Instance: rand-2-40-80-103-800-63_ext
Number of variables: 40
Number of constraints: 103
Satisfiable: None
Timestamp: 2017-10-27 10:57:59
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 16.00 16.00 262,359 MAX VALUE 45,033.20 3.58 0.22 2.69
Relational linkage 0.05 0.29 0.15 0.15 470.57 0.00 -5,970.86 0.03 0.21 2.32
Tightness 0.79 0.81 0.80 0.80 82.40 0.00 -22.98 0.00 0.01 4.04
Tuples 1,209 1,341 1,279.83 1,282.00 131,823 MAX VALUE 736.88 30.47 0.02 4.04
Domain size 80 80 80.00 80.00 3,200 MAX VALUE 175.28 0.00 0.00 0.00
Constraints per subscope 2 8 5.26 5.00 205 7.05e+26 61.82 1.79 0.34 1.82
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: 26
Number of leaves: 16
Tree depth: 4
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 5.88 5.50 153 6.92e+17 41.08 3.40 0.58 2.29
Cluster variables 2 15 6.65 6.00 173 8.47e+19 45.89 3.37 0.51 2.28
Separator constraints 0 10 1.92 1.00 50 0 None 2.67 1.39 1.69
Separator variables 0 12 5.12 4.50 133 0 None 3.10 0.61 2.28
Dual tree decomposition
Number of clusters: 38
Number of leaves: 15
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 75 31.89 30.00 1,212 MAX VALUE 124.01 18.42 0.58 3.22
Cluster variables 4 37 14.45 12.00 549 MAX VALUE 95.61 8.52 0.59 2.83
Separator constraints 0 44 18.76 19.50 713 0 None 11.19 0.60 2.98
Separator variables 0 28 11.74 10.50 446 0 None 6.56 0.56 2.80
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 0.10 None None None None None 2.03
Degree 1 8 5.15 5.00 206 7.05e+26 61.82 1.89 0.37 1.89
Eccentricity 3 4 3.75 4.00 150 6.81e+22 52.58 0.43 0.12 0.56
Triangulated primal graph
Density: 30.51%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.52 1.00 None 0.75 None None None None None 2.79
Degree 1 25 11.90 9.50 476 1.35e+37 85.49 8.18 0.69 2.66
Eccentricity 2 3 2.60 3.00 104 1.85e+16 37.46 0.49 0.19 0.67
Dual graph
Density: 9.50%
MCB compute time (ms): 103
MCB cycles: 436
Triangles: 747
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 0.47 50.85 0.00 -73.92 0.09 0.17 3.02
Degree 3 14 9.69 10.00 998 MAX VALUE 230.47 2.29 0.24 2.18
Eccentricity 3 5 3.93 4.00 405 MAX VALUE 140.65 0.32 0.08 0.39
MCB cycle size 3 6 3.27 3.00 1,426 MAX VALUE 510.73 0.60 0.18 0.64
Minimal dual graph
Density: 3.16%
MCB compute time (ms): 28
MCB cycles: 64
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.00 0.00 0.00 0.00 0.00 0.00 None 0.00 None 0.00
Degree 2 5 3.22 3.00 332 MAX VALUE 118.47 0.64 0.20 0.97
Eccentricity 5 8 6.60 7.00 680 MAX VALUE 194.01 0.56 0.09 0.84
MCB cycle size 4 9 6.84 7.00 438 MAX VALUE 122.10 1.13 0.17 1.45
Triangulated dual graph
Density: 35.39%
Triangles: 20,796
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.62 1.00 0.81 0.78 82.92 0.00 -23.35 0.11 0.14 4.02
Degree 3 67 36.10 44.00 3,718 MAX VALUE 343.19 20.54 0.57 3.64
Eccentricity 2 3 2.67 3.00 275 MAX VALUE 99.37 0.47 0.18 0.63
Triangulated minimal dual graph
Density: 12.56%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.39 1.00 0.76 0.67 78.31 0.00 -31.45 0.19 0.25 2.94
Degree 2 38 12.82 7.00 1,320 MAX VALUE 212.51 12.09 0.94 2.90
Eccentricity 3 5 3.75 4.00 386 MAX VALUE 134.79 0.59 0.16 0.87
Incidence graph
Density: 2.03%
MCB compute time (ms): 39
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 0.56
Degree 1 8 2.88 2.00 412 MAX VALUE 133.21 1.73 0.60 0.98
Eccentricity 7 10 8.15 8.00 1,165 MAX VALUE 299.51 0.65 0.08 0.98
MCB cycle size 6 10 7.69 8.00 492 MAX VALUE 129.69 1.24 0.16 0.93