Instance: rand-2-40-80-103-800-27_ext
Number of variables: 40
Number of constraints: 103
Satisfiable: None
Timestamp: 2017-10-27 10:58:06
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 3 31 15.99 16.00 262,253 MAX VALUE 45,031.80 3.57 0.22 2.69
Relational linkage 0.04 0.28 0.15 0.15 467.60 0.00 -5,983.11 0.03 0.19 2.25
Tightness 0.79 0.81 0.80 0.80 82.41 0.00 -22.97 0.01 0.01 4.22
Tuples 1,208 1,374 1,279.22 1,280.00 131,760 MAX VALUE 736.83 32.37 0.03 4.22
Domain size 80 80 80.00 80.00 3,200 MAX VALUE 175.28 0.00 0.00 0.00
Constraints per subscope 2 8 5.26 5.00 205 1.55e+27 62.61 1.63 0.31 1.82
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: 15
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 11 5.36 5.00 150 8.65e+18 43.60 2.41 0.45 2.17
Cluster variables 2 13 6.57 6.00 184 3.88e+21 49.71 3.08 0.47 2.27
Separator constraints 0 8 1.68 1.00 47 0 None 2.04 1.21 1.56
Separator variables 0 12 5.14 4.50 144 0 None 2.98 0.58 2.32
Dual tree decomposition
Number of clusters: 38
Number of leaves: 15
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 3 60 29.74 27.50 1,130 MAX VALUE 123.47 14.16 0.48 3.20
Cluster variables 3 35 13.89 12.00 528 MAX VALUE 95.06 7.39 0.53 2.79
Separator constraints 0 34 16.89 15.00 642 0 None 8.91 0.53 3.12
Separator variables 0 25 11.18 10.00 425 0 None 5.67 0.51 2.72
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 0.50 None 0.10 None None None None None 2.38
Degree 1 8 5.15 5.00 206 1.55e+27 62.61 1.74 0.34 1.90
Eccentricity 3 5 4.08 4.00 163 1.71e+24 55.80 0.57 0.14 0.85
Triangulated primal graph
Density: 28.46%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.33 1.00 None 0.78 None None None None None 2.64
Degree 1 24 11.10 8.00 444 2.27e+36 83.71 7.75 0.70 2.76
Eccentricity 2 4 3.27 3.00 131 2.56e+20 46.99 0.50 0.15 0.72
Dual graph
Density: 9.29%
MCB compute time (ms): 113
MCB cycles: 398
Triangles: 709
Dot-file path: None
PDF-file path: None

Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.40 1.00 0.50 0.47 51.33 0.00 -72.64 0.07 0.15 3.14
Degree 2 14 9.48 10.00 976 MAX VALUE 228.71 2.04 0.22 2.06
Eccentricity 3 5 3.95 4.00 407 MAX VALUE 141.03 0.38 0.10 0.51
MCB cycle size 3 5 3.18 3.00 1,267 MAX VALUE 457.41 0.46 0.15 0.50
Minimal dual graph
Density: 3.16%
MCB compute time (ms): 25
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 0.11
Degree 1 5 3.22 3.00 332 MAX VALUE 118.30 0.64 0.20 0.95
Eccentricity 6 9 7.04 7.00 725 MAX VALUE 200.48 0.71 0.10 1.06
MCB cycle size 4 9 6.73 7.00 431 MAX VALUE 120.87 1.24 0.18 1.56
Triangulated dual graph
Density: 31.73%
Triangles: 16,264
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.61 1.00 0.79 0.79 81.55 0.00 -25.32 0.12 0.16 4.09
Degree 2 61 32.37 30.00 3,334 MAX VALUE 333.20 18.95 0.59 3.52
Eccentricity 2 3 2.55 3.00 263 MAX VALUE 94.51 0.50 0.19 0.69
Triangulated minimal dual graph
Density: 11.86%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.46 1.00 None 0.69 None None None None None 3.05
Degree 1 38 12.10 6.00 1,246 MAX VALUE 208.20 11.49 0.95 2.83
Eccentricity 3 5 3.84 4.00 396 MAX VALUE 137.54 0.57 0.15 0.85
Incidence graph
Density: 2.03%
MCB compute time (ms): 38
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 0.60
Degree 1 8 2.88 2.00 412 MAX VALUE 134.00 1.69 0.59 1.08
Eccentricity 7 11 8.50 8.00 1,215 MAX VALUE 305.21 0.88 0.10 1.25
MCB cycle size 6 10 7.69 8.00 492 MAX VALUE 129.82 1.13 0.15 0.84