Gurobi 5.0.1 (linux64) logging started Tue Jan 22 22:16:33 2013 Optimize a model with 174000 rows, 261002 columns and 348000 nonzeros Model has 87000 quadratic constraints Presolve time: 0.20s Presolved: 174000 rows, 261002 columns, 348000 nonzeros Presolved model has 87000 second-order cone constraints Ordering time: 0.03s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.610e+05 Factor NZ : 6.090e+05 (roughly 180 MBytes of memory) Factor Ops : 2.175e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.32766912e+07 0.00000000e+00 1.82e-11 5.02e-01 2.90e+02 1s 1 1.49919861e+07 3.11751612e+06 5.34e-07 4.52e-05 4.55e+01 1s 2 1.12837191e+07 9.01158490e+06 7.69e-08 2.68e-06 8.71e+00 1s 3 1.04062918e+07 9.94624009e+06 1.71e-08 3.25e-07 1.76e+00 2s 4 1.01136840e+07 1.00818923e+07 6.75e-10 2.48e-08 1.22e-01 2s 5 1.00978481e+07 1.00949352e+07 1.01e-10 1.99e-10 1.12e-02 3s 6 1.00952466e+07 1.00950201e+07 5.83e-12 5.46e-11 8.68e-04 3s 7 1.00951593e+07 1.00950742e+07 2.84e-12 3.10e-12 3.26e-04 3s 8 1.00950901e+07 1.00950756e+07 1.02e-12 1.17e-11 5.57e-05 4s 9 1.00950829e+07 1.00950761e+07 7.82e-13 3.11e-12 2.60e-05 4s Barrier solved model in 9 iterations and 3.95 seconds Optimal objective 1.00950829e+07