Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:57:37 2013 Optimize a model with 18400 rows, 27602 columns and 36800 nonzeros Model has 9200 quadratic constraints Presolve time: 0.02s Presolved: 18400 rows, 27602 columns, 36800 nonzeros Presolved model has 9200 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.760e+04 Factor NZ : 6.440e+04 (roughly 20 MBytes of memory) Factor Ops : 2.300e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.96635272e+06 0.00000000e+00 2.84e-13 4.91e-01 2.98e+02 0s 1 1.59131512e+06 3.18838814e+05 9.04e-08 4.87e-05 4.61e+01 0s 2 1.19460783e+06 9.45941821e+05 1.31e-08 3.02e-06 9.01e+00 0s 3 1.09970448e+06 1.04755796e+06 2.97e-09 3.91e-07 1.89e+00 0s 4 1.07115806e+06 1.06139502e+06 4.61e-10 7.49e-08 3.54e-01 0s 5 1.06516781e+06 1.06443681e+06 7.70e-12 1.10e-08 2.65e-02 0s 6 1.06507171e+06 1.06501197e+06 2.77e-12 1.06e-10 2.16e-03 0s 7 1.06505521e+06 1.06501624e+06 1.97e-12 3.07e-11 1.41e-03 0s 8 1.06502638e+06 1.06501741e+06 4.62e-13 1.10e-11 3.25e-04 0s 9 1.06501958e+06 1.06501808e+06 1.35e-13 8.73e-13 5.42e-05 0s 10 1.06501864e+06 1.06501817e+06 2.34e-13 4.95e-13 1.71e-05 0s Barrier solved model in 10 iterations and 0.42 seconds Optimal objective 1.06501864e+06