Kast to kore segfault bug

package/version

@@ -1 +1 @@
-0.1.85
+0.1.86

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "poetry.core.masonry.api"
 
 [tool.poetry]
 name = "kontrol"
-version = "0.1.85"
+version = "0.1.86"
 description = "Foundry integration for KEVM"
 authors = [
     "Runtime Verification, Inc. <contact@runtimeverification.com>",

src/kontrol/__init__.py

@@ -5,4 +5,4 @@
 if TYPE_CHECKING:
     from typing import Final
 
-VERSION: Final = '0.1.85'
+VERSION: Final = '0.1.86'

src/kontrol/__main__.py

@@ -1,5 +1,6 @@
 from __future__ import annotations
 
+import faulthandler
 import json
 import logging
 import sys
@@ -211,6 +212,9 @@ def exec_prove(
     maude_port: int | None = None,
     **kwargs: Any,
 ) -> None:
+
+    faulthandler.enable()
+
     _ignore_arg(kwargs, 'main_module', f'--main-module: {kwargs["main_module"]}')
     _ignore_arg(kwargs, 'syntax_module', f'--syntax-module: {kwargs["syntax_module"]}')
     _ignore_arg(kwargs, 'definition_dir', f'--definition: {kwargs["definition_dir"]}')

src/tests/integration/test_foundry_prove.py

@@ -3,23 +3,26 @@
 import sys
 from distutils.dir_util import copy_tree
 from typing import TYPE_CHECKING
+import json
 
 import pytest
 from filelock import FileLock
 from pyk.kore.rpc import kore_server
 from pyk.proof import APRProof
 from pyk.utils import run_process, single
+from pyk.kast import KInner
+from pyk.konvert import kast_to_kore
 
 from kontrol.foundry import Foundry, foundry_merge_nodes, foundry_remove_node, foundry_show, foundry_step_node
 from kontrol.kompile import foundry_kompile
 from kontrol.options import ProveOptions, RPCOptions
 from kontrol.prove import foundry_prove
 
 from .utils import TEST_DATA_DIR
+from pathlib import Path
 
 if TYPE_CHECKING:
     from collections.abc import Iterator
-    from pathlib import Path
     from typing import Final
 
     from pyk.kore.rpc import KoreServer
@@ -489,3 +492,16 @@ def test_foundry_init_code(test: str, foundry: Foundry, bug_report: BugReport |
 
     # Then
     assert_pass(test, single(prove_res))
+
+
+def test_kast_to_kore_bug(
+    foundry: Foundry,
+) -> None:
+
+    sys.setrecursionlimit(10**8)
+
+    bug_json = json.loads(Path(TEST_DATA_DIR / 'bug.json').read_text())
+
+    kast = KInner.from_dict(bug_json)
+
+    kore = kast_to_kore(foundry.kevm.definition, foundry.kevm.kompiled_kore, kast)