Gurobi 5.0.1 (linux64) logging started Tue Nov 20 05:48:53 2012

Optimize a model with 342 rows, 85 columns and 684 nonzeros
Presolve removed 100 rows and 0 columns
Presolve time: 0.00s
Presolved: 242 rows, 85 columns, 564 nonzeros
Variable types: 0 continuous, 85 integer (85 binary)
Found heuristic solution: objective 27.0000000

Root relaxation: objective 3.409091e+01, 140 iterations, 0.00 seconds

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

     0     0   34.09091    0   75   27.00000   34.09091  26.3%     -    0s
H    0     0                      29.0000000   34.09091  17.6%     -    0s
     0     0   33.36364    0   80   29.00000   33.36364  15.0%     -    0s
     0     0   33.00000    0   68   29.00000   33.00000  13.8%     -    0s
     0     0   32.79661    0   83   29.00000   32.79661  13.1%     -    0s
     0     0   32.00000    0   76   29.00000   32.00000  10.3%     -    0s
     0     0   32.00000    0   77   29.00000   32.00000  10.3%     -    0s
     0     0   31.78425    0   80   29.00000   31.78425  9.60%     -    0s
     0     0   31.61111    0   81   29.00000   31.61111  9.00%     -    0s
     0     0   31.51031    0   84   29.00000   31.51031  8.66%     -    0s
     0     0   31.45391    0   83   29.00000   31.45391  8.46%     -    0s
     0     0   31.41629    0   83   29.00000   31.41629  8.33%     -    0s
     0     0   31.36767    0   84   29.00000   31.36767  8.16%     -    0s
     0     0   31.36427    0   84   29.00000   31.36427  8.15%     -    0s
     0     0   31.36427    0   83   29.00000   31.36427  8.15%     -    0s
     0     2   31.36364    0   83   29.00000   31.36364  8.15%     -    0s

Cutting planes:
  Clique: 1
  Zero half: 49

Explored 23 nodes (1114 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%