Gurobi 5.0.1 (linux64) logging started Tue Nov 20 05:49:04 2012

Optimize a model with 446 rows, 94 columns and 892 nonzeros
Presolve removed 130 rows and 0 columns
Presolve time: 0.00s
Presolved: 316 rows, 94 columns, 739 nonzeros
Variable types: 0 continuous, 94 integer (94 binary)
Found heuristic solution: objective 27.0000000

Root relaxation: objective 3.551351e+01, 196 iterations, 0.00 seconds

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0   35.51351    0   94   27.00000   35.51351  31.5%     -    0s
H    0     0                      29.0000000   35.51351  22.5%     -    0s
     0     0   34.44000    0   93   29.00000   34.44000  18.8%     -    0s
     0     0   33.93182    0   92   29.00000   33.93182  17.0%     -    0s
     0     0   33.75367    0   94   29.00000   33.75367  16.4%     -    0s
     0     0   33.68434    0   94   29.00000   33.68434  16.2%     -    0s
     0     0   33.57580    0   93   29.00000   33.57580  15.8%     -    0s
     0     0   33.47014    0   93   29.00000   33.47014  15.4%     -    0s
     0     0   33.39216    0   92   29.00000   33.39216  15.1%     -    0s
     0     0   33.29640    0   91   29.00000   33.29640  14.8%     -    0s
     0     0   33.27307    0   93   29.00000   33.27307  14.7%     -    0s
     0     0   33.26720    0   93   29.00000   33.26720  14.7%     -    0s
     0     0   33.26720    0   93   29.00000   33.26720  14.7%     -    0s
     0     2   33.25878    0   93   29.00000   33.25878  14.7%     -    0s
*   81    16              11      30.0000000   32.24138  7.47%  25.0    0s

Cutting planes:
  Zero half: 57

Explored 116 nodes (3293 simplex iterations) in 0.15 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.000000000000e+01, best bound 3.000000000000e+01, gap 0.0%