GPU_PTX WWC+membar.cta+membar.gl-p0::p1:p2-xgys
"Rf-c-g Mcta-d-Rg-Ws Rf-w-s Mgl-d-Rs-Wg Ws-c-g"

{}

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

exists (0::x=2 /\ 1:r0=2 /\ 2:r0=1)
(device (kernel (cta (warp P0)) (cta (warp P1) (warp P2))))
x:global; y:local
Generated assembler
//START _litmus_P2
	ld.cg.s32 sr02, [sr12] ;
	membar.gl ;
	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/dirad8576.tmp/WWC+membar.cta+membar.gl-p0::p1:p2-xgys-0.exe' successfully loaded
Specification clusters: 3
Specification: [[(586, 3, 'R4'), (584, 2, 'R12')], [(644, 3, 'R4'), (642, 2, 'R8')], [(687, 2, 'R8')]]
Cluster 0: OK
Cluster 1: OK
Cluster 2: OK
!!SUCCESS!!
Test WWC+membar.cta+membar.gl-p0::p1:p2-xgys Allowed
Histogram (4 states)
26243 :>1:r0=0; 2:r0=0; 0::x=1;
18681 :>1:r0=2; 2:r0=0; 0::x=1;
4527  :>1:r0=0; 2:r0=1; 0::x=1;
549   :>1:r0=2; 2:r0=1; 0::x=1;
No

Witnesses
Positive: 0, Negative: 50000
Condition exists (0::x=2 /\ 1:r0=2 /\ 2:r0=1) is NOT validated
Observation WWC+membar.cta+membar.gl-p0::p1:p2-xgys Never 0 50000
Time WWC+membar.cta+membar.gl-p0::p1:p2-xgys 12.77

  -- 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/WWC+membar.cta+membar.gl-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_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 */