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Add CBMC target platform support#1201

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ptp/cbmc-target-platforms-v3
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Add CBMC target platform support#1201
tob-joe wants to merge 2 commits into
mainfrom
ptp/cbmc-target-platforms-v3

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@tob-joe

@tob-joe tob-joe commented Jun 26, 2026

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Summary

  • add explicit CBMC target platform selection for i386-linux, x86_64-linux, aarch64-linux, riscv64-linux, and ppc64le-linux
  • add a cbmc32 Nix shell with the matching target compilers
  • use the selected target compiler as the preprocessor/header provider for goto-cc and goto-instrument
  • add a target ABI canary proof for pointer, size_t, long, and uint64_t widths
  • run that target ABI canary in CBMC CI for every supported explicit target through the cbmc32 shell
  • tune the 32-bit ML-DSA proof blockers found during full-suite runs

Verification

  • nix develop .#ci -c lint
  • git diff --check
  • python3 -B -m py_compile scripts/tests proofs/cbmc/run-cbmc-proofs.py
  • ./scripts/tests cbmc --help | rg -- '--cbmc-target|i386-linux|x86_64-linux|aarch64-linux|riscv64-linux|ppc64le-linux|native|ilp32'
  • cbmc_target_model passed locally for i386-linux, x86_64-linux, aarch64-linux, riscv64-linux, and ppc64le-linux under .#cbmc32
  • nix eval --raw .#devShells.aarch64-linux.cbmc32.drvPath
  • earlier full ML-DSA CBMC evidence for the i386 Linux target: parameter sets 44, 65, and 87 each completed with 206 successes

This work was completed by Trail of Bits as part of the Patch The Planet project in collaboration with OpenAI. The issue was identified primarily by the Codex coding agent, and manually reviewed before submission.

Add explicit CBMC target platform selection for the proof infrastructure,
including i386 Linux support with an i686 preprocessor and matching
CBMC target-model flags.

Add target compiler shims for goto-instrument, a target ABI canary proof, and
the solver/proof configuration tweaks needed by the 32-bit ML-DSA suite. Do
not expose riscv32 as a CBMC target because this CBMC toolchain does not
support that architecture model.

Verification: git diff --check; python3 -B -m py_compile scripts/tests proofs/cbmc/run-cbmc-proofs.py; ./scripts/tests cbmc --help target list; canary dry-runs for i386-linux, x86_64-linux, aarch64-linux, riscv64-linux, and ppc64le-linux; nix eval --raw .#devShells.aarch64-linux.cbmc32.drvPath.

Signed-off-by: Joe Doyle <joseph.doyle@trailofbits.com>
Co-authored-by: Codex <codex@openai.com>
@tob-joe tob-joe requested a review from a team as a code owner June 26, 2026 01:40
Add CBMC workflow inputs for selecting a target platform, proof subset, single-step execution, timeout, report mode, and Nix shell. Use those inputs to run the cbmc_target_model canary across every supported explicit CBMC target in the cbmc32 shell, while leaving the existing full-suite CBMC jobs unchanged.

Also format flake.nix with nixpkgs-fmt and add the SPDX/copyright headers required by lint to the target compiler shims.

Verification:
- nix develop .#ci -c lint
- python3 -B -m py_compile scripts/tests proofs/cbmc/run-cbmc-proofs.py
- ./scripts/tests cbmc --help
- cbmc_target_model passed locally for i386-linux, x86_64-linux, aarch64-linux, riscv64-linux, and ppc64le-linux under .#cbmc32

Signed-off-by: Joe Doyle <joseph.doyle@trailofbits.com>
Co-authored-by: Codex <codex@openai.com>
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oqs-bot commented Jun 26, 2026

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CBMC Results (ML-DSA-65, REDUCE-RAM)

