Gurobi 5.0.1 (linux64) logging started Sun Nov 18 00:57:35 2012

Optimize a model with 287 rows, 198 columns and 913 nonzeros
Presolve time: 0.00s
Presolved: 287 rows, 198 columns, 913 nonzeros
Variable types: 0 continuous, 198 integer (198 binary)
Found heuristic solution: objective 58.0000000

Root relaxation: objective 0.000000e+00, 84 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   55   58.00000    0.00000   100%     -    0s
H    0     0                      56.0000000    0.00000   100%     -    0s
     0     0    0.60337    0   57   56.00000    0.60337  98.9%     -    0s
H    0     0                      53.0000000    0.60337  98.9%     -    0s
     0     0    0.66845    0   57   53.00000    0.66845  98.7%     -    0s
     0     0    0.66845    0   57   53.00000    0.66845  98.7%     -    0s
     0     0    0.66845    0   57   53.00000    0.66845  98.7%     -    0s
     0     2    0.68519    0   57   53.00000    0.68519  98.7%     -    0s
H   36    36                      49.0000000    4.04252  91.7%  24.0    0s
*   40    40              25      47.0000000    4.04252  91.4%  22.4    0s
*   43    35              27      46.0000000    4.04252  91.2%  21.1    0s
*   76    55              22      39.0000000    4.28315  89.0%  22.6    0s
*  108    71              18      38.0000000    6.55102  82.8%  23.3    0s
*  157   104              17      37.0000000    7.00000  81.1%  24.5    0s
* 1245   255              22      36.0000000   17.66667  50.9%  24.3    0s
  8288   292     cutoff   21        36.00000   30.00000  16.7%  18.7    5s

Explored 9331 nodes (169767 simplex iterations) in 5.42 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.600000000000e+01, best bound 3.600000000000e+01, gap 0.0%