Instance: rand-2-40-180-84-900-80_ext
Number of variables: 40
Number of constraints: 84
Satisfiable: None
Timestamp: 2017-10-27 10:58:27
Stampede: v1.0.0-797-g05e223c
Boost: 1.64.0
Benchmark comments

Instance comments



Component #1 Number of variables: 40
Number of constraints: 84
General features
Number of coarse blocks: 29,880
Number of unique subscopes: 38
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Arity 2 2 2.00 2.00 168 1.93e+25 58.22 0.00 0.00 0.00
Coarse blocks size 4 39 17.98 18.00 537,372 MAX VALUE 85,566.80 3.99 0.22 2.80
Relational linkage 0.02 0.14 0.08 0.08 531.73 0.00 -17,611.00 0.02 0.20 2.43
Tightness 0.90 0.90 0.90 0.90 75.61 0.00 -8.84 0.00 0.00 3.97
Tuples 3,128 3,362 3,237.77 3,234.00 271,973 MAX VALUE 678.93 46.78 0.01 3.97
Domain size 180 180 180.00 180.00 7,200 MAX VALUE 207.72 0.00 0.00 0.00
Constraints per subscope 2 10 4.37 4.00 166 1.30e+23 53.22 1.74 0.40 1.76
Partitions per subscope 180 180 180.00 180.00 6,840 MAX VALUE 197.33 0.00 0.00 0.00
Tree decomposition
Number of clusters: 32
Number of leaves: 15
Tree depth: 7
Dot-file path: None
PDF-file path: None
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Cluster constraints 1 9 4.34 4.00 139 1.97e+18 42.12 2.13 0.49 2.06
Cluster variables 2 9 5.34 4.50 171 1.25e+22 50.88 2.16 0.40 1.89
Separator constraints 0 7 1.72 1.00 55 0 None 1.87 1.09 1.65
Separator variables 0 8 4.09 3.00 131 0 None 2.18 0.53 1.97
Dual tree decomposition
Number of clusters: 38
Number of leaves: 13
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 3 63 18.29 14.50 695 MAX VALUE 99.20 13.86 0.76 3.09
Cluster variables 3 26 10.13 9.00 385 6.95e+35 82.53 5.74 0.57 2.75
Separator constraints 0 33 9.42 7.00 358 0 None 8.14 0.86 2.82
Separator variables 0 20 7.92 7.00 301 0 None 4.56 0.58 2.59
Primal graph
Density: 10.77%
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 0.33 None 0.14 None None None None None 2.06
Degree 1 10 4.20 4.00 168 1.30e+23 53.22 1.85 0.44 1.87
Eccentricity 3 5 4.08 4.00 163 1.71e+24 55.80 0.57 0.14 0.85
Triangulated primal graph
Density: 21.41%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.33 1.00 None 0.72 None None None None None 2.74
Degree 1 24 8.35 7.00 334 2.20e+31 72.17 6.30 0.75 2.76
Eccentricity 2 4 3.42 3.00 137 1.44e+21 48.72 0.54 0.16 0.79
Dual graph
Density: 9.67%
MCB compute time (ms): 33
MCB cycles: 277
Triangles: 463
Dot-file path: None
PDF-file path: None

Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.33 1.00 0.50 0.48 42.23 0.00 -59.58 0.11 0.22 3.22
Degree 2 15 8.02 8.00 674 MAX VALUE 168.94 2.88 0.36 2.39
Eccentricity 3 5 4.13 4.00 347 MAX VALUE 118.58 0.48 0.12 0.70
MCB cycle size 3 6 3.30 3.00 913 MAX VALUE 325.94 0.66 0.20 0.67
Minimal dual graph
Density: 3.67%
MCB compute time (ms): 11
MCB cycles: 45
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.00 1.00 None 0.00 None None None None None 0.38
Degree 1 4 3.05 3.00 256 MAX VALUE 91.73 0.60 0.20 0.89
Eccentricity 6 8 7.18 7.00 603 MAX VALUE 165.23 0.64 0.09 0.95
MCB cycle size 3 9 6.87 7.00 309 9.87e+36 85.18 1.63 0.24 1.80
Triangulated dual graph
Density: 27.19%
Triangles: 6,624
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.55 1.00 0.78 0.74 65.49 0.00 -22.09 0.13 0.17 3.88
Degree 2 48 22.57 20.00 1,896 MAX VALUE 237.82 14.57 0.65 3.36
Eccentricity 2 4 3.08 3.00 259 MAX VALUE 93.47 0.49 0.16 0.72
Triangulated minimal dual graph
Density: 11.16%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.33 1.00 None 0.67 None None None None None 2.94
Degree 1 29 9.26 5.00 778 MAX VALUE 154.34 8.26 0.89 2.58
Eccentricity 3 6 4.60 5.00 386 MAX VALUE 127.27 0.64 0.14 0.97
Incidence graph
Density: 2.20%
MCB compute time (ms): 19
MCB cycles: 45
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 0.77
Degree 1 10 2.71 2.00 336 MAX VALUE 111.44 1.47 0.54 1.13
Eccentricity 7 10 8.69 9.00 1,077 MAX VALUE 267.41 0.87 0.10 1.26
MCB cycle size 6 12 8.04 8.00 362 MAX VALUE 92.81 1.71 0.21 1.21