GPU_PTX WRW+2W+membar.ctas-p0::p1:p2-xgys
"Rf-c-g Mcta-d-Rg-Ws Ws-w-s Mcta-d-Ws-Wg Ws-c-g"

{}

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

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

Binary '/tmp/dir3adce4.tmp/WRW+2W+membar.ctas-p0::p1:p2-xgys-0.exe' successfully loaded
Specification clusters: 3
Specification: [[(570, 2, 'R10'), (572, 2, 'R12')], [(625, 3, 'R4'), (622, 2, 'R10')], [(668, 2, 'R10')]]
Cluster 0: OK
Cluster 1: OK
Cluster 2: OK
!!SUCCESS!!
Test WRW+2W+membar.ctas-p0::p1:p2-xgys Allowed
Histogram (9 states)
9867  :>1:r0=0; 0::x=1; 1::y=1;
4651  :>1:r0=1; 0::x=1; 1::y=1;
12960 :>1:r0=2; 0::x=1; 1::y=1;
3047  :>1:r0=0; 0::x=2; 1::y=1;
4959  :>1:r0=1; 0::x=2; 1::y=1;
2343  :>1:r0=2; 0::x=2; 1::y=1;
7745  :>1:r0=0; 0::x=1; 1::y=2;
4012  :>1:r0=2; 0::x=1; 1::y=2;
416   :>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+membar.ctas-p0::p1:p2-xgys Never 0 50000
Time WRW+2W+membar.ctas-p0::p1:p2-xgys 5.39

  -- device info --
Name:                           GeForce GT 540M
Major revision number:          2
Minor revision number:          1
Total global memory:            1072889856
Total shared memory per block:  49152
Number of multiprocessors:      2

Machine: DeepThought3
Revision 1371, version 5.01 GPU_PTX experimental backend
Command line: ./litmus -mach GTX540m.cfg -a 8 -gpu-verf-comp true big_bucket/WRW+2W+membar.ctas-p0::p1:p2-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_21 */
/* 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: 4 */
/* gpu_min_ctas: 4 */
/* gpu_max_threads: 128 */
/* gpu_min_threads: 128 */