Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:52:01 2013

Optimize a model with 4662 rows, 4452 columns and 17682 nonzeros
Presolve removed 21 rows and 0 columns
Presolve time: 0.02s
Presolved: 4641 rows, 4452 columns, 17661 nonzeros
Variable types: 4431 continuous, 21 integer (21 binary)

Root relaxation: objective 2.725618e+04, 1040 iterations, 0.05 seconds

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

     0     0 27256.1814    0   16          - 27256.1814     -      -    0s
H    0     0                    28732.000000 27256.1814  5.14%     -    0s
*    0     0               0    28266.000000 28266.0000   0.0%     -    0s

Cutting planes:
  Gomory: 12
  Implied bound: 16

Explored 0 nodes (1236 simplex iterations) in 0.16 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.826600000000e+04, best bound 2.826600000000e+04, gap 0.0%