GPU_PTX ISA2+membar.gl+ctrl+ctrl-p0::p1:p2-xgygzs
"Mgl-d-Wg-Wg Rf-c-g Ctrl-d-g-Ws Rf-w-s Ctrl-d-s-Rg Fr-c-g"

{}

 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 | and.b32 r2, r0 2147483648 ;
 membar.gl          | setp.eq.b32 p3, r2, 0     | setp.eq.b32 p4, r2, 0     ;
 mov.s32 r2, 1      | @p3 bra LC00              | @p4 bra LC01              ;
 st.cg.s32 [r3], r2 | mov.s64 r4, 3494          | mov.s64 r4, 3494          ;
                    | LC00:                     | LC01:                     ;
                    | mov.s32 r3, 1             | ld.cg.s32 r3, [r4]        ;
                    | st.cg.s32 [r4], r3        |                           ;

exists (1:r0=1 /\ 2:r0=1 /\ 2:r3=0)
(device (kernel (cta (warp P0)) (cta (warp P1) (warp P2))))
x:global; y:global; z:local
Generated assembler
//START _litmus_P2
	ld.cg.s32 sr02, [sr12] ;
	and.b32 sr22, sr02, 2147483648 ;
	setp.eq.b32 sp42, sr22, 0 ;
	@sp42 bra LC01 ;
	mov.s64 sr42, 3494 ;
LC01:
	ld.cg.s32 sr32, [sr42] ;
//START _litmus_P1
	ld.cg.s32 sr01, [sr11] ;
	and.b32 sr21, sr01, 2147483648 ;
	setp.eq.b32 sp31, sr21, 0 ;
	@sp31 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.gl ;
	mov.s32 sr20, 1 ;
	st.cg.s32 [sr30], sr20 ;

Binary '/tmp/dirf9a919.tmp/ISA2+membar.gl+ctrl+ctrl-p0::p1:p2-xgygzs-0.exe' successfully loaded
Specification clusters: 3
Specification: [[(632, 3, 'R4'), (633, 3, 'R5')], [(698, 3, 'R4'), (695, 2, 'R10')], [(751, 2, 'R10'), (753, 2, 'R12')]]
Cluster 0: OK
Cluster 1: OK
Cluster 2: OK
!!SUCCESS!!
Test ISA2+membar.gl+ctrl+ctrl-p0::p1:p2-xgygzs Allowed
Histogram (6 states)
14975 :>1:r0=0; 2:r0=0; 2:r3=0;
437   :>1:r0=1; 2:r0=0; 2:r3=0;
39    :>1:r0=0; 2:r0=1; 2:r3=0;
26753 :>1:r0=0; 2:r0=0; 2:r3=1;
3130  :>1:r0=1; 2:r0=0; 2:r3=1;
4666  :>1:r0=0; 2:r0=1; 2:r3=1;
No

Witnesses
Positive: 0, Negative: 50000
Condition exists (1:r0=1 /\ 2:r0=1 /\ 2:r3=0) is NOT validated
Observation ISA2+membar.gl+ctrl+ctrl-p0::p1:p2-xgygzs Never 0 50000
Time ISA2+membar.gl+ctrl+ctrl-p0::p1:p2-xgygzs 7.93

  -- 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/ISA2+membar.gl+ctrl+ctrl-p0::p1:p2-xgygzs-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 */