Gurobi 5.0.1 (linux64) logging started Mon Feb  4 19:06:54 2013

Optimize a model with 67599 rows, 5476 columns and 205350 nonzeros
Presolve removed 4013 rows and 2759 columns
Presolve time: 0.49s
Presolved: 63586 rows, 2717 columns, 193172 nonzeros
Variable types: 34 continuous, 2683 integer (2683 binary)
Found heuristic solution: objective 120861.00000

Root relaxation: objective 9.244045e+04, 17189 iterations, 1.70 seconds

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

     0     0 92440.4500    0    9 120861.000 92440.4500  23.5%     -    2s
H    0     0                    92452.000000 92440.4500  0.01%     -    2s
H    0     0                    92449.000000 92440.4500  0.01%     -    2s

Explored 0 nodes (17539 simplex iterations) in 2.75 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.244900000000e+04, best bound 9.244100000000e+04, gap 0.0087%