Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:20:10 2013

Optimize a model with 700 rows, 25250 columns and 50500 nonzeros
Presolve removed 50 rows and 50 columns
Presolve time: 0.04s
Presolved: 800 rows, 25300 columns, 50650 nonzeros
Variable types: 25200 continuous, 100 integer (100 binary)

Root relaxation: objective 1.749223e+05, 2020 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    4          - 174922.321     -      -    0s
H    0     0                    180082.59981 174922.321  2.87%     -    0s
     0     0 174946.040    0    4 180082.600 174946.040  2.85%     -    0s
     0     0 174953.455    0    4 180082.600 174953.455  2.85%     -    0s
     0     0 174958.761    0    4 180082.600 174958.761  2.85%     -    0s
     0     0 174958.761    0    4 180082.600 174958.761  2.85%     -    0s
     0     0 174958.761    0    4 180082.600 174958.761  2.85%     -    0s
     0     2 174961.242    0    4 180082.600 174961.242  2.84%     -    0s
*   11     7              10    176295.64283 175375.298  0.52%  56.9    1s
*   13     0               3    175375.29777 175375.298   0.0%  50.5    1s

Cutting planes:
  Flow cover: 6

Explored 14 nodes (2985 simplex iterations) in 1.15 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.753752977696e+05, best bound 1.753752977696e+05, gap 0.0%