Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:31 2013 Optimize a model with 1440 rows, 2162 columns and 2880 nonzeros Model has 720 quadratic constraints Presolve time: 0.00s Presolved: 1440 rows, 2162 columns, 2880 nonzeros Presolved model has 720 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.160e+03 Factor NZ : 5.043e+03 (roughly 1 MByte of memory) Factor Ops : 1.800e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.94262149e+05 0.00000000e+00 4.26e-14 4.77e-01 2.85e+02 0s 1 1.20401380e+05 2.58273510e+04 2.92e-09 4.90e-05 4.38e+01 0s 2 9.19874496e+04 7.38067402e+04 2.51e-08 8.56e-06 8.42e+00 0s 3 8.39685903e+04 8.17479651e+04 2.53e-09 1.71e-06 1.03e+00 0s 4 8.27682385e+04 8.25874937e+04 1.05e-10 2.25e-07 8.37e-02 0s 5 8.27119818e+04 8.26590226e+04 2.13e-12 9.26e-08 2.45e-02 0s 6 8.27104968e+04 8.26938869e+04 8.88e-13 2.77e-08 7.69e-03 0s 7 8.27091249e+04 8.26979452e+04 2.56e-13 1.99e-08 5.18e-03 0s 8 8.27087703e+04 8.27005272e+04 1.42e-13 1.49e-08 3.82e-03 0s 9 8.27084446e+04 8.27074220e+04 1.14e-13 1.46e-09 4.73e-04 0s 10 8.27081108e+04 8.27078026e+04 1.42e-14 5.65e-10 1.43e-04 0s 11 8.27080585e+04 8.27078120e+04 2.31e-12 5.36e-10 1.14e-04 0s 12 8.27080342e+04 8.27078559e+04 1.42e-12 4.10e-10 8.25e-05 0s 13 8.27080280e+04 8.27079194e+04 1.24e-12 2.15e-10 5.03e-05 0s 14 8.27080161e+04 8.27079283e+04 7.32e-13 1.86e-10 4.07e-05 0s 15 8.27080086e+04 8.27079308e+04 5.61e-13 1.77e-10 3.60e-05 0s Barrier solved model in 15 iterations and 0.05 seconds Optimal objective 8.27080086e+04