Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:45:16 2013 Optimize a model with 2200 rows, 3302 columns and 4400 nonzeros Model has 1100 quadratic constraints Presolve time: 0.00s Presolved: 2200 rows, 3302 columns, 4400 nonzeros Presolved model has 1100 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 3.300e+03 Factor NZ : 7.703e+03 (roughly 2 MBytes of memory) Factor Ops : 2.750e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 9.49926209e+05 0.00000000e+00 2.84e-14 4.83e-01 2.98e+02 0s 1 1.88905515e+05 3.79748489e+04 1.46e-08 4.99e-05 4.57e+01 0s 2 1.42286687e+05 1.12557674e+05 4.87e-08 6.36e-06 9.01e+00 0s 3 1.29775554e+05 1.25600599e+05 1.10e-08 7.88e-07 1.27e+00 0s 4 1.26830991e+05 1.26651273e+05 1.88e-09 1.23e-07 5.45e-02 0s 5 1.26766270e+05 1.26764534e+05 4.19e-11 1.06e-08 5.26e-04 0s 6 1.26765419e+05 1.26765088e+05 1.11e-09 4.04e-09 1.00e-04 0s 7 1.26765263e+05 1.26765136e+05 7.82e-11 2.83e-09 3.84e-05 0s Barrier solved model in 7 iterations and 0.04 seconds Optimal objective 1.26765263e+05