Gurobi 5.0.1 (linux64) logging started Fri Jan 18 05:40:29 2013

Optimize a model with 320 rows, 6120 columns and 57310 nonzeros
Presolve removed 10 rows and 10 columns
Presolve time: 0.11s
Presolved: 310 rows, 6110 columns, 52300 nonzeros
Variable types: 6020 continuous, 90 integer (90 binary)

Root relaxation: objective 2.207062e+04, 192 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    3          - 22070.6191     -      -    0s
     0     0 22070.6262    0    3          - 22070.6262     -      -    0s
     0     0 22070.7487    0    3          - 22070.7487     -      -    0s
     0     0 22070.7487    0    3          - 22070.7487     -      -    0s
     0     0 22070.7676    0    3          - 22070.7676     -      -    0s
     0     0 22070.7864    0    3          - 22070.7864     -      -    0s
     0     0 22070.7864    0    3          - 22070.7864     -      -    0s
     0     0 22070.7915    0    3          - 22070.7915     -      -    0s
     0     0 22070.7932    0    3          - 22070.7932     -      -    0s
     0     0 22070.7948    0    3          - 22070.7948     -      -    0s
     0     0 22237.3867    0    3          - 22237.3867     -      -    0s
     0     0 22322.9942    0    3          - 22322.9942     -      -    0s
     0     0 22322.9942    0    3          - 22322.9942     -      -    0s
     0     2 22322.9942    0    3          - 22322.9942     -      -    1s
*   14     4              13    22333.292417 22322.9942  0.05%   5.4    1s

Explored 20 nodes (701 simplex iterations) in 1.54 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.233329241686e+04, best bound 2.233315947416e+04, gap 0.0006%