Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:44:58 2013

Optimize a model with 950 rows, 25850 columns and 52050 nonzeros
Presolve removed 100 rows and 150 columns
Presolve time: 0.34s
Presolved: 850 rows, 25700 columns, 51400 nonzeros
Variable types: 25500 continuous, 200 integer (200 binary)

Root relaxation: objective 1.749223e+05, 1856 iterations, 0.13 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
H    0     0                    176215.21411 174922.321  0.73%     -    0s
     0     0 174945.567    0    2 176215.214 174945.567  0.72%     -    0s
     0     0 174953.024    0    2 176215.214 174953.024  0.72%     -    0s
     0     0 174958.761    0    2 176215.214 174958.761  0.71%     -    0s
     0     0 174958.761    0    2 176215.214 174958.761  0.71%     -    0s
     0     0 174958.761    0    2 176215.214 174958.761  0.71%     -    0s
     0     2 174961.242    0    2 176215.214 174961.242  0.71%     -    1s
H   27     4                    175857.53946 175365.356  0.28%  13.1    1s

Cutting planes:
  Flow cover: 6

Explored 36 nodes (2831 simplex iterations) in 1.69 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%