Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:51:59 2013

Optimize a model with 4662 rows, 4452 columns and 17682 nonzeros
Presolve removed 21 rows and 0 columns
Presolve time: 0.02s
Presolved: 4641 rows, 4452 columns, 17661 nonzeros
Variable types: 4431 continuous, 21 integer (21 binary)

Root relaxation: objective 2.298228e+04, 632 iterations, 0.04 seconds

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

     0     0 22982.2821    0   11          - 22982.2821     -      -    0s
H    0     0                    23510.000000 22982.2821  2.24%     -    0s
     0     0 23431.2825    0    3 23510.0000 23431.2825  0.33%     -    0s
H    0     0                    23449.000000 23431.2825  0.08%     -    0s
     0     0 23448.8947    0    1 23449.0000 23448.8947  0.00%     -    0s

Cutting planes:
  Implied bound: 11

Explored 0 nodes (792 simplex iterations) in 0.16 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.344900000000e+04, best bound 2.344889473684e+04, gap 0.0004%