Gurobi 5.0.1 (linux64) logging started Thu Jan 24 18:13:24 2013 Optimize a model with 5 rows, 100 columns and 500 nonzeros Presolve time: 0.00s Presolved: 5 rows, 100 columns, 500 nonzeros Variable types: 0 continuous, 100 integer (100 binary) Found heuristic solution: objective 39251.000000 Root relaxation: objective 4.356749e+04, 12 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 43567.4912 0 5 39251.0000 43567.4912 11.0% - 0s H 0 0 43016.000000 43567.4912 1.28% - 0s 0 0 43564.4907 0 7 43016.0000 43564.4907 1.28% - 0s H 0 0 43292.000000 43564.4907 0.63% - 0s 0 0 43563.0158 0 9 43292.0000 43563.0158 0.63% - 0s 0 0 43559.5915 0 10 43292.0000 43559.5915 0.62% - 0s 0 0 43559.1376 0 13 43292.0000 43559.1376 0.62% - 0s 0 2 43559.0345 0 13 43292.0000 43559.0345 0.62% - 0s H 194 134 43348.000000 43548.6374 0.46% 2.2 0s H 365 166 43441.000000 43546.0839 0.24% 2.2 0s Cutting planes: Gomory: 2 Cover: 1 Explored 4751 nodes (10312 simplex iterations) in 0.22 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 4.344100000000e+04, best bound 4.344500000000e+04, gap 0.0092%