Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:52:28 2013

Optimize a model with 6048 rows, 5808 columns and 23088 nonzeros
Presolve removed 24 rows and 0 columns
Presolve time: 0.03s
Presolved: 6024 rows, 5808 columns, 23064 nonzeros
Variable types: 5784 continuous, 24 integer (24 binary)

Root relaxation: objective 2.668979e+04, 1106 iterations, 0.08 seconds

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

     0     0 26689.7859    0   21          - 26689.7859     -      -    0s
H    0     0                    28617.000000 26689.7859  6.73%     -    0s
     0     0 28063.8571    0    1 28617.0000 28063.8571  1.93%     -    0s
H    0     0                    28142.714286 28063.8571  0.28%     -    0s
H    0     0                    28085.000000 28063.8571  0.08%     -    0s
     0     0 28071.8824    0    1 28085.0000 28071.8824  0.05%     -    0s
*    0     0               0    28081.000000 28081.0000   0.0%     -    0s

Cutting planes:
  Implied bound: 18

Explored 0 nodes (1490 simplex iterations) in 0.28 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.808100000000e+04, best bound 2.808100000000e+04, gap 0.0%