Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:47:30 2013 Optimize a model with 8200 rows, 12302 columns and 16400 nonzeros Model has 4100 quadratic constraints Presolve time: 0.01s Presolved: 8200 rows, 12302 columns, 16400 nonzeros Presolved model has 4100 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.230e+04 Factor NZ : 2.870e+04 (roughly 8 MBytes of memory) Factor Ops : 1.025e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.54789242e+06 0.00000000e+00 4.26e-14 4.86e-01 2.98e+02 0s 1 7.05587181e+05 1.40361627e+05 5.76e-08 4.89e-05 4.60e+01 0s 2 5.28178131e+05 4.17554014e+05 3.28e-08 6.12e-06 8.99e+00 0s 3 4.84704915e+05 4.65478276e+05 2.68e-09 8.08e-07 1.56e+00 0s 4 4.71173716e+05 4.70780353e+05 7.68e-10 1.62e-08 3.20e-02 0s 5 4.71039311e+05 4.70956733e+05 2.89e-10 6.84e-11 6.71e-03 0s 6 4.70966363e+05 4.70957761e+05 2.13e-10 5.03e-10 6.99e-04 0s 7 4.70960853e+05 4.70958195e+05 5.63e-10 3.18e-10 2.16e-04 0s 8 4.70959259e+05 4.70958319e+05 2.01e-10 5.95e-12 7.64e-05 0s 9 4.70958889e+05 4.70958334e+05 1.19e-10 1.71e-12 4.51e-05 0s 10 4.70958710e+05 4.70958347e+05 7.97e-11 2.48e-13 2.95e-05 0s Barrier solved model in 10 iterations and 0.19 seconds Optimal objective 4.70958710e+05