Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:07 2013 Optimize a model with 1020 rows, 1532 columns and 2040 nonzeros Model has 510 quadratic constraints Presolve time: 0.00s Presolved: 1020 rows, 1532 columns, 2040 nonzeros Presolved model has 510 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.530e+03 Factor NZ : 3.573e+03 (roughly 1 MByte of memory) Factor Ops : 1.276e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.41298581e+05 0.00000000e+00 2.84e-14 4.97e-01 2.98e+02 0s 1 8.87834930e+04 1.78848797e+04 4.43e-09 5.07e-05 4.63e+01 0s 2 6.61845144e+04 5.16950697e+04 1.02e-08 7.33e-06 9.47e+00 0s 3 6.04504767e+04 5.79623853e+04 3.36e-09 1.72e-06 1.63e+00 0s 4 5.89686193e+04 5.86258713e+04 2.56e-09 4.66e-07 2.24e-01 0s 5 5.87740742e+04 5.87363824e+04 9.89e-10 1.12e-08 2.46e-02 0s 6 5.87428791e+04 5.87397998e+04 8.21e-11 2.17e-10 2.01e-03 0s 7 5.87409102e+04 5.87400114e+04 2.21e-10 1.42e-09 5.87e-04 0s 8 5.87404280e+04 5.87400580e+04 1.23e-09 2.60e-10 2.42e-04 0s 9 5.87402765e+04 5.87400885e+04 6.68e-10 8.88e-13 1.23e-04 0s 10 5.87401660e+04 5.87401030e+04 2.31e-10 2.36e-12 4.12e-05 0s 11 5.87401397e+04 5.87401062e+04 1.14e-10 6.28e-12 2.19e-05 0s Barrier solved model in 11 iterations and 0.03 seconds Optimal objective 5.87401397e+04