Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:06 2013 Optimize a model with 1000 rows, 1502 columns and 2000 nonzeros Model has 500 quadratic constraints Presolve time: 0.00s Presolved: 1000 rows, 1502 columns, 2000 nonzeros Presolved model has 500 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.500e+03 Factor NZ : 3.503e+03 (roughly 1 MByte of memory) Factor Ops : 1.250e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.29178184e+05 0.00000000e+00 2.84e-14 4.71e-01 2.96e+02 0s 1 8.39806850e+04 1.72706819e+04 9.43e-09 5.15e-05 4.45e+01 0s 2 6.37873508e+04 5.10014005e+04 1.23e-08 8.91e-06 8.52e+00 0s 3 5.87382644e+04 5.68579297e+04 8.31e-09 1.86e-06 1.25e+00 0s 4 5.72320751e+04 5.72128757e+04 6.71e-10 1.34e-07 1.28e-02 0s 5 5.72188257e+04 5.72174013e+04 1.23e-10 1.71e-08 9.50e-04 0s 6 5.72177568e+04 5.72174833e+04 3.17e-09 3.95e-09 1.82e-04 0s 7 5.72176184e+04 5.72175302e+04 1.14e-09 8.14e-12 5.88e-05 0s 8 5.72175887e+04 5.72175342e+04 7.16e-10 4.53e-12 3.63e-05 0s Barrier solved model in 8 iterations and 0.02 seconds Optimal objective 5.72175887e+04