Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:50:44 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 5.48646250e+06 0.00000000e+00 1.42e-13 5.07e-01 3.00e+02 0s 1 1.09916338e+06 2.19714228e+05 4.81e-08 4.87e-05 4.65e+01 0s 2 8.21606784e+05 6.50413771e+05 3.01e-08 3.01e-06 9.06e+00 0s 3 7.54089491e+05 7.22252692e+05 5.81e-09 3.49e-07 1.68e+00 0s 4 7.34703549e+05 7.31101611e+05 2.89e-10 6.31e-08 1.91e-01 0s 5 7.33246342e+05 7.33174439e+05 1.10e-11 1.19e-10 3.80e-03 0s 6 7.33195966e+05 7.33184228e+05 1.93e-12 2.49e-12 6.21e-04 0s 7 7.33188808e+05 7.33184635e+05 7.89e-13 1.69e-13 2.21e-04 0s 8 7.33187128e+05 7.33184705e+05 8.95e-13 7.46e-13 1.28e-04 0s 9 7.33186669e+05 7.33184714e+05 1.44e-12 5.98e-13 1.03e-04 0s 10 7.33186110e+05 7.33184763e+05 8.48e-12 6.09e-13 7.13e-05 0s 11 7.33185879e+05 7.33184796e+05 7.14e-12 2.57e-13 5.73e-05 0s 12 7.33185714e+05 7.33184831e+05 5.98e-12 3.91e-13 4.67e-05 0s 13 7.33185504e+05 7.33184857e+05 4.41e-12 9.25e-13 3.43e-05 0s Barrier solved model in 13 iterations and 0.37 seconds Optimal objective 7.33185504e+05