Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:58:03 2013 Optimize a model with 18800 rows, 28202 columns and 37600 nonzeros Model has 9400 quadratic constraints Presolve time: 0.02s Presolved: 18800 rows, 28202 columns, 37600 nonzeros Presolved model has 9400 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.820e+04 Factor NZ : 6.580e+04 (roughly 20 MBytes of memory) Factor Ops : 2.350e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 8.16450768e+06 0.00000000e+00 1.71e-13 5.05e-01 2.99e+02 0s 1 1.63119474e+06 3.29501082e+05 4.24e-08 4.88e-05 4.62e+01 0s 2 1.22627355e+06 9.70835611e+05 1.85e-08 3.14e-06 9.06e+00 0s 3 1.12569126e+06 1.07611179e+06 3.65e-09 4.01e-07 1.76e+00 0s 4 1.09820307e+06 1.09298716e+06 4.72e-10 1.61e-08 1.85e-01 0s 5 1.09404097e+06 1.09332328e+06 4.33e-12 1.04e-08 2.54e-02 0s 6 1.09396893e+06 1.09394738e+06 7.67e-13 1.07e-10 7.64e-04 0s 7 1.09395602e+06 1.09395338e+06 1.56e-13 1.10e-11 9.37e-05 0s 8 1.09395470e+06 1.09395389e+06 1.14e-13 3.96e-12 2.85e-05 0s Barrier solved model in 8 iterations and 0.35 seconds Optimal objective 1.09395470e+06