Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:50:13 2013 Optimize a model with 12000 rows, 18002 columns and 24000 nonzeros Model has 6000 quadratic constraints Presolve time: 0.01s Presolved: 12000 rows, 18002 columns, 24000 nonzeros Presolved model has 6000 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.800e+04 Factor NZ : 4.200e+04 (roughly 12 MBytes of memory) Factor Ops : 1.500e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.21213439e+06 0.00000000e+00 9.95e-14 5.01e-01 2.99e+02 0s 1 1.03931650e+06 2.09508496e+05 7.36e-08 4.91e-05 4.61e+01 0s 2 7.80293317e+05 6.17676544e+05 7.81e-08 3.84e-06 9.03e+00 0s 3 7.16258615e+05 6.85176822e+05 1.51e-08 4.84e-07 1.73e+00 0s 4 6.98368747e+05 6.94599869e+05 1.40e-09 7.17e-08 2.09e-01 0s 5 6.96731233e+05 6.96302334e+05 2.42e-10 1.94e-09 2.38e-02 0s 6 6.96422332e+05 6.96367963e+05 3.47e-11 5.52e-11 3.02e-03 0s 7 6.96373544e+05 6.96370080e+05 2.03e-12 5.56e-13 1.92e-04 0s 8 6.96371320e+05 6.96370283e+05 8.58e-10 4.21e-10 5.76e-05 0s 9 6.96370600e+05 6.96370342e+05 2.04e-10 8.79e-11 1.43e-05 0s Barrier solved model in 9 iterations and 0.25 seconds Optimal objective 6.96370600e+05