xml rendering issue when encountering string "\x01" #7073
Description
CBMC version: 5.53.1
Operating system: linux
Exact command line resulting in the issue: cbmc issue.c --trace --xml-ui
What behaviour did you expect: Successfully generated xml file
What happened instead: Program aborted with an error
Problem program issue.c:
#include <stdlib.h>
int main(void) {
const unsigned char *str = (unsigned char *)"\x00";
assert(*str == "\x01");
return 0;
}
Last several lines of output when running cbmc issue.c --trace --xml-ui:
--- begin invariant violation report ---
Invariant check failed
File: xml.cpp:154 function: escape_attribute
Condition: ch >= ' '
Reason: XML does not support escaping non-printable character 1
Backtrace:
cbmc() [0x6561cd]
cbmc() [0x6571b7]
cbmc() [0x56a612]
cbmc() [0x6e4f49]
cbmc() [0x6e5052]
cbmc() [0x6e50dd]
cbmc() [0x6e50dd]
cbmc() [0xcf28ed]
cbmc() [0x918641]
cbmc() [0x700058]
cbmc() [0x6ff52a]
cbmc() [0x55ddeb]
cbmc() [0x551e01]
/lib64/libc.so.6(__libc_start_main+0xea) [0x7f8ed496a13a]
cbmc() [0x55ea2a]
--- end invariant violation report ---
[1] 1659 abort cbmc expr.c --trace --xml-ui