Gurobi 5.0.1 (linux64) logging started Tue Nov 20 05:49:08 2012

Optimize a model with 448 rows, 96 columns and 896 nonzeros
Presolve removed 154 rows and 0 columns
Presolve time: 0.00s
Presolved: 294 rows, 96 columns, 710 nonzeros
Variable types: 0 continuous, 96 integer (96 binary)
Found heuristic solution: objective 26.0000000

Root relaxation: objective 3.523529e+01, 190 iterations, 0.00 seconds

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

     0     0   35.23529    0   93   26.00000   35.23529  35.5%     -    0s
H    0     0                      27.0000000   35.23529  30.5%     -    0s
     0     0   34.44515    0   95   27.00000   34.44515  27.6%     -    0s
     0     0   34.13470    0   93   27.00000   34.13470  26.4%     -    0s
H    0     0                      28.0000000   34.13470  21.9%     -    0s
     0     0   33.92857    0   93   28.00000   33.92857  21.2%     -    0s
     0     0   33.86989    0   93   28.00000   33.86989  21.0%     -    0s
     0     0   33.83655    0   94   28.00000   33.83655  20.8%     -    0s
     0     0   33.80373    0   93   28.00000   33.80373  20.7%     -    0s
     0     0   33.80373    0   93   28.00000   33.80373  20.7%     -    0s
H    0     0                      29.0000000   33.80373  16.6%     -    0s
     0     2   33.80152    0   93   29.00000   33.80152  16.6%     -    0s

Cutting planes:
  Zero half: 37

Explored 334 nodes (6465 simplex iterations) in 0.22 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%