Gurobi 5.0.1 (linux64) logging started Thu Jan 24 18:13:09 2013 Optimize a model with 5 rows, 100 columns and 500 nonzeros Presolve time: 0.00s Presolved: 5 rows, 100 columns, 500 nonzeros Variable types: 0 continuous, 100 integer (100 binary) Found heuristic solution: objective 21525.000000 Root relaxation: objective 2.579340e+04, 10 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 25793.4018 0 5 21525.0000 25793.4018 19.8% - 0s H 0 0 25159.000000 25793.4018 2.52% - 0s 0 0 25778.6723 0 8 25159.0000 25778.6723 2.46% - 0s 0 0 25774.8650 0 9 25159.0000 25774.8650 2.45% - 0s 0 0 25774.3551 0 10 25159.0000 25774.3551 2.45% - 0s H 0 0 25374.000000 25774.3551 1.58% - 0s 0 2 25774.0462 0 10 25374.0000 25774.0462 1.58% - 0s H 74 55 25521.000000 25767.0741 0.96% 2.7 0s H 336 174 25591.000000 25743.9427 0.60% 2.3 0s Cutting planes: Gomory: 3 Cover: 1 MIR: 7 Explored 5258 nodes (11884 simplex iterations) in 0.26 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.559100000000e+04, best bound 2.559300000000e+04, gap 0.0078%