Gurobi 5.0.1 (linux64) logging started Tue Jan 22 22:24:19 2013 Optimize a model with 178000 rows, 267002 columns and 356000 nonzeros Model has 89000 quadratic constraints Presolve time: 0.21s Presolved: 178000 rows, 267002 columns, 356000 nonzeros Presolved model has 89000 second-order cone constraints Ordering time: 0.03s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.670e+05 Factor NZ : 6.230e+05 (roughly 200 MBytes of memory) Factor Ops : 2.225e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.48875006e+07 0.00000000e+00 1.74e-11 5.02e-01 2.90e+02 1s 1 1.53476109e+07 3.19267040e+06 4.87e-07 4.52e-05 4.55e+01 1s 2 1.15496493e+07 9.21627547e+06 7.03e-08 2.70e-06 8.74e+00 1s 3 1.06501793e+07 1.01742160e+07 1.58e-08 3.26e-07 1.78e+00 2s 4 1.03737687e+07 1.02910881e+07 2.10e-09 7.35e-08 3.10e-01 2s 5 1.03279011e+07 1.03146127e+07 2.78e-11 2.40e-08 4.98e-02 3s 6 1.03269362e+07 1.03265898e+07 5.78e-12 1.87e-10 1.30e-03 3s 7 1.03266958e+07 1.03266821e+07 2.77e-13 3.45e-12 5.15e-05 3s 8 1.03266880e+07 1.03266836e+07 6.89e-13 2.29e-12 1.63e-05 4s Barrier solved model in 8 iterations and 3.61 seconds Optimal objective 1.03266880e+07