Gurobi 5.0.1 (linux64) logging started Thu Jan 24 20:12:21 2013 Optimize a model with 10 rows, 100 columns and 1000 nonzeros Presolve time: 0.00s Presolved: 10 rows, 100 columns, 1000 nonzeros Variable types: 0 continuous, 100 integer (100 binary) Found heuristic solution: objective 55822.000000 Root relaxation: objective 5.865469e+04, 22 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 58654.6924 0 10 55822.0000 58654.6924 5.07% - 0s H 0 0 58184.000000 58654.6924 0.81% - 0s 0 0 58645.1976 0 12 58184.0000 58645.1976 0.79% - 0s 0 0 58639.2570 0 11 58184.0000 58639.2570 0.78% - 0s 0 0 58635.3026 0 13 58184.0000 58635.3026 0.78% - 0s 0 0 58634.4880 0 13 58184.0000 58634.4880 0.77% - 0s H 0 0 58270.000000 58634.4880 0.63% - 0s 0 2 58630.1220 0 13 58270.0000 58630.1220 0.62% - 0s H 537 371 58308.000000 58608.3264 0.52% 3.1 0s H 614 398 58354.000000 58605.4130 0.43% 3.1 0s H 3181 1377 58391.000000 58568.5145 0.30% 3.4 0s Cutting planes: Gomory: 4 MIR: 1 Explored 78052 nodes (259716 simplex iterations) in 4.21 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.839100000000e+04, best bound 5.839600000000e+04, gap 0.0086%