Instance: rand-2-40-16-250-350-34_ext
Number of variables: 40
Number of constraints: 250
Satisfiable: None
Timestamp: 2017-10-27 10:57:02
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 10.43 10.00 83,458 MAX VALUE 18,620.80 1.87 0.18 2.04
Relational linkage 0.19 0.62 0.46 0.44 292.50 0.00 -510.41 0.07 0.16 1.58
Tightness 0.27 0.43 0.35 0.35 87.00 0.00 -264.76 0.03 0.08 3.31
Tuples 147 188 166.92 166.50 41,729 MAX VALUE 1,279.13 7.36 0.04 3.31
Domain size 16 16 16.00 16.00 640 MAX VALUE 110.90 0.00 0.00 0.00
Constraints per subscope 7 19 12.50 12.50 500 MAX VALUE 99.93 2.85 0.23 2.20
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 17 101 51.65 38.00 878 3.11e+27 63.30 33.05 0.64 2.51
Cluster variables 8 24 15.82 13.00 269 6.31e+19 45.59 6.17 0.39 2.15
Separator constraints 0 91 36.94 22.00 628 0 None 31.93 0.86 2.51
Separator variables 0 23 13.47 12.00 229 0 None 6.72 0.50 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 58 846 269.82 220.50 10,253 MAX VALUE 204.12 195.28 0.72 3.60
Cluster variables 15 125 42.82 30.00 1,627 MAX VALUE 135.97 28.80 0.67 3.25
Separator constraints 0 512 189.90 167.50 7,216 0 None 116.98 0.62 3.60
Separator variables 0 100 36.24 28.00 1,377 0 None 21.97 0.61 3.32
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 0.21 0.48 0.34 0.34 13.57 0.00 -43.80 0.06 0.17 3.42
Degree 7 19 12.50 12.50 500 MAX VALUE 99.93 2.85 0.23 2.20
Eccentricity 2 3 2.27 2.00 91 9.51e+13 32.19 0.45 0.20 0.59
Triangulated primal graph
Density: 64.74%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.69 1.00 0.87 0.86 34.69 0.00 -5.88 0.08 0.10 3.24
Degree 7 36 25.25 29.50 1,010 MAX VALUE 124.99 9.28 0.37 2.78
Eccentricity 2 3 2.10 2.00 84 5.57e+12 29.35 0.30 0.14 0.33
Dual graph
Density: 9.76%
MCB compute time (ms): 3,342
MCB cycles: 3,040
Triangles: 12,270
Dot-file path: None
PDF-file path: None

Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.48 0.60 0.51 0.50 126.95 0.00 -169.62 0.02 0.04 4.51
Degree 14 34 24.30 24.00 6,074 MAX VALUE 794.37 3.84 0.16 2.72
Eccentricity 3 3 3.00 3.00 750 MAX VALUE 274.65 0.00 0.00 0.00
MCB cycle size 3 4 3.07 3.00 9,328 MAX VALUE 3,399.62 0.25 0.08 0.25
Minimal dual graph
Density: 1.48%
MCB compute time (ms): 310
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 319.07 0.85 0.23 1.22
Eccentricity 6 9 7.21 7.00 1,803 MAX VALUE 493.06 0.61 0.08 0.91
MCB cycle size 4 10 6.69 7.00 1,411 MAX VALUE 397.52 1.16 0.17 1.55
Triangulated dual graph
Density: 52.51%
Triangles: 676,062
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.74 1.00 0.85 0.82 211.71 0.00 -42.58 0.08 0.09 4.87
Degree 14 193 130.75 153.00 32,688 MAX VALUE 1,176.13 57.83 0.44 4.10
Eccentricity 2 3 2.18 2.00 545 MAX VALUE 191.53 0.38 0.18 0.47
Triangulated minimal dual graph
Density: 10.67%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.50 1.00 0.81 0.76 202.06 0.00 -57.47 0.15 0.18 3.48
Degree 2 86 26.56 7.00 6,640 MAX VALUE 613.29 31.17 1.17 3.23
Eccentricity 3 5 3.85 4.00 963 MAX VALUE 334.51 0.55 0.14 0.82
Incidence graph
Density: 1.19%
MCB compute time (ms): 235
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 273.22 3.77 1.09 0.71
Eccentricity 5 7 5.91 6.00 1,715 MAX VALUE 514.94 0.33 0.06 0.40
MCB cycle size 6 8 6.02 6.00 1,270 MAX VALUE 378.64 0.19 0.03 0.05