Gurobi 5.0.1 (linux64) logging started Tue Jan 22 22:09:59 2013 Optimize a model with 170000 rows, 255002 columns and 340000 nonzeros Model has 85000 quadratic constraints Presolve time: 0.21s Presolved: 170000 rows, 255002 columns, 340000 nonzeros Presolved model has 85000 second-order cone constraints Ordering time: 0.03s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.550e+05 Factor NZ : 5.950e+05 (roughly 180 MBytes of memory) Factor Ops : 2.125e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.14970769e+07 0.00000000e+00 1.66e-11 4.98e-01 2.90e+02 1s 1 1.46148541e+07 3.03454984e+06 1.31e-06 4.53e-05 4.54e+01 1s 2 1.10002952e+07 8.77864475e+06 1.90e-07 2.70e-06 8.71e+00 1s 3 1.01408699e+07 9.69078290e+06 4.20e-08 3.27e-07 1.77e+00 2s 4 9.86002243e+06 9.82608392e+06 2.39e-09 1.92e-08 1.33e-01 2s 5 9.83824364e+06 9.83640387e+06 1.72e-10 1.05e-10 7.21e-03 3s 6 9.83674549e+06 9.83649049e+06 2.21e-11 2.33e-11 1.00e-03 3s 7 9.83664074e+06 9.83652510e+06 1.15e-11 6.03e-12 4.53e-04 3s 8 9.83654589e+06 9.83652729e+06 2.22e-12 3.25e-12 7.29e-05 4s 9 9.83653618e+06 9.83652861e+06 1.15e-12 4.60e-12 2.97e-05 4s Barrier solved model in 9 iterations and 3.95 seconds Optimal objective 9.83653618e+06