Instance: rand-2-40-16-250-350-63_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 10.38 10.00 83,056 MAX VALUE 18,574.60 1.91 0.18 2.06
Relational linkage 0.19 0.62 0.45 0.44 289.06 0.00 -517.78 0.07 0.16 1.56
Tightness 0.27 0.43 0.35 0.35 87.78 0.00 -262.57 0.03 0.09 3.37
Tuples 146 188 166.11 166.00 41,528 MAX VALUE 1,277.90 7.69 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 7 17 12.50 13.00 500 MAX VALUE 99.93 2.77 0.22 2.18
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: 4
Dot-file path: None
PDF-file path: None
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Cluster constraints 12 112 44.94 32.50 719 7.68e+24 57.30 30.04 0.67 2.60
Cluster variables 8 25 14.38 12.50 230 1.09e+18 41.53 5.41 0.38 2.25
Separator constraints 0 90 29.31 19.00 469 0 None 25.14 0.86 2.69
Separator variables 0 22 11.88 11.00 190 0 None 5.58 0.47 2.25
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 50 830 267.76 205.50 10,175 MAX VALUE 203.95 190.99 0.71 3.56
Cluster variables 14 130 43.00 31.00 1,634 MAX VALUE 136.04 29.18 0.68 3.35
Separator constraints 0 464 188.05 172.00 7,146 0 None 111.41 0.59 3.56
Separator variables 0 100 36.42 28.50 1,384 0 None 22.18 0.61 3.26
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 0.50 0.32 0.32 12.71 0.00 -46.39 0.05 0.16 3.30
Degree 7 17 12.50 13.00 500 MAX VALUE 99.93 2.77 0.22 2.18
Eccentricity 2 3 2.33 2.00 93 2.14e+14 33.00 0.47 0.20 0.63
Triangulated primal graph
Density: 62.82%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.72 1.00 0.86 0.85 34.46 0.00 -6.21 0.09 0.11 3.19
Degree 7 34 24.50 29.00 980 MAX VALUE 123.55 9.38 0.38 2.72
Eccentricity 2 3 2.05 2.00 82 2.47e+12 28.54 0.22 0.11 0.20
Dual graph
Density: 9.73%
MCB compute time (ms): 5,197
MCB cycles: 2,997
Triangles: 12,103
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 0.60 0.51 0.50 126.69 0.00 -170.13 0.02 0.04 4.35
Degree 13 32 24.23 24.00 6,058 MAX VALUE 794.17 3.49 0.14 2.60
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 9,125 MAX VALUE 3,331.09 0.21 0.07 0.18
Minimal dual graph
Density: 1.48%
MCB compute time (ms): 574
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 320.30 0.78 0.21 1.12
Eccentricity 6 8 7.03 7.00 1,758 MAX VALUE 486.80 0.56 0.08 0.85
MCB cycle size 4 9 6.88 7.00 1,451 MAX VALUE 403.64 1.13 0.16 1.50
Triangulated dual graph
Density: 53.44%
Triangles: 703,635
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.76 1.00 0.85 0.83 212.67 0.00 -41.38 0.08 0.09 4.68
Degree 13 191 133.06 156.00 33,266 MAX VALUE 1,180.38 58.43 0.44 3.71
Eccentricity 2 3 2.20 2.00 549 MAX VALUE 193.16 0.40 0.18 0.49
Triangulated minimal dual graph
Density: 11.57%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.54 1.00 0.82 0.79 204.75 0.00 -53.47 0.14 0.17 3.43
Degree 2 90 28.81 7.00 7,202 MAX VALUE 629.84 33.39 1.16 3.23
Eccentricity 3 5 3.61 4.00 903 MAX VALUE 318.54 0.50 0.14 0.71
Incidence graph
Density: 1.19%
MCB compute time (ms): 327
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 273.21 3.76 1.09 0.70
Eccentricity 5 7 5.92 6.00 1,718 MAX VALUE 515.46 0.32 0.05 0.40
MCB cycle size 6 8 6.04 6.00 1,274 MAX VALUE 379.21 0.27 0.05 0.09