Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:12:39 2013 Optimize a model with 60000 rows, 90002 columns and 120000 nonzeros Model has 30000 quadratic constraints Presolve time: 0.07s Presolved: 60000 rows, 90002 columns, 120000 nonzeros Presolved model has 30000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 9.000e+04 Factor NZ : 2.100e+05 (roughly 60 MBytes of memory) Factor Ops : 7.500e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.58619111e+07 0.00000000e+00 2.02e-12 4.99e-01 2.97e+02 0s 1 5.19884709e+06 1.05162505e+06 1.57e-07 4.76e-05 4.61e+01 0s 2 3.90161227e+06 3.09799000e+06 2.26e-08 2.90e-06 8.93e+00 0s 3 3.58682371e+06 3.42834218e+06 5.09e-09 3.63e-07 1.76e+00 1s 4 3.50217805e+06 3.47161877e+06 8.36e-10 7.17e-08 3.40e-01 1s 5 3.48343355e+06 3.47942679e+06 1.36e-11 2.14e-08 4.45e-02 1s 6 3.48315164e+06 3.48293177e+06 5.83e-12 5.33e-11 2.44e-03 1s 7 3.48298622e+06 3.48294099e+06 1.34e-12 2.96e-12 5.03e-04 1s 8 3.48294884e+06 3.48294114e+06 3.91e-13 1.97e-12 8.55e-05 1s 9 3.48294446e+06 3.48294165e+06 1.85e-13 1.61e-12 3.13e-05 1s Barrier solved model in 9 iterations and 1.36 seconds Optimal objective 3.48294446e+06