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

Optimize a model with 131 rows, 114 columns and 439 nonzeros
Presolve removed 0 rows and 3 columns
Presolve time: 0.00s
Presolved: 131 rows, 111 columns, 436 nonzeros
Variable types: 0 continuous, 111 integer (110 binary)
Found heuristic solution: objective 20.0000000

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   45   20.00000    0.00000   100%     -    0s
H    0     0                      14.0000000    0.00000   100%     -    0s
     0     0    0.31343    0   47   14.00000    0.31343  97.8%     -    0s
H    0     0                      11.0000000    0.31343  97.2%     -    0s
     0     0    0.80629    0   50   11.00000    0.80629  92.7%     -    0s
     0     0    0.81261    0   51   11.00000    0.81261  92.6%     -    0s
     0     0    0.81261    0   51   11.00000    0.81261  92.6%     -    0s
H    0     0                      10.0000000    0.81261  91.9%     -    0s
     0     2    0.81282    0   51   10.00000    0.81282  91.9%     -    0s
*   16     9              13       7.0000000    2.58724  63.0%  16.7    0s
*   30     8               9       6.0000000    2.66131  55.6%  16.8    0s

Cutting planes:
  Gomory: 3
  Mod-K: 1

Explored 40 nodes (1109 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%