Gurobi 5.0.1 (linux64) logging started Thu Jan 24 20:12:26 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 58750.000000 Root relaxation: objective 6.117024e+04, 30 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 61170.2374 0 9 58750.0000 61170.2374 4.12% - 0s H 0 0 60716.000000 61170.2374 0.75% - 0s 0 0 61162.8171 0 13 60716.0000 61162.8171 0.74% - 0s 0 0 61140.1898 0 12 60716.0000 61140.1898 0.70% - 0s 0 0 61135.1233 0 13 60716.0000 61135.1233 0.69% - 0s 0 0 61133.5781 0 14 60716.0000 61133.5781 0.69% - 0s 0 0 61133.4188 0 15 60716.0000 61133.4188 0.69% - 0s 0 2 61131.0623 0 15 60716.0000 61131.0623 0.68% - 0s H 93 71 60742.000000 61113.2121 0.61% 3.3 0s H 350 257 60770.000000 61104.5157 0.55% 3.7 0s H 488 343 60795.000000 61093.5216 0.49% 3.7 0s H 496 350 60796.000000 61089.5040 0.48% 3.8 0s H 600 411 60797.000000 61082.7753 0.47% 3.7 0s H 3686 1405 60803.000000 60996.0698 0.32% 3.7 0s Cutting planes: Gomory: 3 Cover: 5 MIR: 1 Zero half: 1 Explored 19940 nodes (69079 simplex iterations) in 1.33 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 6.080300000000e+04, best bound 6.080800000000e+04, gap 0.0082%