Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:43:13 2012

Optimize a model with 382 rows, 39 columns and 764 nonzeros
Presolve removed 264 rows and 0 columns
Presolve time: 0.00s
Presolved: 118 rows, 39 columns, 630 nonzeros
Variable types: 0 continuous, 39 integer (39 binary)
Found heuristic solution: objective 6.0000000

Root relaxation: objective 7.500000e+00, 55 iterations, 0.00 seconds

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

     0     0    7.50000    0   21    6.00000    7.50000  25.0%     -    0s
     0     0    7.11765    0   30    6.00000    7.11765  18.6%     -    0s
H    0     0                       7.0000000    7.11765  1.68%     -    0s

Cutting planes:
  Gomory: 1
  Clique: 3
  Zero half: 1

Explored 0 nodes (94 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%