Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:53:57 2013 Optimize a model with 15600 rows, 23402 columns and 31200 nonzeros Model has 7800 quadratic constraints Presolve time: 0.02s Presolved: 15600 rows, 23402 columns, 31200 nonzeros Presolved model has 7800 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.340e+04 Factor NZ : 5.460e+04 (roughly 16 MBytes of memory) Factor Ops : 1.950e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.77783413e+06 0.00000000e+00 1.14e-13 4.94e-01 2.99e+02 0s 1 1.36112960e+06 2.71905079e+05 6.23e-08 4.96e-05 4.65e+01 0s 2 1.01582875e+06 8.00093266e+05 4.10e-08 3.93e-06 9.22e+00 0s 3 9.31453552e+05 8.90148840e+05 4.49e-09 5.69e-07 1.77e+00 0s 4 9.07444352e+05 9.00298895e+05 3.51e-10 1.69e-07 3.05e-01 0s 5 9.04912581e+05 9.04094748e+05 5.88e-12 2.70e-08 3.50e-02 0s 6 9.04860325e+05 9.04843367e+05 1.32e-12 7.02e-11 7.25e-04 0s 7 9.04846961e+05 9.04845289e+05 3.27e-13 3.23e-12 7.15e-05 0s 8 9.04845763e+05 9.04845388e+05 3.20e-13 6.44e-13 1.60e-05 0s Barrier solved model in 8 iterations and 0.29 seconds Optimal objective 9.04845763e+05