Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:48:20 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 4.69574352e+07 0.00000000e+00 9.42e-12 5.02e-01 2.94e+02 0s 1 9.53705927e+06 1.94363327e+06 3.84e-07 4.66e-05 4.60e+01 0s 2 7.13971671e+06 5.66898758e+06 5.56e-08 2.84e-06 8.91e+00 1s 3 6.57313582e+06 6.27659619e+06 1.22e-08 3.42e-07 1.80e+00 1s 4 6.39203189e+06 6.36694234e+06 9.17e-10 1.72e-08 1.52e-01 1s 5 6.37348493e+06 6.37298026e+06 2.01e-11 1.19e-11 3.06e-03 2s 6 6.37311947e+06 6.37302900e+06 3.74e-12 5.34e-12 5.48e-04 2s 7 6.37305344e+06 6.37303818e+06 7.82e-13 3.71e-12 9.25e-05 2s 8 6.37304480e+06 6.37303987e+06 5.61e-13 3.12e-12 2.99e-05 2s Barrier solved model in 8 iterations and 2.17 seconds Optimal objective 6.37304480e+06