Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:45:15 2013 Optimize a model with 2200 rows, 3302 columns and 4400 nonzeros Model has 1100 quadratic constraints Presolve time: 0.00s Presolved: 2200 rows, 3302 columns, 4400 nonzeros Presolved model has 1100 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 3.300e+03 Factor NZ : 7.703e+03 (roughly 2 MBytes of memory) Factor Ops : 2.750e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 9.35751776e+05 0.00000000e+00 2.84e-14 4.96e-01 2.93e+02 0s 1 1.85872962e+05 3.83058094e+04 1.27e-08 4.94e-05 4.47e+01 0s 2 1.40895813e+05 1.12448282e+05 3.05e-08 6.18e-06 8.62e+00 0s 3 1.28293265e+05 1.25493060e+05 9.83e-09 6.38e-07 8.49e-01 0s 4 1.26300907e+05 1.26249854e+05 7.82e-10 7.25e-08 1.55e-02 0s 5 1.26281499e+05 1.26279287e+05 7.64e-11 8.47e-09 6.71e-04 0s 6 1.26279869e+05 1.26279410e+05 2.08e-09 8.70e-10 1.39e-04 0s 7 1.26279537e+05 1.26279437e+05 4.44e-10 4.31e-11 3.05e-05 0s Barrier solved model in 7 iterations and 0.04 seconds Optimal objective 1.26279537e+05