Instance: rand-2-40-16-250-350-75_ext
Number of variables: 40
Number of constraints: 250
Satisfiable: None
Timestamp: 2017-10-27 10:56:58
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 2 16 10.41 11.00 83,310 MAX VALUE 18,598.60 1.91 0.18 2.06
Relational linkage 0.12 0.62 0.45 0.44 287.12 0.00 -522.34 0.07 0.16 1.56
Tightness 0.28 0.43 0.35 0.35 87.29 0.00 -264.01 0.03 0.09 3.37
Tuples 146 185 166.62 166.00 41,655 MAX VALUE 1,278.66 7.73 0.05 3.37
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 100.16 2.63 0.21 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: 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 15 116 49.07 27.00 736 6.92e+23 54.89 33.95 0.69 2.52
Cluster variables 9 26 15.40 12.00 231 2.31e+17 39.98 5.83 0.38 2.25
Separator constraints 0 99 32.40 16.00 486 0 None 30.03 0.93 2.62
Separator variables 0 24 12.73 11.00 191 0 None 6.13 0.48 2.25
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 73 909 269.11 201.00 10,226 MAX VALUE 204.28 198.05 0.74 3.60
Cluster variables 17 136 43.32 32.00 1,646 MAX VALUE 136.41 29.44 0.68 3.26
Separator constraints 0 497 189.82 162.50 7,213 0 None 115.33 0.61 3.60
Separator variables 0 98 36.74 30.00 1,396 0 None 22.34 0.61 3.25
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 0.16 0.44 0.30 0.29 11.97 0.00 -49.22 0.06 0.21 3.36
Degree 8 19 12.50 12.00 500 MAX VALUE 100.16 2.63 0.21 2.26
Eccentricity 2 3 2.15 2.00 86 1.25e+13 30.16 0.36 0.17 0.42
Triangulated primal graph
Density: 66.15%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.74 1.00 0.87 0.85 34.81 0.00 -5.73 0.08 0.09 3.16
Degree 8 35 25.80 30.50 1,032 MAX VALUE 126.14 9.23 0.36 2.51
Eccentricity 2 3 2.10 2.00 84 5.57e+12 29.35 0.30 0.14 0.33
Dual graph
Density: 9.68%
MCB compute time (ms): 3,209
MCB cycles: 2,938
Triangles: 12,006
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 0.59 0.50 0.50 126.07 0.00 -171.30 0.02 0.04 4.65
Degree 16 35 24.10 24.00 6,026 MAX VALUE 792.73 3.64 0.15 2.67
Eccentricity 3 3 3.00 3.00 750 MAX VALUE 274.65 0.00 0.00 0.00
MCB cycle size 3 4 3.04 3.00 8,922 MAX VALUE 3,258.79 0.19 0.06 0.16
Minimal dual graph
Density: 1.48%
MCB compute time (ms): 331
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 320.11 0.80 0.22 1.14
Eccentricity 6 8 7.14 7.00 1,784 MAX VALUE 490.46 0.58 0.08 0.87
MCB cycle size 4 10 6.78 7.00 1,431 MAX VALUE 400.98 1.09 0.16 1.48
Triangulated dual graph
Density: 54.18%
Triangles: 723,824
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.73 1.00 0.85 0.84 213.04 0.00 -40.89 0.07 0.09 4.78
Degree 16 200 134.92 169.00 33,730 MAX VALUE 1,184.88 58.52 0.43 4.13
Eccentricity 2 3 2.15 2.00 537 MAX VALUE 188.29 0.36 0.17 0.42
Triangulated minimal dual graph
Density: 11.36%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.53 1.00 0.82 0.76 204.09 0.00 -54.57 0.14 0.18 3.48
Degree 2 89 28.28 7.00 7,070 MAX VALUE 627.36 32.65 1.15 3.22
Eccentricity 3 5 3.70 4.00 926 MAX VALUE 324.90 0.51 0.14 0.73
Incidence graph
Density: 1.19%
MCB compute time (ms): 245
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 273.44 3.75 1.09 0.71
Eccentricity 5 7 5.89 6.00 1,709 MAX VALUE 513.87 0.34 0.06 0.42
MCB cycle size 6 8 6.06 6.00 1,278 MAX VALUE 379.79 0.33 0.05 0.13