Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:41 2013 Optimize a model with 1580 rows, 2372 columns and 3160 nonzeros Model has 790 quadratic constraints Presolve time: 0.00s Presolved: 1580 rows, 2372 columns, 3160 nonzeros Presolved model has 790 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.370e+03 Factor NZ : 5.533e+03 (roughly 2 MBytes of memory) Factor Ops : 1.976e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.93468018e+05 0.00000000e+00 2.84e-14 5.08e-01 3.02e+02 0s 1 1.34810729e+05 2.73031458e+04 2.89e-08 4.85e-05 4.54e+01 0s 2 1.06972923e+05 8.18012343e+04 2.97e-08 7.62e-06 1.06e+01 0s 3 9.37929036e+04 9.16259725e+04 1.89e-08 9.35e-07 9.14e-01 0s 4 9.18527547e+04 9.17817340e+04 5.83e-10 4.84e-08 3.00e-02 0s 5 9.18003700e+04 9.17889118e+04 8.21e-11 1.18e-08 4.83e-03 0s 6 9.17927805e+04 9.17902847e+04 5.18e-10 5.08e-09 1.05e-03 0s 7 9.17920438e+04 9.17910680e+04 3.79e-09 8.35e-10 4.12e-04 0s 8 9.17917696e+04 9.17915824e+04 1.31e-09 3.79e-11 7.90e-05 0s 9 9.17916784e+04 9.17915984e+04 5.27e-10 1.95e-11 3.38e-05 0s Barrier solved model in 9 iterations and 0.04 seconds Optimal objective 9.17916784e+04