Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:15:47 2013

Optimize a model with 260 rows, 1230 columns and 2750 nonzeros
Presolve removed 20 rows and 20 columns
Presolve time: 0.00s
Presolved: 240 rows, 1210 columns, 2680 nonzeros
Variable types: 1120 continuous, 90 integer (90 binary)

Root relaxation: objective 2.337984e+04, 125 iterations, 0.00 seconds

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

     0     0 23379.8401    0    1          - 23379.8401     -      -    0s
     0     0 23391.8628    0    1          - 23391.8628     -      -    0s
     0     0 23442.7860    0    2          - 23442.7860     -      -    0s
     0     0 23443.7578    0    1          - 23443.7578     -      -    0s
     0     0 23443.7578    0    1          - 23443.7578     -      -    0s
H    0     0                    24387.719818 23443.7578  3.87%     -    0s
     0     2 23466.4982    0    1 24387.7198 23466.4982  3.78%     -    0s
*    8     4               6    23526.709807 23526.1255  0.00%  12.5    0s

Cutting planes:
  Gomory: 2
  Flow cover: 1

Explored 9 nodes (286 simplex iterations) in 0.05 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.352670980679e+04, best bound 2.352612554085e+04, gap 0.0025%