Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:43:12 2012

Optimize a model with 254 rows, 33 columns and 508 nonzeros
Presolve removed 162 rows and 0 columns
Presolve time: 0.00s
Presolved: 92 rows, 33 columns, 441 nonzeros
Variable types: 0 continuous, 33 integer (33 binary)
Found heuristic solution: objective 6.0000000

Root relaxation: objective 7.605263e+00, 49 iterations, 0.00 seconds

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

     0     0    7.60526    0   26    6.00000    7.60526  26.8%     -    0s
     0     0    7.23154    0   30    6.00000    7.23154  20.5%     -    0s
     0     0    7.00000    0   24    6.00000    7.00000  16.7%     -    0s
H    0     0                       7.0000000    7.00000   0.0%     -    0s

Cutting planes:
  Gomory: 2
  Clique: 4
  Zero half: 1

Explored 0 nodes (96 simplex iterations) in 0.01 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.000000000000e+00, best bound 7.000000000000e+00, gap 0.0%