Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:57:09 2013 Optimize a model with 118000 rows, 177002 columns and 236000 nonzeros Model has 59000 quadratic constraints Presolve time: 0.13s Presolved: 118000 rows, 177002 columns, 236000 nonzeros Presolved model has 59000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.770e+05 Factor NZ : 4.130e+05 (roughly 120 MBytes of memory) Factor Ops : 1.475e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.03413599e+07 0.00000000e+00 1.06e-11 5.04e-01 2.94e+02 0s 1 1.02235050e+07 2.09359717e+06 4.01e-07 4.64e-05 4.59e+01 0s 2 7.67377100e+06 6.10673795e+06 5.77e-08 2.79e-06 8.85e+00 1s 3 7.05573405e+06 6.75330035e+06 1.27e-08 3.40e-07 1.71e+00 1s 4 6.87897926e+06 6.83158190e+06 1.18e-09 7.95e-08 2.68e-01 1s 5 6.85860381e+06 6.85678030e+06 9.01e-11 1.90e-12 1.03e-02 2s 6 6.85701618e+06 6.85685597e+06 7.99e-12 2.73e-12 9.05e-04 2s 7 6.85690839e+06 6.85686700e+06 2.19e-12 3.29e-12 2.34e-04 2s 8 6.85688060e+06 6.85686852e+06 9.09e-13 3.87e-12 6.82e-05 2s 9 6.85687500e+06 6.85686930e+06 7.53e-13 5.00e-12 3.23e-05 3s Barrier solved model in 9 iterations and 2.63 seconds Optimal objective 6.85687500e+06