Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:10:31 2012

Optimize a model with 131 rows, 109 columns and 434 nonzeros
Presolve time: 0.00s
Presolved: 131 rows, 109 columns, 434 nonzeros
Variable types: 0 continuous, 109 integer (109 binary)
Found heuristic solution: objective 29.0000000

Root relaxation: objective 0.000000e+00, 95 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   43   29.00000    0.00000   100%     -    0s
H    0     0                      20.0000000    0.00000   100%     -    0s
     0     0    0.80401    0   45   20.00000    0.80401  96.0%     -    0s
H    0     0                      18.0000000    0.80401  95.5%     -    0s
H    0     0                      14.0000000    0.80401  94.3%     -    0s
     0     0    1.22840    0   49   14.00000    1.22840  91.2%     -    0s
     0     0    1.28466    0   52   14.00000    1.28466  90.8%     -    0s
     0     0    1.29366    0   53   14.00000    1.29366  90.8%     -    0s
H    0     0                      13.0000000    1.29366  90.0%     -    0s
     0     2    1.35626    0   53   13.00000    1.35626  89.6%     -    0s
*   16    14              12      12.0000000    3.41195  71.6%  15.4    0s
*   25    15               7      11.0000000    3.48445  68.3%  14.4    0s
*   42    11               6       9.0000000    3.48780  61.2%  11.1    0s

Cutting planes:
  Gomory: 3
  Zero half: 1
  Mod-K: 2

Explored 64 nodes (1051 simplex iterations) in 0.08 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%