Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:25 2013 Optimize a model with 1360 rows, 2042 columns and 2720 nonzeros Model has 680 quadratic constraints Presolve time: 0.00s Presolved: 1360 rows, 2042 columns, 2720 nonzeros Presolved model has 680 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.040e+03 Factor NZ : 4.763e+03 (roughly 1 MByte of memory) Factor Ops : 1.700e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.72853240e+05 0.00000000e+00 2.84e-14 4.51e-01 2.91e+02 0s 1 1.15493969e+05 2.28073213e+04 1.27e-08 5.15e-05 4.54e+01 0s 2 8.51088645e+04 6.66042526e+04 3.09e-08 6.96e-06 9.07e+00 0s 3 7.71484923e+04 7.54022963e+04 5.40e-09 1.14e-06 8.56e-01 0s 4 7.58308368e+04 7.57341990e+04 2.26e-10 1.18e-07 4.74e-02 0s 5 7.57709435e+04 7.57571313e+04 1.62e-12 4.17e-08 6.77e-03 0s 6 7.57702283e+04 7.57680896e+04 1.78e-11 1.29e-09 1.05e-03 0s 7 7.57698702e+04 7.57696971e+04 2.34e-09 3.10e-09 8.48e-05 0s 8 7.57698602e+04 7.57698028e+04 1.07e-09 9.40e-10 2.82e-05 0s Barrier solved model in 8 iterations and 0.03 seconds Optimal objective 7.57698602e+04