Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:00 2013 Optimize a model with 860 rows, 1292 columns and 1720 nonzeros Model has 430 quadratic constraints Presolve time: 0.00s Presolved: 860 rows, 1292 columns, 1720 nonzeros Presolved model has 430 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.290e+03 Factor NZ : 3.013e+03 Factor Ops : 1.076e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.66223391e+05 0.00000000e+00 2.84e-14 4.96e-01 2.94e+02 0s 1 7.51389190e+04 1.59035174e+04 6.56e-09 5.10e-05 4.59e+01 0s 2 5.96942149e+04 4.52318683e+04 6.76e-09 6.81e-06 1.12e+01 0s 3 5.21968198e+04 5.09136238e+04 5.01e-09 1.02e-06 9.95e-01 0s 4 5.10508760e+04 5.10080101e+04 1.53e-10 6.52e-08 3.32e-02 0s 5 5.10213437e+04 5.10132270e+04 2.59e-11 1.67e-08 6.29e-03 0s 6 5.10158579e+04 5.10141527e+04 8.85e-10 8.40e-09 1.32e-03 0s 7 5.10154698e+04 5.10148289e+04 1.34e-09 2.87e-09 4.97e-04 0s 8 5.10153343e+04 5.10152428e+04 3.01e-09 3.04e-09 7.09e-05 0s 9 5.10152951e+04 5.10152574e+04 1.16e-09 1.40e-09 2.93e-05 0s Barrier solved model in 9 iterations and 0.02 seconds Optimal objective 5.10152951e+04