Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:49:06 2013 Optimize a model with 110000 rows, 165002 columns and 220000 nonzeros Model has 55000 quadratic constraints Presolve time: 0.12s Presolved: 110000 rows, 165002 columns, 220000 nonzeros Presolved model has 55000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.650e+05 Factor NZ : 3.850e+05 (roughly 110 MBytes of memory) Factor Ops : 1.375e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.69073734e+07 0.00000000e+00 6.56e-12 4.99e-01 2.94e+02 0s 1 9.51176635e+06 1.94467063e+06 1.23e-06 4.66e-05 4.59e+01 0s 2 7.13318603e+06 5.66917091e+06 1.78e-07 2.84e-06 8.87e+00 1s 3 6.57027274e+06 6.27421750e+06 3.93e-08 3.43e-07 1.79e+00 1s 4 6.39049268e+06 6.36234746e+06 3.19e-09 2.43e-08 1.71e-01 1s 5 6.37097384e+06 6.37028677e+06 9.19e-11 6.17e-11 4.16e-03 2s 6 6.37045115e+06 6.37035742e+06 1.33e-11 3.66e-12 5.68e-04 2s 7 6.37039577e+06 6.37036539e+06 4.83e-12 3.19e-12 1.84e-04 2s 8 6.37037983e+06 6.37036590e+06 2.52e-12 7.93e-12 8.44e-05 2s 9 6.37037402e+06 6.37036666e+06 1.45e-12 8.26e-12 4.46e-05 2s 10 6.37036879e+06 6.37036684e+06 6.96e-13 7.61e-12 1.18e-05 3s Barrier solved model in 10 iterations and 2.67 seconds Optimal objective 6.37036879e+06