Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:43:57 2013 Optimize a model with 800 rows, 1202 columns and 1600 nonzeros Model has 400 quadratic constraints Presolve time: 0.00s Presolved: 800 rows, 1202 columns, 1600 nonzeros Presolved model has 400 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.200e+03 Factor NZ : 2.803e+03 Factor Ops : 1.000e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.24949287e+05 0.00000000e+00 4.26e-14 4.52e-01 2.80e+02 0s 1 6.86878378e+04 1.41292484e+04 5.27e-09 5.23e-05 4.55e+01 0s 2 5.05386825e+04 3.93319979e+04 6.49e-09 7.74e-06 9.34e+00 0s 3 4.53404598e+04 4.41986079e+04 1.83e-09 2.08e-06 9.52e-01 0s 4 4.48980906e+04 4.48763600e+04 6.54e-10 1.80e-07 1.81e-02 0s 5 4.48853502e+04 4.48834885e+04 1.80e-10 1.86e-08 1.55e-03 0s 6 4.48844208e+04 4.48839116e+04 3.44e-11 7.27e-09 4.24e-04 0s 7 4.48843023e+04 4.48841800e+04 3.54e-09 5.23e-10 1.02e-04 0s 8 4.48842239e+04 4.48841930e+04 9.71e-10 4.41e-11 2.58e-05 0s Barrier solved model in 8 iterations and 0.02 seconds Optimal objective 4.48842239e+04