2%sint63
     : int
2
     : int
-3
     : int
4611686018427387903
     : int
-4611686018427387904
     : int
427
     : int
427
     : int
427
     : int
427
     : int
427
     : int
File "./output/Sint63NumberSyntax.v", line 14, characters 11-17:
The command has indeed failed with message:
Cannot interpret this number as a value of type int
File "./output/Sint63NumberSyntax.v", line 15, characters 11-17:
The command has indeed failed with message:
Cannot interpret this number as a value of type int
0
     : int
0
     : int
File "./output/Sint63NumberSyntax.v", line 18, characters 12-14:
The command has indeed failed with message:
The reference xg was not found in the current environment.
File "./output/Sint63NumberSyntax.v", line 19, characters 12-14:
The command has indeed failed with message:
The reference xG was not found in the current environment.
File "./output/Sint63NumberSyntax.v", line 20, characters 13-15:
The command has indeed failed with message:
The reference x1 was not found in the current environment.
File "./output/Sint63NumberSyntax.v", line 21, characters 12-13:
The command has indeed failed with message:
The reference x was not found in the current environment.
2 + 2
     : int
File "./output/Sint63NumberSyntax.v", line 23, characters 11-30:
The command has indeed failed with message:
Cannot interpret this number as a value of type int
File "./output/Sint63NumberSyntax.v", line 24, characters 11-31:
The command has indeed failed with message:
Cannot interpret this number as a value of type int
0x1%uint63
     : int
0x7fffffffffffffff%uint63
     : int
2
     : nat
2%sint63
     : int
t = 2%si63
     : int
File "./output/Sint63NumberSyntax.v", line 37, characters 0-36:
Warning: Hiding binding of key sint63 to sint63_scope
[hiding-delimiting-key,parsing,default]
t = 2%si63
     : int
2
     : nat
2
     : int
File "./output/Sint63NumberSyntax.v", line 43, characters 0-39:
Warning: Hiding binding of key sint63 to nat_scope
[hiding-delimiting-key,parsing,default]
(2 + 2)%sint63
     : int
2 + 2
     : int
     = 4
     : int
     = 37151199385380486
     : int
