Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:57:00 2013 Optimize a model with 18000 rows, 27002 columns and 36000 nonzeros Model has 9000 quadratic constraints Presolve time: 0.02s Presolved: 18000 rows, 27002 columns, 36000 nonzeros Presolved model has 9000 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.700e+04 Factor NZ : 6.300e+04 (roughly 20 MBytes of memory) Factor Ops : 2.250e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.86551600e+06 0.00000000e+00 9.95e-14 5.06e-01 3.01e+02 0s 1 1.57059655e+06 3.13986535e+05 4.78e-08 4.90e-05 4.65e+01 0s 2 1.17629251e+06 9.30399090e+05 4.79e-08 3.41e-06 9.11e+00 0s 3 1.08024322e+06 1.03309446e+06 1.06e-08 4.09e-07 1.75e+00 0s 4 1.05157825e+06 1.04579445e+06 5.78e-10 8.43e-08 2.14e-01 0s 5 1.04927209e+06 1.04909446e+06 9.19e-12 3.34e-09 6.58e-03 0s 6 1.04923837e+06 1.04922866e+06 9.09e-13 1.40e-10 3.60e-04 0s 7 1.04923536e+06 1.04923411e+06 1.99e-13 1.16e-11 4.64e-05 0s 8 1.04923479e+06 1.04923456e+06 1.21e-13 1.70e-11 8.29e-06 0s Barrier solved model in 8 iterations and 0.35 seconds Optimal objective 1.04923479e+06