Instance: rand-2-40-16-250-350-83_ext
Number of variables: 40
Number of constraints: 250
Satisfiable: None
Timestamp: 2017-10-27 10:57:06
Stampede: v1.0.0-797-g05e223c
Boost: 1.64.0
Benchmark comments

Instance comments



Component #1 Number of variables: 40
Number of constraints: 250
General features
Number of coarse blocks: 8,000
Number of unique subscopes: 40
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Arity 2 2 2.00 2.00 500 MAX VALUE 173.29 0.00 0.00 0.00
Coarse blocks size 3 16 10.43 10.00 83,422 MAX VALUE 18,612.80 1.90 0.18 2.06
Relational linkage 0.19 0.62 0.46 0.44 291.25 0.00 -512.89 0.07 0.16 1.57
Tightness 0.26 0.45 0.35 0.34 87.07 0.00 -264.75 0.03 0.09 3.44
Tuples 140 189 166.84 168.00 41,711 MAX VALUE 1,278.96 8.21 0.05 3.44
Domain size 16 16 16.00 16.00 640 MAX VALUE 110.90 0.00 0.00 0.00
Constraints per subscope 8 18 12.50 12.50 500 MAX VALUE 100.45 2.10 0.17 2.05
Partitions per subscope 16 16 16.00 16.00 640 MAX VALUE 110.90 0.00 0.00 0.00
Tree decomposition
Number of clusters: 16
Number of leaves: 8
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 17 98 47.06 39.50 753 6.05e+25 59.37 25.92 0.55 2.77
Cluster variables 9 25 15.69 14.50 251 6.10e+18 43.26 5.05 0.32 2.43
Separator constraints 0 83 31.44 25.00 503 0 None 23.56 0.75 2.69
Separator variables 0 23 13.19 12.50 211 0 None 5.59 0.42 2.43
Dual tree decomposition
Number of clusters: 38
Number of leaves: 18
Tree depth: 5
Dot-file path: None
PDF-file path: None
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Cluster constraints 66 780 260.71 189.00 9,907 MAX VALUE 204.42 170.83 0.66 3.53
Cluster variables 16 129 42.84 30.00 1,628 MAX VALUE 136.52 27.70 0.65 3.21
Separator constraints 0 420 182.74 162.00 6,944 0 None 98.06 0.54 3.53
Separator variables 0 93 36.26 27.00 1,378 0 None 20.88 0.58 3.23
Primal graph
Density: 32.05%
Dot-file path: None
PDF-file path: None
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.22 0.40 0.31 0.30 12.40 0.00 -47.32 0.05 0.15 3.45
Degree 8 18 12.50 12.50 500 MAX VALUE 100.45 2.10 0.17 2.05
Eccentricity 2 3 2.20 2.00 88 2.82e+13 30.97 0.40 0.18 0.50
Triangulated primal graph
Density: 65.51%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.68 1.00 0.86 0.85 34.46 0.00 -6.20 0.09 0.11 3.20
Degree 8 37 25.55 30.00 1,022 MAX VALUE 126.09 9.07 0.36 2.75
Eccentricity 2 2 2.00 2.00 80 1.10e+12 27.73 0.00 0.00 0.00
Dual graph
Density: 9.52%
MCB compute time (ms): 3,270
MCB cycles: 2,848
Triangles: 11,390
Dot-file path: None
PDF-file path: None

Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.48 0.55 0.50 0.50 125.01 0.00 -173.34 0.01 0.02 4.20
Degree 15 31 23.70 24.00 5,926 MAX VALUE 789.58 2.85 0.12 2.44
Eccentricity 3 3 3.00 3.00 750 MAX VALUE 274.65 0.00 0.00 0.00
MCB cycle size 3 4 3.03 3.00 8,618 MAX VALUE 3,150.14 0.16 0.05 0.12
Minimal dual graph
Density: 1.48%
MCB compute time (ms): 323
MCB cycles: 211
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 0.03 9.43 0.07
Degree 2 6 3.68 4.00 920 MAX VALUE 320.04 0.79 0.21 1.15
Eccentricity 6 8 7.14 7.00 1,784 MAX VALUE 490.52 0.56 0.08 0.83
MCB cycle size 3 9 6.71 7.00 1,416 MAX VALUE 398.45 1.13 0.17 1.52
Triangulated dual graph
Density: 51.59%
Triangles: 645,908
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.74 1.00 0.84 0.81 210.53 0.00 -44.10 0.08 0.10 4.68
Degree 15 187 128.45 163.00 32,112 MAX VALUE 1,173.03 56.92 0.44 3.95
Eccentricity 2 3 2.19 2.00 548 MAX VALUE 192.75 0.39 0.18 0.49
Triangulated minimal dual graph
Density: 11.48%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.51 1.00 0.82 0.77 204.00 0.00 -54.58 0.14 0.17 3.56
Degree 2 89 28.58 7.00 7,146 MAX VALUE 628.01 33.08 1.16 3.18
Eccentricity 3 5 3.72 4.00 931 MAX VALUE 326.08 0.53 0.14 0.78
Incidence graph
Density: 1.19%
MCB compute time (ms): 232
MCB cycles: 211
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 18 3.45 2.00 1,000 MAX VALUE 273.74 3.70 1.07 0.68
Eccentricity 5 6 5.89 6.00 1,708 MAX VALUE 513.78 0.31 0.05 0.35
MCB cycle size 6 6 6.00 6.00 1,266 MAX VALUE 378.06 0.00 0.00 0.00