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SMT2: fix extractbit with non-const index #8180

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Feb 5, 2024
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SMT2: fix extractbit with non-const index #8180

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3 changes: 2 additions & 1 deletion src/solvers/smt2/smt2_conv.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1812,9 +1812,10 @@
// the arguments of the shift need to have the same width
out << "(bvlshr ";
flatten2bv(extractbit_expr.src());
out << ' ';

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typecast_exprt tmp(extractbit_expr.index(), extractbit_expr.src().type());
convert_expr(tmp);
out << ")) bin1)"; // bvlshr, extract, =
out << ")) #b1)"; // bvlshr, extract, =

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}
}
else if(expr.id()==ID_extractbits)
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