Gurobi 5.0.1 (linux64) logging started Tue Jan 22 22:25:23 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 7.48205014e+07 0.00000000e+00 1.88e-11 5.00e-01 2.90e+02 1s 1 1.53075782e+07 3.17717601e+06 1.24e-06 4.51e-05 4.54e+01 1s 2 1.15077078e+07 9.18832671e+06 1.78e-07 2.66e-06 8.69e+00 1s 3 1.05891796e+07 1.01425687e+07 3.94e-08 3.19e-07 1.67e+00 2s 4 1.03276454e+07 1.02587541e+07 3.86e-09 6.97e-08 2.58e-01 2s 5 1.02962849e+07 1.02931784e+07 3.29e-10 1.56e-12 1.16e-02 3s 6 1.02935363e+07 1.02932824e+07 2.72e-11 1.49e-11 9.51e-04 3s 7 1.02933546e+07 1.02932953e+07 6.49e-12 5.86e-12 2.22e-04 3s 8 1.02933166e+07 1.02932981e+07 2.22e-12 3.35e-11 6.96e-05 4s 9 1.02933088e+07 1.02932985e+07 1.46e-12 2.98e-11 3.87e-05 4s 10 1.02933046e+07 1.02933003e+07 6.54e-13 1.44e-11 1.62e-05 4s Barrier solved model in 10 iterations and 4.40 seconds Optimal objective 1.02933046e+07