Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:51:55 2013

Optimize a model with 4641 rows, 4431 columns and 17661 nonzeros
Presolve removed 40 rows and 0 columns
Presolve time: 0.03s
Presolved: 4601 rows, 4431 columns, 17581 nonzeros
Variable types: 4410 continuous, 21 integer (21 binary)

Root relaxation: objective 2.174700e+04, 493 iterations, 0.02 seconds

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

*    0     0               0    21747.000000 21747.0000   0.0%     -    0s

Explored 0 nodes (493 simplex iterations) in 0.05 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.174700000000e+04, best bound 2.174700000000e+04, gap 0.0%