⚠️ Attention Required

Proof Status Current Previous Change
**TOTAL** ⚠️ 2013s 1495s +34.6%
mld_ntt_butterfly_block ⚠️ 402s 21s +1814%
rej_eta_native ⚠️ 128s 4s +3100%
Full Results (206 proofs)
Proof Status Current Previous Change
**TOTAL** ⚠️ 2013s 1495s +34.6%
mld_ntt_butterfly_block ⚠️ 402s 21s +1814%
mld_invntt_layer 166s 163s +2%
poly_pointwise_montgomery_c 130s 133s -2%
rej_eta_native ⚠️ 128s 4s +3100%
rej_uniform_native 123s 119s +3%
polyvec_matrix_pointwise_montgomery_yvec 79s 81s -2%
mld_ct_memcmp 69s 65s +6%
mld_ntt_layer 44s 41s +7%
fqmul 38s 39s -3%
polyveck_chknorm 35s 36s -3%
keccakf1600x4_permute_native 23s 22s +5%
mld_attempt_signature_generation 21s 21s +0%
polyveck_decompose 19s 16s +19%
poly_chknorm_c 18s 17s +6%
mld_check_pct 17s 14s +21%
polyt0_unpack 17s 17s +0%
rej_uniform_c 16s 16s +0%
polyvecl_chknorm 14s 14s +0%
sign_verify_internal 14s 16s -12%
poly_uniform_eta_4x 12s 13s -8%
poly_add 10s 11s -9%
rej_uniform 10s 7s +43%
polyvec_matrix_pointwise_montgomery_row 9s 11s -18%
keccak_absorb_once_x4 8s 8s +0%
mld_ct_cmask_nonzero_u32 8s 4s +100%
polyveck_invntt_tomont 8s 5s +60%
mld_keccakf1600_permute_c 7s 6s +17%
poly_caddq_c 7s 3s +133%
poly_invntt_tomont_c 7s 10s -30%
polyeta_unpack 7s 7s +0%
polyveck_caddq 7s 7s +0%
polyvecl_ntt 7s 6s +17%
sign 7s 6s +17%
pointwise_acc_native_aarch64 6s 6s +0%
polyz_unpack_19_native_aarch64 6s 4s +50%
polyz_unpack_c 6s 6s +0%
sign_signature_pre_hash_internal 6s 4s +50%
compute_pack_t0_t1 5s 7s -29%
intt_native_x86_64 5s 5s +0%
keccak_absorb 5s 5s +0%
mld_compute_pack_z 5s 6s -17%
mld_keccakf1600x4_extract_bytes_c 5s 4s +25%
ntt_native_x86_64 5s 4s +25%
pointwise_acc_native_x86_64 5s 6s -17%
pointwise_native_x86_64 5s 3s +67%
poly_caddq 5s 3s +67%
poly_caddq_native 5s 3s +67%
poly_chknorm_native_aarch64 5s 4s +25%
poly_permute_bitrev_to_custom_optional_native 5s 5s +0%
poly_power2round 5s 7s -29%
poly_shiftl 5s 4s +25%
poly_uniform_gamma1 5s 3s +67%
poly_use_hint 5s 4s +25%
polyeta_pack 5s 2s +150%
polyt1_unpack 5s 3s +67%
polyveck_reduce 5s 4s +25%
polyvecl_uniform_gamma1 5s 2s +150%
sign_keypair 5s 6s -17%
sign_pk_from_sk 5s 7s -29%
sign_signature 5s 3s +67%
caddq 4s 3s +33%
keccak_f1600_x1_native_aarch64_v84a 4s 2s +100%
mld_ct_get_optblocker_u32 4s 4s +0%
mld_h 4s 3s +33%
mld_keccakf1600_extract_bytes 4s 3s +33%
mld_prepare_domain_separation_prefix 4s 3s +33%
nttunpack_native_x86_64 4s 3s +33%
pack_sig_c 4s 3s +33%
pack_sig_h 4s 4s +0%
pack_sig_z 4s 3s +33%
pack_sk_rho_key_tr_s2 4s 2s +100%
poly_caddq_native_aarch64 4s 4s +0%
poly_caddq_native_x86_64 4s 2s +100%
poly_decompose 4s 2s +100%
poly_decompose_c 4s 5s -20%
poly_decompose_native 4s 3s +33%
poly_ntt_native 4s 4s +0%
poly_permute_bitrev_to_custom_optional 4s 4s +0%
poly_reduce 4s 3s +33%
poly_uniform_4x 4s 3s +33%
polyvec_matrix_expand 4s 1s +300%
polyveck_ntt 4s 4s +0%
polyveck_unpack_eta 4s 2s +100%
polyvecl_pointwise_acc_montgomery 4s 2s +100%
polyvecl_unpack_eta 4s 3s +33%
shake256 4s 2s +100%
sign_signature_extmu 4s 3s +33%
sign_signature_pre_hash_shake256 4s 6s -33%
sign_verify_pre_hash_internal 4s 2s +100%
use_hint 4s 3s +33%
decompose 3s 2s +50%
intt_native_aarch64 3s 4s -25%
keccak_f1600_x1_native_aarch64 3s 2s +50%
keccak_f1600_x4_native_aarch64_v84a 3s 1s +200%
keccak_f1600_x4_native_aarch64_v8a_v84a_scalar_hybrid 3s 3s +0%
keccak_squeeze 3s 4s -25%
keccak_squeezeblocks_x4 3s 5s -40%
keccakf1600_extract_bytes (big endian) 3s 1s +200%
keccakf1600x4_extract_bytes_native 3s 3s +0%
keccakf1600x4_permute 3s 3s +0%
keccakf1600x4_xor_bytes 3s 3s +0%
make_hint 3s 4s -25%
mld_cbmc_target_model 3s - new
mld_ct_abs_i32 3s 3s +0%
mld_ct_get_optblocker_i64 3s 2s +50%
mld_ct_get_optblocker_u8 3s 3s +0%
mld_polymat_expand_entry 3s 3s +0%
mld_sample_s1_s2 3s 4s -25%
mld_sample_s1_s2_serial 3s 3s +0%
ntt_native_aarch64 3s 3s +0%
pointwise_native_aarch64 3s 2s +50%
poly_challenge 3s 5s -40%
poly_chknorm_native_x86_64 3s 2s +50%
poly_invntt_tomont 3s 4s -25%
poly_invntt_tomont_native 3s 2s +50%
poly_ntt 3s 3s +0%
poly_ntt_c 3s 2s +50%
poly_pointwise_montgomery_native 3s 2s +50%
poly_use_hint_native_aarch64 3s 3s +0%
polyt0_pack 3s 6s -50%
polyt1_pack 3s 4s -25%
polyvec_matrix_expand_serial 3s 3s +0%
polyvecl_pointwise_acc_montgomery_native 3s 3s +0%
polyw1_pack_32 3s 2s +50%
polyz_unpack 3s 3s +0%
polyz_unpack_native 3s 2s +50%
power2round 3s 2s +50%
reduce32 3s 3s +0%
rej_eta_c 3s 2s +50%
rej_uniform_eta_native_aarch64 3s 3s +0%
rej_uniform_native_aarch64 3s 3s +0%
shake128_init 3s 2s +50%
shake128x4_absorb_once 3s 1s +200%
shake256_finalize 3s 2s +50%
shake256_release 3s 2s +50%
shake256x4_squeezeblocks 3s 2s +50%
sign_open 3s 5s -40%
sign_signature_internal 3s 4s -25%
sign_verify 3s 2s +50%
sk_s1hat_get_poly 3s 3s +0%
unpack_pk_t1 3s 1s +200%
unpack_sk 3s 3s +0%
unpack_sk_s1hat 3s 4s -25%
fqscale 2s 4s -50%
keccak_f1600_x4_native_aarch64_v8a_scalar_hybrid 2s 2s +0%
keccak_f1600_x4_native_avx2 2s 2s +0%
keccak_finalize 2s 4s -50%
keccakf1600_permute 2s 2s +0%
keccakf1600_permute_native 2s 5s -60%
keccakf1600_xor_bytes (big endian) 2s 3s -33%
keccakf1600x4_extract_bytes 2s 2s +0%
keccakf1600x4_xor_bytes_native 2s 1s +100%
mld_ct_sel_int32 2s 4s -50%
mld_keccakf1600x4_xor_bytes_c 2s 1s +100%
mld_value_barrier_i64 2s 3s -33%
mld_value_barrier_u32 2s 2s +0%
mld_value_barrier_u8 2s 2s +0%
montgomery_reduce 2s 5s -60%
poly_chknorm_native 2s 4s -50%
poly_decompose_32_native_aarch64 2s 1s +100%
poly_decompose_88_native_aarch64 2s 2s +0%
poly_pointwise_montgomery 2s 2s +0%
poly_sub 2s 3s -33%
poly_uniform 2s 3s -33%
poly_uniform_eta 2s 2s +0%
poly_uniform_gamma1_4x 2s 2s +0%
polyveck_pack_eta 2s 2s +0%
polyveck_pack_w1 2s 2s +0%
polyvecl_uniform_gamma1_serial 2s 3s -33%
polyw1_pack 2s 4s -50%
polyw1_pack_88 2s 3s -33%
polyz_unpack_17_native_aarch64 2s 4s -50%
polyz_unpack_native_x86_64 2s 3s -33%
rej_eta 2s 2s +0%
shake128_absorb 2s 3s -33%
shake128_release 2s 1s +100%
shake128_squeeze 2s 2s +0%
shake128x4_squeezeblocks 2s 2s +0%
shake256_absorb 2s 3s -33%
shake256_init 2s 2s +0%
shake256x4_absorb_once 2s 1s +100%
sig_unpack_hints 2s 3s -33%
sign_keypair_internal 2s 4s -50%
sign_verify_extmu 2s 4s -50%
sign_verify_pre_hash_shake256 2s 5s -60%
sys_check_capability 2s 2s +0%
unpack_sk_s2hat 2s 2s +0%
unpack_sk_t0hat 2s 1s +100%
keccak_init 1s 3s -67%
keccakf1600_xor_bytes 1s 2s -50%
mld_ct_cmask_neg_i32 1s 4s -75%
mld_ct_cmask_nonzero_u8 1s 4s -75%
pack_sk_s1 1s 4s -75%
poly_chknorm 1s 5s -80%
poly_use_hint_c 1s 3s -67%
poly_use_hint_native 1s 4s -75%
polyvecl_pack_eta 1s 3s -67%
polyvecl_pointwise_acc_montgomery_c 1s 3s -67%
polyvecl_unpack_z 1s 3s -67%
polyz_pack 1s 3s -67%
shake128_finalize 1s 4s -75%
shake256_squeeze 1s 2s -50%
sk_s2hat_get_poly 1s 1s +0%
sk_t0hat_get_poly 1s 2s -50%
yvec_get_poly 1s 3s -67%
yvec_init 1s 5s -80%

@oqs-bot

oqs-bot commented Jun 26, 2026

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CBMC Results (ML-DSA-87, REDUCE-RAM)

