Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:45:09 2012

Optimize a model with 1765 rows, 85 columns and 3530 nonzeros
Presolve removed 1251 rows and 0 columns
Presolve time: 0.04s
Presolved: 514 rows, 85 columns, 3284 nonzeros
Variable types: 0 continuous, 85 integer (85 binary)
Found heuristic solution: objective 6.0000000

Root relaxation: objective 1.319891e+01, 339 iterations, 0.01 seconds

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

     0     0   13.19891    0   76    6.00000   13.19891   120%     -    0s
H    0     0                       7.0000000   13.19891  88.6%     -    0s
     0     0   12.84020    0   82    7.00000   12.84020  83.4%     -    0s
H    0     0                       8.0000000   12.84020  60.5%     -    0s
     0     0   12.69453    0   85    8.00000   12.69453  58.7%     -    0s
     0     0   12.65066    0   84    8.00000   12.65066  58.1%     -    0s
     0     0   12.64233    0   84    8.00000   12.64233  58.0%     -    0s
     0     0   12.64218    0   84    8.00000   12.64218  58.0%     -    0s
     0     0   12.64210    0   84    8.00000   12.64210  58.0%     -    0s
     0     2   12.63935    0   84    8.00000   12.63935  58.0%     -    0s
*   45    22               5       9.0000000   12.29786  36.6%  50.4    0s

Cutting planes:
  Clique: 49
  Zero half: 3

Explored 97 nodes (5247 simplex iterations) in 0.62 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%