def __init__(self, connection: argo.HasProtocolState,
goal: cryptoltypes.CryptolJSON, script: ProofScript,
timeout: Optional[float]) -> None:
params = {'goal': cryptoltypes.to_cryptol(goal), 'script': script}
super(Prove, self).__init__('SAW/prove',
params,
connection,
timeout=timeout)
def prove(goal: cryptoltypes.CryptolJSON,
proof_script: proofscript.ProofScript) -> ProofResult:
"""Atempts to prove that the expression given as the first argument, `goal`, is
true for all possible values of free symbolic variables. Uses the proof
script (potentially specifying an automated prover) provided by the second
argument.
"""
conn = __get_designated_connection()
res = conn.prove(cryptoltypes.to_cryptol(goal),
proof_script.to_json()).result()
pr = ProofResult()
if res['status'] == 'valid':
pr.valid = True
elif res['status'] == 'invalid':
pr.valid = False
else:
raise ValueError("Unknown proof result " + str(res))
if 'counterexample' in res:
pr.counterexample = [(arg['name'],
cryptol.from_cryptol_arg(arg['value']))
for arg in res['counterexample']]
else:
pr.counterexample = None
return pr
def to_json(self) -> Any:
return {'setup value': 'Cryptol', 'expression': cryptoltypes.to_cryptol(self.expression)}
def to_json(self) -> Any:
return cryptoltypes.to_cryptol(self.cryptol_term)
def to_json(self) -> JSON:
return {"server name": self.name,
"value": cryptoltypes.to_cryptol(self.value)}
def to_json(self) -> Any:
return cryptoltypes.to_cryptol(self.expression)