Gurobi 5.0.1 (linux64) logging started Mon Feb  4 19:06:15 2013

Optimize a model with 64897 rows, 5329 columns and 197173 nonzeros
Presolve removed 4949 rows and 2702 columns
Presolve time: 0.51s
Presolved: 59948 rows, 2627 columns, 182083 nonzeros
Variable types: 32 continuous, 2595 integer (2595 binary)
Found heuristic solution: objective 102449.00000

Root relaxation: objective 7.136008e+04, 20118 iterations, 2.02 seconds

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

     0     0 71360.0833    0   14 102449.000 71360.0833  30.3%     -    2s
H    0     0                    71384.000000 71360.0833  0.03%     -    2s
H    0     0                    71382.000000 71360.0833  0.03%     -    2s
H    0     0                    71372.000000 71360.0833  0.02%     -    2s
     0     0 71361.0000    0   25 71372.0000 71361.0000  0.02%     -    3s
     0     0 71361.0000    0   15 71372.0000 71361.0000  0.02%     -    3s
     0     0 71361.0000    0   33 71372.0000 71361.0000  0.02%     -    3s
H    0     0                    71365.000000 71361.0000  0.01%     -    3s

Cutting planes:
  Gomory: 2
  Implied bound: 1
  MIR: 10

Explored 0 nodes (25868 simplex iterations) in 3.97 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.136500000000e+04, best bound 7.136100000000e+04, gap 0.0056%