Instance: rand-2-40-40-135-650-44_ext
Number of variables: 40
Number of constraints: 135
Satisfiable: None
Timestamp: 2017-10-27 10:57:34
Stampede: v1.0.0-797-g05e223c
Boost: 1.64.0
Benchmark comments

Instance comments



Component #1 Number of variables: 40
Number of constraints: 135
General features
Number of coarse blocks: 10,760
Number of unique subscopes: 39
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Arity 2 2 2.00 2.00 270 MAX VALUE 93.57 0.00 0.00 0.00
Coarse blocks size 4 26 14.00 14.00 150,606 MAX VALUE 28,131.00 3.01 0.21 2.52
Relational linkage 0.10 0.42 0.25 0.25 396.00 0.00 -2,168.25 0.05 0.19 2.06
Tightness 0.62 0.69 0.65 0.65 87.75 0.00 -58.18 0.01 0.02 4.10
Tuples 497 604 559.96 562.00 75,594 MAX VALUE 854.17 20.83 0.04 4.10
Domain size 40 40 40.00 40.00 1,600 MAX VALUE 147.56 0.00 0.00 0.00
Constraints per subscope 2 11 6.90 7.00 269 5.64e+31 73.11 2.11 0.31 2.05
Partitions per subscope 40 40 40.00 40.00 1,560 MAX VALUE 143.87 0.00 0.00 0.00
Tree decomposition
Number of clusters: 25
Number of leaves: 11
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 1 27 11.28 10.00 282 8.17e+23 55.06 6.74 0.60 2.60
Cluster variables 2 16 8.36 8.00 209 6.65e+21 50.25 3.80 0.46 2.37
Separator constraints 0 22 5.88 4.00 147 0 None 5.73 0.97 2.36
Separator variables 0 15 6.76 6.00 169 0 None 3.73 0.55 2.45
Dual tree decomposition
Number of clusters: 38
Number of leaves: 15
Tree depth: 6
Dot-file path: None
PDF-file path: None
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Cluster constraints 10 143 58.32 52.00 2,216 MAX VALUE 147.36 31.96 0.55 3.44
Cluster variables 5 47 18.92 16.00 719 MAX VALUE 106.22 10.63 0.56 3.01
Separator constraints 0 75 35.16 32.00 1,336 0 None 19.64 0.56 3.25
Separator variables 0 35 15.37 13.50 584 0 None 8.08 0.53 2.82
Primal graph
Density: 17.31%
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 0.67 None 0.21 None None None None None 3.01
Degree 1 11 6.75 7.00 270 5.64e+31 73.11 2.28 0.34 2.12
Eccentricity 3 4 3.55 4.00 142 6.82e+21 50.27 0.50 0.14 0.69
Triangulated primal graph
Density: 37.05%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.51 1.00 None 0.78 None None None None None 3.03
Degree 1 29 14.45 13.00 578 MAX VALUE 96.46 8.61 0.60 2.93
Eccentricity 2 4 2.95 3.00 118 4.27e+18 42.90 0.38 0.13 0.52
Dual graph
Density: 9.73%
MCB compute time (ms): 222
MCB cycles: 1,020
Triangles: 1,858
Dot-file path: None
PDF-file path: None

Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.40 1.00 0.51 0.49 68.59 0.00 -92.28 0.07 0.13 3.76
Degree 4 19 13.04 13.00 1,760 MAX VALUE 342.94 2.82 0.22 2.41
Eccentricity 3 4 3.59 4.00 484 MAX VALUE 171.04 0.49 0.14 0.68
MCB cycle size 3 5 3.38 3.00 3,443 MAX VALUE 1,226.31 0.61 0.18 0.78
Minimal dual graph
Density: 2.54%
MCB compute time (ms): 66
MCB cycles: 96
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 5 3.41 3.00 460 MAX VALUE 163.22 0.62 0.18 0.94
Eccentricity 6 8 6.84 7.00 923 MAX VALUE 259.14 0.50 0.07 0.74
MCB cycle size 4 9 6.72 7.00 645 MAX VALUE 181.33 1.16 0.17 1.54
Triangulated dual graph
Density: 34.88%
Triangles: 44,987
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.60 1.00 0.80 0.78 108.00 0.00 -31.54 0.12 0.15 4.33
Degree 4 88 46.74 52.00 6,310 MAX VALUE 488.81 25.97 0.56 3.95
Eccentricity 2 3 2.70 3.00 364 MAX VALUE 131.69 0.46 0.17 0.61
Triangulated minimal dual graph
Density: 12.08%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.48 1.00 0.78 0.71 105.58 0.00 -36.53 0.17 0.22 2.99
Degree 2 53 16.19 7.00 2,186 MAX VALUE 298.43 16.52 1.02 3.00
Eccentricity 3 4 3.59 4.00 485 MAX VALUE 171.33 0.49 0.14 0.68
Incidence graph
Density: 1.77%
MCB compute time (ms): 72
MCB cycles: 96
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 None 0.00 None None None None None 0.07
Degree 1 11 3.09 2.00 540 MAX VALUE 166.69 2.27 0.74 0.99
Eccentricity 6 9 7.73 8.00 1,353 MAX VALUE 357.06 0.77 0.10 1.13
MCB cycle size 6 10 6.85 6.00 658 MAX VALUE 183.74 1.03 0.15 0.73