Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:45:33 2013 Optimize a model with 3600 rows, 5402 columns and 7200 nonzeros Model has 1800 quadratic constraints Presolve time: 0.00s Presolved: 3600 rows, 5402 columns, 7200 nonzeros Presolved model has 1800 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 5.400e+03 Factor NZ : 1.260e+04 (roughly 4 MBytes of memory) Factor Ops : 4.500e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.55574154e+06 0.00000000e+00 2.84e-14 4.86e-01 2.98e+02 0s 1 3.07967894e+05 6.20701372e+04 1.76e-08 4.98e-05 4.55e+01 0s 2 2.43612048e+05 1.84723185e+05 3.15e-08 6.11e-06 1.09e+01 0s 3 2.15613532e+05 2.06818391e+05 1.35e-08 1.21e-06 1.63e+00 0s 4 2.07933171e+05 2.07681820e+05 2.83e-10 5.03e-08 4.65e-02 0s 5 2.07857006e+05 2.07849288e+05 6.92e-12 1.64e-09 1.43e-03 0s 6 2.07855044e+05 2.07854208e+05 8.06e-10 5.02e-09 1.55e-04 0s 7 2.07854892e+05 2.07854409e+05 4.71e-09 4.18e-09 8.95e-05 0s 8 2.07854836e+05 2.07854501e+05 1.89e-10 3.27e-09 6.22e-05 0s 9 2.07854830e+05 2.07854622e+05 2.55e-11 2.05e-09 3.85e-05 0s Barrier solved model in 9 iterations and 0.07 seconds Optimal objective 2.07854830e+05