Gurobi 5.6.3 (linux64) logging started Wed Oct 8 01:33:38 2014 Optimize a model with 34225 rows, 34041 columns and 135608 nonzeros Presolve time: 1.02s Presolved: 34225 rows, 34041 columns, 135608 nonzeros Variable types: 1 continuous, 34040 integer (34040 binary) Found heuristic solution: objective 0.9884018 Found heuristic solution: objective 0.9612351 Found heuristic solution: objective 0.8206652 Root relaxation: objective 9.046366e-02, 8611 iterations, 2.28 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.09046 0 1683 0.82067 0.09046 89.0% - 4s H 0 0 0.1653403 0.09046 45.3% - 10s 0 0 0.09236 0 1480 0.16534 0.09236 44.1% - 13s 0 0 0.09236 0 1457 0.16534 0.09236 44.1% - 14s 0 0 0.09237 0 1479 0.16534 0.09237 44.1% - 14s 0 0 0.09335 0 1492 0.16534 0.09335 43.5% - 15s 0 0 0.09407 0 1466 0.16534 0.09407 43.1% - 15s 0 0 0.09422 0 1509 0.16534 0.09422 43.0% - 15s H 0 0 0.1645514 0.09422 42.7% - 15s 0 0 0.09437 0 1511 0.16455 0.09437 42.6% - 15s 0 0 0.09437 0 1502 0.16455 0.09437 42.6% - 15s 0 0 0.09445 0 1479 0.16455 0.09445 42.6% - 16s 0 0 0.09445 0 1471 0.16455 0.09445 42.6% - 16s 0 0 0.09445 0 1471 0.16455 0.09445 42.6% - 16s 0 0 0.09445 0 1413 0.16455 0.09445 42.6% - 16s 0 2 0.09445 0 1413 0.16455 0.09445 42.6% - 17s 40 42 0.10478 21 1216 0.16455 0.09536 42.0% 485 20s H 81 81 0.1625311 0.09536 41.3% 398 21s * 108 100 57 0.1619970 0.09536 41.1% 353 21s H 109 99 0.1611786 0.09536 40.8% 350 21s H 136 121 0.1559181 0.09536 38.8% 365 23s H 163 144 0.1540495 0.09536 38.1% 335 24s H 190 159 0.1530272 0.09570 37.5% 330 25s H 194 162 0.1525542 0.09570 37.3% 330 25s H 198 158 0.1508303 0.09570 36.6% 329 25s H 209 165 0.1480792 0.09570 35.4% 317 25s H 217 160 0.1451785 0.09570 34.1% 318 25s * 237 144 14 0.1432964 0.09680 32.4% 319 26s 304 77 infeasible 8 0.14330 0.10733 25.1% 367 30s Cutting planes: Gomory: 5 MIR: 73 Mod-K: 1 Explored 382 nodes (153441 simplex iterations) in 31.25 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.432964290324e-01, best bound 1.432964290324e-01, gap 0.0%