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[CN] ptr_eq typing (confusingly) not strict enough #380

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dc-mak opened this issue Jul 11, 2024 · 1 comment · May be fixed by #522
Open

[CN] ptr_eq typing (confusingly) not strict enough #380

dc-mak opened this issue Jul 11, 2024 · 1 comment · May be fixed by #522
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@dc-mak
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dc-mak commented Jul 11, 2024 •
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Specifically, x and y should have type u64 not pointer

12:56 ➜  2024-cn-testing-paper git:(main) cat tmp.c && cn tmp.c
void f(unsigned int x, unsigned int y)
/*@ requires ptr_eq(x,y);
   ensures true; @*/
{ }

[1/1]: f
@dc-mak dc-mak added the cn label Jul 11, 2024
@dc-mak dc-mak self-assigned this Jul 15, 2024
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dc-mak commented Aug 19, 2024

The way to solve this would be to convert the definitions in backend/cn/lib/builtins.ml to LogicalFunction.defintion types and then adjust init_env in backend/cn/lib/compile.ml to have functions = (* builtins list to map *).

@dc-mak dc-mak removed their assignment Aug 19, 2024
@dc-mak dc-mak changed the title [CN] Bug in ptr_eq typing [CN] ptr_eq typing not strict enough Aug 20, 2024
@dc-mak dc-mak changed the title [CN] ptr_eq typing not strict enough [CN] ptr_eq typing (confusingly) not strict enough Aug 20, 2024
@dc-mak dc-mak mentioned this issue Aug 20, 2024
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@dsainati1 dsainati1 linked a pull request Aug 20, 2024 that will close this issue
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[CN] Fix #380 (Have ptr_eq typechecks its arguments) dsainati1/cerberus
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