Gurobi 5.0.1 (linux64) logging started Fri Jan 18 04:04:40 2013

Optimize a model with 2160 rows, 5030 columns and 16050 nonzeros
Presolve removed 10 rows and 10 columns
Presolve time: 0.14s
Presolved: 2150 rows, 5020 columns, 14040 nonzeros
Variable types: 3020 continuous, 2000 integer (2000 binary)

Root relaxation: objective 2.207062e+04, 204 iterations, 0.00 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 22103.2251    0    2          - 22103.2251     -      -    0s
     0     0 22105.7316    0    2          - 22105.7316     -      -    0s
     0     0 22105.7316    0    2          - 22105.7316     -      -    0s
     0     0 22105.8608    0    2          - 22105.8608     -      -    0s
     0     0 22105.8608    0    2          - 22105.8608     -      -    0s
     0     2 22105.8608    0    2          - 22105.8608     -      -    0s
*   21     6              13    22333.163337 22333.1633   0.0%   6.4    0s

Cutting planes:
  Gomory: 2
  Implied bound: 11

Explored 22 nodes (541 simplex iterations) in 0.65 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.233316333700e+04, best bound 2.233316333700e+04, gap 0.0%