force recompilation during initial timing test run

slither/tools/mutator/__main__.py

@@ -204,7 +204,7 @@ def main() -> (None):  # pylint: disable=too-many-statements,too-many-branches,t
 
     # run and time tests, abort if they're broken
     start_time = time.time()
-    if not run_test_cmd(test_command, "", 600): # use a very long timeout this first time
+    if not run_test_cmd(test_command, "", 0): # no timeout during the first run
         logger.error(red("Test suite fails before mutation, aborting"))
         return
 

slither/tools/mutator/utils/testing_generated_mutant.py

@@ -34,13 +34,17 @@ def run_test_cmd(cmd: str, timeout: int | None, target_file: str | None) -> bool
     elif "hardhat test" in cmd or "truffle test" in cmd and "--bail" not in cmd:
         cmd += " --bail"
 
+    if timeout == 0:
+        # add --forrce to ensure all contracts are recompiled w/out using cache
+        cmd += " --force"
+
     try:
         result = subprocess.run(
             cmd,
             shell=True,
             stdout=subprocess.PIPE,
             stderr=subprocess.PIPE,
-            timeout=timeout,
+            timeout=timeout if timeout != 0 else None,
             check=False  # True: Raises a CalledProcessError if the return code is non-zero
         )