Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:50:36 2013 Optimize a model with 83 rows, 539 columns and 1071 nonzeros Presolve time: 0.00s Presolved: 83 rows, 539 columns, 1071 nonzeros Variable types: 532 continuous, 7 integer (7 binary) Root relaxation: objective 1.187939e+04, 46 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 11879.3909 0 2 - 11879.3909 - - 0s H 0 0 11946.000000 11879.3909 0.56% - 0s H 0 0 11901.000000 11879.3909 0.18% - 0s 0 0 cutoff 0 11901.0000 11901.0000 0.0% - 0s Cutting planes: Gomory: 1 Implied bound: 1 Flow cover: 2 Explored 0 nodes (48 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.190100000000e+04, best bound 1.190100000000e+04, gap 0.0%