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reset backtrack level at each cube

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-11-09 10:04:32 -08:00
parent ee3ed3a27a
commit cb7e53aae4
2 changed files with 6 additions and 4 deletions
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6
src/api/dotnet/Solver.cs
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@ -364,9 +364,10 @@ namespace Microsoft.Z3
/// </summary>
public IEnumerable<BoolExpr> Cube()
{
int rounds = 0;
while (true) {
BoolExpr r = (BoolExpr)Expr.Create(Context, Native.Z3_solver_cube(Context.nCtx, NativeObject, BacktrackLevel));
var lvl = BacktrackLevel;
BacktrackLevel = uint.MaxValue;
BoolExpr r = (BoolExpr)Expr.Create(Context, Native.Z3_solver_cube(Context.nCtx, NativeObject, lvl));
if (r.IsFalse) {
break;
}
@ -374,7 +375,6 @@ namespace Microsoft.Z3
yield return r;
break;
}
++rounds;
yield return r;
}
}

4
src/api/python/z3/z3.py
View file

@ -6287,7 +6287,9 @@ class Solver(Z3PPObject):
def cube(self):
"""Get set of cubes"""
while True:
r = _to_expr_ref(Z3_solver_cube(self.ctx.ref(), self.solver, self.backtrack_level), self.ctx)
lvl = self.backtrack_level
self.backtrack_level = 4000000000
r = _to_expr_ref(Z3_solver_cube(self.ctx.ref(), self.solver, lvl), self.ctx)
if (is_false(r)):
return
if (is_true(r)):