Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:56 2013 Optimize a model with 1780 rows, 2672 columns and 3560 nonzeros Model has 890 quadratic constraints Presolve time: 0.00s Presolved: 1780 rows, 2672 columns, 3560 nonzeros Presolved model has 890 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.670e+03 Factor NZ : 6.233e+03 (roughly 2 MBytes of memory) Factor Ops : 2.226e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.77828824e+05 0.00000000e+00 2.84e-14 5.15e-01 3.00e+02 0s 1 1.52221927e+05 3.27376301e+04 1.60e-08 4.79e-05 4.48e+01 0s 2 1.18388287e+05 9.65762484e+04 1.05e-08 7.38e-06 8.17e+00 0s 3 1.08025731e+05 1.06213668e+05 8.62e-09 1.60e-06 6.79e-01 0s 4 1.06966555e+05 1.06893530e+05 5.01e-09 2.23e-07 2.74e-02 0s 5 1.06957748e+05 1.06937461e+05 3.54e-09 3.51e-08 7.60e-03 0s 6 1.06938694e+05 1.06938026e+05 7.68e-11 9.73e-09 2.50e-04 0s 7 1.06938338e+05 1.06938227e+05 4.90e-10 1.99e-09 4.12e-05 0s 8 1.06938308e+05 1.06938257e+05 2.48e-10 8.37e-10 1.93e-05 0s Barrier solved model in 8 iterations and 0.03 seconds Optimal objective 1.06938308e+05