Instance: rand-2-40-16-250-350-96_ext
Number of variables: 40
Number of constraints: 250
Satisfiable: None
Timestamp: 2017-10-27 10:57:07
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 10.36 10.00 82,896 MAX VALUE 18,557.90 1.91 0.18 2.06
Relational linkage 0.19 0.62 0.45 0.44 286.88 0.00 -523.77 0.08 0.17 1.60
Tightness 0.28 0.43 0.35 0.35 88.09 0.00 -261.59 0.03 0.08 3.32
Tuples 147 185 165.79 166.00 41,448 MAX VALUE 1,277.44 7.31 0.04 3.32
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 13.00 500 MAX VALUE 100.18 2.51 0.20 2.22
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: 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 15 101 49.00 35.00 833 1.02e+27 62.19 32.43 0.66 2.67
Cluster variables 8 24 15.59 13.00 265 5.76e+19 45.50 5.78 0.37 2.36
Separator constraints 0 93 34.29 19.00 583 0 None 31.31 0.91 2.83
Separator variables 0 23 13.24 12.00 225 0 None 6.32 0.48 2.48
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 67 887 266.61 194.50 10,131 MAX VALUE 204.42 190.35 0.71 3.56
Cluster variables 16 130 42.95 30.50 1,632 MAX VALUE 136.29 28.71 0.67 3.28
Separator constraints 0 491 187.63 154.50 7,130 0 None 111.42 0.59 3.56
Separator variables 0 98 36.37 27.50 1,382 0 None 21.77 0.60 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 0.18 0.42 0.30 0.30 11.99 0.00 -48.81 0.05 0.17 3.41
Degree 7 19 12.50 13.00 500 MAX VALUE 100.18 2.51 0.20 2.22
Eccentricity 2 3 2.17 2.00 87 1.88e+13 30.56 0.38 0.17 0.46
Triangulated primal graph
Density: 64.23%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.69 1.00 0.87 0.85 34.62 0.00 -6.02 0.10 0.11 3.19
Degree 7 36 25.05 29.00 1,002 MAX VALUE 124.69 9.38 0.37 2.76
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): 3,040
MCB cycles: 3,131
Triangles: 11,812
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 0.57 0.50 0.50 125.88 0.00 -171.66 0.02 0.03 4.45
Degree 15 34 24.01 24.00 6,002 MAX VALUE 792.19 3.30 0.14 2.59
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 9,606 MAX VALUE 3,501.03 0.25 0.08 0.25
Minimal dual graph
Density: 1.48%
MCB compute time (ms): 553
MCB cycles: 211
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.00 0.33 0.00 0.00 0.83 0.00 None 0.03 9.43 0.07
Degree 2 6 3.68 4.00 920 MAX VALUE 320.00 0.80 0.22 1.13
Eccentricity 6 8 7.18 7.00 1,794 MAX VALUE 492.00 0.53 0.07 0.78
MCB cycle size 3 9 6.74 7.00 1,422 MAX VALUE 399.37 1.12 0.17 1.52
Triangulated dual graph
Density: 52.81%
Triangles: 687,044
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.73 1.00 0.85 0.83 212.21 0.00 -41.95 0.08 0.09 4.77
Degree 15 195 131.50 156.00 32,876 MAX VALUE 1,177.56 58.19 0.44 3.89
Eccentricity 2 3 2.17 2.00 543 MAX VALUE 190.72 0.38 0.17 0.46
Triangulated minimal dual graph
Density: 11.49%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.59 1.00 0.82 0.78 204.74 0.00 -53.48 0.14 0.17 3.54
Degree 2 87 28.60 8.00 7,150 MAX VALUE 629.61 33.11 1.16 3.07
Eccentricity 3 5 3.63 4.00 908 MAX VALUE 319.98 0.50 0.14 0.70
Incidence graph
Density: 1.19%
MCB compute time (ms): 365
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 273.46 3.74 1.08 0.71
Eccentricity 5 6 5.89 6.00 1,707 MAX VALUE 513.59 0.32 0.05 0.35
MCB cycle size 6 8 6.06 6.00 1,278 MAX VALUE 379.79 0.33 0.05 0.13