Instance: rand-2-40-180-84-900-77_ext
Number of variables: 40
Number of constraints: 84
Satisfiable: None
Timestamp: 2017-10-27 10:58:23
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: 29,700
Number of unique subscopes: 37
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 35 17.94 18.00 532,812 MAX VALUE 84,956.30 4.02 0.22 2.81
Relational linkage 0.02 0.14 0.08 0.08 513.01 0.00 -17,217.20 0.02 0.20 2.45
Tightness 0.90 0.90 0.90 0.90 75.63 0.00 -8.82 0.00 0.00 3.97
Tuples 3,102 3,337 3,229.30 3,231.00 271,261 MAX VALUE 678.71 51.72 0.02 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 9 4.46 4.00 165 6.61e+22 52.54 1.72 0.39 1.87
Partitions per subscope 180 180 180.00 180.00 6,660 MAX VALUE 192.14 0.00 0.00 0.00
Tree decomposition
Number of clusters: 32
Number of leaves: 11
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 4.19 4.00 134 2.12e+17 39.90 2.31 0.55 2.09
Cluster variables 2 9 5.22 5.00 167 5.05e+21 49.97 2.12 0.41 1.85
Separator constraints 0 6 1.56 1.00 50 0 None 1.69 1.08 1.62
Separator variables 0 7 3.97 3.50 127 0 None 2.13 0.54 1.85
Dual tree decomposition
Number of clusters: 38
Number of leaves: 13
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 6 44 16.74 16.00 636 MAX VALUE 101.06 9.11 0.54 2.76
Cluster variables 4 18 9.47 8.50 360 4.30e+35 82.05 4.02 0.42 2.37
Separator constraints 0 17 7.79 7.00 296 0 None 4.70 0.60 2.47
Separator variables 0 14 7.26 6.50 276 0 None 3.10 0.43 2.30
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 0.50 None 0.17 None None None None None 2.32
Degree 1 9 4.20 4.00 168 6.61e+22 52.54 1.89 0.45 1.99
Eccentricity 4 6 4.80 5.00 192 1.24e+27 62.39 0.64 0.13 0.95
Triangulated primal graph
Density: 20.90%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.39 1.00 None 0.73 None None None None None 3.11
Degree 1 22 8.15 6.50 326 8.39e+30 71.20 5.76 0.71 2.69
Eccentricity 3 5 3.83 4.00 153 1.25e+23 53.18 0.59 0.15 0.88
Dual graph
Density: 9.75%
MCB compute time (ms): 29
MCB cycles: 263
Triangles: 461
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 0.52 0.49 43.60 0.00 -56.95 0.12 0.24 3.07
Degree 3 15 8.10 8.50 680 MAX VALUE 170.74 2.64 0.33 2.28
Eccentricity 4 6 4.42 4.00 371 MAX VALUE 124.18 0.54 0.12 0.76
MCB cycle size 3 6 3.17 3.00 835 MAX VALUE 301.08 0.53 0.17 0.47
Minimal dual graph
Density: 3.67%
MCB compute time (ms): 8
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 0.26
Degree 1 5 3.05 3.00 256 MAX VALUE 90.96 0.72 0.24 1.09
Eccentricity 6 9 7.77 8.00 653 MAX VALUE 171.86 0.76 0.10 1.10
MCB cycle size 3 10 6.27 6.00 282 1.26e+35 80.82 1.70 0.27 1.87
Triangulated dual graph
Density: 22.52%
Triangles: 3,981
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.44 1.00 0.76 0.76 64.17 0.00 -24.42 0.15 0.20 3.79
Degree 3 46 18.69 18.50 1,570 MAX VALUE 227.91 11.00 0.59 3.29
Eccentricity 2 4 3.30 3.00 277 MAX VALUE 99.24 0.51 0.15 0.73
Triangulated minimal dual graph
Density: 11.02%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.36 1.00 None 0.67 None None None None None 2.91
Degree 1 31 9.14 5.00 768 MAX VALUE 151.75 8.34 0.91 2.73
Eccentricity 3 5 3.85 4.00 323 MAX VALUE 112.26 0.55 0.14 0.81
Incidence graph
Density: 2.20%
MCB compute time (ms): 14
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 0.67
Degree 1 9 2.71 2.00 336 MAX VALUE 110.77 1.49 0.55 1.14
Eccentricity 8 13 9.69 9.00 1,201 MAX VALUE 280.69 1.16 0.12 1.50
MCB cycle size 6 12 7.60 8.00 342 MAX VALUE 90.36 1.55 0.20 1.10