Gurobi 5.0.1 (linux64) logging started Sun Nov 18 00:04:38 2012

Optimize a model with 249 rows, 174 columns and 794 nonzeros
Presolve time: 0.00s
Presolved: 249 rows, 174 columns, 794 nonzeros
Variable types: 0 continuous, 174 integer (174 binary)
Found heuristic solution: objective 52.0000000

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   50   52.00000    0.00000   100%     -    0s
H    0     0                      46.0000000    0.00000   100%     -    0s
H    0     0                      41.0000000    0.00000   100%     -    0s
     0     0    0.84314    0   53   41.00000    0.84314  97.9%     -    0s
     0     0    0.97059    0   52   41.00000    0.97059  97.6%     -    0s
     0     0    1.03922    0   52   41.00000    1.03922  97.5%     -    0s
     0     0    1.04412    0   54   41.00000    1.04412  97.5%     -    0s
     0     0    1.04412    0   54   41.00000    1.04412  97.5%     -    0s
H    0     0                      38.0000000    1.04412  97.3%     -    0s
     0     2    1.04412    0   54   38.00000    1.04412  97.3%     -    0s
H   27    27                      32.0000000    4.89764  84.7%  24.9    0s
*   31    22              20      31.0000000    4.89764  84.2%  22.8    0s
*   50    33              13      30.0000000    5.13732  82.9%  24.3    0s
*  190    52               9      28.0000000   13.72549  51.0%  24.2    0s

Cutting planes:
  Gomory: 1
  Zero half: 3

Explored 533 nodes (11875 simplex iterations) in 0.35 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.800000000000e+01, best bound 2.800000000000e+01, gap 0.0%