Instance: rand-2-40-16-250-350-49_ext
Number of variables: 40
Number of constraints: 250
Satisfiable: None
Timestamp: 2017-10-27 10:56:50
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 10.37 10.00 82,928 MAX VALUE 18,559.80 1.92 0.19 2.07
Relational linkage 0.19 0.62 0.45 0.44 286.75 0.00 -523.41 0.07 0.17 1.58
Tightness 0.28 0.44 0.35 0.35 88.03 0.00 -261.89 0.03 0.09 3.38
Tuples 143 185 165.86 166.00 41,464 MAX VALUE 1,277.50 7.86 0.05 3.38
Domain size 16 16 16.00 16.00 640 MAX VALUE 110.90 0.00 0.00 0.00
Constraints per subscope 7 20 12.50 12.00 500 MAX VALUE 99.86 2.99 0.24 2.42
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: 18
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 86 41.83 34.50 753 8.86e+27 64.35 23.06 0.55 2.74
Cluster variables 8 23 14.39 13.50 259 2.29e+20 46.88 5.09 0.35 2.40
Separator constraints 0 66 27.94 19.00 503 0 None 20.90 0.75 2.66
Separator variables 0 21 12.17 11.00 219 0 None 5.50 0.45 2.40
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 64 878 275.79 209.00 10,480 MAX VALUE 204.65 208.33 0.76 3.60
Cluster variables 16 130 43.45 31.50 1,651 MAX VALUE 136.25 30.05 0.69 3.40
Separator constraints 0 542 195.42 160.50 7,426 0 None 125.36 0.64 3.64
Separator variables 0 102 36.87 29.00 1,401 0 None 23.12 0.63 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 0.22 0.45 0.33 0.33 13.32 0.00 -44.48 0.05 0.16 3.33
Degree 7 20 12.50 12.00 500 MAX VALUE 99.86 2.99 0.24 2.42
Eccentricity 2 3 2.20 2.00 88 2.82e+13 30.97 0.40 0.18 0.50
Triangulated primal graph
Density: 60.51%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.65 1.00 0.85 0.84 34.12 0.00 -6.68 0.11 0.13 3.19
Degree 7 36 23.60 27.00 944 MAX VALUE 121.93 9.42 0.40 2.88
Eccentricity 2 3 2.05 2.00 82 2.47e+12 28.54 0.22 0.11 0.20
Dual graph
Density: 9.81%
MCB compute time (ms): 1,991
MCB cycles: 3,326
Triangles: 12,506
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 0.63 0.51 0.50 127.45 0.00 -168.67 0.02 0.05 4.72
Degree 15 35 24.43 24.00 6,108 MAX VALUE 795.53 3.99 0.16 2.77
Eccentricity 3 4 3.01 3.00 752 MAX VALUE 275.23 0.09 0.03 0.05
MCB cycle size 3 4 3.08 3.00 10,240 MAX VALUE 3,729.36 0.27 0.09 0.28
Minimal dual graph
Density: 1.48%
MCB compute time (ms): 321
MCB cycles: 211
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.00 0.17 0.00 0.00 0.63 0.00 None 0.02 6.63 0.13
Degree 2 6 3.68 4.00 920 MAX VALUE 319.04 0.86 0.23 1.22
Eccentricity 6 8 7.20 7.00 1,799 MAX VALUE 492.53 0.59 0.08 0.88
MCB cycle size 3 9 6.74 7.00 1,422 MAX VALUE 399.05 1.16 0.17 1.53
Triangulated dual graph
Density: 54.36%
Triangles: 729,006
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.73 1.00 0.85 0.84 213.25 0.00 -40.65 0.07 0.09 4.87
Degree 15 203 135.36 160.00 33,840 MAX VALUE 1,185.41 58.62 0.43 4.12
Eccentricity 2 3 2.20 2.00 550 MAX VALUE 193.56 0.40 0.18 0.50
Triangulated minimal dual graph
Density: 10.69%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.54 1.00 0.81 0.78 202.85 0.00 -56.50 0.15 0.18 3.47
Degree 2 85 26.62 7.00 6,656 MAX VALUE 612.79 31.39 1.18 3.16
Eccentricity 3 5 3.76 4.00 940 MAX VALUE 328.60 0.52 0.14 0.76
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 20 3.45 2.00 1,000 MAX VALUE 273.14 3.79 1.10 0.73
Eccentricity 5 8 5.92 6.00 1,717 MAX VALUE 515.12 0.39 0.07 0.47
MCB cycle size 6 8 6.02 6.00 1,270 MAX VALUE 378.64 0.19 0.03 0.05