Gurobi 5.0.1 (linux64) logging started Mon Feb  4 18:06:51 2013

Optimize a model with 8473 rows, 1369 columns and 26011 nonzeros
Presolve removed 2311 rows and 746 columns
Presolve time: 0.06s
Presolved: 6162 rows, 623 columns, 18825 nonzeros
Variable types: 10 continuous, 613 integer (613 binary)
Found heuristic solution: objective 28983.000000

Root relaxation: objective 2.523055e+04, 1081 iterations, 0.04 seconds

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

     0     0 25230.5500    0    3 28983.0000 25230.5500  12.9%     -    0s
H    0     0                    25238.000000 25230.5500  0.03%     -    0s
     0     0 25233.8412    0   13 25238.0000 25233.8412  0.02%     -    0s
     0     0 25233.8412    0    4 25238.0000 25233.8412  0.02%     -    0s
     0     0 25233.8412    0   14 25238.0000 25233.8412  0.02%     -    0s
     0     0 25238.0000    0   13 25238.0000 25238.0000   0.0%     -    0s

Cutting planes:
  Cover: 1
  MIR: 2

Explored 1 nodes (1174 simplex iterations) in 0.17 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.523800000000e+04, best bound 2.523800000000e+04, gap 0.0%