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

Optimize a model with 1947 rows, 89 columns and 3894 nonzeros
Presolve removed 1399 rows and 0 columns
Presolve time: 0.06s
Presolved: 548 rows, 89 columns, 3542 nonzeros
Variable types: 0 continuous, 89 integer (89 binary)
Found heuristic solution: objective 7.0000000

Root relaxation: objective 1.316669e+01, 288 iterations, 0.01 seconds

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

     0     0   13.16669    0   82    7.00000   13.16669  88.1%     -    0s
H    0     0                       8.0000000   13.16669  64.6%     -    0s
     0     0   12.84660    0   88    8.00000   12.84660  60.6%     -    0s
H    0     0                       9.0000000   12.84660  42.7%     -    0s
     0     0   12.80969    0   88    9.00000   12.80969  42.3%     -    0s
     0     0   12.79268    0   89    9.00000   12.79268  42.1%     -    0s
     0     0   12.78811    0   88    9.00000   12.78811  42.1%     -    0s
     0     0   12.78422    0   89    9.00000   12.78422  42.0%     -    0s
     0     0   12.78416    0   89    9.00000   12.78416  42.0%     -    0s
     0     0   12.78410    0   89    9.00000   12.78410  42.0%     -    0s
     0     2   12.78397    0   89    9.00000   12.78397  42.0%     -    0s

Cutting planes:
  Clique: 45
  Zero half: 7

Explored 67 nodes (5066 simplex iterations) in 0.84 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%