⚠️ Attention Required

Proof Status Current Previous Change
**TOTAL** ⚠️ 2346s 1664s +41.0%
mld_ntt_butterfly_block ⚠️ 499s 23s +2070%
rej_eta_native ⚠️ 169s 5s +3280%
Full Results (206 proofs)
Proof Status Current Previous Change
**TOTAL** ⚠️ 2346s 1664s +41.0%
mld_ntt_butterfly_block ⚠️ 499s 23s +2070%
mld_invntt_layer 188s 172s +9%
rej_eta_native ⚠️ 169s 5s +3280%
polyvec_matrix_pointwise_montgomery_yvec 163s 162s +1%
poly_pointwise_montgomery_c 139s 135s +3%
rej_uniform_native 134s 128s +5%
mld_ct_memcmp 73s 69s +6%
mld_ntt_layer 46s 44s +5%
fqmul 42s 44s -5%
mld_attempt_signature_generation 38s 35s +9%
keccakf1600x4_permute_native 24s 22s +9%
sign_verify_internal 22s 22s +0%
poly_chknorm_c 20s 19s +5%
polyveck_decompose 18s 16s +12%
polyt0_unpack 17s 15s +13%
rej_uniform_c 16s 16s +0%
poly_uniform_eta_4x 15s 14s +7%
polyeta_unpack 15s 15s +0%
polyvecl_chknorm 13s 11s +18%
poly_add 12s 12s +0%
compute_pack_t0_t1 11s 11s +0%
mld_check_pct 11s 11s +0%
keccak_absorb 10s 6s +67%
keccak_absorb_once_x4 10s 8s +25%
sign 9s 7s +29%
sign_pk_from_sk 9s 6s +50%
mld_sample_s1_s2 8s 5s +60%
pointwise_acc_native_aarch64 8s 8s +0%
poly_power2round 8s 8s +0%
polyvecl_ntt 8s 9s -11%
rej_uniform 8s 9s -11%
mld_keccakf1600_permute_c 7s 5s +40%
mld_sample_s1_s2_serial 7s 6s +17%
pointwise_acc_native_x86_64 7s 7s +0%
poly_chknorm 7s 3s +133%
poly_invntt_tomont_c 7s 7s +0%
polyveck_reduce 7s 6s +17%
polyz_unpack_c 7s 7s +0%
sign_verify 7s 5s +40%
poly_reduce 6s 4s +50%
polyvec_matrix_pointwise_montgomery_row 6s 9s -33%
polyveck_caddq 6s 6s +0%
polyveck_invntt_tomont 6s 7s -14%
polyw1_pack_88 6s 5s +20%
sign_signature 6s 7s -14%
sign_signature_internal 6s 4s +50%
sk_s1hat_get_poly 6s 3s +100%
intt_native_aarch64 5s 2s +150%
mld_compute_pack_z 5s 4s +25%
mld_prepare_domain_separation_prefix 5s 4s +25%
pack_sig_c 5s 4s +25%
polyvec_matrix_expand 5s 2s +150%
polyveck_unpack_eta 5s 3s +67%
polyvecl_pointwise_acc_montgomery_c 5s 3s +67%
polyz_unpack_native_x86_64 5s 4s +25%
rej_eta_c 5s 4s +25%
rej_uniform_eta_native_aarch64 5s 3s +67%
shake256_finalize 5s 3s +67%
sign_open 5s 6s -17%
sk_s2hat_get_poly 5s 2s +150%
caddq 4s 2s +100%
keccak_f1600_x1_native_aarch64_v84a 4s 2s +100%
keccak_init 4s 3s +33%
keccakf1600_extract_bytes (big endian) 4s 1s +300%
make_hint 4s 3s +33%
mld_keccakf1600x4_extract_bytes_c 4s 2s +100%
mld_keccakf1600x4_xor_bytes_c 4s 3s +33%
mld_polymat_expand_entry 4s 3s +33%
montgomery_reduce 4s 3s +33%
pointwise_native_x86_64 4s 5s -20%
poly_caddq_native 4s 5s -20%
poly_challenge 4s 6s -33%
poly_chknorm_native_aarch64 4s 3s +33%
poly_decompose 4s 4s +0%
poly_decompose_32_native_aarch64 4s 2s +100%
poly_decompose_c 4s 10s -60%
poly_permute_bitrev_to_custom_optional_native 4s 3s +33%
poly_shiftl 4s 5s -20%
poly_sub 4s 2s +100%
poly_uniform_gamma1_4x 4s 5s -20%
polyt1_unpack 4s 3s +33%
polyveck_chknorm 4s 2s +100%
polyvecl_unpack_eta 4s 4s +0%
polyvecl_unpack_z 4s 2s +100%
polyz_unpack_native 4s 7s -43%
reduce32 4s 3s +33%
shake128_finalize 4s 2s +100%
sign_keypair 4s 5s -20%
sign_signature_extmu 4s 5s -20%
sign_signature_pre_hash_internal 4s 3s +33%
sign_signature_pre_hash_shake256 4s 6s -33%
sign_verify_pre_hash_shake256 4s 4s +0%
sk_t0hat_get_poly 4s 3s +33%
intt_native_x86_64 3s 1s +200%
keccak_f1600_x4_native_aarch64_v8a_v84a_scalar_hybrid 3s 2s +50%
keccak_squeeze 3s 3s +0%
keccak_squeezeblocks_x4 3s 4s -25%
keccakf1600_permute_native 3s 3s +0%
keccakf1600_xor_bytes (big endian) 3s 2s +50%
keccakf1600x4_extract_bytes 3s 5s -40%
keccakf1600x4_extract_bytes_native 3s 4s -25%
keccakf1600x4_xor_bytes_native 3s 2s +50%
mld_ct_abs_i32 3s 1s +200%
mld_ct_cmask_neg_i32 3s 3s +0%
mld_ct_cmask_nonzero_u32 3s 3s +0%
mld_ct_cmask_nonzero_u8 3s 6s -50%
mld_ct_get_optblocker_u8 3s 1s +200%
mld_h 3s 3s +0%
mld_value_barrier_i64 3s 4s -25%
ntt_native_aarch64 3s 2s +50%
ntt_native_x86_64 3s 4s -25%
nttunpack_native_x86_64 3s 5s -40%
pack_sig_h 3s 3s +0%
pack_sig_z 3s 3s +0%
pack_sk_s1 3s 3s +0%
pointwise_native_aarch64 3s 4s -25%
poly_caddq 3s 4s -25%
poly_caddq_c 3s 5s -40%
poly_caddq_native_aarch64 3s 3s +0%
poly_caddq_native_x86_64 3s 3s +0%
poly_chknorm_native 3s 3s +0%
poly_chknorm_native_x86_64 3s 5s -40%
poly_decompose_88_native_aarch64 3s 3s +0%
poly_invntt_tomont 3s 3s +0%
poly_invntt_tomont_native 3s 4s -25%
poly_ntt 3s 2s +50%
poly_ntt_native 3s 2s +50%
poly_permute_bitrev_to_custom_optional 3s 2s +50%
poly_pointwise_montgomery_native 3s 3s +0%
poly_uniform 3s 3s +0%
poly_uniform_4x 3s 4s -25%
poly_uniform_gamma1 3s 2s +50%
poly_use_hint 3s 4s -25%
poly_use_hint_c 3s 4s -25%
polyt0_pack 3s 2s +50%
polyt1_pack 3s 4s -25%
polyveck_pack_eta 3s 5s -40%
polyveck_pack_w1 3s 3s +0%
polyvecl_pack_eta 3s 2s +50%
polyvecl_pointwise_acc_montgomery_native 3s 3s +0%
polyz_pack 3s 1s +200%
polyz_unpack 3s 3s +0%
polyz_unpack_17_native_aarch64 3s 6s -50%
rej_uniform_native_aarch64 3s 5s -40%
shake128_absorb 3s 3s +0%
shake128_release 3s 3s +0%
shake128x4_absorb_once 3s 2s +50%
shake256_absorb 3s 3s +0%
shake256_release 3s 3s +0%
shake256_squeeze 3s 2s +50%
sign_verify_extmu 3s 4s -25%
sign_verify_pre_hash_internal 3s 2s +50%
sys_check_capability 3s 2s +50%
unpack_pk_t1 3s 2s +50%
unpack_sk_s2hat 3s 2s +50%
use_hint 3s 2s +50%
yvec_get_poly 3s 4s -25%
yvec_init 3s 4s -25%
decompose 2s 2s +0%
fqscale 2s 3s -33%
keccak_f1600_x4_native_aarch64_v84a 2s 5s -60%
keccak_f1600_x4_native_aarch64_v8a_scalar_hybrid 2s 4s -50%
keccak_f1600_x4_native_avx2 2s 1s +100%
keccakf1600_permute 2s 1s +100%
keccakf1600_xor_bytes 2s 4s -50%
keccakf1600x4_xor_bytes 2s 5s -60%
mld_cbmc_target_model 2s - new
mld_ct_get_optblocker_i64 2s 1s +100%
mld_ct_sel_int32 2s 2s +0%
mld_keccakf1600_extract_bytes 2s 4s -50%
mld_value_barrier_u32 2s 5s -60%
mld_value_barrier_u8 2s 2s +0%
pack_sk_rho_key_tr_s2 2s 2s +0%
poly_decompose_native 2s 2s +0%
poly_ntt_c 2s 3s -33%
poly_pointwise_montgomery 2s 3s -33%
poly_uniform_eta 2s 2s +0%
poly_use_hint_native 2s 3s -33%
poly_use_hint_native_aarch64 2s 4s -50%
polyeta_pack 2s 2s +0%
polyvec_matrix_expand_serial 2s 4s -50%
polyvecl_pointwise_acc_montgomery 2s 3s -33%
polyvecl_uniform_gamma1 2s 2s +0%
polyvecl_uniform_gamma1_serial 2s 4s -50%
polyw1_pack 2s 3s -33%
polyz_unpack_19_native_aarch64 2s 3s -33%
power2round 2s 3s -33%
rej_eta 2s 3s -33%
shake128_init 2s 4s -50%
shake128x4_squeezeblocks 2s 3s -33%
shake256_init 2s 2s +0%
shake256x4_absorb_once 2s 1s +100%
shake256x4_squeezeblocks 2s 5s -60%
sig_unpack_hints 2s 5s -60%
sign_keypair_internal 2s 8s -75%
unpack_sk_s1hat 2s 2s +0%
unpack_sk_t0hat 2s 3s -33%
keccak_f1600_x1_native_aarch64 1s 1s +0%
keccak_finalize 1s 2s -50%
keccakf1600x4_permute 1s 2s -50%
mld_ct_get_optblocker_u32 1s 3s -67%
polyveck_ntt 1s 2s -50%
polyw1_pack_32 1s 2s -50%
shake128_squeeze 1s 2s -50%
shake256 1s 2s -50%
unpack_sk 1s 5s -80%

@oqs-bot

oqs-bot commented Jun 26, 2026

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CBMC Results (ML-DSA-44, REDUCE-RAM)

