Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:53:59 2012

Optimize a model with 199 rows, 120 columns and 615 nonzeros
Presolve time: 0.00s
Presolved: 199 rows, 120 columns, 615 nonzeros
Variable types: 0 continuous, 120 integer (120 binary)
Found heuristic solution: objective 47.0000000

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   21   47.00000    0.00000   100%     -    0s
     0     0    0.73016    0   23   47.00000    0.73016  98.4%     -    0s
     0     0    1.02646    0   23   47.00000    1.02646  97.8%     -    0s
     0     0    1.09066    0   38   47.00000    1.09066  97.7%     -    0s
     0     0    1.17460    0   23   47.00000    1.17460  97.5%     -    0s
     0     0    1.17460    0   23   47.00000    1.17460  97.5%     -    0s
     0     0    1.17460    0   23   47.00000    1.17460  97.5%     -    0s
H    0     0                      43.0000000    1.17460  97.3%     -    0s
H    0     0                      42.0000000    1.17460  97.2%     -    0s
     0     2    1.23609    0   23   42.00000    1.23609  97.1%     -    0s
*   62    39              12      41.0000000   11.25926  72.5%  24.5    0s
*  140    66              13      40.0000000   17.22222  56.9%  19.6    0s
*  176    72              10      39.0000000   17.39869  55.4%  18.2    0s
*  181    70              12      38.0000000   17.39869  54.2%  17.8    0s
*  434    95              12      37.0000000   24.61616  33.5%  15.9    0s

Cutting planes:
  Gomory: 1
  Mod-K: 6

Explored 1024 nodes (14411 simplex iterations) in 0.33 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.700000000000e+01, best bound 3.700000000000e+01, gap 0.0%