Gurobi 5.0.1 (linux64) logging started Tue Nov 20 05:48:37 2012 Optimize a model with 94 rows, 42 columns and 188 nonzeros Presolve removed 32 rows and 4 columns Presolve time: 0.00s Presolved: 62 rows, 38 columns, 132 nonzeros Variable types: 0 continuous, 38 integer (38 binary) Found heuristic solution: objective 18.0000000 Root relaxation: objective 1.900000e+01, 40 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 19.0000000 19.00000 0.0% - 0s Explored 0 nodes (40 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.900000000000e+01, best bound 1.900000000000e+01, gap 0.0%