Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:43:47 2013 Optimize a model with 480 rows, 722 columns and 960 nonzeros Model has 240 quadratic constraints Presolve time: 0.00s Presolved: 480 rows, 722 columns, 960 nonzeros Presolved model has 240 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 7.200e+02 Factor NZ : 1.683e+03 Factor Ops : 6.005e+03 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.07706073e+05 0.00000000e+00 2.84e-14 5.31e-01 2.97e+02 0s 1 4.21339755e+04 8.64249117e+03 4.01e-09 5.13e-05 4.65e+01 0s 2 3.10985166e+04 2.45577307e+04 5.26e-09 7.26e-06 9.08e+00 0s 3 2.84863511e+04 2.74406570e+04 2.97e-09 2.15e-06 1.45e+00 0s 4 2.80058649e+04 2.79291215e+04 7.62e-11 2.39e-07 1.07e-01 0s 5 2.79855271e+04 2.79744864e+04 5.95e-12 4.02e-08 1.53e-02 0s 6 2.79841843e+04 2.79832914e+04 1.52e-12 1.36e-09 1.24e-03 0s 7 2.79838642e+04 2.79835558e+04 6.32e-13 3.76e-10 4.28e-04 0s 8 2.79836643e+04 2.79836361e+04 5.68e-14 5.93e-11 3.91e-05 0s 9 2.79836546e+04 2.79836459e+04 7.82e-14 1.49e-11 1.20e-05 0s Barrier solved model in 9 iterations and 0.02 seconds Optimal objective 2.79836546e+04