Gurobi 5.0.1 (linux64) logging started Fri Jan 18 04:31:36 2013

Optimize a model with 10800 rows, 45150 columns and 120250 nonzeros
Presolve removed 50 rows and 50 columns
Presolve time: 0.33s
Presolved: 10750 rows, 45100 columns, 110200 nonzeros
Variable types: 35100 continuous, 10000 integer (10000 binary)

Root relaxation: objective 2.252562e+05, 5319 iterations, 0.26 seconds

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

     0     0 225256.157    0    2          - 225256.157     -      -    0s
     0     0 225303.689    0    7          - 225303.689     -      -    1s
     0     0 225319.371    0    6          - 225319.371     -      -    1s
     0     0 225322.348    0    8          - 225322.348     -      -    1s
     0     0 225326.040    0    6          - 225326.040     -      -    1s
     0     0 225339.781    0    8          - 225339.781     -      -    1s
     0     0 225349.084    0    4          - 225349.084     -      -    2s
     0     0 225418.447    0    6          - 225418.447     -      -    2s
     0     0 225424.767    0    8          - 225424.767     -      -    2s
     0     0 225428.245    0    6          - 225428.245     -      -    2s
     0     0 225430.376    0    6          - 225430.376     -      -    2s
     0     0 225430.376    0    6          - 225430.376     -      -    2s
     0     0 225430.376    0    6          - 225430.376     -      -    3s
     0     0 225430.376    0    6          - 225430.376     -      -    3s
     0     2 225430.376    0    6          - 225430.376     -      -    5s
*   24     6              12    225915.15199 225915.152   0.0%   242    7s

Cutting planes:
  Gomory: 1
  Implied bound: 75
  Flow cover: 4

Explored 25 nodes (12230 simplex iterations) in 7.92 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.259151519913e+05, best bound 2.259151519913e+05, gap 0.0%