Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:52:27 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 2.877462e+04, 1240 iterations, 0.08 seconds

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

     0     0 28774.6216    0   18          - 28774.6216     -      -    0s
H    0     0                    30653.000000 28774.6216  6.13%     -    0s
*    0     0               0    30453.000000 30453.0000   0.0%     -    0s

Cutting planes:
  Gomory: 13
  Implied bound: 18

Explored 0 nodes (1471 simplex iterations) in 0.22 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.045300000000e+04, best bound 3.045300000000e+04, gap 0.0%