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additional robustness check for incremental sat solver core when it recieves interpreted constants, added PB equality to interface and special handling of equalities to adddress performance gap documented in #755

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2016-10-25 20:32:13 -07:00
parent fefd00aa49
commit 461e88e34c
21 changed files with 430 additions and 84 deletions
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15
src/api/dotnet/Context.cs
View file

@ -2640,6 +2640,21 @@ namespace Microsoft.Z3
AST.ArrayToNative(args),
coeffs, k));
}
/// <summary>
/// Create a pseudo-Boolean equal constraint.
/// </summary>
public BoolExpr MkPBEq(int[] coeffs, BoolExpr[] args, int k)
{
Contract.Requires(args != null);
Contract.Requires(coeffs != null);
Contract.Requires(args.Length == coeffs.Length);
Contract.Requires(Contract.Result<BoolExpr[]>() != null);
CheckContextMatch<BoolExpr>(args);
return new BoolExpr(this, Native.Z3_mk_pbeq(nCtx, (uint) args.Length,
AST.ArrayToNative(args),
coeffs, k));
}
#endregion
#region Numerals

9
src/api/dotnet/Optimize.cs
View file

@ -258,10 +258,13 @@ namespace Microsoft.Z3
/// <summary>
/// Return a string the describes why the last to check returned unknown
/// </summary>
public String getReasonUnknown()
public String ReasonUnknown
{
Contract.Ensures(Contract.Result<string>() != null);
return Native.Z3_optimize_get_reason_unknown(Context.nCtx, NativeObject);
get
{
Contract.Ensures(Contract.Result<string>() != null);
return Native.Z3_optimize_get_reason_unknown(Context.nCtx, NativeObject);
}
}