Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:10 2013 Optimize a model with 1100 rows, 1652 columns and 2200 nonzeros Model has 550 quadratic constraints Presolve time: 0.00s Presolved: 1100 rows, 1652 columns, 2200 nonzeros Presolved model has 550 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.650e+03 Factor NZ : 3.853e+03 (roughly 1 MByte of memory) Factor Ops : 1.376e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.71680610e+05 0.00000000e+00 2.84e-14 5.20e-01 2.95e+02 0s 1 9.51681057e+04 2.05135080e+04 2.16e-09 4.94e-05 4.52e+01 0s 2 7.40063739e+04 5.87481566e+04 5.97e-09 7.27e-06 9.25e+00 0s 3 6.78253826e+04 6.49365135e+04 3.83e-09 1.11e-06 1.75e+00 0s 4 6.59841848e+04 6.58541870e+04 1.55e-09 1.59e-07 7.88e-02 0s 5 6.59385673e+04 6.59352403e+04 7.99e-11 1.59e-09 2.02e-03 0s 6 6.59366131e+04 6.59358534e+04 8.00e-11 1.28e-09 4.60e-04 0s 7 6.59362766e+04 6.59359589e+04 2.99e-11 6.37e-10 1.93e-04 0s 8 6.59361789e+04 6.59360630e+04 1.54e-11 4.02e-11 7.02e-05 0s 9 6.59361246e+04 6.59360709e+04 7.42e-12 3.38e-12 3.26e-05 0s Barrier solved model in 9 iterations and 0.03 seconds Optimal objective 6.59361246e+04