Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:33 2013 Optimize a model with 1480 rows, 2222 columns and 2960 nonzeros Model has 740 quadratic constraints Presolve time: 0.00s Presolved: 1480 rows, 2222 columns, 2960 nonzeros Presolved model has 740 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.220e+03 Factor NZ : 5.183e+03 (roughly 2 MBytes of memory) Factor Ops : 1.850e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.36945938e+05 0.00000000e+00 2.84e-14 4.70e-01 2.96e+02 0s 1 1.24092217e+05 2.45709185e+04 4.57e-09 4.88e-05 4.48e+01 0s 2 9.32138999e+04 7.34470762e+04 2.21e-08 6.44e-06 8.90e+00 0s 3 8.50842466e+04 8.19088028e+04 4.05e-09 9.59e-07 1.43e+00 0s 4 8.31881600e+04 8.30554541e+04 4.61e-10 1.31e-07 5.98e-02 0s 5 8.31402561e+04 8.31376576e+04 1.60e-11 1.37e-09 1.17e-03 0s 6 8.31386714e+04 8.31383261e+04 4.21e-10 6.73e-10 1.56e-04 0s 7 8.31385498e+04 8.31384793e+04 1.24e-10 3.66e-11 3.18e-05 0s Barrier solved model in 7 iterations and 0.03 seconds Optimal objective 8.31385498e+04