Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:43:12 2012

Optimize a model with 261 rows, 33 columns and 522 nonzeros
Presolve removed 177 rows and 1 columns
Presolve time: 0.00s
Presolved: 84 rows, 32 columns, 390 nonzeros
Variable types: 0 continuous, 32 integer (32 binary)
Found heuristic solution: objective 6.0000000

Root relaxation: objective 7.244898e+00, 54 iterations, 0.00 seconds

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

     0     0    7.24490    0   28    6.00000    7.24490  20.7%     -    0s
     0     0     cutoff    0         6.00000    6.99999  16.7%     -    0s

Explored 0 nodes (60 simplex iterations) in 0.00 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0%