Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:37:10 2013 Optimize a model with 98000 rows, 147002 columns and 196000 nonzeros Model has 49000 quadratic constraints Presolve time: 0.11s Presolved: 98000 rows, 147002 columns, 196000 nonzeros Presolved model has 49000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.470e+05 Factor NZ : 3.430e+05 (roughly 100 MBytes of memory) Factor Ops : 1.225e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.18371578e+07 0.00000000e+00 5.64e-12 4.98e-01 2.94e+02 0s 1 8.48290690e+06 1.72889824e+06 7.31e-07 4.69e-05 4.59e+01 0s 2 6.36294491e+06 5.05378929e+06 1.40e-07 2.86e-06 8.91e+00 1s 3 5.84760861e+06 5.59424880e+06 3.10e-08 3.48e-07 1.72e+00 1s 4 5.70934022e+06 5.65825269e+06 2.67e-09 8.68e-08 3.48e-01 1s 5 5.68402687e+06 5.68037138e+06 2.88e-10 6.43e-10 2.49e-02 1s 6 5.68155683e+06 5.68075203e+06 7.00e-11 1.75e-11 5.47e-03 2s 7 5.68081890e+06 5.68076178e+06 4.20e-12 2.83e-12 3.89e-04 2s 8 5.68078589e+06 5.68076430e+06 1.71e-12 3.16e-12 1.47e-04 2s 9 5.68077842e+06 5.68076502e+06 1.68e-12 3.30e-12 9.12e-05 2s 10 5.68077467e+06 5.68076508e+06 1.71e-12 4.28e-12 6.52e-05 2s 11 5.68077127e+06 5.68076542e+06 1.06e-12 4.00e-12 3.98e-05 3s 12 5.68076953e+06 5.68076560e+06 9.81e-13 4.54e-12 2.67e-05 3s Barrier solved model in 12 iterations and 2.81 seconds Optimal objective 5.68076953e+06