Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:43:30 2012

Optimize a model with 1 rows, 176 columns and 176 nonzeros
Model has 172 quadratic objective terms
Presolve removed 0 rows and 31 columns
Presolve time: 0.00s
Presolved: 173 rows, 317 columns, 661 nonzeros
Variable types: 0 continuous, 317 integer (316 binary)
Found heuristic solution: objective 47.0000000

Root relaxation: objective 0.000000e+00, 205 iterations, 0.00 seconds

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

     0     0    0.00000    0   45   47.00000    0.00000   100%     -    0s
H    0     0                      35.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   30   35.00000    0.00000   100%     -    0s
H    0     0                      22.0000000    0.00000   100%     -    0s
H    0     0                      21.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   42   21.00000    0.00000   100%     -    0s
     0     0    0.00000    0   24   21.00000    0.00000   100%     -    0s
H    0     0                      14.0000000    0.00000   100%     -    0s
     0     2    0.00000    0   24   14.00000    0.00000   100%     -    0s
H  189   112                      12.0000000    0.00000   100%   4.2    0s
H 1020   558                      10.0000000    0.00000   100%   8.7    0s
 40805 26434    8.00000   51   24   10.00000    1.00000  90.0%   1.5    8s
 40869 26479    1.71686   49  161   10.00000    1.69772  83.0%   1.7   10s
H41005 25175                       9.0000000    1.70608  81.0%   1.9   10s

Cutting planes:
  Gomory: 67
  Cover: 212
  MIR: 122
  Flow cover: 122
  Zero half: 310

Explored 41494 nodes (113621 simplex iterations) in 14.21 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%