⚠️ Attention Required

Proof Status Current Previous Change
**TOTAL** ⚠️ 2214s 1486s +49.0%
mld_ntt_butterfly_block ⚠️ 484s 19s +2447%
rej_eta_native ⚠️ 170s 4s +4150%
Full Results (206 proofs)
Proof Status Current Previous Change
**TOTAL** ⚠️ 2214s 1486s +49.0%
mld_ntt_butterfly_block ⚠️ 484s 19s +2447%
mld_invntt_layer 182s 160s +14%
rej_eta_native ⚠️ 170s 4s +4150%
poly_pointwise_montgomery_c 142s 131s +8%
rej_uniform_native 133s 115s +16%
polyvec_matrix_pointwise_montgomery_yvec 118s 111s +6%
mld_ct_memcmp 73s 63s +16%
mld_ntt_layer 45s 40s +12%
fqmul 42s 42s +0%
mld_attempt_signature_generation 26s 24s +8%
keccakf1600x4_permute_native 23s 22s +5%
poly_chknorm_c 22s 17s +29%
sign_verify_internal 21s 23s -9%
polyt0_unpack 16s 18s -11%
mld_check_pct 15s 17s -12%
poly_uniform_eta_4x 15s 12s +25%
polyeta_unpack 15s 14s +7%
rej_uniform_c 15s 16s -6%
poly_add 13s 11s +18%
poly_invntt_tomont_c 11s 11s +0%
polyvec_matrix_pointwise_montgomery_row 11s 9s +22%
compute_pack_t0_t1 10s 8s +25%
keccak_absorb_once_x4 10s 9s +11%
polyveck_chknorm 10s 9s +11%
polyz_unpack_c 10s 11s -9%
pointwise_acc_native_x86_64 8s 6s +33%
rej_uniform 8s 8s +0%
mld_compute_pack_z 7s 6s +17%
mld_keccakf1600_permute_c 7s 5s +40%
keccak_absorb 6s 6s +0%
poly_caddq_native 6s 3s +100%
poly_challenge 6s 5s +20%
poly_decompose_c 6s 6s +0%
poly_ntt_c 6s 2s +200%
poly_power2round 6s 8s -25%
polyveck_decompose 6s 5s +20%
polyvecl_chknorm 6s 5s +20%
polyvecl_ntt 6s 3s +100%
sign_pk_from_sk 6s 6s +0%
intt_native_aarch64 5s 2s +150%
keccak_squeezeblocks_x4 5s 3s +67%
mld_sample_s1_s2 5s 5s +0%
ntt_native_x86_64 5s 4s +25%
poly_caddq_native_aarch64 5s 2s +150%
poly_reduce 5s 5s +0%
poly_use_hint_native 5s 6s -17%
polyveck_caddq 5s 4s +25%
polyveck_invntt_tomont 5s 7s -29%
polyveck_pack_eta 5s 2s +150%
rej_eta 5s 2s +150%
rej_uniform_native_aarch64 5s 3s +67%
sig_unpack_hints 5s 3s +67%
sign 5s 7s -29%
sign_keypair 5s 3s +67%
sign_open 5s 5s +0%
sign_signature_internal 5s 3s +67%
sign_verify 5s 6s -17%
sign_verify_pre_hash_internal 5s 5s +0%
sign_verify_pre_hash_shake256 5s 4s +25%
caddq 4s 4s +0%
intt_native_x86_64 4s 3s +33%
keccak_f1600_x1_native_aarch64 4s 3s +33%
keccakf1600_xor_bytes 4s 2s +100%
ntt_native_aarch64 4s 2s +100%
pointwise_acc_native_aarch64 4s 6s -33%
poly_chknorm_native_aarch64 4s 3s +33%
poly_decompose_32_native_aarch64 4s 2s +100%
poly_decompose_88_native_aarch64 4s 2s +100%
poly_invntt_tomont_native 4s 3s +33%
poly_ntt 4s 3s +33%
poly_permute_bitrev_to_custom_optional 4s 2s +100%
poly_pointwise_montgomery_native 4s 3s +33%
polyvec_matrix_expand_serial 4s 2s +100%
polyveck_unpack_eta 4s 2s +100%
polyvecl_pointwise_acc_montgomery 4s 4s +0%
polyz_unpack_17_native_aarch64 4s 7s -43%
polyz_unpack_native 4s 3s +33%
polyz_unpack_native_x86_64 4s 3s +33%
shake128_init 4s 3s +33%
shake256 4s 2s +100%
sign_keypair_internal 4s 4s +0%
sign_signature 4s 4s +0%
sign_signature_pre_hash_shake256 4s 2s +100%
sign_verify_extmu 4s 5s -20%
sk_s1hat_get_poly 4s 4s +0%
sk_t0hat_get_poly 4s 3s +33%
unpack_sk_t0hat 4s 1s +300%
decompose 3s 3s +0%
fqscale 3s 2s +50%
keccak_f1600_x4_native_aarch64_v8a_scalar_hybrid 3s 3s +0%
keccakf1600_permute 3s 3s +0%
keccakf1600_xor_bytes (big endian) 3s 3s +0%
keccakf1600x4_extract_bytes_native 3s 3s +0%
keccakf1600x4_xor_bytes_native 3s 3s +0%
make_hint 3s 2s +50%
mld_cbmc_target_model 3s - new
mld_ct_abs_i32 3s 2s +50%
mld_ct_cmask_neg_i32 3s 3s +0%
mld_ct_cmask_nonzero_u8 3s 3s +0%
mld_h 3s 3s +0%
mld_prepare_domain_separation_prefix 3s 5s -40%
mld_value_barrier_u8 3s 1s +200%
pack_sig_c 3s 2s +50%
pointwise_native_x86_64 3s 2s +50%
poly_caddq_c 3s 4s -25%
poly_caddq_native_x86_64 3s 2s +50%
poly_chknorm 3s 5s -40%
poly_chknorm_native 3s 3s +0%
poly_decompose_native 3s 4s -25%
poly_ntt_native 3s 5s -40%
poly_shiftl 3s 4s -25%
poly_uniform 3s 3s +0%
poly_uniform_4x 3s 3s +0%
poly_uniform_eta 3s 3s +0%
poly_uniform_gamma1 3s 3s +0%
poly_use_hint 3s 4s -25%
poly_use_hint_c 3s 3s +0%
polyeta_pack 3s 2s +50%
polyt0_pack 3s 5s -40%
polyt1_pack 3s 4s -25%
polyt1_unpack 3s 3s +0%
polyvec_matrix_expand 3s 2s +50%
polyveck_ntt 3s 2s +50%
polyveck_pack_w1 3s 3s +0%
polyvecl_pointwise_acc_montgomery_c 3s 3s +0%
polyvecl_unpack_z 3s 4s -25%
polyw1_pack 3s 2s +50%
polyz_pack 3s 2s +50%
power2round 3s 1s +200%
reduce32 3s 3s +0%
rej_eta_c 3s 3s +0%
rej_uniform_eta_native_aarch64 3s 5s -40%
shake128_absorb 3s 1s +200%
shake128_release 3s 2s +50%
shake128x4_squeezeblocks 3s 2s +50%
shake256_finalize 3s 3s +0%
shake256_release 3s 3s +0%
shake256x4_squeezeblocks 3s 2s +50%
sign_signature_extmu 3s 5s -40%
sign_signature_pre_hash_internal 3s 5s -40%
sk_s2hat_get_poly 3s 2s +50%
unpack_pk_t1 3s 3s +0%
unpack_sk 3s 1s +200%
unpack_sk_s1hat 3s 3s +0%
use_hint 3s 3s +0%
yvec_init 3s 4s -25%
keccak_f1600_x1_native_aarch64_v84a 2s 2s +0%
keccak_f1600_x4_native_aarch64_v84a 2s 4s -50%
keccak_f1600_x4_native_avx2 2s 3s -33%
keccak_finalize 2s 1s +100%
keccak_init 2s 2s +0%
keccak_squeeze 2s 3s -33%
keccakf1600_extract_bytes (big endian) 2s 1s +100%
keccakf1600_permute_native 2s 2s +0%
keccakf1600x4_extract_bytes 2s 3s -33%
keccakf1600x4_permute 2s 1s +100%
mld_ct_cmask_nonzero_u32 2s 4s -50%
mld_ct_get_optblocker_i64 2s 2s +0%
mld_ct_sel_int32 2s 3s -33%
mld_keccakf1600_extract_bytes 2s 4s -50%
mld_keccakf1600x4_xor_bytes_c 2s 3s -33%
mld_sample_s1_s2_serial 2s 4s -50%
mld_value_barrier_u32 2s 2s +0%
nttunpack_native_x86_64 2s 3s -33%
pack_sig_h 2s 3s -33%
pack_sig_z 2s 3s -33%
pack_sk_rho_key_tr_s2 2s 2s +0%
pointwise_native_aarch64 2s 2s +0%
poly_caddq 2s 2s +0%
poly_decompose 2s 4s -50%
poly_invntt_tomont 2s 2s +0%
poly_permute_bitrev_to_custom_optional_native 2s 2s +0%
poly_pointwise_montgomery 2s 3s -33%
poly_sub 2s 3s -33%
poly_uniform_gamma1_4x 2s 3s -33%
poly_use_hint_native_aarch64 2s 3s -33%
polyveck_reduce 2s 4s -50%
polyvecl_pack_eta 2s 3s -33%
polyvecl_pointwise_acc_montgomery_native 2s 3s -33%
polyvecl_uniform_gamma1_serial 2s 5s -60%
polyvecl_unpack_eta 2s 4s -50%
polyw1_pack_32 2s 4s -50%
polyz_unpack_19_native_aarch64 2s 3s -33%
shake128_finalize 2s 1s +100%
shake256_squeeze 2s 2s +0%
shake256x4_absorb_once 2s 1s +100%
sys_check_capability 2s 4s -50%
unpack_sk_s2hat 2s 4s -50%
yvec_get_poly 2s 1s +100%
keccak_f1600_x4_native_aarch64_v8a_v84a_scalar_hybrid 1s 2s -50%
keccakf1600x4_xor_bytes 1s 2s -50%
mld_ct_get_optblocker_u32 1s 2s -50%
mld_ct_get_optblocker_u8 1s 2s -50%
mld_keccakf1600x4_extract_bytes_c 1s 1s +0%
mld_polymat_expand_entry 1s 5s -80%
mld_value_barrier_i64 1s 1s +0%
montgomery_reduce 1s 2s -50%
pack_sk_s1 1s 4s -75%
poly_chknorm_native_x86_64 1s 2s -50%
polyvecl_uniform_gamma1 1s 2s -50%
polyw1_pack_88 1s 2s -50%
polyz_unpack 1s 3s -67%
shake128_squeeze 1s 1s +0%
shake128x4_absorb_once 1s 3s -67%
shake256_absorb 1s 2s -50%
shake256_init 1s 2s -50%

