Gurobi 5.0.1 (linux64) logging started Tue Nov 20 05:48:58 2012

Optimize a model with 370 rows, 89 columns and 740 nonzeros
Presolve removed 116 rows and 0 columns
Presolve time: 0.00s
Presolved: 254 rows, 89 columns, 599 nonzeros
Variable types: 0 continuous, 89 integer (89 binary)
Found heuristic solution: objective 25.0000000

Root relaxation: objective 3.350000e+01, 132 iterations, 0.00 seconds

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

     0     0   33.50000    0   65   25.00000   33.50000  34.0%     -    0s
H    0     0                      26.0000000   33.50000  28.8%     -    0s
     0     0   32.68421    0   84   26.00000   32.68421  25.7%     -    0s
H    0     0                      27.0000000   32.68421  21.1%     -    0s
     0     0   32.20833    0   86   27.00000   32.20833  19.3%     -    0s
     0     0   31.79803    0   86   27.00000   31.79803  17.8%     -    0s
     0     0   31.65541    0   87   27.00000   31.65541  17.2%     -    0s
     0     0   31.43396    0   85   27.00000   31.43396  16.4%     -    0s
     0     0   31.37569    0   85   27.00000   31.37569  16.2%     -    0s
     0     0   31.32780    0   87   27.00000   31.32780  16.0%     -    0s
H    0     0                      28.0000000   31.32780  11.9%     -    0s
     0     0   31.31592    0   86   28.00000   31.31592  11.8%     -    0s
     0     0   31.30982    0   87   28.00000   31.30982  11.8%     -    0s
     0     0   31.30982    0   85   28.00000   31.30982  11.8%     -    0s
     0     2   31.30982    0   84   28.00000   31.30982  11.8%     -    0s
*   32     5               6      29.0000000   30.90816  6.58%  23.6    0s

Cutting planes:
  Zero half: 47

Explored 46 nodes (1592 simplex iterations) in 0.08 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%