Gurobi 5.0.1 (linux64) logging started Mon Feb  4 19:00:47 2013

Optimize a model with 45825 rows, 4225 columns and 139425 nonzeros
Presolve removed 3846 rows and 2146 columns
Presolve time: 0.31s
Presolved: 41979 rows, 2079 columns, 127611 nonzeros
Variable types: 27 continuous, 2052 integer (2052 binary)
Found heuristic solution: objective 95600.000000

Root relaxation: objective 7.261695e+04, 12625 iterations, 1.01 seconds

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

     0     0 72616.9500    0   13 95600.0000 72616.9500  24.0%     -    1s
H    0     0                    72621.000000 72616.9500  0.01%     -    1s

Explored 0 nodes (12844 simplex iterations) in 1.59 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.262100000000e+04, best bound 7.261700000000e+04, gap 0.0055%