Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:20:44 2012

Optimize a model with 6551 rows, 4032 columns and 23371 nonzeros
Presolve removed 695 rows and 2 columns
Presolve time: 0.19s
Presolved: 5919 rows, 4030 columns, 25453 nonzeros
Variable types: 0 continuous, 4030 integer (4030 binary)
Found heuristic solution: objective 63.0000000

Root relaxation: objective 3.000000e+00, 3990 iterations, 0.35 seconds

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

     0     0    3.00000    0   45   63.00000    3.00000  95.2%     -    1s
H    0     0                       3.0000000    3.00000   0.0%     -    1s

Explored 0 nodes (17559 simplex iterations) in 1.71 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%