Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:48:22 2013 Optimize a model with 9600 rows, 14402 columns and 19200 nonzeros Model has 4800 quadratic constraints Presolve time: 0.01s Presolved: 9600 rows, 14402 columns, 19200 nonzeros Presolved model has 4800 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.440e+04 Factor NZ : 3.360e+04 (roughly 10 MBytes of memory) Factor Ops : 1.200e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.15570147e+06 0.00000000e+00 7.11e-14 4.94e-01 2.98e+02 0s 1 8.23901725e+05 1.67653830e+05 7.56e-08 4.92e-05 4.56e+01 0s 2 6.25153739e+05 4.98430181e+05 6.20e-08 3.65e-06 8.80e+00 0s 3 5.76285349e+05 5.51573563e+05 1.43e-08 6.32e-07 1.72e+00 0s 4 5.59195139e+05 5.58094413e+05 1.02e-09 6.77e-08 7.64e-02 0s 5 5.58852501e+05 5.58837771e+05 3.58e-11 1.92e-10 1.02e-03 0s 6 5.58842154e+05 5.58840259e+05 5.54e-12 9.03e-13 1.32e-04 0s 7 5.58840594e+05 5.58840310e+05 1.51e-12 3.77e-13 1.97e-05 0s Barrier solved model in 7 iterations and 0.16 seconds Optimal objective 5.58840594e+05