def get_counter_aig(k): # -> (int,int,int)
template = \
"""
MODULE main -- count-up till k
VAR
state: 0..{k};
IVAR
reset: boolean;
inc: boolean;
DEFINE
beep := (state={k});
ASSIGN
init(state) := 0;
next(state) := case
reset: 0;
inc: state + 1;
TRUE:state;
esac;
SPEC
AG(!beep) -- then we use the bad signal
"""
global reset, inc
counter_smv = cleandoc(template).format(k=str(k))
ret, out, err = execute_shell(
'smvflatten | smvtoaig | aigmove | aigtoaig -a',
input=counter_smv + "\n")
assert ret == 0, to_str_ret_out_err(ret, out, err)
out_lines = out.splitlines()
aag, m, i, l, o, a = out_lines[0].split()
# assert i == '1' and o == '1'
assert i == '2' and o == '1'
for i in filter(lambda l: l.startswith('i'), out_lines):
i = i.split()
if i[1] == "reset":
reset = int(i[0][1:])
if i[1] == "inc":
inc = int(i[0][1:])
reset = (reset + 1) * 2
inc = (inc + 1) * 2
ret, out, err = execute_shell('aigstrip | aigtoaig -a', input=out)
out_lines = out.splitlines()
aag, m, i, l, o, a = out_lines[0].split()
out_def_line = out_lines[int(i) + 1 + int(l)]
assert len(out_def_line.split()) == 1, out_def_line
out_signal = int(out_def_line)
return out, out_signal
def get_counter_aig(k): # -> (int,int,int)
template = \
"""
MODULE main -- count-up till k
VAR
state: 0..{k};
IVAR
reset: boolean;
inc: boolean;
DEFINE
beep := (state={k});
ASSIGN
init(state) := 0;
next(state) := case
reset: 0;
inc: state + 1;
TRUE:state;
esac;
SPEC
AG(!beep) -- then we use the bad signal
"""
global reset, inc
counter_smv = cleandoc(template).format(k=str(k))
ret, out, err = execute_shell('smvflatten | smvtoaig | aigmove | aigtoaig -a', input=counter_smv + "\n")
assert ret == 0, to_str_ret_out_err(ret, out, err)
out_lines = out.splitlines()
aag, m, i, l, o, a = out_lines[0].split()
# assert i == '1' and o == '1'
assert i == '2' and o == '1'
for i in filter(lambda l: l.startswith('i'), out_lines):
i = i.split()
if i[1] == "reset":
reset = int(i[0][1:])
if i[1] == "inc":
inc = int(i[0][1:])
reset = (reset + 1) * 2
inc = (inc + 1) * 2
ret, out, err = execute_shell('aigstrip | aigtoaig -a', input=out)
out_lines = out.splitlines()
aag, m, i, l, o, a = out_lines[0].split()
out_def_line = out_lines[int(i) + 1 + int(l)]
assert len(out_def_line.split()) == 1, out_def_line
out_signal = int(out_def_line)
return out, out_signal
def convert_and_check(test):
rc, out, err = execute_shell(TOOL + ' ' + test)
if rc != 0:
print()
print(test)
print('The tool returned a non-zero status: ', to_str_ret_out_err(rc, out, err))
exit(1)
return out
def convert_and_check(test):
rc, out, err = execute_shell(TOOL + ' ' + test)
if rc != 0:
print()
print(test)
print('The tool returned a non-zero status: ',
to_str_ret_out_err(rc, out, err))
exit(1)
return out
def execute_goal_script(script: str) -> str:
"""
:return: stdout as printed by GOAL
"""
script_tmp_file_name = get_tmp_file_name("goal_script_")
with open(script_tmp_file_name, 'w') as f:
f.write(script)
logger.debug(script)
cmd_to_execute = '%s batch %s' % (GOAL, script_tmp_file_name)
res, out, err = execute_shell(cmd_to_execute)
assert res == 0 and err == '', 'Shell call failed:\n' + cmd_to_execute + '\nres=%i\n err=%s' % (res, err)
remove(script_tmp_file_name)
return out
def synthesize_spec(aag_spec: str) -> bool:
tmp_file_name = get_tmp_file_name() + '.aag'
with open(tmp_file_name, 'w') as f:
f.write(aag_spec)
cmd_line = AISY + ' ' + tmp_file_name + ' -q -r'
print(' synthesizing: \n', cmd_line)
ret, out, err = execute_shell(cmd_line)
assert not err.strip(), err
assert not out.strip(), out
assert ret in [EXIT_STATUS_REALIZABLE, EXIT_STATUS_UNREALIZABLE], str(ret)
os.remove(tmp_file_name) # on fail, keep it
return ret == EXIT_STATUS_REALIZABLE
def synthesize_spec(aag_spec: str) -> bool:
tmp_file_name = get_tmp_file_name() + '.aag'
with open(tmp_file_name, 'w') as f:
f.write(aag_spec)
cmd_line = AISY + ' ' + tmp_file_name + ' -q -r'
print(' synthesizing: \n', cmd_line)
ret, out, err = execute_shell(cmd_line)
assert not err.strip(), err
assert not out.strip(), out
assert ret in [EXIT_STATUS_REALIZABLE, EXIT_STATUS_UNREALIZABLE], str(ret)
os.remove(tmp_file_name) # on fail, keep it
return ret == EXIT_STATUS_REALIZABLE
def write_and_die():
global spec, out, new_format
(j, f) = aiger_hacky_remove_jf(spec)
res, string = aiglib.aiger_write_to_string(spec, aiglib.aiger_ascii_mode,
2147483648)
# maybe useful for gc?
spec.num_justice = j
spec.num_fairness = f
assert res != 0, 'writing failure'
if not new_format:
# post-process
ret, out_string, err = execute_shell(
'aigmove -i | aigor | aigtoaig -a', input=string)
assert ret == 0, 'post-processing failure: ' + \
to_str_ret_out_err(ret, string, err) + \
'input was:\n' + string
string = out_string
out.write(string)
exit(0)
def write_and_die():
global spec, out, new_format
(j, f) = aiger_hacky_remove_jf(spec)
res, string = aiglib.aiger_write_to_string(spec,
aiglib.aiger_ascii_mode,
2147483648)
# maybe useful for gc?
spec.num_justice = j
spec.num_fairness = f
assert res != 0, 'writing failure'
if not new_format:
# post-process
ret, out_string, err = execute_shell(
'aigmove -i | aigor | aigtoaig -a',
input=string)
assert ret == 0, 'post-processing failure: ' + \
to_str_ret_out_err(ret, string, err) + \
'input was:\n' + string
string = out_string
out.write(string)
exit(0)
