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{
"ENTRY": "ReadNameField",
################################################################
#Enable DNS callbacks or else ReadNameField is not defined
"callbacks": "1",
################################################################
# This is the network buffer size. Set to any positive value.
"NETWORK_BUFFER_SIZE" : "10",
################################################################
# This is the size of the buffer into which the name is copied.
# Set to any positive value.
# In the source, NAME_SIZE=254 and NETWORK_BUFFER_SIZE >> NAME_SIZE
# In the proof, NAME_SIZE >= 4 required for good coverage.
"NAME_SIZE": "6",
################################################################
# Loop prvReadNameField.0:
# should be min of buffer size and name size
# but loop must be unwound at least once, so max of this and 1+1
"READLOOP0": "prvReadNameField.0",
"READLOOP0_UNWIND": "__eval max(2, min({NETWORK_BUFFER_SIZE}, {NAME_SIZE}+1))",
################################################################
# Loop prvReadNameField.1:
# should be min of buffer size and name size
# but loop must be unwound at least twice, so max of this and 2+1
"READLOOP1": "prvReadNameField.1",
"READLOOP1_UNWIND": "__eval max(3, min({NETWORK_BUFFER_SIZE}, {NAME_SIZE}))",
################################################################
"CBMCFLAGS":
[
"--unwind 1",
"--unwindset {READLOOP0}:{READLOOP0_UNWIND},{READLOOP1}:{READLOOP1_UNWIND}"
],
"OBJS":
[
"$(ENTRY)_harness.goto",
"$(FREERTOS)/../FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/FreeRTOS_DNS.goto"
],
"DEF":
[
"NETWORK_BUFFER_SIZE={NETWORK_BUFFER_SIZE}",
"NAME_SIZE={NAME_SIZE}",
"ipconfigDNS_USE_CALLBACKS={callbacks}",
"ipconfigDNS_CACHE_NAME_LENGTH=254"
]
}
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