Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:16:29 2013 Optimize a model with 68000 rows, 102002 columns and 136000 nonzeros Model has 34000 quadratic constraints Presolve time: 0.08s Presolved: 68000 rows, 102002 columns, 136000 nonzeros Presolved model has 34000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.020e+05 Factor NZ : 2.380e+05 (roughly 70 MBytes of memory) Factor Ops : 8.500e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.93517527e+07 0.00000000e+00 2.93e-12 5.05e-01 2.97e+02 0s 1 5.89596126e+06 1.19730607e+06 2.84e-07 4.75e-05 4.61e+01 0s 2 4.43109090e+06 3.52286495e+06 4.09e-08 2.89e-06 8.90e+00 0s 3 4.07335714e+06 3.89865543e+06 8.96e-09 3.55e-07 1.71e+00 1s 4 3.98071387e+06 3.94339350e+06 1.51e-09 9.02e-08 3.66e-01 1s 5 3.96000313e+06 3.95559286e+06 3.98e-11 1.99e-08 4.32e-02 1s 6 3.95957162e+06 3.95923549e+06 1.71e-11 5.94e-11 3.30e-03 1s 7 3.95927586e+06 3.95924719e+06 1.51e-12 1.52e-12 2.81e-04 1s 8 3.95925752e+06 3.95924734e+06 8.03e-13 2.96e-12 9.98e-05 1s 9 3.95925160e+06 3.95924775e+06 3.13e-13 4.44e-12 3.77e-05 2s Barrier solved model in 9 iterations and 1.52 seconds Optimal objective 3.95925160e+06