Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:33 2013 Optimize a model with 1480 rows, 2222 columns and 2960 nonzeros Model has 740 quadratic constraints Presolve time: 0.00s Presolved: 1480 rows, 2222 columns, 2960 nonzeros Presolved model has 740 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.220e+03 Factor NZ : 5.183e+03 (roughly 2 MBytes of memory) Factor Ops : 1.850e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.29519997e+05 0.00000000e+00 2.84e-14 4.90e-01 2.93e+02 0s 1 1.26962286e+05 2.64758600e+04 1.74e-08 5.03e-05 4.53e+01 0s 2 9.65494927e+04 7.67296815e+04 2.51e-08 6.67e-06 8.93e+00 0s 3 8.81365610e+04 8.47812797e+04 4.29e-09 1.20e-06 1.51e+00 0s 4 8.63716832e+04 8.55004882e+04 3.55e-14 6.34e-07 3.92e-01 0s 5 8.63426139e+04 8.62597045e+04 8.96e-10 1.02e-07 3.73e-02 0s 6 8.63344106e+04 8.63246298e+04 4.75e-11 1.25e-08 4.41e-03 0s 7 8.63334327e+04 8.63271091e+04 5.91e-12 8.83e-09 2.85e-03 0s 8 8.63333009e+04 8.63283698e+04 3.98e-12 6.95e-09 2.22e-03 0s 9 8.63331080e+04 8.63315508e+04 1.85e-13 2.19e-09 7.01e-04 0s 10 8.63329625e+04 8.63317866e+04 5.68e-14 1.82e-09 5.30e-04 0s 11 8.63329151e+04 8.63324791e+04 7.98e-10 1.15e-09 1.96e-04 0s 12 8.63328994e+04 8.63327793e+04 4.41e-10 3.47e-10 5.41e-05 0s 13 8.63328965e+04 8.63328435e+04 3.67e-10 1.31e-10 2.39e-05 0s Barrier solved model in 13 iterations and 0.05 seconds Optimal objective 8.63328965e+04