GPU_PTX ISA2+membar.cta+ctrl+po-p0:p2::p1-xsygzg
"Mcta-d-Wsl2-Wgl2 Rf-c-gl2l2 Ctrl-d-gl2-Wgl2 Rf-c-gl2l2 Po-d-Rgl2-Rsl2 Fr-w-sl2l2"

{}

 P0                 | P1                        | P2                 ;
 mov.s32 r0, 1      | ld.cg.s32 r0, [r1]        | ld.cg.s32 r0, [r1] ;
 st.cg.s32 [r1], r0 | and.b32 r2, r0 2147483648 | ld.cg.s32 r2, [r3] ;
 membar.cta         | setp.eq.b32 p4, r2, 0     |                    ;
 mov.s32 r2, 1      | @p4 bra LC00              |                    ;
 st.cg.s32 [r3], r2 | mov.s64 r4, 3494          |                    ;
                    | LC00:                     |                    ;
                    | mov.s32 r3, 1             |                    ;
                    | st.cg.s32 [r4], r3        |                    ;

exists (1:r0=1 /\ 2:r0=1 /\ 2:r2=0)
(device (kernel (cta (warp P0) (warp P2)) (cta (warp P1))))
x:local; y:global; z:global
Generated assembler
//START _litmus_P2
	ld.cg.s32 sr02, [sr12] ;
	ld.cg.s32 sr22, [sr32] ;
//START _litmus_P1
	ld.cg.s32 sr01, [sr11] ;
	and.b32 sr21, sr01, 2147483648 ;
	setp.eq.b32 sp41, sr21, 0 ;
	@sp41 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 ;
	membar.cta ;
	mov.s32 sr20, 1 ;
	st.cg.s32 [sr30], sr20 ;

Binary '/tmp/dir21abb2.tmp/ISA2+membar.cta+ctrl+po-p0:p2::p1-xsygzg-0.exe' successfully loaded
Specification clusters: 3
Specification: [[(605, 3, 'R5'), (606, 3, 'R4')], [(665, 3, 'R4'), (664, 2, 'R12')], [(723, 2, 'R8'), (725, 2, 'R12')]]
Cluster 0: OK
Cluster 1: OK
Cluster 2: OK
!!SUCCESS!!
Test ISA2+membar.cta+ctrl+po-p0:p2::p1-xsygzg Allowed
Histogram (8 states)
38122 :>1:r0=0; 2:r0=0; 2:r2=0;
8457  :>1:r0=1; 2:r0=0; 2:r2=0;
5791  :>1:r0=0; 2:r0=1; 2:r2=0;
140   *>1:r0=1; 2:r0=1; 2:r2=0;
25486 :>1:r0=0; 2:r0=0; 2:r2=1;
15450 :>1:r0=1; 2:r0=0; 2:r2=1;
5608  :>1:r0=0; 2:r0=1; 2:r2=1;
946   :>1:r0=1; 2:r0=1; 2:r2=1;
Ok

Witnesses
Positive: 140, Negative: 99860
Condition exists (1:r0=1 /\ 2:r0=1 /\ 2:r2=0) is validated
Observation ISA2+membar.cta+ctrl+po-p0:p2::p1-xsygzg Sometimes 140 99860
Time ISA2+membar.cta+ctrl+po-p0:p2::p1-xsygzg 41.05

  -- 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/ISA2+membar.cta+ctrl+po-p0:p2::p1-xsygzg-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 */