Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:51:22 2012

Optimize a model with 2857 rows, 108 columns and 5714 nonzeros
Presolve removed 1999 rows and 0 columns
Presolve time: 0.10s
Presolved: 858 rows, 108 columns, 5862 nonzeros
Variable types: 0 continuous, 108 integer (108 binary)
Found heuristic solution: objective 7.0000000

Root relaxation: objective 1.512687e+01, 460 iterations, 0.02 seconds

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

     0     0   15.12687    0  103    7.00000   15.12687   116%     -    0s
H    0     0                       9.0000000   15.12687  68.1%     -    0s
     0     0   14.65988    0  106    9.00000   14.65988  62.9%     -    0s
     0     0   14.59801    0  108    9.00000   14.59801  62.2%     -    0s
     0     0   14.55533    0  108    9.00000   14.55533  61.7%     -    0s
     0     0   14.55483    0  108    9.00000   14.55483  61.7%     -    0s
     0     0   14.55477    0  108    9.00000   14.55477  61.7%     -    0s
     0     2   14.55007    0  108    9.00000   14.55007  61.7%     -    1s

Cutting planes:
  Clique: 79

Explored 280 nodes (17997 simplex iterations) in 2.21 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%