Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:33 2013 Optimize a model with 1480 rows, 2222 columns and 2960 nonzeros Model has 740 quadratic constraints Presolve time: 0.00s Presolved: 1480 rows, 2222 columns, 2960 nonzeros Presolved model has 740 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.220e+03 Factor NZ : 5.183e+03 (roughly 2 MBytes of memory) Factor Ops : 1.850e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.44555525e+05 0.00000000e+00 2.84e-14 5.10e-01 3.00e+02 0s 1 1.28446441e+05 2.52432442e+04 1.47e-08 4.98e-05 4.65e+01 0s 2 9.51033611e+04 7.40924926e+04 6.53e-09 7.08e-06 9.46e+00 0s 3 8.64918954e+04 8.35493475e+04 6.91e-09 1.73e-06 1.33e+00 0s 4 8.44840171e+04 8.42740388e+04 5.40e-09 1.34e-07 9.46e-02 0s 5 8.43236510e+04 8.42958420e+04 8.26e-10 6.52e-09 1.25e-02 0s 6 8.43019638e+04 8.42979700e+04 1.03e-10 1.50e-09 1.80e-03 0s 7 8.43002947e+04 8.42987408e+04 7.90e-11 3.97e-09 7.00e-04 0s 8 8.42990827e+04 8.42987814e+04 2.24e-09 1.18e-10 1.36e-04 0s 9 8.42989137e+04 8.42987926e+04 8.83e-10 2.38e-11 5.46e-05 0s 10 8.42988456e+04 8.42988041e+04 3.06e-10 2.70e-12 1.87e-05 0s Barrier solved model in 10 iterations and 0.03 seconds Optimal objective 8.42988456e+04