Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:50:31 2013 Optimize a model with 112000 rows, 168002 columns and 224000 nonzeros Model has 56000 quadratic constraints Presolve time: 0.13s Presolved: 112000 rows, 168002 columns, 224000 nonzeros Presolved model has 56000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.680e+05 Factor NZ : 3.920e+05 (roughly 120 MBytes of memory) Factor Ops : 1.400e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.78731741e+07 0.00000000e+00 6.57e-12 5.04e-01 2.94e+02 0s 1 9.70375712e+06 1.97651013e+06 2.38e-07 4.67e-05 4.60e+01 0s 2 7.27115903e+06 5.77797248e+06 3.42e-08 2.82e-06 8.89e+00 1s 3 6.68289616e+06 6.39543173e+06 7.55e-09 3.41e-07 1.71e+00 1s 4 6.53641747e+06 6.46694996e+06 1.68e-09 8.83e-08 4.13e-01 1s 5 6.49687736e+06 6.47464348e+06 1.04e-10 6.19e-08 1.32e-01 2s 6 6.49426525e+06 6.48628317e+06 2.18e-11 2.35e-08 4.75e-02 2s 7 6.49384251e+06 6.49339808e+06 9.72e-12 3.21e-10 2.65e-03 2s 8 6.49352393e+06 6.49348460e+06 8.24e-13 4.01e-11 2.34e-04 2s 9 6.49350779e+06 6.49349653e+06 4.12e-13 4.89e-12 6.70e-05 3s 10 6.49350219e+06 6.49349737e+06 4.26e-13 6.93e-12 2.87e-05 3s Barrier solved model in 10 iterations and 2.73 seconds Optimal objective 6.49350219e+06