Gurobi 5.0.1 (linux64) logging started Tue Jan 22 22:41:55 2013 Optimize a model with 188000 rows, 282002 columns and 376000 nonzeros Model has 94000 quadratic constraints Presolve time: 0.22s Presolved: 188000 rows, 282002 columns, 376000 nonzeros Presolved model has 94000 second-order cone constraints Ordering time: 0.03s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.820e+05 Factor NZ : 6.580e+05 (roughly 200 MBytes of memory) Factor Ops : 2.350e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.86680275e+07 0.00000000e+00 2.14e-11 4.97e-01 2.88e+02 1s 1 1.61489151e+07 3.36359656e+06 8.63e-07 4.51e-05 4.53e+01 1s 2 1.21565167e+07 9.70081541e+06 1.25e-07 2.70e-06 8.71e+00 1s 3 1.12012112e+07 1.07083073e+07 2.73e-08 3.23e-07 1.75e+00 2s 4 1.09284958e+07 1.08333948e+07 4.87e-09 6.38e-08 3.37e-01 2s 5 1.08685607e+07 1.08526395e+07 3.04e-11 2.67e-08 5.65e-02 3s 6 1.08676674e+07 1.08673085e+07 7.70e-12 1.08e-10 1.27e-03 3s 7 1.08673926e+07 1.08673570e+07 8.46e-13 2.09e-11 1.26e-04 3s 8 1.08673740e+07 1.08673663e+07 3.69e-13 6.23e-12 2.70e-05 4s Barrier solved model in 8 iterations and 3.81 seconds Optimal objective 1.08673740e+07