Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:45:14 2013 Optimize a model with 2200 rows, 3302 columns and 4400 nonzeros Model has 1100 quadratic constraints Presolve time: 0.00s Presolved: 2200 rows, 3302 columns, 4400 nonzeros Presolved model has 1100 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 3.300e+03 Factor NZ : 7.703e+03 (roughly 2 MBytes of memory) Factor Ops : 2.750e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 9.63725573e+05 0.00000000e+00 2.84e-14 5.23e-01 3.01e+02 0s 1 1.91736235e+05 4.00204774e+04 3.30e-08 4.91e-05 4.60e+01 0s 2 1.47204539e+05 1.16860118e+05 3.56e-08 6.72e-06 9.20e+00 0s 3 1.33878547e+05 1.29267559e+05 3.95e-09 1.14e-06 1.40e+00 0s 4 1.31796170e+05 1.30387782e+05 6.11e-10 5.20e-07 4.27e-01 0s 5 1.31461092e+05 1.30695615e+05 3.57e-10 3.63e-07 2.32e-01 0s 6 1.31398710e+05 1.31350386e+05 3.74e-10 3.77e-08 1.46e-02 0s 7 1.31372355e+05 1.31366691e+05 4.19e-11 4.71e-09 1.72e-03 0s 8 1.31369773e+05 1.31368854e+05 9.24e-12 3.10e-10 2.79e-04 0s 9 1.31369241e+05 1.31368985e+05 1.21e-09 9.37e-11 7.75e-05 0s 10 1.31369146e+05 1.31369028e+05 6.35e-10 5.34e-12 3.57e-05 0s Barrier solved model in 10 iterations and 0.05 seconds Optimal objective 1.31369146e+05