Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:48:07 2013 Optimize a model with 110000 rows, 165002 columns and 220000 nonzeros Model has 55000 quadratic constraints Presolve time: 0.12s Presolved: 110000 rows, 165002 columns, 220000 nonzeros Presolved model has 55000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.650e+05 Factor NZ : 3.850e+05 (roughly 110 MBytes of memory) Factor Ops : 1.375e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.68512635e+07 0.00000000e+00 4.92e-12 4.99e-01 2.94e+02 0s 1 9.51075979e+06 1.94556640e+06 4.66e-07 4.66e-05 4.58e+01 0s 2 7.14195298e+06 5.67868930e+06 6.74e-08 2.83e-06 8.87e+00 1s 3 6.56477841e+06 6.28216233e+06 1.49e-08 3.43e-07 1.71e+00 1s 4 6.41208937e+06 6.35501560e+06 2.41e-09 8.00e-08 3.46e-01 1s 5 6.38203023e+06 6.37714483e+06 2.31e-10 3.89e-09 2.96e-02 2s 6 6.37967865e+06 6.37855605e+06 7.36e-11 4.79e-11 6.80e-03 2s 7 6.37865600e+06 6.37857700e+06 4.39e-12 3.88e-12 4.79e-04 2s 8 6.37861323e+06 6.37857947e+06 2.02e-12 1.16e-12 2.05e-04 2s 9 6.37860217e+06 6.37857990e+06 2.37e-12 2.35e-12 1.35e-04 2s 10 6.37859523e+06 6.37858015e+06 2.10e-12 3.19e-12 9.14e-05 3s 11 6.37859268e+06 6.37858018e+06 2.05e-12 2.09e-12 7.57e-05 3s 12 6.37859133e+06 6.37858043e+06 1.88e-12 1.90e-12 6.60e-05 3s 13 6.37858687e+06 6.37858054e+06 1.08e-12 2.12e-11 3.84e-05 3s Barrier solved model in 13 iterations and 3.40 seconds Optimal objective 6.37858687e+06