@oqs-bot

oqs-bot commented Jun 26, 2026

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CBMC Results (ML-DSA-65)

⚠️ Attention Required

Proof Status Current Previous Change
**TOTAL** ⚠️ 2825s 2203s +28.2%
mld_ntt_butterfly_block ⚠️ 604s 23s +2526%
rej_eta_native ⚠️ 197s 4s +4825%
Full Results (206 proofs)
Proof Status Current Previous Change
**TOTAL** ⚠️ 2825s 2203s +28.2%
mld_ntt_butterfly_block ⚠️ 604s 23s +2526%
mld_invntt_layer 285s 319s -11%
polyvecl_pointwise_acc_montgomery_c 207s 238s -13%
rej_eta_native ⚠️ 197s 4s +4825%
rej_uniform_native 148s 159s -7%
polyvec_matrix_expand 130s 140s -7%
poly_pointwise_montgomery_c 95s 112s -15%
mld_ct_memcmp 66s 75s -12%
mld_attempt_signature_generation 63s 68s -7%
sign_verify_internal 63s 67s -6%
sign_signature_internal 50s 48s +4%
fqmul 44s 47s -6%
mld_ntt_layer 43s 46s -7%
keccakf1600x4_permute_native 25s 23s +9%
polyvec_matrix_expand_serial 24s 27s -11%
poly_chknorm_c 22s 22s +0%
rej_uniform 20s 22s -9%
mld_check_pct 16s 18s -11%
polyt0_unpack 15s 17s -12%
polyveck_decompose 15s 15s +0%
polyvecl_chknorm 15s 15s +0%
compute_pack_t0_t1 14s 17s -18%
poly_uniform_eta_4x 14s 12s +17%
rej_uniform_c 13s 15s -13%
keccak_absorb_once_x4 10s 9s +11%
poly_uniform_4x 10s 10s +0%
polyveck_chknorm 10s 12s -17%
poly_add 9s 11s -18%
polyveck_ntt 9s 7s +29%
polyz_unpack_c 9s 7s +29%
sign_pk_from_sk 9s 6s +50%
mld_compute_pack_z 8s 8s +0%
poly_invntt_tomont_c 8s 9s -11%
polyveck_invntt_tomont 8s 8s +0%
sign 8s 8s +0%
mld_keccakf1600_permute_c 7s 7s +0%
pointwise_acc_native_x86_64 7s 7s +0%
polyvec_matrix_pointwise_montgomery_yvec 7s 8s -12%
unpack_sk_t0hat 7s 5s +40%
intt_native_aarch64 6s 5s +20%
keccak_absorb 6s 7s -14%
poly_challenge 6s 4s +50%
poly_power2round 6s 5s +20%
poly_sub 6s 3s +100%
polyeta_pack 6s 3s +100%
polyvecl_ntt 6s 7s -14%
sign_open 6s 5s +20%
pointwise_acc_native_aarch64 5s 6s -17%
poly_caddq 5s 2s +150%
poly_caddq_c 5s 5s +0%
poly_decompose_32_native_aarch64 5s 4s +25%
poly_shiftl 5s 4s +25%
poly_uniform_gamma1_4x 5s 4s +25%
polyveck_caddq 5s 7s -29%
polyvecl_pointwise_acc_montgomery_native 5s 3s +67%
shake128x4_squeezeblocks 5s 3s +67%
sign_keypair 5s 4s +25%
sign_signature 5s 5s +0%
sign_signature_extmu 5s 5s +0%
unpack_pk_t1 5s 2s +150%
intt_native_x86_64 4s 3s +33%
keccak_f1600_x1_native_aarch64_v84a 4s 3s +33%
keccak_squeezeblocks_x4 4s 5s -20%
keccakf1600x4_extract_bytes 4s 2s +100%
keccakf1600x4_xor_bytes_native 4s 1s +300%
mld_ct_get_optblocker_u8 4s 1s +300%
mld_h 4s 5s -20%
mld_keccakf1600_extract_bytes 4s 2s +100%
mld_prepare_domain_separation_prefix 4s 3s +33%
pack_sk_s1 4s 2s +100%
poly_chknorm 4s 4s +0%
poly_chknorm_native_aarch64 4s 3s +33%
poly_decompose_native 4s 1s +300%
poly_invntt_tomont 4s 1s +300%
poly_ntt_c 4s 3s +33%
poly_reduce 4s 2s +100%
poly_use_hint_native_aarch64 4s 3s +33%
polyeta_unpack 4s 3s +33%
polyvecl_uniform_gamma1_serial 4s 3s +33%
polyz_unpack_17_native_aarch64 4s 2s +100%
polyz_unpack_native 4s 5s -20%
rej_uniform_eta_native_aarch64 4s 5s -20%
shake128_finalize 4s 4s +0%
shake256_init 4s 2s +100%
sign_keypair_internal 4s 4s +0%
sign_signature_pre_hash_internal 4s 5s -20%
sk_s2hat_get_poly 4s 4s +0%
unpack_sk 4s 3s +33%
use_hint 4s 2s +100%
yvec_get_poly 4s 2s +100%
caddq 3s 4s -25%
decompose 3s 2s +50%
keccakf1600_permute 3s 2s +50%
keccakf1600_permute_native 3s 1s +200%
keccakf1600_xor_bytes 3s 4s -25%
make_hint 3s 4s -25%
mld_ct_cmask_nonzero_u32 3s 2s +50%
mld_polymat_expand_entry 3s 3s +0%
mld_sample_s1_s2 3s 6s -50%
mld_sample_s1_s2_serial 3s 8s -62%
montgomery_reduce 3s 3s +0%
pack_sig_c 3s 2s +50%
pack_sk_rho_key_tr_s2 3s 4s -25%
pointwise_native_aarch64 3s 3s +0%
poly_caddq_native 3s 2s +50%
poly_caddq_native_aarch64 3s 3s +0%
poly_caddq_native_x86_64 3s 3s +0%
poly_chknorm_native 3s 6s -50%
poly_decompose_88_native_aarch64 3s 4s -25%
poly_decompose_c 3s 3s +0%
poly_ntt_native 3s 1s +200%
poly_pointwise_montgomery 3s 3s +0%
poly_pointwise_montgomery_native 3s 3s +0%
poly_uniform 3s 4s -25%
poly_uniform_eta 3s 5s -40%
poly_uniform_gamma1 3s 4s -25%
poly_use_hint_c 3s 4s -25%
poly_use_hint_native 3s 3s +0%
polyt0_pack 3s 4s -25%
polyvec_matrix_pointwise_montgomery_row 3s 2s +50%
polyveck_pack_w1 3s 2s +50%
polyvecl_pack_eta 3s 2s +50%
polyvecl_pointwise_acc_montgomery 3s 4s -25%
polyvecl_uniform_gamma1 3s 6s -50%
polyvecl_unpack_eta 3s 5s -40%
polyvecl_unpack_z 3s 3s +0%
polyw1_pack 3s 4s -25%
polyw1_pack_32 3s 7s -57%
polyz_unpack 3s 4s -25%
polyz_unpack_19_native_aarch64 3s 2s +50%
polyz_unpack_native_x86_64 3s 3s +0%
rej_eta_c 3s 4s -25%
rej_uniform_native_aarch64 3s 2s +50%
shake128_absorb 3s 3s +0%
shake128_squeeze 3s 2s +50%
shake128x4_absorb_once 3s 2s +50%
shake256_absorb 3s 2s +50%
shake256_squeeze 3s 3s +0%
sig_unpack_hints 3s 2s +50%
sign_signature_pre_hash_shake256 3s 4s -25%
sign_verify 3s 5s -40%
sign_verify_extmu 3s 4s -25%
sign_verify_pre_hash_internal 3s 4s -25%
sys_check_capability 3s 4s -25%
unpack_sk_s1hat 3s 3s +0%
unpack_sk_s2hat 3s 1s +200%
fqscale 2s 2s +0%
keccak_f1600_x4_native_aarch64_v84a 2s 2s +0%
keccak_f1600_x4_native_aarch64_v8a_scalar_hybrid 2s 5s -60%
keccak_f1600_x4_native_aarch64_v8a_v84a_scalar_hybrid 2s 2s +0%
keccak_f1600_x4_native_avx2 2s 2s +0%
keccak_finalize 2s 2s +0%
keccak_squeeze 2s 2s +0%
keccakf1600_extract_bytes (big endian) 2s 2s +0%
keccakf1600_xor_bytes (big endian) 2s 2s +0%
keccakf1600x4_extract_bytes_native 2s 1s +100%
keccakf1600x4_permute 2s 1s +100%
mld_cbmc_target_model 2s - new
mld_ct_abs_i32 2s 2s +0%
mld_ct_cmask_neg_i32 2s 1s +100%
mld_ct_cmask_nonzero_u8 2s 2s +0%
mld_ct_sel_int32 2s 2s +0%
mld_keccakf1600x4_extract_bytes_c 2s 2s +0%
mld_value_barrier_i64 2s 5s -60%
mld_value_barrier_u32 2s 2s +0%
mld_value_barrier_u8 2s 3s -33%
ntt_native_aarch64 2s 3s -33%
ntt_native_x86_64 2s 4s -50%
nttunpack_native_x86_64 2s 2s +0%
pack_sig_h 2s 4s -50%
pack_sig_z 2s 4s -50%
pointwise_native_x86_64 2s 5s -60%
poly_chknorm_native_x86_64 2s 2s +0%
poly_decompose 2s 2s +0%
poly_invntt_tomont_native 2s 4s -50%
poly_ntt 2s 3s -33%
poly_permute_bitrev_to_custom_optional_native 2s 4s -50%
poly_use_hint 2s 2s +0%
polyt1_unpack 2s 3s -33%
polyveck_pack_eta 2s 2s +0%
polyveck_reduce 2s 4s -50%
polyveck_unpack_eta 2s 3s -33%
polyw1_pack_88 2s 2s +0%
power2round 2s 2s +0%
reduce32 2s 3s -33%
rej_eta 2s 6s -67%
shake128_init 2s 3s -33%
shake128_release 2s 3s -33%
shake256 2s 2s +0%
shake256_release 2s 2s +0%
shake256x4_absorb_once 2s 2s +0%
shake256x4_squeezeblocks 2s 2s +0%
sign_verify_pre_hash_shake256 2s 2s +0%
sk_s1hat_get_poly 2s 3s -33%
sk_t0hat_get_poly 2s 3s -33%
yvec_init 2s 5s -60%
keccak_f1600_x1_native_aarch64 1s 4s -75%
keccak_init 1s 2s -50%
keccakf1600x4_xor_bytes 1s 3s -67%
mld_ct_get_optblocker_i64 1s 3s -67%
mld_ct_get_optblocker_u32 1s 2s -50%
mld_keccakf1600x4_xor_bytes_c 1s 4s -75%
poly_permute_bitrev_to_custom_optional 1s 3s -67%
polyt1_pack 1s 3s -67%
polyz_pack 1s 2s -50%
shake256_finalize 1s 3s -67%

