Instance: rand-2-40-80-103-800-95_ext
Number of variables: 40
Number of constraints: 103
Satisfiable: None
Timestamp: 2017-10-27 10:57:58
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 30 15.96 16.00 261,731 MAX VALUE 44,990.60 3.59 0.22 2.69
Relational linkage 0.05 0.29 0.15 0.15 470.94 0.00 -5,972.23 0.03 0.21 2.35
Tightness 0.78 0.81 0.80 0.80 82.45 0.00 -22.92 0.00 0.01 4.10
Tuples 1,203 1,390 1,276.71 1,276.00 131,501 MAX VALUE 736.63 31.98 0.03 4.10
Domain size 80 80 80.00 80.00 3,200 MAX VALUE 175.28 0.00 0.00 0.00
Constraints per subscope 2 9 5.26 6.00 205 1.89e+26 60.51 2.19 0.42 2.00
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: 29
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 1 15 6.93 7.00 201 1.42e+21 48.71 4.47 0.65 2.41
Cluster variables 2 12 6.41 5.00 186 3.72e+21 49.67 3.43 0.53 2.06
Separator constraints 0 11 3.38 2.00 98 0 None 3.83 1.13 2.08
Separator variables 0 11 5.03 4.00 146 0 None 3.40 0.68 2.15
Dual tree decomposition
Number of clusters: 38
Number of leaves: 13
Tree depth: 7
Dot-file path: None
PDF-file path: None
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Cluster constraints 7 68 31.87 29.50 1,211 MAX VALUE 123.03 19.24 0.60 3.26
Cluster variables 5 34 13.55 11.50 515 MAX VALUE 93.73 7.45 0.55 2.82
Separator constraints 0 36 17.92 17.50 681 0 None 11.45 0.64 3.03
Separator variables 0 24 10.84 10.00 412 0 None 5.74 0.53 2.75
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 0.14 None None None None None 2.52
Degree 1 9 5.15 5.50 206 1.89e+26 60.51 2.26 0.44 2.07
Eccentricity 3 5 3.80 4.00 152 1.06e+23 53.02 0.51 0.13 0.75
Triangulated primal graph
Density: 27.18%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.48 1.00 None 0.77 None None None None None 2.93
Degree 1 24 10.60 8.00 424 5.21e+34 79.94 7.64 0.72 2.76
Eccentricity 2 4 3.12 3.00 125 3.60e+19 45.03 0.51 0.16 0.75
Dual graph
Density: 10.09%
MCB compute time (ms): 111
MCB cycles: 435
Triangles: 894
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 0.53 0.49 54.25 0.00 -67.49 0.10 0.19 3.46
Degree 4 16 10.29 11.00 1,060 MAX VALUE 235.87 2.71 0.26 2.28
Eccentricity 3 4 3.78 4.00 389 MAX VALUE 136.17 0.42 0.11 0.53
MCB cycle size 3 5 3.11 3.00 1,355 MAX VALUE 491.83 0.37 0.12 0.37
Minimal dual graph
Density: 3.16%
MCB compute time (ms): 24
MCB cycles: 64
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.00 0.33 0.01 0.00 0.67 0.00 None 0.04 6.13 0.15
Degree 2 5 3.22 3.00 332 MAX VALUE 118.41 0.64 0.20 0.97
Eccentricity 6 8 6.83 7.00 704 MAX VALUE 197.64 0.54 0.08 0.80
MCB cycle size 3 9 6.69 7.00 428 MAX VALUE 120.07 1.37 0.20 1.67
Triangulated dual graph
Density: 31.09%
Triangles: 15,626
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.56 1.00 0.79 0.77 81.37 0.00 -25.59 0.13 0.16 4.14
Degree 4 64 31.71 34.00 3,266 MAX VALUE 330.96 18.51 0.58 3.68
Eccentricity 2 4 3.05 3.00 314 MAX VALUE 113.89 0.40 0.13 0.56
Triangulated minimal dual graph
Density: 11.48%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.47 1.00 0.76 0.67 77.87 0.00 -32.24 0.19 0.26 2.83
Degree 2 37 11.71 5.00 1,206 MAX VALUE 204.00 11.36 0.97 2.80
Eccentricity 3 5 3.75 4.00 386 MAX VALUE 135.12 0.50 0.13 0.72
Incidence graph
Density: 2.03%
MCB compute time (ms): 32
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 9 2.88 2.00 412 MAX VALUE 131.90 1.85 0.64 0.99
Eccentricity 6 10 8.02 8.00 1,147 MAX VALUE 297.10 0.75 0.09 1.13
MCB cycle size 6 10 7.38 8.00 472 MAX VALUE 126.88 1.32 0.18 0.96