Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:50:55 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 5.57432875e+06 0.00000000e+00 7.11e-14 5.07e-01 3.00e+02 0s 1 1.11698158e+06 2.23201066e+05 3.52e-08 4.86e-05 4.66e+01 0s 2 8.34945083e+05 6.60724637e+05 9.21e-08 6.05e-06 9.07e+00 0s 3 7.65731053e+05 7.33659460e+05 2.13e-08 7.97e-07 1.67e+00 0s 4 7.47030848e+05 7.42377954e+05 1.04e-09 2.05e-07 2.42e-01 0s 5 7.44921436e+05 7.44857115e+05 7.84e-12 1.97e-09 3.35e-03 0s 6 7.44897686e+05 7.44894181e+05 6.76e-11 1.16e-09 1.83e-04 0s 7 7.44895284e+05 7.44894568e+05 6.84e-10 9.91e-10 3.73e-05 0s Barrier solved model in 7 iterations and 0.20 seconds Optimal objective 7.44895284e+05