Gurobi 5.0.1 (linux64) logging started Wed Apr 24 11:12:13 2013 Optimize a model with 1320 rows, 144120 columns and 288120 nonzeros Presolve time: 0.30s Presolved: 1320 rows, 144120 columns, 288120 nonzeros Variable types: 144000 continuous, 120 integer (120 binary) Root relaxation: objective 1.960045e+05, 6510 iterations, 0.40 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 196004.501 0 7 - 196004.501 - - 0s H 0 0 209820.00000 196004.501 6.58% - 1s 0 0 196425.087 0 6 209820.000 196425.087 6.38% - 2s H 0 0 207179.00000 196425.087 5.19% - 2s 0 0 196500.274 0 5 207179.000 196500.274 5.15% - 2s H 0 0 201371.00000 196500.274 2.42% - 2s 0 0 196541.291 0 5 201371.000 196541.291 2.40% - 2s 0 0 196546.037 0 2 201371.000 196546.037 2.40% - 3s H 0 0 198974.13695 196546.037 1.22% - 3s H 0 0 198362.00000 196546.037 0.92% - 3s 0 0 196547.308 0 4 198362.000 196547.308 0.91% - 3s 0 0 196547.308 0 7 198362.000 196547.308 0.91% - 4s 0 0 196547.308 0 6 198362.000 196547.308 0.91% - 4s 0 0 196547.308 0 5 198362.000 196547.308 0.91% - 5s 0 0 196547.308 0 5 198362.000 196547.308 0.91% - 5s 0 0 196547.308 0 2 198362.000 196547.308 0.91% - 5s H 0 0 198358.00000 196547.308 0.91% - 5s 0 0 196547.308 0 4 198358.000 196547.308 0.91% - 5s 0 0 196549.785 0 3 198358.000 196549.785 0.91% - 5s H 0 0 198293.00000 196549.785 0.88% - 6s 0 0 196554.196 0 3 198293.000 196554.196 0.88% - 6s H 0 0 198289.00000 196554.196 0.87% - 6s 0 0 196554.634 0 2 198289.000 196554.634 0.87% - 6s 0 2 196561.655 0 2 198289.000 196561.655 0.87% - 7s H 8 5 196829.48466 196635.472 0.10% 69.0 7s H 9 2 196786.44828 196635.472 0.08% 71.1 7s H 10 2 196761.00000 196635.472 0.06% 66.3 7s * 13 2 13 196737.00000 196635.472 0.05% 54.2 7s Cutting planes: Implied bound: 137 Flow cover: 3 Explored 16 nodes (15661 simplex iterations) in 8.20 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.967370000000e+05, best bound 1.967370000000e+05, gap 0.0%