Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:43:43 2013

Optimize a model with 280 rows, 422 columns and 560 nonzeros
Model has 140 quadratic constraints
Presolve time: 0.00s
Presolved: 280 rows, 422 columns, 560 nonzeros
Presolved model has 140 second-order cone constraints
Ordering time: 0.00s

Barrier statistics:
 Dense cols : 2
 Free vars  : 2
 AA' NZ     : 4.200e+02
 Factor NZ  : 9.830e+02
 Factor Ops : 3.505e+03 (less than 1 second per iteration)
 Threads    : 1

                  Objective                Residual
Iter       Primal          Dual         Primal    Dual     Compl     Time
   0   1.19625956e+05  0.00000000e+00  2.84e-14 5.01e-01  2.94e+02     0s
   1   2.34653478e+04  5.31577207e+03  2.15e-09 5.31e-05  4.32e+01     0s
   2   1.93295273e+04  1.52103092e+04  9.38e-09 9.22e-06  9.81e+00     0s
   3   1.71326889e+04  1.67676181e+04  2.76e-09 1.95e-06  8.69e-01     0s
   4   1.68897422e+04  1.68497949e+04  1.08e-10 2.73e-07  9.51e-02     0s
   5   1.68747737e+04  1.68735546e+04  3.42e-11 4.00e-08  2.90e-03     0s
   6   1.68741689e+04  1.68738073e+04  6.80e-10 7.53e-09  8.61e-04     0s
   7   1.68738789e+04  1.68738226e+04  2.94e-09 1.92e-09  1.34e-04     0s
   8   1.68738379e+04  1.68738255e+04  6.57e-10 2.74e-11  2.96e-05     0s

Barrier solved model in 8 iterations and 0.01 seconds
Optimal objective 1.68738379e+04