Gurobi 5.0.1 (linux64) logging started Mon Feb  4 18:52:25 2013

Optimize a model with 10700 rows, 1600 columns and 32800 nonzeros
Presolve removed 2456 rows and 869 columns
Presolve time: 0.12s
Presolved: 8244 rows, 731 columns, 25305 nonzeros
Variable types: 16 continuous, 715 integer (715 binary)
Found heuristic solution: objective 29097.000000

Root relaxation: objective 2.231917e+04, 1875 iterations, 0.06 seconds

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

     0     0 22319.1664    0    8 29097.0000 22319.1664  23.3%     -    0s
H    0     0                    22337.000000 22319.1664  0.08%     -    0s
H    0     0                    22333.000000 22319.1664  0.06%     -    0s
H    0     0                    22330.000000 22319.1664  0.05%     -    0s
     0     0 22322.5162    0   18 22330.0000 22322.5162  0.03%     -    0s
     0     0 22322.5162    0    9 22330.0000 22322.5162  0.03%     -    0s
     0     0 22323.2694    0   16 22330.0000 22323.2694  0.03%     -    0s
     0     0 22326.0738    0   23 22330.0000 22326.0738  0.02%     -    0s
     0     1 22326.1036    0   23 22330.0000 22326.1036  0.02%     -    0s

Cutting planes:
  Gomory: 6
  MIR: 9

Explored 6 nodes (2063 simplex iterations) in 0.28 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.233000000000e+04, best bound 2.232800000000e+04, gap 0.0090%