Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:50:57 2013 Optimize a model with 12800 rows, 19202 columns and 25600 nonzeros Model has 6400 quadratic constraints Presolve time: 0.01s Presolved: 12800 rows, 19202 columns, 25600 nonzeros Presolved model has 6400 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.920e+04 Factor NZ : 4.480e+04 (roughly 13 MBytes of memory) Factor Ops : 1.600e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.55448062e+06 0.00000000e+00 1.07e-13 4.99e-01 2.99e+02 0s 1 1.10743860e+06 2.22802841e+05 7.68e-08 4.91e-05 4.61e+01 0s 2 8.31036726e+05 6.57699430e+05 3.42e-08 3.83e-06 9.03e+00 0s 3 7.62962608e+05 7.29494672e+05 6.70e-09 4.87e-07 1.74e+00 0s 4 7.43614937e+05 7.39632354e+05 5.98e-10 7.24e-08 2.07e-01 0s 5 7.41847648e+05 7.41285445e+05 8.31e-11 8.86e-09 2.93e-02 0s 6 7.41583088e+05 7.41534468e+05 1.17e-11 1.66e-10 2.53e-03 0s 7 7.41541448e+05 7.41539449e+05 4.55e-13 2.92e-13 1.04e-04 0s 8 7.41540084e+05 7.41539645e+05 1.20e-09 9.60e-11 2.29e-05 0s Barrier solved model in 8 iterations and 0.24 seconds Optimal objective 7.41540084e+05