Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:52:14 2013

Optimize a model with 5543 rows, 5313 columns and 21183 nonzeros
Presolve removed 413 rows and 0 columns
Presolve time: 0.03s
Presolved: 5130 rows, 5313 columns, 20357 nonzeros
Variable types: 5290 continuous, 23 integer (23 binary)

Root relaxation: objective 1.980347e+04, 387 iterations, 0.01 seconds

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

     0     0 19803.4651    0    1          - 19803.4651     -      -    0s
H    0     0                    19835.000000 19803.4651  0.16%     -    0s
*    0     0               0    19831.000000 19831.0000   0.0%     -    0s

Explored 0 nodes (391 simplex iterations) in 0.08 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.983100000000e+04, best bound 1.983100000000e+04, gap 0.0%