Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:43:41 2013 Optimize a model with 120 rows, 182 columns and 240 nonzeros Model has 60 quadratic constraints Presolve time: 0.00s Presolved: 120 rows, 182 columns, 240 nonzeros Presolved model has 60 second-order cone constraints Ordering time: 0.00s Barrier statistics: Free vars : 2 AA' NZ : 3.600e+03 Factor NZ : 6.361e+03 Factor Ops : 4.205e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.62049117e+04 0.00000000e+00 1.42e-13 3.72e-01 2.65e+02 0s 1 9.08977864e+03 2.10548239e+03 9.54e-10 4.95e-05 3.88e+01 0s 2 7.12383809e+03 5.90158503e+03 3.94e-09 8.51e-06 6.79e+00 0s 3 6.55759477e+03 6.44761455e+03 7.43e-10 1.28e-06 6.11e-01 0s 4 6.51581557e+03 6.51367801e+03 7.07e-11 6.40e-08 1.19e-02 0s 5 6.51463896e+03 6.51417998e+03 1.93e-10 6.53e-09 2.55e-03 0s 6 6.51432667e+03 6.51419475e+03 5.70e-11 2.66e-10 7.33e-04 0s 7 6.51421185e+03 6.51419861e+03 5.04e-12 6.24e-13 7.35e-05 0s 8 6.51420262e+03 6.51420006e+03 6.89e-13 8.06e-13 1.42e-05 0s Barrier solved model in 8 iterations and 0.01 seconds Optimal objective 6.51420262e+03