Gurobi 5.0.1 (linux64) logging started Tue Nov 20 05:49:44 2012

Optimize a model with 530 rows, 105 columns and 1060 nonzeros
Presolve removed 188 rows and 0 columns
Presolve time: 0.00s
Presolved: 342 rows, 105 columns, 863 nonzeros
Variable types: 0 continuous, 105 integer (105 binary)
Found heuristic solution: objective 30.0000000

Root relaxation: objective 3.931781e+01, 239 iterations, 0.00 seconds

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

     0     0   39.31781    0  100   30.00000   39.31781  31.1%     -    0s
H    0     0                      34.0000000   39.31781  15.6%     -    0s
     0     0   38.39443    0  102   34.00000   38.39443  12.9%     -    0s
     0     0   38.29270    0  101   34.00000   38.29270  12.6%     -    0s
     0     0   38.06684    0  101   34.00000   38.06684  12.0%     -    0s
     0     0   37.82866    0  103   34.00000   37.82866  11.3%     -    0s
     0     0   37.69580    0  102   34.00000   37.69580  10.9%     -    0s
     0     0   37.65372    0  100   34.00000   37.65372  10.7%     -    0s
     0     0   37.58433    0  103   34.00000   37.58433  10.5%     -    0s
     0     0   37.53110    0  103   34.00000   37.53110  10.4%     -    0s
     0     0   37.45448    0  105   34.00000   37.45448  10.2%     -    0s
     0     0   37.45448    0  105   34.00000   37.45448  10.2%     -    0s
     0     0   37.45448    0  105   34.00000   37.45448  10.2%     -    0s
     0     2   37.45411    0  104   34.00000   37.45411  10.2%     -    0s

Cutting planes:
  Clique: 1
  Zero half: 44

Explored 74 nodes (3030 simplex iterations) in 0.17 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.400000000000e+01, best bound 3.400000000000e+01, gap 0.0%