Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:50:59 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 5.56672707e+06 0.00000000e+00 9.95e-14 4.93e-01 2.99e+02 0s 1 1.11569524e+06 2.22273507e+05 6.09e-08 4.94e-05 4.65e+01 0s 2 8.31630521e+05 6.54738200e+05 1.87e-08 6.02e-06 9.21e+00 0s 3 7.64821106e+05 7.28809843e+05 2.97e-09 8.54e-07 1.88e+00 0s 4 7.43217613e+05 7.38425071e+05 2.10e-10 1.62e-07 2.50e-01 0s 5 7.42428225e+05 7.40865691e+05 1.39e-10 5.51e-13 8.14e-02 0s 6 7.40909299e+05 7.40877002e+05 2.96e-12 9.57e-13 1.68e-03 0s 7 7.40886837e+05 7.40877807e+05 8.67e-13 6.06e-13 4.70e-04 0s 8 7.40881110e+05 7.40878622e+05 2.20e-09 5.91e-11 1.30e-04 0s 9 7.40879477e+05 7.40878812e+05 5.90e-10 6.35e-13 3.47e-05 0s Barrier solved model in 9 iterations and 0.27 seconds Optimal objective 7.40879477e+05