Gurobi 5.0.1 (linux64) logging started Tue Jan 22 22:27:15 2013 Optimize a model with 180000 rows, 270002 columns and 360000 nonzeros Model has 90000 quadratic constraints Presolve time: 0.21s Presolved: 180000 rows, 270002 columns, 360000 nonzeros Presolved model has 90000 second-order cone constraints Ordering time: 0.03s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.700e+05 Factor NZ : 6.300e+05 (roughly 200 MBytes of memory) Factor Ops : 2.250e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.56813105e+07 0.00000000e+00 1.70e-11 5.02e-01 2.90e+02 1s 1 1.54997633e+07 3.22732299e+06 9.93e-07 4.51e-05 4.55e+01 1s 2 1.16664939e+07 9.31861866e+06 1.43e-07 2.67e-06 8.70e+00 1s 3 1.07573168e+07 1.02837850e+07 3.15e-08 3.25e-07 1.75e+00 2s 4 1.04580472e+07 1.04286505e+07 1.34e-09 1.49e-08 1.09e-01 2s 5 1.04399313e+07 1.04375879e+07 1.40e-10 1.93e-10 8.68e-03 3s 6 1.04380263e+07 1.04376741e+07 1.59e-11 8.60e-11 1.30e-03 3s 7 1.04378753e+07 1.04377715e+07 6.34e-12 7.38e-12 3.84e-04 3s 8 1.04377947e+07 1.04377753e+07 1.35e-12 2.21e-11 7.19e-05 4s 9 1.04377845e+07 1.04377764e+07 7.96e-13 9.80e-12 3.03e-05 4s Barrier solved model in 9 iterations and 4.12 seconds Optimal objective 1.04377845e+07