| public UpdateParamValue ( string id, string value ) : void | ||
| id | string | |
| value | string | |
| return | void | |
public void Run()
{
Dictionary<string, string> cfg = new Dictionary<string, string>() {
{ "AUTO_CONFIG", "true" } };
using (Context ctx = new Context(cfg))
{
IntExpr[] x = new IntExpr[20];
IntExpr[] y = new IntExpr[20];
for (uint i = 0; i < 20; i++)
{
x[i] = ctx.MkIntConst(string.Format("x_{0}", i));
y[i] = ctx.MkIntConst(string.Format("y_{0}", i));
}
BoolExpr f = ctx.MkAnd(ctx.MkGe(ctx.MkAdd(x), ctx.MkInt(0)),
ctx.MkGe(ctx.MkAdd(y), ctx.MkInt(0)));
Console.WriteLine("now: " + ctx.GetParamValue("PP_MAX_DEPTH"));
ctx.UpdateParamValue("PP_MAX_DEPTH", "1");
Console.WriteLine(f);
ctx.UpdateParamValue("PP_MAX_DEPTH", "100");
ctx.UpdateParamValue("PP_MAX_NUM_LINES", "10");
Console.WriteLine(f);
ctx.UpdateParamValue("PP_MAX_NUM_LINES", "20");
ctx.UpdateParamValue("PP_MAX_WIDTH", "300");
Console.WriteLine(f);
Console.WriteLine("now: " + ctx.GetParamValue("PP_MAX_WIDTH"));
}
}
public void Run()
{
using (Context ctx = new Context()) {
ctx.UpdateParamValue("DL_ENGINE","1");
ctx.UpdateParamValue("DL_PDR_USE_FARKAS","true");
// ctx.UpdateParamValue("VERBOSE","2");
var s = ctx.MkFixedpoint();
BoolSort B = ctx.BoolSort;
IntSort I = ctx.IntSort;
FuncDecl mc = ctx.MkFuncDecl("mc", new Sort[]{I, I}, B);
ArithExpr x = (ArithExpr)ctx.MkBound(0,I);
ArithExpr y = (ArithExpr)ctx.MkBound(1,I);
ArithExpr z = (ArithExpr)ctx.MkBound(2,I);
s.RegisterRelation(mc);
BoolExpr gt = ctx.MkGt(x, ctx.MkInt(100));
s.AddRule(ctx.MkImplies(gt,(BoolExpr)mc[x,ctx.MkSub(x,ctx.MkInt(10))]));
s.AddRule(ctx.MkImplies(ctx.MkAnd(ctx.MkNot(gt),
(BoolExpr) mc[ctx.MkAdd(x,ctx.MkInt(11)),y],
(BoolExpr) mc[y,z]),
(BoolExpr) mc[x,z]));
Console.WriteLine(s.Query(ctx.MkAnd((BoolExpr)mc[x,y], ctx.MkGt(y,ctx.MkInt(100)))));
Console.WriteLine(s.GetAnswer());
Console.WriteLine(s.Query(ctx.MkAnd((BoolExpr)mc[x,y], ctx.MkLt(y,ctx.MkInt(91)))));
Console.WriteLine(s.GetAnswer());
}
}
public void Run()
{
using (Context ctx = new Context())
{
Console.WriteLine(ctx.MkPower(ctx.MkReal(2), ctx.MkReal(1, 2)).Simplify());
ctx.UpdateParamValue(":pp-decimal-precision", "50");
ctx.UpdateParamValue(":pp-decimal", "true");
Console.WriteLine(ctx.MkPower(ctx.MkReal(2), ctx.MkReal(1, 2)).Simplify());
ctx.UpdateParamValue(":pp-decimal-precision", "20");
Console.WriteLine(ctx.MkPower(ctx.MkReal(2), ctx.MkReal(1, 2)).Simplify());
}
}
public void Run()
{
Dictionary<string, string> cfg = new Dictionary<string, string>() {
{ "AUTO_CONFIG", "true" } };
using (Context ctx = new Context(cfg))
{
try
{
Expr n = ctx.MkReal("1/0");
Console.WriteLine(n);
}
catch (Z3Exception ex)
{
Console.WriteLine("failed: " + ex.Message);
}
