Gurobi 5.0.1 (linux64) logging started Tue Jan 22 22:20:01 2013 Optimize a model with 176000 rows, 264002 columns and 352000 nonzeros Model has 88000 quadratic constraints Presolve time: 0.22s Presolved: 176000 rows, 264002 columns, 352000 nonzeros Presolved model has 88000 second-order cone constraints Ordering time: 0.03s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.640e+05 Factor NZ : 6.160e+05 (roughly 200 MBytes of memory) Factor Ops : 2.200e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.40687169e+07 0.00000000e+00 1.77e-11 5.02e-01 2.90e+02 1s 1 1.51586218e+07 3.15274396e+06 1.45e-06 4.52e-05 4.55e+01 1s 2 1.14078020e+07 9.11052032e+06 2.09e-07 2.68e-06 8.70e+00 1s 3 1.05198923e+07 1.00556334e+07 4.62e-08 3.25e-07 1.76e+00 2s 4 1.02248091e+07 1.01943510e+07 1.82e-09 2.12e-08 1.15e-01 2s 5 1.02087460e+07 1.02059081e+07 2.62e-10 1.93e-10 1.07e-02 3s 6 1.02062375e+07 1.02059772e+07 1.70e-11 7.20e-11 9.86e-04 3s 7 1.02061333e+07 1.02060463e+07 7.54e-12 9.90e-12 3.29e-04 3s 8 1.02060597e+07 1.02060502e+07 8.53e-13 6.56e-12 3.60e-05 4s Barrier solved model in 8 iterations and 3.55 seconds Optimal objective 1.02060597e+07