Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:56:25 2013

Optimize a model with 2700 rows, 27100 columns and 58050 nonzeros
Presolve removed 150 rows and 100 columns
Presolve time: 0.23s
Presolved: 2550 rows, 27000 columns, 55900 nonzeros
Variable types: 26050 continuous, 950 integer (950 binary)

Root relaxation: objective 1.715514e+05, 5006 iterations, 0.31 seconds

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

     0     0 171551.420    0    2          - 171551.420     -      -    0s
     0     0 171553.825    0    1          - 171553.825     -      -    0s
H    0     0                    171615.96545 171553.825  0.04%     -    0s
     0     0 171564.828    0    1 171615.965 171564.828  0.03%     -    0s
     0     0 171569.326    0    1 171615.965 171569.326  0.03%     -    0s
     0     0 171569.505    0    1 171615.965 171569.505  0.03%     -    0s
     0     0 171575.343    0    1 171615.965 171575.343  0.02%     -    0s
     0     0 171578.618    0    1 171615.965 171578.618  0.02%     -    0s
     0     0 171583.121    0    1 171615.965 171583.121  0.02%     -    0s
*    0     0               0    171584.76124 171584.761   0.0%     -    0s

Cutting planes:
  Flow cover: 1

Explored 0 nodes (5031 simplex iterations) in 0.99 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%