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

Optimize a model with 826 rows, 59 columns and 1652 nonzeros
Presolve removed 567 rows and 0 columns
Presolve time: 0.01s
Presolved: 259 rows, 59 columns, 1458 nonzeros
Variable types: 0 continuous, 59 integer (59 binary)
Found heuristic solution: objective 7.0000000

Root relaxation: objective 1.042119e+01, 140 iterations, 0.00 seconds

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

     0     0   10.42119    0   52    7.00000   10.42119  48.9%     -    0s
     0     0   10.14819    0   55    7.00000   10.14819  45.0%     -    0s
     0     0   10.06389    0   56    7.00000   10.06389  43.8%     -    0s
     0     0   10.04529    0   55    7.00000   10.04529  43.5%     -    0s
     0     0   10.02193    0   55    7.00000   10.02193  43.2%     -    0s
     0     0   10.01390    0   52    7.00000   10.01390  43.1%     -    0s
H    0     0                       8.0000000   10.01390  25.2%     -    0s
     0     0   10.01319    0   54    8.00000   10.01319  25.2%     -    0s
     0     0   10.01302    0   53    8.00000   10.01302  25.2%     -    0s
     0     0   10.01216    0   53    8.00000   10.01216  25.2%     -    0s
     0     2   10.01155    0   53    8.00000   10.01155  25.1%     -    0s

Cutting planes:
  Clique: 29
  Zero half: 5

Explored 17 nodes (784 simplex iterations) in 0.12 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%