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deal with python globals

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-04-27 14:03:26 -07:00
parent 92613f26b3
commit c9b906a518
2 changed files with 149 additions and 145 deletions
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276
src/api/python/z3/z3.py
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18
src/api/python/z3/z3util.py
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@ -75,7 +75,7 @@ def ehash(v):
x_783810685_1 x_783810685_1 x_783810685_2
"""
if Z3_DEBUG:
if z3_debug():
assert is_expr(v)
return "{}_{}_{}".format(str(v),v.hash(),v.sort_kind())
@ -148,7 +148,7 @@ def get_vars(f,rs=[]):
[x, y, a, b]
"""
if Z3_DEBUG:
if z3_debug():
assert is_expr(f)
if is_const(f):
@ -228,13 +228,13 @@ def prove(claim,assume=None,verbose=0):
"""
if Z3_DEBUG:
if z3_debug():
assert not assume or is_expr(assume)
to_prove = claim
if assume:
if Z3_DEBUG:
if z3_debug():
is_proved,_ = prove(Not(assume))
def _f():
@ -266,7 +266,7 @@ def prove(claim,assume=None,verbose=0):
elif models == False: #unsat
return True,None
else: #sat
if Z3_DEBUG:
if z3_debug():
assert isinstance(models,list)
if models:
@ -312,7 +312,7 @@ def get_models(f,k):
"""
if Z3_DEBUG:
if z3_debug():
assert is_expr(f)
assert k>=1
@ -448,13 +448,13 @@ def myBinOp(op,*L):
AssertionError
"""
if Z3_DEBUG:
if z3_debug():
assert op == Z3_OP_OR or op == Z3_OP_AND or op == Z3_OP_IMPLIES
if len(L)==1 and (isinstance(L[0],list) or isinstance(L[0],tuple)):
L = L[0]
if Z3_DEBUG:
if z3_debug():
assert all(not isinstance(l,bool) for l in L)
L = [l for l in L if is_expr(l)]
@ -493,7 +493,7 @@ def model_str(m,as_str=True):
see doctest exampels from function prove()
"""
if Z3_DEBUG:
if z3_debug():
assert m is None or m == [] or isinstance(m,ModelRef)
if m :