Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:47:21 2013 Optimize a model with 8000 rows, 12002 columns and 16000 nonzeros Model has 4000 quadratic constraints Presolve time: 0.01s Presolved: 8000 rows, 12002 columns, 16000 nonzeros Presolved model has 4000 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.200e+04 Factor NZ : 2.800e+04 (roughly 8 MBytes of memory) Factor Ops : 1.000e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.49875423e+06 0.00000000e+00 5.68e-14 5.04e-01 3.01e+02 0s 1 6.94767265e+05 1.38295871e+05 1.15e-07 4.93e-05 4.64e+01 0s 2 5.20612408e+05 4.10590038e+05 1.07e-07 6.36e-06 9.17e+00 0s 3 4.77237297e+05 4.58018038e+05 2.56e-08 1.19e-06 1.60e+00 0s 4 4.64237535e+05 4.63366970e+05 5.09e-09 1.09e-07 7.25e-02 0s 5 4.64011825e+05 4.63973337e+05 5.69e-10 6.02e-09 3.21e-03 0s 6 4.63980403e+05 4.63975819e+05 2.64e-10 3.42e-09 3.82e-04 0s 7 4.63976574e+05 4.63975952e+05 5.01e-10 1.31e-10 5.18e-05 0s 8 4.63976088e+05 4.63975973e+05 9.16e-11 5.83e-13 9.54e-06 0s Barrier solved model in 8 iterations and 0.13 seconds Optimal objective 4.63976088e+05