Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:43:42 2013 Optimize a model with 180 rows, 272 columns and 360 nonzeros Model has 90 quadratic constraints Presolve time: 0.00s Presolved: 180 rows, 272 columns, 360 nonzeros Presolved model has 90 second-order cone constraints Ordering time: 0.00s Barrier statistics: Free vars : 2 AA' NZ : 8.100e+03 Factor NZ : 1.427e+04 Factor Ops : 1.412e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.70130784e+04 0.00000000e+00 2.84e-13 5.75e-01 2.95e+02 0s 1 1.48301207e+04 3.50149695e+03 1.87e-09 4.68e-05 4.20e+01 0s 2 1.18548382e+04 9.82656943e+03 4.08e-09 8.24e-06 7.51e+00 0s 3 1.10927838e+04 1.08792604e+04 2.48e-09 2.53e-06 7.91e-01 0s 4 1.09550638e+04 1.09504368e+04 4.74e-11 1.32e-07 1.71e-02 0s 5 1.09522990e+04 1.09519986e+04 1.86e-10 4.14e-09 1.11e-03 0s 6 1.09521398e+04 1.09520637e+04 1.37e-10 1.75e-09 2.82e-04 0s 7 1.09520966e+04 1.09520794e+04 7.11e-10 3.96e-09 6.39e-05 0s 8 1.09520859e+04 1.09520831e+04 4.74e-09 7.83e-10 1.03e-05 0s Barrier solved model in 8 iterations and 0.01 seconds Optimal objective 1.09520859e+04