GPU_PTX IRWIW+membar.cta+data-p0:p1:p2:p3-xgys
"Rf-w-g Mcta-d-Rg-Ws Ws-w-s Rf-w-s Data-d-s-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 | and.b32 r2, r0 2147483648 ;
                    | mov.s32 r2, 1      |                    | add.s32 r2, 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 P1) (warp P2) (warp P3))))
x:global; y:local
Generated assembler
//START _litmus_P3
	ld.cg.s32 sr03, [sr13] ;
	and.b32 sr23, sr03, 2147483648 ;
	add.s32 sr23, 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/dir5e5517.tmp/IRWIW+membar.cta+data-p0:p1:p2:p3-xgys-0.exe' successfully loaded
Specification clusters: 4
Specification: [[(599, 3, 'R4'), (597, 2, 'R10')], [(642, 2, 'R10')], [(695, 3, 'R4'), (692, 2, 'R10')], [(738, 2, 'R10')]]
Cluster 0: OK
Cluster 1: OK
Cluster 2: OK
Cluster 3: OK
!!SUCCESS!!
Test IRWIW+membar.cta+data-p0:p1:p2:p3-xgys Allowed
Histogram (27 states)
6196  :>1:r0=0; 3:r0=0; 0::x=1; 1::y=1;
5928  :>1:r0=1; 3:r0=0; 0::x=1; 1::y=1;
7002  :>1:r0=2; 3:r0=0; 0::x=1; 1::y=1;
1644  :>1:r0=0; 3:r0=1; 0::x=1; 1::y=1;
644   :>1:r0=2; 3:r0=1; 0::x=1; 1::y=1;
4233  :>1:r0=0; 3:r0=2; 0::x=1; 1::y=1;
312   :>1:r0=1; 3:r0=2; 0::x=1; 1::y=1;
4810  :>1:r0=2; 3:r0=2; 0::x=1; 1::y=1;
4936  :>1:r0=0; 3:r0=0; 0::x=2; 1::y=1;
5366  :>1:r0=1; 3:r0=0; 0::x=2; 1::y=1;
2490  :>1:r0=2; 3:r0=0; 0::x=2; 1::y=1;
43    :>1:r0=0; 3:r0=1; 0::x=2; 1::y=1;
613   :>1:r0=0; 3:r0=2; 0::x=2; 1::y=1;
120   :>1:r0=1; 3:r0=2; 0::x=2; 1::y=1;
71    :>1:r0=2; 3:r0=2; 0::x=2; 1::y=1;
1623  :>1:r0=0; 3:r0=0; 0::x=1; 1::y=2;
456   :>1:r0=1; 3:r0=0; 0::x=1; 1::y=2;
952   :>1:r0=2; 3:r0=0; 0::x=1; 1::y=2;
344   :>1:r0=0; 3:r0=1; 0::x=1; 1::y=2;
142   :>1:r0=2; 3:r0=1; 0::x=1; 1::y=2;
238   :>1:r0=0; 3:r0=2; 0::x=1; 1::y=2;
93    :>1:r0=2; 3:r0=2; 0::x=1; 1::y=2;
1095  :>1:r0=0; 3:r0=0; 0::x=2; 1::y=2;
573   :>1:r0=1; 3:r0=0; 0::x=2; 1::y=2;
61    :>1:r0=2; 3:r0=0; 0::x=2; 1::y=2;
7     :>1:r0=0; 3:r0=1; 0::x=2; 1::y=2;
8     :>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+data-p0:p1:p2:p3-xgys Never 0 50000
Time IRWIW+membar.cta+data-p0:p1:p2:p3-xgys 13.22

  -- device info --
Name:                           Tesla C2075
Major revision number:          2
Minor revision number:          0
Total global memory:            5636554752
Total shared memory per block:  49152
Number of multiprocessors:      14

Machine: fractus
Revision 1365M, version 5.01 GPU_PTX experimental backend
Command line: ./litmus -mach TeslaC2075.cfg -a 8 -gpu-verf-comp true big_bucket2/IRWIW+membar.cta+data-p0:p1:p2:p3-xgys-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_20 */
/* 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: 12 */
/* gpu_min_ctas: 9 */
/* gpu_max_threads: 512 */
/* gpu_min_threads: 128 */