Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:45:19 2012

Optimize a model with 1826 rows, 86 columns and 3652 nonzeros
Presolve removed 1300 rows and 0 columns
Presolve time: 0.05s
Presolved: 526 rows, 86 columns, 3438 nonzeros
Variable types: 0 continuous, 86 integer (86 binary)
Found heuristic solution: objective 7.0000000

Root relaxation: objective 1.286413e+01, 294 iterations, 0.01 seconds

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

     0     0   12.86413    0   82    7.00000   12.86413  83.8%     -    0s
H    0     0                       8.0000000   12.86413  60.8%     -    0s
     0     0   12.66867    0   84    8.00000   12.66867  58.4%     -    0s
     0     0   12.61536    0   84    8.00000   12.61536  57.7%     -    0s
     0     0   12.58239    0   86    8.00000   12.58239  57.3%     -    0s
     0     0   12.57129    0   86    8.00000   12.57129  57.1%     -    0s
     0     0   12.56609    0   84    8.00000   12.56609  57.1%     -    0s
     0     0   12.56168    0   85    8.00000   12.56168  57.0%     -    0s
     0     0   12.56005    0   86    8.00000   12.56005  57.0%     -    0s
     0     0   12.55988    0   86    8.00000   12.55988  57.0%     -    0s
     0     2   12.55917    0   86    8.00000   12.55917  57.0%     -    0s
*  176     0               7       9.0000000    9.00000   0.0%  43.1    0s

Cutting planes:
  Gomory: 1
  Clique: 41
  Zero half: 9

Explored 177 nodes (8245 simplex iterations) in 0.82 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%