GPU_PTX WRW+2W+ctrl+membar.gl-p0:p2::p1-xgyg
"Rf-c-g Ctrl-d-g-Wg Ws-c-g Mgl-d-Wg-Wg Ws-w-g"

{}

 P0                 | P1                        | P2                 ;
 mov.s32 r0, 2      | ld.cg.s32 r0, [r1]        | mov.s32 r0, 2      ;
 st.cg.s32 [r1], r0 | and.b32 r2, r0 2147483648 | st.cg.s32 [r1], r0 ;
                    | setp.eq.b32 p3, r2, 0     | membar.gl          ;
                    | @p3 bra LC00              | mov.s32 r2, 1      ;
                    | mov.s64 r4, 3494          | st.cg.s32 [r3], r2 ;
                    | LC00:                     |                    ;
                    | mov.s32 r3, 1             |                    ;
                    | st.cg.s32 [r4], r3        |                    ;

exists (0::x=2 /\ 1::y=2 /\ 1:r0=2)
(device (kernel (cta (warp P0) (warp P2)) (cta (warp P1))))
x:global; y:global
Generated assembler
//START _litmus_P2
	mov.s32 sr02, 2 ;
	st.cg.s32 [sr12], sr02 ;
	membar.gl ;
	mov.s32 sr22, 1 ;
	st.cg.s32 [sr32], sr22 ;
//START _litmus_P1
	ld.cg.s32 sr01, [sr11] ;
	and.b32 sr21, sr01, 2147483648 ;
	setp.eq.b32 sp31, sr21, 0 ;
	@sp31 bra LC00 ;
	mov.s64 sr41, 3494 ;
LC00:
	mov.s32 sr31, 1 ;
	st.cg.s32 [sr41], sr31 ;
//START _litmus_P0
	mov.s32 sr00, 2 ;
	st.cg.s32 [sr10], sr00 ;

Binary '/tmp/dir7af8e2.tmp/WRW+2W+ctrl+membar.gl-p0:p2::p1-xgyg-0.exe' successfully loaded
Specification clusters: 3
Specification: [[(665, 2, 'R12'), (667, 2, 'R8')], [(735, 3, 'R0'), (736, 2, 'R12')], [(797, 2, 'R8')]]
Cluster 0: OK
Cluster 1: OK
Cluster 2: OK
!!SUCCESS!!
Test WRW+2W+ctrl+membar.gl-p0:p2::p1-xgyg Allowed
Histogram (9 states)
10233 :>1:r0=0; 0::x=1; 1::y=1;
17913 :>1:r0=1; 0::x=1; 1::y=1;
13400 :>1:r0=2; 0::x=1; 1::y=1;
597   :>1:r0=0; 0::x=2; 1::y=1;
284   :>1:r0=1; 0::x=2; 1::y=1;
331   :>1:r0=2; 0::x=2; 1::y=1;
5659  :>1:r0=0; 0::x=1; 1::y=2;
1465  :>1:r0=2; 0::x=1; 1::y=2;
118   :>1:r0=0; 0::x=2; 1::y=2;
No

Witnesses
Positive: 0, Negative: 50000
Condition exists (0::x=2 /\ 1::y=2 /\ 1:r0=2) is NOT validated
Observation WRW+2W+ctrl+membar.gl-p0:p2::p1-xgyg Never 0 50000
Time WRW+2W+ctrl+membar.gl-p0:p2::p1-xgyg 4.95

  -- 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/WRW+2W+ctrl+membar.gl-p0:p2::p1-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 */