Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:00:03 2013 Optimize a model with 22000 rows, 33002 columns and 44000 nonzeros Model has 11000 quadratic constraints Presolve time: 0.02s Presolved: 22000 rows, 33002 columns, 44000 nonzeros Presolved model has 11000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 3.300e+04 Factor NZ : 7.700e+04 (roughly 20 MBytes of memory) Factor Ops : 2.750e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 9.52590678e+06 0.00000000e+00 3.41e-13 5.02e-01 2.98e+02 0s 1 1.91366462e+06 3.85171294e+05 1.83e-07 4.87e-05 4.63e+01 0s 2 1.43592552e+06 1.13710865e+06 9.18e-09 3.04e-06 9.06e+00 0s 3 1.31633790e+06 1.26040450e+06 2.59e-09 4.61e-07 1.69e+00 0s 4 1.28744600e+06 1.27384339e+06 4.74e-10 1.45e-07 4.12e-01 0s 5 1.28189022e+06 1.27721494e+06 8.96e-11 7.08e-08 1.42e-01 0s 6 1.28103670e+06 1.27966048e+06 3.44e-11 1.80e-08 4.17e-02 0s 7 1.28056404e+06 1.28018426e+06 3.92e-12 6.74e-09 1.15e-02 0s 8 1.28052545e+06 1.28043271e+06 1.58e-12 1.42e-09 2.81e-03 0s 9 1.28050034e+06 1.28049908e+06 9.37e-11 7.21e-10 3.81e-05 0s Barrier solved model in 9 iterations and 0.46 seconds Optimal objective 1.28050034e+06