Gurobi 5.0.1 (linux64) logging started Tue Jan 22 22:06:58 2013 Optimize a model with 168000 rows, 252002 columns and 336000 nonzeros Model has 84000 quadratic constraints Presolve time: 0.20s Presolved: 168000 rows, 252002 columns, 336000 nonzeros Presolved model has 84000 second-order cone constraints Ordering time: 0.03s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.520e+05 Factor NZ : 5.880e+05 (roughly 170 MBytes of memory) Factor Ops : 2.100e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.08199896e+07 0.00000000e+00 1.69e-11 5.01e-01 2.90e+02 0s 1 1.44936338e+07 3.00604309e+06 2.41e-07 4.54e-05 4.56e+01 1s 2 1.08998415e+07 8.69162052e+06 3.48e-08 2.72e-06 8.76e+00 1s 3 1.00423602e+07 9.59879879e+06 7.59e-09 3.29e-07 1.76e+00 2s 4 9.78584547e+06 9.71279190e+06 9.62e-10 6.55e-08 2.90e-01 2s 5 9.74473914e+06 9.73075477e+06 1.91e-11 2.63e-08 5.55e-02 3s 6 9.74372868e+06 9.74331178e+06 4.92e-12 1.41e-10 1.65e-03 3s 7 9.74340094e+06 9.74337838e+06 3.48e-13 8.32e-13 8.95e-05 3s 8 9.74338725e+06 9.74337940e+06 5.19e-13 4.73e-12 3.12e-05 4s Barrier solved model in 8 iterations and 3.54 seconds Optimal objective 9.74338725e+06