Gurobi 5.0.1 (linux64) logging started Tue Jan 22 23:07:11 2013 Optimize a model with 200000 rows, 300002 columns and 400000 nonzeros Model has 100000 quadratic constraints Presolve time: 0.24s Presolved: 200000 rows, 300002 columns, 400000 nonzeros Presolved model has 100000 second-order cone constraints Ordering time: 0.03s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 3.000e+05 Factor NZ : 7.000e+05 (roughly 200 MBytes of memory) Factor Ops : 2.500e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 8.37834121e+07 0.00000000e+00 1.91e-11 5.02e-01 2.89e+02 1s 1 1.72114544e+07 3.59794288e+06 1.04e-06 4.47e-05 4.54e+01 1s 2 1.29625555e+07 1.03577816e+07 1.49e-07 2.65e-06 8.68e+00 1s 3 1.19560332e+07 1.14267622e+07 3.34e-08 3.19e-07 1.76e+00 2s 4 1.16434443e+07 1.15572809e+07 3.99e-09 7.03e-08 2.87e-01 3s 5 1.15986723e+07 1.15842279e+07 1.81e-10 2.06e-08 4.81e-02 3s 6 1.15961439e+07 1.15958761e+07 1.18e-11 1.58e-10 8.93e-04 3s 7 1.15960147e+07 1.15959659e+07 3.23e-12 4.36e-12 1.63e-04 4s 8 1.15959745e+07 1.15959666e+07 1.35e-12 6.85e-12 2.62e-05 4s Barrier solved model in 8 iterations and 4.09 seconds Optimal objective 1.15959745e+07