Gurobi 5.0.1 (linux64) logging started Fri Jan 18 04:32:30 2013

Optimize a model with 10800 rows, 45150 columns and 120250 nonzeros
Presolve removed 50 rows and 50 columns
Presolve time: 0.40s
Presolved: 10750 rows, 45100 columns, 110200 nonzeros
Variable types: 35100 continuous, 10000 integer (10000 binary)

Root relaxation: objective 1.824192e+05, 4167 iterations, 0.23 seconds

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

     0     0 182419.206    0    2          - 182419.206     -      -    0s
     0     0 182452.904    0    6          - 182452.904     -      -    1s
     0     0 182462.282    0   10          - 182462.282     -      -    1s
     0     0 182475.066    0    6          - 182475.066     -      -    1s
     0     0 182480.045    0    4          - 182480.045     -      -    1s
     0     0 182480.327    0    4          - 182480.327     -      -    1s
     0     0 182480.327    0    4          - 182480.327     -      -    2s
     0     0 182480.327    0    4          - 182480.327     -      -    2s
     0     2 182480.327    0    4          - 182480.327     -      -    3s
    19    21 183393.188   10    2          - 182841.929     -    163    5s
*   27     5              14    182900.20810 182868.601  0.02%   129    5s
H   55     4                    182879.22514 182879.139  0.00%  64.9    5s

Cutting planes:
  Gomory: 1
  Implied bound: 17
  Flow cover: 1

Explored 55 nodes (8689 simplex iterations) in 5.99 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.828792251419e+05, best bound 1.828791386414e+05, gap 0.0000%