Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:54:59 2013 Optimize a model with 16400 rows, 24602 columns and 32800 nonzeros Model has 8200 quadratic constraints Presolve time: 0.02s Presolved: 16400 rows, 24602 columns, 32800 nonzeros Presolved model has 8200 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.460e+04 Factor NZ : 5.740e+04 (roughly 17 MBytes of memory) Factor Ops : 2.050e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.12015102e+06 0.00000000e+00 1.99e-13 4.93e-01 2.99e+02 0s 1 1.42085836e+06 2.84786849e+05 1.01e-07 4.88e-05 4.62e+01 0s 2 1.06639127e+06 8.45268486e+05 5.21e-08 3.32e-06 8.99e+00 0s 3 9.82158803e+05 9.35938603e+05 9.78e-09 5.06e-07 1.88e+00 0s 4 9.55094762e+05 9.49198931e+05 1.02e-09 6.56e-08 2.40e-01 0s 5 9.51354741e+05 9.51227033e+05 1.62e-11 1.12e-09 5.19e-03 0s 6 9.51295068e+05 9.51279605e+05 3.30e-12 2.19e-12 6.29e-04 0s 7 9.51281557e+05 9.51279919e+05 5.76e-13 1.76e-13 6.66e-05 0s 8 9.51280463e+05 9.51280039e+05 2.20e-13 1.78e-12 1.72e-05 0s Barrier solved model in 8 iterations and 0.31 seconds Optimal objective 9.51280463e+05