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 2.06397319e+04 0.00000000e+00 1.14e-13 3.06e-01 2.35e+02 0s 1 4.47679016e+03 1.21745560e+03 8.53e-10 5.55e-05 3.62e+01 0s 2 3.47120055e+03 3.00416595e+03 1.37e-09 1.14e-05 5.19e+00 0s 3 3.37190118e+03 3.27367055e+03 3.41e-10 3.88e-06 1.09e+00 0s 4 3.35441222e+03 3.34718307e+03 9.01e-11 7.95e-07 8.03e-02 0s 5 3.35292065e+03 3.35002900e+03 6.44e-11 3.35e-07 3.21e-02 0s 6 3.35222653e+03 3.35128966e+03 1.89e-11 1.12e-07 1.04e-02 0s 7 3.35199813e+03 3.35154000e+03 3.74e-12 6.84e-08 5.09e-03 0s 8 3.35194261e+03 3.35184996e+03 5.04e-13 1.42e-08 1.03e-03 0s 9 3.35193764e+03 3.35192674e+03 3.27e-09 1.68e-09 1.21e-04 0s 10 3.35193464e+03 3.35192950e+03 8.22e-10 9.59e-10 5.71e-05 0s 11 3.35193376e+03 3.35193150e+03 3.33e-10 4.32e-10 2.52e-05 0s Barrier solved model in 11 iterations and 0.01 seconds Optimal objective 3.35193376e+03