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oqs-bot commented Jun 26, 2026

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CBMC Results (ML-DSA-44)

⚠️ Attention Required

Proof Status Current Previous Change
**TOTAL** ⚠️ 2661s 1841s +44.5%
mld_ntt_butterfly_block ⚠️ 748s 24s +3017%
rej_eta_native ⚠️ 99s 4s +2375%
Full Results (206 proofs)
Proof Status Current Previous Change
**TOTAL** ⚠️ 2661s 1841s +44.5%
mld_ntt_butterfly_block ⚠️ 748s 24s +3017%
mld_invntt_layer 308s 302s +2%
rej_uniform_native 154s 152s +1%
polyvecl_pointwise_acc_montgomery_c 127s 130s -2%
poly_pointwise_montgomery_c 106s 105s +1%
rej_eta_native ⚠️ 99s 4s +2375%
mld_ct_memcmp 69s 72s -4%
mld_attempt_signature_generation 64s 64s +0%
fqmul 46s 42s +10%
mld_ntt_layer 45s 43s +5%
sign_verify_internal 27s 27s +0%
polyvec_matrix_expand 26s 27s -4%
rej_uniform 24s 21s +14%
keccakf1600x4_permute_native 21s 25s -16%
poly_chknorm_c 18s 22s -18%
sign_signature_internal 17s 21s -19%
compute_pack_t0_t1 16s 16s +0%
polyt0_unpack 16s 17s -6%
mld_check_pct 15s 14s +7%
poly_uniform_eta_4x 15s 11s +36%
polyeta_unpack 15s 18s -17%
polyz_unpack_c 14s 10s +40%
rej_uniform_c 14s 12s +17%
poly_uniform_4x 12s 10s +20%
poly_add 11s 9s +22%
polyvec_matrix_expand_serial 10s 9s +11%
polyvec_matrix_pointwise_montgomery_yvec 10s 9s +11%
polyveck_chknorm 10s 12s -17%
keccak_absorb_once_x4 9s 10s -10%
keccak_absorb 8s 7s +14%
poly_invntt_tomont_c 8s 10s -20%
polyveck_decompose 8s 8s +0%
sign_pk_from_sk 8s 7s +14%
mld_compute_pack_z 7s 9s -22%
ntt_native_x86_64 7s 4s +75%
pointwise_acc_native_x86_64 7s 7s +0%
polyvecl_ntt 7s 5s +40%
sign 7s 8s -12%
mld_keccakf1600_permute_c 6s 7s -14%
poly_challenge 6s 4s +50%
poly_use_hint_c 6s 8s -25%
polyveck_ntt 6s 4s +50%
sign_signature_pre_hash_internal 6s 3s +100%
keccak_squeezeblocks_x4 5s 4s +25%
make_hint 5s 5s +0%
mld_h 5s 4s +25%
pack_sig_h 5s 6s -17%
pointwise_native_aarch64 5s 5s +0%
poly_decompose 5s 3s +67%
poly_uniform_gamma1_4x 5s 6s -17%
poly_use_hint_native 5s 2s +150%
polyveck_invntt_tomont 5s 4s +25%
sign_signature_extmu 5s 4s +25%
unpack_pk_t1 5s 3s +67%
caddq 4s 2s +100%
keccak_f1600_x4_native_aarch64_v8a_scalar_hybrid 4s 3s +33%
keccak_f1600_x4_native_avx2 4s 3s +33%
keccak_finalize 4s 3s +33%
keccakf1600_permute 4s 2s +100%
keccakf1600x4_extract_bytes 4s 2s +100%
mld_ct_cmask_nonzero_u8 4s 2s +100%
mld_polymat_expand_entry 4s 2s +100%
mld_sample_s1_s2 4s 3s +33%
nttunpack_native_x86_64 4s 5s -20%
pack_sig_c 4s 2s +100%
pointwise_acc_native_aarch64 4s 5s -20%
pointwise_native_x86_64 4s 3s +33%
poly_caddq_c 4s 5s -20%
poly_caddq_native 4s 5s -20%
poly_chknorm_native_aarch64 4s 3s +33%
poly_decompose_c 4s 3s +33%
poly_ntt_c 4s 5s -20%
poly_ntt_native 4s 3s +33%
poly_power2round 4s 5s -20%
poly_sub 4s 3s +33%
polyt0_pack 4s 4s +0%
polyt1_pack 4s 4s +0%
polyveck_caddq 4s 4s +0%
polyveck_unpack_eta 4s 4s +0%
polyvecl_pointwise_acc_montgomery 4s 3s +33%
polyvecl_uniform_gamma1 4s 3s +33%
polyvecl_unpack_eta 4s 2s +100%
polyw1_pack_32 4s 3s +33%
polyz_unpack 4s 3s +33%
polyz_unpack_17_native_aarch64 4s 3s +33%
rej_uniform_eta_native_aarch64 4s 3s +33%
shake128_absorb 4s 1s +300%
shake128_finalize 4s 3s +33%
shake128x4_squeezeblocks 4s 2s +100%
shake256_init 4s 3s +33%
shake256x4_absorb_once 4s 1s +300%
sign_keypair 4s 4s +0%
sign_keypair_internal 4s 2s +100%
sign_signature 4s 3s +33%
sign_signature_pre_hash_shake256 4s 4s +0%
sign_verify_extmu 4s 3s +33%
sign_verify_pre_hash_internal 4s 4s +0%
sk_s1hat_get_poly 4s 2s +100%
sk_t0hat_get_poly 4s 5s -20%
unpack_sk_s2hat 4s 3s +33%
fqscale 3s 3s +0%
