Gurobi 5.0.1 (linux64) logging started Tue Nov 20 05:49:11 2012

Optimize a model with 495 rows, 97 columns and 990 nonzeros
Presolve removed 163 rows and 0 columns
Presolve time: 0.00s
Presolved: 332 rows, 97 columns, 816 nonzeros
Variable types: 0 continuous, 97 integer (97 binary)
Found heuristic solution: objective 26.0000000

Root relaxation: objective 3.487500e+01, 193 iterations, 0.00 seconds

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

     0     0   34.87500    0   96   26.00000   34.87500  34.1%     -    0s
     0     0   34.44054    0   95   26.00000   34.44054  32.5%     -    0s
H    0     0                      27.0000000   34.44054  27.6%     -    0s
     0     0   34.02648    0   95   27.00000   34.02648  26.0%     -    0s
     0     0   33.78683    0   97   27.00000   33.78683  25.1%     -    0s
H    0     0                      28.0000000   33.78683  20.7%     -    0s
     0     0   33.74638    0   96   28.00000   33.74638  20.5%     -    0s
H    0     0                      29.0000000   33.74638  16.4%     -    0s
     0     0   33.73973    0   96   29.00000   33.73973  16.3%     -    0s
     0     0   33.73973    0   94   29.00000   33.73973  16.3%     -    0s
H    0     0                      30.0000000   33.73973  12.5%     -    0s
     0     2   33.73519    0   94   30.00000   33.73519  12.5%     -    0s

Cutting planes:
  Gomory: 1
  Clique: 1
  Zero half: 36

Explored 65 nodes (2513 simplex iterations) in 0.13 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%