Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:52:32 2013

Optimize a model with 6525 rows, 6275 columns and 25025 nonzeros
Presolve removed 349 rows and 0 columns
Presolve time: 0.03s
Presolved: 6176 rows, 6275 columns, 24327 nonzeros
Variable types: 6250 continuous, 25 integer (25 binary)

Root relaxation: objective 2.182964e+04, 899 iterations, 0.05 seconds

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

     0     0 21829.6374    0    3          - 21829.6374     -      -    0s
H    0     0                    22077.000000 21829.6374  1.12%     -    0s
     0     0 21833.0826    0    4 22077.0000 21833.0826  1.10%     -    0s
H    0     0                    21921.000000 21833.0826  0.40%     -    0s
     0     2 21839.1515    0    2 21921.0000 21839.1515  0.37%     -    0s
*    3     3               3    21886.000000 21886.0000   0.0%  16.7    0s

Cutting planes:
  Gomory: 1
  Flow cover: 1

Explored 4 nodes (979 simplex iterations) in 0.27 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.188600000000e+04, best bound 2.188600000000e+04, gap 0.0%