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Verified macro taskCHECK_FOR_STACK_OVERFLOW.

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This commit is contained in:
Tobias Reinhard 2022-11-17 09:20:21 -05:00
parent 2f0b8bc82f
commit d3bda01f16
5 changed files with 81 additions and 8 deletions
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2
verification/verifast/proof/stack_predicates.h
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@ -28,7 +28,7 @@ predicate stack_p_2(StackType_t * pxStack,
// `taskCHECK_FOR_STACK_OVERFLOW` macro on RP2040 port expects minimal stack size
ulFreeBytes >= 0 &*&
ulUsedCells >= 0 &*&
ulFreeBytes + ulUsedCells * sizeof(StackType_t) >= 3 * sizeof(StackType_t);
ulFreeBytes + ulUsedCells * sizeof(StackType_t) >= 4 * sizeof(StackType_t);
predicate unalignedRestOfStack_p(char* p, uint32_t ulUnalignedBytes) =
chars(p, ulUnalignedBytes, _);

2
verification/verifast/start-vfide--preprocessed.sh
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@ -13,7 +13,7 @@ PP_SCRIPT_DIR="$START_WD/custom_build_scripts_RP2040"
PP_SCRIPT="./preprocess_tasks_c.sh"
PP_TASK_C="$START_WD/preprocessed_files/tasks__pp.c"
FONT_SIZE=16
FONT_SIZE=17
# Flags to SKIP expensive proofs:
# - VERIFAST_SKIP_BITVECTOR_PROOF__STACK_ALIGNMENT