GPU_PTX IRWIW+membar.gl+ctrl-p0::p1:p2:p3-xgyg
"Rf-c-g Mgl-d-Rg-Wg Ws-w-g Rf-w-g Ctrl-d-g-Wg Ws-c-g"

{}

 P0                 | P1                 | P2                 | P3                        ;
 mov.s32 r0, 2      | ld.cg.s32 r0, [r1] | mov.s32 r0, 2      | ld.cg.s32 r0, [r1]        ;
 st.cg.s32 [r1], r0 | membar.gl          | st.cg.s32 [r1], r0 | and.b32 r2, r0 2147483648 ;
                    | mov.s32 r2, 1      |                    | setp.eq.b32 p4, r2, 0     ;
                    | st.cg.s32 [r3], r2 |                    | @p4 bra LC00              ;
                    |                    |                    | mov.s64 r4, 3494          ;
                    |                    |                    | LC00:                     ;
                    |                    |                    | mov.s32 r3, 1             ;
                    |                    |                    | st.cg.s32 [r4], r3        ;

exists (0::x=2 /\ 1::y=2 /\ 1:r0=2 /\ 3:r0=2)
(device (kernel (cta (warp P0)) (cta (warp P1) (warp P2) (warp P3))))
x:global; y:global
Generated assembler
//START _litmus_P3
	ld.cg.s32 sr03, [sr13] ;
	and.b32 sr23, sr03, 2147483648 ;
	setp.eq.b32 sp43, sr23, 0 ;
	@sp43 bra LC00 ;
	mov.s64 sr43, 3494 ;
LC00:
	mov.s32 sr33, 1 ;
	st.cg.s32 [sr43], sr33 ;
//START _litmus_P2
	mov.s32 sr02, 2 ;
	st.cg.s32 [sr12], sr02 ;
//START _litmus_P1
	ld.cg.s32 sr01, [sr11] ;
	membar.gl ;
	mov.s32 sr21, 1 ;
	st.cg.s32 [sr31], sr21 ;
//START _litmus_P0
	mov.s32 sr00, 2 ;
	st.cg.s32 [sr10], sr00 ;

Binary '/tmp/dir492823.tmp/IRWIW+membar.gl+ctrl-p0::p1:p2:p3-xgyg-0.exe' successfully loaded
Specification clusters: 4
Specification: [[(766, 3, 'R0'), (767, 2, 'R10')], [(819, 2, 'R8')], [(878, 3, 'R0'), (879, 2, 'R10')], [(937, 2, 'R8')]]
Cluster 0: OK
Cluster 1: OK
Cluster 2: OK
Cluster 3: OK
!!SUCCESS!!
Test IRWIW+membar.gl+ctrl-p0::p1:p2:p3-xgyg Allowed
Histogram (22 states)
4742  :>1:r0=0; 3:r0=0; 0::x=1; 1::y=1;
714   :>1:r0=1; 3:r0=0; 0::x=1; 1::y=1;
3650  :>1:r0=2; 3:r0=0; 0::x=1; 1::y=1;
290   :>1:r0=0; 3:r0=1; 0::x=1; 1::y=1;
34    :>1:r0=2; 3:r0=1; 0::x=1; 1::y=1;
5843  :>1:r0=0; 3:r0=2; 0::x=1; 1::y=1;
396   :>1:r0=1; 3:r0=2; 0::x=1; 1::y=1;
3836  :>1:r0=2; 3:r0=2; 0::x=1; 1::y=1;
14805 :>1:r0=0; 3:r0=0; 0::x=2; 1::y=1;
1531  :>1:r0=1; 3:r0=0; 0::x=2; 1::y=1;
245   :>1:r0=2; 3:r0=0; 0::x=2; 1::y=1;
96    :>1:r0=0; 3:r0=1; 0::x=2; 1::y=1;
12816 :>1:r0=0; 3:r0=2; 0::x=2; 1::y=1;
615   :>1:r0=1; 3:r0=2; 0::x=2; 1::y=1;
104   :>1:r0=2; 3:r0=2; 0::x=2; 1::y=1;
77    :>1:r0=0; 3:r0=0; 0::x=1; 1::y=2;
1     :>1:r0=1; 3:r0=0; 0::x=1; 1::y=2;
44    :>1:r0=2; 3:r0=0; 0::x=1; 1::y=2;
8     :>1:r0=0; 3:r0=1; 0::x=1; 1::y=2;
1     :>1:r0=0; 3:r0=2; 0::x=1; 1::y=2;
147   :>1:r0=0; 3:r0=0; 0::x=2; 1::y=2;
5     :>1:r0=0; 3:r0=1; 0::x=2; 1::y=2;
No

Witnesses
Positive: 0, Negative: 50000
Condition exists (0::x=2 /\ 1::y=2 /\ 1:r0=2 /\ 3:r0=2) is NOT validated
Observation IRWIW+membar.gl+ctrl-p0::p1:p2:p3-xgyg Never 0 50000
Time IRWIW+membar.gl+ctrl-p0::p1:p2:p3-xgyg 5.23

  -- device info --
Name:                           GeForce GTX 750 Ti
Major revision number:          5
Minor revision number:          0
Total global memory:            2147287040
Total shared memory per block:  49152
Number of multiprocessors:      5

Machine: formal
Revision 1383, version 5.01 GPU_PTX experimental backend
Command line: ./litmus -mach GTX750.cfg -a 8 -gpu-verf-comp true big_bucket/IRWIW+membar.gl+ctrl-p0::p1:p2:p3-xgyg-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_50 */
/* 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: 5 */
/* gpu_min_ctas: 4 */
/* gpu_max_threads: 256 */
/* gpu_min_threads: 128 */