XCSP 2.1 Benchmark Database

Instance: rand-2-40-8-753-100-43_ext
Number of variables: 40
Number of constraints: 753
Satisfiable: None
Timestamp: 2017-10-27 10:56:21
Stampede: v1.0.0-797-g05e223c
Boost: 1.64.0

Component #1

Number of variables: 40
Number of constraints: 753

General features

Number of coarse blocks: 12,048
Number of unique subscopes: 40

Feature min max mean median sum prod ln(prod) std_dev COV ENT

Arity 2 2 2.00 2.00 1,506 MAX VALUE 521.94 0.00 0.00 0.00

Coarse blocks size 2 8 7.19 7.00 86,580 MAX VALUE 23,667.30 0.85 0.12 1.16

Relational linkage 0.25 0.75 0.63 0.62 200.62 0.00 -152.64 0.08 0.13 0.98

Tightness 0.02 0.22 0.10 0.09 76.59 0.00 -1,779.62 0.04 0.36 2.27

Tuples 50 63 57.49 58.00 43,290 MAX VALUE 3,050.22 2.37 0.04 2.27

Domain size 8 8 8.00 8.00 320 1.33e+36 83.18 0.00 0.00 0.00

Constraints per subscope 34 39 37.65 38.00 1,506 MAX VALUE 145.11 1.24 0.03 1.44

Partitions per subscope 8 8 8.00 8.00 320 1.33e+36 83.18 0.00 0.00 0.00

Feature	min	max	mean	median	sum	prod	ln(prod)	std_dev	COV	ENT
Arity	2	2	2.00	2.00	1,506	MAX VALUE	521.94	0.00	0.00	0.00
Coarse blocks size	2	8	7.19	7.00	86,580	MAX VALUE	23,667.30	0.85	0.12	1.16
Relational linkage	0.25	0.75	0.63	0.62	200.62	0.00	-152.64	0.08	0.13	0.98
Tightness	0.02	0.22	0.10	0.09	76.59	0.00	-1,779.62	0.04	0.36	2.27
Tuples	50	63	57.49	58.00	43,290	MAX VALUE	3,050.22	2.37	0.04	2.27
Domain size	8	8	8.00	8.00	320	1.33e+36	83.18	0.00	0.00	0.00
Constraints per subscope	34	39	37.65	38.00	1,506	MAX VALUE	145.11	1.24	0.03	1.44
Partitions per subscope	8	8	8.00	8.00	320	1.33e+36	83.18	0.00	0.00	0.00

Tree decomposition

Number of clusters: 3
Number of leaves: 2
Tree depth: 1
Dot-file path: None
PDF-file path: None

Feature min max mean median sum prod ln(prod) std_dev COV ENT

Cluster constraints 579 683 636.67 648.00 1,910 256,256,000 19.36 43.21 0.07 1.10

Cluster variables 35 38 36.67 37.00 110 49,210 10.80 1.25 0.03 1.10

Separator constraints 0 612 385.67 545.00 1,157 0 None 274.08 0.71 1.10

Separator variables 0 36 23.33 34.00 70 0 None 16.52 0.71 1.10

Feature	min	max	mean	median	sum	prod	ln(prod)	std_dev	COV	ENT
Cluster constraints	579	683	636.67	648.00	1,910	256,256,000	19.36	43.21	0.07	1.10
Cluster variables	35	38	36.67	37.00	110	49,210	10.80	1.25	0.03	1.10
Separator constraints	0	612	385.67	545.00	1,157	0	None	274.08	0.71	1.10
Separator variables	0	36	23.33	34.00	70	0	None	16.52	0.71	1.10

Dual tree decomposition

Number of clusters: 38
Number of leaves: 20
Tree depth: 4
Dot-file path: None
PDF-file path: None

Feature min max mean median sum prod ln(prod) std_dev COV ENT

Cluster constraints 1,222 11,948 3,038.03 1,520.00 115,445 MAX VALUE 295.31 2,584.89 0.85 3.14

Cluster variables 69 493 146.40 77.00 5,563 MAX VALUE 181.88 108.44 0.74 2.96

Separator constraints 0 6,596 2,310.97 1,444.00 87,817 0 None 1,501.01 0.65 3.11

Separator variables 0 365 126.58 76.00 4,810 0 None 82.62 0.65 2.89

Feature	min	max	mean	median	sum	prod	ln(prod)	std_dev	COV	ENT
Cluster constraints	1,222	11,948	3,038.03	1,520.00	115,445	MAX VALUE	295.31	2,584.89	0.85	3.14
Cluster variables	69	493	146.40	77.00	5,563	MAX VALUE	181.88	108.44	0.74	2.96
Separator constraints	0	6,596	2,310.97	1,444.00	87,817	0	None	1,501.01	0.65	3.11
Separator variables	0	365	126.58	76.00	4,810	0	None	82.62	0.65	2.89

Primal graph

Density: 96.54%
Dot-file path: None
PDF-file path: None

Feature min max mean median sum prod ln(prod) std_dev COV ENT

Clustering coefficient 0.96 0.97 0.97 0.96 38.63 0.25 -1.40 0.00 0.00 2.41

Degree 34 39 37.65 38.00 1,506 MAX VALUE 145.11 1.24 0.03 1.44

Eccentricity 1 2 1.68 2.00 67 134,218,000 18.71 0.47 0.28 0.63

Feature	min	max	mean	median	sum	prod	ln(prod)	std_dev	COV	ENT
Clustering coefficient	0.96	0.97	0.97	0.96	38.63	0.25	-1.40	0.00	0.00	2.41
Degree	34	39	37.65	38.00	1,506	MAX VALUE	145.11	1.24	0.03	1.44
Eccentricity	1	2	1.68	2.00	67	134,218,000	18.71	0.47	0.28	0.63

