Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:48:16 2013 Optimize a model with 9400 rows, 14102 columns and 18800 nonzeros Model has 4700 quadratic constraints Presolve time: 0.01s Presolved: 9400 rows, 14102 columns, 18800 nonzeros Presolved model has 4700 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.410e+04 Factor NZ : 3.290e+04 (roughly 10 MBytes of memory) Factor Ops : 1.175e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.05838616e+06 0.00000000e+00 7.11e-14 4.83e-01 2.98e+02 0s 1 8.10789523e+05 1.61357252e+05 7.49e-08 4.92e-05 4.61e+01 0s 2 6.05810042e+05 4.78178708e+05 3.94e-08 6.22e-06 9.05e+00 0s 3 5.53974568e+05 5.33954406e+05 9.39e-09 7.83e-07 1.42e+00 0s 4 5.40058367e+05 5.38959638e+05 1.19e-09 1.00e-07 7.79e-02 0s 5 5.39821871e+05 5.39788144e+05 2.95e-10 9.13e-10 2.39e-03 0s 6 5.39793323e+05 5.39789311e+05 1.11e-10 2.69e-10 2.85e-04 0s 7 5.39790034e+05 5.39789380e+05 8.87e-10 8.90e-11 4.64e-05 0s 8 5.39789587e+05 5.39789408e+05 2.40e-10 2.56e-12 1.27e-05 0s Barrier solved model in 8 iterations and 0.17 seconds Optimal objective 5.39789587e+05