Unexpected error (Invalid_argument("Z.shift_left: count argument must be positive"))

ID0002201: This issue was created automatically from Mantis Issue 2201. Further discussion may take place here.

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Id	Project	Category	View	Due Date	Updated
ID0002201	Frama-C	Plug-in > wp	public	2016-01-22	2016-06-21

Reporter	rcl	Assigned To	correnson	Resolution	fixed
Priority	normal	Severity	minor	Reproducibility	always
Platform	Linux	OS	Ubuntu	OS Version	14.04
Product Version	Frama-C Sodium	Target Version	-	Fixed in Version	Frama-C Aluminium

Description :

With the help of a custom csmith variant, a program was discovered that causes an unexpected error in the wp plugin. The following program is a reduced minimal example of the failing program discovered by csmith:

/*@ assigns \nothing; */
int main()
{
    int foo = 1;
    1 & (foo & 0x80000000000001LL) << 1;
    return 0;
}

The crash message is:

     Raised at file "src/wp/register.ml", line 579, characters 30-32
     Called from file "queue.ml", line 134, characters 6-20
     Called from file "src/kernel/boot.ml", line 37, characters 4-20
     Called from file "src/kernel/cmdline.ml", line 763, characters 2-9
     Called from file "src/kernel/cmdline.ml", line 216, characters 4-8
     
     Unexpected error (Invalid_argument("Z.shift_left: count argument must be positive")).
     Please report as 'crash' at http://bts.frama-c.com/.
     Your Frama-C version is Sodium-20150201.

Steps To Reproduce :

Save the aforementioned program into a file named test.c, then execute

frama-c -wp test.c

to cause the crash.

Attachments

• test.c