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address divergence in the case of shared theory symbols. Codeplex issue 147, thanks to George Karpenkov

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2014-12-09 16:04:25 +01:00
commit 08cb8b8de8
74 changed files with 1280 additions and 896 deletions
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10
src/api/python/z3.py
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@ -38,7 +38,7 @@ Z3 exceptions:
... n = x + y
... except Z3Exception as ex:
... print("failed: %s" % ex)
failed: 'sort mismatch'
failed: sort mismatch
"""
from z3core import *
from z3types import *
@ -1396,7 +1396,7 @@ def BoolVector(prefix, sz, ctx=None):
return [ Bool('%s__%s' % (prefix, i)) for i in range(sz) ]
def FreshBool(prefix='b', ctx=None):
"""Return a fresh Bolean constant in the given context using the given prefix.
"""Return a fresh Boolean constant in the given context using the given prefix.
If `ctx=None`, then the global context is used.
@ -6162,7 +6162,7 @@ class Fixedpoint(Z3PPObject):
Z3_fixedpoint_add_rule(self.ctx.ref(), self.fixedpoint, head.as_ast(), name)
else:
body = _get_args(body)
f = self.abstract(Implies(And(body),head))
f = self.abstract(Implies(And(body,self.ctx),head))
Z3_fixedpoint_add_rule(self.ctx.ref(), self.fixedpoint, f.as_ast(), name)
def rule(self, head, body = None, name = None):
@ -6190,7 +6190,7 @@ class Fixedpoint(Z3PPObject):
if sz == 1:
query = query[0]
else:
query = And(query)
query = And(query, self.ctx)
query = self.abstract(query, False)
r = Z3_fixedpoint_query(self.ctx.ref(), self.fixedpoint, query.as_ast())
return CheckSatResult(r)
@ -6209,7 +6209,7 @@ class Fixedpoint(Z3PPObject):
name = ""
name = to_symbol(name, self.ctx)
body = _get_args(body)
f = self.abstract(Implies(And(body),head))
f = self.abstract(Implies(And(body, self.ctx),head))
Z3_fixedpoint_update_rule(self.ctx.ref(), self.fixedpoint, f.as_ast(), name)
def get_answer(self):