Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:52:07 2012

Optimize a model with 27 rows, 21 columns and 86 nonzeros
Presolve time: 0.00s
Presolved: 27 rows, 21 columns, 86 nonzeros
Variable types: 0 continuous, 21 integer (21 binary)
Found heuristic solution: objective 6.0000000

Root relaxation: objective 0.000000e+00, 11 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    8    6.00000    0.00000   100%     -    0s
     0     0    0.66667    0   11    6.00000    0.66667  88.9%     -    0s
     0     0    0.72727    0   12    6.00000    0.72727  87.9%     -    0s
     0     0    0.75000    0   10    6.00000    0.75000  87.5%     -    0s
     0     0    0.85542    0   14    6.00000    0.85542  85.7%     -    0s
     0     0    0.97820    0   17    6.00000    0.97820  83.7%     -    0s
     0     0    1.02651    0   16    6.00000    1.02651  82.9%     -    0s
     0     2    1.04691    0   16    6.00000    1.04691  82.6%     -    0s

Cutting planes:
  Gomory: 1
  Mod-K: 6

Explored 9 nodes (101 simplex iterations) in 0.01 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%