Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:40:35 2012

Optimize a model with 87 rows, 212 columns and 212 nonzeros
Model has 172 quadratic constraints
Presolve time: 1.00s
Presolved: 87 rows, 212 columns, 212 nonzeros
Variable types: 172 continuous, 40 integer (40 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                      42.0000000          -     -      -    1s
     0     0    0.00000    0   32   42.00000    0.00000   100%     -    1s
     0     0    0.34539    0   38   42.00000    0.34539  99.2%     -    1s
H    0     0                      40.0000000    0.34539  99.1%     -    1s
     0     2    0.38194    0   38   40.00000    0.38194  99.0%     -    1s
*   25    25              16      22.0000000    2.12500  90.3%  22.9    1s
*   27    25              18      21.0000000    2.12500  89.9%  21.5    1s
*   30    21              19      20.0000000    2.12500  89.4%  19.7    1s
*  121    67               9      19.0000000    7.64112  59.8%  20.8    1s
*  166    58              15      18.0000000    8.75000  51.4%  18.3    1s
*  345    44               9      17.0000000   11.85714  30.3%  18.5    1s

Cutting planes:
  Gomory: 1

Explored 444 nodes (8073 simplex iterations) in 1.20 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.700000000000e+01, best bound 1.700000000000e+01, gap 0.0%