Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:07:00 2013 Optimize a model with 126000 rows, 189002 columns and 252000 nonzeros Model has 63000 quadratic constraints Presolve time: 0.15s Presolved: 126000 rows, 189002 columns, 252000 nonzeros Presolved model has 63000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.890e+05 Factor NZ : 4.410e+05 (roughly 130 MBytes of memory) Factor Ops : 1.575e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.35305557e+07 0.00000000e+00 6.03e-12 5.00e-01 2.93e+02 0s 1 1.08734367e+07 2.23351067e+06 1.59e-06 4.62e-05 4.57e+01 1s 2 8.17103355e+06 6.51073389e+06 2.28e-07 2.75e-06 8.78e+00 1s 3 7.51369983e+06 7.19245088e+06 5.03e-08 3.36e-07 1.70e+00 1s 4 7.34022436e+06 7.27208182e+06 8.04e-09 8.86e-08 3.61e-01 2s 5 7.30529646e+06 7.29800988e+06 5.57e-10 1.17e-08 3.86e-02 2s 6 7.30352050e+06 7.30231547e+06 2.20e-10 9.00e-11 6.38e-03 2s 7 7.30240831e+06 7.30235248e+06 7.53e-12 4.63e-12 2.95e-04 2s 8 7.30237737e+06 7.30235459e+06 3.28e-12 6.65e-12 1.21e-04 3s 9 7.30236817e+06 7.30235497e+06 2.84e-12 6.56e-12 6.98e-05 3s 10 7.30236411e+06 7.30235510e+06 2.33e-12 1.89e-12 4.76e-05 3s 11 7.30236223e+06 7.30235518e+06 2.08e-12 2.09e-12 3.73e-05 3s Barrier solved model in 11 iterations and 3.46 seconds Optimal objective 7.30236223e+06