Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:18:17 2013

Optimize a model with 1100 rows, 26900 columns and 57450 nonzeros
Presolve removed 50 rows and 650 columns
Presolve time: 0.08s
Presolved: 1050 rows, 26250 columns, 56450 nonzeros
Variable types: 26050 continuous, 200 integer (200 binary)

Root relaxation: objective 1.749223e+05, 1663 iterations, 0.06 seconds

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

     0     0 174922.321    0    4          - 174922.321     -      -    0s
     0     0 174946.356    0    4          - 174946.356     -      -    0s
     0     0 174953.321    0    4          - 174953.321     -      -    0s
     0     0 174958.761    0    4          - 174958.761     -      -    0s
     0     0 174958.761    0    4          - 174958.761     -      -    0s
     0     0 174958.761    0    4          - 174958.761     -      -    0s
H    0     0                    177161.77914 174958.761  1.24%     -    0s
     0     2 174960.046    0    4 177161.779 174960.046  1.24%     -    0s
H   27    13                    176720.04275 175121.138  0.90%  21.8    1s
*   33    15              33    176398.43376 175121.138  0.72%  20.9    1s
*   64    21              15    176246.50927 175430.666  0.46%  23.6    1s
*   80    14              11    176198.97748 175895.195  0.17%  29.0    1s

Cutting planes:
  Flow cover: 6

Explored 102 nodes (4651 simplex iterations) in 1.94 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.761989774784e+05, best bound 1.761989774784e+05, gap 0.0%