Gurobi 5.0.1 (linux64) logging started Mon Feb  4 18:53:37 2013

Optimize a model with 15225 rows, 2025 columns and 46575 nonzeros
Presolve removed 1606 rows and 1028 columns
Presolve time: 0.10s
Presolved: 13619 rows, 997 columns, 41739 nonzeros
Variable types: 21 continuous, 976 integer (976 binary)
Found heuristic solution: objective 46087.000000

Root relaxation: objective 3.621862e+04, 8156 iterations, 0.41 seconds

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

     0     0 36218.6250    0   12 46087.0000 36218.6250  21.4%     -    0s
H    0     0                    36239.000000 36218.6250  0.06%     -    0s
H    0     0                    36236.000000 36218.6250  0.05%     -    0s
     0     0 36218.6250    0   18 36236.0000 36218.6250  0.05%     -    0s
     0     0 36218.6250    0   14 36236.0000 36218.6250  0.05%     -    0s
H    0     0                    36226.000000 36218.6250  0.02%     -    0s
H    0     0                    36225.000000 36218.6250  0.02%     -    0s
     0     0 36218.6250    0   22 36225.0000 36218.6250  0.02%     -    0s
     0     1 36218.6791    0   18 36225.0000 36218.6791  0.02%     -    0s
H    3     2                    36223.000000 36218.6791  0.01%  17.7    0s

Cutting planes:
  Implied bound: 1
  MIR: 4

Explored 46 nodes (11405 simplex iterations) in 0.95 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.622300000000e+04, best bound 3.622000000000e+04, gap 0.0083%