Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:39 2013 Optimize a model with 1560 rows, 2342 columns and 3120 nonzeros Model has 780 quadratic constraints Presolve time: 0.00s Presolved: 1560 rows, 2342 columns, 3120 nonzeros Presolved model has 780 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.340e+03 Factor NZ : 5.463e+03 (roughly 2 MBytes of memory) Factor Ops : 1.950e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.75121608e+05 0.00000000e+00 2.84e-14 4.82e-01 2.98e+02 0s 1 1.32438994e+05 2.69632887e+04 1.23e-08 5.15e-05 4.51e+01 0s 2 1.00384385e+05 7.96776819e+04 2.33e-08 9.13e-06 8.85e+00 0s 3 9.18341455e+04 8.84714354e+04 5.98e-09 2.35e-06 1.44e+00 0s 4 8.97281720e+04 8.96087274e+04 2.42e-09 3.39e-07 5.10e-02 0s 5 8.96639542e+04 8.96489257e+04 1.31e-09 5.77e-08 6.42e-03 0s 6 8.96584677e+04 8.96578599e+04 3.17e-10 9.13e-09 2.60e-04 0s 7 8.96580597e+04 8.96579133e+04 2.96e-10 3.75e-09 6.26e-05 0s 8 8.96579680e+04 8.96579268e+04 8.89e-11 2.57e-12 1.76e-05 0s Barrier solved model in 8 iterations and 0.03 seconds Optimal objective 8.96579680e+04