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28 lines
865 B
28 lines
865 B
#!/usr/bin/python3
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from z3 import *
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a,b,c,d,e,f = Ints('a b c d e f')
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s = Solver()
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s.add(215*a + 275*b + 335*c + 355*d + 420*e + 580*f == 1505, a>=0, b>=0, c>=0, d>=0, e>=0, f>=0)
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results=[]
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while True:
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if s.check() == sat: #
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m = s.model() #
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print(m) #
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results.append(m)
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block = [a != m[a].as_long(), b != m[b].as_long(), c != m[c].as_long(), d != m[d].as_long(), e != m[e].as_long(), f != m[f].as_long()]
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"""
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#Different approach: Iterate over all entries in the model
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block = []
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for d in m.decls():
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print(d, type(d), d(), type(d()), m[d], type(m[d]))
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c = d()
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block.append(c != m[d].as_long())
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#print(s.sexpr())
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"""
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s.add(Or(block))
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else:
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print ("All results enumerated, total=", len(results))
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break
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