Gurobi 5.0.1 (linux64) logging started Tue Jan 22 22:43:25 2013 Optimize a model with 188000 rows, 282002 columns and 376000 nonzeros Model has 94000 quadratic constraints Presolve time: 0.22s Presolved: 188000 rows, 282002 columns, 376000 nonzeros Presolved model has 94000 second-order cone constraints Ordering time: 0.03s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.820e+05 Factor NZ : 6.580e+05 (roughly 200 MBytes of memory) Factor Ops : 2.350e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.89085155e+07 0.00000000e+00 2.27e-11 5.01e-01 2.89e+02 1s 1 1.61616869e+07 3.37981971e+06 1.20e-06 4.49e-05 4.53e+01 1s 2 1.21940780e+07 9.75941585e+06 1.73e-07 2.62e-06 8.63e+00 1s 3 1.12260239e+07 1.07543050e+07 3.83e-08 3.19e-07 1.67e+00 2s 4 1.09549038e+07 1.08752026e+07 4.35e-09 7.37e-08 2.83e-01 2s 5 1.09180709e+07 1.09128859e+07 4.38e-10 1.27e-09 1.84e-02 3s 6 1.09139382e+07 1.09137187e+07 1.78e-11 6.30e-11 7.78e-04 3s 7 1.09138086e+07 1.09137675e+07 4.12e-12 8.30e-13 1.46e-04 3s 8 1.09137794e+07 1.09137688e+07 1.58e-12 1.19e-12 3.76e-05 4s Barrier solved model in 8 iterations and 3.82 seconds Optimal objective 1.09137794e+07