Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:46:04 2013 Optimize a model with 5200 rows, 7802 columns and 10400 nonzeros Model has 2600 quadratic constraints Presolve time: 0.01s Presolved: 5200 rows, 7802 columns, 10400 nonzeros Presolved model has 2600 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 7.800e+03 Factor NZ : 1.820e+04 (roughly 5 MBytes of memory) Factor Ops : 6.500e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.27406281e+06 0.00000000e+00 4.26e-14 4.97e-01 3.02e+02 0s 1 4.45225257e+05 8.97221758e+04 8.40e-09 4.91e-05 4.56e+01 0s 2 3.36786667e+05 2.68700596e+05 3.85e-08 5.89e-06 8.73e+00 0s 3 3.11570711e+05 2.98098669e+05 1.29e-08 9.39e-07 1.73e+00 0s 4 3.01886484e+05 3.01356400e+05 1.13e-09 1.17e-07 6.80e-02 0s 5 3.01760197e+05 3.01720194e+05 2.02e-10 7.45e-10 5.13e-03 0s 6 3.01740564e+05 3.01736231e+05 2.99e-11 2.94e-11 5.55e-04 0s 7 3.01738136e+05 3.01736518e+05 9.98e-12 1.70e-11 2.07e-04 0s 8 3.01737132e+05 3.01736904e+05 1.52e-12 3.87e-12 2.92e-05 0s Barrier solved model in 8 iterations and 0.10 seconds Optimal objective 3.01737132e+05