Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:28:05 2013 Optimize a model with 86000 rows, 129002 columns and 172000 nonzeros Model has 43000 quadratic constraints Presolve time: 0.09s Presolved: 86000 rows, 129002 columns, 172000 nonzeros Presolved model has 43000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.290e+05 Factor NZ : 3.010e+05 (roughly 90 MBytes of memory) Factor Ops : 1.075e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.66946160e+07 0.00000000e+00 5.00e-12 4.94e-01 2.94e+02 0s 1 7.41349987e+06 1.49305449e+06 5.59e-07 4.72e-05 4.59e+01 0s 2 5.53870983e+06 4.38653149e+06 8.07e-08 2.89e-06 8.93e+00 1s 3 5.08643749e+06 4.86477520e+06 1.78e-08 3.48e-07 1.72e+00 1s 4 4.96048035e+06 4.92369226e+06 2.12e-09 7.41e-08 2.85e-01 1s 5 4.94210215e+06 4.94032565e+06 1.68e-10 4.14e-10 1.38e-02 1s 6 4.94056914e+06 4.94046107e+06 8.86e-12 6.04e-11 8.38e-04 1s 7 4.94049939e+06 4.94047769e+06 1.46e-12 1.76e-11 1.68e-04 2s 8 4.94049428e+06 4.94048571e+06 9.09e-13 3.12e-12 6.65e-05 2s 9 4.94048663e+06 4.94048597e+06 6.18e-13 9.64e-12 5.11e-06 2s Barrier solved model in 9 iterations and 1.91 seconds Optimal objective 4.94048663e+06