Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:38:40 2013 Optimize a model with 60 rows, 92 columns and 120 nonzeros Model has 30 quadratic constraints Presolve time: 0.00s Presolved: 60 rows, 92 columns, 120 nonzeros Presolved model has 30 second-order cone constraints Ordering time: 0.00s Barrier statistics: Free vars : 2 AA' NZ : 9.000e+02 Factor NZ : 1.606e+03 Factor Ops : 5.343e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.47835827e+04 0.00000000e+00 1.28e-13 5.91e-01 2.80e+02 0s 1 4.95986056e+03 1.12376359e+03 4.23e-10 6.05e-05 4.26e+01 0s 2 3.75035327e+03 2.94792966e+03 1.64e-09 2.02e-05 8.92e+00 0s 3 3.49765262e+03 3.36904839e+03 6.92e-10 4.31e-06 1.43e+00 0s 4 3.41905783e+03 3.41005365e+03 1.28e-10 3.31e-07 1.00e-01 0s 5 3.41224444e+03 3.41123265e+03 9.00e-12 9.58e-08 1.12e-02 0s 6 3.41196675e+03 3.41172034e+03 4.05e-12 2.88e-09 2.74e-03 0s 7 3.41181208e+03 3.41173671e+03 2.66e-12 1.01e-09 8.37e-04 0s 8 3.41178545e+03 3.41173787e+03 1.68e-12 6.72e-10 5.29e-04 0s 9 3.41176226e+03 3.41173926e+03 7.67e-13 2.78e-11 2.56e-04 0s 10 3.41174974e+03 3.41173984e+03 3.27e-13 1.24e-12 1.10e-04 0s 11 3.41174221e+03 3.41173997e+03 1.35e-13 3.40e-11 2.48e-05 0s Barrier solved model in 11 iterations and 0.01 seconds Optimal objective 3.41174221e+03