Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:43:11 2012

Optimize a model with 216 rows, 30 columns and 432 nonzeros
Presolve removed 154 rows and 0 columns
Presolve time: 0.00s
Presolved: 62 rows, 30 columns, 285 nonzeros
Variable types: 0 continuous, 30 integer (30 binary)
Found heuristic solution: objective 5.0000000

Root relaxation: objective 6.909091e+00, 39 iterations, 0.00 seconds

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

     0     0    6.90909    0   22    5.00000    6.90909  38.2%     -    0s
H    0     0                       6.0000000    6.90909  15.2%     -    0s

Explored 0 nodes (47 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%