[/usr/local/lib/python3.10/dist-packages/scipy/stats/_continuous_distns.py:608](): RuntimeWarning: divide by zero encountered in _beta_pdf
  return _boost._beta_pdf(x, a, b)

(C₁∧A₁)≺((C₂∧A₂)∨(C₃∧A₃))↝G

(C₁∧A₁)≺PLAN_SELECT_RUN↝G

ic| msg: 'Learning phase started. (1/5)'
[/usr/local/lib/python3.10/dist-packages/scipy/stats/_continuous_distns.py:608](): RuntimeWarning: divide by zero encountered in _beta_pdf
  return _boost._beta_pdf(x, a, b)
ic| msg: 'Interaction phase started. (1/5)'
---------------------------------------------------------------------------
RuntimeError                              Traceback (most recent call last)
/workspace/01_cartpole.ipynb Cell 21' in <module>
     [17]()[ log_msg(agent_log, f"Interaction phase started. ({i + 1}/{epochs})")
     ]()[18]()[ for j in range(epoch_len):
---> ]()[19]()[     done = agent.control_cycle()
     ]()[20]()[     wrapped_env.render()  # uncomment to see the rendered env
     ]()[21]()[     time.sleep(0.01)

File /workspace/rocca/agents/core.py:1587, in OpencogAgent.control_cycle(self)
   ]()[1584]()[ agent_log.debug("cogscms [count={}]:\n{}".format(len(cogscms), cogscms))
   ]()[1586]()[ # Deduce the action distribution
-> ]()[1587]()[ mxmdl = self.deduce(cogscms)
   ]()[1588]()[ agent_log.debug("mxmdl:\n{}".format(mxmdl_to_str(mxmdl)))
   ]()[1590]()[ # Select the next action

File /workspace/rocca/agents/core.py:1491, in OpencogAgent.deduce(self, cogscms)
   ]()[1456]()[ # For each cognitive schematic estimate the probability of its
   ]()[1457]()[ # context to be true and multiply it by the truth value of the
   ]()[1458]()[ # cognitive schematic, then calculate its weight based on
   (...)
   ]()[1486]()[ # result, as they allegedly exert an unknown influence (via
   ]()[1487]()[ # their invalid parts).
   ]()[1488]()[ ctx_tv = lambda cogscm: get_context_actual_truth(
   ]()[1489]()[     self.atomspace, cogscm, self.cycle_count
   ]()[1490]()[ )
-> ]()[1491]()[ valid_cogscms = [cogscm for cogscm in cogscms if 0.9 < ctx_tv(cogscm).mean]
   ]()[1492]()[ agent_log.fine(
   ]()[1493]()[     "valid_cogscms [count={}]:\n{}".format(len(valid_cogscms), valid_cogscms)
   ]()[1494]()[ )
   ]()[1496]()[ # Size of the complete data set, including all observations
   ]()[1497]()[ # used to build the models.
   ]()[1498]()[ #
   ]()[1499]()[ # Needs to be set before calling self.weight

File /workspace/rocca/agents/core.py:1491, in <listcomp>(.0)
   ]()[1456]()[ # For each cognitive schematic estimate the probability of its
   ]()[1457]()[ # context to be true and multiply it by the truth value of the
   ]()[1458]()[ # cognitive schematic, then calculate its weight based on
   (...)
   ]()[1486]()[ # result, as they allegedly exert an unknown influence (via
   ]()[1487]()[ # their invalid parts).
   ]()[1488]()[ ctx_tv = lambda cogscm: get_context_actual_truth(
   ]()[1489]()[     self.atomspace, cogscm, self.cycle_count
   ]()[1490]()[ )
-> ]()[1491]()[ valid_cogscms = [cogscm for cogscm in cogscms if 0.9 < ctx_tv(cogscm).mean]
   ]()[1492]()[ agent_log.fine(
   ]()[1493]()[     "valid_cogscms [count={}]:\n{}".format(len(valid_cogscms), valid_cogscms)
   ]()[1494]()[ )
   ]()[1496]()[ # Size of the complete data set, including all observations
   ]()[1497]()[ # used to build the models.
   ]()[1498]()[ #
   ]()[1499]()[ # Needs to be set before calling self.weight

File /workspace/rocca/agents/core.py:1488, in OpencogAgent.deduce.<locals>.<lambda>(cogscm)
   ]()[1454]()[ agent_log.fine("deduce(cogscms={})".format(cogscms))
   ]()[1456]()[ # For each cognitive schematic estimate the probability of its
   ]()[1457]()[ # context to be true and multiply it by the truth value of the
   ]()[1458]()[ # cognitive schematic, then calculate its weight based on
   (...)
   ]()[1486]()[ # result, as they allegedly exert an unknown influence (via
   ]()[1487]()[ # their invalid parts).
-> ]()[1488]()[ ctx_tv = lambda cogscm: get_context_actual_truth(
   ]()[1489]()[     self.atomspace, cogscm, self.cycle_count
   ]()[1490]()[ )
   ]()[1491]()[ valid_cogscms = [cogscm for cogscm in cogscms if 0.9 < ctx_tv(cogscm).mean]
   ]()[1492]()[ agent_log.fine(
   ]()[1493]()[     "valid_cogscms [count={}]:\n{}".format(len(valid_cogscms), valid_cogscms)
   ]()[1494]()[ )

File /workspace/rocca/agents/utils.py:832, in get_context_actual_truth(atomspace, cogscm, i)
    ]()[825]()[ body = AndLink(
    ]()[826]()[     PresentLink(*stamped_present_clauses),
    ]()[827]()[     IsClosedLink(*stamped_present_clauses),
    ]()[828]()[     IsTrueLink(*stamped_present_clauses),
    ]()[829]()[     *virtual_clauses
    ]()[830]()[ )
    ]()[831]()[ query = SatisfactionLink(vardecl, body)
--> ]()[832]()[ tv = execute_atom(atomspace, query)
    ]()[833]()[ return tv

File execute.pyx:14, in opencog.execute.execute_atom()

RuntimeError: BUG! Still have ungrounded clauses!! (/home/opencog/atomspace/opencog/query/NextSearchMixin.cc:154)]()