Instance: rand-2-40-80-103-800-73_ext
Number of variables: 40
Number of constraints: 103
Satisfiable: None
Timestamp: 2017-10-27 10:58:07
Stampede: v1.0.0-797-g05e223c
Boost: 1.64.0
Benchmark comments

Instance comments



Component #1 Number of variables: 40
Number of constraints: 103
General features
Number of coarse blocks: 16,400
Number of unique subscopes: 39
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Arity 2 2 2.00 2.00 206 1.01e+31 71.39 0.00 0.00 0.00
Coarse blocks size 4 31 15.97 16.00 261,861 MAX VALUE 45,005.20 3.57 0.22 2.69
Relational linkage 0.05 0.28 0.15 0.15 469.90 0.00 -5,970.88 0.03 0.20 2.29
Tightness 0.79 0.81 0.80 0.80 82.44 0.00 -22.93 0.00 0.01 4.08
Tuples 1,198 1,341 1,277.33 1,284.00 131,565 MAX VALUE 736.68 30.17 0.02 4.08
Domain size 80 80 80.00 80.00 3,200 MAX VALUE 175.28 0.00 0.00 0.00
Constraints per subscope 2 10 5.26 5.00 205 4.78e+26 61.43 2.13 0.41 2.04
Partitions per subscope 80 80 80.00 80.00 3,120 MAX VALUE 170.90 0.00 0.00 0.00
Tree decomposition
Number of clusters: 28
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 12 5.25 4.50 147 1.07e+18 41.52 3.16 0.60 2.11
Cluster variables 2 12 6.11 5.50 171 7.08e+20 48.01 2.72 0.44 2.03
Separator constraints 0 8 1.57 1.00 44 0 None 2.16 1.38 1.61
Separator variables 0 11 4.68 4.00 131 0 None 2.55 0.55 2.14
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 4 106 33.03 25.00 1,255 MAX VALUE 121.50 26.20 0.79 3.37
Cluster variables 4 38 13.89 11.00 528 MAX VALUE 93.77 8.49 0.61 2.95
Separator constraints 0 75 19.21 13.00 730 0 None 16.85 0.88 3.22
Separator variables 0 28 11.18 9.00 425 0 None 6.63 0.59 2.92
Primal graph
Density: 13.21%
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 0.07 None None None None None 2.08
Degree 1 10 5.15 5.00 206 4.78e+26 61.43 2.21 0.43 2.10
Eccentricity 3 5 3.75 4.00 150 5.61e+22 52.38 0.58 0.15 0.87
Triangulated primal graph
Density: 26.67%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.45 1.00 None 0.78 None None None None None 2.95
Degree 1 24 10.40 7.00 416 1.80e+35 81.18 7.48 0.72 2.74
Eccentricity 2 4 3.23 3.00 129 1.28e+20 46.30 0.52 0.16 0.77
Dual graph
Density: 9.99%
MCB compute time (ms): 139
MCB cycles: 479
Triangles: 902
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 0.51 0.49 52.84 0.00 -70.17 0.09 0.18 3.50
Degree 3 18 10.19 10.00 1,050 MAX VALUE 234.13 2.98 0.29 2.41
Eccentricity 3 4 3.83 4.00 394 MAX VALUE 137.61 0.38 0.10 0.46
MCB cycle size 3 6 3.31 3.00 1,584 MAX VALUE 565.72 0.63 0.19 0.70
Minimal dual graph
Density: 3.16%
MCB compute time (ms): 38
MCB cycles: 64
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 0.71
Degree 1 4 3.22 3.00 332 MAX VALUE 118.07 0.65 0.20 0.97
Eccentricity 6 8 6.70 7.00 690 MAX VALUE 195.55 0.55 0.08 0.82
MCB cycle size 4 9 6.97 7.00 446 MAX VALUE 123.56 1.00 0.14 1.39
Triangulated dual graph
Density: 33.81%
Triangles: 19,377
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.62 1.00 0.80 0.78 82.44 0.00 -23.92 0.11 0.14 4.10
Degree 3 64 34.49 34.00 3,552 MAX VALUE 337.19 20.39 0.59 3.56
Eccentricity 2 4 3.00 3.00 309 MAX VALUE 112.22 0.39 0.13 0.54
Triangulated minimal dual graph
Density: 12.56%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.50 1.00 None 0.67 None None None None None 3.07
Degree 1 38 12.82 5.00 1,320 MAX VALUE 208.01 12.71 0.99 2.83
Eccentricity 3 5 3.73 4.00 384 MAX VALUE 134.41 0.54 0.15 0.80
Incidence graph
Density: 2.03%
MCB compute time (ms): 52
MCB cycles: 64
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 0.52
Degree 1 10 2.88 2.00 412 MAX VALUE 132.82 1.83 0.64 1.11
Eccentricity 7 10 8.01 8.00 1,145 MAX VALUE 296.95 0.69 0.09 1.04
MCB cycle size 6 10 7.78 8.00 498 MAX VALUE 130.62 1.12 0.14 0.84