Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:43:27 2012

Optimize a model with 857 rows, 58 columns and 1714 nonzeros
Presolve removed 601 rows and 0 columns
Presolve time: 0.02s
Presolved: 256 rows, 58 columns, 1540 nonzeros
Variable types: 0 continuous, 58 integer (58 binary)
Found heuristic solution: objective 8.0000000

Root relaxation: objective 1.015803e+01, 126 iterations, 0.00 seconds

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

     0     0   10.15803    0   49    8.00000   10.15803  27.0%     -    0s
     0     0    9.80348    0   54    8.00000    9.80348  22.5%     -    0s
     0     0    9.71178    0   56    8.00000    9.71178  21.4%     -    0s
H    0     0                       9.0000000    9.71178  7.91%     -    0s

Cutting planes:
  Clique: 14
  Zero half: 6

Explored 0 nodes (250 simplex iterations) in 0.05 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.000000000000e+00, best bound 9.000000000000e+00, gap 0.0%