Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:52:55 2013 Optimize a model with 14600 rows, 21902 columns and 29200 nonzeros Model has 7300 quadratic constraints Presolve time: 0.02s Presolved: 14600 rows, 21902 columns, 29200 nonzeros Presolved model has 7300 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.190e+04 Factor NZ : 5.110e+04 (roughly 15 MBytes of memory) Factor Ops : 1.825e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.30445120e+06 0.00000000e+00 1.71e-13 4.86e-01 2.98e+02 0s 1 1.25900673e+06 2.49587633e+05 1.24e-07 4.90e-05 4.61e+01 0s 2 9.38665267e+05 7.40712806e+05 1.79e-08 3.07e-06 9.04e+00 0s 3 8.64414085e+05 8.22997268e+05 3.48e-09 3.86e-07 1.89e+00 0s 4 8.37215349e+05 8.36105873e+05 4.97e-14 9.08e-09 5.07e-02 0s 5 8.36608033e+05 8.36552699e+05 2.84e-14 4.63e-11 2.53e-03 0s 6 8.36563436e+05 8.36555483e+05 1.60e-10 4.42e-10 3.63e-04 0s 7 8.36558358e+05 8.36556284e+05 4.38e-11 6.13e-12 9.47e-05 0s 8 8.36557291e+05 8.36556367e+05 1.93e-11 2.49e-12 4.22e-05 0s 9 8.36556903e+05 8.36556473e+05 9.77e-12 2.84e-13 1.97e-05 0s Barrier solved model in 9 iterations and 0.31 seconds Optimal objective 8.36556903e+05