Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:26 2013 Optimize a model with 1380 rows, 2072 columns and 2760 nonzeros Model has 690 quadratic constraints Presolve time: 0.00s Presolved: 1380 rows, 2072 columns, 2760 nonzeros Presolved model has 690 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.070e+03 Factor NZ : 4.833e+03 (roughly 1 MByte of memory) Factor Ops : 1.726e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.79793175e+05 0.00000000e+00 2.84e-14 4.48e-01 2.90e+02 0s 1 1.16725170e+05 2.29688241e+04 1.85e-09 5.15e-05 4.53e+01 0s 2 8.58229477e+04 6.71067781e+04 1.42e-08 6.96e-06 9.04e+00 0s 3 7.77957779e+04 7.59530167e+04 2.94e-09 1.37e-06 8.90e-01 0s 4 7.64641164e+04 7.63282656e+04 1.37e-10 2.17e-07 6.56e-02 0s 5 7.63954821e+04 7.63759676e+04 5.12e-13 6.07e-08 9.43e-03 0s 6 7.63948139e+04 7.63909187e+04 1.99e-13 1.14e-08 1.88e-03 0s 7 7.63943361e+04 7.63937051e+04 1.42e-14 2.09e-09 3.05e-04 0s 8 7.63942748e+04 7.63941508e+04 3.94e-10 3.07e-09 5.99e-05 0s 9 7.63942584e+04 7.63942130e+04 1.43e-10 1.10e-09 2.19e-05 0s Barrier solved model in 9 iterations and 0.03 seconds Optimal objective 7.63942584e+04