Gurobi 5.0.1 (linux64) logging started Sat Nov 17 22:46:02 2012 Optimize a model with 543 rows, 304 columns and 1659 nonzeros Presolve time: 0.00s Presolved: 543 rows, 304 columns, 1659 nonzeros Variable types: 0 continuous, 304 integer (304 binary) Found heuristic solution: objective 140.0000000 Found heuristic solution: objective 138.0000000 Root relaxation: objective 0.000000e+00, 80 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 33 138.00000 0.00000 100% - 0s H 0 0 137.0000000 0.00000 100% - 0s H 0 0 133.0000000 0.00000 100% - 0s 0 0 1.08684 0 52 133.00000 1.08684 99.2% - 0s 0 0 1.11607 0 53 133.00000 1.11607 99.2% - 0s 0 0 1.15880 0 71 133.00000 1.15880 99.1% - 0s 0 0 1.30070 0 35 133.00000 1.30070 99.0% - 0s 0 0 1.30070 0 35 133.00000 1.30070 99.0% - 0s 0 0 1.30070 0 35 133.00000 1.30070 99.0% - 0s 0 0 1.30070 0 35 133.00000 1.30070 99.0% - 0s H 0 0 129.0000000 1.30070 99.0% - 0s 0 2 1.44505 0 35 129.00000 1.44505 98.9% - 0s * 42 35 24 128.0000000 10.23776 92.0% 41.2 0s H 54 41 127.0000000 10.85714 91.5% 45.3 0s * 275 190 23 123.0000000 27.99692 77.2% 42.9 0s H 465 285 119.0000000 35.27273 70.4% 40.2 0s * 487 298 25 118.0000000 36.50000 69.1% 40.0 0s * 488 293 23 117.0000000 36.50000 68.8% 40.0 0s H 824 416 113.0000000 38.00000 66.4% 40.2 1s * 1699 540 32 112.0000000 48.00000 57.1% 36.8 2s * 1825 581 31 111.0000000 51.21053 53.9% 36.6 2s H 2416 766 110.0000000 54.62500 50.3% 35.1 3s H 2721 847 109.0000000 55.55556 49.0% 34.9 4s * 2935 914 30 108.0000000 56.15385 48.0% 34.9 4s * 2938 907 29 107.0000000 56.15385 47.5% 34.9 4s H 2967 918 106.0000000 56.39130 46.8% 35.0 4s H 3142 915 103.0000000 56.75000 44.9% 34.7 4s 3196 924 99.26316 26 165 103.00000 58.33333 43.4% 34.7 5s 7261 1537 98.52632 26 165 103.00000 69.25000 32.8% 32.4 10s 12060 1996 82.56522 22 157 103.00000 76.13043 26.1% 30.8 15s 17601 2202 cutoff 27 103.00000 80.60000 21.7% 29.7 20s 23814 2119 91.18182 23 162 103.00000 83.80952 18.6% 28.7 25s 30120 1696 90.00000 23 160 103.00000 86.80000 15.7% 28.0 30s 36771 978 cutoff 26 103.00000 90.00000 12.6% 27.3 35s Cutting planes: Gomory: 1 Mod-K: 2 Explored 40416 nodes (1082418 simplex iterations) in 37.60 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.030000000000e+02, best bound 1.030000000000e+02, gap 0.0%