Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:43:33 2012

Optimize a model with 990 rows, 62 columns and 1980 nonzeros
Presolve removed 699 rows and 0 columns
Presolve time: 0.02s
Presolved: 291 rows, 62 columns, 1800 nonzeros
Variable types: 0 continuous, 62 integer (62 binary)
Found heuristic solution: objective 6.0000000

Root relaxation: objective 1.014706e+01, 123 iterations, 0.00 seconds

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

     0     0   10.14706    0   54    6.00000   10.14706  69.1%     -    0s
     0     0    9.80068    0   60    6.00000    9.80068  63.3%     -    0s
H    0     0                       7.0000000    9.80068  40.0%     -    0s
     0     0    9.74684    0   61    7.00000    9.74684  39.2%     -    0s
H    0     0                       8.0000000    9.74684  21.8%     -    0s
     0     0    9.69223    0   60    8.00000    9.69223  21.2%     -    0s
     0     0    9.65645    0   60    8.00000    9.65645  20.7%     -    0s
     0     0    9.64843    0   60    8.00000    9.64843  20.6%     -    0s
     0     0    9.64624    0   61    8.00000    9.64624  20.6%     -    0s
     0     0    9.64493    0   60    8.00000    9.64493  20.6%     -    0s
     0     2    9.64386    0   60    8.00000    9.64386  20.5%     -    0s

Cutting planes:
  Gomory: 1
  Clique: 29
  Zero half: 2

Explored 11 nodes (580 simplex iterations) in 0.18 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 8.000000000000e+00, best bound 8.000000000000e+00, gap 0.0%