Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:54:15 2013 Optimize a model with 15800 rows, 23702 columns and 31600 nonzeros Model has 7900 quadratic constraints Presolve time: 0.02s Presolved: 15800 rows, 23702 columns, 31600 nonzeros Presolved model has 7900 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.370e+04 Factor NZ : 5.530e+04 (roughly 16 MBytes of memory) Factor Ops : 1.975e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.86589277e+06 0.00000000e+00 1.85e-13 4.94e-01 2.99e+02 0s 1 1.37039983e+06 2.75154263e+05 2.12e-08 4.88e-05 4.62e+01 0s 2 1.02959455e+06 8.16354611e+05 6.15e-08 3.66e-06 9.00e+00 0s 3 9.45217845e+05 9.00987408e+05 1.45e-08 4.92e-07 1.87e+00 0s 4 9.25305533e+05 9.13019909e+05 3.48e-09 1.49e-07 5.18e-01 0s 5 9.19777751e+05 9.15693703e+05 6.25e-10 7.44e-08 1.72e-01 0s 6 9.18910565e+05 9.16881008e+05 1.96e-10 4.23e-08 8.56e-02 0s 7 9.18672404e+05 9.18455410e+05 9.23e-11 4.38e-11 9.16e-03 0s 8 9.18488949e+05 9.18457702e+05 1.38e-11 1.32e-12 1.32e-03 0s 9 9.18471444e+05 9.18457991e+05 5.97e-12 3.33e-13 5.68e-04 0s 10 9.18467498e+05 9.18458070e+05 4.86e-12 2.24e-13 3.98e-04 0s 11 9.18465100e+05 9.18458110e+05 4.92e-12 3.49e-13 2.95e-04 0s 12 9.18464666e+05 9.18458150e+05 4.77e-12 2.52e-13 2.75e-04 0s 13 9.18463344e+05 9.18458154e+05 4.33e-12 1.34e-12 2.19e-04 0s 14 9.18462202e+05 9.18458161e+05 4.04e-12 1.08e-12 1.70e-04 0s 15 9.18462004e+05 9.18458171e+05 3.85e-12 1.44e-12 1.62e-04 1s 16 9.18460641e+05 9.18458298e+05 2.39e-12 1.03e-10 9.89e-05 1s 17 9.18460197e+05 9.18458348e+05 1.90e-12 6.77e-11 7.80e-05 1s 18 9.18459511e+05 9.18458423e+05 1.19e-12 3.02e-11 4.59e-05 1s 19 9.18459062e+05 9.18458447e+05 6.25e-13 6.46e-11 2.60e-05 1s Barrier solved model in 19 iterations and 0.66 seconds Optimal objective 9.18459062e+05