Gurobi 5.0.1 (linux64) logging started Tue Jan 22 22:17:14 2013 Optimize a model with 174000 rows, 261002 columns and 348000 nonzeros Model has 87000 quadratic constraints Presolve time: 0.21s Presolved: 174000 rows, 261002 columns, 348000 nonzeros Presolved model has 87000 second-order cone constraints Ordering time: 0.03s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.610e+05 Factor NZ : 6.090e+05 (roughly 180 MBytes of memory) Factor Ops : 2.175e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.32769800e+07 0.00000000e+00 2.22e-11 5.02e-01 2.90e+02 1s 1 1.50123858e+07 3.11898263e+06 5.42e-07 4.53e-05 4.56e+01 1s 2 1.12930985e+07 9.00867235e+06 7.83e-08 2.71e-06 8.75e+00 1s 3 1.04128346e+07 9.94696798e+06 1.75e-08 3.27e-07 1.78e+00 2s 4 1.01429844e+07 1.00614206e+07 2.37e-09 7.37e-08 3.13e-01 2s 5 1.00976969e+07 1.00855571e+07 3.94e-11 2.18e-08 4.65e-02 3s 6 1.00966057e+07 1.00962519e+07 7.74e-12 1.79e-10 1.36e-03 3s 7 1.00963531e+07 1.00963383e+07 3.77e-13 3.97e-12 5.66e-05 3s 8 1.00963446e+07 1.00963397e+07 6.39e-13 7.46e-12 1.87e-05 4s Barrier solved model in 8 iterations and 3.51 seconds Optimal objective 1.00963446e+07