Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:47:23 2013 Optimize a model with 8000 rows, 12002 columns and 16000 nonzeros Model has 4000 quadratic constraints Presolve time: 0.01s Presolved: 8000 rows, 12002 columns, 16000 nonzeros Presolved model has 4000 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.200e+04 Factor NZ : 2.800e+04 (roughly 8 MBytes of memory) Factor Ops : 1.000e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.46411828e+06 0.00000000e+00 5.68e-14 4.87e-01 2.99e+02 0s 1 6.88400798e+05 1.36989933e+05 1.85e-08 4.88e-05 4.60e+01 0s 2 5.15478836e+05 4.07781878e+05 5.09e-08 3.72e-06 8.97e+00 0s 3 4.72963953e+05 4.54200445e+05 6.14e-09 5.02e-07 1.56e+00 0s 4 4.60301542e+05 4.59584651e+05 2.06e-10 1.03e-08 5.97e-02 0s 5 4.59947567e+05 4.59763347e+05 6.96e-11 3.76e-13 1.54e-02 0s 6 4.59785580e+05 4.59764481e+05 8.00e-12 1.95e-14 1.76e-03 0s 7 4.59775949e+05 4.59765088e+05 4.21e-12 3.01e-13 9.05e-04 0s 8 4.59772733e+05 4.59765299e+05 2.96e-12 3.39e-13 6.20e-04 0s 9 4.59766328e+05 4.59765407e+05 4.26e-13 4.98e-13 7.67e-05 0s 10 4.59765954e+05 4.59765497e+05 3.41e-13 2.15e-12 3.81e-05 0s Barrier solved model in 10 iterations and 0.19 seconds Optimal objective 4.59765954e+05