ctx.UpdateParamValue("PP_BOUNDED", "true");
Console.WriteLine("done");
}
}
public void Run()
{
using (Context ctx = new Context())
{
RealExpr x = ctx.MkRealConst("x");
RealExpr y = ctx.MkRealConst("y");
Solver s = ctx.Then(ctx.MkTactic("simplify"), ctx.MkTactic("nlsat")).Solver;
s.Assert(ctx.MkEq(ctx.MkPower(x, ctx.MkReal(2)), ctx.MkReal(2)),
ctx.MkEq(ctx.MkPower(y, ctx.MkReal(3)), ctx.MkAdd(x, ctx.MkReal(1))));
Console.WriteLine(s.Check());
ctx.UpdateParamValue(":pp-decimal", "true");
Console.WriteLine(s.Model);
Console.WriteLine(s.Statistics);
foreach (string k in s.Statistics.Keys)
Console.WriteLine(k);
Console.WriteLine("NLSAT stages: " + s.Statistics["nlsat stages"].Value);
Console.WriteLine("NLSAT propagations: " + s.Statistics["nlsat propagations"].Value);
}
}
public void Run()
{
using (Context ctx = new Context())
{
this.ctx = ctx;
ctx.UpdateParamValue("DL_GENERATE_EXPLANATIONS", "true");
red_car = new Car(false, 2, 2, 3, "red");
cars = new Car[]{
new Car(true, 0, 3, 0, "yellow"),
new Car(false, 3, 3, 0, "blue"),
new Car(false, 5, 2, 0, "brown"),
new Car(false, 0, 2, 1, "lgreen"),
new Car(true, 1, 2, 1, "light blue"),
new Car(true, 2, 2, 1, "pink"),
new Car(true, 2, 2, 4, "dark green"),
red_car,
new Car(true, 3, 2, 3, "purple"),
new Car(false, 5, 2, 3, "light yellow"),
new Car(true, 4, 2, 0, "orange"),
new Car(false, 4, 2, 4, "black"),
new Car(true, 5, 3, 1, "light purple")
};
this.num_cars = cars.Length;
this.B = ctx.MkBoolSort();
this.bv3 = ctx.MkBitVecSort(3);
List<Sort> domain = new List<Sort>();
foreach (var c in cars) domain.Add(bv3);
this.state = ctx.MkFuncDecl("state", domain.ToArray(), B);
this.fp = ctx.MkFixedpoint();
this.fp.RegisterRelation(state);
// Initial state:
Expr[] args = new Expr[num_cars];
for (int i = 0; i < num_cars; ++i) args[i] = num(cars[i].start);
fp.AddRule((BoolExpr)state[args]);
// Transitions:
for (int pos = 0; pos < num_cars; ++pos)
{
Car car = cars[pos];
for (int i = 0; i < dimension; ++i)
if (car.is_vertical)
{
move_down(i, pos, car);
move_up(i, pos, car);
}
else
{
move_left(i, pos, car);
move_right(i, pos, car);
}
}
// Print the current context:
Console.WriteLine("{0}", fp);
// Prepare the query:
for (int i = 0; i < num_cars; ++i) args[i] = (cars[i] == red_car) ? num(4) : bound(i);
BoolExpr goal = (BoolExpr)state[args];
fp.Query(goal);
// Extract a path:
get_instructions(fp.GetAnswer());
}
}
public void Run()
{
using (Context ctx = new Context())
{
RealExpr x = ctx.MkRealConst("x");
RealExpr y = ctx.MkRealConst("y");
RealExpr z = ctx.MkRealConst("z");
IntExpr a = ctx.MkIntConst("a");
IntExpr b = ctx.MkIntConst("b");
IntExpr c = ctx.MkIntConst("c");
ctx.UpdateParamValue(":pp-flat-assoc", "false");
Console.WriteLine(ctx.MkAdd(x, y, ctx.MkInt2Real(a)));
