Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:49:18 2013 Optimize a model with 11000 rows, 16502 columns and 22000 nonzeros Model has 5500 quadratic constraints Presolve time: 0.01s Presolved: 11000 rows, 16502 columns, 22000 nonzeros Presolved model has 5500 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.650e+04 Factor NZ : 3.850e+04 (roughly 10 MBytes of memory) Factor Ops : 1.375e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.77633091e+06 0.00000000e+00 9.95e-14 5.02e-01 2.99e+02 0s 1 9.50541421e+05 1.91867787e+05 7.27e-08 4.90e-05 4.60e+01 0s 2 7.15332049e+05 5.66444179e+05 5.58e-08 3.87e-06 9.02e+00 0s 3 6.57956696e+05 6.27828843e+05 1.20e-08 4.91e-07 1.83e+00 0s 4 6.40496217e+05 6.36264715e+05 1.03e-09 8.35e-08 2.56e-01 0s 5 6.38228966e+05 6.38146199e+05 1.67e-11 1.74e-09 5.02e-03 0s 6 6.38194428e+05 6.38189660e+05 1.68e-12 2.19e-11 2.89e-04 0s 7 6.38191468e+05 6.38190344e+05 5.47e-13 5.22e-13 6.81e-05 0s 8 6.38190943e+05 6.38190379e+05 1.71e-12 8.60e-13 3.41e-05 0s Barrier solved model in 8 iterations and 0.21 seconds Optimal objective 6.38190943e+05