Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:59:46 2013 Optimize a model with 20000 rows, 30002 columns and 40000 nonzeros Model has 10000 quadratic constraints Presolve time: 0.02s Presolved: 20000 rows, 30002 columns, 40000 nonzeros Presolved model has 10000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 3.000e+04 Factor NZ : 7.000e+04 (roughly 20 MBytes of memory) Factor Ops : 2.500e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 8.67843170e+06 0.00000000e+00 3.41e-13 4.95e-01 2.99e+02 0s 1 1.74086308e+06 3.43431182e+05 6.27e-08 4.94e-05 4.66e+01 0s 2 1.29312344e+06 1.01843001e+06 5.25e-08 3.42e-06 9.16e+00 0s 3 1.19025014e+06 1.13337361e+06 1.00e-08 4.20e-07 1.90e+00 0s 4 1.15265308e+06 1.15129205e+06 5.68e-14 5.58e-09 4.54e-02 0s 5 1.15188101e+06 1.15181337e+06 2.84e-14 3.31e-11 2.25e-03 0s 6 1.15182996e+06 1.15181877e+06 3.57e-10 9.52e-10 3.73e-04 0s 7 1.15182054e+06 1.15181906e+06 4.45e-11 6.62e-12 4.92e-05 0s 8 1.15181971e+06 1.15181919e+06 1.65e-11 9.93e-13 1.73e-05 0s Barrier solved model in 8 iterations and 0.38 seconds Optimal objective 1.15181971e+06