Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:20:00 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 1.715514e+05, 2214 iterations, 0.08 seconds

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

     0     0 171551.420    0    4          - 171551.420     -      -    0s
H    0     0                    177502.89047 171551.420  3.35%     -    0s
H    0     0                    175540.05747 171551.420  2.27%     -    0s
H    0     0                    171670.24873 171551.420  0.07%     -    0s
     0     0 171553.825    0    2 171670.249 171553.825  0.07%     -    0s
     0     0 171564.828    0    2 171670.249 171564.828  0.06%     -    0s
     0     0 171569.326    0    2 171670.249 171569.326  0.06%     -    0s
     0     0 171575.343    0    2 171670.249 171575.343  0.06%     -    0s
     0     0 171578.618    0    2 171670.249 171578.618  0.05%     -    0s
     0     0 171579.745    0    2 171670.249 171579.745  0.05%     -    0s
     0     0 171583.121    0    2 171670.249 171583.121  0.05%     -    0s
*    0     0               0    171584.76124 171584.761   0.0%     -    0s

Cutting planes:
  Flow cover: 1

Explored 0 nodes (2907 simplex iterations) in 0.59 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.715847612416e+05, best bound 1.715847612416e+05, gap 0.0%