Gurobi 5.0.1 (linux64) logging started Tue Jan 22 22:06:38 2013 Optimize a model with 168000 rows, 252002 columns and 336000 nonzeros Model has 84000 quadratic constraints Presolve time: 0.20s Presolved: 168000 rows, 252002 columns, 336000 nonzeros Presolved model has 84000 second-order cone constraints Ordering time: 0.03s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.520e+05 Factor NZ : 5.880e+05 (roughly 170 MBytes of memory) Factor Ops : 2.100e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.06680835e+07 0.00000000e+00 1.50e-11 4.98e-01 2.90e+02 0s 1 1.44415279e+07 2.99678095e+06 2.87e-06 4.53e-05 4.54e+01 1s 2 1.08681216e+07 8.67190642e+06 4.15e-07 2.70e-06 8.72e+00 1s 3 1.00190961e+07 9.57360039e+06 9.20e-08 3.28e-07 1.77e+00 2s 4 9.74019857e+06 9.70733177e+06 4.96e-09 1.97e-08 1.30e-01 2s 5 9.71980644e+06 9.71771932e+06 4.29e-10 1.33e-10 8.28e-03 2s 6 9.71807064e+06 9.71780560e+06 4.83e-11 4.00e-11 1.05e-03 3s 7 9.71796658e+06 9.71784904e+06 2.53e-11 6.81e-12 4.66e-04 3s 8 9.71787004e+06 9.71785117e+06 4.21e-12 2.80e-12 7.49e-05 3s 9 9.71786005e+06 9.71785243e+06 1.90e-12 1.02e-11 3.02e-05 4s Barrier solved model in 9 iterations and 3.90 seconds Optimal objective 9.71786005e+06