Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:45:24 2013 Optimize a model with 3000 rows, 4502 columns and 6000 nonzeros Model has 1500 quadratic constraints Presolve time: 0.00s Presolved: 3000 rows, 4502 columns, 6000 nonzeros Presolved model has 1500 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 4.500e+03 Factor NZ : 1.050e+04 (roughly 3 MBytes of memory) Factor Ops : 3.750e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.31597441e+06 0.00000000e+00 2.84e-14 4.99e-01 3.02e+02 0s 1 2.59590026e+05 5.24812829e+04 1.04e-08 4.93e-05 4.60e+01 0s 2 1.95753026e+05 1.55084144e+05 2.52e-08 6.34e-06 9.04e+00 0s 3 1.79108201e+05 1.72132480e+05 6.45e-09 1.04e-06 1.55e+00 0s 4 1.75020468e+05 1.74407588e+05 5.01e-10 2.21e-07 1.36e-01 0s 5 1.74934461e+05 1.74905469e+05 2.24e-10 3.87e-08 6.44e-03 0s 6 1.74913298e+05 1.74908979e+05 3.24e-11 3.80e-09 9.60e-04 0s 7 1.74910656e+05 1.74909278e+05 1.02e-11 1.02e-09 3.06e-04 0s 8 1.74910151e+05 1.74909294e+05 6.02e-12 8.91e-10 1.90e-04 0s 9 1.74909691e+05 1.74909355e+05 2.34e-12 4.34e-10 7.47e-05 0s 10 1.74909542e+05 1.74909409e+05 9.45e-13 9.58e-11 2.94e-05 0s Barrier solved model in 10 iterations and 0.08 seconds Optimal objective 1.74909542e+05