Instance: rand-2-40-80-103-800-13_ext
Number of variables: 40
Number of constraints: 103
Satisfiable: None
Timestamp: 2017-10-27 10:57:51
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 16.01 16.00 262,506 MAX VALUE 45,045.40 3.58 0.22 2.69
Relational linkage 0.05 0.26 0.15 0.15 469.31 0.00 -5,974.52 0.03 0.20 2.28
Tightness 0.79 0.81 0.80 0.80 82.39 0.00 -23.00 0.00 0.01 4.09
Tuples 1,215 1,342 1,280.51 1,282.00 131,893 MAX VALUE 736.94 30.24 0.02 4.09
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 5.90e+26 61.64 2.08 0.40 2.02
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: 6
Dot-file path: None
PDF-file path: None
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Cluster constraints 1 13 6.18 5.00 173 2.44e+20 46.94 3.15 0.51 2.37
Cluster variables 2 13 6.50 5.50 182 2.72e+21 49.35 3.11 0.48 2.18
Separator constraints 0 9 2.50 2.00 70 0 None 2.67 1.07 1.82
Separator variables 0 12 5.07 4.00 142 0 None 3.01 0.59 2.22
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 6 82 33.24 26.00 1,263 MAX VALUE 126.10 19.47 0.59 3.22
Cluster variables 5 38 14.29 11.50 543 MAX VALUE 95.87 8.22 0.58 2.71
Separator constraints 0 44 19.53 18.00 742 0 None 11.78 0.60 3.14
Separator variables 0 30 11.58 9.50 440 0 None 6.34 0.55 2.73
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 0.12 None None None None None 2.58
Degree 1 10 5.15 5.00 206 5.90e+26 61.64 2.16 0.42 2.09
Eccentricity 3 4 3.62 4.00 145 1.62e+22 51.14 0.48 0.13 0.66
Triangulated primal graph
Density: 28.21%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.44 1.00 None 0.75 None None None None None 2.77
Degree 1 26 11.00 8.00 440 1.52e+36 83.31 7.59 0.69 2.73
Eccentricity 2 4 2.83 3.00 113 5.00e+17 40.75 0.54 0.19 0.81
Dual graph
Density: 9.92%
MCB compute time (ms): 99
MCB cycles: 429
Triangles: 898
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 0.53 0.50 54.15 0.00 -67.78 0.10 0.19 3.70
Degree 4 17 10.12 10.00 1,042 MAX VALUE 234.61 2.63 0.26 2.30
Eccentricity 3 4 3.86 4.00 398 MAX VALUE 138.76 0.34 0.09 0.40
MCB cycle size 3 5 3.14 3.00 1,347 MAX VALUE 487.92 0.41 0.13 0.42
Minimal dual graph
Density: 3.16%
MCB compute time (ms): 23
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 0.47
Degree 1 5 3.22 3.00 332 MAX VALUE 118.13 0.65 0.20 0.98
Eccentricity 6 8 6.73 7.00 693 MAX VALUE 196.01 0.54 0.08 0.80
MCB cycle size 4 9 6.88 7.00 440 MAX VALUE 122.14 1.27 0.18 1.54
Triangulated dual graph
Density: 34.30%
Triangles: 19,772
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.62 1.00 0.80 0.76 82.64 0.00 -23.67 0.11 0.14 4.13
Degree 4 65 34.99 33.00 3,604 MAX VALUE 340.24 20.50 0.59 3.57
Eccentricity 2 3 2.63 3.00 271 MAX VALUE 97.75 0.48 0.18 0.66
Triangulated minimal dual graph
Density: 11.94%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.48 1.00 None 0.67 None None None None None 3.16
Degree 1 37 12.17 6.00 1,254 MAX VALUE 208.23 11.73 0.96 2.91
Eccentricity 3 5 3.91 4.00 403 MAX VALUE 139.43 0.56 0.14 0.84
Incidence graph
Density: 2.03%
MCB compute time (ms): 29
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 0.51
Degree 1 10 2.88 2.00 412 MAX VALUE 133.04 1.82 0.63 1.11
Eccentricity 7 9 7.97 8.00 1,139 MAX VALUE 296.31 0.61 0.08 0.91
MCB cycle size 6 10 7.47 8.00 478 MAX VALUE 127.74 1.29 0.17 0.95