Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:52:23 2012

Optimize a model with 85 rows, 55 columns and 265 nonzeros
Presolve time: 0.00s
Presolved: 85 rows, 55 columns, 265 nonzeros
Variable types: 0 continuous, 55 integer (55 binary)
Found heuristic solution: objective 19.0000000
Found heuristic solution: objective 17.0000000

Root relaxation: objective 0.000000e+00, 21 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   13   17.00000    0.00000   100%     -    0s
     0     0    0.64615    0   14   17.00000    0.64615  96.2%     -    0s
     0     0    1.24615    0   16   17.00000    1.24615  92.7%     -    0s
     0     0    1.28718    0   16   17.00000    1.28718  92.4%     -    0s
     0     0    1.34872    0   17   17.00000    1.34872  92.1%     -    0s
     0     0    1.34872    0   17   17.00000    1.34872  92.1%     -    0s
     0     0    1.34872    0   17   17.00000    1.34872  92.1%     -    0s
     0     2    1.53333    0   17   17.00000    1.53333  91.0%     -    0s
*   12     4               6      16.0000000    5.43333  66.0%  16.0    0s
*   34     3               5      15.0000000    8.81250  41.3%  10.9    0s

Cutting planes:
  Gomory: 2
  Mod-K: 3

Explored 47 nodes (541 simplex iterations) in 0.02 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.500000000000e+01, best bound 1.500000000000e+01, gap 0.0%