Gurobi 5.0.1 (linux64) logging started Sun Nov 18 00:54:40 2012

Optimize a model with 293 rows, 200 columns and 930 nonzeros
Presolve time: 0.00s
Presolved: 293 rows, 200 columns, 930 nonzeros
Variable types: 0 continuous, 200 integer (200 binary)
Found heuristic solution: objective 69.0000000

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   53   69.00000    0.00000   100%     -    0s
H    0     0                      60.0000000    0.00000   100%     -    0s
H    0     0                      59.0000000    0.00000   100%     -    0s
     0     0    0.79717    0   54   59.00000    0.79717  98.6%     -    0s
     0     0    1.38679    0   55   59.00000    1.38679  97.6%     -    0s
     0     0    1.91542    0   56   59.00000    1.91542  96.8%     -    0s
H    0     0                      53.0000000    1.91542  96.4%     -    0s
H    0     0                      51.0000000    1.91542  96.2%     -    0s
     0     0    1.95925    0   58   51.00000    1.95925  96.2%     -    0s
     0     0    1.97380    0   58   51.00000    1.97380  96.1%     -    0s
     0     2    1.98358    0   58   51.00000    1.98358  96.1%     -    0s
*   31    31              20      39.0000000    4.29935  89.0%  29.5    0s
*  100    67              21      38.0000000    7.17076  81.1%  25.4    0s
*  144    97              15      36.0000000    7.31273  79.7%  27.1    0s
*  369   209              20      34.0000000   12.11436  64.4%  25.1    0s
*  427   213              15      33.0000000   13.25000  59.8%  24.8    0s
* 1316   172              23      32.0000000   20.14286  37.1%  24.8    1s

Explored 2454 nodes (56044 simplex iterations) in 1.73 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.200000000000e+01, best bound 3.200000000000e+01, gap 0.0%