Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:18:54 2013 Optimize a model with 72000 rows, 108002 columns and 144000 nonzeros Model has 36000 quadratic constraints Presolve time: 0.08s Presolved: 72000 rows, 108002 columns, 144000 nonzeros Presolved model has 36000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.080e+05 Factor NZ : 2.520e+05 (roughly 70 MBytes of memory) Factor Ops : 9.000e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.09814413e+07 0.00000000e+00 3.88e-12 5.00e-01 2.96e+02 0s 1 6.24103818e+06 1.26228130e+06 1.78e-06 4.74e-05 4.61e+01 0s 2 4.67204773e+06 3.70567682e+06 2.57e-07 2.91e-06 8.95e+00 0s 3 4.29229633e+06 4.10641738e+06 4.83e-08 7.28e-07 1.72e+00 1s 4 4.19009774e+06 4.15377601e+06 6.79e-09 1.82e-07 3.36e-01 1s 5 4.17183862e+06 4.17006927e+06 4.00e-10 3.82e-09 1.64e-02 1s 6 4.17077678e+06 4.17055018e+06 6.54e-11 1.33e-10 2.10e-03 1s 7 4.17059345e+06 4.17056861e+06 7.10e-12 6.85e-12 2.30e-04 1s 8 4.17057784e+06 4.17056995e+06 2.40e-12 3.46e-12 7.30e-05 1s 9 4.17057455e+06 4.17057013e+06 2.44e-12 4.38e-12 4.10e-05 2s 10 4.17057213e+06 4.17057024e+06 1.34e-12 8.28e-12 1.74e-05 2s Barrier solved model in 10 iterations and 1.70 seconds Optimal objective 4.17057213e+06