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https://github.com/FreeRTOS/FreeRTOS.git
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cb7edd2323
* AFR sync * AFR sync: CBMC * AFR sync: CBMC: remove .bak files * AFR sync: CBMC: more cleanup * Corrected CBMC proofs * Corrected CBMC patches * Corrected CBMC patches-1 * Corrected CBMC patches-2 * remove .bak files (3) Co-authored-by: Yuhui Zheng <10982575+yuhui-zheng@users.noreply.github.com>
49 lines
1.6 KiB
JSON
49 lines
1.6 KiB
JSON
# The proof depends on one parameter:
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# BUFFER_SIZE is the size of the buffer being parsed
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# The buffer size must be bounded because we must bound the number of
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# iterations loops iterating over the buffer.
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{
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"ENTRY": "ProcessDHCPReplies",
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################################################################
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# Buffer header: sizeof(DHCPMessage_t) = 241
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# Buffer header: sizeof(DHCPMessage_IPv4_t) = 240
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"BUFFER_HEADER": 240,
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################################################################
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# Buffer size
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# Reasonable sizes are BUFFER_SIZE > BUFFER_HEADER
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# Sizes smaller than this causes CBMC to fail in simplify_byte_extract
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"BUFFER_SIZE": 252,
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################################################################
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# Buffer payload
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"BUFFER_PAYLOAD": "__eval 1 if {BUFFER_SIZE} <= {BUFFER_HEADER} else {BUFFER_SIZE} - {BUFFER_HEADER} + 1",
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################################################################
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"CBMCFLAGS": [
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# "--nondet-static",
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"--unwind 1",
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"--unwindset memcmp.0:7,prvProcessDHCPReplies.0:{BUFFER_PAYLOAD}"
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],
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"OBJS":
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[
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"$(ENTRY)_harness.goto",
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"$(FREERTOS)/../FreeRTOS-Plus/Test/CBMC/stubs/cbmc.goto",
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"$(FREERTOS)/../FreeRTOS-Plus/Test/CBMC/stubs/freertos_api.goto",
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"$(FREERTOS)/../FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/FreeRTOS_DHCP.goto",
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"$(FREERTOS)/../FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/portable/BufferManagement/BufferAllocation_2.goto",
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"$(FREERTOS)/Source/event_groups.goto",
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"$(FREERTOS)/Source/list.goto"
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],
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"DEF":
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[
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"CBMC_DHCPMESSAGE_HEADER_SIZE={BUFFER_HEADER}",
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"CBMC_FREERTOS_RECVFROM_BUFFER_BOUND={BUFFER_SIZE}"
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]
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}
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