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Fix UP's decide callback (#6707)

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* Query Boolean Assignment in the UP

* UP's decide ref arguments => next_split

* Fixed wrapper

* More fixes
This commit is contained in:
Clemens Eisenhofer 2023-06-02 09:52:54 +02:00 • committed by GitHub
parent d59bf55539
commit 82667bd86b
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18 changed files with 174 additions and 169 deletions
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11
src/api/python/z3/z3.py
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@ -11529,16 +11529,11 @@ def user_prop_diseq(ctx, cb, x, y):
prop.diseq(x, y)
prop.cb = None
# TODO The decision callback is not fully implemented.
# It needs to handle the ast*, unsigned* idx, and Z3_lbool*
def user_prop_decide(ctx, cb, t_ref, idx_ref, phase_ref):
def user_prop_decide(ctx, cb, t, idx, phase):
prop = _prop_closures.get(ctx)
prop.cb = cb
t = _to_expr_ref(to_Ast(t_ref), prop.ctx())
t, idx, phase = prop.decide(t, idx, phase)
t_ref = t
idx_ref = idx
phase_ref = phase
prop.decide(t, idx, phase)
prop.cb = None
@ -11685,7 +11680,7 @@ class UserPropagateBase:
# split on. A phase of true = 1/false = -1/undef = 0 = let solver decide is the last argument.
#
def next_split(self, t, idx, phase):
Z3_solver_next_split(self.ctx_ref(), ctypes.c_void_p(self.cb), t.ast, idx, phase)
return Z3_solver_next_split(self.ctx_ref(), ctypes.c_void_p(self.cb), t.ast, idx, phase)
#
# Propagation can only be invoked as during a fixed or final callback.