我在pysmt解算器上遇到了麻烦。我收到以下错误消息:
AttributeError: 'module' object has no attribute 'Z3_mk_and'
无论何时我尝试两者:
(1) 通过Solver()
和
(2) 运行pysmt-install --check
下面是从方法1得到的完整堆栈跟踪:
Traceback (most recent call last):
File "ex.py", line 15, in <module>
solver = s.Solver()
File "/Users/harper/anaconda2/lib/python2.7/site-packages/pysmt/shortcuts.py", line 910, in Solver
return get_env().factory.Solver(name=name,
File "/Users/harper/anaconda2/lib/python2.7/site-packages/pysmt/environment.py", line 158, in factory
self._factory = pysmt.factory.Factory(self)
File "/Users/harper/anaconda2/lib/python2.7/site-packages/pysmt/factory.py", line 86, in __init__
self._get_available_solvers()
File "/Users/harper/anaconda2/lib/python2.7/site-packages/pysmt/factory.py", line 222, in _get_available_solvers
from pysmt.solvers.z3 import Z3Solver
File "/Users/harper/anaconda2/lib/python2.7/site-packages/pysmt/solvers/z3.py", line 295, in <module>
class Z3Converter(Converter, DagWalker):
File "/Users/harper/anaconda2/lib/python2.7/site-packages/pysmt/solvers/z3.py", line 859, in Z3Converter
walk_and = make_walk_nary(z3.Z3_mk_and)
AttributeError: 'module' object has no attribute 'Z3_mk_and'
为了解决这个问题,我做了很多尝试,比如卸载并重新安装z3(据说是成功的),pip安装z3 solver(失败的),我不知道出了什么问题。你知道吗
请注意,为pysmt安装解算器的正确方法是通过pysmt安装。这保证了解算器的版本已经过测试。你知道吗
这实际上与
z3
无关,而是直接与pysmt
本身有关。很可能pysmt
没有及时了解z3
的变化。你应该直接在他们的网站上提交一张罚单:https://github.com/pysmt/pysmt/issues相关问题 更多 >
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