Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:18 2013 Optimize a model with 1240 rows, 1862 columns and 2480 nonzeros Model has 620 quadratic constraints Presolve time: 0.00s Presolved: 1240 rows, 1862 columns, 2480 nonzeros Presolved model has 620 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.860e+03 Factor NZ : 4.343e+03 (roughly 1 MByte of memory) Factor Ops : 1.550e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.34642566e+05 0.00000000e+00 2.84e-14 5.32e-01 2.96e+02 0s 1 1.07750220e+05 2.32989044e+04 1.06e-08 4.95e-05 4.54e+01 0s 2 8.38327127e+04 6.68032720e+04 5.50e-09 7.11e-06 9.16e+00 0s 3 7.69947671e+04 7.40808507e+04 2.24e-09 1.06e-06 1.57e+00 0s 4 7.48939994e+04 7.47846569e+04 8.47e-10 1.28e-07 5.88e-02 0s 5 7.48410061e+04 7.48382527e+04 1.56e-11 3.07e-09 1.48e-03 0s 6 7.48397992e+04 7.48393712e+04 2.31e-10 6.66e-09 2.30e-04 0s 7 7.48397139e+04 7.48394868e+04 9.25e-11 3.91e-09 1.22e-04 0s 8 7.48396708e+04 7.48395237e+04 2.27e-11 3.04e-09 7.91e-05 0s 9 7.48396608e+04 7.48396387e+04 2.41e-09 6.72e-10 1.19e-05 0s Barrier solved model in 9 iterations and 0.03 seconds Optimal objective 7.48396608e+04