Instance: rand-2-40-16-250-350-19_ext
Number of variables: 40
Number of constraints: 250
Satisfiable: None
Timestamp: 2017-10-27 10:56:55
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 83,324 MAX VALUE 18,601.20 1.91 0.18 2.06
Relational linkage 0.19 0.69 0.45 0.44 290.50 0.00 -515.44 0.08 0.17 1.62
Tightness 0.27 0.42 0.35 0.35 87.26 0.00 -264.05 0.03 0.08 3.36
Tuples 149 186 166.65 167.00 41,662 MAX VALUE 1,278.71 7.57 0.05 3.36
Domain size 16 16 16.00 16.00 640 MAX VALUE 110.90 0.00 0.00 0.00
Constraints per subscope 7 20 12.50 12.50 500 MAX VALUE 99.73 3.20 0.26 2.42
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: 18
Number of leaves: 11
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 12 92 41.39 32.50 745 4.89e+27 63.76 25.31 0.61 2.81
Cluster variables 8 23 13.83 12.50 249 1.22e+20 46.25 4.83 0.35 2.11
Separator constraints 0 74 27.50 19.00 495 0 None 22.85 0.83 2.74
Separator variables 0 21 11.61 10.00 209 0 None 5.13 0.44 2.11
Dual tree decomposition
Number of clusters: 38
Number of leaves: 16
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 65 1,015 273.21 189.00 10,382 MAX VALUE 203.54 213.71 0.78 3.56
Cluster variables 16 134 43.26 31.00 1,644 MAX VALUE 135.96 30.06 0.69 3.19
Separator constraints 0 520 192.16 161.50 7,302 0 None 128.03 0.67 3.60
Separator variables 0 102 36.68 29.00 1,394 0 None 23.01 0.63 3.33
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 0.50 0.33 0.32 13.13 0.00 -45.19 0.06 0.18 3.48
Degree 7 20 12.50 12.50 500 MAX VALUE 99.73 3.20 0.26 2.42
Eccentricity 2 3 2.50 2.50 100 3.66e+15 35.84 0.50 0.20 0.69
Triangulated primal graph
Density: 59.23%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.67 1.00 0.85 0.82 33.97 0.00 -6.89 0.11 0.13 2.93
Degree 7 34 23.10 28.00 924 MAX VALUE 120.86 9.50 0.41 2.54
Eccentricity 2 3 2.10 2.00 84 5.57e+12 29.35 0.30 0.14 0.33
Dual graph
Density: 9.90%
MCB compute time (ms): 2,430
MCB cycles: 3,523
Triangles: 12,866
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 0.50 127.83 0.00 -167.95 0.02 0.05 4.78
Degree 15 38 24.64 24.50 6,160 MAX VALUE 796.90 4.50 0.18 2.87
Eccentricity 3 3 3.00 3.00 750 MAX VALUE 274.65 0.00 0.00 0.00
MCB cycle size 3 4 3.14 3.00 11,069 MAX VALUE 4,014.25 0.35 0.11 0.41
Minimal dual graph
Density: 1.48%
MCB compute time (ms): 259
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 319.81 0.80 0.22 1.17
Eccentricity 6 8 7.23 7.00 1,807 MAX VALUE 493.66 0.59 0.08 0.88
MCB cycle size 4 9 6.57 7.00 1,387 MAX VALUE 393.37 1.22 0.18 1.57
Triangulated dual graph
Density: 54.55%
Triangles: 735,401
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.73 1.00 0.85 0.84 213.51 0.00 -40.35 0.07 0.09 5.00
Degree 15 202 135.83 159.00 33,958 MAX VALUE 1,185.91 58.74 0.43 4.16
Eccentricity 2 3 2.15 2.00 537 MAX VALUE 188.29 0.36 0.17 0.42
Triangulated minimal dual graph
Density: 10.86%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.54 1.00 0.80 0.76 201.20 0.00 -58.25 0.14 0.18 3.52
Degree 2 87 27.05 7.50 6,762 MAX VALUE 622.62 31.28 1.16 3.33
Eccentricity 3 5 3.77 4.00 943 MAX VALUE 329.21 0.54 0.14 0.81
Incidence graph
Density: 1.19%
MCB compute time (ms): 186
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 20 3.45 2.00 1,000 MAX VALUE 273.01 3.81 1.11 0.73
Eccentricity 5 7 5.94 6.00 1,724 MAX VALUE 516.58 0.28 0.05 0.32
MCB cycle size 6 8 6.08 6.00 1,282 MAX VALUE 380.36 0.38 0.06 0.16