Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:24:40 2013

Optimize a model with 1793 rows, 484 columns and 5566 nonzeros
Presolve removed 337 rows and 245 columns
Presolve time: 0.02s
Presolved: 1456 rows, 239 columns, 4614 nonzeros
Variable types: 13 continuous, 226 integer (226 binary)
Found heuristic solution: objective 8064.0000000

Root relaxation: objective 5.225958e+03, 1483 iterations, 0.03 seconds

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

     0     0 5225.95833    0    8 8064.00000 5225.95833  35.2%     -    0s
H    0     0                    5234.0000000 5225.95833  0.15%     -    0s
H    0     0                    5233.0000000 5225.95833  0.13%     -    0s
     0     0 5226.00000    0    9 5233.00000 5226.00000  0.13%     -    0s
     0     0 5226.00000    0    7 5233.00000 5226.00000  0.13%     -    0s
     0     0 5226.00000    0   14 5233.00000 5226.00000  0.13%     -    0s
     0     0 5226.00607    0   25 5233.00000 5226.00607  0.13%     -    0s
     0     0 5226.02360    0   26 5233.00000 5226.02360  0.13%     -    0s
     0     2 5226.03016    0   26 5233.00000 5226.03016  0.13%     -    0s
H  303   108                    5232.0000000 5226.91667  0.10%   8.3    0s

Cutting planes:
  Gomory: 3
  Cover: 24
  Implied bound: 19
  MIR: 23
  GUB cover: 1
  Zero half: 3

Explored 1401 nodes (10637 simplex iterations) in 0.37 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 5.232000000000e+03, best bound 5.232000000000e+03, gap 0.0%