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

Optimize a model with 69 rows, 48 columns and 138 nonzeros
Presolve removed 28 rows and 17 columns
Presolve time: 0.00s
Presolved: 41 rows, 31 columns, 86 nonzeros
Variable types: 0 continuous, 31 integer (31 binary)
Found heuristic solution: objective 24.0000000

Root relaxation: objective 2.550000e+01, 38 iterations, 0.00 seconds

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

     0     0   25.50000    0   31   24.00000   25.50000  6.25%     -    0s
H    0     0                      25.0000000   25.50000  2.00%     -    0s

Explored 0 nodes (43 simplex iterations) in 0.00 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.500000000000e+01, best bound 2.500000000000e+01, gap 0.0%