Exemplo n.º 1
0
def goal2subproof(goal, length, line_nb, script, sexp_cache, serapi):
    'Extract a synthetic proof a fixed length from a goal'
    hypotheses = subgoals2hypotheses(script, serapi)
    if hypotheses is None:
        return None
    cmds = set_up_hypotheses(hypotheses, sexp_cache, serapi)

    subproof_data = {
        'goal_id': goal['id'],
        'length': length,
        'line_nb': line_nb,
        'entry_cmds': cmds,
        'steps': [],
        'goals': {},
        'proof_tree': None,
    }
    # execute the proof
    for num_executed, (cmd, cmd_type, _) in enumerate(script, start=line_nb + 1):
        # keep track of the goals
        fg_goals, bg_goals, shelved_goals, given_up_goals = serapi.query_goals()
        for g in fg_goals + bg_goals:
            g['sexp'] = sexp_cache.dump(g['sexp'])
            for i, h in enumerate(g['hypotheses']):
                g['hypotheses'][i]['sexp'] = sexp_cache.dump(g['hypotheses'][i]['sexp'])
            subproof_data['goals'][g['id']] = g
        ast = sexpdata.dumps(serapi.query_ast(cmd))
        subproof_data['steps'].append({'command': (cmd, cmd_type, sexp_cache.dump(ast)),
                                       'goal_ids': {'fg': [g['id'] for g in fg_goals],
                                                    'bg': [g['id'] for g in bg_goals]}
                                      })

        # the proof ends
        if cmd_type == 'VernacEndProof':
            return None  # there is no such proof

        # run the tactic
        if args.debug:
            print('SUBPROOF-id%d-len%d %d: %s' % (goal['id'], length, num_executed, cmd))
        serapi.execute(cmd)

        if num_executed == line_nb + length:  # now, try to close the proof
            exit_cmds = close_proof(sexp_cache, serapi)
            if exit_cmds is None:
                print('failed')
                return None
            print('succeeded')
            subproof_data['exit_cmds'] = exit_cmds
            break

    assert check_topology(subproof_data['steps'])
    subproof_data['proof_tree'] = ProofTree(subproof_data['steps'], subproof_data['goals']).to_dict()
    
    return subproof_data
Exemplo n.º 2
0
def goal2subproof(goal, length, line_nb, script, sexp_cache, serapi):
    "Extract a synthetic proof a fixed length from a goal"
    hypotheses = subgoals2hypotheses(script, serapi)
    if hypotheses is None:
        return None
    cmds = set_up_hypotheses(hypotheses, sexp_cache, serapi)

    subproof_data = {
        "goal_id": goal["id"],
        "length": length,
        "line_nb": line_nb,
        "entry_cmds": cmds,
        "steps": [],
        "goals": {},
        "proof_tree": None,
    }
    # execute the proof
    for num_executed, (cmd, cmd_type, _) in enumerate(script,
                                                      start=line_nb + 1):
        # keep track of the goals
        fg_goals, bg_goals, shelved_goals, given_up_goals = serapi.query_goals(
        )
        for g in fg_goals + bg_goals:
            g["sexp"] = sexp_cache.dump(g["sexp"])
            for i, h in enumerate(g["hypotheses"]):
                g["hypotheses"][i]["sexp"] = sexp_cache.dump(
                    g["hypotheses"][i]["sexp"])
            subproof_data["goals"][g["id"]] = g
        ast = sexpdata.dumps(serapi.query_ast(cmd))
        subproof_data["steps"].append({
            "command": (cmd, cmd_type, sexp_cache.dump(ast)),
            "goal_ids": {
                "fg": [g["id"] for g in fg_goals],
                "bg": [g["id"] for g in bg_goals],
            },
        })

