Gurobi 5.0.1 (linux64) logging started Mon Feb  4 19:05:56 2013

Optimize a model with 64897 rows, 5329 columns and 197173 nonzeros
Presolve removed 4920 rows and 2701 columns
Presolve time: 0.53s
Presolved: 59977 rows, 2628 columns, 182238 nonzeros
Variable types: 33 continuous, 2595 integer (2595 binary)
Found heuristic solution: objective 119550.00000

Root relaxation: objective 8.296592e+04, 16655 iterations, 1.47 seconds

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

     0     0 82965.9167    0   11 119550.000 82965.9167  30.6%     -    2s
H    0     0                    82985.000000 82965.9167  0.02%     -    2s
H    0     0                    82976.000000 82965.9167  0.01%     -    2s
H    0     0                    82972.000000 82965.9167  0.01%     -    2s

Explored 0 nodes (16743 simplex iterations) in 2.42 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 8.297200000000e+04, best bound 8.296600000000e+04, gap 0.0072%