Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:52:14 2013 Optimize a model with 14000 rows, 21002 columns and 28000 nonzeros Model has 7000 quadratic constraints Presolve time: 0.02s Presolved: 14000 rows, 21002 columns, 28000 nonzeros Presolved model has 7000 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.100e+04 Factor NZ : 4.900e+04 (roughly 15 MBytes of memory) Factor Ops : 1.750e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.03769139e+06 0.00000000e+00 7.11e-14 4.90e-01 2.97e+02 0s 1 1.19923430e+06 2.43080189e+05 2.29e-08 4.92e-05 4.55e+01 0s 2 9.06935545e+05 7.21877620e+05 6.93e-08 3.33e-06 8.81e+00 0s 3 8.32764228e+05 7.98502093e+05 1.44e-08 3.97e-07 1.63e+00 0s 4 8.13947876e+05 8.06568750e+05 1.91e-09 1.25e-07 3.51e-01 0s 5 8.11507538e+05 8.09788217e+05 5.31e-10 2.33e-08 8.19e-02 0s 6 8.11065069e+05 8.10525126e+05 2.84e-10 6.15e-10 2.57e-02 0s 7 8.10581097e+05 8.10545693e+05 1.78e-11 2.01e-11 1.69e-03 0s 8 8.10562798e+05 8.10546991e+05 8.07e-12 1.75e-12 7.53e-04 0s 9 8.10554853e+05 8.10547311e+05 3.96e-12 5.19e-13 3.59e-04 0s 10 8.10553787e+05 8.10547373e+05 3.60e-12 3.46e-13 3.05e-04 0s 11 8.10550708e+05 8.10547534e+05 1.72e-12 8.16e-13 1.51e-04 0s 12 8.10550480e+05 8.10547537e+05 1.71e-12 8.02e-13 1.40e-04 0s 13 8.10550015e+05 8.10547559e+05 1.42e-12 7.22e-13 1.17e-04 0s 14 8.10549537e+05 8.10547562e+05 1.14e-12 7.11e-13 9.40e-05 0s 15 8.10549293e+05 8.10547663e+05 9.95e-13 4.92e-13 7.76e-05 0s 16 8.10549087e+05 8.10547794e+05 8.24e-13 8.01e-13 6.16e-05 1s 17 8.10548821e+05 8.10547887e+05 7.67e-13 7.11e-13 4.45e-05 1s 18 8.10548569e+05 8.10547947e+05 9.95e-13 7.92e-13 2.96e-05 1s Barrier solved model in 18 iterations and 0.56 seconds Optimal objective 8.10548569e+05