Console.WriteLine(ctx.MkAdd(x, ctx.MkReal(1)));
Console.WriteLine(ctx.MkAdd(ctx.MkReal(2), y));
Console.WriteLine(ctx.MkMul(x, y));
Console.WriteLine(ctx.MkAdd(ctx.MkInt(2), ctx.MkInt(3)));
Console.WriteLine(ctx.MkMul(ctx.MkReal(2), x));
Console.WriteLine(ctx.MkAdd(ctx.MkInt2Real((IntExpr)ctx.MkAdd(ctx.MkInt(2), ctx.MkInt(3))), x));
Console.WriteLine(ctx.MkAdd((RealExpr)ctx.MkInt2Real((IntExpr)ctx.MkAdd(ctx.MkInt(2), ctx.MkInt(3))).Simplify(), x));
Console.WriteLine(ctx.MkAdd(a, b, ctx.MkInt(1)));
Console.WriteLine(ctx.MkDiv(x, y));
Console.WriteLine(ctx.MkDiv(x, ctx.MkReal(2)));
Console.WriteLine(ctx.MkDiv(ctx.MkReal(2), y));
Console.WriteLine(ctx.MkDiv(a, ctx.MkInt(2)));
Console.WriteLine(ctx.MkDiv(ctx.MkAdd(a, b), ctx.MkInt(2)));
Console.WriteLine(ctx.MkDiv(ctx.MkInt(3), a));
Console.WriteLine(ctx.MkMod(a, b));
Console.WriteLine(ctx.MkMod(a, ctx.MkInt(2)));
Console.WriteLine(ctx.MkMod(ctx.MkInt(3), a));
Console.WriteLine(ctx.MkSub(a, ctx.MkInt(2)));
Console.WriteLine(ctx.MkUnaryMinus(a));
Console.WriteLine(ctx.MkUnaryMinus(x));
Console.WriteLine(ctx.MkSub(a, b));
Console.WriteLine(a.IsAdd);
Console.WriteLine(ctx.MkAdd(a, b).IsAdd);
Console.WriteLine(ctx.MkSub(a, b).IsAdd);
Console.WriteLine(ctx.MkInt(10).IsAdd);
Console.WriteLine(ctx.MkMul(a, b).IsMul);
Console.WriteLine(ctx.MkMul(x, ctx.MkInt2Real(b)).IsMul);
Console.WriteLine(ctx.MkAdd(a, b).IsMul);
Console.WriteLine(ctx.MkDiv(a, ctx.MkInt(2)).IsDiv);
Console.WriteLine(ctx.MkDiv(ctx.MkReal(3), x).IsDiv);
Console.WriteLine(ctx.MkDiv(x,y).IsDiv);
Console.WriteLine(ctx.MkDiv(a, ctx.MkInt(2)).IsIDiv);
Console.WriteLine(ctx.MkAdd(ctx.MkInt(2), ctx.MkInt(3)).Simplify().IsAdd);
Console.WriteLine();
Console.WriteLine(a is ArithExpr);
Console.WriteLine(ctx.MkInt(2) is ArithExpr);
Console.WriteLine(ctx.MkAdd(a, b) is ArithExpr);
Console.WriteLine(ctx.MkBoolConst("p") is ArithExpr);
Console.WriteLine(ctx.MkInt(2) is IntNum);
Console.WriteLine(ctx.MkInt(2) is RatNum);
Console.WriteLine(ctx.MkReal(2, 3));
Console.WriteLine(ctx.MkReal(2, 3).IsReal);
Console.WriteLine(ctx.MkReal(2, 3) is ArithExpr);
Console.WriteLine(ctx.MkReal(2, 3).IsConst);
Console.WriteLine(ctx.MkReal(2, 3).Simplify() is RatNum);
Console.WriteLine(ctx.MkReal(2, 3).Simplify().IsRatNum);
Console.WriteLine(ctx.MkPower(ctx.MkReal(2), ctx.MkReal(1, 2)).Simplify().IsAlgebraicNumber);
Console.WriteLine(ctx.MkPower(ctx.MkReal(2), ctx.MkReal(1, 2)).Simplify() is AlgebraicNum);
Console.WriteLine(ctx.MkPower(ctx.MkReal(2), ctx.MkReal(1, 2)).IsAlgebraicNumber);
Console.WriteLine(ctx.MkPower(ctx.MkReal(2), ctx.MkReal(1, 2)) is AlgebraicNum);
Console.WriteLine(ctx.MkPower(ctx.MkReal(2), ctx.MkReal(1, 2)));
Console.WriteLine(ctx.MkPower(ctx.MkReal(2), ctx.MkReal(1, 3)));
}
}