Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:52:40 2013

Optimize a model with 6550 rows, 6300 columns and 25050 nonzeros
Presolve removed 25 rows and 0 columns
Presolve time: 0.03s
Presolved: 6525 rows, 6300 columns, 25025 nonzeros
Variable types: 6275 continuous, 25 integer (25 binary)

Root relaxation: objective 2.681485e+04, 1196 iterations, 0.11 seconds

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

     0     0 26814.8466    0   24          - 26814.8466     -      -    0s
H    0     0                    29604.000000 26814.8466  9.42%     -    0s
     0     0 28487.9048    0    1 29604.0000 28487.9048  3.77%     -    0s
H    0     0                    28599.809524 28487.9048  0.39%     -    0s
H    0     0                    28563.000000 28487.9048  0.26%     -    0s
     0     0 28487.9048    0    1 28563.0000 28487.9048  0.26%     -    0s
     0     2 28491.0000    0    1 28563.0000 28491.0000  0.25%     -    0s
*    1     1               1    28492.000000 28492.0000   0.0%  18.0    0s

Cutting planes:
  Gomory: 1
  Implied bound: 17

Explored 2 nodes (1536 simplex iterations) in 0.40 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.849200000000e+04, best bound 2.849200000000e+04, gap 0.0%