Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:46:29 2013

Optimize a model with 1050 rows, 25650 columns and 52000 nonzeros
Presolve removed 100 rows and 100 columns
Presolve time: 0.25s
Presolved: 950 rows, 25550 columns, 51650 nonzeros
Variable types: 25350 continuous, 200 integer (200 binary)

Root relaxation: objective 1.749223e+05, 1833 iterations, 0.09 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
H    0     0                    212268.43955 174922.321  17.6%     -    0s
     0     0 174945.093    0    2 212268.440 174945.093  17.6%     -    0s
     0     0 174958.761    0    2 212268.440 174958.761  17.6%     -    0s
     0     0 174958.761    0    2 212268.440 174958.761  17.6%     -    0s
     0     0 174958.761    0    2 212268.440 174958.761  17.6%     -    0s
     0     2 174961.242    0    2 212268.440 174961.242  17.6%     -    1s
H   27     8                    175857.53946 175072.609  0.45%  12.9    2s

Cutting planes:
  Flow cover: 5

Explored 35 nodes (2757 simplex iterations) in 2.22 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.758575394634e+05, best bound 1.758575394634e+05, gap 0.0%