Instance: rand-2-40-16-250-350-68_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 10.36 10.00 82,850 MAX VALUE 18,555.80 1.90 0.18 2.06
Relational linkage 0.19 0.62 0.45 0.44 288.50 0.00 -518.75 0.07 0.16 1.55
Tightness 0.27 0.43 0.35 0.35 88.18 0.00 -261.29 0.03 0.08 3.26
Tuples 145 186 165.70 166.00 41,425 MAX VALUE 1,277.32 7.09 0.04 3.26
Domain size 16 16 16.00 16.00 640 MAX VALUE 110.90 0.00 0.00 0.00
Constraints per subscope 8 21 12.50 12.50 500 MAX VALUE 99.94 2.93 0.23 2.26
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: 7
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 13 99 53.19 49.50 851 8.41e+25 59.69 32.80 0.62 2.69
Cluster variables 9 25 16.44 17.00 263 9.21e+18 43.67 5.93 0.36 2.19
Separator constraints 0 89 37.56 30.00 601 0 None 31.74 0.84 2.60
Separator variables 0 23 13.94 13.50 223 0 None 6.57 0.47 2.19
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 65 873 269.76 194.50 10,251 MAX VALUE 203.70 201.93 0.75 3.56
Cluster variables 16 134 42.89 31.00 1,630 MAX VALUE 136.00 28.99 0.68 3.31
Separator constraints 0 507 189.58 160.50 7,204 0 None 120.42 0.64 3.60
Separator variables 0 97 36.32 28.00 1,380 0 None 22.03 0.61 3.28
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 0.14 0.47 0.30 0.31 12.11 0.00 -49.03 0.07 0.23 3.52
Degree 8 21 12.50 12.50 500 MAX VALUE 99.94 2.93 0.23 2.26
Eccentricity 2 3 2.42 2.00 97 1.08e+15 34.62 0.49 0.20 0.68
Triangulated primal graph
Density: 67.05%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.70 1.00 0.87 0.86 34.79 0.00 -5.75 0.08 0.09 3.21
Degree 8 37 26.15 30.00 1,046 MAX VALUE 126.91 9.00 0.34 2.74
Eccentricity 2 3 2.10 2.00 84 5.57e+12 29.35 0.30 0.14 0.33
Dual graph
Density: 9.79%
MCB compute time (ms): 1,308
MCB cycles: 4,000
Triangles: 12,440
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 0.61 0.51 0.50 126.43 0.00 -170.63 0.02 0.04 4.62
Degree 15 37 24.38 24.00 6,094 MAX VALUE 794.41 4.31 0.18 2.81
Eccentricity 3 3 3.00 3.00 750 MAX VALUE 274.65 0.00 0.00 0.00
MCB cycle size 3 5 3.26 3.00 13,038 MAX VALUE 4,692.10 0.45 0.14 0.59
Minimal dual graph
Density: 1.48%
MCB compute time (ms): 337
MCB cycles: 211
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.00 0.17 0.00 0.00 0.37 0.00 None 0.01 9.37 0.07
Degree 2 6 3.68 4.00 920 MAX VALUE 319.98 0.81 0.22 1.14
Eccentricity 6 9 7.28 7.00 1,819 MAX VALUE 495.35 0.59 0.08 0.87
MCB cycle size 3 9 6.74 7.00 1,423 MAX VALUE 399.26 1.16 0.17 1.55
Triangulated dual graph
Density: 53.10%
Triangles: 694,688
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.76 1.00 0.85 0.82 212.34 0.00 -41.77 0.08 0.09 4.85
Degree 15 190 132.21 167.00 33,052 MAX VALUE 1,178.83 58.33 0.44 3.90
Eccentricity 2 3 2.17 2.00 543 MAX VALUE 190.72 0.38 0.17 0.46
Triangulated minimal dual graph
Density: 11.36%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.45 1.00 0.81 0.78 203.35 0.00 -55.56 0.14 0.18 3.58
Degree 2 90 28.30 7.00 7,074 MAX VALUE 628.22 32.58 1.15 3.24
Eccentricity 3 5 3.80 4.00 950 MAX VALUE 331.22 0.53 0.14 0.78
Incidence graph
Density: 1.19%
MCB compute time (ms): 203
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 21 3.45 2.00 1,000 MAX VALUE 273.22 3.78 1.10 0.71
Eccentricity 5 7 5.93 6.00 1,719 MAX VALUE 515.73 0.28 0.05 0.32
MCB cycle size 6 8 6.10 6.00 1,288 MAX VALUE 381.23 0.44 0.07 0.20