Instance: rand-2-40-16-250-350-97_ext
Number of variables: 40
Number of constraints: 250
Satisfiable: None
Timestamp: 2017-10-27 10:57:08
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 10.39 10.00 83,084 MAX VALUE 18,579.50 1.90 0.18 2.06
Relational linkage 0.19 0.62 0.45 0.44 288.62 0.00 -518.26 0.07 0.16 1.55
Tightness 0.27 0.44 0.35 0.35 87.73 0.00 -262.89 0.03 0.09 3.44
Tuples 143 188 166.17 166.00 41,542 MAX VALUE 1,277.94 8.27 0.05 3.44
Domain size 16 16 16.00 16.00 640 MAX VALUE 110.90 0.00 0.00 0.00
Constraints per subscope 5 18 12.50 13.00 500 MAX VALUE 99.61 3.12 0.25 2.43
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: 9
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 11 106 46.06 39.00 737 1.42e+25 57.92 29.03 0.63 2.60
Cluster variables 6 25 14.44 13.50 231 1.03e+18 41.48 5.57 0.39 2.60
Separator constraints 0 95 30.44 25.50 487 0 None 24.85 0.82 2.77
Separator variables 0 23 11.94 11.50 191 0 None 5.75 0.48 2.60
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 47 893 266.97 213.50 10,145 MAX VALUE 203.44 192.09 0.72 3.56
Cluster variables 13 132 42.29 30.50 1,607 MAX VALUE 135.44 28.37 0.67 3.39
Separator constraints 0 464 186.18 163.50 7,075 0 None 113.67 0.61 3.60
Separator variables 0 94 35.71 29.00 1,357 0 None 21.53 0.60 3.24
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 0.60 0.35 0.34 13.96 0.00 -42.92 0.07 0.21 3.54
Degree 5 18 12.50 13.00 500 MAX VALUE 99.61 3.12 0.25 2.43
Eccentricity 2 3 2.33 2.00 93 2.14e+14 33.00 0.47 0.20 0.63
Triangulated primal graph
Density: 62.95%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.72 1.00 0.86 0.84 34.50 0.00 -6.13 0.09 0.11 3.13
Degree 5 34 24.55 30.00 982 MAX VALUE 123.46 9.42 0.38 2.66
Eccentricity 2 3 2.08 2.00 83 3.71e+12 28.94 0.26 0.13 0.27
Dual graph
Density: 9.86%
MCB compute time (ms): 2,394
MCB cycles: 3,271
Triangles: 12,618
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 0.69 0.51 0.50 127.50 0.00 -168.67 0.03 0.06 4.64
Degree 12 34 24.56 25.00 6,140 MAX VALUE 796.51 4.13 0.17 2.80
Eccentricity 3 3 3.00 3.00 750 MAX VALUE 274.65 0.00 0.00 0.00
MCB cycle size 3 4 3.06 3.00 10,017 MAX VALUE 3,652.25 0.24 0.08 0.23
Minimal dual graph
Density: 1.48%
MCB compute time (ms): 309
MCB cycles: 212
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.00 0.17 0.00 0.00 1.03 0.00 None 0.02 5.33 0.17
Degree 2 6 3.68 4.00 920 MAX VALUE 319.70 0.82 0.22 1.16
Eccentricity 6 9 7.49 7.00 1,872 MAX VALUE 502.51 0.61 0.08 0.91
MCB cycle size 3 9 6.64 7.00 1,407 MAX VALUE 397.90 1.10 0.17 1.45
Triangulated dual graph
Density: 51.78%
Triangles: 660,411
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.73 1.00 0.85 0.82 211.61 0.00 -42.71 0.08 0.09 4.77
Degree 12 194 128.92 161.00 32,230 MAX VALUE 1,171.27 58.01 0.45 4.01
Eccentricity 2 3 2.24 2.00 560 MAX VALUE 197.62 0.43 0.19 0.55
Triangulated minimal dual graph
Density: 11.21%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.52 1.00 0.81 0.78 202.56 0.00 -56.54 0.14 0.18 3.53
Degree 2 88 27.92 8.00 6,980 MAX VALUE 625.10 32.42 1.16 3.20
Eccentricity 3 5 3.75 4.00 938 MAX VALUE 328.03 0.52 0.14 0.77
Incidence graph
Density: 1.19%
MCB compute time (ms): 239
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 18 3.45 2.00 1,000 MAX VALUE 272.90 3.80 1.10 0.74
Eccentricity 5 7 5.92 6.00 1,717 MAX VALUE 515.30 0.32 0.05 0.38
MCB cycle size 6 8 6.05 6.00 1,276 MAX VALUE 379.50 0.30 0.05 0.11