Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:53:14 2012

Optimize a model with 3086 rows, 112 columns and 6172 nonzeros
Presolve removed 2217 rows and 0 columns
Presolve time: 0.09s
Presolved: 869 rows, 112 columns, 5889 nonzeros
Variable types: 0 continuous, 112 integer (112 binary)
Found heuristic solution: objective 6.0000000

Root relaxation: objective 1.559352e+01, 522 iterations, 0.02 seconds

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

     0     0   15.59352    0  109    6.00000   15.59352   160%     -    0s
H    0     0                       7.0000000   15.59352   123%     -    0s
     0     0   15.23675    0  109    7.00000   15.23675   118%     -    0s
H    0     0                       9.0000000   15.23675  69.3%     -    0s
     0     0   15.11912    0  110    9.00000   15.11912  68.0%     -    0s
     0     0   15.08575    0  111    9.00000   15.08575  67.6%     -    0s
     0     0   15.08001    0  111    9.00000   15.08001  67.6%     -    0s
     0     0   15.06356    0  111    9.00000   15.06356  67.4%     -    0s
     0     0   15.06287    0  111    9.00000   15.06287  67.4%     -    1s
     0     0   15.06276    0  111    9.00000   15.06276  67.4%     -    1s
     0     2   15.06166    0  111    9.00000   15.06166  67.4%     -    1s

Cutting planes:
  Clique: 88

Explored 518 nodes (26083 simplex iterations) in 3.02 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%