intt_native_aarch64 3s 6s -50%
intt_native_x86_64 3s 4s -25%
keccak_f1600_x1_native_aarch64 3s 3s +0%
keccak_f1600_x4_native_aarch64_v84a 3s 1s +200%
keccakf1600_extract_bytes (big endian) 3s 4s -25%
keccakf1600_permute_native 3s 2s +50%
keccakf1600x4_permute 3s 4s -25%
mld_ct_cmask_neg_i32 3s 2s +50%
mld_ct_get_optblocker_u8 3s 3s +0%
mld_ct_sel_int32 3s 3s +0%
mld_keccakf1600_extract_bytes 3s 3s +0%
mld_keccakf1600x4_extract_bytes_c 3s 2s +50%
mld_prepare_domain_separation_prefix 3s 3s +0%
mld_sample_s1_s2_serial 3s 4s -25%
montgomery_reduce 3s 3s +0%
pack_sig_z 3s 2s +50%
pack_sk_rho_key_tr_s2 3s 4s -25%
poly_caddq 3s 3s +0%
poly_caddq_native_aarch64 3s 5s -40%
poly_caddq_native_x86_64 3s 4s -25%
poly_chknorm 3s 4s -25%
poly_chknorm_native_x86_64 3s 4s -25%
poly_decompose_native 3s 3s +0%
poly_invntt_tomont 3s 4s -25%
poly_invntt_tomont_native 3s 4s -25%
poly_ntt 3s 2s +50%
poly_pointwise_montgomery_native 3s 4s -25%
poly_reduce 3s 5s -40%
poly_uniform 3s 3s +0%
poly_uniform_eta 3s 7s -57%
polyt1_unpack 3s 3s +0%
polyveck_pack_eta 3s 3s +0%
polyveck_pack_w1 3s 2s +50%
polyvecl_pack_eta 3s 4s -25%
polyvecl_pointwise_acc_montgomery_native 3s 6s -50%
polyvecl_uniform_gamma1_serial 3s 2s +50%
polyw1_pack 3s 3s +0%
polyz_pack 3s 2s +50%
polyz_unpack_19_native_aarch64 3s 3s +0%
polyz_unpack_native 3s 5s -40%
power2round 3s 1s +200%
reduce32 3s 3s +0%
rej_eta 3s 2s +50%
rej_uniform_native_aarch64 3s 3s +0%
shake256 3s 2s +50%
shake256_absorb 3s 2s +50%
shake256x4_squeezeblocks 3s 2s +50%
sign_open 3s 6s -50%
sign_verify 3s 4s -25%
sign_verify_pre_hash_shake256 3s 4s -25%
sk_s2hat_get_poly 3s 4s -25%
sys_check_capability 3s 2s +50%
unpack_sk_s1hat 3s 3s +0%
unpack_sk_t0hat 3s 3s +0%
use_hint 3s 2s +50%
yvec_init 3s 3s +0%
decompose 2s 2s +0%
keccak_f1600_x1_native_aarch64_v84a 2s 4s -50%
keccak_f1600_x4_native_aarch64_v8a_v84a_scalar_hybrid 2s 4s -50%
keccak_init 2s 3s -33%
keccak_squeeze 2s 5s -60%
keccakf1600x4_extract_bytes_native 2s 3s -33%
keccakf1600x4_xor_bytes 2s 1s +100%
mld_ct_abs_i32 2s 1s +100%
mld_ct_cmask_nonzero_u32 2s 5s -60%
mld_ct_get_optblocker_i64 2s 2s +0%
mld_keccakf1600x4_xor_bytes_c 2s 1s +100%
mld_value_barrier_i64 2s 3s -33%
mld_value_barrier_u32 2s 3s -33%
ntt_native_aarch64 2s 5s -60%
pack_sk_s1 2s 3s -33%
poly_chknorm_native 2s 3s -33%
poly_decompose_32_native_aarch64 2s 5s -60%
poly_decompose_88_native_aarch64 2s 3s -33%
poly_permute_bitrev_to_custom_optional 2s 2s +0%
poly_permute_bitrev_to_custom_optional_native 2s 2s +0%
poly_shiftl 2s 2s +0%
poly_uniform_gamma1 2s 2s +0%
poly_use_hint 2s 3s -33%
poly_use_hint_native_aarch64 2s 5s -60%
polyeta_pack 2s 3s -33%
polyvec_matrix_pointwise_montgomery_row 2s 2s +0%
polyvecl_chknorm 2s 3s -33%
polyw1_pack_88 2s 8s -75%
polyz_unpack_native_x86_64 2s 2s +0%
rej_eta_c 2s 5s -60%
shake128_init 2s 1s +100%
shake128_squeeze 2s 1s +100%
shake128x4_absorb_once 2s 3s -33%
shake256_finalize 2s 4s -50%
shake256_release 2s 1s +100%
shake256_squeeze 2s 1s +100%
sig_unpack_hints 2s 2s +0%
unpack_sk 2s 3s -33%
yvec_get_poly 2s 3s -33%
keccakf1600_xor_bytes 1s 4s -75%
keccakf1600_xor_bytes (big endian) 1s 2s -50%
keccakf1600x4_xor_bytes_native 1s 2s -50%
mld_cbmc_target_model 1s - new
mld_ct_get_optblocker_u32 1s 1s +0%
mld_value_barrier_u8 1s 1s +0%
poly_pointwise_montgomery 1s 2s -50%
polyveck_reduce 1s 2s -50%
polyvecl_unpack_z 1s 3s -67%
shake128_release 1s 3s -67%

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oqs-bot commented Jun 26, 2026

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CBMC Results (ML-DSA-87)

