Gurobi 5.0.1 (linux64) logging started Mon Feb 4 16:00:42 2013 Optimize a model with 25 rows, 25 columns and 75 nonzeros Presolve removed 17 rows and 14 columns Presolve time: 0.00s Presolved: 8 rows, 11 columns, 28 nonzeros Variable types: 3 continuous, 8 integer (8 binary) Found heuristic solution: objective 143.0000000 Root relaxation: objective 1.283478e+02, 10 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 128.34783 0 3 143.00000 128.34783 10.2% - 0s H 0 0 132.0000000 128.34783 2.77% - 0s H 0 0 131.0000000 128.34783 2.02% - 0s 0 0 cutoff 0 131.00000 130.00013 0.76% - 0s Explored 0 nodes (11 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.310000000000e+02, best bound 1.310000000000e+02, gap 0.0%