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% EXPECT: unsat
OPTION "logic" "ALL_SUPPORTED";
Atom : TYPE;
AtomTup : TYPE = [Atom];
AtomBinTup : TYPE = [Atom, Atom];
AtomTerTup : TYPE = [Atom, Atom, Atom];
Target: SET OF AtomTup;
Name: SET OF AtomTup;
Addr: SET OF AtomTup;
Book: SET OF AtomTup;
names: SET OF AtomBinTup;
addr: SET OF AtomTerTup;
b1: Atom;
b1_tup : AtomTup;
ASSERT b1_tup = TUPLE(b1);
ASSERT b1_tup IS_IN Book;
b2: Atom;
b2_tup : AtomTup;
ASSERT b2_tup = TUPLE(b2);
ASSERT b2_tup IS_IN Book;
b3: Atom;
b3_tup : AtomTup;
ASSERT b3_tup = TUPLE(b3);
ASSERT b3_tup IS_IN Book;
m: Atom;
m_tup : AtomTup;
ASSERT m_tup = TUPLE(m);
ASSERT m_tup IS_IN Name;
t: Atom;
t_tup : AtomTup;
ASSERT t_tup = TUPLE(t);
ASSERT t_tup IS_IN Target;
ASSERT ({m_tup} JOIN ({b1_tup} JOIN addr)) = {}::SET OF AtomTup;
ASSERT ({b2_tup} JOIN addr) = ({b1_tup} JOIN addr) | {(m,t)};
ASSERT ({b3_tup} JOIN addr) = ({b2_tup} JOIN addr) - {(m,t)};
ASSERT NOT (({b1_tup} JOIN addr) = ({b3_tup} JOIN addr));
CHECKSAT;
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