Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:58:55 2013 Optimize a model with 120000 rows, 180002 columns and 240000 nonzeros Model has 60000 quadratic constraints Presolve time: 0.14s Presolved: 120000 rows, 180002 columns, 240000 nonzeros Presolved model has 60000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.800e+05 Factor NZ : 4.200e+05 (roughly 120 MBytes of memory) Factor Ops : 1.500e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.11879907e+07 0.00000000e+00 5.43e-12 5.04e-01 2.94e+02 0s 1 1.03869475e+07 2.12173340e+06 4.93e-07 4.65e-05 4.59e+01 0s 2 7.78997800e+06 6.19512196e+06 7.09e-08 2.80e-06 8.86e+00 1s 3 7.16013624e+06 6.85428221e+06 1.56e-08 3.37e-07 1.70e+00 1s 4 7.00502595e+06 6.93073779e+06 3.53e-09 8.59e-08 4.13e-01 1s 5 6.96225954e+06 6.93767749e+06 2.21e-10 6.38e-08 1.37e-01 2s 6 6.95937811e+06 6.95042297e+06 4.51e-11 2.47e-08 4.98e-02 2s 7 6.95895003e+06 6.95846068e+06 2.15e-11 2.83e-10 2.72e-03 2s 8 6.95858613e+06 6.95854253e+06 1.72e-12 4.58e-11 2.42e-04 2s 9 6.95856865e+06 6.95855589e+06 7.78e-13 5.59e-12 7.09e-05 3s 10 6.95856278e+06 6.95855677e+06 7.53e-13 2.69e-12 3.34e-05 3s Barrier solved model in 10 iterations and 2.94 seconds Optimal objective 6.95856278e+06