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

Browse below all 34 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
fhnw-sq3 open 2450 2401 49 0 167 7372 Simon Felix fhnw-sq NA no_solution feasibility precedence set_partitioning integer_knapsack general_linear
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-4535459-waipa open 961401 640000 0 321401 163001 256963000 Jeff Linderoth neos-pseudoapplication-67 NA no_solution precedence variable_bound set_partitioning 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-3740487-motru open 1689612 75566 0 1614046 4936372 26433500 Jeff Linderoth neos-pseudoapplication-61 NA no_solution precedence variable_bound set_partitioning set_packing invariant_knapsack binpacking knapsack mixed_binary
neos-4545615-waita open 654950 654930 0 20 345152 10670200 Jeff Linderoth neos-pseudoapplication-31 NA no_solution aggregations set_partitioning set_packing set_covering cardinality invariant_knapsack knapsack mixed_binary
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
bmocbd2 open 403771 125467 0 278304 152791 1274240 Sean MacDermant bmocbd NA no_solution decomposition numerics aggregations variable_bound set_packing 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
kosova1 open 614253 609591 4662 0 304931 3414760 George Fonseca timetabling NA no_solution aggregations precedence variable_bound set_partitioning set_packing set_covering cardinality invariant_knapsack equation_knapsack binpacking general_linear
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
neos-5223573-tarwin open 158244 190 0 158054 560182 2166500 Hans Mittelmann neos-pseudoapplication-19 NA no_solution feasibility aggregations variable_bound set_partitioning set_packing cardinality mixed_binary
neos-5189128-totara open 36025 35640 0 385 213702 1012550 Hans Mittelmann neos-pseudoapplication-101 NA no_solution set_partitioning set_packing cardinality mixed_binary
f2000 open 4000 4000 0 0 10500 29500 M. Winkler NA no_solution binary variable_bound set_covering
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
pythago7824 open 3740 3740 0 0 14652 43956 Felix J. L. Willamowski NA no_solution binary feasibility set_covering invariant_knapsack
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
l2p2i open 38196 13113 24938 145 47653 85208 Gleb Belov l2p NA no_solution indicator numerics aggregations precedence variable_bound set_partitioning set_packing cardinality invariant_knapsack general_linear
gfd-schedulen180f7d50m30k18-16i open 2226625 1055523 1103442 67660 3447025 7026380 Gleb Belov gfd-schedule NA no_solution indicator numerics aggregations precedence variable_bound set_partitioning set_packing cardinality invariant_knapsack equation_knapsack mixed_binary general_linear
amaze22012-07-04i open 31237 10654 1603 18980 42328 83384 Gleb Belov amaze NA no_solution feasibility indicator numerics aggregations precedence variable_bound set_partitioning cardinality integer_knapsack mixed_binary general_linear
neos-952987 open 31329 31329 0 0 354 90384 NEOS Server Submission neos-pseudoapplication-22 NA no_solution binary set_covering equation_knapsack knapsack

Last Update Apr 09, 2019 by Gregor Hendel
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