Instance: rand-2-40-80-103-800-56_ext
Number of variables: 40
Number of constraints: 103
Satisfiable: None
Timestamp: 2017-10-27 10:57:59
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 15.94 16.00 261,380 MAX VALUE 44,970.70 3.57 0.22 2.69
Relational linkage 0.05 0.26 0.15 0.15 466.86 0.00 -5,995.18 0.03 0.20 2.31
Tightness 0.79 0.81 0.80 0.80 82.48 0.00 -22.88 0.00 0.01 4.20
Tuples 1,184 1,355 1,274.98 1,275.00 131,323 MAX VALUE 736.49 31.45 0.02 4.20
Domain size 80 80 80.00 80.00 3,200 MAX VALUE 175.28 0.00 0.00 0.00
Constraints per subscope 2 11 5.26 4.00 205 4.10e+26 61.28 2.19 0.42 1.94
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: 14
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 1 19 6.54 5.00 183 1.58e+20 46.51 4.58 0.70 2.28
Cluster variables 2 13 6.21 5.00 174 8.81e+20 48.23 2.94 0.47 2.18
Separator constraints 0 16 2.86 1.00 80 0 None 3.93 1.38 1.86
Separator variables 0 12 4.79 4.00 134 0 None 2.79 0.58 2.23
Dual tree decomposition
Number of clusters: 38
Number of leaves: 12
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 6 91 32.58 24.50 1,238 MAX VALUE 121.87 23.36 0.72 3.30
Cluster variables 4 37 14.03 11.50 533 MAX VALUE 93.99 8.73 0.62 2.80
Separator constraints 0 47 18.63 15.50 708 0 None 13.86 0.74 3.32
Separator variables 0 29 11.32 10.00 430 0 None 6.83 0.60 2.78
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 1.00 None 0.17 None None None None None 2.51
Degree 1 11 5.15 4.00 206 4.10e+26 61.28 2.26 0.44 2.01
Eccentricity 3 5 3.73 4.00 149 3.94e+22 52.03 0.63 0.17 0.94
Triangulated primal graph
Density: 27.18%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.50 1.00 None 0.73 None None None None None 2.95
Degree 1 24 10.60 6.50 424 2.85e+35 81.64 7.51 0.71 2.59
Eccentricity 2 4 3.33 3.00 133 4.04e+20 47.45 0.57 0.17 0.84
Dual graph
Density: 10.09%
MCB compute time (ms): 122
MCB cycles: 446
Triangles: 943
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 0.50 53.80 0.00 -68.37 0.10 0.18 3.48
Degree 3 18 10.29 10.00 1,060 MAX VALUE 234.68 3.18 0.31 2.48
Eccentricity 3 4 3.73 4.00 384 MAX VALUE 134.73 0.44 0.12 0.59
MCB cycle size 3 6 3.17 3.00 1,414 MAX VALUE 510.54 0.49 0.15 0.47
Minimal dual graph
Density: 3.16%
MCB compute time (ms): 30
MCB cycles: 68
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 0.57
Degree 1 5 3.22 3.00 332 MAX VALUE 117.70 0.72 0.22 1.08
Eccentricity 6 9 6.94 7.00 715 MAX VALUE 199.04 0.71 0.10 1.04
MCB cycle size 4 9 6.88 7.00 468 MAX VALUE 129.81 1.30 0.19 1.58
Triangulated dual graph
Density: 34.53%
Triangles: 20,255
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.61 1.00 0.80 0.79 82.85 0.00 -23.37 0.11 0.14 4.16
Degree 3 68 35.22 37.00 3,628 MAX VALUE 339.32 20.69 0.59 3.71
Eccentricity 2 3 2.67 3.00 275 MAX VALUE 99.37 0.47 0.18 0.63
Triangulated minimal dual graph
Density: 12.07%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.33 1.00 None 0.67 None None None None None 3.13
Degree 1 37 12.31 5.00 1,268 MAX VALUE 206.83 12.01 0.98 2.86
Eccentricity 3 6 4.30 4.00 443 MAX VALUE 149.11 0.64 0.15 0.97
Incidence graph
Density: 2.03%
MCB compute time (ms): 48
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 0.56
Degree 1 11 2.88 2.00 412 MAX VALUE 132.67 1.85 0.64 1.06
Eccentricity 6 10 7.95 8.00 1,137 MAX VALUE 295.77 0.80 0.10 1.17
MCB cycle size 6 10 7.44 8.00 476 MAX VALUE 127.52 1.25 0.17 0.93