Gurobi 5.0.1 (linux64) logging started Fri Nov 16 20:46:37 2012

Optimize a model with 15509 rows, 20022 columns and 65845 nonzeros
Presolve removed 317 rows and 4655 columns
Presolve time: 0.31s
Presolved: 15192 rows, 15367 columns, 60271 nonzeros
Variable types: 0 continuous, 15367 integer (15367 binary)
Found heuristic solution: objective 141.0000000

Root relaxation: objective 3.000000e+00, 10920 iterations, 0.73 seconds

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

*    0     0               0       3.0000000    3.00000   0.0%     -    4s

Explored 0 nodes (30825 simplex iterations) in 4.80 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%