Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:51:00 2013 Optimize a model with 12800 rows, 19202 columns and 25600 nonzeros Model has 6400 quadratic constraints Presolve time: 0.01s Presolved: 12800 rows, 19202 columns, 25600 nonzeros Presolved model has 6400 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.920e+04 Factor NZ : 4.480e+04 (roughly 13 MBytes of memory) Factor Ops : 1.600e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.59748709e+06 0.00000000e+00 1.28e-13 5.05e-01 3.01e+02 0s 1 1.11689565e+06 2.21974519e+05 9.08e-08 4.89e-05 4.66e+01 0s 2 8.33799231e+05 6.57547096e+05 5.34e-08 3.89e-06 9.18e+00 0s 3 7.64225972e+05 7.29153667e+05 1.22e-08 4.86e-07 1.83e+00 0s 4 7.44021746e+05 7.38918825e+05 3.14e-10 1.37e-07 2.66e-01 0s 5 7.43197521e+05 7.42842810e+05 4.50e-11 5.01e-09 1.85e-02 0s 6 7.43009192e+05 7.43005819e+05 4.83e-13 3.86e-12 1.76e-04 0s 7 7.43006839e+05 7.43006240e+05 1.87e-09 5.27e-11 3.12e-05 0s Barrier solved model in 7 iterations and 0.23 seconds Optimal objective 7.43006839e+05