GPU_PTX IRRWIW+po+addr-p0:p1:p2:p3-xgys
"Rf-w-g Po-d-Rg-Rs Fr-w-s Rf-w-s Addr-d-s-Wg Ws-w-g"

{}

 P0                 | P1                 | P2                 | P3                        ;
 mov.s32 r0, 2      | ld.cg.s32 r0, [r1] | mov.s32 r0, 1      | ld.cg.s32 r0, [r1]        ;
 st.cg.s32 [r1], r0 | ld.cg.s32 r2, [r3] | st.cg.s32 [r1], r0 | and.b32 r2, r0 2147483648 ;
                    |                    |                    | cvt.u64.u32 r3, r2        ;
                    |                    |                    | mov.s32 r4, 1             ;
                    |                    |                    | add.u64 r5, r5 r3         ;
                    |                    |                    | st.cg.s32 [r5], r4        ;

exists (0::x=2 /\ 1:r0=2 /\ 1:r2=0 /\ 3:r0=1)
(device (kernel (cta (warp P0) (warp P1) (warp P2) (warp P3))))
x:global; y:local
Generated assembler
//START _litmus_P3
	ld.cg.s32 sr03, [sr13] ;
	and.b32 sr23, sr03, 2147483648 ;
	cvt.u64.u32 sr33, sr23 ;
	mov.s32 sr43, 1 ;
	add.u64 sr53, sr53, sr33 ;
	st.cg.s32 [sr53], sr43 ;
//START _litmus_P2
	mov.s32 sr02, 1 ;
	st.cg.s32 [sr12], sr02 ;
//START _litmus_P1
	ld.cg.s32 sr01, [sr11] ;
	ld.cg.s32 sr21, [sr31] ;
//START _litmus_P0
	mov.s32 sr00, 2 ;
	st.cg.s32 [sr10], sr00 ;

Binary '/tmp/direba57f.tmp/IRRWIW+po+addr-p0:p1:p2:p3-xgys-0.exe' successfully loaded
Specification clusters: 4
Specification: [[(645, 3, 'R4'), (643, 2, 'R8')], [(688, 2, 'R10')], [(734, 3, 'R5'), (732, 3, 'R4')], [(779, 2, 'R10')]]
Cluster 0: OK
Cluster 1: OK
Cluster 2: OK
Cluster 3: OK
!!SUCCESS!!
Test IRRWIW+po+addr-p0:p1:p2:p3-xgys Allowed
Histogram (24 states)
3338  :>1:r0=0; 1:r2=0; 3:r0=0; 0::x=1;
3254  :>1:r0=1; 1:r2=0; 3:r0=0; 0::x=1;
4894  :>1:r0=2; 1:r2=0; 3:r0=0; 0::x=1;
2627  :>1:r0=0; 1:r2=1; 3:r0=0; 0::x=1;
6054  :>1:r0=1; 1:r2=1; 3:r0=0; 0::x=1;
4835  :>1:r0=2; 1:r2=1; 3:r0=0; 0::x=1;
1224  :>1:r0=0; 1:r2=0; 3:r0=1; 0::x=1;
19    :>1:r0=1; 1:r2=0; 3:r0=1; 0::x=1;
1448  :>1:r0=2; 1:r2=0; 3:r0=1; 0::x=1;
3973  :>1:r0=0; 1:r2=1; 3:r0=1; 0::x=1;
255   :>1:r0=1; 1:r2=1; 3:r0=1; 0::x=1;
5765  :>1:r0=2; 1:r2=1; 3:r0=1; 0::x=1;
1507  :>1:r0=0; 1:r2=0; 3:r0=0; 0::x=2;
2155  :>1:r0=1; 1:r2=0; 3:r0=0; 0::x=2;
850   :>1:r0=2; 1:r2=0; 3:r0=0; 0::x=2;
1914  :>1:r0=0; 1:r2=1; 3:r0=0; 0::x=2;
3811  :>1:r0=1; 1:r2=1; 3:r0=0; 0::x=2;
1621  :>1:r0=2; 1:r2=1; 3:r0=0; 0::x=2;
22    :>1:r0=0; 1:r2=0; 3:r0=1; 0::x=2;
2     :>1:r0=1; 1:r2=0; 3:r0=1; 0::x=2;
3     *>1:r0=2; 1:r2=0; 3:r0=1; 0::x=2;
239   :>1:r0=0; 1:r2=1; 3:r0=1; 0::x=2;
123   :>1:r0=1; 1:r2=1; 3:r0=1; 0::x=2;
67    :>1:r0=2; 1:r2=1; 3:r0=1; 0::x=2;
Ok

Witnesses
Positive: 3, Negative: 49997
Condition exists (0::x=2 /\ 1:r0=2 /\ 1:r2=0 /\ 3:r0=1) is validated
Observation IRRWIW+po+addr-p0:p1:p2:p3-xgys Sometimes 3 49997
Time IRRWIW+po+addr-p0:p1:p2:p3-xgys 5.61

  -- device info --
Name:                           GeForce GT 540M
Major revision number:          2
Minor revision number:          1
Total global memory:            1072889856
Total shared memory per block:  49152
Number of multiprocessors:      2

Machine: DeepThought3
Revision 1371, version 5.01 GPU_PTX experimental backend
Command line: ./litmus -mach GTX540m.cfg -a 8 -gpu-verf-comp true big_bucket/IRRWIW+po+addr-p0:p1:p2:p3-xgys-0.litmus -s 50000
Parameters
#ifndef SIZE_OF_TEST
#define SIZE_OF_TEST 50000
#endif
#ifndef NUMBER_OF_RUN
#define NUMBER_OF_RUN 1
#endif
/* cc options: -arch=sm_21 */
/* barrier: user */
/* speedcheck: no */
/* gpu_general_bc: true */
/* gpu_mem_stress: true */
/* gpu-rand-threads: true */
/* gpu_cuda: true */
/* gpu_gen_addr: true */
/* gpu_cvt_global_to_gen: true */
/* gpu_cvt_shared_to_gen: true */
/* gpu_max_ctas: 4 */
/* gpu_min_ctas: 4 */
/* gpu_max_threads: 128 */
/* gpu_min_threads: 128 */