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

Optimize a model with 64 rows, 47 columns and 128 nonzeros
Presolve removed 60 rows and 43 columns
Presolve time: 0.00s
Presolved: 4 rows, 4 columns, 8 nonzeros
Variable types: 0 continuous, 4 integer (4 binary)
Found heuristic solution: objective 25.0000000

Root relaxation: cutoff, 2 iterations, 0.00 seconds

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

     0     0     cutoff    0        25.00000   25.99997  4.00%     -    0s

Explored 0 nodes (2 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%