Gurobi 5.0.1 (linux64) logging started Wed Apr 24 04:33:58 2013 Optimize a model with 71568 rows, 70728 columns and 282408 nonzeros Presolve removed 84 rows and 0 columns Presolve time: 0.34s Presolved: 71484 rows, 70728 columns, 282324 nonzeros Variable types: 70644 continuous, 84 integer (84 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 8314 7.6374016e+04 2.691813e+04 0.000000e+00 5s 10096 7.7082634e+04 0.000000e+00 0.000000e+00 10s Root relaxation: objective 7.708263e+04, 10096 iterations, 9.94 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 77082.6337 0 67 - 77082.6337 - - 10s H 0 0 140862.00000 77082.6337 45.3% - 18s 0 0 103492.540 0 25 140862.000 103492.540 26.5% - 40s H 0 0 127091.00000 103492.540 18.6% - 41s 0 0 113064.761 0 6 127091.000 113064.761 11.0% - 49s 0 0 113482.798 0 3 127091.000 113482.798 10.7% - 50s H 0 0 118136.17266 113482.798 3.94% - 50s H 0 0 117754.00000 113482.798 3.63% - 50s H 0 0 117123.00000 113482.798 3.11% - 51s H 0 0 114574.00000 113482.798 0.95% - 52s 0 2 113483.324 0 3 114574.000 113483.324 0.95% - 54s 1 3 113570.055 1 3 114574.000 113570.055 0.88% 252 55s H 2 2 114426.16964 113570.055 0.75% 126 55s H 3 3 114124.26923 113611.690 0.45% 136 55s H 7 6 114064.15344 113611.690 0.40% 255 56s * 11 5 9 113911.00000 113611.690 0.26% 282 57s 27 4 113893.482 4 1 113911.000 113852.059 0.05% 248 60s Cutting planes: Gomory: 1 Implied bound: 84 MIR: 1 Explored 39 nodes (33978 simplex iterations) in 60.56 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.139110000000e+05, best bound 1.139110000000e+05, gap 0.0%