Gurobi 5.0.1 (linux64) logging started Fri Jan 18 04:34:17 2013

Optimize a model with 1500 rows, 35550 columns and 151400 nonzeros
Presolve removed 50 rows and 50 columns
Presolve time: 0.20s
Presolved: 1450 rows, 35500 columns, 141350 nonzeros
Variable types: 35100 continuous, 400 integer (400 binary)

Root relaxation: objective 1.650739e+05, 2936 iterations, 0.10 seconds

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

     0     0 165073.856    0    6          - 165073.856     -      -    0s
     0     0 165080.431    0    6          - 165080.431     -      -    0s
     0     0 165086.692    0   12          - 165086.692     -      -    0s
     0     0 165086.692    0   12          - 165086.692     -      -    0s
     0     0 165087.000    0   12          - 165087.000     -      -    0s
     0     0 165087.000    0   12          - 165087.000     -      -    0s
     0     0 165087.000    0   12          - 165087.000     -      -    1s
     0     0 165087.000    0   12          - 165087.000     -      -    1s
     0     0 165087.000    0   12          - 165087.000     -      -    1s
     0     0 165087.000    0   12          - 165087.000     -      -    1s
     0     2 165104.630    0   12          - 165104.630     -      -    2s
*   24     8              23    165702.75055 165477.522  0.14%  23.5    3s
H   27     3                    165690.43796 165480.086  0.13%  25.5    3s
*   44    10              20    165630.32986 165530.442  0.06%  18.0    3s

Cutting planes:
  Flow cover: 9

Explored 49 nodes (4698 simplex iterations) in 3.99 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.656303298588e+05, best bound 1.656155793615e+05, gap 0.0089%