        # the proof ends
        if cmd_type == "VernacEndProof":
            return None  # there is no such proof

        # run the tactic
        if args.debug:
            print("SUBPROOF-id%d-len%d %d: %s" %
                  (goal["id"], length, num_executed, cmd))
        serapi.execute(cmd)

        if num_executed == line_nb + length:  # now, try to close the proof
            exit_cmds = close_proof(sexp_cache, serapi)
            if exit_cmds is None:
                print("failed")
                return None
            print("succeeded")
            subproof_data["exit_cmds"] = exit_cmds
            break

    assert check_topology(subproof_data["steps"])
    subproof_data["proof_tree"] = ProofTree(subproof_data["steps"],
                                            subproof_data["goals"]).to_dict()

    return subproof_data
Exemplo n.º 3
0
def record_proof(num_extra_cmds, line_nb, script, sexp_cache, serapi, args):
    proof_data = {
        'line_nb': num_extra_cmds + line_nb,
        'env': {},
        'steps': [],
        'goals': {},
        'proof_tree': None,
    }

    # get the global environment
    serapi.set_timeout(3600)
    constants, inductives = serapi.query_env(args.file[:-5] + '.vo')
    serapi.set_timeout(args.timeout)
    for const in constants:
        const['sexp']   = sexp_cache.dump(const['sexp'])
    for induct in inductives:
        induct['sexp'] = sexp_cache.dump(induct['sexp'])
    proof_data['env'] = {
        'constants': constants,
        'inductives': inductives,
    }

    # execute the proof
    for num_executed, (code_line, tags) in enumerate(script, start=line_nb + 1):
        if 'END_TACTIC' in tags:
            return None
        assert tags['VERNAC_TYPE'] != 'VernacProof'
        if tags['VERNAC_TYPE'] not in ['VernacEndProof', 'VernacBullet', 'VernacSubproof', 'VernacEndSubproof', 'VernacExtend']:
            return None

        # keep track of the goals
        fg_goals, bg_goals, shelved_goals, given_up_goals = serapi.query_goals()
        if shelved_goals + given_up_goals != []:
            return None
        if num_executed == 0:  # we only consider Prop
            assert fg_goals != []
            if not goal_is_prop(fg_goals[0], serapi):
                return None
        for g in fg_goals + bg_goals:
            g['sexp'] = sexp_cache.dump(g['sexp'])
            for i, h in enumerate(g['hypotheses']):
                g['hypotheses'][i]['sexp'] = sexp_cache.dump(h['sexp'])
            proof_data['goals'][g['id']] = g
        ast = sexpdata.dumps(serapi.query_ast(code_line))
        proof_data['steps'].append({'command': (code_line, tags['VERNAC_TYPE'], sexp_cache.dump(ast)),
                                    'goal_ids': {'fg': [g['id'] for g in fg_goals],
                                                 'bg': [g['id'] for g in bg_goals]}
                                   })

        # run the tactic
        if args.debug:
            print('PROOF %d: %s' % (num_executed, code_line))
        serapi.execute(code_line)

        # the proof ends
        if tags['VERNAC_TYPE'] == 'VernacEndProof':
            break

    if not check_topology(proof_data['steps']):
        return None
    proof_data['proof_tree'] = ProofTree(proof_data['steps'], proof_data['goals']).to_dict()

    return proof_data
Exemplo n.º 4
0
    def parse_proof(self, justified, find_proof, discover, container, simultaneous):
        """
        Takes the proof that's ouputted from SPASS (saved in self.output) and then parses it
        into a form that is a bit more human readable to someone that isn't well versed in
        SPASS' form of implication resolution (showing it more with what formulas are used and
        what they resolved against).

