Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:43 2013 Optimize a model with 1620 rows, 2432 columns and 3240 nonzeros Model has 810 quadratic constraints Presolve time: 0.00s Presolved: 1620 rows, 2432 columns, 3240 nonzeros Presolved model has 810 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.430e+03 Factor NZ : 5.673e+03 (roughly 2 MBytes of memory) Factor Ops : 2.026e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.83189850e+05 0.00000000e+00 2.84e-14 4.85e-01 2.91e+02 0s 1 1.34473204e+05 2.76858759e+04 9.42e-09 4.90e-05 4.39e+01 0s 2 1.01817556e+05 8.17057617e+04 2.41e-08 8.10e-06 8.28e+00 0s 3 9.29182437e+04 9.04698352e+04 9.49e-09 1.97e-06 1.01e+00 0s 4 9.17114107e+04 9.15156591e+04 1.24e-09 1.44e-07 8.06e-02 0s 5 9.16790396e+04 9.16724082e+04 9.70e-11 7.68e-09 2.73e-03 0s 6 9.16761928e+04 9.16747137e+04 8.22e-11 2.93e-09 6.09e-04 0s 7 9.16758394e+04 9.16757229e+04 1.90e-09 4.62e-09 4.79e-05 0s 8 9.16757984e+04 9.16757691e+04 4.23e-10 1.22e-09 1.21e-05 0s Barrier solved model in 8 iterations and 0.03 seconds Optimal objective 9.16757984e+04