Instance: rand-2-40-180-84-900-19_ext
Number of variables: 40
Number of constraints: 84
Satisfiable: None
Timestamp: 2017-10-27 10:58:17
Stampede: v1.0.0-797-g05e223c
Boost: 1.64.0
Benchmark comments

Instance comments



Component #1 Number of variables: 40
Number of constraints: 84
General features
Number of coarse blocks: 29,880
Number of unique subscopes: 38
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Arity 2 2 2.00 2.00 168 1.93e+25 58.22 0.00 0.00 0.00
Coarse blocks size 3 35 18.06 18.00 539,622 MAX VALUE 85,682.40 4.03 0.22 2.81
Relational linkage 0.02 0.14 0.08 0.08 532.41 0.00 -17,606.00 0.02 0.20 2.44
Tightness 0.90 0.90 0.90 0.90 75.57 0.00 -8.88 0.00 0.00 4.27
Tuples 3,128 3,358 3,250.30 3,255.50 273,025 MAX VALUE 679.26 50.15 0.02 4.27
Domain size 180 180 180.00 180.00 7,200 MAX VALUE 207.72 0.00 0.00 0.00
Constraints per subscope 2 8 4.37 4.50 166 2.19e+23 53.75 1.44 0.33 1.72
Partitions per subscope 180 180 180.00 180.00 6,840 MAX VALUE 197.33 0.00 0.00 0.00
Tree decomposition
Number of clusters: 29
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 8 4.07 4.00 118 1.06e+16 36.90 1.91 0.47 1.98
Cluster variables 2 12 5.69 5.00 165 3.74e+20 47.37 2.59 0.45 2.23
Separator constraints 0 4 1.17 1.00 34 0 None 1.37 1.17 1.38
Separator variables 0 10 4.31 4.00 125 0 None 2.44 0.57 2.23
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 43 17.32 16.50 658 MAX VALUE 103.73 8.43 0.49 2.91
Cluster variables 4 26 10.47 9.50 398 1.11e+37 85.30 5.13 0.49 2.55
Separator constraints 0 25 8.92 8.50 339 0 None 5.38 0.60 2.77
Separator variables 0 19 8.26 8.00 314 0 None 3.97 0.48 2.54
Primal graph
Density: 10.77%
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 0.00 None None None None None 1.39
Degree 1 8 4.20 4.00 168 2.19e+23 53.75 1.58 0.38 1.83
Eccentricity 3 5 4.05 4.00 162 1.46e+24 55.64 0.50 0.12 0.73
Triangulated primal graph
Density: 24.49%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.44 1.00 None 0.79 None None None None None 3.06
Degree 1 21 9.55 7.50 382 2.33e+33 76.83 6.83 0.72 2.73
Eccentricity 2 4 3.05 3.00 122 9.48e+18 43.70 0.63 0.21 0.95
Dual graph
Density: 9.15%
MCB compute time (ms): 48
MCB cycles: 236
Triangles: 365
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 0.49 0.46 41.03 0.00 -61.75 0.11 0.22 2.76
Degree 3 13 7.60 7.50 638 MAX VALUE 167.42 1.94 0.26 2.04
Eccentricity 3 5 4.07 4.00 342 MAX VALUE 117.72 0.30 0.07 0.35
MCB cycle size 3 5 3.25 3.00 766 MAX VALUE 274.67 0.60 0.18 0.55
Minimal dual graph
Density: 3.67%
MCB compute time (ms): 14
MCB cycles: 45
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.00 0.00 None None None None None None None 0.75
Degree 1 4 3.05 3.00 256 MAX VALUE 91.50 0.63 0.21 0.95
Eccentricity 6 8 6.81 7.00 572 MAX VALUE 160.93 0.47 0.07 0.68
MCB cycle size 4 10 6.96 7.00 313 3.12e+37 86.33 1.35 0.19 1.55
Triangulated dual graph
Density: 27.11%
Triangles: 6,285
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.55 1.00 0.78 0.76 65.44 0.00 -22.30 0.14 0.18 3.79
Degree 3 45 22.50 18.50 1,890 MAX VALUE 240.43 14.05 0.62 3.39
Eccentricity 2 3 2.69 3.00 226 3.16e+35 81.74 0.46 0.17 0.62
Triangulated minimal dual graph
Density: 11.56%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.45 1.00 None 0.67 None None None None None 3.02
Degree 1 30 9.60 5.00 806 MAX VALUE 154.93 8.83 0.92 2.69
Eccentricity 3 5 3.87 4.00 325 MAX VALUE 112.64 0.59 0.15 0.89
Incidence graph
Density: 2.20%
MCB compute time (ms): 24
MCB cycles: 45
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 0.90
Degree 1 8 2.71 2.00 336 MAX VALUE 111.97 1.37 0.50 1.09
Eccentricity 7 10 8.58 9.00 1,064 MAX VALUE 266.09 0.73 0.09 1.09
MCB cycle size 6 10 8.58 8.00 386 MAX VALUE 96.02 1.44 0.17 1.02