Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:43:51 2013 Optimize a model with 620 rows, 932 columns and 1240 nonzeros Model has 310 quadratic constraints Presolve time: 0.00s Presolved: 620 rows, 932 columns, 1240 nonzeros Presolved model has 310 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 9.300e+02 Factor NZ : 2.173e+03 Factor Ops : 7.755e+03 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.58414406e+05 0.00000000e+00 2.84e-14 4.57e-01 2.88e+02 0s 1 5.06193000e+04 1.02053067e+04 7.11e-09 4.96e-05 4.35e+01 0s 2 3.81310576e+04 3.02834867e+04 1.07e-08 8.48e-06 8.44e+00 0s 3 3.47747062e+04 3.40164280e+04 1.79e-09 1.58e-06 8.15e-01 0s 4 3.42266840e+04 3.41985356e+04 4.66e-11 1.07e-07 3.03e-02 0s 5 3.42129050e+04 3.42073338e+04 6.20e-12 2.95e-08 5.99e-03 0s 6 3.42107288e+04 3.42093704e+04 1.28e-13 1.13e-08 1.46e-03 0s 7 3.42106620e+04 3.42103759e+04 2.06e-13 2.46e-09 3.08e-04 0s 8 3.42106531e+04 3.42106370e+04 3.04e-09 2.22e-09 1.73e-05 0s Barrier solved model in 8 iterations and 0.02 seconds Optimal objective 3.42106531e+04