Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:38:47 2012

Optimize a model with 93 rows, 78 columns and 308 nonzeros
Presolve removed 0 rows and 3 columns
Presolve time: 0.00s
Presolved: 93 rows, 75 columns, 305 nonzeros
Variable types: 0 continuous, 75 integer (74 binary)
Found heuristic solution: objective 18.0000000

Root relaxation: objective 0.000000e+00, 41 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   28   18.00000    0.00000   100%     -    0s
H    0     0                      15.0000000    0.00000   100%     -    0s
H    0     0                      14.0000000    0.00000   100%     -    0s
H    0     0                      13.0000000    0.00000   100%     -    0s
H    0     0                      11.0000000    0.00000   100%     -    0s
     0     0    0.42857    0   29   11.00000    0.42857  96.1%     -    0s
     0     0    1.00000    0   30   11.00000    1.00000  90.9%     -    0s
     0     0    1.10177    0   31   11.00000    1.10177  90.0%     -    0s
H    0     0                      10.0000000    1.10177  89.0%     -    0s
     0     0    1.15025    0   34   10.00000    1.15025  88.5%     -    0s
     0     0    1.18995    0   35   10.00000    1.18995  88.1%     -    0s
     0     2    1.25327    0   35   10.00000    1.25327  87.5%     -    0s
*   12     8               8       9.0000000    2.66554  70.4%  22.6    0s
*   37    10               9       8.0000000    3.51402  56.1%  14.4    0s

Cutting planes:
  Gomory: 4
  Mod-K: 2

Explored 62 nodes (923 simplex iterations) in 0.05 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%