Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:11:53 2012

Optimize a model with 2131 rows, 1722 columns and 7911 nonzeros
Presolve removed 207 rows and 2 columns
Presolve time: 0.10s
Presolved: 1965 rows, 1720 columns, 9006 nonzeros
Variable types: 0 continuous, 1720 integer (1720 binary)
Found heuristic solution: objective 41.0000000

Root relaxation: objective 3.000000e+00, 1427 iterations, 0.04 seconds

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

     0     0    3.00000    0   18   41.00000    3.00000  92.7%     -    0s
H    0     0                       4.0000000    3.00000  25.0%     -    0s
H    0     0                       3.0000000    3.00000   0.0%     -    0s

Explored 0 nodes (4710 simplex iterations) in 0.31 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%