Gurobi 5.0.1 (linux64) logging started Tue Jan 22 23:04:42 2013 Optimize a model with 200000 rows, 300002 columns and 400000 nonzeros Model has 100000 quadratic constraints Presolve time: 0.26s Presolved: 200000 rows, 300002 columns, 400000 nonzeros Presolved model has 100000 second-order cone constraints Ordering time: 0.03s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 3.000e+05 Factor NZ : 7.000e+05 (roughly 200 MBytes of memory) Factor Ops : 2.500e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 8.36007928e+07 0.00000000e+00 1.76e-11 5.00e-01 2.88e+02 1s 1 1.71569505e+07 3.59771405e+06 1.46e-06 4.47e-05 4.52e+01 1s 2 1.29459906e+07 1.03655499e+07 2.09e-07 2.61e-06 8.60e+00 1s 3 1.19186669e+07 1.14236869e+07 4.60e-08 3.13e-07 1.65e+00 2s 4 1.16366759e+07 1.15511883e+07 5.66e-09 7.00e-08 2.85e-01 3s 5 1.15949657e+07 1.15894152e+07 5.42e-10 1.16e-09 1.85e-02 3s 6 1.15905124e+07 1.15902554e+07 2.14e-11 8.65e-11 8.57e-04 3s 7 1.15903698e+07 1.15903332e+07 4.14e-12 8.40e-12 1.22e-04 4s 8 1.15903441e+07 1.15903348e+07 1.57e-12 8.23e-12 3.10e-05 4s Barrier solved model in 8 iterations and 4.09 seconds Optimal objective 1.15903441e+07