Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:54:19 2012

Optimize a model with 100 rows, 219 columns and 219 nonzeros
Model has 198 quadratic constraints
Presolve time: 1.15s
Presolved: 100 rows, 219 columns, 219 nonzeros
Variable types: 198 continuous, 21 integer (21 binary)

Root relaxation: objective 0.000000e+00, 10 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   16   52.00000    0.00000   100%     -    1s
     0     0    0.33929    0   21   52.00000    0.33929  99.3%     -    1s
     0     0    0.33929    0   21   52.00000    0.33929  99.3%     -    1s
     0     2    0.33929    0   21   52.00000    0.33929  99.3%     -    1s
*   28    28              15      45.0000000    5.81818  87.1%  27.2    1s
H   46    36                      43.0000000    5.93750  86.2%  26.3    1s
*   48    38              11      42.0000000    5.93750  85.9%  25.8    1s
H  102    62                      40.0000000   10.02024  74.9%  23.8    1s
*  125    76              12      39.0000000   11.42383  70.7%  24.9    1s
*  256    94               9      38.0000000   18.30859  51.8%  23.9    1s

Cutting planes:
  Gomory: 1

Explored 828 nodes (16774 simplex iterations) in 1.54 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.800000000000e+01, best bound 3.800000000000e+01, gap 0.0%