Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:10:11 2012

Optimize a model with 101 rows, 91 columns and 341 nonzeros
Presolve removed 0 rows and 5 columns
Presolve time: 0.00s
Presolved: 101 rows, 86 columns, 336 nonzeros
Variable types: 0 continuous, 86 integer (85 binary)
Found heuristic solution: objective 17.0000000

Root relaxation: objective 0.000000e+00, 44 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   35   17.00000    0.00000   100%     -    0s
H    0     0                      13.0000000    0.00000   100%     -    0s
H    0     0                      12.0000000    0.00000   100%     -    0s
     0     0    0.28846    0   37   12.00000    0.28846  97.6%     -    0s
H    0     0                      10.0000000    0.28846  97.1%     -    0s
     0     0    0.84781    0   39   10.00000    0.84781  91.5%     -    0s
H    0     0                       8.0000000    0.84781  89.4%     -    0s
     0     2    0.87866    0   39    8.00000    0.87866  89.0%     -    0s
*    9     6               5       7.0000000    2.39203  65.8%  21.3    0s
*   10     3               5       6.0000000    2.39203  60.1%  19.3    0s

Cutting planes:
  Gomory: 3
  Zero half: 1

Explored 20 nodes (429 simplex iterations) in 0.04 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%