Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:32 2013 Optimize a model with 1460 rows, 2192 columns and 2920 nonzeros Model has 730 quadratic constraints Presolve time: 0.00s Presolved: 1460 rows, 2192 columns, 2920 nonzeros Presolved model has 730 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.190e+03 Factor NZ : 5.113e+03 (roughly 2 MBytes of memory) Factor Ops : 1.826e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.34213824e+05 0.00000000e+00 2.84e-14 4.93e-01 2.99e+02 0s 1 1.23281858e+05 2.50635733e+04 2.86e-08 4.87e-05 4.48e+01 0s 2 9.79196236e+04 7.49827995e+04 2.86e-08 7.83e-06 1.05e+01 0s 3 8.59377547e+04 8.38550089e+04 9.21e-09 1.63e-06 9.51e-01 0s 4 8.41461863e+04 8.40527457e+04 2.51e-10 2.28e-07 4.27e-02 0s 5 8.41018570e+04 8.40905540e+04 6.82e-12 4.72e-08 5.16e-03 0s 6 8.41009404e+04 8.40961448e+04 9.43e-10 1.58e-08 2.19e-03 0s 7 8.41003916e+04 8.40997734e+04 1.48e-09 7.03e-09 2.82e-04 0s 8 8.41003504e+04 8.41002548e+04 3.29e-09 3.91e-09 4.36e-05 0s 9 8.41003324e+04 8.41002746e+04 1.30e-09 2.91e-09 2.64e-05 0s Barrier solved model in 9 iterations and 0.03 seconds Optimal objective 8.41003324e+04