private void RegisterSelect(VCExprNAry node) { RegisterType(node[0].Type); if (CommandLineOptions.Clo.UseArrayTheory) { return; } string name = SimplifyLikeExprLineariser.SelectOpName(node); name = Namer.GetQuotedName(name, name); if (!KnownSelectFunctions.Contains(name)) { string decl = "(declare-fun " + name + " (" + node.MapConcat(n => TypeToString(n.Type), " ") + ") " + TypeToString(node.Type) + ")"; AddDeclaration(decl); KnownSelectFunctions.Add(name); } }
private void RegisterStore(VCExprNAry node) { RegisterType(node.Type); // this is the map type, registering it should register also the index and value types if (CommandLineOptions.Clo.UseArrayTheory) { return; } string name = SimplifyLikeExprLineariser.StoreOpName(node); name = Namer.GetQuotedName(name, name); if (!KnownStoreFunctions.Contains(name)) { string decl = "(declare-fun " + name + " (" + node.MapConcat(n => TypeToString(n.Type), " ") + ") " + TypeToString(node.Type) + ")"; AddDeclaration(decl); if (CommandLineOptions.Clo.TypeEncodingMethod == CommandLineOptions.TypeEncoding.Monomorphic) { var sel = SimplifyLikeExprLineariser.SelectOpName(node); sel = Namer.GetQuotedName(sel, sel); if (!KnownSelectFunctions.Contains(sel)) { // need to declare it before reference var args = node.SkipEnd(1); var ret = node.Last(); string seldecl = "(declare-fun " + sel + " (" + args.MapConcat(n => TypeToString(n.Type), " ") + ") " + TypeToString(ret.Type) + ")"; AddDeclaration(seldecl); KnownSelectFunctions.Add(sel); } string ax1 = "(assert (forall ("; string ax2 = "(assert (forall ("; string argX = "", argY = ""; string dist = ""; for (int i = 0; i < node.Arity; i++) { var t = " " + TypeToString(node[i].Type); var x = " ?x" + i; var y = " ?y" + i; ax1 += " (" + x + t + ")"; ax2 += " (" + x + t + ")"; if (i != 0 && i != node.Arity - 1) { argX += x; argY += y; ax2 += " (" + y + t + ")"; dist += " (not (=" + x + y + "))"; } } string v = " ?x" + (node.Arity - 1); ax1 += ") (= (" + sel + " (" + name + " ?x0" + argX + v + ")" + argX + ") " + v + ")"; ax1 += "))"; if (node.Arity > 3) { dist = "(or " + dist + ")"; } ax2 += ") (=> " + dist + " (= (" + sel + " (" + name + " ?x0" + argX + v + ")" + argY + ") (" + sel + " ?x0" + argY + ")))"; ax2 += "))"; AddDeclaration(ax1); AddDeclaration(ax2); } KnownStoreFunctions.Add(name); } // }