Gurobi 5.0.1 (linux64) logging started Tue Nov 20 12:31:58 2012

Optimize a model with 81 rows, 52 columns and 162 nonzeros
Presolve removed 41 rows and 19 columns
Presolve time: 0.00s
Presolved: 40 rows, 33 columns, 83 nonzeros
Variable types: 0 continuous, 33 integer (33 binary)
Found heuristic solution: objective 25.0000000

Root relaxation: objective 2.666667e+01, 39 iterations, 0.00 seconds

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

     0     0   26.66667    0   32   25.00000   26.66667  6.67%     -    0s
H    0     0                      26.0000000   26.66667  2.56%     -    0s

Explored 0 nodes (42 simplex iterations) in 0.00 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.600000000000e+01, best bound 2.600000000000e+01, gap 0.0%