Instance: rand-2-40-16-250-350-50_ext
Number of variables: 40
Number of constraints: 250
Satisfiable: None
Timestamp: 2017-10-27 10:56:54
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 10.42 10.00 83,342 MAX VALUE 18,601.30 1.91 0.18 2.06
Relational linkage 0.19 0.62 0.45 0.44 288.81 0.00 -520.18 0.08 0.18 1.64
Tightness 0.26 0.43 0.35 0.35 87.22 0.00 -264.11 0.03 0.08 3.30
Tuples 147 189 166.68 167.00 41,671 MAX VALUE 1,278.78 7.34 0.04 3.30
Domain size 16 16 16.00 16.00 640 MAX VALUE 110.90 0.00 0.00 0.00
Constraints per subscope 8 19 12.50 12.00 500 MAX VALUE 100.11 2.70 0.22 2.28
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: 9
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 16 114 47.40 33.00 711 5.83e+23 54.72 31.97 0.67 2.62
Cluster variables 9 26 15.07 13.00 226 1.67e+17 39.66 5.78 0.38 2.21
Separator constraints 0 102 30.73 16.00 461 0 None 27.79 0.90 2.52
Separator variables 0 25 12.40 11.00 186 0 None 5.99 0.48 2.30
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 72 785 259.92 203.00 9,877 MAX VALUE 203.82 173.50 0.67 3.56
Cluster variables 17 128 42.32 31.50 1,608 MAX VALUE 135.95 27.47 0.65 3.42
Separator constraints 0 444 180.42 166.00 6,856 0 None 99.97 0.55 3.60
Separator variables 0 95 35.74 29.00 1,358 0 None 20.69 0.58 3.31
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 0.19 0.44 0.32 0.32 12.80 0.00 -46.05 0.05 0.16 3.40
Degree 8 19 12.50 12.00 500 MAX VALUE 100.11 2.70 0.22 2.28
Eccentricity 2 3 2.10 2.00 84 5.57e+12 29.35 0.30 0.14 0.33
Triangulated primal graph
Density: 65.51%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.74 1.00 0.87 0.85 34.80 0.00 -5.76 0.09 0.10 3.09
Degree 8 34 25.55 30.50 1,022 MAX VALUE 125.61 9.32 0.36 2.43
Eccentricity 2 3 2.05 2.00 82 2.47e+12 28.54 0.22 0.11 0.20
Dual graph
Density: 9.71%
MCB compute time (ms): 2,848
MCB cycles: 3,671
Triangles: 12,128
Dot-file path: None
PDF-file path: None

Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.47 0.60 0.51 0.50 126.36 0.00 -170.75 0.02 0.04 4.67
Degree 16 35 24.17 24.00 6,042 MAX VALUE 793.12 3.85 0.16 2.71
Eccentricity 3 3 3.00 3.00 750 MAX VALUE 274.65 0.00 0.00 0.00
MCB cycle size 3 5 3.17 3.00 11,630 MAX VALUE 4,210.31 0.38 0.12 0.46
Minimal dual graph
Density: 1.48%
MCB compute time (ms): 535
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 320.11 0.78 0.21 1.14
Eccentricity 6 8 7.24 7.00 1,809 MAX VALUE 494.07 0.54 0.07 0.80
MCB cycle size 3 9 6.79 7.00 1,433 MAX VALUE 400.82 1.16 0.17 1.54
Triangulated dual graph
Density: 50.90%
Triangles: 629,688
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.74 1.00 0.84 0.79 210.18 0.00 -44.52 0.08 0.10 4.93
Degree 16 182 126.74 164.00 31,684 MAX VALUE 1,168.85 56.87 0.45 3.87
Eccentricity 2 3 2.20 2.00 551 MAX VALUE 193.97 0.40 0.18 0.51
Triangulated minimal dual graph
Density: 11.19%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.54 1.00 0.81 0.76 202.91 0.00 -55.95 0.14 0.17 3.58
Degree 2 89 27.86 8.00 6,964 MAX VALUE 625.44 32.32 1.16 3.26
Eccentricity 3 5 3.76 4.00 939 MAX VALUE 328.19 0.54 0.14 0.79
Incidence graph
Density: 1.19%
MCB compute time (ms): 339
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 19 3.45 2.00 1,000 MAX VALUE 273.39 3.76 1.09 0.72
Eccentricity 5 6 5.88 6.00 1,704 MAX VALUE 513.05 0.33 0.06 0.38
MCB cycle size 6 8 6.02 6.00 1,270 MAX VALUE 378.64 0.19 0.03 0.05