Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:13 2013 Optimize a model with 1140 rows, 1712 columns and 2280 nonzeros Model has 570 quadratic constraints Presolve time: 0.00s Presolved: 1140 rows, 1712 columns, 2280 nonzeros Presolved model has 570 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.710e+03 Factor NZ : 3.993e+03 (roughly 1 MByte of memory) Factor Ops : 1.426e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.94125580e+05 0.00000000e+00 2.84e-14 5.02e-01 2.98e+02 0s 1 9.88451198e+04 1.96688665e+04 5.07e-09 5.06e-05 4.63e+01 0s 2 7.35015924e+04 5.73232350e+04 1.85e-08 7.14e-06 9.46e+00 0s 3 6.72417346e+04 6.46307839e+04 2.89e-09 1.75e-06 1.53e+00 0s 4 6.51935116e+04 6.51446000e+04 9.97e-10 2.47e-07 2.86e-02 0s 5 6.51707453e+04 6.51670123e+04 2.00e-10 2.08e-08 2.18e-03 0s 6 6.51682372e+04 6.51674972e+04 6.69e-11 7.50e-09 4.33e-04 0s 7 6.51679591e+04 6.51677423e+04 4.24e-10 1.31e-09 1.27e-04 0s 8 6.51678458e+04 6.51677674e+04 1.51e-09 1.87e-09 4.59e-05 0s 9 6.51677855e+04 6.51677723e+04 2.61e-10 4.62e-11 7.70e-06 0s Barrier solved model in 9 iterations and 0.03 seconds Optimal objective 6.51677855e+04