Instance: rand-2-40-180-84-900-38_ext
Number of variables: 40
Number of constraints: 84
Satisfiable: None
Timestamp: 2017-10-27 10:58:13
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: 30,060
Number of unique subscopes: 39
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Arity 2 2 2.00 2.00 168 1.93e+25 58.22 0.00 0.00 0.00
Coarse blocks size 5 36 17.98 18.00 540,524 MAX VALUE 86,071.60 4.01 0.22 2.80
Relational linkage 0.03 0.14 0.08 0.08 548.01 0.00 -18,049.40 0.02 0.20 2.45
Tightness 0.90 0.90 0.90 0.90 75.61 0.00 -8.84 0.00 0.00 4.12
Tuples 3,093 3,360 3,236.63 3,245.50 271,877 MAX VALUE 678.90 50.43 0.02 4.12
Domain size 180 180 180.00 180.00 7,200 MAX VALUE 207.72 0.00 0.00 0.00
Constraints per subscope 2 8 4.28 4.00 167 2.01e+23 53.66 1.65 0.38 1.82
Partitions per subscope 180 180 180.00 180.00 7,020 MAX VALUE 202.53 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 8 3.93 4.00 118 9.83e+15 36.82 1.95 0.50 1.94
Cluster variables 2 11 5.37 4.50 161 4.45e+20 47.54 2.43 0.45 1.99
Separator constraints 0 5 1.13 1.00 34 0 None 1.38 1.22 1.41
Separator variables 0 9 4.03 3.00 121 0 None 2.32 0.57 1.99
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 3 45 17.42 18.00 662 MAX VALUE 101.38 9.53 0.55 3.00
Cluster variables 4 23 10.39 9.00 395 3.74e+36 84.21 5.37 0.52 2.63
Separator constraints 0 26 8.82 9.50 335 0 None 5.69 0.65 2.62
Separator variables 0 18 8.18 7.50 311 0 None 4.21 0.51 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 0.67 None 0.03 None None None None None 1.74
Degree 1 8 4.20 4.00 168 2.01e+23 53.66 1.71 0.41 1.89
Eccentricity 3 5 4.28 4.00 171 1.32e+25 57.84 0.50 0.12 0.72
Triangulated primal graph
Density: 22.56%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.37 1.00 None 0.75 None None None None None 2.88
Degree 1 24 8.80 5.50 352 8.75e+31 73.55 6.69 0.76 2.55
Eccentricity 2 4 2.85 3.00 114 7.50e+17 41.16 0.53 0.18 0.78
Dual graph
Density: 9.38%
MCB compute time (ms): 27
MCB cycles: 269
Triangles: 404
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 0.47 41.82 0.00 -60.19 0.10 0.21 2.99
Degree 3 13 7.79 8.00 654 MAX VALUE 168.59 2.19 0.28 2.14
Eccentricity 4 5 4.19 4.00 352 MAX VALUE 120.02 0.39 0.09 0.49
MCB cycle size 3 6 3.41 3.00 917 MAX VALUE 323.55 0.82 0.24 0.73
Minimal dual graph
Density: 3.67%
MCB compute time (ms): 9
MCB cycles: 45
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 0.70
Degree 1 4 3.05 3.00 256 MAX VALUE 91.26 0.67 0.22 1.01
Eccentricity 6 9 6.92 7.00 581 MAX VALUE 162.06 0.68 0.10 0.99
MCB cycle size 4 9 7.13 7.00 321 1.27e+38 87.74 1.19 0.17 1.55
Triangulated dual graph
Density: 27.25%
Triangles: 6,308
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.50 1.00 0.78 0.75 65.49 0.00 -22.33 0.14 0.18 3.77
Degree 3 52 22.62 23.00 1,900 MAX VALUE 240.04 14.05 0.62 3.42
Eccentricity 2 4 2.86 3.00 240 5.76e+37 86.95 0.47 0.16 0.67
Triangulated minimal dual graph
Density: 12.39%
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 2.98
Degree 1 31 10.29 5.00 864 MAX VALUE 157.95 9.60 0.93 2.76
Eccentricity 3 6 4.54 5.00 381 MAX VALUE 126.24 0.61 0.13 0.92
Incidence graph
Density: 2.20%
MCB compute time (ms): 16
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 0.50
Degree 1 8 2.71 2.00 336 MAX VALUE 111.88 1.41 0.52 1.06
Eccentricity 7 11 8.87 9.00 1,100 MAX VALUE 270.12 0.84 0.09 1.20
MCB cycle size 6 12 8.40 8.00 378 MAX VALUE 94.83 1.67 0.20 1.16