Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:35:56 2013 Optimize a model with 20 rows, 32 columns and 40 nonzeros Model has 10 quadratic constraints Presolve time: 0.00s Presolved: 20 rows, 32 columns, 40 nonzeros Presolved model has 10 second-order cone constraints Ordering time: 0.00s Barrier statistics: Free vars : 2 AA' NZ : 1.000e+02 Factor NZ : 2.100e+02 Factor Ops : 2.870e+03 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.44007685e+03 0.00000000e+00 8.53e-14 3.66e-01 1.87e+02 0s 1 1.16431707e+03 4.11730630e+02 4.32e-10 4.38e-05 2.51e+01 0s 2 1.05089531e+03 9.43513471e+02 8.37e-10 1.17e-05 3.58e+00 0s 3 9.95168675e+02 9.88994220e+02 1.27e-10 2.14e-06 2.06e-01 0s 4 9.93537070e+02 9.92023722e+02 3.95e-11 1.35e-07 5.04e-02 0s 5 9.92624812e+02 9.92234463e+02 1.15e-11 9.26e-09 1.30e-02 0s 6 9.92473853e+02 9.92337573e+02 3.43e-12 6.87e-10 4.54e-03 0s 7 9.92416069e+02 9.92363673e+02 1.95e-12 7.46e-14 1.75e-03 0s 8 9.92396464e+02 9.92378478e+02 8.17e-13 4.13e-13 6.00e-04 0s 9 9.92391304e+02 9.92382456e+02 4.41e-13 1.68e-12 2.95e-04 0s 10 9.92389860e+02 9.92386691e+02 2.06e-13 6.02e-12 1.06e-04 0s 11 9.92389416e+02 9.92387529e+02 1.78e-13 1.98e-13 6.29e-05 0s 12 9.92389142e+02 9.92387547e+02 1.71e-13 4.80e-12 5.32e-05 0s 13 9.92388732e+02 9.92387827e+02 9.24e-14 1.67e-12 3.01e-05 0s Barrier solved model in 13 iterations and 0.01 seconds Optimal objective 9.92388732e+02