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 22.0000000

Root relaxation: objective 0.000000e+00, 46 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   22.00000    0.00000   100%     -    0s
H    0     0                      18.0000000    0.00000   100%     -    0s
H    0     0                      17.0000000    0.00000   100%     -    0s
     0     0    0.48718    0   34   17.00000    0.48718  97.1%     -    0s
     0     0    0.58268    0   35   17.00000    0.58268  96.6%     -    0s
     0     0    0.60465    0   33   17.00000    0.60465  96.4%     -    0s
     0     0    0.60465    0   33   17.00000    0.60465  96.4%     -    0s
     0     0    0.60465    0   33   17.00000    0.60465  96.4%     -    0s
H    0     0                      16.0000000    0.60465  96.2%     -    0s
H    0     0                      13.0000000    0.60465  95.3%     -    0s
     0     2    0.60465    0   33   13.00000    0.60465  95.3%     -    0s
*   15    13              10       9.0000000    3.54971  60.6%  15.4    0s
*   29     7               7       8.0000000    3.71728  53.5%  11.9    0s

Cutting planes:
  Gomory: 1
  Zero half: 4

Explored 39 nodes (586 simplex iterations) in 0.02 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 8.000000000000e+00, best bound 8.000000000000e+00, gap 0.0%