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add backtrack level to cuber interface

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-11-08 21:44:21 -08:00
parent 0a9946578b
commit 75b8d10f48
22 changed files with 53 additions and 40 deletions
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11
src/api/dotnet/Solver.cs
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@ -353,6 +353,12 @@ namespace Microsoft.Z3
}
}
/// <summary>
/// Backtrack level that can be adjusted by conquer process
/// </summary>
public uint BacktrackLevel { get; set; }
/// <summary>
/// Return a set of cubes.
/// </summary>
@ -360,10 +366,8 @@ namespace Microsoft.Z3
{
int rounds = 0;
while (true) {
BoolExpr r = (BoolExpr)Expr.Create(Context, Native.Z3_solver_cube(Context.nCtx, NativeObject));
BoolExpr r = (BoolExpr)Expr.Create(Context, Native.Z3_solver_cube(Context.nCtx, NativeObject, BacktrackLevel));
if (r.IsFalse) {
if (rounds == 0)
yield return r;
break;
}
if (r.IsTrue) {
@ -412,6 +416,7 @@ namespace Microsoft.Z3
: base(ctx, obj)
{
Contract.Requires(ctx != null);
this.BacktrackLevel = uint.MaxValue;
}
internal class DecRefQueue : IDecRefQueue