Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:43:59 2013 Optimize a model with 840 rows, 1262 columns and 1680 nonzeros Model has 420 quadratic constraints Presolve time: 0.00s Presolved: 840 rows, 1262 columns, 1680 nonzeros Presolved model has 420 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.260e+03 Factor NZ : 2.943e+03 Factor Ops : 1.050e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.48765665e+05 0.00000000e+00 2.84e-14 4.62e-01 2.85e+02 0s 1 6.98971897e+04 1.58186985e+04 3.21e-09 4.88e-05 4.29e+01 0s 2 5.74448189e+04 4.53672744e+04 1.55e-08 7.89e-06 9.59e+00 0s 3 5.10491549e+04 4.96776106e+04 4.77e-09 1.52e-06 1.09e+00 0s 4 5.00747657e+04 5.00174439e+04 1.23e-10 4.73e-08 4.55e-02 0s 5 5.00533395e+04 5.00421279e+04 1.74e-11 1.10e-08 8.90e-03 0s 6 5.00501333e+04 5.00452925e+04 2.18e-12 6.34e-09 3.84e-03 0s 7 5.00498223e+04 5.00479965e+04 2.25e-11 2.13e-09 1.45e-03 0s 8 5.00496617e+04 5.00493387e+04 8.55e-12 3.05e-10 2.56e-04 0s 9 5.00495649e+04 5.00493574e+04 1.13e-12 2.78e-10 1.65e-04 0s 10 5.00495505e+04 5.00494251e+04 3.06e-13 1.77e-10 9.95e-05 0s 11 5.00495441e+04 5.00495104e+04 8.86e-10 5.27e-11 2.67e-05 0s Barrier solved model in 11 iterations and 0.03 seconds Optimal objective 5.00495441e+04