Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:53:47 2013

Optimize a model with 9330 rows, 9030 columns and 36030 nonzeros
Presolve removed 571 rows and 0 columns
Presolve time: 0.05s
Presolved: 8759 rows, 9030 columns, 34888 nonzeros
Variable types: 9000 continuous, 30 integer (30 binary)

Root relaxation: objective 2.838600e+04, 932 iterations, 0.04 seconds

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

*    0     0               0    28386.000000 28386.0000   0.0%     -    0s

Explored 0 nodes (932 simplex iterations) in 0.10 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.838600000000e+04, best bound 2.838600000000e+04, gap 0.0%