Instance: rand-2-40-80-103-800-1_ext
Number of variables: 40
Number of constraints: 103
Satisfiable: None
Timestamp: 2017-10-27 10:57:55
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 16.03 16.00 262,859 MAX VALUE 45,066.00 3.60 0.22 2.69
Relational linkage 0.05 0.25 0.15 0.15 469.61 0.00 -5,970.94 0.03 0.20 2.27
Tightness 0.79 0.81 0.80 0.80 82.37 0.00 -23.03 0.01 0.01 4.11
Tuples 1,185 1,374 1,282.17 1,282.00 132,063 MAX VALUE 737.06 33.60 0.03 4.11
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 8.74e+26 62.03 1.93 0.37 1.95
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: 11
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 20 7.21 6.00 202 1.38e+21 48.67 4.96 0.69 2.31
Cluster variables 2 13 6.96 6.00 195 1.78e+22 51.23 3.21 0.46 2.35
Separator constraints 0 17 3.54 3.00 99 0 None 4.36 1.23 1.97
Separator variables 0 12 5.54 5.00 155 0 None 3.18 0.57 2.41
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 6 78 30.45 21.50 1,157 MAX VALUE 119.93 20.52 0.67 3.16
Cluster variables 4 36 13.63 11.50 518 MAX VALUE 93.51 7.84 0.58 2.84
Separator constraints 0 46 17.05 12.00 648 0 None 12.52 0.73 3.19
Separator variables 0 25 10.92 10.00 415 0 None 6.05 0.55 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 0.33 None 0.10 None None None None None 2.52
Degree 1 10 5.15 5.00 206 8.74e+26 62.03 2.02 0.39 2.02
Eccentricity 3 5 3.85 4.00 154 1.89e+23 53.60 0.48 0.12 0.69
Triangulated primal graph
Density: 29.87%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.50 1.00 None 0.75 None None None None None 3.23
Degree 1 25 11.65 9.50 466 3.98e+37 86.58 7.63 0.66 2.98
Eccentricity 2 4 3.27 3.00 131 2.56e+20 46.99 0.50 0.15 0.72
Dual graph
Density: 9.69%
MCB compute time (ms): 131
MCB cycles: 452
Triangles: 832
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 0.50 0.49 51.63 0.00 -72.20 0.08 0.16 3.48
Degree 3 17 9.88 10.00 1,018 MAX VALUE 230.97 2.93 0.30 2.39
Eccentricity 3 5 3.84 4.00 396 MAX VALUE 138.06 0.41 0.11 0.56
MCB cycle size 3 6 3.25 3.00 1,471 MAX VALUE 527.94 0.56 0.17 0.62
Minimal dual graph
Density: 3.16%
MCB compute time (ms): 32
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 0.83 0.00 None 0.05 6.01 0.15
Degree 2 5 3.22 3.00 332 MAX VALUE 118.57 0.64 0.20 0.93
Eccentricity 6 8 6.70 7.00 690 MAX VALUE 195.55 0.55 0.08 0.82
MCB cycle size 3 9 6.89 7.00 441 MAX VALUE 122.51 1.13 0.16 1.48
Triangulated dual graph
Density: 32.10%
Triangles: 16,913
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.59 1.00 0.79 0.76 81.72 0.00 -25.04 0.12 0.15 4.10
Degree 3 64 32.74 33.00 3,372 MAX VALUE 333.18 19.21 0.59 3.72
Eccentricity 2 4 2.85 3.00 294 MAX VALUE 106.37 0.49 0.17 0.71
Triangulated minimal dual graph
Density: 12.30%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.40 1.00 0.76 0.69 78.78 0.00 -30.96 0.19 0.25 2.94
Degree 2 39 12.54 6.00 1,292 MAX VALUE 210.18 12.07 0.96 2.82
Eccentricity 3 5 3.79 4.00 390 MAX VALUE 136.07 0.53 0.14 0.79
Incidence graph
Density: 2.03%
MCB compute time (ms): 38
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 0.17
Degree 1 10 2.88 2.00 412 MAX VALUE 133.43 1.77 0.62 1.09
Eccentricity 6 10 8.23 8.00 1,177 MAX VALUE 300.75 0.79 0.10 1.17
MCB cycle size 6 10 7.59 8.00 486 MAX VALUE 128.89 1.23 0.16 0.92