.2% - 0s 0 2 0.94896 0 33 107.00000 0.94896 99.1% - 0s * 256 186 22 101.0000000 23.36364 76.9% 43.0 0s * 267 177 21 100.0000000 23.36364 76.6% 41.6 0s * 276 174 23 99.0000000 23.36364 76.4% 40.5 0s * 1331 431 38 98.0000000 38.50000 60.7% 35.0 1s * 1361 417 39 97.0000000 39.27273 59.5% 34.6 1s * 1807 548 34 94.0000000 46.00000 51.1% 33.0 2s 4636 1383 70.28571 25 135 94.00000 53.66667 42.9% 28.6 5s H 5258 1530 93.0000000 54.78261 41.1% 28.2 5s 10715 2686 75.21053 27 140 93.00000 62.16667 33.2% 26.0 10s 17879 3831 cutoff 32 93.00000 66.65000 28.3% 24.7 15s 25914 4724 89.06667 31 143 93.00000 70.00000 24.7% 23.7 20s *27551 4768 35 92.0000000 70.42857 23.4% 23.6 21s 33425 5196 88.00000 30 142 92.00000 72.23529 21.5% 23.2 25s 41510 5544 cutoff 31 92.00000 74.17647 19.4% 22.6 36s 47473 5574 84.33333 28 143 92.00000 75.42857 18.0% 22.3 40s 56197 5323 90.20000 31 143 92.00000 77.00000 16.3% 21.9 45s 65316 4752 89.50000 30 142 92.00000 78.44444 14.7% 21.5 50s 74326 3897 85.66667 28 143 92.00000 79.83333 13.2% 21.2 55s 83206 2711 90.00000 30 142 92.00000 81.60000 11.3% 20.9 60s Explored 92290 nodes (1883447 simplex iterations) in 64.20 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.200000000000e+01, best bound 9.200000000000e+01, gap 0.0%