Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:56:49 2013 Optimize a model with 17800 rows, 26702 columns and 35600 nonzeros Model has 8900 quadratic constraints Presolve time: 0.02s Presolved: 17800 rows, 26702 columns, 35600 nonzeros Presolved model has 8900 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.670e+04 Factor NZ : 6.230e+04 (roughly 20 MBytes of memory) Factor Ops : 2.225e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.72057863e+06 0.00000000e+00 1.99e-13 4.94e-01 2.99e+02 0s 1 1.53982534e+06 3.05591104e+05 7.55e-08 4.87e-05 4.62e+01 0s 2 1.14893272e+06 9.07360242e+05 4.36e-08 3.37e-06 9.05e+00 0s 3 1.05759153e+06 1.00800967e+06 9.08e-09 4.10e-07 1.86e+00 0s 4 1.02642680e+06 1.02223893e+06 3.97e-10 4.14e-08 1.57e-01 0s 5 1.02412672e+06 1.02407238e+06 7.97e-12 3.31e-11 2.04e-03 0s 6 1.02408582e+06 1.02407853e+06 1.22e-12 3.19e-13 2.73e-04 0s 7 1.02408050e+06 1.02407891e+06 6.54e-13 3.67e-13 5.96e-05 0s 8 1.02407954e+06 1.02407904e+06 3.98e-13 2.39e-12 1.89e-05 0s Barrier solved model in 8 iterations and 0.34 seconds Optimal objective 1.02407954e+06