Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:03:09 2013 Optimize a model with 36000 rows, 54002 columns and 72000 nonzeros Model has 18000 quadratic constraints Presolve time: 0.04s Presolved: 36000 rows, 54002 columns, 72000 nonzeros Presolved model has 18000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 5.400e+04 Factor NZ : 1.260e+05 (roughly 40 MBytes of memory) Factor Ops : 4.500e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.56096956e+07 0.00000000e+00 9.66e-13 5.00e-01 2.99e+02 0s 1 3.14344568e+06 6.23649328e+05 2.04e-07 4.89e-05 4.67e+01 0s 2 2.33830366e+06 1.84242737e+06 2.95e-08 3.09e-06 9.18e+00 0s 3 2.14528418e+06 2.04931276e+06 6.56e-09 3.74e-07 1.78e+00 0s 4 2.09265231e+06 2.07607225e+06 9.48e-10 6.58e-08 3.07e-01 0s 5 2.08277237e+06 2.08191761e+06 3.67e-11 3.44e-09 1.58e-02 1s 6 2.08246821e+06 2.08230611e+06 1.24e-11 5.68e-11 3.00e-03 1s 7 2.08233642e+06 2.08231253e+06 1.77e-12 3.88e-12 4.42e-04 1s 8 2.08232095e+06 2.08231394e+06 2.79e-10 3.56e-10 1.30e-04 1s 9 2.08231574e+06 2.08231432e+06 5.63e-11 1.41e-12 2.64e-05 1s Barrier solved model in 9 iterations and 0.79 seconds Optimal objective 2.08231574e+06