Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:43:35 2012

Optimize a model with 1009 rows, 63 columns and 2018 nonzeros
Presolve removed 708 rows and 0 columns
Presolve time: 0.02s
Presolved: 301 rows, 63 columns, 1831 nonzeros
Variable types: 0 continuous, 63 integer (63 binary)
Found heuristic solution: objective 7.0000000

Root relaxation: objective 1.028703e+01, 153 iterations, 0.00 seconds

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

     0     0   10.28703    0   55    7.00000   10.28703  47.0%     -    0s
     0     0    9.86011    0   59    7.00000    9.86011  40.9%     -    0s
     0     0    9.77731    0   60    7.00000    9.77731  39.7%     -    0s
     0     0    9.75407    0   60    7.00000    9.75407  39.3%     -    0s
     0     0    9.74810    0   62    7.00000    9.74810  39.3%     -    0s
H    0     0                       8.0000000    9.74810  21.9%     -    0s
     0     0    9.74800    0   62    8.00000    9.74800  21.8%     -    0s
     0     0    9.73373    0   58    8.00000    9.73373  21.7%     -    0s
     0     0    9.72477    0   61    8.00000    9.72477  21.6%     -    0s
     0     0    9.72464    0   61    8.00000    9.72464  21.6%     -    0s
     0     0    9.72459    0   61    8.00000    9.72459  21.6%     -    0s
     0     2    9.72299    0   61    8.00000    9.72299  21.5%     -    0s

Cutting planes:
  Clique: 32
  Zero half: 3

Explored 12 nodes (694 simplex iterations) in 0.19 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%