Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:45:35 2013 Optimize a model with 3800 rows, 5702 columns and 7600 nonzeros Model has 1900 quadratic constraints Presolve time: 0.00s Presolved: 3800 rows, 5702 columns, 7600 nonzeros Presolved model has 1900 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 5.700e+03 Factor NZ : 1.330e+04 (roughly 4 MBytes of memory) Factor Ops : 4.750e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.60954140e+06 0.00000000e+00 2.84e-14 4.85e-01 2.92e+02 0s 1 3.20729179e+05 6.53244536e+04 1.08e-08 5.02e-05 4.48e+01 0s 2 2.41377663e+05 1.91866155e+05 2.02e-08 6.27e-06 8.69e+00 0s 3 2.21284358e+05 2.13356114e+05 3.60e-09 1.48e-06 1.39e+00 0s 4 2.16293556e+05 2.15970132e+05 9.83e-10 3.38e-08 5.67e-02 0s 5 2.16234173e+05 2.16177204e+05 4.74e-10 1.26e-10 9.99e-03 0s 6 2.16182805e+05 2.16178253e+05 3.27e-11 1.49e-11 7.98e-04 0s 7 2.16179936e+05 2.16178583e+05 4.37e-10 1.05e-09 2.37e-04 0s 8 2.16179129e+05 2.16178624e+05 1.61e-10 1.93e-13 8.85e-05 0s 9 2.16178924e+05 2.16178647e+05 8.95e-11 8.86e-13 4.85e-05 0s 10 2.16178847e+05 2.16178650e+05 6.29e-11 7.19e-13 3.46e-05 0s Barrier solved model in 10 iterations and 0.08 seconds Optimal objective 2.16178847e+05