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

Optimize a model with 281 rows, 34 columns and 562 nonzeros
Presolve removed 186 rows and 0 columns
Presolve time: 0.00s
Presolved: 95 rows, 34 columns, 455 nonzeros
Variable types: 0 continuous, 34 integer (34 binary)
Found heuristic solution: objective 6.0000000

Root relaxation: objective 7.589404e+00, 51 iterations, 0.00 seconds

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

     0     0    7.58940    0   29    6.00000    7.58940  26.5%     -    0s
     0     0    7.34809    0   28    6.00000    7.34809  22.5%     -    0s
H    0     0                       7.0000000    7.34809  4.97%     -    0s

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

Explored 0 nodes (80 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%