Triangulated primal graph

Density: 99.10%

Feature min max mean median sum prod ln(prod) std_dev COV ENT

Clustering coefficient 0.99 1.00 0.99 0.99 39.67 0.72 -0.33 0.00 0.00 0.71

Degree 34 39 38.65 39.00 1,546 MAX VALUE 146.17 0.94 0.02 0.65

Eccentricity 1 2 1.20 1.00 48 256 5.55 0.40 0.33 0.50

Feature	min	max	mean	median	sum	prod	ln(prod)	std_dev	COV	ENT
Clustering coefficient	0.99	1.00	0.99	0.99	39.67	0.72	-0.33	0.00	0.00	0.71
Degree	34	39	38.65	39.00	1,546	MAX VALUE	146.17	0.94	0.02	0.65
Eccentricity	1	2	1.20	1.00	48	256	5.55	0.40	0.33	0.50

Dual graph

Density: 9.76%
MCB compute time (ms): 40,368
MCB cycles: 26,876
Triangles: 337,953
Dot-file path: None
PDF-file path: None

Feature min max mean median sum prod ln(prod) std_dev COV ENT

Clustering coefficient 0.51 0.51 0.51 0.51 381.56 0.00 -511.88 0.00 0.00 2.22

Degree 68 76 73.38 73.00 55,256 MAX VALUE 3,234.44 1.68 0.02 1.89

Eccentricity 2 2 2.00 2.00 1,506 MAX VALUE 521.94 0.00 0.00 0.00

MCB cycle size 3 3 3.00 3.00 80,628 MAX VALUE 29,526.30 0.00 0.00 0.00

Feature	min	max	mean	median	sum	prod	ln(prod)	std_dev	COV	ENT
Clustering coefficient	0.51	0.51	0.51	0.51	381.56	0.00	-511.88	0.00	0.00	2.22
Degree	68	76	73.38	73.00	55,256	MAX VALUE	3,234.44	1.68	0.02	1.89
Eccentricity	2	2	2.00	2.00	1,506	MAX VALUE	521.94	0.00	0.00	0.00
MCB cycle size	3	3	3.00	3.00	80,628	MAX VALUE	29,526.30	0.00	0.00	0.00

Minimal dual graph

Density: 0.52%
MCB compute time (ms): 11,766
MCB cycles: 716

Feature min max mean median sum prod ln(prod) std_dev COV ENT

Clustering coefficient 0.00 0.33 0.00 0.00 0.83 0.00 None 0.02 16.43 0.03

Degree 2 7 3.89 4.00 2,932 MAX VALUE 1,002.01 0.96 0.25 1.25

Eccentricity 9 14 11.68 12.00 8,793 MAX VALUE 1,847.50 1.06 0.09 1.46

MCB cycle size 3 11 6.04 6.00 4,323 MAX VALUE 1,269.59 1.31 0.22 1.63

Feature	min	max	mean	median	sum	prod	ln(prod)	std_dev	COV	ENT
Clustering coefficient	0.00	0.33	0.00	0.00	0.83	0.00	None	0.02	16.43	0.03
Degree	2	7	3.89	4.00	2,932	MAX VALUE	1,002.01	0.96	0.25	1.25
Eccentricity	9	14	11.68	12.00	8,793	MAX VALUE	1,847.50	1.06	0.09	1.46
MCB cycle size	3	11	6.04	6.00	4,323	MAX VALUE	1,269.59	1.31	0.22	1.63

Triangulated dual graph

Density: None%
Triangles: None

Feature min max mean median sum prod ln(prod) std_dev COV ENT

Clustering coefficient None None None None None None None None None None

Degree None None None None None None None None None None

Eccentricity None None None None None None None None None None

Feature	min	max	mean	median	sum	prod	ln(prod)	std_dev	COV	ENT
Clustering coefficient	None	None	None	None	None	None	None	None	None	None
Degree	None	None	None	None	None	None	None	None	None	None
Eccentricity	None	None	None	None	None	None	None	None	None	None

Triangulated minimal dual graph

Density: 6.99%

Feature min max mean median sum prod ln(prod) std_dev COV ENT

Clustering coefficient 0.47 1.00 0.82 0.79 615.05 0.00 -165.02 0.15 0.18 4.10

Degree 2 221 52.57 10.00 39,584 MAX VALUE 2,091.25 73.10 1.39 3.71

Eccentricity 3 6 4.18 4.00 3,146 MAX VALUE 1,068.16 0.62 0.15 0.94

Feature	min	max	mean	median	sum	prod	ln(prod)	std_dev	COV	ENT
Clustering coefficient	0.47	1.00	0.82	0.79	615.05	0.00	-165.02	0.15	0.18	4.10
Degree	2	221	52.57	10.00	39,584	MAX VALUE	2,091.25	73.10	1.39	3.71
Eccentricity	3	6	4.18	4.00	3,146	MAX VALUE	1,068.16	0.62	0.15	0.94

Incidence graph

Density: 0.48%
MCB compute time (ms): 1,175
MCB cycles: 714
Dot-file path: None
PDF-file path: None

Feature min max mean median sum prod ln(prod) std_dev COV ENT

Clustering coefficient 0.00 0.00 0.00 0.00 0.00 0.00 None 0.00 None 0.00

Degree 2 39 3.80 2.00 3,012 MAX VALUE 667.05 7.81 2.06 0.27

Eccentricity 3 5 4.05 4.00 3,209 MAX VALUE 1,106.75 0.28 0.07 0.32

MCB cycle size 6 6 6.00 6.00 4,284 MAX VALUE 1,279.32 0.00 0.00 0.00

XCSP 2.1 Benchmarks