Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:23:11 2012

Optimize a model with 108 rows, 284 columns and 284 nonzeros
Model has 214 quadratic constraints
Presolve removed 0 rows and 1 columns
Presolve time: 1.28s
Presolved: 108 rows, 283 columns, 283 nonzeros
Variable types: 214 continuous, 69 integer (68 binary)

Root relaxation: objective 0.000000e+00, 34 iterations, 0.00 seconds

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

H    0     0                      52.0000000          -     -      -    1s
     0     0    0.00000    0    3   52.00000    0.00000   100%     -    1s
     0     0    0.00000    0    4   52.00000    0.00000   100%     -    1s
     0     0    0.00000    0    2   52.00000    0.00000   100%     -    1s
     0     2    0.00000    0    2   52.00000    0.00000   100%     -    1s
*   21    21              16      20.0000000    1.00000  95.0%  26.5    1s
*   73    48              16      19.0000000    2.29412  87.9%  27.7    1s
H  109    58                      18.0000000    3.80000  78.9%  24.5    1s
*  109    46               9      16.0000000    3.80000  76.2%  25.1    1s
*  449    52              10      15.0000000   10.66667  28.9%  18.4    1s
*  479    45              11      14.0000000   11.00000  21.4%  18.3    1s

Cutting planes:

Explored 546 nodes (10215 simplex iterations) in 1.54 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.400000000000e+01, best bound 1.400000000000e+01, gap 0.0%