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fix uninitialized variable m_gc_burst in config, have cuber accept and receive optional vector of variables indicating splits and global autarky as output

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-12-14 02:38:45 -08:00
parent 178211d091
commit 6b258578f9
15 changed files with 121 additions and 100 deletions
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15
src/api/python/z3/z3.py
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@ -6313,18 +6313,25 @@ class Solver(Z3PPObject):
consequences = [ consequences[i] for i in range(sz) ]
return CheckSatResult(r), consequences
def cube(self):
def cube(self, vars = None):
"""Get set of cubes"""
self.cube_vs = AstVector(None, self.ctx)
if vars is not None:
for v in vars:
self.cube_vs.push(v)
while True:
lvl = self.backtrack_level
self.backtrack_level = 4000000000
r = AstVector(Z3_solver_cube(self.ctx.ref(), self.solver, lvl), self.ctx)
r = AstVector(Z3_solver_cube(self.ctx.ref(), self.solver, self.cube_vs.vector, lvl), self.ctx)
if (len(r) == 1 and is_false(r[0])):
return
yield r
return
yield r
if (len(r) == 0):
return
def cube_vars(self):
return self.cube_vs
def proof(self):
"""Return a proof for the last `check()`. Proof construction must be enabled."""
return _to_expr_ref(Z3_solver_get_proof(self.ctx.ref(), self.solver), self.ctx)