Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:43:56 2013 Optimize a model with 780 rows, 1172 columns and 1560 nonzeros Model has 390 quadratic constraints Presolve time: 0.00s Presolved: 780 rows, 1172 columns, 1560 nonzeros Presolved model has 390 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.170e+03 Factor NZ : 2.733e+03 Factor Ops : 9.755e+03 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.37432196e+05 0.00000000e+00 2.84e-14 4.96e-01 2.98e+02 0s 1 6.77328382e+04 1.37905840e+04 4.13e-09 5.02e-05 4.61e+01 0s 2 5.06247979e+04 3.97593512e+04 1.09e-08 7.35e-06 9.29e+00 0s 3 4.60698672e+04 4.46888499e+04 1.02e-10 1.60e-06 1.18e+00 0s 4 4.51005999e+04 4.50752878e+04 3.13e-09 2.29e-08 2.16e-02 0s 5 4.50848552e+04 4.50819093e+04 2.82e-10 2.86e-09 2.52e-03 0s 6 4.50835587e+04 4.50825429e+04 7.51e-10 5.31e-09 8.68e-04 0s 7 4.50830897e+04 4.50826367e+04 3.94e-10 3.44e-10 3.87e-04 0s 8 4.50827794e+04 4.50826388e+04 1.14e-10 2.78e-10 1.20e-04 0s 9 4.50827245e+04 4.50826519e+04 6.18e-11 9.33e-11 6.21e-05 0s 10 4.50827133e+04 4.50826573e+04 5.00e-11 4.80e-11 4.79e-05 0s 11 4.50826883e+04 4.50826610e+04 2.42e-11 2.20e-11 2.34e-05 0s Barrier solved model in 11 iterations and 0.02 seconds Optimal objective 4.50826883e+04