{ "ENTRY": "DNSgetHostByName", ################################################################ # This configuration sets callback to 0. # It also sets MAX_HOSTNAME_LEN to 10 to bound strcmp. # According to the specification MAX_HOST_NAME is upto 255. "callback": 0, "MAX_HOSTNAME_LEN": 10, "ENDPOINT_DNS_ADDRESS_COUNT": 5, "HOSTNAME_UNWIND": "__eval {MAX_HOSTNAME_LEN} + 1", "ENDPOINT_DNS_ADDRESS_COUNT_UNWIND": "__eval {ENDPOINT_DNS_ADDRESS_COUNT} + 1", "CBMCFLAGS": [ "--unwind 1", "--unwindset strchr.0:{HOSTNAME_UNWIND}", "--unwindset __CPROVER_file_local_FreeRTOS_DNS_c_prvIncreaseDNS4Index.0:{ENDPOINT_DNS_ADDRESS_COUNT_UNWIND}", "--unwindset __CPROVER_file_local_FreeRTOS_DNS_c_prvIncreaseDNS6Index.0:{ENDPOINT_DNS_ADDRESS_COUNT_UNWIND}", "--unwindset __CPROVER_file_local_FreeRTOS_DNS_c_prvFillSockAddress.0:2,__CPROVER_file_local_FreeRTOS_DNS_c_prvFillSockAddress.1:2", "--unwindset __CPROVER_file_local_FreeRTOS_DNS_c_prvCreateDNSMessage.0:{HOSTNAME_UNWIND},__CPROVER_file_local_FreeRTOS_DNS_c_prvCreateDNSMessage.1:{HOSTNAME_UNWIND},strlen.0:{HOSTNAME_UNWIND},__builtin___strcpy_chk.0:{HOSTNAME_UNWIND},strcmp.0:{HOSTNAME_UNWIND},strcpy.0:{HOSTNAME_UNWIND}", "--unwindset __CPROVER_file_local_FreeRTOS_DNS_c_prvGetHostByNameOp_WithRetry.0:{HOSTNAME_UNWIND}", "--nondet-static" ], "OPT": [ "--export-file-local-symbols" ], "OBJS": [ "$(ENTRY)_harness.goto", "$(FREERTOS_PLUS_TCP)/test/cbmc/stubs/cbmc.goto", "$(FREERTOS_PLUS_TCP)/source/FreeRTOS_Routing.goto", "$(FREERTOS_PLUS_TCP)/source/FreeRTOS_DNS.goto", "$(FREERTOS_PLUS_TCP)/source/FreeRTOS_Routing.goto", "$(FREERTOS_PLUS_TCP)/source/FreeRTOS_DNS_Parser.goto" ], "DEF": [ "ipconfigUSE_IPv6=1", "ipconfigDNS_USE_CALLBACKS={callback}", "MAX_HOSTNAME_LEN={MAX_HOSTNAME_LEN}", "ipconfigENDPOINT_DNS_ADDRESS_COUNT={ENDPOINT_DNS_ADDRESS_COUNT}" ] }