Instance: rand-2-40-16-250-350-71_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 10.38 10.00 83,044 MAX VALUE 18,568.40 1.94 0.19 2.08
Relational linkage 0.19 0.62 0.44 0.44 284.56 0.00 -528.46 0.07 0.17 1.57
Tightness 0.28 0.44 0.35 0.35 87.80 0.00 -262.48 0.03 0.08 3.36
Tuples 144 184 166.09 167.00 41,522 MAX VALUE 1,277.86 7.61 0.05 3.36
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 12.00 500 MAX VALUE 100.11 2.64 0.21 2.17
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: 15
Number of leaves: 8
Tree depth: 3
Dot-file path: None
PDF-file path: None
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Cluster constraints 13 102 43.00 33.00 645 3.38e+23 54.18 24.54 0.57 2.62
Cluster variables 8 26 14.80 13.00 222 1.65e+17 39.64 4.90 0.33 2.40
Separator constraints 0 74 26.33 21.00 395 0 None 19.10 0.73 2.52
Separator variables 0 22 12.13 11.00 182 0 None 5.06 0.42 2.40
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 43 821 269.92 214.00 10,257 MAX VALUE 204.05 194.09 0.72 3.56
Cluster variables 13 126 43.13 31.50 1,639 MAX VALUE 136.20 29.09 0.67 3.30
Separator constraints 0 483 190.60 174.00 7,243 0 None 115.64 0.61 3.56
Separator variables 0 100 36.55 30.00 1,389 0 None 22.18 0.61 3.35
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 0.22 0.40 0.31 0.30 12.51 0.00 -47.01 0.05 0.16 3.27
Degree 7 19 12.50 12.00 500 MAX VALUE 100.11 2.64 0.21 2.17
Eccentricity 2 3 2.20 2.00 88 2.82e+13 30.97 0.40 0.18 0.50
Triangulated primal graph
Density: 65.00%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.72 1.00 0.86 0.83 34.51 0.00 -6.12 0.09 0.10 3.27
Degree 7 35 25.35 31.00 1,014 MAX VALUE 125.53 9.17 0.36 2.60
Eccentricity 2 3 2.05 2.00 82 2.47e+12 28.54 0.22 0.11 0.20
Dual graph
Density: 9.68%
MCB compute time (ms): 2,139
MCB cycles: 3,685
Triangles: 11,997
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 0.59 0.50 0.50 125.95 0.00 -171.53 0.02 0.03 4.44
Degree 12 34 24.11 24.00 6,028 MAX VALUE 792.61 3.70 0.15 2.67
Eccentricity 3 3 3.00 3.00 750 MAX VALUE 274.65 0.00 0.00 0.00
MCB cycle size 3 4 3.19 3.00 11,738 MAX VALUE 4,244.87 0.39 0.12 0.48
Minimal dual graph
Density: 1.48%
MCB compute time (ms): 348
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 0.90 0.00 None 0.03 7.50 0.15
Degree 2 6 3.68 3.00 920 MAX VALUE 319.12 0.86 0.23 1.19
Eccentricity 6 9 7.16 7.00 1,791 MAX VALUE 491.44 0.59 0.08 0.87
MCB cycle size 3 10 6.76 7.00 1,427 MAX VALUE 399.56 1.22 0.18 1.58
Triangulated dual graph
Density: 53.23%
Triangles: 692,124
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.74 1.00 0.85 0.82 212.05 0.00 -42.19 0.08 0.09 4.79
Degree 12 197 132.54 161.50 33,134 MAX VALUE 1,180.65 57.70 0.44 3.97
Eccentricity 2 3 2.30 2.00 576 MAX VALUE 204.10 0.46 0.20 0.61
Triangulated minimal dual graph
Density: 11.04%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.45 1.00 0.81 0.79 202.79 0.00 -56.26 0.14 0.18 3.49
Degree 2 86 27.48 7.00 6,870 MAX VALUE 621.67 32.11 1.17 3.15
Eccentricity 3 5 3.74 4.00 936 MAX VALUE 327.32 0.54 0.14 0.80
Incidence graph
Density: 1.19%
MCB compute time (ms): 230
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 273.39 3.75 1.09 0.70
Eccentricity 5 7 5.90 6.00 1,712 MAX VALUE 514.39 0.34 0.06 0.42
MCB cycle size 6 8 6.06 6.00 1,278 MAX VALUE 379.79 0.33 0.05 0.13