Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:47:41 2013 Optimize a model with 156000 rows, 234002 columns and 312000 nonzeros Model has 78000 quadratic constraints Presolve time: 0.19s Presolved: 156000 rows, 234002 columns, 312000 nonzeros Presolved model has 78000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.340e+05 Factor NZ : 5.460e+05 (roughly 160 MBytes of memory) Factor Ops : 1.950e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.59246687e+07 0.00000000e+00 1.60e-11 5.01e-01 2.91e+02 0s 1 1.34728063e+07 2.78681837e+06 3.53e-07 4.57e-05 4.57e+01 1s 2 1.01277183e+07 8.06976540e+06 5.11e-08 2.75e-06 8.79e+00 1s 3 9.32958391e+06 8.91577355e+06 1.12e-08 3.33e-07 1.77e+00 2s 4 9.09161686e+06 9.02204877e+06 1.47e-09 6.65e-08 2.97e-01 2s 5 9.05129153e+06 9.03737088e+06 3.84e-12 3.02e-08 5.95e-02 2s 6 9.05085010e+06 9.05064709e+06 1.11e-12 5.80e-11 8.68e-04 3s 7 9.05068052e+06 9.05067126e+06 3.41e-13 3.00e-12 3.96e-05 3s 8 9.05067484e+06 9.05067307e+06 4.12e-13 2.92e-12 7.57e-06 3s Barrier solved model in 8 iterations and 3.22 seconds Optimal objective 9.05067484e+06