Gurobi 5.0.1 (linux64) logging started Mon Feb  4 19:07:08 2013

Optimize a model with 67599 rows, 5476 columns and 205350 nonzeros
Presolve removed 6775 rows and 2800 columns
Presolve time: 0.60s
Presolved: 60824 rows, 2676 columns, 184881 nonzeros
Variable types: 34 continuous, 2642 integer (2642 binary)
Found heuristic solution: objective 104110.00000

Root relaxation: objective 7.433025e+04, 15904 iterations, 1.42 seconds

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

     0     0 74330.2500    0   11 104110.000 74330.2500  28.6%     -    2s
H    0     0                    74339.000000 74330.2500  0.01%     -    2s
H    0     0                    74335.000000 74330.2500  0.01%     -    2s

Explored 0 nodes (15970 simplex iterations) in 2.37 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.433500000000e+04, best bound 7.433100000000e+04, gap 0.0054%