Gurobi 5.0.1 (linux64) logging started Sat Nov 17 22:05:33 2012 Optimize a model with 511 rows, 287 columns and 1562 nonzeros Presolve time: 0.00s Presolved: 511 rows, 287 columns, 1562 nonzeros Variable types: 0 continuous, 287 integer (287 binary) Found heuristic solution: objective 130.0000000 Found heuristic solution: objective 128.0000000 Root relaxation: objective 0.000000e+00, 70 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 32 128.00000 0.00000 100% - 0s H 0 0 127.0000000 0.00000 100% - 0s H 0 0 126.0000000 0.00000 100% - 0s 0 0 1.04545 0 34 126.00000 1.04545 99.2% - 0s H 0 0 124.0000000 1.04545 99.2% - 0s 0 0 1.05870 0 50 124.00000 1.05870 99.1% - 0s 0 0 1.09091 0 34 124.00000 1.09091 99.1% - 0s 0 0 1.18182 0 34 124.00000 1.18182 99.0% - 0s 0 0 1.18182 0 35 124.00000 1.18182 99.0% - 0s 0 0 1.18182 0 34 124.00000 1.18182 99.0% - 0s 0 0 1.18182 0 34 124.00000 1.18182 99.0% - 0s 0 0 1.18182 0 34 124.00000 1.18182 99.0% - 0s H 0 0 121.0000000 1.18182 99.0% - 0s 0 2 1.18182 0 34 121.00000 1.18182 99.0% - 0s * 42 28 21 120.0000000 9.37374 92.2% 41.5 0s * 212 154 19 118.0000000 26.37500 77.6% 43.4 0s H 218 146 111.0000000 26.38462 76.2% 43.4 0s * 412 243 20 108.0000000 33.66667 68.8% 39.7 0s * 443 259 18 106.0000000 33.66667 68.2% 40.1 0s * 450 255 20 105.0000000 33.66667 67.9% 39.7 0s * 469 263 22 104.0000000 33.70000 67.6% 39.5 0s * 471 255 20 103.0000000 33.70000 67.3% 39.3 0s H 2470 667 101.0000000 51.27273 49.2% 35.3 3s H 2579 699 100.0000000 52.00000 48.0% 35.1 3s 3515 904 cutoff 25 100.00000 57.42857 42.6% 34.0 5s H 5038 1170 99.0000000 59.66667 39.7% 32.6 6s 8064 1606 cutoff 24 99.00000 65.71429 33.6% 30.9 10s 13523 2106 92.57895 23 152 99.00000 71.80952 27.5% 29.5 15s 19085 2364 87.65000 22 153 99.00000 77.00000 22.2% 28.6 20s 25718 2290 cutoff 24 99.00000 79.86667 19.3% 27.5 25s 32477 1925 94.57895 23 152 99.00000 83.73684 15.4% 26.8 30s 39535 1233 cutoff 24 99.00000 85.92857 13.2% 26.1 35s Cutting planes: Gomory: 1 Mod-K: 4 Explored 45353 nodes (1153187 simplex iterations) in 38.96 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%