Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:43:41 2013 Optimize a model with 160 rows, 242 columns and 320 nonzeros Model has 80 quadratic constraints Presolve time: 0.00s Presolved: 160 rows, 242 columns, 320 nonzeros Presolved model has 80 second-order cone constraints Ordering time: 0.00s Barrier statistics: Free vars : 2 AA' NZ : 6.400e+03 Factor NZ : 1.128e+04 Factor Ops : 9.928e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.47395162e+04 0.00000000e+00 1.99e-13 5.79e-01 2.76e+02 0s 1 1.35841566e+04 3.32329312e+03 3.52e-09 5.02e-05 4.28e+01 0s 2 1.12787418e+04 8.86540533e+03 6.04e-09 7.65e-06 1.01e+01 0s 3 9.97808599e+03 9.77154687e+03 5.80e-10 9.94e-07 8.61e-01 0s 4 9.82902915e+03 9.81999542e+03 2.66e-11 2.34e-08 3.76e-02 0s 5 9.82389954e+03 9.82085156e+03 8.55e-12 8.56e-09 1.27e-02 0s 6 9.82160887e+03 9.82118590e+03 6.29e-13 3.12e-09 1.76e-03 0s 7 9.82146427e+03 9.82137608e+03 1.78e-13 3.16e-10 3.67e-04 0s 8 9.82141503e+03 9.82139406e+03 4.26e-14 9.05e-11 8.74e-05 0s 9 9.82140864e+03 9.82140263e+03 6.19e-10 3.05e-10 2.50e-05 0s Barrier solved model in 9 iterations and 0.01 seconds Optimal objective 9.82140864e+03