Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:06:05 2013 Optimize a model with 46000 rows, 69002 columns and 92000 nonzeros Model has 23000 quadratic constraints Presolve time: 0.05s Presolved: 46000 rows, 69002 columns, 92000 nonzeros Presolved model has 23000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 6.900e+04 Factor NZ : 1.610e+05 (roughly 50 MBytes of memory) Factor Ops : 5.750e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.97727471e+07 0.00000000e+00 1.55e-12 4.99e-01 2.96e+02 0s 1 3.98556206e+06 8.04245783e+05 3.67e-07 4.80e-05 4.61e+01 0s 2 2.98434881e+06 2.36301705e+06 5.33e-08 2.99e-06 9.00e+00 0s 3 2.73955780e+06 2.61997653e+06 1.16e-08 3.68e-07 1.73e+00 0s 4 2.67756989e+06 2.64902905e+06 2.26e-09 1.08e-07 4.14e-01 1s 5 2.66276827e+06 2.65188072e+06 8.34e-11 8.35e-08 1.58e-01 1s 6 2.66198054e+06 2.66178090e+06 9.61e-12 7.92e-10 2.89e-03 1s 7 2.66189114e+06 2.66186694e+06 1.17e-12 8.98e-11 3.51e-04 1s 8 2.66188289e+06 2.66187743e+06 5.19e-13 1.76e-12 7.92e-05 1s 9 2.66187948e+06 2.66187759e+06 3.41e-13 1.97e-12 2.75e-05 1s Barrier solved model in 9 iterations and 0.99 seconds Optimal objective 2.66187948e+06