Gurobi 5.0.1 (linux64) logging started Mon Feb  4 19:07:03 2013

Optimize a model with 67599 rows, 5476 columns and 205350 nonzeros
Presolve removed 4429 rows and 2759 columns
Presolve time: 0.58s
Presolved: 63170 rows, 2717 columns, 192344 nonzeros
Variable types: 40 continuous, 2677 integer (2677 binary)
Found heuristic solution: objective 111314.00000

Root relaxation: objective 8.122086e+04, 19636 iterations, 2.04 seconds

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

     0     0 81220.8564    0   10 111314.000 81220.8564  27.0%     -    2s
H    0     0                    81240.000000 81220.8564  0.02%     -    2s
H    0     0                    81228.000000 81220.8564  0.01%     -    2s

Explored 0 nodes (19668 simplex iterations) in 2.94 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 8.122800000000e+04, best bound 8.122100000000e+04, gap 0.0086%