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adding lookahead and lemmas

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-06-01 14:49:54 -07:00
parent 7d245be4e1
commit 4e65c13726
13 changed files with 203 additions and 1 deletions
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23
src/api/dotnet/Solver.cs
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@ -252,6 +252,29 @@ namespace Microsoft.Z3
return lboolToStatus(r);
}
/// <summary>
/// Select a lookahead literal from the set of supplied candidates.
/// </summary>
public BoolExpr Lookahead(IEnumerable<BoolExpr> candidates)
{
ASTVector cands = new ASTVector(Context);
foreach (var c in candidates) cands.Push(c);
return (BoolExpr)Expr.Create(Context, Native.Z3_solver_lookahead(Context.nCtx, NativeObject, cands.NativeObject));
}
/// <summary>
/// Retrieve set of lemmas that have been inferred by solver.
/// </summary>
public BoolExpr[] Lemmas
{
get
{
var r = Native.Z3_solver_get_lemmas(Context.nCtx, NativeObject);
var v = new ASTVector(Context, r);
return v.ToBoolExprArray();
}
}
/// <summary>
/// The model of the last <c>Check</c>.
/// </summary>