Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:38:47 2012

Optimize a model with 97 rows, 80 columns and 320 nonzeros
Presolve removed 0 rows and 1 columns
Presolve time: 0.00s
Presolved: 97 rows, 79 columns, 319 nonzeros
Variable types: 0 continuous, 79 integer (78 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   30   17.00000    0.00000   100%     -    0s
H    0     0                      16.0000000    0.00000   100%     -    0s
H    0     0                      14.0000000    0.00000   100%     -    0s
     0     0    0.50256    0   31   14.00000    0.50256  96.4%     -    0s
H    0     0                       9.0000000    0.50256  94.4%     -    0s
     0     0    1.00000    0   32    9.00000    1.00000  88.9%     -    0s
     0     0    1.00000    0   32    9.00000    1.00000  88.9%     -    0s
     0     0    1.00000    0   30    9.00000    1.00000  88.9%     -    0s
     0     2    1.00000    0   30    9.00000    1.00000  88.9%     -    0s
*   12    10               7       6.0000000    2.33251  61.1%  22.7    0s

Cutting planes:
  Gomory: 3
  Mod-K: 1

Explored 31 nodes (680 simplex iterations) in 0.03 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%