Instance: rand-2-40-180-84-900-85_ext
Number of variables: 40
Number of constraints: 84
Satisfiable: None
Timestamp: 2017-10-27 10:58:11
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: 29,520
Number of unique subscopes: 36
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 5 34 18.04 18.00 532,547 MAX VALUE 84,621.90 4.01 0.22 2.80
Relational linkage 0.03 0.14 0.08 0.08 501.68 0.00 -16,715.50 0.02 0.20 2.44
Tightness 0.90 0.90 0.90 0.90 75.58 0.00 -8.87 0.00 0.00 4.25
Tuples 3,105 3,367 3,247.45 3,248.50 272,786 MAX VALUE 679.18 53.72 0.02 4.25
Domain size 180 180 180.00 180.00 7,200 MAX VALUE 207.72 0.00 0.00 0.00
Constraints per subscope 2 11 4.56 4.00 164 2.00e+22 51.35 1.96 0.43 1.91
Partitions per subscope 180 180 180.00 180.00 6,480 MAX VALUE 186.95 0.00 0.00 0.00
Tree decomposition
Number of clusters: 30
Number of leaves: 13
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 11 4.13 3.50 124 6.18e+15 36.36 2.60 0.63 2.12
Cluster variables 2 11 5.00 4.00 150 3.00e+19 44.85 2.42 0.48 2.11
Separator constraints 0 8 1.33 0.50 40 0 None 2.09 1.57 1.45
Separator variables 0 9 3.67 3.00 110 0 None 2.26 0.62 2.11
Dual tree decomposition
Number of clusters: 37
Number of leaves: 12
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 4 55 19.97 17.00 739 MAX VALUE 102.35 13.19 0.66 3.17
Cluster variables 4 24 10.32 9.00 382 4.37e+35 82.06 5.15 0.50 2.59
Separator constraints 0 36 10.22 9.00 378 0 None 7.91 0.77 2.88
Separator variables 0 17 8.05 7.00 298 0 None 4.00 0.50 2.58
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 1.00 None 0.10 None None None None None 2.45
Degree 1 11 4.20 4.00 168 2.00e+22 51.35 2.15 0.51 2.04
Eccentricity 3 5 3.95 4.00 158 5.60e+23 54.68 0.44 0.11 0.63
Triangulated primal graph
Density: 21.15%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.45 1.00 None 0.69 None None None None None 3.12
Degree 1 20 8.25 5.00 330 9.61e+29 69.04 6.39 0.77 2.57
Eccentricity 2 4 3.35 3.00 134 5.39e+20 47.74 0.57 0.17 0.85
Dual graph
Density: 10.36%
MCB compute time (ms): 46
MCB cycles: 285
Triangles: 558
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 0.53 0.50 44.26 0.00 -56.08 0.14 0.26 3.28
Degree 3 17 8.60 8.00 722 MAX VALUE 175.06 3.09 0.36 2.43
Eccentricity 3 5 4.04 4.00 339 MAX VALUE 117.05 0.24 0.06 0.26
MCB cycle size 3 6 3.19 3.00 908 MAX VALUE 327.17 0.53 0.17 0.49
Minimal dual graph
Density: 3.67%
MCB compute time (ms): 13
MCB cycles: 45
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.00 0.33 None 0.00 None None None None None 0.24
Degree 1 5 3.05 3.00 256 MAX VALUE 91.43 0.65 0.21 0.98
Eccentricity 6 8 7.02 7.00 590 MAX VALUE 163.37 0.65 0.09 0.98
MCB cycle size 3 9 6.89 7.00 310 1.81e+37 85.79 1.37 0.20 1.66
Triangulated dual graph
Density: 26.51%
Triangles: 5,909
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.48 1.00 0.78 0.77 65.39 0.00 -22.46 0.14 0.18 3.87
Degree 3 50 22.00 21.00 1,848 MAX VALUE 238.71 13.46 0.61 3.63
Eccentricity 2 3 2.71 3.00 228 7.11e+35 82.55 0.45 0.17 0.60
Triangulated minimal dual graph
Density: 11.93%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.41 1.00 None 0.67 None None None None None 3.02
Degree 1 32 9.90 5.00 832 MAX VALUE 156.69 9.18 0.93 2.76
Eccentricity 3 5 3.94 4.00 331 MAX VALUE 114.17 0.60 0.15 0.91
Incidence graph
Density: 2.20%
MCB compute time (ms): 20
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 0.94
Degree 1 11 2.71 2.00 336 MAX VALUE 109.58 1.60 0.59 1.13
Eccentricity 7 10 8.51 8.50 1,055 MAX VALUE 265.09 0.68 0.08 1.03
MCB cycle size 6 12 7.87 8.00 354 MAX VALUE 91.83 1.65 0.21 1.16