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fix #4165 #4170

Merged
merged 1 commit into from
Apr 30, 2020
Merged

fix #4165 #4170

merged 1 commit into from
Apr 30, 2020

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hgvk94
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@hgvk94 hgvk94 commented Apr 30, 2020

Spacer has a different defintion of is_clause() than ast_util.
It is currently only used in assertions.

Main difference:
x=y
where x and y are Bool atoms is considered to be an atom, so that
(or (= x y) (not (= z y)))
is a literal

Spacer has a different defintion of is_clause() than ast_util.
It is currently only used in assertions.

Main difference:
  x=y
where x and y are Bool atoms is considered to be an atom, so that
(or (= x y) (not (= z y)))
is a literal
@msftclas
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msftclas commented Apr 30, 2020

CLA assistant check
All CLA requirements met.

@NikolajBjorner NikolajBjorner merged commit dbfa3dd into Z3Prover:master Apr 30, 2020
hgvk94 added a commit to hgvk94/z3 that referenced this pull request May 22, 2020
Spacer has a different defintion of is_clause() than ast_util.
It is currently only used in assertions.

Main difference:
  x=y
where x and y are Bool atoms is considered to be an atom, so that
(or (= x y) (not (= z y)))
is a literal

Co-authored-by: Arie Gurfinkel <arie.gurfinkel@uwaterloo.ca>
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(HORN) Assertion violation at ../src/muz/spacer/spacer_context.cpp Line: 929
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