Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:37:47 2012

Optimize a model with 59 rows, 49 columns and 194 nonzeros
Presolve time: 0.00s
Presolved: 59 rows, 49 columns, 194 nonzeros
Variable types: 0 continuous, 49 integer (49 binary)
Found heuristic solution: objective 16.0000000
Found heuristic solution: objective 15.0000000

Root relaxation: objective 0.000000e+00, 28 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   20   15.00000    0.00000   100%     -    0s
H    0     0                      10.0000000    0.00000   100%     -    0s
     0     0    0.65000    0   22   10.00000    0.65000  93.5%     -    0s
     0     0    0.76238    0   25   10.00000    0.76238  92.4%     -    0s
     0     0    0.79634    0   27   10.00000    0.79634  92.0%     -    0s
     0     0    0.81481    0   22   10.00000    0.81481  91.9%     -    0s
     0     0    0.81481    0   23   10.00000    0.81481  91.9%     -    0s
     0     0    0.81481    0   22   10.00000    0.81481  91.9%     -    0s
H    0     0                       7.0000000    0.81481  88.4%     -    0s
     0     2    0.86667    0   22    7.00000    0.86667  87.6%     -    0s
*   11     5               7       6.0000000    3.33333  44.4%   9.5    0s

Cutting planes:
  Gomory: 1
  Mod-K: 4

Explored 21 nodes (261 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%