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Emit suggestions and an explanation when CBMC runs out of memory #2885

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merged 2 commits into from
Nov 20, 2023
Merged

Emit suggestions and an explanation when CBMC runs out of memory #2885

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564afa9
Emit some suggestions when CBMC runs out of memory
JustusAdam Nov 19, 2023
cb53939
Compile error
JustusAdam Nov 19, 2023
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11 changes: 10 additions & 1 deletion kani-driver/src/call_cbmc.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -327,8 +327,17 @@ impl VerificationResult {
}
Err(exit_status) => {
let verification_result = console::style("FAILED").red();
let explanation = if *exit_status == 137 {
"CBMC appears to have run out of memory. You may want to rerun your proof in \
an environment with additional memory or use stubbing to reduce the size of the \
code the verifier reasons about.\n"
} else {
""
};
format!(
"\nCBMC failed with status {exit_status}\nVERIFICATION:- {verification_result}\n",
"\nCBMC failed with status {exit_status}\n\
VERIFICATION:- {verification_result}\n\
{explanation}",
)
}
}
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