Gurobi 5.0.1 (linux64) logging started Tue Nov 20 05:49:19 2012

Optimize a model with 499 rows, 101 columns and 998 nonzeros
Presolve removed 178 rows and 0 columns
Presolve time: 0.00s
Presolved: 321 rows, 101 columns, 782 nonzeros
Variable types: 0 continuous, 101 integer (101 binary)
Found heuristic solution: objective 26.0000000

Root relaxation: objective 3.666667e+01, 237 iterations, 0.00 seconds

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

     0     0   36.66667    0   75   26.00000   36.66667  41.0%     -    0s
     0     0   36.03636    0   98   26.00000   36.03636  38.6%     -    0s
H    0     0                      28.0000000   36.03636  28.7%     -    0s
     0     0   35.40060    0   97   28.00000   35.40060  26.4%     -    0s
     0     0   35.05226    0  100   28.00000   35.05226  25.2%     -    0s
     0     0   34.72239    0   98   28.00000   34.72239  24.0%     -    0s
     0     0   34.57031    0  100   28.00000   34.57031  23.5%     -    0s
     0     0   34.52899    0  101   28.00000   34.52899  23.3%     -    0s
     0     0   34.41689    0   97   28.00000   34.41689  22.9%     -    0s
H    0     0                      29.0000000   34.41689  18.7%     -    0s
     0     0   34.40365    0   97   29.00000   34.40365  18.6%     -    0s
     0     0   34.40365    0   97   29.00000   34.40365  18.6%     -    0s
     0     2   34.39433    0   97   29.00000   34.39433  18.6%     -    0s
*  132    38              14      30.0000000   33.27273  10.9%  20.0    0s

Cutting planes:
  Clique: 1
  Zero half: 70

Explored 375 nodes (8110 simplex iterations) in 0.28 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%