Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:05 2013 Optimize a model with 980 rows, 1472 columns and 1960 nonzeros Model has 490 quadratic constraints Presolve time: 0.00s Presolved: 980 rows, 1472 columns, 1960 nonzeros Presolved model has 490 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.470e+03 Factor NZ : 3.433e+03 (roughly 1 MByte of memory) Factor Ops : 1.226e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.03188317e+05 0.00000000e+00 2.84e-14 4.42e-01 2.84e+02 0s 1 7.96770820e+04 1.65754304e+04 3.34e-09 4.90e-05 4.29e+01 0s 2 6.04737528e+04 4.83256594e+04 1.96e-08 8.59e-06 8.26e+00 0s 3 5.52628322e+04 5.37379278e+04 3.62e-09 1.63e-06 1.04e+00 0s 4 5.44318588e+04 5.43484368e+04 1.89e-10 7.99e-08 5.67e-02 0s 5 5.43842470e+04 5.43757915e+04 2.15e-11 5.49e-09 5.75e-03 0s 6 5.43783733e+04 5.43773923e+04 3.87e-09 8.03e-10 6.67e-04 0s 7 5.43780316e+04 5.43779238e+04 9.78e-10 8.00e-10 7.34e-05 0s 8 5.43779728e+04 5.43779612e+04 1.22e-10 4.72e-11 7.90e-06 0s Barrier solved model in 8 iterations and 0.02 seconds Optimal objective 5.43779728e+04