Gurobi 5.0.1 (linux64) logging started Fri Nov 16 20:31:37 2012

Optimize a model with 15660 rows, 18360 columns and 64800 nonzeros
Presolve removed 293 rows and 3105 columns
Presolve time: 0.34s
Presolved: 15367 rows, 15255 columns, 61020 nonzeros
Variable types: 0 continuous, 15255 integer (15255 binary)
Found heuristic solution: objective 54.0000000
Found heuristic solution: objective 3.0000000

Root relaxation: cutoff, 15673 iterations, 1.12 seconds

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

     0     0     cutoff    0         3.00000    2.00000  33.3%     -    1s

Explored 0 nodes (15673 simplex iterations) in 1.50 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%