GPU_PTX Z6.0+membar.gl+po+po-p0:p1:p2-xsyszg
"Mgl-d-Ws-Ws Rf-w-s Po-d-Rs-Wg Ws-w-g Po-d-Wg-Rs Fr-w-s"

{}

 P0                 | P1                 | P2                 ;
 mov.s32 r0, 1      | ld.cg.s32 r0, [r1] | mov.s32 r0, 2      ;
 st.cg.s32 [r1], r0 | mov.s32 r2, 1      | st.cg.s32 [r1], r0 ;
 membar.gl          | st.cg.s32 [r3], r2 | ld.cg.s32 r2, [r3] ;
 mov.s32 r2, 1      |                    |                    ;
 st.cg.s32 [r3], r2 |                    |                    ;

exists (1::z=2 /\ 1:r0=1 /\ 2:r2=0)
(device (kernel (cta (warp P0) (warp P1) (warp P2))))
x:local; y:local; z:global
Generated assembler
//START _litmus_P2
	mov.s32 sr02, 2 ;
	st.cg.s32 [sr12], sr02 ;
	ld.cg.s32 sr22, [sr32] ;
//START _litmus_P1
	ld.cg.s32 sr01, [sr11] ;
	mov.s32 sr21, 1 ;
	st.cg.s32 [sr31], sr21 ;
//START _litmus_P0
	mov.s32 sr00, 1 ;
	st.cg.s32 [sr10], sr00 ;
	membar.gl ;
	mov.s32 sr20, 1 ;
	st.cg.s32 [sr30], sr20 ;

Binary '/tmp/dir414ffc.tmp/Z6.0+membar.gl+po+po-p0:p1:p2-xsyszg-0.exe' successfully loaded
Specification clusters: 3
Specification: [[(848, 2, 'R10'), (847, 3, 'R0')], [(924, 3, 'R0'), (922, 2, 'R12')], [(1009, 2, 'R8'), (1011, 2, 'R10')]]
Cluster 0: OK
Cluster 1: OK
Cluster 2: OK
!!SUCCESS!!
Test Z6.0+membar.gl+po+po-p0:p1:p2-xsyszg Allowed
Histogram (8 states)
9840  :>1:r0=0; 2:r2=0; 1::z=1;
1146  :>1:r0=1; 2:r2=0; 1::z=1;
5598  :>1:r0=0; 2:r2=1; 1::z=1;
1804  :>1:r0=1; 2:r2=1; 1::z=1;
8990  :>1:r0=0; 2:r2=0; 1::z=2;
28    *>1:r0=1; 2:r2=0; 1::z=2;
21240 :>1:r0=0; 2:r2=1; 1::z=2;
1354  :>1:r0=1; 2:r2=1; 1::z=2;
Ok

Witnesses
Positive: 28, Negative: 49972
Condition exists (1::z=2 /\ 1:r0=1 /\ 2:r2=0) is validated
Observation Z6.0+membar.gl+po+po-p0:p1:p2-xsyszg Sometimes 28 49972
Time Z6.0+membar.gl+po+po-p0:p1:p2-xsyszg 4.39

  -- 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/Z6.0+membar.gl+po+po-p0:p1:p2-xsyszg-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 */