no-ip-64999

infeasible feasibility decomposition benchmark_suitable precedence set_covering general_linear

Submitter	Variables	Constraints	Density	Status	Group	Objective	MPS File
Christopher Hojny	2232	2547	2.39054e-03	easy	noip	Infeasible	no-ip-64999.mps.gz

integer programming formulation that verifies that no integer programming formulation of a given 0/1-point set exists

Location of instance in collection

Instance Statistics

Detailed explanation of the following tables can be found here.

Size Related Properties
	Original	Presolved
Variables	2232	2232
Constraints	2547	2538
Binaries	2187	2187
Integers	45	45
Continuous	0	0
Implicit Integers	0	0
Fixed Variables	0	0
Nonzero Density	0.00239054	0.00239743
Nonzeroes	13590	13581

Constraint Classification Properties
	Original	Presolved
Total	2547	2538
Empty	0	0
Free	0	0
Singleton	9	0
Aggregations	0	0
Precedence	27	27
Variable Bound	0	0
Set Partitioning	0	0
Set Packing	0	0
Set Covering	243	243
Cardinality	0	0
Invariant Knapsack	0	0
Equation Knapsack	0	0
Bin Packing	0	0
Knapsack	0	0
Integer Knapsack	0	0
Mixed Binary	0	0
General Linear	2268	2268
Indicator	0	0

Structure

Available nonzero structure and decomposition information. Further information can be found here.

Nonzero entries of original problem

Nonzero entries after trivial presolving

Decomposed structure of original problem (dec-file)

Decomposed structure after trivial presolving (dec-file)

	value	min	median	mean	max
Components	1.000000
Constraint %		10.0473	10.0473	10.0473	10.0473
Variable %		11.1111	11.1111	11.1111	11.1111
Score	0.803783

Best Known Solution(s)

No solution available for no-ip-64999 .

Similar instances in collection

The following instances are most similar to no-ip-64999 in the collection. This similarity analysis is based on 100 scaled instance features describing properties of the variables, objective function, bounds, constraints, and right hand sides.

Instance	Status	Variables	Binaries	Integers	Constraints	Nonz.	Submitter	Group	Objective	Tags
no-ip-65059	easy	2232	2187	45	2547	13590	Christopher Hojny	noip	Infeasible	infeasible feasibility decomposition benchmark_suitable precedence set_covering general_linear
neos-3211096-shag	hard	4379	4289	90	10187	31705	Jeff Linderoth	neos-pseudoapplication-38	Infeasible	infeasible feasibility aggregations precedence variable_bound set_covering invariant_knapsack binpacking mixed_binary general_linear
neos-3603137-hoteo	open	4003	3913	90	10510	39146	Jeff Linderoth	neos-pseudoapplication-38		no_solution feasibility aggregations set_covering invariant_knapsack knapsack general_linear
neos-3355323-arnon	open	10248	10104	144	21216	69912	Jeff Linderoth	neos-pseudoapplication-38		no_solution feasibility aggregations precedence set_covering invariant_knapsack binpacking general_linear
lectsched-3	easy	25776	25319	457	45262	279967	Harald Schilly	lectsched	0	feasibility benchmark_suitable aggregations precedence variable_bound integer_knapsack general_linear

Reference

No bibliographic information available