Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:59:49 2013 Optimize a model with 120000 rows, 180002 columns and 240000 nonzeros Model has 60000 quadratic constraints Presolve time: 0.14s Presolved: 120000 rows, 180002 columns, 240000 nonzeros Presolved model has 60000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.800e+05 Factor NZ : 4.200e+05 (roughly 120 MBytes of memory) Factor Ops : 1.500e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.11189856e+07 0.00000000e+00 7.94e-12 5.02e-01 2.93e+02 0s 1 1.04031124e+07 2.12526437e+06 3.14e-07 4.65e-05 4.60e+01 0s 2 7.79349323e+06 6.18744294e+06 4.56e-08 2.85e-06 8.92e+00 1s 3 7.17924386e+06 6.84973686e+06 1.03e-08 3.48e-07 1.83e+00 1s 4 6.99151126e+06 6.93112979e+06 1.50e-09 7.95e-08 3.35e-01 1s 5 6.95770815e+06 6.95053419e+06 4.30e-11 1.74e-08 3.99e-02 2s 6 6.95643475e+06 6.95633463e+06 2.43e-12 7.72e-11 5.56e-04 2s 7 6.95638250e+06 6.95635946e+06 8.81e-13 1.89e-12 1.28e-04 2s 8 6.95636467e+06 6.95635965e+06 1.66e-12 4.63e-12 2.79e-05 2s Barrier solved model in 8 iterations and 2.39 seconds Optimal objective 6.95636467e+06