Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:36:22 2013 Optimize a model with 148000 rows, 222002 columns and 296000 nonzeros Model has 74000 quadratic constraints Presolve time: 0.17s Presolved: 148000 rows, 222002 columns, 296000 nonzeros Presolved model has 74000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.220e+05 Factor NZ : 5.180e+05 (roughly 150 MBytes of memory) Factor Ops : 1.850e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.27119926e+07 0.00000000e+00 1.31e-11 5.02e-01 2.92e+02 0s 1 1.27533539e+07 2.63970745e+06 1.50e-06 4.56e-05 4.56e+01 1s 2 9.61045285e+06 7.67451586e+06 2.16e-07 2.70e-06 8.72e+00 1s 3 8.84366989e+06 8.46847121e+06 4.78e-08 3.28e-07 1.69e+00 1s 4 8.64451213e+06 8.56008122e+06 8.51e-09 8.98e-08 3.80e-01 2s 5 8.59786467e+06 8.58550245e+06 2.79e-10 2.49e-08 5.57e-02 2s 6 8.59667273e+06 8.59577707e+06 1.19e-10 2.36e-11 4.03e-03 2s 7 8.59612839e+06 8.59578453e+06 4.57e-11 1.26e-11 1.55e-03 3s 8 8.59586569e+06 8.59579053e+06 9.98e-12 4.12e-12 3.39e-04 3s 9 8.59581515e+06 8.59579121e+06 3.33e-12 9.18e-13 1.08e-04 3s 10 8.59580017e+06 8.59579162e+06 1.29e-12 1.29e-12 3.85e-05 4s Barrier solved model in 10 iterations and 3.66 seconds Optimal objective 8.59580017e+06