Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:49:49 2013 Optimize a model with 11600 rows, 17402 columns and 23200 nonzeros Model has 5800 quadratic constraints Presolve time: 0.01s Presolved: 11600 rows, 17402 columns, 23200 nonzeros Presolved model has 5800 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.740e+04 Factor NZ : 4.060e+04 (roughly 12 MBytes of memory) Factor Ops : 1.450e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.04200103e+06 0.00000000e+00 8.53e-14 4.94e-01 2.99e+02 0s 1 1.00701109e+06 2.01160697e+05 8.87e-08 4.91e-05 4.63e+01 0s 2 7.52212565e+05 5.93569081e+05 6.65e-08 3.85e-06 9.12e+00 0s 3 6.88556746e+05 6.60260878e+05 1.72e-08 6.32e-07 1.63e+00 0s 4 6.74937200e+05 6.68169445e+05 4.15e-09 1.37e-07 3.89e-01 0s 5 6.70764752e+05 6.69016489e+05 2.24e-10 8.48e-08 1.00e-01 0s 6 6.70530343e+05 6.69896503e+05 5.02e-11 3.28e-08 3.64e-02 0s 7 6.70482633e+05 6.70437290e+05 1.75e-11 1.14e-09 2.61e-03 0s 8 6.70458990e+05 6.70443531e+05 1.51e-12 7.75e-10 8.88e-04 0s 9 6.70456915e+05 6.70456285e+05 2.47e-10 7.97e-10 3.62e-05 0s Barrier solved model in 9 iterations and 0.24 seconds Optimal objective 6.70456915e+05