Gurobi 5.0.1 (linux64) logging started Fri Nov 16 17:58:56 2012

Optimize a model with 6539 rows, 11990 columns and 31063 nonzeros
Presolve removed 476 rows and 4144 columns
Presolve time: 0.13s
Presolved: 6063 rows, 7846 columns, 25719 nonzeros
Variable types: 0 continuous, 7846 integer (7846 binary)
Found heuristic solution: objective 109.0000000

Root relaxation: objective 3.000000e+00, 4182 iterations, 0.11 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%     -    0s

Explored 0 nodes (4182 simplex iterations) in 0.26 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%