Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:19:49 2012

Optimize a model with 6695 rows, 3906 columns and 23682 nonzeros
Presolve removed 809 rows and 64 columns
Presolve time: 0.21s
Presolved: 5886 rows, 3842 columns, 21570 nonzeros
Variable types: 0 continuous, 3842 integer (3842 binary)
Found heuristic solution: objective 62.0000000

Root relaxation: objective 3.000000e+00, 4787 iterations, 0.48 seconds

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

     0     0    3.00000    0   70   62.00000    3.00000  95.2%     -    2s
H    0     0                       6.0000000    3.00000  50.0%     -    2s
H    0     0                       4.0000000    3.00000  25.0%     -    2s
H    0     0                       3.0000000    3.00000   0.0%     -    2s

Explored 0 nodes (16027 simplex iterations) in 2.37 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%