GPU_PTX IRWIW+membar.cta+po-p0::p1::p2:p3-xgyg
"Rf-c-g Mcta-d-Rg-Wg Ws-c-g Rf-w-g Po-d-Rg-Wg Ws-c-g"

{}

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

exists (0::x=2 /\ 1::y=2 /\ 1:r0=2 /\ 3:r0=2)
(device (kernel (cta (warp P0)) (cta (warp P1)) (cta (warp P2) (warp P3))))
x:global; y:global
Generated assembler
//START _litmus_P3
	ld.cg.s32 sr03, [sr13] ;
	mov.s32 sr23, 1 ;
	st.cg.s32 [sr33], sr23 ;
//START _litmus_P2
	mov.s32 sr02, 2 ;
	st.cg.s32 [sr12], sr02 ;
//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/dir8633ac.tmp/IRWIW+membar.cta+po-p0::p1::p2:p3-xgyg-0.exe' successfully loaded
Specification clusters: 4
Specification: [[(530, 3, 'R4'), (529, 2, 'R8')], [(570, 2, 'R8')], [(616, 3, 'R4'), (614, 2, 'R10')], [(661, 2, 'R8')]]
Cluster 0: OK
Cluster 1: OK
Cluster 2: OK
Cluster 3: OK
!!SUCCESS!!
Test IRWIW+membar.cta+po-p0::p1::p2:p3-xgyg Allowed
Histogram (27 states)
5232  :>1:r0=0; 3:r0=0; 0::x=1; 1::y=1;
3183  :>1:r0=1; 3:r0=0; 0::x=1; 1::y=1;
4107  :>1:r0=2; 3:r0=0; 0::x=1; 1::y=1;
3251  :>1:r0=0; 3:r0=1; 0::x=1; 1::y=1;
696   :>1:r0=2; 3:r0=1; 0::x=1; 1::y=1;
4985  :>1:r0=0; 3:r0=2; 0::x=1; 1::y=1;
915   :>1:r0=1; 3:r0=2; 0::x=1; 1::y=1;
4522  :>1:r0=2; 3:r0=2; 0::x=1; 1::y=1;
3716  :>1:r0=0; 3:r0=0; 0::x=2; 1::y=1;
2132  :>1:r0=1; 3:r0=0; 0::x=2; 1::y=1;
1870  :>1:r0=2; 3:r0=0; 0::x=2; 1::y=1;
218   :>1:r0=0; 3:r0=1; 0::x=2; 1::y=1;
1461  :>1:r0=0; 3:r0=2; 0::x=2; 1::y=1;
473   :>1:r0=1; 3:r0=2; 0::x=2; 1::y=1;
419   :>1:r0=2; 3:r0=2; 0::x=2; 1::y=1;
3510  :>1:r0=0; 3:r0=0; 0::x=1; 1::y=2;
240   :>1:r0=1; 3:r0=0; 0::x=1; 1::y=2;
1129  :>1:r0=2; 3:r0=0; 0::x=1; 1::y=2;
1994  :>1:r0=0; 3:r0=1; 0::x=1; 1::y=2;
276   :>1:r0=2; 3:r0=1; 0::x=1; 1::y=2;
1790  :>1:r0=0; 3:r0=2; 0::x=1; 1::y=2;
248   :>1:r0=2; 3:r0=2; 0::x=1; 1::y=2;
2509  :>1:r0=0; 3:r0=0; 0::x=2; 1::y=2;
466   :>1:r0=1; 3:r0=0; 0::x=2; 1::y=2;
75    :>1:r0=2; 3:r0=0; 0::x=2; 1::y=2;
524   :>1:r0=0; 3:r0=1; 0::x=2; 1::y=2;
59    :>1:r0=0; 3:r0=2; 0::x=2; 1::y=2;
No

Witnesses
Positive: 0, Negative: 50000
Condition exists (0::x=2 /\ 1::y=2 /\ 1:r0=2 /\ 3:r0=2) is NOT validated
Observation IRWIW+membar.cta+po-p0::p1::p2:p3-xgyg Never 0 50000
Time IRWIW+membar.cta+po-p0::p1::p2:p3-xgyg 7.30

  -- 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/IRWIW+membar.cta+po-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 */