Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:01:34 2013 Optimize a model with 30000 rows, 45002 columns and 60000 nonzeros Model has 15000 quadratic constraints Presolve time: 0.03s Presolved: 30000 rows, 45002 columns, 60000 nonzeros Presolved model has 15000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 4.500e+04 Factor NZ : 1.050e+05 (roughly 30 MBytes of memory) Factor Ops : 3.750e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.30494991e+07 0.00000000e+00 6.82e-13 5.03e-01 3.00e+02 0s 1 2.61256608e+06 5.24665731e+05 1.93e-07 4.86e-05 4.64e+01 0s 2 1.95453728e+06 1.54582809e+06 2.83e-08 3.07e-06 9.08e+00 0s 3 1.79378616e+06 1.71626853e+06 6.13e-09 3.67e-07 1.72e+00 0s 4 1.75463107e+06 1.73633075e+06 1.40e-09 8.70e-08 4.07e-01 0s 5 1.74328009e+06 1.73915585e+06 5.83e-12 4.91e-08 9.16e-02 0s 6 1.74308044e+06 1.74286387e+06 1.24e-12 2.07e-09 4.81e-03 0s 7 1.74302940e+06 1.74301128e+06 5.68e-14 2.03e-10 4.03e-04 1s 8 1.74302736e+06 1.74302040e+06 2.84e-14 8.48e-11 1.55e-04 1s 9 1.74302714e+06 1.74302256e+06 2.84e-14 5.85e-11 1.02e-04 1s 10 1.74302707e+06 1.74302630e+06 4.20e-10 1.65e-10 1.69e-05 1s Barrier solved model in 10 iterations and 0.69 seconds Optimal objective 1.74302707e+06