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Fix memory and concurrency issues in OCaml API #6992

Merged
merged 2 commits into from
Nov 17, 2023
Merged

Fix memory and concurrency issues in OCaml API #6992

merged 2 commits into from
Nov 17, 2023

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wintersteiger
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Fixes multiple issues with the OCaml API:

  • Global hash table for constructor objects meant that all contexts that use datatypes were never garbage collected
    • Adds Z3_constructor_num_fields to remove the need for the hash table
  • Flush API solver objects more eagerly
  • Fixes a latent memory leak in Z3.Goal.simplify
  • Makes the object count of OCaml context trackers _Atomic where available
  • Fixes a latent race on api::context::m_allocated_objects

@wintersteiger wintersteiger marked this pull request as ready for review November 14, 2023 22:11
NikolajBjorner added a commit that referenced this pull request Nov 15, 2023
@NikolajBjorner
add comment regarding usage model for flush_objects() to relate with pr
f1a39b8 
#6992

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
@NikolajBjorner NikolajBjorner merged commit 36382cc into Z3Prover:master Nov 17, 2023
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@wintersteiger @NikolajBjorner