Instance: rand-2-40-80-103-800-78_ext
Number of variables: 40
Number of constraints: 103
Satisfiable: None
Timestamp: 2017-10-27 10:58:00
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: 16,240
Number of unique subscopes: 37
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 15.97 16.00 259,337 MAX VALUE 44,568.10 3.57 0.22 2.69
Relational linkage 0.04 0.26 0.15 0.15 439.32 0.00 -5,705.06 0.03 0.19 2.24
Tightness 0.79 0.81 0.80 0.80 82.44 0.00 -22.94 0.00 0.01 4.17
Tuples 1,190 1,353 1,277.65 1,276.00 131,598 MAX VALUE 736.71 31.44 0.02 4.17
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 5.49 5.00 203 3.87e+26 61.22 1.64 0.30 1.84
Partitions per subscope 80 80 80.00 80.00 2,960 MAX VALUE 162.13 0.00 0.00 0.00
Tree decomposition
Number of clusters: 27
Number of leaves: 12
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 14 6.33 5.00 171 1.00e+19 43.75 3.77 0.60 2.22
Cluster variables 2 14 7.07 6.00 191 1.21e+21 48.55 3.89 0.55 2.10
Separator constraints 0 11 2.52 1.00 68 0 None 3.32 1.32 1.76
Separator variables 0 13 5.59 5.00 151 0 None 3.80 0.68 2.19
Dual tree decomposition
Number of clusters: 38
Number of leaves: 15
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 9 91 33.37 28.50 1,268 MAX VALUE 128.31 18.14 0.54 3.14
Cluster variables 6 39 14.55 12.00 553 MAX VALUE 96.83 8.26 0.57 2.74
Separator constraints 0 48 20.08 16.00 763 0 None 11.74 0.58 2.97
Separator variables 0 30 11.84 10.00 450 0 None 6.35 0.54 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 0.33 None 0.10 None None None None None 2.72
Degree 1 10 5.15 5.00 206 3.87e+26 61.22 1.97 0.38 1.97
Eccentricity 3 4 3.60 4.00 144 1.21e+22 50.85 0.49 0.14 0.67
Triangulated primal graph
Density: 31.03%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.46 1.00 None 0.77 None None None None None 3.41
Degree 1 28 12.10 10.50 484 1.14e+37 85.33 8.34 0.69 2.81
Eccentricity 2 4 3.17 3.00 127 7.20e+19 45.72 0.49 0.16 0.72
Dual graph
Density: 9.61%
MCB compute time (ms): 106
MCB cycles: 415
Triangles: 783
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 0.48 51.93 0.00 -72.02 0.10 0.20 3.13
Degree 5 17 9.81 10.00 1,010 MAX VALUE 232.42 2.22 0.23 2.15
Eccentricity 3 4 3.78 4.00 389 MAX VALUE 136.17 0.42 0.11 0.53
MCB cycle size 3 6 3.18 3.00 1,320 MAX VALUE 476.26 0.49 0.16 0.50
Minimal dual graph
Density: 3.16%
MCB compute time (ms): 21
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 0.15
Degree 1 5 3.22 3.00 332 MAX VALUE 117.94 0.68 0.21 1.03
Eccentricity 5 8 6.83 7.00 704 MAX VALUE 197.55 0.61 0.09 0.92
MCB cycle size 4 9 6.69 7.00 428 MAX VALUE 120.38 1.27 0.19 1.64
Triangulated dual graph
Density: 34.99%
Triangles: 20,648
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.63 1.00 0.81 0.77 82.99 0.00 -23.22 0.11 0.14 4.07
Degree 5 66 35.69 36.00 3,676 MAX VALUE 342.42 20.78 0.58 3.62
Eccentricity 2 4 2.74 3.00 282 MAX VALUE 101.86 0.50 0.18 0.72
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 3.05
Degree 1 38 12.31 6.00 1,268 MAX VALUE 206.74 12.03 0.98 2.91
Eccentricity 3 5 3.87 4.00 399 MAX VALUE 138.34 0.57 0.15 0.85
Incidence graph
Density: 2.03%
MCB compute time (ms): 33
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 0.88
Degree 1 10 2.88 2.00 412 MAX VALUE 132.62 1.76 0.61 1.10
Eccentricity 7 9 7.91 8.00 1,131 MAX VALUE 295.21 0.67 0.08 0.99
MCB cycle size 6 10 7.69 8.00 492 MAX VALUE 129.63 1.29 0.17 0.96