Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:11:49 2012

Optimize a model with 159 rows, 131 columns and 526 nonzeros
Presolve time: 0.00s
Presolved: 159 rows, 131 columns, 526 nonzeros
Variable types: 0 continuous, 131 integer (131 binary)
Found heuristic solution: objective 33.0000000

Root relaxation: objective 0.000000e+00, 75 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   52   33.00000    0.00000   100%     -    0s
H    0     0                      26.0000000    0.00000   100%     -    0s
     0     0    0.59268    0   55   26.00000    0.59268  97.7%     -    0s
H    0     0                      23.0000000    0.59268  97.4%     -    0s
     0     0    0.70091    0   57   23.00000    0.70091  97.0%     -    0s
     0     0    0.70258    0   56   23.00000    0.70258  96.9%     -    0s
     0     0    0.70258    0   56   23.00000    0.70258  96.9%     -    0s
     0     2    0.75000    0   56   23.00000    0.75000  96.7%     -    0s
*   19    17              14      14.0000000    2.79781  80.0%  21.4    0s
*   37    19              12      12.0000000    2.86337  76.1%  17.4    0s
*   62    18              10      11.0000000    5.20000  52.7%  16.5    0s
*   70    14               7      10.0000000    6.71429  32.9%  15.4    0s
*   75     7               7       9.0000000    6.71429  25.4%  14.7    0s

Cutting planes:
  Gomory: 1
  Mod-K: 6

Explored 83 nodes (1453 simplex iterations) in 0.05 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%