Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:11:15 2012

Optimize a model with 115 rows, 106 columns and 391 nonzeros
Presolve removed 0 rows and 2 columns
Presolve time: 0.00s
Presolved: 115 rows, 104 columns, 389 nonzeros
Variable types: 0 continuous, 104 integer (103 binary)
Found heuristic solution: objective 19.0000000

Root relaxation: objective 0.000000e+00, 73 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   19.00000    0.00000   100%     -    0s
H    0     0                      18.0000000    0.00000   100%     -    0s
H    0     0                      15.0000000    0.00000   100%     -    0s
     0     0    0.33719    0   44   15.00000    0.33719  97.8%     -    0s
     0     0    0.83100    0   47   15.00000    0.83100  94.5%     -    0s
H    0     0                      11.0000000    0.83100  92.4%     -    0s
H    0     0                       9.0000000    0.83100  90.8%     -    0s
     0     0    0.83345    0   50    9.00000    0.83345  90.7%     -    0s
     0     0    0.83345    0   50    9.00000    0.83345  90.7%     -    0s
H    0     0                       7.0000000    0.83345  88.1%     -    0s
H    0     0                       6.0000000    0.83345  86.1%     -    0s
     0     2    0.83664    0   49    6.00000    0.83664  86.1%     -    0s

Cutting planes:
  Gomory: 3
  Zero half: 2

Explored 75 nodes (1772 simplex iterations) in 0.07 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%