def _get_preamble(self):
preamble = ''
preamble += "struct _IO_FILE;\ntypedef struct _IO_FILE FILE;\n"
preamble += "extern struct _IO_FILE *stdin;\n"
preamble += "extern struct _IO_FILE *stderr;\n"
# preamble += "typedef long unsigned int size_t;\n"
# preamble += "extern void abort (void) __attribute__ ((__nothrow__ , __leaf__))\n"
# preamble += " __attribute__ ((__noreturn__));\n"
# preamble += "extern void exit (int __status) __attribute__ ((__nothrow__ , __leaf__))\n"
# preamble += " __attribute__ ((__noreturn__));\n"
# preamble += "extern char *fgets (char *__restrict __s, int __n, FILE *__restrict __stream);\n"
# preamble += "extern int sscanf (const char *__restrict __s,\n"
# preamble += " const char *__restrict __format, ...) __attribute__ ((__nothrow__ , __leaf__));\n"
# preamble += "extern size_t strlen (const char *__s)\n"
# preamble += " __attribute__ ((__nothrow__ , __leaf__))\n"
# preamble += " __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1)));\n"
# preamble += "extern int fprintf (FILE *__restrict __stream,\n"
# preamble += " const char *__restrict __format, ...);\n"
# preamble += "extern void *malloc (size_t __size) __attribute__ ((__nothrow__ , __leaf__))\n"
# preamble += " __attribute__ ((__malloc__));\n"
# preamble += "\n"
preamble += utils.get_assume_method() + "\n"
preamble = preamble.encode()
preamble += self._get_vector_read_method()
return preamble
def _get_preamble(self):
preamble = ''
preamble += utils.EXTERNAL_DECLARATIONS
preamble += "\n"
preamble += utils.get_assume_method() + "\n"
preamble = preamble.encode()
preamble += self._get_vector_read_method()
return preamble
def prepare0(self, filecontent):
content = filecontent
content = utils.rewrite_cproblems(content)
nondet_methods_used = utils.get_nondet_methods()
content += '\n'
content += 'struct _IO_FILE;\ntypedef struct _IO_FILE FILE;\n'
content += "extern struct _IO_FILE *stdin;\n"
content += "extern struct _IO_FILE *stderr;\n"
content += self._get_error_method_dummy()
content += utils.get_assume_method()
return self.prepare(content, nondet_methods_used)
def prepare(self, filecontent, nondet_methods_used, error_method=None):
content = filecontent
content += '\n'
content += utils.EXTERNAL_DECLARATIONS
content += '\n'
content += utils.get_assume_method()
if error_method:
content += utils.get_error_method_definition(error_method)
for method in nondet_methods_used:
# append method definition at end of file content
nondet_method_definition = self._get_nondet_method_definition(
method['name'], method['type'], method['params'])
content += nondet_method_definition
return content
def prepare(self, filecontent, nondet_methods_used, error_method=None):
content = filecontent
content += '\n'
content += utils.EXTERNAL_DECLARATIONS
content += '\n'
content += utils.get_assume_method()
content += '\n'
if error_method:
content += self._get_error_method_definition(error_method)
# FShell ignores methods starting with 'nondet' and '__VERIFIER_nondet'.
# => rename them so that they are analyzed correctly
content = content.replace("nondet", "_nondet")
return content
