Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:45:21 2013 Optimize a model with 2800 rows, 4202 columns and 5600 nonzeros Model has 1400 quadratic constraints Presolve time: 0.00s Presolved: 2800 rows, 4202 columns, 5600 nonzeros Presolved model has 1400 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 4.200e+03 Factor NZ : 9.803e+03 (roughly 3 MBytes of memory) Factor Ops : 3.500e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.23054603e+06 0.00000000e+00 2.84e-14 5.02e-01 3.02e+02 0s 1 2.43044235e+05 4.96229466e+04 1.09e-08 4.94e-05 4.61e+01 0s 2 1.84063837e+05 1.46087053e+05 9.69e-09 6.42e-06 9.04e+00 0s 3 1.68577492e+05 1.61922847e+05 1.93e-09 1.06e-06 1.58e+00 0s 4 1.64640815e+05 1.63912607e+05 6.69e-10 3.11e-07 1.73e-01 0s 5 1.64529486e+05 1.64520731e+05 7.13e-10 3.50e-08 2.08e-03 0s 6 1.64526362e+05 1.64524416e+05 1.48e-10 8.17e-09 4.63e-04 0s 7 1.64525712e+05 1.64525069e+05 9.63e-10 3.48e-09 1.53e-04 0s 8 1.64525561e+05 1.64525304e+05 3.31e-10 1.49e-09 6.14e-05 0s 9 1.64525514e+05 1.64525464e+05 1.39e-10 1.27e-10 1.20e-05 0s Barrier solved model in 9 iterations and 0.06 seconds Optimal objective 1.64525514e+05