Gurobi 5.0.1 (linux64) logging started Tue Nov 20 12:32:01 2012 Optimize a model with 105 rows, 70 columns and 210 nonzeros Presolve removed 73 rows and 45 columns Presolve time: 0.00s Presolved: 32 rows, 25 columns, 65 nonzeros Variable types: 0 continuous, 25 integer (25 binary) Found heuristic solution: objective 36.0000000 Root relaxation: objective 3.850000e+01, 27 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 38.50000 0 11 36.00000 38.50000 6.94% - 0s H 0 0 38.0000000 38.50000 1.32% - 0s Explored 0 nodes (31 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.800000000000e+01, best bound 3.800000000000e+01, gap 0.0%