Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:34:24 2012

Optimize a model with 1 rows, 162 columns and 162 nonzeros
Model has 151 quadratic objective terms
Presolve removed 0 rows and 18 columns
Presolve time: 0.00s
Presolved: 152 rows, 295 columns, 597 nonzeros
Variable types: 0 continuous, 295 integer (294 binary)
Found heuristic solution: objective 45.0000000

Root relaxation: objective 0.000000e+00, 184 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   32   45.00000    0.00000   100%     -    0s
H    0     0                      31.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   26   31.00000    0.00000   100%     -    0s
H    0     0                      21.0000000    0.00000   100%     -    0s
H    0     0                      17.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   26   17.00000    0.00000   100%     -    0s
     0     0    0.00000    0   21   17.00000    0.00000   100%     -    0s
H    0     0                      15.0000000    0.00000   100%     -    0s
     0     2    0.00000    0   21   15.00000    0.00000   100%     -    0s
H  135    89                      13.0000000    0.00000   100%   2.7    0s
H  324   241                      12.0000000    0.00000   100%   4.9    0s
H  365   151                       8.0000000    0.00000   100%   7.3    0s
H  558   197                       7.0000000    0.00000   100%   9.3    0s
H  567   160                       6.0000000    0.00000   100%   9.6    0s

Cutting planes:
  Cover: 278

Explored 801 nodes (19199 simplex iterations) in 0.35 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0%