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Downgrade the toolchain to avoid blocking issue #1830

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Merged
merged 1 commit into from
Nov 1, 2022
Merged

Downgrade the toolchain to avoid blocking issue #1830

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4 changes: 2 additions & 2 deletions rust-toolchain.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -2,5 +2,5 @@
# SPDX-License-Identifier: Apache-2.0 OR MIT

[toolchain]
channel = "nightly-2022-10-25"
components = ["llvm-tools-preview", "rustc-dev", "rust-src", "rustfmt"]
channel = "nightly-2022-10-24"
components = ["llvm-tools-preview", "rustc-dev", "rust-src", "rustfmt"]
4 changes: 2 additions & 2 deletions scripts/kani-regression.sh
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Expand Up @@ -22,7 +22,7 @@ KANI_DIR=$SCRIPT_DIR/..
export KANI_FAIL_ON_UNEXPECTED_DESCRIPTION="true"

# Required dependencies
check-cbmc-version.py --major 5 --minor 67
check-cbmc-version.py --major 5 --minor 69
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I was just running into this (without updating cbmc you get a weird goto-cc failure in the test suite) so glad you snuck this in.

check-cbmc-viewer-version.py --major 3 --minor 5

# Formatting check
Expand Down Expand Up @@ -60,7 +60,7 @@ TESTS=(

if [[ "" != "${KANI_ENABLE_UNSOUND_EXPERIMENTS-}" ]]; then
TESTS+=("unsound_experiments kani")
else
else
TESTS+=("no_unsound_experiments expected")
fi

Expand Down
20 changes: 20 additions & 0 deletions tests/kani/ConstEval/limit.rs
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Original file line number Diff line number Diff line change
@@ -0,0 +1,20 @@
// Copyright Kani Contributors
// SPDX-License-Identifier: Apache-2.0 OR MIT
//
// Ensure that constant propagation can deal with a large number.
// This test used to trigger https://github.com/rust-lang/rust/issues/103814

const LENGTH: usize = 131072;
const CONST: usize = {
let data = [1; LENGTH];
let mut idx = 0;
while idx < data.len() {
idx += data[idx];
}
idx
};

#[kani::proof]
fn check_eval() {
assert_eq!(CONST, LENGTH);
}