Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:11:05 2012

Optimize a model with 123 rows, 109 columns and 414 nonzeros
Presolve removed 0 rows and 3 columns
Presolve time: 0.00s
Presolved: 123 rows, 106 columns, 411 nonzeros
Variable types: 0 continuous, 106 integer (105 binary)
Found heuristic solution: objective 22.0000000

Root relaxation: objective 0.000000e+00, 61 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   42   22.00000    0.00000   100%     -    0s
H    0     0                      19.0000000    0.00000   100%     -    0s
H    0     0                      16.0000000    0.00000   100%     -    0s
     0     0    0.39852    0   44   16.00000    0.39852  97.5%     -    0s
     0     0    0.89322    0   48   16.00000    0.89322  94.4%     -    0s
H    0     0                      13.0000000    0.89322  93.1%     -    0s
     0     0    0.89322    0   49   13.00000    0.89322  93.1%     -    0s
     0     0    0.89322    0   49   13.00000    0.89322  93.1%     -    0s
     0     2    0.97199    0   49   13.00000    0.97199  92.5%     -    0s
*   17    15              13       9.0000000    2.71429  69.8%  14.8    0s
*   23     6               4       7.0000000    2.72727  61.0%  13.3    0s
*   34     5               9       6.0000000    4.50000  25.0%  12.8    0s

Cutting planes:
  Gomory: 3
  Mod-K: 2

Explored 41 nodes (701 simplex iterations) in 0.06 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%