Gurobi 5.0.1 (linux64) logging started Mon Feb  4 18:52:32 2013

Optimize a model with 11521 rows, 1681 columns and 35301 nonzeros
Presolve removed 1227 rows and 852 columns
Presolve time: 0.07s
Presolved: 10294 rows, 829 columns, 31604 nonzeros
Variable types: 19 continuous, 810 integer (810 binary)
Found heuristic solution: objective 33676.000000

Root relaxation: objective 2.403099e+04, 5950 iterations, 0.23 seconds

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

     0     0 24030.9923    0   10 33676.0000 24030.9923  28.6%     -    0s
H    0     0                    24049.000000 24030.9923  0.07%     -    0s
H    0     0                    24039.000000 24030.9923  0.03%     -    0s
     0     0 24033.3947    0   20 24039.0000 24033.3947  0.02%     -    0s
     0     0 24033.3947    0    9 24039.0000 24033.3947  0.02%     -    0s
     0     0 24033.3947    0   23 24039.0000 24033.3947  0.02%     -    0s
     0     0 24033.5000    0   15 24039.0000 24033.5000  0.02%     -    0s
     0     2 24033.8769    0   15 24039.0000 24033.8769  0.02%     -    0s
*   49    18              34    24038.000000 24034.0000  0.02%  13.4    0s
*  157    20              23    24037.000000 24034.9529  0.01%   9.4    0s

Cutting planes:
  Gomory: 11
  Cover: 4
  Implied bound: 1
  MIR: 17
  Zero half: 9

Explored 158 nodes (7738 simplex iterations) in 0.57 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.403700000000e+04, best bound 2.403500000000e+04, gap 0.0083%