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 6.83969262e+05 0.00000000e+00 2.84e-14 5.00e-01 2.97e+02 0s 1 1.34287127e+05 2.89146531e+04 1.02e-08 4.81e-05 4.45e+01 0s 2 1.04404927e+05 8.47552474e+04 3.36e-08 7.86e-06 8.29e+00 0s 3 9.52912979e+04 9.32229241e+04 6.98e-09 1.71e-06 8.73e-01 0s 4 9.41524954e+04 9.40603583e+04 1.76e-09 2.64e-07 3.89e-02 0s 5 9.41194211e+04 9.41151779e+04 1.42e-10 3.02e-08 1.79e-03 0s 6 9.41183328e+04 9.41176674e+04 1.75e-10 1.31e-08 2.81e-04 0s 7 9.41182351e+04 9.41180773e+04 1.23e-09 5.40e-09 6.66e-05 0s 8 9.41182182e+04 9.41181512e+04 1.62e-09 2.63e-09 2.83e-05 0s Barrier solved model in 8 iterations and 0.03 seconds Optimal objective 9.41182182e+04