Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:52:35 2012

Optimize a model with 99 rows, 64 columns and 309 nonzeros
Presolve time: 0.00s
Presolved: 99 rows, 64 columns, 309 nonzeros
Variable types: 0 continuous, 64 integer (64 binary)
Found heuristic solution: objective 28.0000000
Found heuristic solution: objective 26.0000000

Root relaxation: objective 0.000000e+00, 22 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   15   26.00000    0.00000   100%     -    0s
H    0     0                      25.0000000    0.00000   100%     -    0s
     0     0    0.93758    0   24   25.00000    0.93758  96.2%     -    0s
H    0     0                      23.0000000    0.93758  95.9%     -    0s
H    0     0                      21.0000000    0.93758  95.5%     -    0s
     0     0    1.05438    0   26   21.00000    1.05438  95.0%     -    0s
H    0     0                      18.0000000    1.05438  94.1%     -    0s
     0     0    1.12000    0   18   18.00000    1.12000  93.8%     -    0s
     0     0    1.22667    0   18   18.00000    1.22667  93.2%     -    0s
     0     0    1.25037    0   26   18.00000    1.25037  93.1%     -    0s
     0     0    1.26222    0   22   18.00000    1.26222  93.0%     -    0s
     0     2    1.29106    0   22   18.00000    1.29106  92.8%     -    0s
*   17     7               6      17.0000000    6.00000  64.7%  12.8    0s

Cutting planes:
  Gomory: 1
  Zero half: 13

Explored 55 nodes (680 simplex iterations) in 0.02 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.700000000000e+01, best bound 1.700000000000e+01, gap 0.0%