Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:04 2013 Optimize a model with 960 rows, 1442 columns and 1920 nonzeros Model has 480 quadratic constraints Presolve time: 0.00s Presolved: 960 rows, 1442 columns, 1920 nonzeros Presolved model has 480 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.440e+03 Factor NZ : 3.363e+03 Factor Ops : 1.200e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.13924609e+05 0.00000000e+00 2.84e-14 4.91e-01 2.97e+02 0s 1 8.35869803e+04 1.70059908e+04 9.84e-09 5.11e-05 4.62e+01 0s 2 6.25300647e+04 4.89068963e+04 2.86e-09 7.42e-06 9.46e+00 0s 3 5.73894346e+04 5.48194582e+04 5.92e-09 1.74e-06 1.78e+00 0s 4 5.55595688e+04 5.55054579e+04 1.40e-09 1.80e-07 3.76e-02 0s 5 5.55355398e+04 5.55240695e+04 4.41e-10 5.37e-09 7.97e-03 0s 6 5.55261306e+04 5.55246607e+04 6.47e-11 3.26e-09 1.02e-03 0s 7 5.55251397e+04 5.55247391e+04 3.59e-10 5.73e-11 2.78e-04 0s 8 5.55249538e+04 5.55247686e+04 8.80e-10 3.10e-09 1.29e-04 0s 9 5.55248343e+04 5.55247773e+04 2.47e-10 1.55e-09 3.96e-05 0s 10 5.55248076e+04 5.55247899e+04 8.27e-11 1.81e-10 1.23e-05 0s Barrier solved model in 10 iterations and 0.03 seconds Optimal objective 5.55248076e+04