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 2.113069e+04, 658 iterations, 0.04 seconds

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

     0     0 21130.6889    0   19          - 21130.6889     -      -    0s
H    0     0                    23457.000000 21130.6889  9.92%     -    0s
     0     0 22434.4235    0    4 23457.0000 22434.4235  4.36%     -    0s
     0     0 22436.8974    0    4 23457.0000 22436.8974  4.35%     -    0s
H    0     0                    22464.000000 22436.8974  0.12%     -    0s
     0     0 22455.8928    0    4 22464.0000 22455.8928  0.04%     -    0s
     0     0 22462.6000    0    1 22464.0000 22462.6000  0.01%     -    0s

Cutting planes:
  Implied bound: 17

Explored 0 nodes (1016 simplex iterations) in 0.27 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.246400000000e+04, best bound 2.246260000000e+04, gap 0.0062%