Gurobi 5.0.1 (linux64) logging started Tue Jan 22 22:23:14 2013 Optimize a model with 178000 rows, 267002 columns and 356000 nonzeros Model has 89000 quadratic constraints Presolve time: 0.21s 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 7.46182614e+07 0.00000000e+00 1.10e-11 4.97e-01 2.89e+02 1s 1 1.52957700e+07 3.17537656e+06 6.06e-07 4.53e-05 4.54e+01 1s 2 1.15050049e+07 9.17392587e+06 8.78e-08 2.72e-06 8.73e+00 1s 3 1.05990120e+07 1.01310244e+07 1.92e-08 3.25e-07 1.75e+00 2s 4 1.03369182e+07 1.02486435e+07 3.21e-09 6.73e-08 3.31e-01 2s 5 1.02833805e+07 1.02644759e+07 1.82e-11 3.48e-08 7.08e-02 3s 6 1.02825913e+07 1.02822266e+07 4.83e-12 1.58e-10 1.37e-03 3s 7 1.02823305e+07 1.02822987e+07 4.90e-13 2.37e-11 1.19e-04 3s 8 1.02823144e+07 1.02823080e+07 2.42e-13 1.87e-11 2.38e-05 4s Barrier solved model in 8 iterations and 3.60 seconds Optimal objective 1.02823144e+07