Gurobi 5.0.1 (linux64) logging started Tue Nov 20 05:48:57 2012

Optimize a model with 371 rows, 89 columns and 742 nonzeros
Presolve removed 107 rows and 0 columns
Presolve time: 0.00s
Presolved: 264 rows, 89 columns, 610 nonzeros
Variable types: 0 continuous, 89 integer (89 binary)
Found heuristic solution: objective 27.0000000

Root relaxation: objective 3.466667e+01, 155 iterations, 0.00 seconds

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

     0     0   34.66667    0   76   27.00000   34.66667  28.4%     -    0s
H    0     0                      29.0000000   34.66667  19.5%     -    0s
     0     0   34.00000    0   66   29.00000   34.00000  17.2%     -    0s
     0     0   34.00000    0   84   29.00000   34.00000  17.2%     -    0s
     0     0   33.68725    0   85   29.00000   33.68725  16.2%     -    0s
     0     0   33.51942    0   87   29.00000   33.51942  15.6%     -    0s
     0     0   33.39726    0   87   29.00000   33.39726  15.2%     -    0s
     0     0   33.31412    0   86   29.00000   33.31412  14.9%     -    0s
     0     0   33.26150    0   87   29.00000   33.26150  14.7%     -    0s
     0     0   33.07784    0   86   29.00000   33.07784  14.1%     -    0s
     0     0   32.99949    0   85   29.00000   32.99949  13.8%     -    0s
     0     0   32.96476    0   87   29.00000   32.96476  13.7%     -    0s
     0     0   32.94697    0   88   29.00000   32.94697  13.6%     -    0s
     0     0   32.94697    0   88   29.00000   32.94697  13.6%     -    0s
     0     2   32.94324    0   88   29.00000   32.94324  13.6%     -    0s

Cutting planes:
  Gomory: 1
  Zero half: 88

Explored 185 nodes (4509 simplex iterations) in 0.17 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.900000000000e+01, best bound 2.900000000000e+01, gap 0.0%