Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:57:01 2013

Optimize a model with 2700 rows, 27100 columns and 58050 nonzeros
Presolve removed 150 rows and 100 columns
Presolve time: 0.43s
Presolved: 2550 rows, 27000 columns, 55900 nonzeros
Variable types: 26050 continuous, 950 integer (950 binary)

Root relaxation: objective 1.749223e+05, 3563 iterations, 0.27 seconds

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

     0     0 174922.321    0    2          - 174922.321     -      -    0s
     0     0 174945.567    0    2          - 174945.567     -      -    0s
     0     0 174953.024    0    2          - 174953.024     -      -    1s
     0     0 174958.761    0    2          - 174958.761     -      -    1s
     0     0 174958.761    0    2          - 174958.761     -      -    1s
H    0     0                    178511.00724 174958.761  1.99%     -    1s
     0     2 174961.242    0    2 178511.007 174961.242  1.99%     -    1s
H   54    35                    177163.37382 175357.819  1.02%  17.8    4s
    59    39 175728.302   59    1 177163.374 175357.819  1.02%  18.0    5s
H   94    25                    176265.96883 175357.819  0.52%  16.5    6s
*  260     0              65    176208.61401 176208.614   0.0%  26.8    9s

Cutting planes:
  Flow cover: 6

Explored 261 nodes (10629 simplex iterations) in 9.01 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.762086140087e+05, best bound 1.762086140087e+05, gap 0.0%