diff options
Diffstat (limited to 'Source/VCGeneration/Wlp.cs')
| -rw-r--r-- | Source/VCGeneration/Wlp.cs | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/Source/VCGeneration/Wlp.cs b/Source/VCGeneration/Wlp.cs index 74b77188..741ed723 100644 --- a/Source/VCGeneration/Wlp.cs +++ b/Source/VCGeneration/Wlp.cs @@ -186,7 +186,7 @@ namespace VC { if (naryExpr.Fun is FunctionCall) { int id = ac.UniqueId; ctxt.Label2absy[id] = ac; - return gen.ImpliesSimp(gen.LabelPos(cce.NonNull("si_fcall_" + id.ToString()), ctxt.Ctxt.BoogieExprTranslator.Translate(ac.Expr)), N); + return MaybeWrapWithOptimization(ctxt, gen, ac.Attributes, gen.ImpliesSimp(gen.LabelPos(cce.NonNull("si_fcall_" + id.ToString()), ctxt.Ctxt.BoogieExprTranslator.Translate(ac.Expr)), N)); } } } @@ -199,13 +199,28 @@ namespace VC { namedAssumeVars.Add(v); expr = gen.ImpliesSimp(v, expr); } - return gen.ImpliesSimp(expr, N); + return MaybeWrapWithOptimization(ctxt, gen, ac.Attributes, gen.ImpliesSimp(expr, N)); } else { Console.WriteLine(cmd.ToString()); Contract.Assert(false); throw new cce.UnreachableException(); // unexpected command } } - + + private static VCExpr MaybeWrapWithOptimization(VCContext ctxt, VCExpressionGenerator gen, QKeyValue attrs, VCExpr expr) + { + var min = QKeyValue.FindExprAttribute(attrs, "minimize"); + if (min != null) + { + expr = gen.Function(VCExpressionGenerator.MinimizeOp, ctxt.Ctxt.BoogieExprTranslator.Translate(min), expr); + } + var max = QKeyValue.FindExprAttribute(attrs, "maximize"); + if (max != null) + { + expr = gen.Function(VCExpressionGenerator.MaximizeOp, ctxt.Ctxt.BoogieExprTranslator.Translate(max), expr); + } + return expr; + } + public static CommandLineOptions.SubsumptionOption Subsumption(AssertCmd ac) { Contract.Requires(ac != null); int n = QKeyValue.FindIntAttribute(ac.Attributes, "subsumption", -1); |