Gurobi 5.0.1 (linux64) logging started Mon Feb  4 19:08:57 2013

Optimize a model with 76153 rows, 5929 columns and 231231 nonzeros
Presolve removed 5542 rows and 3008 columns
Presolve time: 0.65s
Presolved: 70611 rows, 2921 columns, 214053 nonzeros
Variable types: 30 continuous, 2891 integer (2891 binary)
Found heuristic solution: objective 122118.00000

Root relaxation: objective 9.426167e+04, 19228 iterations, 2.28 seconds

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

     0     0 94261.6667    0   13 122118.000 94261.6667  22.8%     -    3s
H    0     0                    94282.000000 94261.6667  0.02%     -    3s
H    0     0                    94278.000000 94261.6667  0.02%     -    3s
     0     0 94261.9564    0   44 94278.0000 94261.9564  0.02%     -    3s
     0     0 94261.9564    0   14 94278.0000 94261.9564  0.02%     -    4s
     0     0 94262.0010    0   43 94278.0000 94262.0010  0.02%     -    4s
     0     2 94262.0506    0   37 94278.0000 94262.0506  0.02%     -    4s
     2     4 94262.0506    0   44 94278.0000 94262.0506  0.02%  22.0    5s
H   12    10                    94270.000000 94262.7301  0.01%   3.7    6s

Cutting planes:
  Gomory: 3
  MIR: 13
  Zero half: 5

Explored 12 nodes (28983 simplex iterations) in 6.07 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.427000000000e+04, best bound 9.426300000000e+04, gap 0.0074%