Gurobi 5.0.1 (linux64) logging started Sat Nov 17 22:38:48 2012 Optimize a model with 515 rows, 290 columns and 1575 nonzeros Presolve time: 0.00s Presolved: 515 rows, 290 columns, 1575 nonzeros Variable types: 0 continuous, 290 integer (290 binary) Found heuristic solution: objective 130.0000000 Root relaxation: objective 0.000000e+00, 69 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 33 130.00000 0.00000 100% - 0s H 0 0 129.0000000 0.00000 100% - 0s H 0 0 127.0000000 0.00000 100% - 0s H 0 0 123.0000000 0.00000 100% - 0s 0 0 1.01862 0 47 123.00000 1.01862 99.2% - 0s H 0 0 121.0000000 1.01862 99.2% - 0s H 0 0 116.0000000 1.01862 99.1% - 0s 0 0 1.09228 0 48 116.00000 1.09228 99.1% - 0s 0 0 1.11366 0 48 116.00000 1.11366 99.0% - 0s 0 0 1.11366 0 48 116.00000 1.11366 99.0% - 0s 0 0 1.11366 0 48 116.00000 1.11366 99.0% - 0s 0 0 1.11366 0 48 116.00000 1.11366 99.0% - 0s H 0 0 115.0000000 1.11366 99.0% - 0s H 0 0 109.0000000 1.11366 99.0% - 0s 0 2 1.17143 0 48 109.00000 1.17143 98.9% - 0s * 436 252 21 107.0000000 33.33333 68.8% 40.1 0s * 845 386 36 105.0000000 38.69231 63.2% 40.3 1s * 1300 410 33 104.0000000 43.00000 58.7% 38.7 2s * 1302 390 31 103.0000000 43.00000 58.3% 38.7 2s * 1746 480 28 101.0000000 49.17391 51.3% 37.6 2s H 1971 531 99.0000000 49.60000 49.9% 37.1 3s 3145 811 96.52632 26 160 99.00000 56.31818 43.1% 35.4 5s 7237 1536 83.90909 23 154 99.00000 65.33333 34.0% 32.7 10s 11940 2118 79.47826 22 149 99.00000 71.21053 28.1% 31.2 15s 17525 2501 97.15789 26 160 99.00000 75.89474 23.3% 30.0 20s 23559 2600 85.00000 24 160 99.00000 78.88889 20.3% 29.1 25s 30049 2365 93.33333 24 160 99.00000 82.00000 17.2% 28.3 30s 36538 1857 97.05263 26 160 99.00000 84.35714 14.8% 27.7 35s 42987 1021 95.55556 27 159 99.00000 88.00000 11.1% 27.1 40s Cutting planes: Gomory: 1 Mod-K: 3 Explored 46105 nodes (1227938 simplex iterations) in 42.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.900000000000e+01, best bound 9.900000000000e+01, gap 0.0%