GPU_PTX WRW+WR+ctrl+membar.gl-p0:p2::p1-xgyg
"Rf-c-g Ctrl-d-g-Wg Ws-c-g Mgl-d-Wg-Rg Fr-w-g"

{}

 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 ;
                    | setp.eq.b32 p1, r2, 0     | membar.gl          ;
                    | @p1 bra LC00              | ld.cg.s32 r2, [r3] ;
                    | mov.s64 r4, 3494          |                    ;
                    | LC00:                     |                    ;
                    | mov.s32 r3, 1             |                    ;
                    | st.cg.s32 [r4], r3        |                    ;

exists (1::y=2 /\ 1:r0=1 /\ 2:r2=0)
(device (kernel (cta (warp P0) (warp P2)) (cta (warp P1))))
x:global; y:global
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 ;
	setp.eq.b32 sp11, sr21, 0 ;
	@sp11 bra LC00 ;
	mov.s64 sr41, 3494 ;
LC00:
	mov.s32 sr31, 1 ;
	st.cg.s32 [sr41], sr31 ;
//START _litmus_P0
	mov.s32 sr00, 1 ;
	st.cg.s32 [sr10], sr00 ;

Binary '/tmp/diredb27d.tmp/WRW+WR+ctrl+membar.gl-p0:p2::p1-xgyg-0.exe' successfully loaded
Specification clusters: 3
Specification: [[(448, 2, 'R8'), (451, 3, 'R0')], [(509, 3, 'R0'), (506, 2, 'R8')], [(554, 2, 'R8')]]
Cluster 0: OK
Cluster 1: OK
Cluster 2: OK
!!SUCCESS!!
Test WRW+WR+ctrl+membar.gl-p0:p2::p1-xgyg Allowed
Histogram (7 states)
530   :>1:r0=0; 2:r2=0; 1::y=1;
5     :>1:r0=1; 2:r2=0; 1::y=1;
22643 :>1:r0=0; 2:r2=1; 1::y=1;
17326 :>1:r0=1; 2:r2=1; 1::y=1;
1     :>1:r0=0; 2:r2=0; 1::y=2;
6972  :>1:r0=0; 2:r2=1; 1::y=2;
2523  :>1:r0=1; 2:r2=1; 1::y=2;
No

Witnesses
Positive: 0, Negative: 50000
Condition exists (1::y=2 /\ 1:r0=1 /\ 2:r2=0) is NOT validated
Observation WRW+WR+ctrl+membar.gl-p0:p2::p1-xgyg Never 0 50000
Time WRW+WR+ctrl+membar.gl-p0:p2::p1-xgyg 20.96

  -- device info --
Name:                           Tesla C2075
Major revision number:          2
Minor revision number:          0
Total global memory:            5636554752
Total shared memory per block:  49152
Number of multiprocessors:      14

Machine: fractus
Revision 1365M, version 5.01 GPU_PTX experimental backend
Command line: ./litmus -mach TeslaC2075.cfg -a 8 -gpu-verf-comp true big_bucket2/WRW+WR+ctrl+membar.gl-p0:p2::p1-xgyg-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_20 */
/* 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: 12 */
/* gpu_min_ctas: 9 */
/* gpu_max_threads: 512 */
/* gpu_min_threads: 128 */