Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:16:50 2013 Optimize a model with 68000 rows, 102002 columns and 136000 nonzeros Model has 34000 quadratic constraints Presolve time: 0.08s Presolved: 68000 rows, 102002 columns, 136000 nonzeros Presolved model has 34000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.020e+05 Factor NZ : 2.380e+05 (roughly 70 MBytes of memory) Factor Ops : 8.500e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.92255340e+07 0.00000000e+00 2.81e-12 4.98e-01 2.96e+02 0s 1 5.89165464e+06 1.18639221e+06 7.41e-07 4.77e-05 4.61e+01 0s 2 4.40731433e+06 3.49422224e+06 5.44e-08 3.22e-06 8.95e+00 0s 3 4.04983907e+06 3.87092886e+06 1.23e-08 3.92e-07 1.75e+00 1s 4 3.95933586e+06 3.92181728e+06 2.74e-09 5.92e-08 3.68e-01 1s 5 3.93333374e+06 3.92506928e+06 1.26e-10 3.89e-08 8.10e-02 1s 6 3.93217522e+06 3.93076319e+06 3.61e-11 5.45e-09 1.38e-02 1s 7 3.93172897e+06 3.93168766e+06 1.88e-12 8.01e-11 4.05e-04 1s 8 3.93170999e+06 3.93170204e+06 6.11e-13 6.03e-12 7.79e-05 1s 9 3.93170503e+06 3.93170219e+06 1.61e-12 1.34e-12 2.78e-05 2s Barrier solved model in 9 iterations and 1.54 seconds Optimal objective 3.93170503e+06