Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:38:40 2012

Optimize a model with 101 rows, 81 columns and 331 nonzeros
Presolve time: 0.00s
Presolved: 101 rows, 81 columns, 331 nonzeros
Variable types: 0 continuous, 81 integer (81 binary)
Found heuristic solution: objective 22.0000000

Root relaxation: objective 0.000000e+00, 46 iterations, 0.00 seconds

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

     0     0    0.00000    0   31   22.00000    0.00000   100%     -    0s
H    0     0                      13.0000000    0.00000   100%     -    0s
     0     0    0.48904    0   34   13.00000    0.48904  96.2%     -    0s
     0     2    0.51494    0   34   13.00000    0.51494  96.0%     -    0s
*    6     6               5       8.0000000    3.00000  62.5%  27.2    0s

Cutting planes:
  Gomory: 1
  Zero half: 2

Explored 18 nodes (432 simplex iterations) in 0.03 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 8.000000000000e+00, best bound 8.000000000000e+00, gap 0.0%