Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:48 2013 Optimize a model with 1700 rows, 2552 columns and 3400 nonzeros Model has 850 quadratic constraints Presolve time: 0.00s Presolved: 1700 rows, 2552 columns, 3400 nonzeros Presolved model has 850 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.550e+03 Factor NZ : 5.953e+03 (roughly 2 MBytes of memory) Factor Ops : 2.126e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.31193641e+05 0.00000000e+00 2.84e-14 5.21e-01 2.96e+02 0s 1 1.47136125e+05 3.15062928e+04 7.39e-09 4.93e-05 4.53e+01 0s 2 1.13577337e+05 9.04521917e+04 9.67e-09 6.86e-06 9.07e+00 0s 3 1.03812932e+05 1.00299879e+05 3.76e-09 1.20e-06 1.38e+00 0s 4 1.01602271e+05 1.01249975e+05 2.78e-10 3.05e-07 1.38e-01 0s 5 1.01579894e+05 1.01456919e+05 2.65e-10 1.16e-07 4.82e-02 0s 6 1.01521198e+05 1.01515216e+05 9.24e-11 1.00e-08 2.35e-03 0s 7 1.01520689e+05 1.01520159e+05 2.03e-10 9.53e-09 2.08e-04 0s 8 1.01520456e+05 1.01520382e+05 1.42e-11 1.93e-09 2.93e-05 0s Barrier solved model in 8 iterations and 0.03 seconds Optimal objective 1.01520456e+05