Gurobi 5.0.1 (linux64) logging started Fri Jan 18 05:39:59 2013

Optimize a model with 5160 rows, 11030 columns and 37050 nonzeros
Presolve removed 10 rows and 10 columns
Presolve time: 0.20s
Presolved: 5150 rows, 11020 columns, 32040 nonzeros
Variable types: 6020 continuous, 5000 integer (5000 binary)

Root relaxation: objective 2.207062e+04, 191 iterations, 0.01 seconds

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

     0     0 22070.6191    0    2          - 22070.6191     -      -    0s
     0     0 22096.8455    0    2          - 22096.8455     -      -    0s
     0     0 22097.0365    0    3          - 22097.0365     -      -    0s
     0     0 22097.0365    0    3          - 22097.0365     -      -    0s
     0     0 22097.0365    0    3          - 22097.0365     -      -    0s
     0     2 22097.0365    0    3          - 22097.0365     -      -    1s
*   30     6              21    22333.165576 22333.1656   0.0%   6.4    1s

Cutting planes:
  Gomory: 2
  Implied bound: 9

Explored 31 nodes (555 simplex iterations) in 1.88 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.233316557625e+04, best bound 2.233316557625e+04, gap 0.0%