        :param justified: are we looking for a full proof (True) or just the end result (False)
        :param find_proof: can we get the full proof tree or not (false if we had an exists)
        :param discover:
        :param container:
        :param simultaneous:
        :return:
        """
        index = self.output.find("SPASS beiseite: ")
        resultStr = self.output[index:self.output.find("\n", index)]
        if self.errors != "":
            self.result = ("Error Found", [], [])
        elif resultStr.find("Ran out of time.") != -1:
            self.result = ("Time Up", [], [])
        elif resultStr.find("Completion found.") != -1:
            self.result = ("Completion Found", [], [])
        elif resultStr.find("Proof found.") != -1:
            self.result = ("Proof Found", [], [])
            if justified:
                index = self.output.find("Here is a proof with ")
                proofStr = self.output[self.output.find("\n", index):self.output.find("\nFormulae used in the proof",index)]
                if find_proof:
                    emptyContainer = DCECContainer()
                    emptyContainer.namespace = container.namespace
                    self.proof = ProofTree(proofStr, emptyContainer, simultaneous,
                                           self.symbolReverter)
                index = self.output.find("Formulae used in the proof : ") + \
                    len("Formulae used in the proof : ")
                proofStr = self.output[index:self.output.find("\n", index)]
                steps = proofStr.split(" ")
                for x in range(len(steps)-1, -1, -1):
                    if steps[x] == "CONJECTURE":
                        steps.pop(x)
                    elif steps[x] == "SORTING_RULE":
                        steps.pop(x)
                    elif steps[x].startswith("declaration"):
                        steps.pop(x)
                steps = frozenset(steps)
                for step in steps:
                    if step in self.axioms:
                        self.result[1].append(self.axioms[step])
                    else:
                        self.result[2].append(step)
        logic = self.output[self.output.find("Given clause:"):self.output.find("SPASS V 3.7")]
        logic = logic.split("\n")
        self.discoveries = DCECContainer()
        self.discoveries.namespace = container.namespace
        if discover:
            index = len(logic) - 1
            while index >= 0:
                if logic[index][-4:] == "-> .":
                    logic.pop(index)
                else:
                    logic[index] = logic[index][logic[index].find("]")+1:]
                    tmperarotya = toSNotation(logic[index], container.namespace.sorts,
                                              self.symbolReverter)
                    if tmperarotya != "":
                        self.discoveries.add_statement(tmperarotya)
                index -= 1
Exemplo n.º 5
0
def record_proof(num_extra_cmds, line_nb, script, sexp_cache, serapi, args):
    proof_data = {
        "line_nb": num_extra_cmds + line_nb,
        "env": {},
        "steps": [],
        "goals": {},
        "proof_tree": None,
    }

    # get the global environment
    serapi.set_timeout(3600)
    constants, inductives = serapi.query_env(args.file[:-5] + ".vo")
    serapi.set_timeout(args.timeout)
    for const in constants:
        const["sexp"] = sexp_cache.dump(const["sexp"])
    for induct in inductives:
        induct["sexp"] = sexp_cache.dump(induct["sexp"])
    proof_data["env"] = {
        "constants": constants,
        "inductives": inductives,
    }

    # execute the proof
    for num_executed, (code_line, tags) in enumerate(script,
                                                     start=line_nb + 1):
        if "END_TACTIC" in tags:
            return None
        assert tags["VERNAC_TYPE"] != "VernacProof"
        if tags["VERNAC_TYPE"] not in [
                "VernacEndProof",
                "VernacBullet",
                "VernacSubproof",
                "VernacEndSubproof",
                "VernacExtend",
        ]:
            return None

        # keep track of the goals
        fg_goals, bg_goals, shelved_goals, given_up_goals = serapi.query_goals(
        )
        if shelved_goals + given_up_goals != []:
            return None
        if num_executed == 0:  # we only consider Prop
            assert fg_goals != []
            if not goal_is_prop(fg_goals[0], serapi):
                return None
        for g in fg_goals + bg_goals:
            g["sexp"] = sexp_cache.dump(g["sexp"])
            for i, h in enumerate(g["hypotheses"]):
                g["hypotheses"][i]["sexp"] = sexp_cache.dump(h["sexp"])
            proof_data["goals"][g["id"]] = g
        ast = sexpdata.dumps(serapi.query_ast(code_line))
        proof_data["steps"].append({
            "command": (code_line, tags["VERNAC_TYPE"], sexp_cache.dump(ast)),
            "goal_ids": {
                "fg": [g["id"] for g in fg_goals],
                "bg": [g["id"] for g in bg_goals],
            },
        })

        # run the tactic
        if args.debug:
            print("PROOF %d: %s" % (num_executed, code_line))
        serapi.execute(code_line)

        # the proof ends
        if tags["VERNAC_TYPE"] == "VernacEndProof":
            break

    if not check_topology(proof_data["steps"]):
        return None
    proof_data["proof_tree"] = ProofTree(proof_data["steps"],
                                         proof_data["goals"]).to_dict()

    return proof_data