Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:08:26 2013 Optimize a model with 128000 rows, 192002 columns and 256000 nonzeros Model has 64000 quadratic constraints Presolve time: 0.15s Presolved: 128000 rows, 192002 columns, 256000 nonzeros Presolved model has 64000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.920e+05 Factor NZ : 4.480e+05 (roughly 130 MBytes of memory) Factor Ops : 1.600e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.42458734e+07 0.00000000e+00 6.79e-12 4.98e-01 2.92e+02 0s 1 1.10328249e+07 2.25105867e+06 1.93e-06 4.64e-05 4.57e+01 1s 2 8.26592541e+06 6.56095645e+06 2.80e-07 2.84e-06 8.88e+00 1s 3 7.61120613e+06 7.26425647e+06 6.25e-08 3.42e-07 1.81e+00 1s 4 7.41509894e+06 7.35042341e+06 9.91e-09 7.46e-08 3.37e-01 2s 5 7.37995755e+06 7.36840144e+06 8.57e-10 2.25e-08 6.02e-02 2s 6 7.37825868e+06 7.37579217e+06 4.49e-10 1.54e-09 1.28e-02 2s 7 7.37655031e+06 7.37631308e+06 4.16e-11 1.16e-10 1.24e-03 2s 8 7.37644651e+06 7.37635726e+06 1.84e-11 2.82e-11 4.65e-04 3s 9 7.37637378e+06 7.37636249e+06 2.27e-12 9.97e-12 5.88e-05 3s 10 7.37636773e+06 7.37636280e+06 1.66e-12 8.14e-12 2.57e-05 3s Barrier solved model in 10 iterations and 3.13 seconds Optimal objective 7.37636773e+06