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View Code? Open in Web Editor NEWA SAT-IP Hybrid MaxSAT solver
Home Page: https://www.cs.helsinki.fi/group/coreo/lmhs/
License: Other
A SAT-IP Hybrid MaxSAT solver
Home Page: https://www.cs.helsinki.fi/group/coreo/lmhs/
License: Other
So I a compiled the latest version of LMHS using CPLEX 12.8.0, and it compiled successfully, but I am getting some results that I cannot explain. I used the following (partial) MaxSAT instance:
p wcnf 124 225 15
1 -1 0
1 -2 0
1 -3 0
1 -4 0
1 -5 0
1 -6 0
1 -7 0
1 -8 0
1 -9 0
1 -10 0
1 -11 0
1 -12 0
1 -13 0
1 -14 0
1 -15 0
1 -16 0
1 -17 0
1 -18 0
1 -19 0
1 -20 0
1 -21 0
1 -22 0
1 -23 0
1 -24 0
1 -25 0
1 -26 0
1 -27 0
1 -28 0
1 -29 0
1 -30 0
1 -31 0
1 -32 0
1 -33 0
1 -34 0
1 -35 0
1 -36 0
1 -37 0
1 -38 0
1 -39 0
1 -40 0
1 -41 0
1 -42 0
1 -43 0
1 -44 0
1 -45 0
1 -46 0
1 -47 0
1 -48 0
1 -49 0
1 -50 0
1 -51 0
1 -52 0
1 -53 0
1 -54 0
1 -55 0
1 -56 0
1 -57 0
1 -58 0
1 -59 0
1 -60 0
1 -61 0
1 -62 0
1 -63 0
1 -64 0
1 -65 0
1 -66 0
1 -67 0
1 -68 0
1 -69 0
1 -70 0
1 -71 0
1 -72 0
1 -73 0
1 -74 0
1 -75 0
1 -76 0
1 -77 0
1 -78 0
1 -79 0
1 -80 0
1 -81 0
1 -82 0
1 -83 0
1 -84 0
1 -85 0
1 -86 0
1 -87 0
1 -88 0
1 -89 0
1 -90 0
1 -91 0
1 -92 0
1 -93 0
1 -94 0
1 -95 0
1 -96 0
1 -97 0
1 -98 0
1 -99 0
1 -100 0
1 -101 0
1 -102 0
1 -103 0
1 -104 0
1 -105 0
1 -106 0
1 -107 0
1 -108 0
1 -109 0
1 -110 0
1 -111 0
1 -112 0
1 -113 0
1 -114 0
1 -115 0
1 -116 0
1 -117 0
1 -118 0
1 -119 0
1 -120 0
1 -121 0
1 -122 0
1 -123 0
1 -124 0
15 3 0
15 2 0
15 4 0
15 1 0
15 7 0
15 6 0
15 11 0
15 5 0
15 14 0
15 10 0
15 13 0
15 15 0
15 27 0
15 25 0
15 26 0
15 58 0
15 57 0
15 49 0
15 29 0
15 28 0
15 24 0
15 22 0
15 70 0
15 23 0
15 66 0
15 74 0
15 68 0
15 19 0
15 80 0
15 76 0
15 18 0
15 59 0
15 60 0
15 17 0
15 75 0
15 77 0
15 42 0
15 41 0
15 43 0
15 83 0
15 50 0
15 84 0
15 62 0
15 63 0
15 64 0
15 82 0
15 85 0
15 87 0
15 56 0
15 40 0
15 44 0
15 61 0
15 47 0
15 48 0
15 39 0
15 45 0
15 38 0
15 21 0
15 20 0
15 69 0
15 8 0
15 9 0
15 12 0
15 16 0
15 30 0
15 31 0
15 32 0
15 35 0
15 34 0
15 33 0
15 81 0
15 86 0
15 88 0
15 36 0
15 46 0
15 37 0
15 52 53 0
15 78 79 0
15 54 55 0
15 51 53 0
15 65 78 0
15 55 67 0
15 72 73 0
15 71 73 0
15 51 52 0
15 65 79 0
15 54 67 0
15 71 72 0
15 90 91 92 0
15 95 96 97 0
15 89 93 94 0
15 117 120 121 0
15 106 107 108 0
15 105 109 124 0
15 113 114 115 0
15 116 122 123 0
15 110 111 112 0
15 100 101 118 0
15 98 99 119 0
15 102 103 104 0
15 65 76 78 79 0
LMHS-int gives me an "s UNSATISFIABLE" result, which makes little sense to me, as all hard constraints in the instance only consist of positive literals, so there is at the very least the solution in which all variables are set to TRUE. It would be great to get some insight on why this is happening.
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