Gurobi 5.0.1 (linux64) logging started Tue Nov 20 05:48:48 2012 Optimize a model with 292 rows, 79 columns and 584 nonzeros Presolve removed 87 rows and 0 columns Presolve time: 0.00s Presolved: 205 rows, 79 columns, 481 nonzeros Variable types: 0 continuous, 79 integer (79 binary) Found heuristic solution: objective 26.0000000 Root relaxation: objective 3.098611e+01, 123 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 30.98611 0 71 26.00000 30.98611 19.2% - 0s H 0 0 30.0000000 30.98611 3.29% - 0s Explored 0 nodes (134 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.000000000000e+01, best bound 3.000000000000e+01, gap 0.0%