GPU_PTX IRRWIW+membar.gl+membar.cta-p0:p1:p2:p3-xgyg
"Rf-w-g Mgl-d-Rg-Rg Fr-w-g Rf-w-g Mcta-d-Rg-Wg Ws-w-g"

{}

 P0                 | P1                 | P2                 | P3                 ;
 mov.s32 r0, 2      | ld.cg.s32 r0, [r1] | mov.s32 r0, 1      | ld.cg.s32 r0, [r1] ;
 st.cg.s32 [r1], r0 | membar.gl          | st.cg.s32 [r1], r0 | membar.cta         ;
                    | ld.cg.s32 r2, [r3] |                    | mov.s32 r2, 1      ;
                    |                    |                    | st.cg.s32 [r3], r2 ;

exists (0::x=2 /\ 1:r0=2 /\ 1:r2=0 /\ 3:r0=1)
(device (kernel (cta (warp P0) (warp P1) (warp P2) (warp P3))))
x:global; y:global
Generated assembler
//START _litmus_P3
	ld.cg.s32 sr03, [sr13] ;
	membar.cta ;
	mov.s32 sr23, 1 ;
	st.cg.s32 [sr33], sr23 ;
//START _litmus_P2
	mov.s32 sr02, 1 ;
	st.cg.s32 [sr12], sr02 ;
//START _litmus_P1
	ld.cg.s32 sr01, [sr11] ;
	membar.gl ;
	ld.cg.s32 sr21, [sr31] ;
//START _litmus_P0
	mov.s32 sr00, 2 ;
	st.cg.s32 [sr10], sr00 ;

Binary '/tmp/dir4aa04c.tmp/IRRWIW+membar.gl+membar.cta-p0:p1:p2:p3-xgyg-0.exe' successfully loaded
Specification clusters: 4
Specification: [[(524, 3, 'R4'), (521, 2, 'R8')], [(563, 2, 'R8')], [(609, 3, 'R4'), (607, 3, 'R5')], [(655, 2, 'R8')]]
Cluster 0: OK
Cluster 1: OK
Cluster 2: OK
Cluster 3: OK
!!SUCCESS!!
Test IRRWIW+membar.gl+membar.cta-p0:p1:p2:p3-xgyg Allowed
Histogram (21 states)
3783  :>1:r0=0; 1:r2=0; 3:r0=0; 0::x=1;
228   :>1:r0=1; 1:r2=0; 3:r0=0; 0::x=1;
1732  :>1:r0=2; 1:r2=0; 3:r0=0; 0::x=1;
5492  :>1:r0=0; 1:r2=1; 3:r0=0; 0::x=1;
3752  :>1:r0=1; 1:r2=1; 3:r0=0; 0::x=1;
5586  :>1:r0=2; 1:r2=1; 3:r0=0; 0::x=1;
715   :>1:r0=0; 1:r2=0; 3:r0=1; 0::x=1;
165   :>1:r0=2; 1:r2=0; 3:r0=1; 0::x=1;
7415  :>1:r0=0; 1:r2=1; 3:r0=1; 0::x=1;
1016  :>1:r0=1; 1:r2=1; 3:r0=1; 0::x=1;
7107  :>1:r0=2; 1:r2=1; 3:r0=1; 0::x=1;
1842  :>1:r0=0; 1:r2=0; 3:r0=0; 0::x=2;
524   :>1:r0=1; 1:r2=0; 3:r0=0; 0::x=2;
54    :>1:r0=2; 1:r2=0; 3:r0=0; 0::x=2;
3913  :>1:r0=0; 1:r2=1; 3:r0=0; 0::x=2;
2613  :>1:r0=1; 1:r2=1; 3:r0=0; 0::x=2;
1802  :>1:r0=2; 1:r2=1; 3:r0=0; 0::x=2;
10    :>1:r0=0; 1:r2=0; 3:r0=1; 0::x=2;
1618  :>1:r0=0; 1:r2=1; 3:r0=1; 0::x=2;
332   :>1:r0=1; 1:r2=1; 3:r0=1; 0::x=2;
301   :>1:r0=2; 1:r2=1; 3:r0=1; 0::x=2;
No

Witnesses
Positive: 0, Negative: 50000
Condition exists (0::x=2 /\ 1:r0=2 /\ 1:r2=0 /\ 3:r0=1) is NOT validated
Observation IRRWIW+membar.gl+membar.cta-p0:p1:p2:p3-xgyg Never 0 50000
Time IRRWIW+membar.gl+membar.cta-p0:p1:p2:p3-xgyg 7.47

  -- 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/IRRWIW+membar.gl+membar.cta-p0:p1:p2:p3-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_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 */