Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:45:56 2013 Optimize a model with 5000 rows, 7502 columns and 10000 nonzeros Model has 2500 quadratic constraints Presolve time: 0.01s Presolved: 5000 rows, 7502 columns, 10000 nonzeros Presolved model has 2500 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 7.500e+03 Factor NZ : 1.750e+04 (roughly 5 MBytes of memory) Factor Ops : 6.250e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.20635355e+06 0.00000000e+00 4.26e-14 5.24e-01 3.04e+02 0s 1 4.37454739e+05 8.90966486e+04 1.61e-08 4.94e-05 4.64e+01 0s 2 3.31317399e+05 2.62363553e+05 6.78e-08 6.51e-06 9.19e+00 0s 3 3.02282233e+05 2.91099923e+05 8.30e-09 1.08e-06 1.49e+00 0s 4 2.95892632e+05 2.95406451e+05 1.33e-09 1.23e-07 6.48e-02 0s 5 2.95725664e+05 2.95705128e+05 6.88e-11 4.48e-09 2.74e-03 0s 6 2.95717589e+05 2.95715305e+05 1.20e-10 1.39e-09 3.05e-04 0s 7 2.95716956e+05 2.95716419e+05 2.05e-09 1.02e-09 7.17e-05 0s 8 2.95716751e+05 2.95716581e+05 4.31e-10 4.06e-10 2.26e-05 0s Barrier solved model in 8 iterations and 0.09 seconds Optimal objective 2.95716751e+05