All instances for which no solution is known. These instances could also be infeasible.

Browse below all 20 instances. Find all relevant downloads on our Downloads page.

Instances tagged with the No Solution Tag. Objective values of open instances are marked with '*'.
Instance Status Variables Binaries Integers Continuous Constraints Nonz. Submitter Group Objective Tags
ns1905797 open 18192 17676 4 512 51884 239700 NEOS Server Submission neos-pseudoapplication-102 NA no_solution aggregations precedence variable_bound set_partitioning cardinality mixed_binary general_linear
pb-market-split8-70-4 open 71 71 0 0 17 1113 Gleb Belov pb- NA no_solution binary feasibility knapsack mixed_binary
datt256 open 262144 262144 0 0 11077 1503730 Jon Dattorro -- NA no_solution binary set_partitioning cardinality
nucorsav open 55410 49360 0 6050 1812472 26170400 Alexandra M. Newman -- NA no_solution precedence variable_bound set_partitioning set_packing cardinality invariant_knapsack knapsack mixed_binary
neos-3208254-reiu open 3154336 3743 0 3150593 9464908 25080200 Jeff Linderoth neos-pseudoapplication-98 NA no_solution aggregations precedence variable_bound set_partitioning set_covering cardinality mixed_binary general_linear
neos-3603137-hoteo open 4003 3913 90 0 10510 39146 Jeff Linderoth neos-pseudoapplication-38 NA no_solution feasibility aggregations set_covering invariant_knapsack knapsack general_linear
neos-4285819-pedja open 721438 686647 0 34791 1518618 4866060 Jeff Linderoth neos-pseudoapplication-79 NA no_solution numerics aggregations precedence variable_bound set_partitioning invariant_knapsack mixed_binary
neos-3237086-abava open 50192 50192 0 0 69472 233552 Jeff Linderoth neos-pseudoapplication-51 NA no_solution binary feasibility decomposition aggregations variable_bound set_packing set_covering cardinality invariant_knapsack binpacking
neos-3355323-arnon open 10248 10104 144 0 21216 69912 Jeff Linderoth neos-pseudoapplication-38 NA no_solution feasibility aggregations precedence set_covering invariant_knapsack binpacking general_linear
neos-3691541-lonja open 10300 10200 0 100 10320 40568 Jeff Linderoth neos-pseudoapplication-13 NA no_solution decomposition precedence variable_bound set_partitioning invariant_knapsack mixed_binary
lr2-22dr3-333vc4v17a-t60 open 109519 92865 0 16654 108566 435517 Dimitri Papageorgiou maritime NA no_solution decomposition aggregations precedence variable_bound set_partitioning set_packing cardinality invariant_knapsack mixed_binary
supportcase30 open 1024 1024 0 0 1028 12288 Domenico Salvagnin -- NA no_solution binary feasibility set_covering cardinality
nj2 open 85224 14280 0 70944 118975 364332 Jonathan Eckstein nj NA no_solution decomposition precedence variable_bound set_partitioning mixed_binary
nj1 open 78084 14280 0 63804 97579 321540 Jonathan Eckstein nj NA no_solution decomposition variable_bound set_partitioning mixed_binary
nj3 open 85224 14280 0 70944 118986 377422 Jonathan Eckstein nj NA no_solution decomposition precedence variable_bound set_partitioning mixed_binary
fhnw-binpack4-58 open 7550 7400 0 150 9900 35750 Simon Felix binpack NA no_solution feasibility precedence variable_bound invariant_knapsack mixed_binary
fhnw-binpack4-77 open 3924 3816 0 108 4922 17726 Simon Felix binpack NA no_solution feasibility precedence variable_bound invariant_knapsack mixed_binary
pythago7825 open 3745 3745 0 0 14672 44016 Felix J. L. Willamowski -- NA no_solution binary feasibility set_covering invariant_knapsack
seqsolve3short4288excess384 open 207665 123834 82835 996 242245 1028680 Irv Lustig seqsolve NA no_solution aggregations variable_bound set_packing invariant_knapsack binpacking knapsack integer_knapsack mixed_binary general_linear
seqsolve2short4288 open 207665 123834 82835 996 242244 1028180 Irv Lustig seqsolve NA no_solution aggregations variable_bound set_packing invariant_knapsack binpacking knapsack integer_knapsack mixed_binary general_linear
Last Update Nov 16, 2020 by Philipp Wellner
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