Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:09 2013 Optimize a model with 1060 rows, 1592 columns and 2120 nonzeros Model has 530 quadratic constraints Presolve time: 0.00s Presolved: 1060 rows, 1592 columns, 2120 nonzeros Presolved model has 530 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.590e+03 Factor NZ : 3.713e+03 (roughly 1 MByte of memory) Factor Ops : 1.326e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.46763413e+05 0.00000000e+00 2.84e-14 4.91e-01 2.89e+02 0s 1 8.91608176e+04 1.95692333e+04 4.23e-09 4.90e-05 4.38e+01 0s 2 7.26708809e+04 5.63710707e+04 3.77e-08 8.21e-06 1.03e+01 0s 3 6.44039035e+04 6.24354440e+04 9.76e-09 1.29e-06 1.24e+00 0s 4 6.26700664e+04 6.25982781e+04 1.42e-09 2.49e-07 4.51e-02 0s 5 6.26615385e+04 6.26509361e+04 7.68e-10 1.88e-08 6.67e-03 0s 6 6.26532414e+04 6.26518593e+04 8.70e-11 4.01e-09 8.69e-04 0s 7 6.26525733e+04 6.26520075e+04 3.37e-11 2.00e-09 3.56e-04 0s 8 6.26523482e+04 6.26521328e+04 1.47e-11 3.34e-10 1.35e-04 0s 9 6.26522392e+04 6.26521553e+04 6.07e-12 6.31e-11 5.28e-05 0s 10 6.26522040e+04 6.26521610e+04 3.28e-12 1.16e-11 2.70e-05 0s Barrier solved model in 10 iterations and 0.03 seconds Optimal objective 6.26522040e+04