Instance: rand-2-40-16-250-350-66_ext
Number of variables: 40
Number of constraints: 250
Satisfiable: None
Timestamp: 2017-10-27 10:56:52
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 10.42 10.00 83,348 MAX VALUE 18,604.60 1.90 0.18 2.06
Relational linkage 0.12 0.62 0.45 0.44 289.00 0.00 -518.35 0.07 0.16 1.57
Tightness 0.25 0.43 0.35 0.35 87.21 0.00 -264.17 0.03 0.08 3.32
Tuples 147 191 166.70 167.00 41,674 MAX VALUE 1,278.79 7.50 0.05 3.32
Domain size 16 16 16.00 16.00 640 MAX VALUE 110.90 0.00 0.00 0.00
Constraints per subscope 8 17 12.50 12.00 500 MAX VALUE 100.13 2.63 0.21 2.11
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: 17
Number of leaves: 11
Tree depth: 4
Dot-file path: None
PDF-file path: None
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Cluster constraints 14 96 43.82 27.00 745 2.72e+26 60.87 27.41 0.63 2.75
Cluster variables 9 24 14.76 12.00 251 2.60e+19 44.70 5.35 0.36 2.28
Separator constraints 0 81 29.12 16.00 495 0 None 25.49 0.88 2.75
Separator variables 0 22 12.41 10.00 211 0 None 5.74 0.46 2.28
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 83 846 265.32 208.00 10,082 MAX VALUE 204.28 182.78 0.69 3.53
Cluster variables 18 132 42.82 32.00 1,627 MAX VALUE 136.25 28.13 0.66 3.05
Separator constraints 0 450 186.03 168.00 7,069 0 None 105.26 0.57 3.49
Separator variables 0 93 36.24 30.00 1,377 0 None 21.19 0.58 3.05
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 0.43 0.31 0.31 12.43 0.00 -47.60 0.06 0.20 3.47
Degree 8 17 12.50 12.00 500 MAX VALUE 100.13 2.63 0.21 2.11
Eccentricity 2 3 2.17 2.00 87 1.88e+13 30.56 0.38 0.17 0.46
Triangulated primal graph
Density: 62.44%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.67 1.00 0.86 0.84 34.38 0.00 -6.34 0.10 0.12 3.03
Degree 8 36 24.35 29.00 974 MAX VALUE 123.36 9.46 0.39 2.68
Eccentricity 2 2 2.00 2.00 80 1.10e+12 27.73 0.00 0.00 0.00
Dual graph
Density: 9.68%
MCB compute time (ms): 2,946
MCB cycles: 3,026
Triangles: 11,991
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 0.57 0.50 0.50 126.20 0.00 -171.04 0.02 0.03 4.39
Degree 17 32 24.10 24.00 6,026 MAX VALUE 792.80 3.57 0.15 2.59
Eccentricity 3 3 3.00 3.00 750 MAX VALUE 274.65 0.00 0.00 0.00
MCB cycle size 3 4 3.05 3.00 9,244 MAX VALUE 3,372.16 0.23 0.07 0.21
Minimal dual graph
Density: 1.48%
MCB compute time (ms): 385
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 319.80 0.81 0.22 1.15
Eccentricity 6 8 7.11 7.00 1,777 MAX VALUE 489.67 0.51 0.07 0.74
MCB cycle size 3 9 6.63 7.00 1,399 MAX VALUE 395.04 1.23 0.18 1.57
Triangulated dual graph
Density: 52.27%
Triangles: 664,495
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.73 1.00 0.84 0.81 211.12 0.00 -43.34 0.08 0.09 4.85
Degree 17 190 130.14 170.00 32,536 MAX VALUE 1,176.48 57.08 0.44 3.81
Eccentricity 2 3 2.18 2.00 544 MAX VALUE 191.13 0.38 0.18 0.47
Triangulated minimal dual graph
Density: 10.95%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.54 1.00 0.81 0.76 201.49 0.00 -57.76 0.14 0.18 3.59
Degree 2 89 27.27 8.00 6,818 MAX VALUE 622.48 31.55 1.16 3.28
Eccentricity 3 5 3.76 4.00 940 MAX VALUE 328.54 0.53 0.14 0.78
Incidence graph
Density: 1.19%
MCB compute time (ms): 253
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 17 3.45 2.00 1,000 MAX VALUE 273.42 3.75 1.09 0.69
Eccentricity 5 6 5.89 6.00 1,707 MAX VALUE 513.59 0.32 0.05 0.35
MCB cycle size 6 8 6.07 6.00 1,280 MAX VALUE 380.07 0.36 0.06 0.15