Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:12:27 2013 Optimize a model with 60000 rows, 90002 columns and 120000 nonzeros Model has 30000 quadratic constraints Presolve time: 0.07s Presolved: 60000 rows, 90002 columns, 120000 nonzeros Presolved model has 30000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 9.000e+04 Factor NZ : 2.100e+05 (roughly 60 MBytes of memory) Factor Ops : 7.500e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.59301113e+07 0.00000000e+00 2.27e-12 5.03e-01 2.98e+02 0s 1 5.21331347e+06 1.05049958e+06 4.06e-07 4.79e-05 4.63e+01 0s 2 3.90305866e+06 3.08996451e+06 5.92e-08 3.00e-06 9.03e+00 0s 3 3.59138879e+06 3.42658866e+06 1.30e-08 3.68e-07 1.83e+00 1s 4 3.49829390e+06 3.47072330e+06 1.71e-09 6.66e-08 3.06e-01 1s 5 3.48150645e+06 3.47865463e+06 1.31e-11 1.55e-08 3.17e-02 1s 6 3.48132358e+06 3.48121676e+06 4.62e-12 5.00e-11 1.19e-03 1s 7 3.48124197e+06 3.48122472e+06 8.95e-13 1.13e-12 1.92e-04 1s 8 3.48122797e+06 3.48122475e+06 4.83e-13 2.80e-12 3.58e-05 1s Barrier solved model in 8 iterations and 1.19 seconds Optimal objective 3.48122797e+06