Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:54:08 2013

Optimize a model with 9951 rows, 9641 columns and 38471 nonzeros
Presolve removed 1509 rows and 0 columns
Presolve time: 0.05s
Presolved: 8442 rows, 9641 columns, 35453 nonzeros
Variable types: 9610 continuous, 31 integer (31 binary)

Root relaxation: objective 2.811792e+04, 1041 iterations, 0.05 seconds

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

     0     0 28117.9200    0    1          - 28117.9200     -      -    0s
H    0     0                    28120.000000 28117.9200  0.01%     -    0s

Explored 0 nodes (1041 simplex iterations) in 0.13 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.812000000000e+04, best bound 2.811792000000e+04, gap 0.0074%