Gurobi 5.0.1 (linux64) logging started Thu Jan 24 18:13:27 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 56428.000000 Root relaxation: objective 5.916187e+04, 15 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 59161.8681 0 5 56428.0000 59161.8681 4.84% - 0s H 0 0 58697.000000 59161.8681 0.79% - 0s 0 0 59153.2361 0 7 58697.0000 59153.2361 0.78% - 0s H 0 0 58751.000000 59153.2361 0.68% - 0s 0 0 59149.8811 0 9 58751.0000 59149.8811 0.68% - 0s 0 0 59145.4617 0 11 58751.0000 59145.4617 0.67% - 0s 0 0 59142.6977 0 12 58751.0000 59142.6977 0.67% - 0s H 0 0 58937.000000 59142.6977 0.35% - 0s 0 0 59142.6977 0 5 58937.0000 59142.6977 0.35% - 0s 0 0 59142.6977 0 12 58937.0000 59142.6977 0.35% - 0s 0 0 59139.1648 0 11 58937.0000 59139.1648 0.34% - 0s 0 0 59138.4937 0 11 58937.0000 59138.4937 0.34% - 0s 0 2 59137.7903 0 11 58937.0000 59137.7903 0.34% - 0s H 1588 476 58959.000000 59084.2371 0.21% 2.6 0s Cutting planes: Gomory: 3 Cover: 4 MIR: 2 Explored 11700 nodes (26877 simplex iterations) in 0.51 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.895900000000e+04, best bound 5.896400000000e+04, gap 0.0085%