GPU_PTX Z6.4+membar.cta+membar.cta+po-p0::p1:p2-xgygzg
"Mcta-d-Wg-Wg Ws-c-g Mcta-d-Wg-Rg Fr-w-g Po-d-Wg-Rg Fr-c-g"

{}

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

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

Binary '/tmp/dir9339e0.tmp/Z6.4+membar.cta+membar.cta+po-p0::p1:p2-xgygzg-0.exe' successfully loaded
Specification clusters: 3
Specification: [[(622, 2, 'R8'), (625, 3, 'R4')], [(678, 2, 'R8'), (679, 3, 'R4')], [(734, 2, 'R8'), (737, 2, 'R12')]]
Cluster 0: OK
Cluster 1: OK
Cluster 2: OK
!!SUCCESS!!
Test Z6.4+membar.cta+membar.cta+po-p0::p1:p2-xgygzg Allowed
Histogram (8 states)
1014  :>1:r2=0; 2:r2=0; 0::y=1;
11550 :>1:r2=1; 2:r2=0; 0::y=1;
8814  :>1:r2=0; 2:r2=1; 0::y=1;
19731 :>1:r2=1; 2:r2=1; 0::y=1;
3     *>1:r2=0; 2:r2=0; 0::y=2;
784   :>1:r2=1; 2:r2=0; 0::y=2;
689   :>1:r2=0; 2:r2=1; 0::y=2;
7415  :>1:r2=1; 2:r2=1; 0::y=2;
Ok

Witnesses
Positive: 3, Negative: 49997
Condition exists (0::y=2 /\ 1:r2=0 /\ 2:r2=0) is validated
Observation Z6.4+membar.cta+membar.cta+po-p0::p1:p2-xgygzg Sometimes 3 49997
Time Z6.4+membar.cta+membar.cta+po-p0::p1:p2-xgygzg 20.23

  -- device info --
Name:                           GeForce GTX TITAN
Major revision number:          3
Minor revision number:          5
Total global memory:            6442123264
Total shared memory per block:  49152
Number of multiprocessors:      14

Machine: formal
Revision 1383, version 5.01 GPU_PTX experimental backend
Command line: ./litmus -mach GTXTitan.cfg -a 8 -gpu-verf-comp true big_bucket/Z6.4+membar.cta+membar.cta+po-p0::p1:p2-xgygzg-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_35 */
/* 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: 14 */
/* gpu_min_ctas: 10 */
/* gpu_max_threads: 512 */
/* gpu_min_threads: 128 */