Instances proposed in "A dynamic programming algorithm for the knapsack problem with setup (K. Chebiland, M. Khemakhem. Computers & Operations Research, 2015). These instances are also available at https://sites.google.com/site/chebilkh/knapsack-problem-with-setup
Instances proposed in "An exact approach for the 0-1 knapsack problem with setups (F. Della Croce, F. Salassa, R. Scatamacchia. Computers & Operations Research, 2017).