Gurobi 5.0.1 (linux64) logging started Tue Nov 20 05:48:36 2012 Optimize a model with 63 rows, 35 columns and 126 nonzeros Presolve removed 14 rows and 2 columns Presolve time: 0.00s Presolved: 49 rows, 33 columns, 104 nonzeros Variable types: 0 continuous, 33 integer (33 binary) Found heuristic solution: objective 14.0000000 Root relaxation: objective 1.616667e+01, 38 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 16.16667 0 32 14.00000 16.16667 15.5% - 0s H 0 0 16.0000000 16.16667 1.04% - 0s Explored 0 nodes (44 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.600000000000e+01, best bound 1.600000000000e+01, gap 0.0%