Gurobi 5.0.1 (linux64) logging started Fri Nov 16 17:54:24 2012

Optimize a model with 6864 rows, 10920 columns and 31096 nonzeros
Presolve removed 244 rows and 3744 columns
Presolve time: 0.15s
Presolved: 6620 rows, 7176 columns, 26832 nonzeros
Variable types: 0 continuous, 7176 integer (7176 binary)
Found heuristic solution: objective 37.0000000

Root relaxation: objective 3.000000e+00, 6808 iterations, 0.23 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 (10020 simplex iterations) in 0.55 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%