Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:51:46 2013

Optimize a model with 3838 rows, 3648 columns and 14478 nonzeros
Presolve removed 19 rows and 0 columns
Presolve time: 0.01s
Presolved: 3819 rows, 3648 columns, 14459 nonzeros
Variable types: 3629 continuous, 19 integer (19 binary)

Root relaxation: objective 1.932949e+04, 514 iterations, 0.02 seconds

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

     0     0 19329.4872    0   10          - 19329.4872     -      -    0s
H    0     0                    20013.000000 19329.4872  3.42%     -    0s
*    0     0               0    19974.000000 19974.0000   0.0%     -    0s

Cutting planes:
  Gomory: 5
  Implied bound: 10

Explored 0 nodes (632 simplex iterations) in 0.09 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.997400000000e+04, best bound 1.997400000000e+04, gap 0.0%