Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:23 2013 Optimize a model with 1320 rows, 1982 columns and 2640 nonzeros Model has 660 quadratic constraints Presolve time: 0.00s Presolved: 1320 rows, 1982 columns, 2640 nonzeros Presolved model has 660 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.980e+03 Factor NZ : 4.623e+03 (roughly 1 MByte of memory) Factor Ops : 1.650e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.69284705e+05 0.00000000e+00 4.26e-14 4.85e-01 2.96e+02 0s 1 1.10921697e+05 2.24758993e+04 1.70e-08 4.90e-05 4.47e+01 0s 2 8.77977454e+04 6.69820108e+04 6.81e-08 8.16e-06 1.05e+01 0s 3 7.67242730e+04 7.51687662e+04 1.35e-08 1.45e-06 7.86e-01 0s 4 7.53473622e+04 7.52553805e+04 6.33e-10 5.26e-07 4.65e-02 0s 5 7.53196195e+04 7.52971911e+04 3.84e-10 1.42e-07 1.13e-02 0s 6 7.53155945e+04 7.53092555e+04 1.07e-10 3.85e-08 3.20e-03 0s 7 7.53142949e+04 7.53109026e+04 2.87e-11 2.42e-08 1.71e-03 0s 8 7.53138171e+04 7.53136707e+04 8.82e-11 9.34e-10 7.39e-05 0s 9 7.53137609e+04 7.53137263e+04 1.80e-11 2.25e-10 1.75e-05 0s Barrier solved model in 9 iterations and 0.03 seconds Optimal objective 7.53137609e+04