Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:52:31 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 2.309072e+04, 876 iterations, 0.07 seconds

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

     0     0 23090.7217    0   19          - 23090.7217     -      -    0s
H    0     0                    24600.000000 23090.7217  6.14%     -    0s
     0     0 24482.2661    0    2 24600.0000 24482.2661  0.48%     -    0s
H    0     0                    24597.750000 24482.2661  0.47%     -    0s
H    0     0                    24483.000000 24482.2661  0.00%     -    0s

Cutting planes:
  Implied bound: 16

Explored 0 nodes (1108 simplex iterations) in 0.24 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.448300000000e+04, best bound 2.448226612903e+04, gap 0.0030%