GPU_PTX IRWIW+membar.gl+po-p0::p1::p2:p3-xgyg
"Rf-c-g Mgl-d-Rg-Wg Ws-c-g Rf-w-g Po-d-Rg-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 | mov.s32 r2, 1      ;
                    | mov.s32 r2, 1      |                    | st.cg.s32 [r3], r2 ;
                    | st.cg.s32 [r3], r2 |                    |                    ;

exists (0::x=2 /\ 1::y=2 /\ 1:r0=2 /\ 3:r0=2)
(device (kernel (cta (warp P0)) (cta (warp P1)) (cta (warp P2) (warp P3))))
x:global; y:global
Generated assembler
//START _litmus_P3
	ld.cg.s32 sr03, [sr13] ;
	mov.s32 sr23, 1 ;
	st.cg.s32 [sr33], sr23 ;
//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/dir13b95d.tmp/IRWIW+membar.gl+po-p0::p1::p2:p3-xgyg-0.exe' successfully loaded
Specification clusters: 4
Specification: [[(761, 3, 'R0'), (762, 2, 'R12')], [(814, 2, 'R8')], [(873, 3, 'R0'), (874, 2, 'R10')], [(932, 2, 'R8')]]
Cluster 0: OK
Cluster 1: OK
Cluster 2: OK
Cluster 3: OK
!!SUCCESS!!
Test IRWIW+membar.gl+po-p0::p1::p2:p3-xgyg Allowed
Histogram (27 states)
694   :>1:r0=0; 3:r0=0; 0::x=1; 1::y=1;
3549  :>1:r0=1; 3:r0=0; 0::x=1; 1::y=1;
900   :>1:r0=2; 3:r0=0; 0::x=1; 1::y=1;
441   :>1:r0=0; 3:r0=1; 0::x=1; 1::y=1;
134   :>1:r0=2; 3:r0=1; 0::x=1; 1::y=1;
1638  :>1:r0=0; 3:r0=2; 0::x=1; 1::y=1;
3987  :>1:r0=1; 3:r0=2; 0::x=1; 1::y=1;
1888  :>1:r0=2; 3:r0=2; 0::x=1; 1::y=1;
2781  :>1:r0=0; 3:r0=0; 0::x=2; 1::y=1;
8388  :>1:r0=1; 3:r0=0; 0::x=2; 1::y=1;
7947  :>1:r0=2; 3:r0=0; 0::x=2; 1::y=1;
390   :>1:r0=0; 3:r0=1; 0::x=2; 1::y=1;
3699  :>1:r0=0; 3:r0=2; 0::x=2; 1::y=1;
5492  :>1:r0=1; 3:r0=2; 0::x=2; 1::y=1;
5122  :>1:r0=2; 3:r0=2; 0::x=2; 1::y=1;
231   :>1:r0=0; 3:r0=0; 0::x=1; 1::y=2;
48    :>1:r0=1; 3:r0=0; 0::x=1; 1::y=2;
150   :>1:r0=2; 3:r0=0; 0::x=1; 1::y=2;
407   :>1:r0=0; 3:r0=1; 0::x=1; 1::y=2;
89    :>1:r0=2; 3:r0=1; 0::x=1; 1::y=2;
429   :>1:r0=0; 3:r0=2; 0::x=1; 1::y=2;
107   :>1:r0=2; 3:r0=2; 0::x=1; 1::y=2;
660   :>1:r0=0; 3:r0=0; 0::x=2; 1::y=2;
174   :>1:r0=1; 3:r0=0; 0::x=2; 1::y=2;
29    :>1:r0=2; 3:r0=0; 0::x=2; 1::y=2;
418   :>1:r0=0; 3:r0=1; 0::x=2; 1::y=2;
208   :>1:r0=0; 3:r0=2; 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+po-p0::p1::p2:p3-xgyg Never 0 50000
Time IRWIW+membar.gl+po-p0::p1::p2:p3-xgyg 5.28

  -- 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+po-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 */