void
boolector_set_rewrite_level (Btor * btor, int rewrite_level)
{
BTOR_ABORT_ARG_NULL_BOOLECTOR (btor);
BTOR_ABORT_BOOLECTOR (rewrite_level < 0
|| rewrite_level > 3,
"'rewrite_level' has to be in [0,3]");
BTOR_ABORT_BOOLECTOR (BTOR_COUNT_STACK (btor->id_table) > 1,
"setting rewrite level must be done before creating expressions");
btor_set_rewrite_level_btor (btor, rewrite_level);
}
int
main (int argc, char ** argv)
{
int i, j, verbosity, close_input, close_output, binary, merge;
const char * input_name, * output_name;
FILE * input_file, * output_file, * file;
BtorAIG * aig, * tmp, * merged, ** p;
BtorPtrHashTable * back_annotation;
const char * parse_error;
BtorPtrHashBucket *b;
BtorParseResult model;
BtorAIGVecMgr * avmgr;
BtorAIGPtrStack regs;
BtorAIGPtrStack nexts;
BtorAIGPtrStack aigs;
BtorParser * parser;
BtorAIGMgr * amgr;
BtorMemMgr * mem;
BtorAIGVec * av;
Btor * btor;
verbosity = 0;
close_input = 0;
close_output = 0;
binary = 0;
merge = 0;
input_name = "<stdin>";
output_name = "<stdout>";
input_file = stdin;
output_file = stdout;
for (i = 1; i < argc; i++)
{
if (!strcmp (argv[i], "-h"))
{
printf ("usage: synthebor [-h][-v][-m][<input>[<output>]]\n");
exit (0);
}
else if (!strcmp (argv[i], "-v"))
verbosity++;
else if (!strcmp (argv[i], "-m"))
merge = 1;
else if (argv[i][0] == '-')
die (1, "invalid command line option '%s'", argv[i]);
else if (close_output)
die (1, "too many files");
else if (close_input)
{
if (!strcmp (argv[i], input_name))
die (1, "input and output are the same");
if (!(file = fopen (argv[i], "w")))
die (1, "can not write '%s'", argv[i]);
output_file = file;
output_name = argv[i];
close_output = 1;
}
else if (!(file = fopen (argv[i], "r")))
die (1, "can not read '%s'", argv[i]);
else
{
input_file = file;
input_name = argv[i];
close_input = 1;
}
}
btor = btor_new_btor ();
btor_set_verbosity_btor (btor, verbosity);
btor_set_rewrite_level_btor (btor, 1);
parser = btor_btor_parser_api ()->init (btor, verbosity);
parse_error = btor_btor_parser_api()->parse (parser,
input_file,
input_name,
&model);
if (parse_error)
die (0, parse_error);
if (!model.noutputs)
die (1, "no roots in '%s'", input_name);
if (model.nregs && merge)
die (1, "can not merge registers");
mem = btor->mm;
avmgr = btor->avmgr;
amgr = btor_get_aig_mgr_aigvec_mgr (avmgr);
back_annotation = btor_new_ptr_hash_table (mem, 0, 0);
BTOR_INIT_STACK (regs);
BTOR_INIT_STACK (nexts);
for (i = 0; i < model.nregs; i++)
{
if (btor_is_array_exp (btor, model.regs[i]))
die (1, "can not synthesize memories (yet)");
av = btor_exp_to_aigvec (btor, model.regs[i], back_annotation);
for (j = 0; j < av->len; j++)
{
aig = btor_copy_aig (amgr, av->aigs[j]);
BTOR_PUSH_STACK (mem, regs, aig);
}
btor_release_delete_aigvec (avmgr, av);
av = btor_exp_to_aigvec (btor, model.nexts[i], back_annotation);
for (j = 0; j < av->len; j++)
{
aig = btor_copy_aig (amgr, av->aigs[j]);
BTOR_PUSH_STACK (mem, nexts, aig);
}
btor_release_delete_aigvec (avmgr, av);
}
BTOR_INIT_STACK (aigs);
merged = BTOR_AIG_TRUE;
for (i = 0; i < model.noutputs; i++)
{
av = btor_exp_to_aigvec (btor, model.outputs[i], back_annotation);
for (j = 0; j < av->len; j++)
{
aig = av->aigs[j];
if (merge)
{
tmp = btor_and_aig (amgr, merged, aig);
btor_release_aig (amgr, merged);
merged = tmp;
}
else
{
aig = btor_copy_aig (amgr, aig);
BTOR_PUSH_STACK (mem, aigs, aig);
}
}
btor_release_delete_aigvec (avmgr, av);
}
if (merge)
BTOR_PUSH_STACK (mem, aigs, merged);
#ifdef BTOR_HAVE_ISATTY
if (close_output || !isatty (1))
binary = 1;
#endif
assert (BTOR_COUNT_STACK (regs) == BTOR_COUNT_STACK (nexts));
btor_dump_aiger (amgr,
binary, output_file,
BTOR_COUNT_STACK (aigs), aigs.start,
BTOR_COUNT_STACK (regs), regs.start, nexts.start,
back_annotation);
for (p = aigs.start; p < aigs.top; p++)
btor_release_aig (amgr, *p);
BTOR_RELEASE_STACK (mem, aigs);
for (p = regs.start; p < regs.top; p++)
btor_release_aig (amgr, *p);
BTOR_RELEASE_STACK (mem, regs);
for (p = nexts.start; p < nexts.top; p++)
btor_release_aig (amgr, *p);
BTOR_RELEASE_STACK (mem, nexts);
for (b = back_annotation->first; b; b = b->next)
btor_freestr (mem, b->data.asStr);
btor_delete_ptr_hash_table (back_annotation);
btor_btor_parser_api()->reset (parser);
btor_delete_btor (btor);
if (close_input)
fclose (input_file);
if (close_output)
fclose (output_file);
return 0;
}
