Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:52:11 2013

Optimize a model with 5104 rows, 4884 columns and 19404 nonzeros
Presolve removed 22 rows and 0 columns
Presolve time: 0.02s
Presolved: 5082 rows, 4884 columns, 19382 nonzeros
Variable types: 4862 continuous, 22 integer (22 binary)

Root relaxation: objective 2.172511e+04, 704 iterations, 0.04 seconds

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

     0     0 21725.1105    0   17          - 21725.1105     -      -    0s
H    0     0                    23428.000000 21725.1105  7.27%     -    0s
     0     0 22685.8615    0    1 23428.0000 22685.8615  3.17%     -    0s
H    0     0                    22786.707692 22685.8615  0.44%     -    0s
H    0     0                    22736.000000 22685.8615  0.22%     -    0s

Cutting planes:
  Implied bound: 12

Explored 0 nodes (868 simplex iterations) in 0.17 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.273600000000e+04, best bound 2.273600000000e+04, gap 0.0%