Gurobi 5.0.1 (linux64) logging started Tue Nov 20 12:32:01 2012

Optimize a model with 114 rows, 65 columns and 228 nonzeros
Presolve removed 38 rows and 15 columns
Presolve time: 0.00s
Presolved: 76 rows, 50 columns, 156 nonzeros
Variable types: 0 continuous, 50 integer (50 binary)
Found heuristic solution: objective 26.0000000

Root relaxation: objective 3.075000e+01, 70 iterations, 0.00 seconds

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

     0     0   30.75000    0   50   26.00000   30.75000  18.3%     -    0s
H    0     0                      29.0000000   30.75000  6.03%     -    0s
     0     0   30.00000    0   30   29.00000   30.00000  3.45%     -    0s
H    0     0                      30.0000000   30.00000   0.0%     -    0s

Cutting planes:
  Gomory: 1
  Zero half: 3

Explored 0 nodes (89 simplex iterations) in 0.01 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%