Gurobi 5.0.1 (linux64) logging started Tue Jan 22 22:22:09 2013 Optimize a model with 178000 rows, 267002 columns and 356000 nonzeros Model has 89000 quadratic constraints Presolve time: 0.22s Presolved: 178000 rows, 267002 columns, 356000 nonzeros Presolved model has 89000 second-order cone constraints Ordering time: 0.03s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.670e+05 Factor NZ : 6.230e+05 (roughly 200 MBytes of memory) Factor Ops : 2.225e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.47146543e+07 0.00000000e+00 1.97e-11 4.99e-01 2.89e+02 1s 1 1.52919541e+07 3.18901799e+06 4.97e-07 4.51e-05 4.53e+01 1s 2 1.15275676e+07 9.21652834e+06 7.15e-08 2.66e-06 8.66e+00 1s 3 1.06080500e+07 1.01658361e+07 1.56e-08 3.18e-07 1.66e+00 2s 4 1.03732315e+07 1.02784297e+07 2.83e-09 7.48e-08 3.55e-01 2s 5 1.03200387e+07 1.03098846e+07 2.11e-10 9.84e-09 3.80e-02 3s 6 1.03170851e+07 1.03152143e+07 8.15e-11 1.10e-11 7.01e-03 3s 7 1.03155373e+07 1.03152216e+07 1.38e-11 4.35e-13 1.18e-03 3s 8 1.03153752e+07 1.03152260e+07 6.65e-12 3.82e-12 5.59e-04 4s 9 1.03152595e+07 1.03152277e+07 1.42e-12 4.93e-12 1.19e-04 4s 10 1.03152358e+07 1.03152299e+07 3.13e-13 2.35e-12 2.18e-05 4s Barrier solved model in 10 iterations and 4.47 seconds Optimal objective 1.03152358e+07