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set kani default value to 1 #3912

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set kani default value to 1 #3912

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5 changes: 3 additions & 2 deletions kani-driver/src/call_cbmc.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -544,7 +544,8 @@ pub fn resolve_unwind_value(
) -> Option<u32> {
// Check for which flag is being passed and prioritize extracting unwind from the
// respective flag/annotation.
args.unwind.or(harness_metadata.attributes.unwind_value).or(args.default_unwind)
// If no unwind value is specified, default to 1 to prevent memory consumption issues
args.unwind.or(harness_metadata.attributes.unwind_value).or(args.default_unwind).or(Some(1))
}

#[cfg(test)]
Expand Down Expand Up @@ -575,7 +576,7 @@ mod tests {
}

// test against no unwind annotation
assert_eq!(resolve(&args_empty, &harness_none), None);
assert_eq!(resolve(&args_empty, &harness_none), Some(1));
assert_eq!(resolve(&args_only_default, &harness_none), Some(2));
assert_eq!(resolve(&args_only_harness, &harness_none), Some(1));
assert_eq!(resolve(&args_both, &harness_none), Some(1));
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