Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:50:53 2013 Optimize a model with 12800 rows, 19202 columns and 25600 nonzeros Model has 6400 quadratic constraints Presolve time: 0.01s Presolved: 12800 rows, 19202 columns, 25600 nonzeros Presolved model has 6400 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.920e+04 Factor NZ : 4.480e+04 (roughly 13 MBytes of memory) Factor Ops : 1.600e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.58806576e+06 0.00000000e+00 9.95e-14 5.11e-01 3.01e+02 0s 1 1.12234683e+06 2.24582071e+05 3.02e-08 4.90e-05 4.68e+01 0s 2 8.38612838e+05 6.61548138e+05 9.18e-08 3.52e-06 9.22e+00 0s 3 7.71084689e+05 7.34732887e+05 2.03e-08 4.44e-07 1.89e+00 0s 4 7.49288234e+05 7.44897622e+05 1.36e-09 6.77e-08 2.29e-01 0s 5 7.47668558e+05 7.46899273e+05 3.99e-10 2.97e-09 4.01e-02 0s 6 7.47022535e+05 7.46992623e+05 1.03e-11 1.12e-10 1.56e-03 0s 7 7.47005799e+05 7.46997612e+05 6.86e-10 3.47e-10 4.26e-04 0s 8 7.47000471e+05 7.46997831e+05 2.11e-10 7.72e-11 1.38e-04 0s 9 7.46999430e+05 7.46997984e+05 1.17e-10 1.01e-11 7.53e-05 0s 10 7.46999050e+05 7.46997995e+05 8.34e-11 9.17e-12 5.49e-05 0s 11 7.46998666e+05 7.46998113e+05 4.58e-11 1.18e-12 2.88e-05 0s Barrier solved model in 11 iterations and 0.32 seconds Optimal objective 7.46998666e+05