Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:44 2013 Optimize a model with 1640 rows, 2462 columns and 3280 nonzeros Model has 820 quadratic constraints Presolve time: 0.00s Presolved: 1640 rows, 2462 columns, 3280 nonzeros Presolved model has 820 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.460e+03 Factor NZ : 5.743e+03 (roughly 2 MBytes of memory) Factor Ops : 2.050e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.04882515e+05 0.00000000e+00 2.84e-14 5.19e-01 2.96e+02 0s 1 1.41809325e+05 3.03028747e+04 1.06e-08 4.94e-05 4.53e+01 0s 2 1.09394141e+05 8.70802587e+04 2.40e-08 6.86e-06 9.07e+00 0s 3 1.00244997e+05 9.69580808e+04 1.78e-09 9.91e-07 1.34e+00 0s 4 9.78252519e+04 9.76927403e+04 1.19e-09 1.63e-07 5.39e-02 0s 5 9.77607811e+04 9.77575806e+04 7.92e-11 9.43e-09 1.30e-03 0s 6 9.77587230e+04 9.77580904e+04 9.65e-10 3.29e-09 2.57e-04 0s 7 9.77583840e+04 9.77581700e+04 3.27e-10 8.35e-10 8.70e-05 0s 8 9.77582677e+04 9.77582039e+04 1.06e-10 4.23e-11 2.59e-05 0s Barrier solved model in 8 iterations and 0.03 seconds Optimal objective 9.77582677e+04