Gurobi 5.0.1 (linux64) logging started Tue Jan 22 22:22:53 2013 Optimize a model with 178000 rows, 267002 columns and 356000 nonzeros Model has 89000 quadratic constraints Presolve time: 0.21s Presolved: 178000 rows, 267002 columns, 356000 nonzeros Presolved model has 89000 second-order cone constraints Ordering time: 0.03s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.670e+05 Factor NZ : 6.230e+05 (roughly 200 MBytes of memory) Factor Ops : 2.225e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.48459902e+07 0.00000000e+00 2.04e-11 5.01e-01 2.90e+02 1s 1 1.53018026e+07 3.17516099e+06 5.14e-07 4.52e-05 4.54e+01 1s 2 1.15109019e+07 9.18950819e+06 7.39e-08 2.67e-06 8.69e+00 1s 3 1.06141155e+07 1.01434307e+07 1.64e-08 3.25e-07 1.76e+00 2s 4 1.03235689e+07 1.02851752e+07 1.10e-09 1.85e-08 1.44e-01 2s 5 1.02964901e+07 1.02957510e+07 2.60e-11 1.47e-11 2.77e-03 3s 6 1.02959235e+07 1.02958084e+07 4.21e-12 3.68e-12 4.31e-04 3s 7 1.02958375e+07 1.02958178e+07 9.09e-13 1.54e-11 7.39e-05 3s 8 1.02958263e+07 1.02958201e+07 6.11e-13 6.28e-12 2.34e-05 4s Barrier solved model in 8 iterations and 3.59 seconds Optimal objective 1.02958263e+07