Instance: rand-2-40-16-250-350-81_ext
Number of variables: 40
Number of constraints: 250
Satisfiable: None
Timestamp: 2017-10-27 10:57:06
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 10.46 11.00 83,680 MAX VALUE 18,635.70 1.91 0.18 2.06
Relational linkage 0.19 0.69 0.45 0.44 290.25 0.00 -515.98 0.08 0.17 1.61
Tightness 0.27 0.45 0.35 0.34 86.56 0.00 -266.00 0.03 0.08 3.31
Tuples 142 186 167.36 168.00 41,840 MAX VALUE 1,279.79 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 8 17 12.50 12.50 500 MAX VALUE 100.20 2.51 0.20 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: 16
Number of leaves: 8
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 97 46.00 35.00 736 1.55e+25 58.00 29.17 0.63 2.69
Cluster variables 9 25 15.44 13.00 247 3.64e+18 42.74 5.66 0.37 2.25
Separator constraints 0 82 30.38 20.00 486 0 None 26.34 0.87 2.60
Separator variables 0 23 12.94 11.50 207 0 None 6.09 0.47 2.25
Dual tree decomposition
Number of clusters: 38
Number of leaves: 19
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 67 902 273.05 205.00 10,376 MAX VALUE 204.52 202.38 0.74 3.56
Cluster variables 16 135 43.66 31.50 1,659 MAX VALUE 136.58 29.95 0.69 3.40
Separator constraints 0 541 194.08 171.00 7,375 0 None 120.33 0.62 3.56
Separator variables 0 105 37.08 29.00 1,409 0 None 22.77 0.61 3.33
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 0.16 0.44 0.30 0.29 11.88 0.00 -49.36 0.06 0.19 3.47
Degree 8 17 12.50 12.50 500 MAX VALUE 100.20 2.51 0.20 2.11
Eccentricity 2 3 2.25 2.00 90 6.34e+13 31.78 0.43 0.19 0.56
Triangulated primal graph
Density: 65.00%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.70 1.00 0.86 0.86 34.58 0.00 -6.02 0.09 0.10 3.20
Degree 8 36 25.35 30.00 1,014 MAX VALUE 125.41 9.19 0.36 2.63
Eccentricity 2 3 2.05 2.00 82 2.47e+12 28.54 0.22 0.11 0.20
Dual graph
Density: 9.64%
MCB compute time (ms): 4,691
MCB cycles: 2,878
Triangles: 11,826
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 0.50 125.48 0.00 -172.44 0.02 0.03 4.30
Degree 15 32 24.01 24.00 6,002 MAX VALUE 791.77 3.56 0.15 2.58
Eccentricity 3 3 3.00 3.00 750 MAX VALUE 274.65 0.00 0.00 0.00
MCB cycle size 3 4 3.03 3.00 8,730 MAX VALUE 3,189.42 0.18 0.06 0.15
Minimal dual graph
Density: 1.48%
MCB compute time (ms): 265
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 320.20 0.79 0.21 1.10
Eccentricity 6 8 7.24 7.00 1,809 MAX VALUE 494.09 0.53 0.07 0.79
MCB cycle size 4 10 6.77 7.00 1,428 MAX VALUE 400.59 1.09 0.16 1.50
Triangulated dual graph
Density: 55.11%
Triangles: 749,308
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.75 1.00 0.85 0.83 213.64 0.00 -40.13 0.07 0.08 4.70
Degree 15 198 137.23 168.50 34,308 MAX VALUE 1,189.60 58.72 0.43 3.94
Eccentricity 2 3 2.15 2.00 538 MAX VALUE 188.69 0.36 0.17 0.43
Triangulated minimal dual graph
Density: 11.60%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.53 1.00 0.82 0.78 204.68 0.00 -53.97 0.14 0.18 3.44
Degree 2 88 28.90 7.50 7,224 MAX VALUE 630.97 33.38 1.16 3.17
Eccentricity 3 5 3.74 4.00 936 MAX VALUE 327.52 0.52 0.14 0.76
Incidence graph
Density: 1.19%
MCB compute time (ms): 237
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 273.49 3.74 1.08 0.69
Eccentricity 5 7 5.92 6.00 1,718 MAX VALUE 515.37 0.35 0.06 0.46
MCB cycle size 6 8 6.11 6.00 1,290 MAX VALUE 381.51 0.46 0.08 0.22