Gurobi 5.0.1 (linux64) logging started Sat Nov 17 20:11:55 2012

Optimize a model with 171 rows, 367 columns and 367 nonzeros
Model has 340 quadratic constraints
Presolve time: 1.97s
Presolved: 171 rows, 367 columns, 367 nonzeros
Variable types: 340 continuous, 27 integer (27 binary)

Root relaxation: objective 0.000000e+00, 13 iterations, 0.00 seconds

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

H    0     0                      87.0000000          -     -      -    1s
     0     0    0.00000    0   24   87.00000    0.00000   100%     -    1s
     0     0    0.52222    0   27   87.00000    0.52222  99.4%     -    1s
     0     2    0.53125    0   27   87.00000    0.53125  99.4%     -    1s
*   38    38              20      76.0000000    7.00000  90.8%  36.9    2s
H  101    83                      71.0000000    9.47059  86.7%  36.2    2s
H  145   113                      69.0000000    9.83333  85.7%  39.4    2s
*  146   111              16      68.0000000    9.83333  85.5%  39.2    2s
  1465   497   50.07680   33  209   68.00000   27.42857  59.7%  37.0    5s
H 2702   962                      67.0000000   32.95660  50.8%  30.1    6s
H 2706   946                      66.0000000   32.95660  50.1%  30.1    6s
H 3938  1341                      65.0000000   38.20000  41.2%  27.1    7s
  4850  1538   62.95353   44  199   65.00000   40.61806  37.5%  25.9   10s
  8267  1921   57.35330   37  195   65.00000   47.33333  27.2%  23.3   15s
 13619  1913   63.40000   36  193   65.00000   53.35330  17.9%  21.5   20s
*13760  1846              39      64.0000000   53.50000  16.4%  21.4   20s

Explored 18504 nodes (372050 simplex iterations) in 23.49 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 6.400000000000e+01, best bound 6.400000000000e+01, gap 0.0%