Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:34:31 2013 Optimize a model with 94000 rows, 141002 columns and 188000 nonzeros Model has 47000 quadratic constraints Presolve time: 0.10s Presolved: 94000 rows, 141002 columns, 188000 nonzeros Presolved model has 47000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.410e+05 Factor NZ : 3.290e+05 (roughly 100 MBytes of memory) Factor Ops : 1.175e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.03470718e+07 0.00000000e+00 5.74e-12 5.05e-01 2.96e+02 0s 1 8.16634224e+06 1.66239574e+06 3.73e-07 4.69e-05 4.61e+01 0s 2 6.12312521e+06 4.86563492e+06 5.37e-08 2.84e-06 8.92e+00 1s 3 5.62597425e+06 5.38520377e+06 1.17e-08 3.47e-07 1.71e+00 1s 4 5.49051874e+06 5.44677719e+06 1.40e-09 8.71e-08 3.10e-01 1s 5 5.46997712e+06 5.46834308e+06 7.87e-11 7.01e-10 1.16e-02 1s 6 5.46872196e+06 5.46864037e+06 4.52e-12 1.64e-11 5.79e-04 1s 7 5.46866550e+06 5.46864803e+06 1.17e-12 2.95e-12 1.24e-04 2s 8 5.46865288e+06 5.46864860e+06 8.24e-13 4.59e-12 3.03e-05 2s Barrier solved model in 8 iterations and 1.85 seconds Optimal objective 5.46865288e+06