Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:45:17 2013 Optimize a model with 2400 rows, 3602 columns and 4800 nonzeros Model has 1200 quadratic constraints Presolve time: 0.00s Presolved: 2400 rows, 3602 columns, 4800 nonzeros Presolved model has 1200 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 3.600e+03 Factor NZ : 8.403e+03 (roughly 2 MBytes of memory) Factor Ops : 3.000e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.04225665e+06 0.00000000e+00 2.84e-14 5.10e-01 2.98e+02 0s 1 2.04403643e+05 4.40001538e+04 8.70e-09 4.81e-05 4.46e+01 0s 2 1.59357239e+05 1.29844938e+05 5.90e-08 7.47e-06 8.20e+00 0s 3 1.45364469e+05 1.42368496e+05 6.09e-09 1.68e-06 8.32e-01 0s 4 1.43835769e+05 1.43562102e+05 1.27e-09 5.30e-07 7.60e-02 0s 5 1.43815547e+05 1.43768513e+05 5.78e-10 1.09e-09 1.31e-02 0s 6 1.43783527e+05 1.43782598e+05 5.88e-12 2.63e-11 2.58e-04 0s 7 1.43783186e+05 1.43783007e+05 1.81e-10 1.30e-09 4.98e-05 0s 8 1.43783075e+05 1.43783025e+05 2.11e-11 8.44e-10 1.40e-05 0s Barrier solved model in 8 iterations and 0.04 seconds Optimal objective 1.43783075e+05