Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:55:14 2013 Optimize a model with 16600 rows, 24902 columns and 33200 nonzeros Model has 8300 quadratic constraints Presolve time: 0.02s Presolved: 16600 rows, 24902 columns, 33200 nonzeros Presolved model has 8300 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.490e+04 Factor NZ : 5.810e+04 (roughly 17 MBytes of memory) Factor Ops : 2.075e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.20817266e+06 0.00000000e+00 1.85e-13 4.94e-01 2.99e+02 0s 1 1.43818904e+06 2.87993031e+05 1.02e-07 4.88e-05 4.62e+01 0s 2 1.07907774e+06 8.55134325e+05 2.75e-08 2.99e-06 8.99e+00 0s 3 9.93704094e+05 9.47015149e+05 7.34e-09 4.63e-07 1.88e+00 0s 4 9.66381305e+05 9.60419596e+05 7.65e-10 6.02e-08 2.39e-01 0s 5 9.62592756e+05 9.62485322e+05 1.04e-11 6.88e-10 4.31e-03 0s 6 9.62539285e+05 9.62526423e+05 2.00e-12 1.69e-12 5.17e-04 0s 7 9.62528038e+05 9.62526675e+05 4.97e-13 2.51e-13 5.47e-05 0s 8 9.62527174e+05 9.62526762e+05 2.56e-13 1.40e-12 1.66e-05 0s Barrier solved model in 8 iterations and 0.31 seconds Optimal objective 9.62527174e+05