GPU_PTX IRWIW+membar.cta+po-p0:p2:p3::p1-xgyg
"Rf-c-g Mcta-d-Rg-Wg Ws-c-g Rf-w-g Po-d-Rg-Wg Ws-w-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) (warp P2) (warp P3)) (cta (warp P1))))
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/dire6e54a.tmp/IRWIW+membar.cta+po-p0:p2:p3::p1-xgyg-0.exe' successfully loaded
Specification clusters: 4
Specification: [[(635, 3, 'R4'), (632, 2, 'R10')], [(673, 2, 'R10')], [(722, 3, 'R4'), (719, 2, 'R10')], [(768, 2, 'R10')]]
Cluster 0: OK
Cluster 1: OK
Cluster 2: OK
Cluster 3: OK
!!SUCCESS!!
Test IRWIW+membar.cta+po-p0:p2:p3::p1-xgyg Allowed
Histogram (36 states)
4252  :>1:r0=0; 3:r0=0; 0::x=1; 1::y=1;
3440  :>1:r0=1; 3:r0=0; 0::x=1; 1::y=1;
4462  :>1:r0=2; 3:r0=0; 0::x=1; 1::y=1;
1792  :>1:r0=0; 3:r0=1; 0::x=1; 1::y=1;
12    :>1:r0=1; 3:r0=1; 0::x=1; 1::y=1;
691   :>1:r0=2; 3:r0=1; 0::x=1; 1::y=1;
4425  :>1:r0=0; 3:r0=2; 0::x=1; 1::y=1;
1379  :>1:r0=1; 3:r0=2; 0::x=1; 1::y=1;
4812  :>1:r0=2; 3:r0=2; 0::x=1; 1::y=1;
2920  :>1:r0=0; 3:r0=0; 0::x=2; 1::y=1;
2751  :>1:r0=1; 3:r0=0; 0::x=2; 1::y=1;
2893  :>1:r0=2; 3:r0=0; 0::x=2; 1::y=1;
118   :>1:r0=0; 3:r0=1; 0::x=2; 1::y=1;
2     :>1:r0=1; 3:r0=1; 0::x=2; 1::y=1;
5     :>1:r0=2; 3:r0=1; 0::x=2; 1::y=1;
1359  :>1:r0=0; 3:r0=2; 0::x=2; 1::y=1;
405   :>1:r0=1; 3:r0=2; 0::x=2; 1::y=1;
501   :>1:r0=2; 3:r0=2; 0::x=2; 1::y=1;
1970  :>1:r0=0; 3:r0=0; 0::x=1; 1::y=2;
249   :>1:r0=1; 3:r0=0; 0::x=1; 1::y=2;
1065  :>1:r0=2; 3:r0=0; 0::x=1; 1::y=2;
2250  :>1:r0=0; 3:r0=1; 0::x=1; 1::y=2;
230   :>1:r0=1; 3:r0=1; 0::x=1; 1::y=2;
658   :>1:r0=2; 3:r0=1; 0::x=1; 1::y=2;
2351  :>1:r0=0; 3:r0=2; 0::x=1; 1::y=2;
78    :>1:r0=1; 3:r0=2; 0::x=1; 1::y=2;
681   :>1:r0=2; 3:r0=2; 0::x=1; 1::y=2;
1425  :>1:r0=0; 3:r0=0; 0::x=2; 1::y=2;
583   :>1:r0=1; 3:r0=0; 0::x=2; 1::y=2;
175   :>1:r0=2; 3:r0=0; 0::x=2; 1::y=2;
1151  :>1:r0=0; 3:r0=1; 0::x=2; 1::y=2;
278   :>1:r0=1; 3:r0=1; 0::x=2; 1::y=2;
194   :>1:r0=2; 3:r0=1; 0::x=2; 1::y=2;
377   :>1:r0=0; 3:r0=2; 0::x=2; 1::y=2;
30    :>1:r0=1; 3:r0=2; 0::x=2; 1::y=2;
36    *>1:r0=2; 3:r0=2; 0::x=2; 1::y=2;
Ok

Witnesses
Positive: 36, Negative: 49964
Condition exists (0::x=2 /\ 1::y=2 /\ 1:r0=2 /\ 3:r0=2) is validated
Observation IRWIW+membar.cta+po-p0:p2:p3::p1-xgyg Sometimes 36 49964
Time IRWIW+membar.cta+po-p0:p2:p3::p1-xgyg 18.03

  -- 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/IRWIW+membar.cta+po-p0:p2:p3::p1-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_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 */