Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:40:18 2012

Optimize a model with 113 rows, 96 columns and 376 nonzeros
Presolve time: 0.00s
Presolved: 113 rows, 96 columns, 376 nonzeros
Variable types: 0 continuous, 96 integer (96 binary)
Found heuristic solution: objective 25.0000000
Found heuristic solution: objective 21.0000000

Root relaxation: objective 0.000000e+00, 57 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   40   21.00000    0.00000   100%     -    0s
H    0     0                      14.0000000    0.00000   100%     -    0s
H    0     0                      12.0000000    0.00000   100%     -    0s
     0     0    0.76923    0   41   12.00000    0.76923  93.6%     -    0s
     0     0    1.20156    0   43   12.00000    1.20156  90.0%     -    0s
     0     0    1.38477    0   46   12.00000    1.38477  88.5%     -    0s
     0     0    1.39642    0   46   12.00000    1.39642  88.4%     -    0s
     0     0    1.39642    0   46   12.00000    1.39642  88.4%     -    0s
     0     2    1.39642    0   46   12.00000    1.39642  88.4%     -    0s
*   14    12               9       9.0000000    2.27284  74.7%  19.8    0s
*   30    13              13       8.0000000    2.31252  71.1%  15.2    0s
*   50    17              14       7.0000000    3.16905  54.7%  13.3    0s
*   75     4               8       6.0000000    4.53968  24.3%  12.3    0s

Cutting planes:
  Gomory: 5
  Mod-K: 1

Explored 81 nodes (1296 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%