⚠️ Attention Required

Proof Status Current Previous Change
**TOTAL** ⚠️ 3369s 2584s +30.4%
mld_ntt_butterfly_block ⚠️ 788s 22s +3482%
rej_eta_native ⚠️ 102s 5s +1940%
Full Results (206 proofs)
Proof Status Current Previous Change
**TOTAL** ⚠️ 3369s 2584s +30.4%
mld_ntt_butterfly_block ⚠️ 788s 22s +3482%
polyvecl_pointwise_acc_montgomery_c 350s 367s -5%
mld_invntt_layer 318s 321s -1%
polyvec_matrix_expand 236s 244s -3%
rej_uniform_native 152s 160s -5%
mld_attempt_signature_generation 106s 107s -1%
poly_pointwise_montgomery_c 105s 112s -6%
rej_eta_native ⚠️ 102s 5s +1940%
mld_ct_memcmp 73s 73s +0%
sign_signature_internal 66s 66s +0%
sign_verify_internal 62s 64s -3%
polyvec_matrix_expand_serial 48s 50s -4%
mld_ntt_layer 47s 45s +4%
fqmul 43s 45s -4%
compute_pack_t0_t1 32s 32s +0%
polyvec_matrix_pointwise_montgomery_yvec 31s 32s -3%
keccakf1600x4_permute_native 25s 22s +14%
rej_uniform 23s 23s +0%
poly_chknorm_c 20s 19s +5%
polyt0_unpack 18s 17s +6%
polyeta_unpack 16s 17s -6%
mld_check_pct 15s 16s -6%
rej_uniform_c 15s 15s +0%
poly_uniform_4x 13s 13s +0%
poly_uniform_eta_4x 12s 13s -8%
keccak_absorb_once_x4 10s 12s -17%
polyveck_invntt_tomont 10s 10s +0%
poly_add 9s 13s -31%
polyveck_decompose 9s 9s +0%
sign 9s 6s +50%
mld_compute_pack_z 8s 8s +0%
poly_invntt_tomont_c 8s 9s -11%
polyveck_ntt 8s 7s +14%
polyvecl_ntt 8s 9s -11%
mld_keccakf1600_permute_c 7s 7s +0%
mld_sample_s1_s2_serial 7s 7s +0%
pointwise_acc_native_aarch64 7s 8s -12%
pointwise_acc_native_x86_64 7s 8s -12%
pointwise_native_aarch64 7s 3s +133%
polyveck_caddq 7s 6s +17%
unpack_sk_t0hat 7s 8s -12%
keccak_absorb 6s 6s +0%
mld_sample_s1_s2 6s 6s +0%
poly_decompose_c 6s 7s -14%
poly_shiftl 6s 3s +100%
polyz_unpack_19_native_aarch64 6s 4s +50%
polyz_unpack_c 6s 5s +20%
sign_keypair_internal 6s 8s -25%
sign_pk_from_sk 6s 7s -14%
sign_signature 6s 3s +100%
caddq 5s 3s +67%
keccak_squeezeblocks_x4 5s 4s +25%
pack_sig_z 5s 1s +400%
pack_sk_rho_key_tr_s2 5s 5s +0%
poly_caddq_c 5s 6s -17%
poly_challenge 5s 6s -17%
poly_invntt_tomont 5s 2s +150%
poly_invntt_tomont_native 5s 5s +0%
poly_power2round 5s 6s -17%
poly_uniform_gamma1_4x 5s 3s +67%
polyvecl_uniform_gamma1 5s 4s +25%
polyvecl_uniform_gamma1_serial 5s 2s +150%
rej_uniform_eta_native_aarch64 5s 5s +0%
shake128_release 5s 3s +67%
shake256_absorb 5s 3s +67%
sign_verify_pre_hash_internal 5s 6s -17%
intt_native_aarch64 4s 3s +33%
intt_native_x86_64 4s 5s -20%
keccakf1600x4_xor_bytes_native 4s 3s +33%
mld_h 4s 4s +0%
mld_prepare_domain_separation_prefix 4s 5s -20%
pack_sig_c 4s 2s +100%
poly_caddq 4s 3s +33%
poly_caddq_native_aarch64 4s 4s +0%
poly_caddq_native_x86_64 4s 3s +33%
poly_chknorm 4s 3s +33%
poly_chknorm_native 4s 4s +0%
poly_ntt 4s 6s -33%
poly_permute_bitrev_to_custom_optional_native 4s 4s +0%
poly_reduce 4s 1s +300%
poly_uniform_eta 4s 5s -20%
poly_use_hint_c 4s 2s +100%
polyt1_pack 4s 2s +100%
polyveck_chknorm 4s 4s +0%
polyveck_unpack_eta 4s 3s +33%
polyvecl_chknorm 4s 5s -20%
polyw1_pack_32 4s 3s +33%
polyw1_pack_88 4s 3s +33%
polyz_pack 4s 1s +300%
polyz_unpack_native_x86_64 4s 5s -20%
reduce32 4s 3s +33%
rej_eta_c 4s 3s +33%
sig_unpack_hints 4s 6s -33%
sign_signature_pre_hash_internal 4s 4s +0%
sign_signature_pre_hash_shake256 4s 4s +0%
sign_verify 4s 5s -20%
sign_verify_pre_hash_shake256 4s 3s +33%
sk_s1hat_get_poly 4s 2s +100%
unpack_sk 4s 4s +0%
use_hint 4s 3s +33%
yvec_init 4s 3s +33%
decompose 3s 2s +50%
fqscale 3s 5s -40%
keccak_f1600_x1_native_aarch64_v84a 3s 4s -25%
keccak_f1600_x4_native_aarch64_v8a_v84a_scalar_hybrid 3s 1s +200%
keccakf1600_extract_bytes (big endian) 3s 1s +200%
keccakf1600_permute_native 3s 2s +50%
keccakf1600_xor_bytes (big endian) 3s 2s +50%
keccakf1600x4_extract_bytes 3s 2s +50%
keccakf1600x4_permute 3s 3s +0%
keccakf1600x4_xor_bytes 3s 4s -25%
mld_polymat_expand_entry 3s 4s -25%
mld_value_barrier_u32 3s 4s -25%
mld_value_barrier_u8 3s 2s +50%
montgomery_reduce 3s 4s -25%
ntt_native_aarch64 3s 2s +50%
ntt_native_x86_64 3s 2s +50%
nttunpack_native_x86_64 3s 3s +0%
pack_sk_s1 3s 3s +0%
pointwise_native_x86_64 3s 3s +0%
poly_chknorm_native_aarch64 3s 7s -57%
poly_chknorm_native_x86_64 3s 4s -25%
poly_decompose 3s 4s -25%
poly_decompose_88_native_aarch64 3s 2s +50%
poly_ntt_c 3s 3s +0%
poly_pointwise_montgomery 3s 5s -40%
poly_pointwise_montgomery_native 3s 4s -25%
poly_sub 3s 3s +0%
poly_uniform_gamma1 3s 3s +0%
poly_use_hint 3s 2s +50%
poly_use_hint_native 3s 4s -25%
poly_use_hint_native_aarch64 3s 3s +0%
polyt0_pack 3s 5s -40%
polyvec_matrix_pointwise_montgomery_row 3s 4s -25%
polyveck_reduce 3s 6s -50%
polyvecl_pointwise_acc_montgomery 3s 4s -25%
polyvecl_unpack_eta 3s 4s -25%
polyvecl_unpack_z 3s 4s -25%
polyz_unpack_17_native_aarch64 3s 4s -25%
power2round 3s 4s -25%
shake128_init 3s 2s +50%
shake256_squeeze 3s 2s +50%
sign_keypair 3s 4s -25%
sign_open 3s 3s +0%
sign_signature_extmu 3s 5s -40%
sk_s2hat_get_poly 3s 3s +0%
sys_check_capability 3s 3s +0%
unpack_sk_s1hat 3s 3s +0%
unpack_sk_s2hat 3s 5s -40%
keccak_f1600_x1_native_aarch64 2s 2s +0%
keccak_f1600_x4_native_aarch64_v84a 2s 1s +100%
keccak_f1600_x4_native_aarch64_v8a_scalar_hybrid 2s 4s -50%
keccak_f1600_x4_native_avx2 2s 4s -50%
keccak_finalize 2s 2s +0%
keccak_init 2s 3s -33%
keccakf1600_permute 2s 3s -33%
keccakf1600_xor_bytes 2s 2s +0%
keccakf1600x4_extract_bytes_native 2s 3s -33%
make_hint 2s 4s -50%
mld_ct_abs_i32 2s 2s +0%
mld_ct_cmask_neg_i32 2s 4s -50%
mld_ct_cmask_nonzero_u32 2s 3s -33%
mld_ct_cmask_nonzero_u8 2s 4s -50%
mld_ct_get_optblocker_i64 2s 4s -50%
mld_ct_get_optblocker_u32 2s 3s -33%
mld_ct_get_optblocker_u8 2s 1s +100%
mld_ct_sel_int32 2s 2s +0%
mld_keccakf1600x4_extract_bytes_c 2s 2s +0%
mld_keccakf1600x4_xor_bytes_c 2s 1s +100%
pack_sig_h 2s 3s -33%
poly_caddq_native 2s 2s +0%
poly_decompose_32_native_aarch64 2s 2s +0%
poly_decompose_native 2s 3s -33%
poly_ntt_native 2s 4s -50%
poly_permute_bitrev_to_custom_optional 2s 2s +0%
poly_uniform 2s 3s -33%
polyeta_pack 2s 2s +0%
polyt1_unpack 2s 2s +0%
polyveck_pack_eta 2s 4s -50%
polyveck_pack_w1 2s 5s -60%
polyvecl_pack_eta 2s 4s -50%
polyvecl_pointwise_acc_montgomery_native 2s 2s +0%
polyw1_pack 2s 3s -33%
polyz_unpack 2s 3s -33%
polyz_unpack_native 2s 4s -50%
rej_eta 2s 5s -60%
rej_uniform_native_aarch64 2s 3s -33%
shake128_absorb 2s 1s +100%
shake128_finalize 2s 2s +0%
shake128_squeeze 2s 4s -50%
shake128x4_absorb_once 2s 4s -50%
shake128x4_squeezeblocks 2s 1s +100%
shake256 2s 2s +0%
shake256_init 2s 4s -50%
shake256x4_absorb_once 2s 2s +0%
shake256x4_squeezeblocks 2s 2s +0%
sign_verify_extmu 2s 3s -33%
sk_t0hat_get_poly 2s 2s +0%
unpack_pk_t1 2s 3s -33%
keccak_squeeze 1s 2s -50%
mld_cbmc_target_model 1s - new
mld_keccakf1600_extract_bytes 1s 3s -67%
mld_value_barrier_i64 1s 2s -50%
shake256_finalize 1s 2s -50%
shake256_release 1s 6s -83%
yvec_get_poly 1s 1s +0%

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