Instance: rand-2-40-80-103-800-60_ext
Number of variables: 40
Number of constraints: 103
Satisfiable: None
Timestamp: 2017-10-27 10:58:05
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: 16,320
Number of unique subscopes: 38
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 2 30 16.02 16.00 261,424 MAX VALUE 44,846.60 3.55 0.22 2.68
Relational linkage 0.03 0.28 0.15 0.15 456.79 0.00 -5,823.40 0.03 0.20 2.27
Tightness 0.79 0.81 0.80 0.80 82.37 0.00 -23.02 0.01 0.01 4.24
Tuples 1,202 1,366 1,281.72 1,280.00 132,017 MAX VALUE 737.02 35.19 0.03 4.24
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 5.37 5.50 204 3.46e+26 61.11 1.91 0.36 1.94
Partitions per subscope 80 80 80.00 80.00 3,040 MAX VALUE 166.52 0.00 0.00 0.00
Tree decomposition
Number of clusters: 28
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 14 6.50 6.00 182 1.48e+20 46.45 3.65 0.56 2.45
Cluster variables 2 13 6.61 6.00 185 2.31e+21 49.19 3.30 0.50 2.32
Separator constraints 0 11 2.82 2.00 79 0 None 3.07 1.09 1.90
Separator variables 0 12 5.18 5.00 145 0 None 3.22 0.62 2.38
Dual tree decomposition
Number of clusters: 38
Number of leaves: 14
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 4 77 31.34 24.50 1,191 MAX VALUE 123.15 18.97 0.61 3.33
Cluster variables 4 36 13.79 11.50 524 MAX VALUE 94.29 7.73 0.56 2.78
Separator constraints 0 45 17.79 15.00 676 0 None 11.36 0.64 3.20
Separator variables 0 26 11.08 10.00 421 0 None 5.94 0.54 2.83
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 0.13 None None None None None 2.81
Degree 1 11 5.15 5.00 206 3.46e+26 61.11 2.09 0.41 2.05
Eccentricity 3 4 3.65 4.00 146 2.15e+22 51.42 0.48 0.13 0.65
Triangulated primal graph
Density: 28.59%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.40 1.00 None 0.78 None None None None None 3.21
Degree 1 29 11.15 9.50 446 8.82e+35 82.77 7.81 0.70 2.83
Eccentricity 2 4 3.12 3.00 125 4.05e+19 45.15 0.46 0.15 0.65
Dual graph
Density: 9.80%
MCB compute time (ms): 134
MCB cycles: 415
Triangles: 842
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 0.51 0.48 52.82 0.00 -70.35 0.10 0.20 3.36
Degree 3 17 10.00 10.00 1,030 MAX VALUE 233.36 2.55 0.26 2.29
Eccentricity 3 4 3.82 4.00 393 MAX VALUE 137.32 0.39 0.10 0.48
MCB cycle size 3 5 3.12 3.00 1,296 MAX VALUE 469.95 0.39 0.13 0.38
Minimal dual graph
Density: 3.16%
MCB compute time (ms): 31
MCB cycles: 64
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.00 0.17 None 0.00 None None None None None 0.26
Degree 1 5 3.22 3.00 332 MAX VALUE 117.72 0.68 0.21 1.00
Eccentricity 6 8 6.85 7.00 706 MAX VALUE 197.91 0.56 0.08 0.84
MCB cycle size 3 9 6.80 7.00 435 MAX VALUE 121.34 1.29 0.19 1.62
Triangulated dual graph
Density: 32.27%
Triangles: 17,002
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.59 1.00 0.79 0.78 81.58 0.00 -25.19 0.12 0.15 4.05
Degree 3 63 32.91 32.00 3,390 MAX VALUE 334.45 19.24 0.58 3.65
Eccentricity 2 4 2.77 3.00 285 MAX VALUE 103.19 0.47 0.17 0.66
Triangulated minimal dual graph
Density: 11.61%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.33 1.00 None 0.68 None None None None None 3.37
Degree 1 37 11.84 6.00 1,220 MAX VALUE 205.03 11.43 0.96 2.90
Eccentricity 3 6 4.56 5.00 470 MAX VALUE 155.44 0.60 0.13 0.91
Incidence graph
Density: 2.03%
MCB compute time (ms): 42
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 0.74
Degree 1 11 2.88 2.00 412 MAX VALUE 132.50 1.80 0.62 1.07
Eccentricity 6 9 8.07 8.00 1,154 MAX VALUE 297.98 0.74 0.09 1.09
MCB cycle size 6 10 7.50 8.00 480 MAX VALUE 127.90 1.37 0.18 1.00