Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:47:20 2013 Optimize a model with 8000 rows, 12002 columns and 16000 nonzeros Model has 4000 quadratic constraints Presolve time: 0.01s Presolved: 8000 rows, 12002 columns, 16000 nonzeros Presolved model has 4000 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.200e+04 Factor NZ : 2.800e+04 (roughly 8 MBytes of memory) Factor Ops : 1.000e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.50189424e+06 0.00000000e+00 4.26e-14 5.00e-01 3.01e+02 0s 1 6.97021415e+05 1.39308277e+05 2.77e-08 4.96e-05 4.65e+01 0s 2 5.21494128e+05 4.11084861e+05 9.85e-08 4.00e-06 9.20e+00 0s 3 4.78313552e+05 4.57562072e+05 1.95e-08 7.56e-07 1.73e+00 0s 4 4.65285714e+05 4.63566746e+05 9.92e-10 1.69e-07 1.43e-01 0s 5 4.65004810e+05 4.64975020e+05 2.97e-10 9.38e-09 2.48e-03 0s 6 4.64992497e+05 4.64988784e+05 4.70e-11 8.44e-10 3.09e-04 0s 7 4.64990644e+05 4.64989910e+05 1.05e-11 1.18e-10 6.12e-05 0s 8 4.64990181e+05 4.64990058e+05 5.27e-12 5.97e-11 1.02e-05 0s Barrier solved model in 8 iterations and 0.15 seconds Optimal objective 4.64990181e+05