Gurobi 5.0.1 (linux64) logging started Fri Jan 18 07:12:03 2013

Optimize a model with 170 rows, 10550 columns and 130605 nonzeros
Presolve removed 5 rows and 245 columns
Presolve time: 0.38s
Presolved: 165 rows, 10305 columns, 120605 nonzeros
Variable types: 10255 continuous, 50 integer (50 binary)

Root relaxation: objective 1.704455e+04, 123 iterations, 0.01 seconds

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0 17044.5499    0    8          - 17044.5499     -      -    0s
     0     0 17044.5895    0    8          - 17044.5895     -      -    0s
     0     0 17089.9308    0    6          - 17089.9308     -      -    0s
     0     0 17089.9308    0    6          - 17089.9308     -      -    0s
H    0     0                    17091.667771 17089.9308  0.01%     -    0s
     0     0 17089.9308    0    6 17091.6678 17089.9308  0.01%     -    1s
     0     0 17089.9308    0    6 17091.6678 17089.9308  0.01%     -    1s
     0     0 17089.9329    0    6 17091.6678 17089.9329  0.01%     -    1s
     0     0 17091.1287    0    7 17091.6678 17091.1287  0.00%     -    1s

Cutting planes:
  Flow cover: 2

Explored 0 nodes (589 simplex iterations) in 1.56 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.709166777111e+04, best bound 1.709112865643e+04, gap 0.0032%