Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:41:10 2012

Optimize a model with 92 rows, 223 columns and 223 nonzeros
Model has 182 quadratic constraints
Presolve time: 1.06s
Presolved: 92 rows, 223 columns, 223 nonzeros
Variable types: 182 continuous, 41 integer (41 binary)

Root relaxation: objective 0.000000e+00, 20 iterations, 0.00 seconds

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

H    0     0                      45.0000000          -     -      -    1s
     0     0    0.00000    0   17   45.00000    0.00000   100%     -    1s
     0     0    0.00000    0   27   45.00000    0.00000   100%     -    1s
     0     0    0.00000    0   27   45.00000    0.00000   100%     -    1s
     0     2    0.00000    0   26   45.00000    0.00000   100%     -    1s
*   30    30              18      28.0000000    5.25000  81.2%  31.6    1s
H   46    37                      21.0000000    6.00000  71.4%  27.1    1s
*   87    45              12      19.0000000    6.66667  64.9%  21.3    1s

Cutting planes:
  Gomory: 1

Explored 728 nodes (12022 simplex iterations) in 1.36 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.900000000000e+01, best bound 1.900000000000e+01, gap 0.0%