Instance: rand-2-40-180-84-900-25_ext
Number of variables: 40
Number of constraints: 84
Satisfiable: None
Timestamp: 2017-10-27 10:58:14
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: 28,980
Number of unique subscopes: 33
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 18.00 521,131 MAX VALUE 82,966.50 4.04 0.22 2.81
Relational linkage 0.03 0.14 0.08 0.08 452.52 0.00 -15,416.30 0.02 0.20 2.42
Tightness 0.90 0.91 0.90 0.90 75.61 0.00 -8.84 0.00 0.00 4.20
Tuples 3,072 3,372 3,237.33 3,238.00 271,936 MAX VALUE 678.92 58.68 0.02 4.20
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 4.88 4.00 161 3.33e+21 49.56 2.00 0.41 1.96
Partitions per subscope 180 180 180.00 180.00 5,940 MAX VALUE 171.37 0.00 0.00 0.00
Tree decomposition
Number of clusters: 31
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 9 3.71 4.00 115 1.84e+14 32.85 2.34 0.63 1.98
Cluster variables 2 10 4.45 4.00 138 2.10e+18 42.19 2.28 0.51 1.93
Separator constraints 0 4 1.00 0.00 31 0 None 1.24 1.24 1.29
Separator variables 0 8 3.16 3.00 98 0 None 2.13 0.67 1.93
Dual tree decomposition
Number of clusters: 37
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 65 23.41 17.00 866 MAX VALUE 104.51 16.54 0.71 3.21
Cluster variables 2 27 10.59 9.00 392 1.24e+35 80.81 6.25 0.59 2.81
Separator constraints 0 39 13.19 10.00 488 0 None 10.60 0.80 2.89
Separator variables 0 21 8.32 8.00 308 0 None 5.03 0.60 2.71
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 0.15 None None None None None 2.74
Degree 1 10 4.20 4.00 168 3.33e+21 49.56 2.34 0.56 2.08
Eccentricity 4 7 5.60 6.00 224 5.40e+29 68.46 0.83 0.15 1.21
Triangulated primal graph
Density: 18.33%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.00 1.00 None 0.79 None None None None None 3.29
Degree 1 20 7.15 4.50 286 6.76e+26 61.78 6.02 0.84 2.48
Eccentricity 3 6 5.12 5.00 205 1.66e+28 64.98 0.68 0.13 0.98
Dual graph
Density: 10.84%
MCB compute time (ms): 46
MCB cycles: 311
Triangles: 605
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 0.56 0.51 46.62 0.00 -51.98 0.15 0.28 3.46
Degree 2 16 9.00 9.00 756 MAX VALUE 177.77 3.12 0.35 2.47
Eccentricity 3 6 4.99 5.00 419 MAX VALUE 134.09 0.72 0.14 1.07
MCB cycle size 3 6 3.19 3.00 993 MAX VALUE 357.92 0.51 0.16 0.51
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 0.33 None 0.00 None None None None None 1.53
Degree 1 5 3.05 3.00 256 MAX VALUE 90.27 0.77 0.25 1.14
Eccentricity 6 9 7.56 8.00 635 MAX VALUE 169.26 0.93 0.12 1.31
MCB cycle size 3 10 6.76 7.00 304 8.63e+36 85.05 1.27 0.19 1.54
Triangulated dual graph
Density: 28.92%
Triangles: 7,564
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.33 1.00 0.78 0.76 65.48 0.00 -22.29 0.14 0.17 3.98
Degree 2 51 24.00 24.50 2,016 MAX VALUE 241.50 15.13 0.63 3.56
Eccentricity 3 5 4.35 4.00 365 MAX VALUE 122.66 0.57 0.13 0.84
Triangulated minimal dual graph
Density: 11.10%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.00 1.00 None 0.67 None None None None None 3.28
Degree 1 28 9.21 5.00 774 MAX VALUE 150.45 8.43 0.91 2.82
Eccentricity 4 7 5.68 6.00 477 MAX VALUE 145.21 0.71 0.12 1.07
Incidence graph
Density: 2.20%
MCB compute time (ms): 17
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 1.03
Degree 1 10 2.71 2.00 336 MAX VALUE 107.78 1.68 0.62 1.19
Eccentricity 7 14 11.05 11.00 1,370 MAX VALUE 296.69 1.51 0.14 1.74
MCB cycle size 6 10 7.38 8.00 332 MAX VALUE 89.42 1.10 0.15 0.81