Gurobi 5.0.1 (linux64) logging started Tue Jan 22 22:01:40 2013 Optimize a model with 166000 rows, 249002 columns and 332000 nonzeros Model has 83000 quadratic constraints Presolve time: 0.19s Presolved: 166000 rows, 249002 columns, 332000 nonzeros Presolved model has 83000 second-order cone constraints Ordering time: 0.03s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.490e+05 Factor NZ : 5.810e+05 (roughly 170 MBytes of memory) Factor Ops : 2.075e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.98431323e+07 0.00000000e+00 1.76e-11 4.99e-01 2.90e+02 0s 1 1.42728377e+07 2.96715557e+06 1.76e-06 4.54e-05 4.54e+01 1s 2 1.07554736e+07 8.59260480e+06 2.78e-07 2.68e-06 8.69e+00 1s 3 9.89536694e+06 9.48121545e+06 6.08e-08 3.22e-07 1.66e+00 2s 4 9.67611256e+06 9.58611447e+06 1.11e-08 7.74e-08 3.61e-01 2s 5 9.62584946e+06 9.61568540e+06 8.04e-10 1.15e-08 4.08e-02 2s 6 9.62317395e+06 9.62140730e+06 3.18e-10 1.16e-11 7.09e-03 3s 7 9.62173711e+06 9.62141441e+06 5.75e-11 6.54e-12 1.30e-03 3s 8 9.62156934e+06 9.62141883e+06 2.71e-11 2.71e-12 6.04e-04 3s 9 9.62145696e+06 9.62142039e+06 6.25e-12 1.27e-12 1.47e-04 4s 10 9.62142955e+06 9.62142219e+06 1.26e-12 2.86e-12 2.96e-05 4s Barrier solved model in 10 iterations and 4.14 seconds Optimal objective 9.62142955e+06