Instance: rand-2-40-16-250-350-24_ext
Number of variables: 40
Number of constraints: 250
Satisfiable: None
Timestamp: 2017-10-27 10:57:01
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 10.34 10.00 82,724 MAX VALUE 18,541.30 1.91 0.18 2.06
Relational linkage 0.19 0.62 0.45 0.44 286.94 0.00 -523.47 0.08 0.17 1.60
Tightness 0.27 0.44 0.35 0.35 88.43 0.00 -260.68 0.03 0.08 3.33
Tuples 143 186 165.45 166.00 41,362 MAX VALUE 1,276.91 7.49 0.05 3.33
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 12.00 500 MAX VALUE 99.84 3.13 0.25 2.40
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: 8
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 16 106 51.65 39.00 878 5.91e+27 63.95 30.77 0.60 2.83
Cluster variables 9 24 15.53 14.00 264 6.37e+19 45.60 5.42 0.35 2.28
Separator constraints 0 96 36.94 23.00 628 0 None 29.89 0.81 2.83
Separator variables 0 23 13.18 12.00 224 0 None 5.98 0.45 2.36
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 64 869 268.76 211.00 10,213 MAX VALUE 203.79 193.99 0.72 3.60
Cluster variables 16 130 43.13 31.00 1,639 MAX VALUE 136.05 29.24 0.68 3.33
Separator constraints 0 437 187.95 161.00 7,142 0 None 111.80 0.59 3.53
Separator variables 0 96 36.55 29.00 1,389 0 None 22.29 0.61 3.42
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 0.22 0.49 0.33 0.34 13.22 0.00 -45.00 0.06 0.19 3.45
Degree 8 21 12.50 12.00 500 MAX VALUE 99.84 3.13 0.25 2.40
Eccentricity 2 3 2.23 2.00 89 4.23e+13 31.38 0.42 0.19 0.53
Triangulated primal graph
Density: 64.10%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.69 1.00 0.86 0.85 34.43 0.00 -6.24 0.09 0.11 3.20
Degree 8 36 25.00 29.00 1,000 MAX VALUE 124.87 9.18 0.37 2.78
Eccentricity 2 3 2.05 2.00 82 2.47e+12 28.54 0.22 0.11 0.20
Dual graph
Density: 9.87%
MCB compute time (ms): 2,405
MCB cycles: 3,286
Triangles: 12,801
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 0.51 0.50 127.88 0.00 -167.84 0.02 0.05 4.76
Degree 15 37 24.57 24.00 6,142 MAX VALUE 796.39 4.32 0.18 2.83
Eccentricity 3 3 3.00 3.00 750 MAX VALUE 274.65 0.00 0.00 0.00
MCB cycle size 3 5 3.08 3.00 10,129 MAX VALUE 3,687.94 0.28 0.09 0.29
Minimal dual graph
Density: 1.48%
MCB compute time (ms): 344
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 319.57 0.83 0.23 1.18
Eccentricity 6 8 7.12 7.00 1,780 MAX VALUE 489.91 0.57 0.08 0.86
MCB cycle size 4 10 6.77 7.00 1,429 MAX VALUE 400.22 1.17 0.17 1.55
Triangulated dual graph
Density: 53.46%
Triangles: 695,704
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.70 1.00 0.85 0.84 212.12 0.00 -42.16 0.08 0.09 4.89
Degree 15 205 133.12 159.00 33,280 MAX VALUE 1,182.40 57.40 0.43 4.24
Eccentricity 2 3 2.17 2.00 543 MAX VALUE 190.72 0.38 0.17 0.46
Triangulated minimal dual graph
Density: 10.82%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.49 1.00 0.81 0.76 201.43 0.00 -58.23 0.15 0.18 3.59
Degree 2 88 26.94 8.00 6,734 MAX VALUE 621.08 31.12 1.16 3.25
Eccentricity 3 5 3.82 4.00 954 MAX VALUE 331.99 0.56 0.15 0.84
Incidence graph
Density: 1.19%
MCB compute time (ms): 221
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 273.13 3.80 1.10 0.73
Eccentricity 5 6 5.89 6.00 1,709 MAX VALUE 513.96 0.31 0.05 0.34
MCB cycle size 6 8 6.03 6.00 1,272 MAX VALUE 378.92 0.24 0.04 0.07