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182 lines
4.8 KiB
INI
182 lines
4.8 KiB
INI
c File: pret60_40.cnf
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c
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c SOURCE: Daniel Pretolani (daniele@crt.umontreal.ca)
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c
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c DESCRIPTION: Unsatisfiable instances of a graph 2-coloring with
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c parity constraints.
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c
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c ----------- DIMACS Challenge - CNF format -----------
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c
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c TRISAT Generator (Pretolani 1990)
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c
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c (Even) number of nodes ==> 40
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c Charge ( 0 = sat. / 1 = unsat. ) ==> 1
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c Horn Percentage (min -> 25; max -> 75) ==> 40
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c Number of Propositional variables ==> 60
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c Number of Clauses ==> 160
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c Nodes with Charge = 1 ==> 13
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c Horn Percentage (exact) ==> 37.000
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c
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c -----------------------------------------------------
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p cnf 60 160
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-3 -2 -1 0
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3 2 -1 0
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2 1 -3 0
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3 1 -2 0
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-6 -5 -4 0
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6 5 -4 0
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5 4 -6 0
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6 4 -5 0
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-9 -8 -7 0
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9 8 -7 0
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8 7 -9 0
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9 7 -8 0
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-12 -11 -10 0
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12 11 -10 0
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11 10 -12 0
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12 10 -11 0
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-15 -14 -13 0
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15 14 -13 0
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14 13 -15 0
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15 13 -14 0
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-18 -17 -16 0
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18 17 -16 0
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17 16 -18 0
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18 16 -17 0
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-21 -20 -19 0
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21 20 -19 0
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20 19 -21 0
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21 19 -20 0
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-24 -23 -22 0
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24 23 -22 0
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23 22 -24 0
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24 22 -23 0
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-27 -26 -25 0
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27 26 -25 0
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26 25 -27 0
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27 25 -26 0
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-30 -29 -28 0
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30 29 -28 0
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29 28 -30 0
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30 28 -29 0
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-33 -32 -31 0
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33 32 -31 0
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32 31 -33 0
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33 31 -32 0
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-36 -35 -34 0
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36 35 -34 0
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35 34 -36 0
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36 34 -35 0
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-39 -38 -37 0
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39 38 -37 0
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38 37 -39 0
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39 37 -38 0
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-40 -37 -16 0
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40 37 -16 0
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37 16 -40 0
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40 16 -37 0
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-42 -41 -15 0
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42 41 -15 0
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41 15 -42 0
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42 15 -41 0
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-43 -41 -14 0
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43 41 -14 0
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41 14 -43 0
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43 14 -41 0
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-44 -18 -10 0
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44 18 -10 0
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18 10 -44 0
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44 10 -18 0
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-44 -17 -13 0
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44 17 -13 0
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17 13 -44 0
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44 13 -17 0
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-46 -45 -6 0
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46 45 -6 0
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45 6 -46 0
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46 6 -45 0
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-45 -22 -5 0
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45 22 -5 0
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22 5 -45 0
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45 5 -22 0
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-48 -47 -21 0
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48 47 -21 0
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47 21 -48 0
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48 21 -47 0
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-47 -46 -20 0
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47 46 -20 0
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46 20 -47 0
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47 20 -46 0
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-49 -24 -1 0
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49 24 -1 0
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24 1 -49 0
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49 1 -24 0
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-49 -23 -19 0
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49 23 -19 0
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23 19 -49 0
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49 19 -23 0
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-51 -50 -9 0
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51 50 -9 0
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50 9 -51 0
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51 9 -50 0
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-50 -28 -8 0
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50 28 -8 0
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28 8 -50 0
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50 8 -28 0
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-52 -42 -27 0
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52 42 -27 0
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42 27 -52 0
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52 27 -42 0
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52 51 26 0
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52 -51 -26 0
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51 -52 -26 0
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26 -52 -51 0
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53 30 4 0
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53 -30 -4 0
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30 -53 -4 0
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4 -53 -30 0
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53 29 25 0
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53 -29 -25 0
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29 -53 -25 0
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25 -53 -29 0
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55 54 12 0
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55 -54 -12 0
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54 -55 -12 0
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12 -55 -54 0
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54 34 11 0
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54 -34 -11 0
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34 -54 -11 0
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11 -54 -34 0
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56 48 33 0
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56 -48 -33 0
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48 -56 -33 0
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33 -56 -48 0
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56 55 32 0
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56 -55 -32 0
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55 -56 -32 0
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32 -56 -55 0
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57 36 7 0
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57 -36 -7 0
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36 -57 -7 0
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7 -57 -36 0
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57 35 31 0
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57 -35 -31 0
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35 -57 -31 0
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31 -57 -35 0
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59 58 3 0
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59 -58 -3 0
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58 -59 -3 0
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3 -59 -58 0
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58 40 2 0
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58 -40 -2 0
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40 -58 -2 0
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2 -58 -40 0
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60 43 39 0
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60 -43 -39 0
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43 -60 -39 0
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39 -60 -43 0
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60 59 38 0
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60 -59 -38 0
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59 -60 -38 0
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38 -60 -59 0
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