GPU_PTX WRW+WR+data+membar.gl-p0:p1:p2-xgys
"Rf-w-gl2l2 Data-d-gl2-Wsl2 Ws-w-sl2l2 Mgl-d-Wsl2-Rgl2 Fr-w-gl2l2"

{}

 P0                 | P1                        | P2                 ;
 mov.s32 r0, 1      | ld.cg.s32 r0, [r1]        | mov.s32 r0, 2      ;
 st.cg.s32 [r1], r0 | and.b32 r2, r0 2147483648 | st.cg.s32 [r1], r0 ;
                    | add.s32 r2, r2 1          | membar.gl          ;
                    | st.cg.s32 [r3], r2        | ld.cg.s32 r2, [r3] ;

exists (1::y=2 /\ 1:r0=1 /\ 2:r2=0)
(device (kernel (cta (warp P0) (warp P1) (warp P2))))
x:global; y:local
Generated assembler
//START _litmus_P2
	mov.s32 sr02, 2 ;
	st.cg.s32 [sr12], sr02 ;
	membar.gl ;
	ld.cg.s32 sr22, [sr32] ;
//START _litmus_P1
	ld.cg.s32 sr01, [sr11] ;
	and.b32 sr21, sr01, 2147483648 ;
	add.s32 sr21, sr21, 1 ;
	st.cg.s32 [sr31], sr21 ;
//START _litmus_P0
	mov.s32 sr00, 1 ;
	st.cg.s32 [sr10], sr00 ;

Binary '/tmp/dir86ee41.tmp/WRW+WR+data+membar.gl-p0:p1:p2-xgys-0.exe' successfully loaded
Specification clusters: 3
Specification: [[(510, 2, 'R8'), (511, 3, 'R4')], [(567, 3, 'R4'), (566, 2, 'R12')], [(610, 2, 'R10')]]
Cluster 0: OK
Cluster 1: OK
Cluster 2: OK
!!SUCCESS!!
Test WRW+WR+data+membar.gl-p0:p1:p2-xgys Allowed
Histogram (4 states)
44694 :>1:r0=0; 2:r2=1; 1::y=1;
47631 :>1:r0=1; 2:r2=1; 1::y=1;
5098  :>1:r0=0; 2:r2=1; 1::y=2;
2577  :>1:r0=1; 2:r2=1; 1::y=2;
No

Witnesses
Positive: 0, Negative: 100000
Condition exists (1::y=2 /\ 1:r0=1 /\ 2:r2=0) is NOT validated
Observation WRW+WR+data+membar.gl-p0:p1:p2-xgys Never 0 100000
Time WRW+WR+data+membar.gl-p0:p1:p2-xgys 32.22

  -- device info --
Name:                           GeForce GTX 660
Major revision number:          3
Minor revision number:          0
Total global memory:            2147155968
Total shared memory per block:  49152
Number of multiprocessors:      5

Machine: csu8975
Revision 967, version 5.01 GPU_PTX experimental backend
Command line: ./litmus -gpu -ccopts -arch=sm_30 -gpu-max-ctas 8 -gpu-min-ctas 4 tests-sm30/WRW+WR+data+membar.gl-p0:p1:p2-xgys-0.litmus
Parameters
#ifndef SIZE_OF_TEST
#define SIZE_OF_TEST 100000
#endif
#ifndef NUMBER_OF_RUN
#define NUMBER_OF_RUN 1
#endif
/* cc options: -arch=sm_30 */
/* 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: 8 */
/* gpu_min_ctas: 4 */
/* gpu_max_threads: 512 */
/* gpu_min_threads: 128 */