Gurobi 5.0.1 (linux64) logging started Tue Jan 22 22:38:07 2013 Optimize a model with 186000 rows, 279002 columns and 372000 nonzeros Model has 93000 quadratic constraints Presolve time: 0.22s Presolved: 186000 rows, 279002 columns, 372000 nonzeros Presolved model has 93000 second-order cone constraints Ordering time: 0.03s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.790e+05 Factor NZ : 6.510e+05 (roughly 200 MBytes of memory) Factor Ops : 2.325e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.78503433e+07 0.00000000e+00 2.23e-11 4.97e-01 2.88e+02 1s 1 1.59755772e+07 3.32530125e+06 1.75e-07 4.52e-05 4.53e+01 1s 2 1.20239981e+07 9.59396807e+06 2.54e-08 2.70e-06 8.71e+00 1s 3 1.10785643e+07 1.05910053e+07 5.55e-09 3.23e-07 1.75e+00 2s 4 1.08067649e+07 1.07141456e+07 9.52e-10 6.53e-08 3.32e-01 2s 5 1.07496199e+07 1.07320308e+07 5.73e-12 3.04e-08 6.30e-02 3s 6 1.07487685e+07 1.07484056e+07 1.48e-12 1.21e-10 1.30e-03 3s 7 1.07485003e+07 1.07484670e+07 2.63e-13 1.31e-11 1.19e-04 3s 8 1.07484821e+07 1.07484760e+07 2.20e-13 2.96e-12 2.21e-05 4s Barrier solved model in 8 iterations and 3.80 seconds Optimal objective 1.07484821e+07