Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:46:47 2013 Optimize a model with 7000 rows, 10502 columns and 14000 nonzeros Model has 3500 quadratic constraints Presolve time: 0.01s Presolved: 7000 rows, 10502 columns, 14000 nonzeros Presolved model has 3500 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.050e+04 Factor NZ : 2.450e+04 (roughly 7 MBytes of memory) Factor Ops : 8.750e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.00900324e+06 0.00000000e+00 5.68e-14 4.93e-01 2.96e+02 0s 1 5.98629318e+05 1.19895955e+05 3.86e-08 4.90e-05 4.56e+01 0s 2 4.48505193e+05 3.54393074e+05 5.29e-08 6.25e-06 8.96e+00 0s 3 4.11794660e+05 3.93771606e+05 5.06e-09 9.47e-07 1.72e+00 0s 4 4.00404964e+05 3.99200949e+05 4.34e-10 1.36e-07 1.15e-01 0s 5 4.00047899e+05 4.00033289e+05 1.27e-11 3.23e-10 1.39e-03 0s 6 4.00038857e+05 4.00035924e+05 2.84e-12 2.70e-11 2.79e-04 0s 7 4.00036869e+05 4.00036163e+05 9.02e-13 7.47e-12 6.73e-05 0s 8 4.00036450e+05 4.00036272e+05 2.34e-13 1.35e-12 1.70e-05 0s Barrier solved model in 8 iterations and 0.13 seconds Optimal objective 4.00036450e+05