Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:28:31 2013 Optimize a model with 86000 rows, 129002 columns and 172000 nonzeros Model has 43000 quadratic constraints Presolve time: 0.09s Presolved: 86000 rows, 129002 columns, 172000 nonzeros Presolved model has 43000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.290e+05 Factor NZ : 3.010e+05 (roughly 90 MBytes of memory) Factor Ops : 1.075e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.69406349e+07 0.00000000e+00 2.63e-12 5.03e-01 2.96e+02 0s 1 7.45506342e+06 1.51477935e+06 3.78e-07 4.73e-05 4.60e+01 0s 2 5.59231650e+06 4.43524938e+06 5.51e-08 2.95e-06 8.97e+00 1s 3 5.14952736e+06 4.91319960e+06 1.23e-08 3.62e-07 1.83e+00 1s 4 5.01818291e+06 4.97293608e+06 1.85e-09 7.96e-08 3.51e-01 1s 5 4.99142892e+06 4.98692615e+06 2.48e-11 1.62e-08 3.49e-02 1s 6 4.99100701e+06 4.99078347e+06 8.20e-12 7.10e-11 1.73e-03 1s 7 4.99087589e+06 4.99079655e+06 3.20e-12 1.24e-11 6.15e-04 2s 8 4.99080974e+06 4.99079900e+06 5.04e-13 3.08e-12 8.32e-05 2s 9 4.99080292e+06 4.99079926e+06 4.55e-13 7.57e-12 2.84e-05 2s Barrier solved model in 9 iterations and 1.92 seconds Optimal objective 4.99080292e+06