Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:52:26 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 2.038821e+04, 534 iterations, 0.03 seconds

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

     0     0 20388.2101    0   17          - 20388.2101     -      -    0s
H    0     0                    21722.000000 20388.2101  6.14%     -    0s
     0     0 21128.4672    0    2 21722.0000 21128.4672  2.73%     -    0s
H    0     0                    21577.760101 21128.4672  2.08%     -    0s
H    0     0                    21137.000000 21128.4672  0.04%     -    0s

Cutting planes:
  Implied bound: 15

Explored 0 nodes (788 simplex iterations) in 0.20 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.113700000000e+04, best bound 2.113700000000e+04, gap 0.0%