Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:28:58 2013 Optimize a model with 86000 rows, 129002 columns and 172000 nonzeros Model has 43000 quadratic constraints Presolve time: 0.10s Presolved: 86000 rows, 129002 columns, 172000 nonzeros Presolved model has 43000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.290e+05 Factor NZ : 3.010e+05 (roughly 90 MBytes of memory) Factor Ops : 1.075e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.68744128e+07 0.00000000e+00 4.38e-12 5.00e-01 2.95e+02 0s 1 7.43430849e+06 1.50968072e+06 6.12e-07 4.70e-05 4.59e+01 0s 2 5.57678043e+06 4.43188575e+06 8.79e-08 2.85e-06 8.88e+00 1s 3 5.12594964e+06 4.90557197e+06 1.94e-08 3.43e-07 1.71e+00 1s 4 5.00791643e+06 4.95923839e+06 3.24e-09 9.33e-08 3.77e-01 1s 5 4.98182401e+06 4.97684172e+06 1.12e-10 1.55e-08 3.86e-02 1s 6 4.98110096e+06 4.98044635e+06 4.43e-11 7.38e-10 5.07e-03 1s 7 4.98065134e+06 4.98062363e+06 1.60e-12 2.45e-11 2.15e-04 2s 8 4.98064097e+06 4.98062987e+06 9.17e-13 1.82e-12 8.61e-05 2s 9 4.98063456e+06 4.98063004e+06 1.14e-12 1.25e-12 3.50e-05 2s Barrier solved model in 9 iterations and 1.92 seconds Optimal objective 4.98063456e+06