Gurobi 5.0.1 (linux64) logging started Wed Apr 24 08:16:16 2013 Optimize a model with 93312 rows, 92352 columns and 368832 nonzeros Presolve removed 96 rows and 0 columns Presolve time: 0.46s Presolved: 93216 rows, 92352 columns, 368736 nonzeros Variable types: 92256 continuous, 96 integer (96 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 10017 8.2963929e+04 2.824590e+04 0.000000e+00 5s 11574 8.3924664e+04 2.381314e+03 0.000000e+00 10s 12526 8.4037557e+04 0.000000e+00 0.000000e+00 13s Root relaxation: objective 8.403756e+04, 12526 iterations, 13.10 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 84037.5574 0 70 - 84037.5574 - - 14s H 0 0 158546.00000 84037.5574 47.0% - 28s 0 0 107103.768 0 24 158546.000 107103.768 32.4% - 57s H 0 0 142798.00000 107103.768 25.0% - 61s 0 0 121086.429 0 10 142798.000 121086.429 15.2% - 75s H 0 0 141760.76594 121086.429 14.6% - 75s H 0 0 132813.00000 121086.429 8.83% - 76s 0 0 122190.405 0 4 132813.000 122190.405 8.00% - 77s H 0 0 125310.10623 122190.405 2.49% - 78s H 0 0 125084.00000 122190.405 2.31% - 78s H 0 0 122491.00000 122190.405 0.25% - 78s 0 2 122195.721 0 4 122491.000 122195.721 0.24% - 82s H 7 6 122458.19588 122261.688 0.16% 126 83s 11 9 122372.170 8 2 122458.196 122269.984 0.15% 188 85s * 15 8 11 122452.00000 122269.984 0.15% 209 86s H 35 17 122434.00000 122280.215 0.13% 174 88s * 38 17 14 122420.00000 122280.215 0.11% 174 89s 43 20 122399.200 9 1 122420.000 122303.344 0.10% 172 90s * 65 9 8 122377.00000 122342.991 0.03% 164 92s Cutting planes: Gomory: 1 Implied bound: 96 Explored 70 nodes (43161 simplex iterations) in 93.17 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.223770000000e+05, best bound 1.223648807890e+05, gap 0.0099%