Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:44:52 2013 Optimize a model with 106000 rows, 159002 columns and 212000 nonzeros Model has 53000 quadratic constraints Presolve time: 0.12s Presolved: 106000 rows, 159002 columns, 212000 nonzeros Presolved model has 53000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.590e+05 Factor NZ : 3.710e+05 (roughly 100 MBytes of memory) Factor Ops : 1.325e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.50934600e+07 0.00000000e+00 4.55e-12 4.96e-01 2.93e+02 0s 1 9.13558628e+06 1.85391691e+06 2.23e-06 4.67e-05 4.58e+01 0s 2 6.84108795e+06 5.42580588e+06 2.24e-07 3.53e-06 8.90e+00 1s 3 6.27867477e+06 5.99274513e+06 5.20e-08 4.50e-07 1.80e+00 1s 4 6.14153922e+06 6.07103936e+06 9.90e-09 1.29e-07 4.43e-01 1s 5 6.10577133e+06 6.10019432e+06 7.11e-14 1.37e-08 3.51e-02 1s 6 6.10416768e+06 6.10414287e+06 2.84e-14 4.54e-12 1.56e-04 2s 7 6.10415393e+06 6.10415135e+06 9.95e-14 2.89e-12 1.63e-05 2s Barrier solved model in 7 iterations and 1.92 seconds Optimal objective 6.10415393e+06