Gurobi 5.0.1 (linux64) logging started Wed Apr 24 11:44:18 2013 Optimize a model with 1540 rows, 196140 columns and 392140 nonzeros Presolve time: 0.45s Presolved: 1540 rows, 196140 columns, 392140 nonzeros Variable types: 196000 continuous, 140 integer (140 binary) Root relaxation: objective 2.341986e+05, 7263 iterations, 0.43 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 234198.566 0 9 - 234198.566 - - 1s H 0 0 263139.00000 234198.566 11.0% - 1s 0 0 234568.538 0 7 263139.000 234568.538 10.9% - 2s 0 0 234607.651 0 6 263139.000 234607.651 10.8% - 2s H 0 0 258905.45498 234607.651 9.38% - 2s H 0 0 257746.00000 234607.651 8.98% - 2s 0 0 234621.392 0 6 257746.000 234621.392 8.97% - 3s H 0 0 257322.00000 234621.392 8.82% - 3s 0 0 234632.856 0 6 257322.000 234632.856 8.82% - 3s H 0 0 257192.00000 234632.856 8.77% - 3s 0 0 234638.015 0 6 257192.000 234638.015 8.77% - 4s H 0 0 257180.00000 234638.015 8.77% - 4s 0 0 234645.558 0 5 257180.000 234645.558 8.76% - 4s H 0 0 247866.87229 234645.558 5.33% - 4s H 0 0 246696.00000 234645.558 4.88% - 4s 0 0 234647.076 0 5 246696.000 234647.076 4.88% - 4s H 0 0 235868.00000 234647.076 0.52% - 5s 0 0 234647.076 0 5 235868.000 234647.076 0.52% - 5s 0 0 234647.076 0 9 235868.000 234647.076 0.52% - 6s 0 0 234647.076 0 7 235868.000 234647.076 0.52% - 7s 0 0 234647.076 0 6 235868.000 234647.076 0.52% - 7s 0 0 234647.076 0 6 235868.000 234647.076 0.52% - 7s 0 0 234647.076 0 6 235868.000 234647.076 0.52% - 7s 0 0 234647.076 0 6 235868.000 234647.076 0.52% - 8s 0 0 234647.076 0 5 235868.000 234647.076 0.52% - 8s 0 0 234647.076 0 5 235868.000 234647.076 0.52% - 8s 0 0 234647.076 0 5 235868.000 234647.076 0.52% - 8s 0 0 234647.076 0 5 235868.000 234647.076 0.52% - 8s 0 0 234647.076 0 5 235868.000 234647.076 0.52% - 9s 0 0 234647.076 0 5 235868.000 234647.076 0.52% - 9s 0 2 234678.572 0 5 235868.000 234678.572 0.50% - 10s H 14 9 235059.00000 234794.021 0.11% 117 12s * 19 5 15 235037.00000 234794.021 0.10% 91.3 12s Cutting planes: Implied bound: 192 Flow cover: 14 Explored 40 nodes (16989 simplex iterations) in 13.89 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.350370000000e+05, best bound 2.350370000000e+05, gap 0.0%