Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:38:33 2012

Optimize a model with 99 rows, 79 columns and 324 nonzeros
Presolve time: 0.00s
Presolved: 99 rows, 79 columns, 324 nonzeros
Variable types: 0 continuous, 79 integer (79 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                      13.0000000    0.00000   100%     -    0s
     0     0    0.75000    0   35   13.00000    0.75000  94.2%     -    0s
     0     0    0.91667    0   34   13.00000    0.91667  92.9%     -    0s
     0     0    0.93750    0   36   13.00000    0.93750  92.8%     -    0s
     0     0    0.94102    0   37   13.00000    0.94102  92.8%     -    0s
     0     2    0.98020    0   37   13.00000    0.98020  92.5%     -    0s
*   13    11               9       9.0000000    3.07143  65.9%  17.7    0s

Cutting planes:
  Gomory: 1
  Zero half: 4
  Mod-K: 1

Explored 41 nodes (611 simplex iterations) in 0.04 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.000000000000e+00, best bound 9.000000000000e+00, gap 0.0%