Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:54:00 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 46.0000000

Root relaxation: objective 0.000000e+00, 42 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   46.00000    0.00000   100%     -    0s
H    0     0                      39.0000000    0.00000   100%     -    0s
     0     0    1.47899    0   30   39.00000    1.47899  96.2%     -    0s
     0     0    1.52589    0   31   39.00000    1.52589  96.1%     -    0s
     0     0    1.59487    0   31   39.00000    1.59487  95.9%     -    0s
     0     0    1.59487    0   31   39.00000    1.59487  95.9%     -    0s
     0     0    1.59487    0   31   39.00000    1.59487  95.9%     -    0s
     0     2    2.22917    0   31   39.00000    2.22917  94.3%     -    0s
*  286    81              11      38.0000000   18.10000  52.4%  21.1    0s

Cutting planes:
  Gomory: 1
  Mod-K: 5

Explored 916 nodes (16830 simplex iterations) in 0.34 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.800000000000e+01, best bound 3.800000000000e+01, gap 0.0%