Gurobi 5.0.1 (linux64) logging started Mon Feb  4 19:08:04 2013

Optimize a model with 73226 rows, 5776 columns and 222376 nonzeros
Presolve removed 4792 rows and 2916 columns
Presolve time: 0.57s
Presolved: 68434 rows, 2860 columns, 207930 nonzeros
Variable types: 36 continuous, 2824 integer (2824 binary)
Found heuristic solution: objective 125479.00000

Root relaxation: objective 9.169179e+04, 26561 iterations, 3.10 seconds

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

     0     0 91691.7895    0   17 125479.000 91691.7895  26.9%     -    3s
H    0     0                    91724.000000 91691.7895  0.04%     -    4s
H    0     0                    91704.000000 91691.7895  0.01%     -    4s
     0     0 91692.6316    0   27 91704.0000 91692.6316  0.01%     -    4s
     0     0 91692.6316    0   18 91704.0000 91692.6316  0.01%     -    5s
     0     0 91692.6815    0   37 91704.0000 91692.6815  0.01%     -    5s
     0     2 91693.3019    0   37 91704.0000 91693.3019  0.01%     -    5s
H    5     5                    91702.000000 91693.3019  0.01%   6.2    6s

Cutting planes:
  Gomory: 2
  Implied bound: 1
  MIR: 4

Explored 5 nodes (33798 simplex iterations) in 6.02 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.170200000000e+04, best bound 9.169400000000e+04, gap 0.0087%