2%sint63
     : int
2
     : int
-3
     : int
4611686018427387903
     : int
-4611686018427387904
     : int
427
     : int
427
     : int
427
     : int
427
     : int
427
     : int
The command has indeed failed with message:
Cannot interpret this number as a value of type int
The command has indeed failed with message:
Cannot interpret this number as a value of type int
0
     : int
0
     : int
The command has indeed failed with message:
The reference xg was not found in the current environment.
The command has indeed failed with message:
The reference xG was not found in the current environment.
The command has indeed failed with message:
The reference x1 was not found in the current environment.
The command has indeed failed with message:
The reference x was not found in the current environment.
2 + 2
     : int
The command has indeed failed with message:
Cannot interpret this number as a value of type int
The command has indeed failed with message:
Cannot interpret this number as a value of type int
0x1%int63
     : int
0x7fffffffffffffff%int63
     : int
2
     : nat
2%sint63
     : int
t = 2%si63
     : int
t = 2%si63
     : int
2
     : nat
2
     : int
(2 + 2)%sint63
     : int
2 + 2
     : int
     = 4
     : int
     = 37151199385380486
     : int