Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:04 2013 Optimize a model with 960 rows, 1442 columns and 1920 nonzeros Model has 480 quadratic constraints Presolve time: 0.00s Presolved: 960 rows, 1442 columns, 1920 nonzeros Presolved model has 480 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.440e+03 Factor NZ : 3.363e+03 Factor Ops : 1.200e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.91580025e+05 0.00000000e+00 2.84e-14 4.30e-01 2.81e+02 0s 1 7.85862574e+04 1.65917425e+04 2.70e-09 4.91e-05 4.31e+01 0s 2 6.00965672e+04 4.77922292e+04 1.60e-08 6.97e-06 8.54e+00 0s 3 5.45835759e+04 5.30992981e+04 3.31e-09 1.20e-06 1.03e+00 0s 4 5.38448870e+04 5.37422339e+04 9.97e-11 1.23e-07 7.13e-02 0s 5 5.38152755e+04 5.37973408e+04 4.21e-12 2.82e-08 1.25e-02 0s 6 5.38136094e+04 5.38102327e+04 7.39e-13 5.05e-09 2.34e-03 0s 7 5.38131951e+04 5.38111445e+04 2.91e-13 3.32e-09 1.42e-03 0s 8 5.38131009e+04 5.38118411e+04 1.92e-13 2.01e-09 8.75e-04 0s 9 5.38129302e+04 5.38126462e+04 8.53e-14 4.64e-10 1.97e-04 0s 10 5.38128900e+04 5.38127075e+04 1.49e-09 2.95e-10 1.27e-04 0s 11 5.38128675e+04 5.38128041e+04 4.47e-10 1.05e-10 4.40e-05 0s 12 5.38128561e+04 5.38128146e+04 7.29e-11 8.32e-11 2.88e-05 0s Barrier solved model in 12 iterations and 0.03 seconds Optimal objective 5.38128561e+04