Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:50:41 2013 Optimize a model with 12600 rows, 18902 columns and 25200 nonzeros Model has 6300 quadratic constraints Presolve time: 0.01s Presolved: 12600 rows, 18902 columns, 25200 nonzeros Presolved model has 6300 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.890e+04 Factor NZ : 4.410e+04 (roughly 13 MBytes of memory) Factor Ops : 1.575e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.49688431e+06 0.00000000e+00 9.95e-14 5.10e-01 3.01e+02 0s 1 1.10437177e+06 2.20962521e+05 6.21e-08 4.90e-05 4.67e+01 0s 2 8.24974952e+05 6.50772752e+05 2.97e-08 3.86e-06 9.22e+00 0s 3 7.55265970e+05 7.20319058e+05 6.58e-09 5.23e-07 1.85e+00 0s 4 7.39942979e+05 7.31147913e+05 1.65e-09 1.27e-07 4.65e-01 0s 5 7.35371293e+05 7.32709759e+05 1.44e-10 7.28e-08 1.41e-01 0s 6 7.35130460e+05 7.33852339e+05 7.54e-11 3.35e-08 6.76e-02 0s 7 7.35014488e+05 7.34797954e+05 4.52e-11 1.37e-09 1.15e-02 0s 8 7.34852882e+05 7.34836677e+05 3.64e-12 7.21e-11 8.57e-04 0s 9 7.34844211e+05 7.34838894e+05 1.43e-12 3.15e-12 2.81e-04 0s 10 7.34841805e+05 7.34839037e+05 1.19e-12 4.11e-13 1.46e-04 0s 11 7.34840448e+05 7.34839072e+05 9.38e-13 1.87e-13 7.28e-05 0s 12 7.34840198e+05 7.34839094e+05 1.62e-12 1.61e-13 5.84e-05 0s 13 7.34839776e+05 7.34839112e+05 1.19e-12 4.05e-13 3.52e-05 0s Barrier solved model in 13 iterations and 0.37 seconds Optimal objective 7.34839776e+05