GPU_PTX MP+po+ctrl-p0:p1-xgys
"Po-d-Wg-Ws Rf-w-s Ctrl-d-s-Rg Fr-w-g"

{}

 P0                 | P1                        ;
 mov.s32 r0, 1      | ld.cg.s32 r0, [r1]        ;
 st.cg.s32 [r1], r0 | and.b32 r2, r0 2147483648 ;
 mov.s32 r2, 1      | setp.eq.b32 p9, r2, 0     ;
 st.cg.s32 [r3], r2 | @p9 bra LC00              ;
                    | mov.s64 r4, 3494          ;
                    | LC00:                     ;
                    | ld.cg.s32 r3, [r4]        ;

exists (1:r0=1 /\ 1:r3=0)
(device (kernel (cta (warp P0) (warp P1))))
x:global; y:local
Generated assembler
//START _litmus_P1
	ld.cg.s32 sr01, [sr11] ;
	and.b32 sr21, sr01, 2147483648 ;
	setp.eq.b32 sp91, sr21, 0 ;
	@sp91 bra LC00 ;
	mov.s64 sr41, 3494 ;
LC00:
	ld.cg.s32 sr31, [sr41] ;
//START _litmus_P0
	mov.s32 sr00, 1 ;
	st.cg.s32 [sr10], sr00 ;
	mov.s32 sr20, 1 ;
	st.cg.s32 [sr30], sr20 ;

Binary '/tmp/dir7750c6.tmp/MP+po+ctrl-p0:p1-xgys-0.exe' successfully loaded
Specification clusters: 2
Specification: [[(636, 3, 'R0'), (637, 3, 'R4')], [(715, 2, 'R8'), (717, 2, 'R10')]]
Cluster 0: OK
Cluster 1: OK
!!SUCCESS!!
Test MP+po+ctrl-p0:p1-xgys Allowed
Histogram (4 states)
14653 :>1:r0=0; 1:r3=0;
226   *>1:r0=1; 1:r3=0;
17221 :>1:r0=0; 1:r3=1;
17900 :>1:r0=1; 1:r3=1;
Ok

Witnesses
Positive: 226, Negative: 49774
Condition exists (1:r0=1 /\ 1:r3=0) is validated
Observation MP+po+ctrl-p0:p1-xgys Sometimes 226 49774
Time MP+po+ctrl-p0:p1-xgys 2.01

  -- 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/MP+po+ctrl-p0:p1-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_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 */