Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:32:35 2013 Optimize a model with 92000 rows, 138002 columns and 184000 nonzeros Model has 46000 quadratic constraints Presolve time: 0.11s Presolved: 92000 rows, 138002 columns, 184000 nonzeros Presolved model has 46000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.380e+05 Factor NZ : 3.220e+05 (roughly 100 MBytes of memory) Factor Ops : 1.150e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.95304697e+07 0.00000000e+00 5.20e-12 5.06e-01 2.96e+02 0s 1 7.99752770e+06 1.62146055e+06 6.41e-07 4.72e-05 4.62e+01 0s 2 5.99049120e+06 4.75295942e+06 9.26e-08 2.88e-06 8.97e+00 1s 3 5.50394901e+06 5.26447600e+06 2.05e-08 3.50e-07 1.74e+00 1s 4 5.38607112e+06 5.32529502e+06 5.06e-09 8.49e-08 4.40e-01 1s 5 5.35101762e+06 5.34359723e+06 5.29e-10 8.60e-09 5.38e-02 1s 6 5.34672248e+06 5.34570222e+06 4.08e-11 1.80e-09 7.39e-03 1s 7 5.34640562e+06 5.34630200e+06 9.01e-12 3.29e-11 7.51e-04 2s 8 5.34633154e+06 5.34631382e+06 1.68e-12 1.13e-12 1.28e-04 2s 9 5.34632339e+06 5.34631415e+06 1.52e-12 2.26e-12 6.70e-05 2s 10 5.34632095e+06 5.34631421e+06 2.61e-12 1.80e-12 4.88e-05 2s 11 5.34631995e+06 5.34631421e+06 3.50e-12 1.13e-12 4.16e-05 2s 12 5.34631794e+06 5.34631422e+06 2.33e-12 3.65e-12 2.70e-05 3s Barrier solved model in 12 iterations and 2.65 seconds Optimal objective 5.34631794e+06