Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:28:23 2013 Optimize a model with 86000 rows, 129002 columns and 172000 nonzeros Model has 43000 quadratic constraints Presolve time: 0.10s 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 3.68893844e+07 0.00000000e+00 5.14e-12 5.00e-01 2.95e+02 0s 1 7.45267022e+06 1.51558726e+06 1.56e-06 4.72e-05 4.60e+01 0s 2 5.58701533e+06 4.43634309e+06 3.76e-07 3.21e-06 8.92e+00 1s 3 5.13455754e+06 4.91316751e+06 8.31e-08 3.85e-07 1.72e+00 1s 4 5.00390545e+06 4.97040527e+06 7.14e-09 8.88e-08 2.60e-01 1s 5 4.98991823e+06 4.98854238e+06 6.01e-10 1.44e-11 1.07e-02 1s 6 4.98871092e+06 4.98859600e+06 5.11e-11 5.48e-12 8.91e-04 1s 7 4.98862785e+06 4.98860145e+06 1.20e-11 5.80e-12 2.05e-04 2s 8 4.98861210e+06 4.98860271e+06 4.52e-12 5.11e-13 7.28e-05 2s 9 4.98860696e+06 4.98860345e+06 2.08e-12 4.59e-12 2.72e-05 2s Barrier solved model in 9 iterations and 1.91 seconds Optimal objective 4.98860696e+06