Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:55:29 2013 Optimize a model with 16800 rows, 25202 columns and 33600 nonzeros Model has 8400 quadratic constraints Presolve time: 0.02s Presolved: 16800 rows, 25202 columns, 33600 nonzeros Presolved model has 8400 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.520e+04 Factor NZ : 5.880e+04 (roughly 17 MBytes of memory) Factor Ops : 2.100e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.29375614e+06 0.00000000e+00 1.99e-13 4.94e-01 2.99e+02 0s 1 1.45553864e+06 2.91260110e+05 9.27e-08 4.88e-05 4.62e+01 0s 2 1.09187809e+06 8.64940835e+05 4.77e-08 5.67e-06 9.01e+00 0s 3 1.00518598e+06 9.57956289e+05 1.01e-08 8.32e-07 1.87e+00 0s 4 9.78381120e+05 9.70910701e+05 1.29e-09 1.44e-07 2.96e-01 0s 5 9.73812052e+05 9.73497977e+05 1.14e-11 1.12e-08 1.25e-02 0s 6 9.73766460e+05 9.73744242e+05 3.58e-12 5.10e-11 8.82e-04 0s 7 9.73749781e+05 9.73745464e+05 8.53e-13 9.10e-13 1.71e-04 0s 8 9.73746184e+05 9.73745547e+05 4.31e-10 5.78e-10 2.53e-05 0s Barrier solved model in 8 iterations and 0.31 seconds Optimal objective 9.73746184e+05