Instance: rand-2-40-16-250-350-47_ext
Number of variables: 40
Number of constraints: 250
Satisfiable: None
Timestamp: 2017-10-27 10:56:56
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 10.39 10.00 83,130 MAX VALUE 18,585.50 1.89 0.18 2.05
Relational linkage 0.19 0.62 0.45 0.44 291.06 0.00 -513.26 0.07 0.16 1.58
Tightness 0.25 0.43 0.35 0.35 87.64 0.00 -262.91 0.03 0.08 3.32
Tuples 147 191 166.26 167.00 41,565 MAX VALUE 1,278.15 7.31 0.04 3.32
Domain size 16 16 16.00 16.00 640 MAX VALUE 110.90 0.00 0.00 0.00
Constraints per subscope 5 18 12.50 12.50 500 MAX VALUE 100.04 2.57 0.21 2.23
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: 15
Number of leaves: 8
Tree depth: 3
Dot-file path: None
PDF-file path: None
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Cluster constraints 8 117 48.93 37.00 734 6.57e+23 54.84 31.19 0.64 2.62
Cluster variables 6 26 15.47 13.00 232 1.99e+17 39.83 6.05 0.39 2.43
Separator constraints 0 89 32.27 23.00 484 0 None 26.50 0.82 2.71
Separator variables 0 23 12.80 12.00 192 0 None 6.36 0.50 2.43
Dual tree decomposition
Number of clusters: 38
Number of leaves: 17
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 66 828 262.29 199.00 9,967 MAX VALUE 204.05 178.71 0.68 3.53
Cluster variables 15 132 42.63 30.00 1,620 MAX VALUE 136.12 28.00 0.66 3.16
Separator constraints 0 436 183.16 161.50 6,960 0 None 102.97 0.56 3.56
Separator variables 0 95 36.05 28.00 1,370 0 None 21.19 0.59 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 0.20 0.47 0.31 0.31 12.49 0.00 -47.09 0.05 0.16 3.48
Degree 5 18 12.50 12.50 500 MAX VALUE 100.04 2.57 0.21 2.23
Eccentricity 2 3 2.33 2.00 93 2.14e+14 33.00 0.47 0.20 0.63
Triangulated primal graph
Density: 66.28%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.71 1.00 0.87 0.85 34.90 0.00 -5.62 0.08 0.09 3.17
Degree 5 36 25.85 30.50 1,034 MAX VALUE 126.00 9.21 0.36 2.63
Eccentricity 2 3 2.05 2.00 82 2.47e+12 28.54 0.22 0.11 0.20
Dual graph
Density: 9.66%
MCB compute time (ms): 4,973
MCB cycles: 2,868
Triangles: 11,847
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 0.67 0.50 0.50 125.75 0.00 -172.00 0.02 0.04 4.45
Degree 14 31 24.06 24.00 6,014 MAX VALUE 792.43 3.41 0.14 2.59
Eccentricity 3 3 3.00 3.00 750 MAX VALUE 274.65 0.00 0.00 0.00
MCB cycle size 3 5 3.02 3.00 8,660 MAX VALUE 3,166.87 0.14 0.05 0.10
Minimal dual graph
Density: 1.48%
MCB compute time (ms): 333
MCB cycles: 211
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 6 3.68 4.00 920 MAX VALUE 320.79 0.73 0.20 1.08
Eccentricity 6 8 7.24 7.00 1,810 MAX VALUE 494.22 0.54 0.07 0.79
MCB cycle size 4 10 6.80 7.00 1,435 MAX VALUE 400.65 1.25 0.18 1.62
Triangulated dual graph
Density: 51.66%
Triangles: 652,879
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.73 1.00 0.84 0.81 211.01 0.00 -43.47 0.08 0.09 4.84
Degree 14 186 128.64 168.00 32,160 MAX VALUE 1,172.50 57.45 0.45 3.84
Eccentricity 2 3 2.20 2.00 551 MAX VALUE 193.97 0.40 0.18 0.51
Triangulated minimal dual graph
Density: 11.05%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.49 1.00 0.81 0.78 203.12 0.00 -56.06 0.15 0.18 3.47
Degree 2 88 27.51 7.00 6,878 MAX VALUE 623.66 31.83 1.16 3.29
Eccentricity 3 5 3.68 4.00 921 MAX VALUE 323.46 0.51 0.14 0.74
Incidence graph
Density: 1.19%
MCB compute time (ms): 237
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 273.33 3.74 1.09 0.71
Eccentricity 5 7 5.92 6.00 1,718 MAX VALUE 515.46 0.32 0.05 0.40
MCB cycle size 6 8 6.04 6.00 1,274 MAX VALUE 379.21 0.27 0.05 0.09