Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:52:29 2013

Optimize a model with 6048 rows, 5808 columns and 23088 nonzeros
Presolve removed 24 rows and 0 columns
Presolve time: 0.03s
Presolved: 6024 rows, 5808 columns, 23064 nonzeros
Variable types: 5784 continuous, 24 integer (24 binary)

Root relaxation: objective 2.111866e+04, 721 iterations, 0.04 seconds

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

     0     0 21118.6607    0   18          - 21118.6607     -      -    0s
H    0     0                    22727.000000 21118.6607  7.08%     -    0s
     0     0 21994.0204    0    1 22727.0000 21994.0204  3.23%     -    0s
H    0     0                    22018.632653 21994.0204  0.11%     -    0s
H    0     0                    22001.000000 21994.0204  0.03%     -    0s
     0     0 22000.8696    0    1 22001.0000 22000.8696  0.00%     -    0s

Cutting planes:
  Implied bound: 15

Explored 0 nodes (924 simplex iterations) in 0.20 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.200100000000e+04, best bound 2.200086956522e+04, gap 0.0006%