Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:40:28 2013 Optimize a model with 152000 rows, 228002 columns and 304000 nonzeros Model has 76000 quadratic constraints Presolve time: 0.21s Presolved: 152000 rows, 228002 columns, 304000 nonzeros Presolved model has 76000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.280e+05 Factor NZ : 5.320e+05 (roughly 160 MBytes of memory) Factor Ops : 1.900e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.43282119e+07 0.00000000e+00 9.35e-12 5.02e-01 2.91e+02 0s 1 1.31026426e+07 2.69807459e+06 3.63e-07 4.57e-05 4.56e+01 1s 2 9.84138190e+06 7.84421248e+06 5.22e-08 2.72e-06 8.76e+00 1s 3 9.05104931e+06 8.66870855e+06 1.15e-08 3.26e-07 1.68e+00 2s 4 8.85846123e+06 8.76489058e+06 2.52e-09 8.02e-08 4.10e-01 2s 5 8.80303718e+06 8.78881124e+06 1.70e-10 2.16e-08 6.24e-02 2s 6 8.80017464e+06 8.79830477e+06 6.60e-11 8.09e-11 8.20e-03 3s 7 8.79841268e+06 8.79834080e+06 1.51e-12 7.50e-12 3.15e-04 3s 8 8.79837480e+06 8.79835212e+06 5.12e-13 4.71e-12 9.95e-05 3s 9 8.79836586e+06 8.79835576e+06 2.84e-13 6.80e-12 4.43e-05 4s 10 8.79836135e+06 8.79835593e+06 3.27e-13 3.19e-12 2.38e-05 4s Barrier solved model in 10 iterations and 3.80 seconds Optimal objective 8.79836135e+06