Gurobi 5.0.1 (linux64) logging started Fri Jan 18 06:03:18 2013

Optimize a model with 25800 rows, 75150 columns and 225250 nonzeros
Presolve removed 50 rows and 50 columns
Presolve time: 1.04s
Presolved: 25750 rows, 75100 columns, 200200 nonzeros
Variable types: 50100 continuous, 25000 integer (25000 binary)

Root relaxation: objective 1.824192e+05, 3980 iterations, 0.25 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     -      -    2s
     0     0 182449.652    0    8          - 182449.652     -      -    3s
     0     0 182474.758    0    8          - 182474.758     -      -    3s
     0     0 182485.390    0    6          - 182485.390     -      -    4s
     0     0 182494.176    0    8          - 182494.176     -      -    4s
     0     0 182494.890    0    6          - 182494.890     -      -    5s
     0     0 182497.407    0    6          - 182497.407     -      -    5s
     0     0 182497.407    0    6          - 182497.407     -      -    5s
     0     0 182498.201    0    6          - 182498.201     -      -    6s
     0     0 182498.234    0    6          - 182498.234     -      -    6s
     0     0 182498.234    0    6          - 182498.234     -      -    7s
H    0     0                    183390.37893 182498.234  0.49%     -    7s
     0     1 182499.316    0    6 183390.379 182499.316  0.49%     -    8s
    24     6 183085.064   13    2 183390.379 182849.627  0.29%  42.3   10s
H   27     3                    182999.09054 182853.880  0.08%  38.4   10s
*   42     5              23    182879.22514 182879.214  0.00%  27.0   10s

Cutting planes:
  Gomory: 1
  Implied bound: 26
  Flow cover: 2

Explored 43 nodes (6406 simplex iterations) in 10.98 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.828792251419e+05, best bound 1.828792141936e+05, gap 0.0000%