Instance: rand-2-40-11-414-200-8_ext
Number of variables: 40
Number of constraints: 414
Satisfiable: None
Timestamp: 2017-10-27 10:56:38
Stampede: v1.0.0-797-g05e223c
Boost: 1.64.0
Benchmark comments

Instance comments



Component #1 Number of variables: 40
Number of constraints: 414
General features
Number of coarse blocks: 9,108
Number of unique subscopes: 40
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Arity 2 2 2.00 2.00 828 MAX VALUE 286.96 0.00 0.00 0.00
Coarse blocks size 3 11 8.77 9.00 79,890 MAX VALUE 19,658.60 1.36 0.15 1.70
Relational linkage 0.27 0.73 0.55 0.55 240.82 0.00 -270.22 0.08 0.15 1.28
Tightness 0.09 0.31 0.20 0.21 83.88 0.00 -668.39 0.04 0.19 2.90
Tuples 83 110 96.49 96.00 39,945 MAX VALUE 1,891.26 4.58 0.05 2.90
Domain size 11 11 11.00 11.00 440 MAX VALUE 95.92 0.00 0.00 0.00
Constraints per subscope 14 27 20.70 20.50 828 MAX VALUE 120.57 3.59 0.17 2.56
Partitions per subscope 11 11 11.00 11.00 440 MAX VALUE 95.92 0.00 0.00 0.00
Tree decomposition
Number of clusters: 12
Number of leaves: 5
Tree depth: 4
Dot-file path: None
PDF-file path: None
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Cluster constraints 61 239 166.17 195.00 1,994 1.16e+26 60.01 70.09 0.42 2.25
Cluster variables 15 29 23.67 26.50 284 2.13e+16 37.60 5.62 0.24 1.70
Separator constraints 0 219 131.67 130.50 1,580 0 None 77.55 0.59 2.25
Separator variables 0 28 20.33 21.50 244 0 None 8.16 0.40 1.91
Dual tree decomposition
Number of clusters: 38
Number of leaves: 19
Tree depth: 4
Dot-file path: None
PDF-file path: None
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Cluster constraints 190 3,150 845.63 567.50 32,134 MAX VALUE 246.53 681.54 0.81 3.56
Cluster variables 27 252 76.53 51.00 2,908 MAX VALUE 157.42 54.64 0.71 3.53
Separator constraints 0 1,606 624.21 498.00 23,720 0 None 397.59 0.64 3.53
Separator variables 0 177 65.63 48.00 2,494 0 None 41.49 0.63 3.46
Primal graph
Density: 53.08%
Dot-file path: None
PDF-file path: None
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.48 0.62 0.54 0.55 21.74 0.00 -24.49 0.04 0.07 3.58
Degree 14 27 20.70 20.50 828 MAX VALUE 120.57 3.59 0.17 2.56
Eccentricity 2 2 2.00 2.00 80 1.10e+12 27.73 0.00 0.00 0.00
Triangulated primal graph
Density: 83.33%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.82 1.00 0.91 0.90 36.56 0.03 -3.65 0.05 0.05 3.30
Degree 14 39 32.50 35.00 1,300 MAX VALUE 138.05 6.71 0.21 2.50
Eccentricity 1 2 1.98 2.00 79 5.50e+11 27.03 0.16 0.08 0.12
Dual graph
Density: 9.84%
MCB compute time (ms): 55,610
MCB cycles: 8,163
Triangles: 57,410
Dot-file path: None
PDF-file path: None

Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.49 0.56 0.51 0.51 210.77 0.00 -279.57 0.01 0.02 5.24
Degree 26 52 40.65 41.00 16,828 MAX VALUE 1,530.76 4.85 0.12 2.97
Eccentricity 3 3 3.00 3.00 1,242 MAX VALUE 454.82 0.00 0.00 0.00
MCB cycle size 3 4 3.00 3.00 24,503 MAX VALUE 8,972.00 0.04 0.01 0.01
Minimal dual graph
Density: 0.92%
MCB compute time (ms): 2,522
MCB cycles: 375
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.00 0.10 0.00 0.00 0.23 0.00 None 0.01 11.94 0.05
Degree 2 6 3.81 4.00 1,576 MAX VALUE 543.15 0.87 0.23 1.21
Eccentricity 7 10 8.31 8.00 3,441 MAX VALUE 875.14 0.72 0.09 1.09
MCB cycle size 3 9 6.58 7.00 2,468 MAX VALUE 699.49 1.22 0.19 1.60
Triangulated dual graph
Density: None%
Triangles: None
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient None None None None None None None None None None
Degree None None None None None None None None None None
Eccentricity None None None None None None None None None None
Triangulated minimal dual graph
Density: 9.87%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.53 1.00 0.83 0.79 342.48 0.00 -84.52 0.14 0.17 3.78
Degree 2 137 40.75 8.50 16,872 MAX VALUE 1,110.06 50.94 1.25 3.47
Eccentricity 3 5 3.84 4.00 1,589 MAX VALUE 552.72 0.53 0.14 0.78
Incidence graph
Density: 0.81%
MCB compute time (ms): 888
MCB cycles: 375
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 0.00 0.00 0.00 0.00 None 0.00 None 0.00
Degree 2 27 3.65 2.00 1,656 MAX VALUE 407.54 5.41 1.48 0.52
Eccentricity 5 6 5.91 6.00 2,684 MAX VALUE 806.17 0.28 0.05 0.30
MCB cycle size 6 6 6.00 6.00 2,250 MAX VALUE 671.91 0.00 0.00 0.00