Gurobi 5.6.3 (linux64) logging started Wed Oct 8 01:44:09 2014 Optimize a model with 35344 rows, 35157 columns and 140063 nonzeros Presolve time: 0.94s Presolved: 35344 rows, 35157 columns, 140063 nonzeros Variable types: 1 continuous, 35156 integer (35156 binary) Found heuristic solution: objective 0.9094589 Found heuristic solution: objective 0.9077665 Found heuristic solution: objective 0.8624572 Root relaxation: objective 8.904711e-02, 10115 iterations, 3.34 seconds Total elapsed time = 5.20s Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.08905 0 1706 0.86246 0.08905 89.7% - 5s H 0 0 0.1924165 0.08905 53.7% - 11s 0 0 0.09108 0 1602 0.19242 0.09108 52.7% - 14s 0 0 0.09108 0 1579 0.19242 0.09108 52.7% - 15s 0 0 0.09115 0 1565 0.19242 0.09115 52.6% - 16s 0 0 0.09164 0 1674 0.19242 0.09164 52.4% - 16s 0 0 0.09186 0 1646 0.19242 0.09186 52.3% - 16s 0 0 0.09186 0 1593 0.19242 0.09186 52.3% - 17s 0 2 0.09186 0 1593 0.19242 0.09186 52.3% - 18s 10 12 0.09336 5 1597 0.19242 0.09218 52.1% 633 20s H 27 27 0.1885142 0.09229 51.0% 452 21s 71 73 0.10817 39 1210 0.18851 0.09229 51.0% 473 25s H 77 77 0.1883677 0.09229 51.0% 471 25s H 81 81 0.1873705 0.09229 50.7% 468 25s H 108 105 0.1677541 0.09229 45.0% 425 26s * 110 107 62 0.1652145 0.09229 44.1% 432 27s H 135 125 0.1612538 0.09264 42.6% 420 28s * 149 127 30 0.1593406 0.09264 41.9% 392 28s * 153 127 30 0.1593405 0.09264 41.9% 383 28s * 154 126 30 0.1588935 0.09264 41.7% 381 28s H 162 128 0.1555291 0.09265 40.4% 404 29s H 182 144 0.1541294 0.09265 39.9% 381 29s * 185 143 20 0.1522983 0.09265 39.2% 375 29s * 186 136 20 0.1508342 0.09265 38.6% 373 29s 188 135 0.10031 2 1149 0.15083 0.09271 38.5% 379 30s H 189 134 0.1507688 0.09271 38.5% 377 30s H 216 151 0.1482974 0.09271 37.5% 364 30s * 237 162 12 0.1467180 0.09272 36.8% 372 31s * 243 158 14 0.1463692 0.09272 36.7% 364 31s * 244 150 14 0.1462942 0.09272 36.6% 363 31s H 246 148 0.1457553 0.09272 36.4% 360 31s * 253 151 8 0.1438253 0.09277 35.5% 363 31s 281 137 infeasible 5 0.14383 0.09378 34.8% 419 35s 307 115 infeasible 24 0.14383 0.09705 32.5% 501 40s 371 61 infeasible 50 0.14383 0.11672 18.8% 526 45s Cutting planes: Gomory: 4 MIR: 5 Zero half: 1 Explored 433 nodes (244299 simplex iterations) in 46.42 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.438252968858e-01, best bound 1.438252968858e-01, gap 0.0%