GPU_PTX IRIW+membar.cta+po-p0:p1:p3::p2-xsyg
"Rf-w-s Mcta-d-Rs-Rg Fr-c-g Rf-c-g Po-d-Rg-Rs Fr-w-s"

{}

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

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

Binary '/tmp/dire9ca7f.tmp/IRIW+membar.cta+po-p0:p1:p3::p2-xsyg-0.exe' successfully loaded
Specification clusters: 4
Specification: [[(612, 3, 'R4'), (610, 3, 'R0')], [(654, 2, 'R8')], [(702, 3, 'R0'), (703, 3, 'R4')], [(752, 2, 'R8')]]
Cluster 0: OK
Cluster 1: OK
Cluster 2: OK
Cluster 3: OK
!!SUCCESS!!
Test IRIW+membar.cta+po-p0:p1:p3::p2-xsyg Allowed
Histogram (16 states)
15416 :>1:r0=0; 1:r2=0; 3:r0=0; 3:r2=0;
2362  :>1:r0=1; 1:r2=0; 3:r0=0; 3:r2=0;
4657  :>1:r0=0; 1:r2=1; 3:r0=0; 3:r2=0;
3259  :>1:r0=1; 1:r2=1; 3:r0=0; 3:r2=0;
1362  :>1:r0=0; 1:r2=0; 3:r0=1; 3:r2=0;
43    *>1:r0=1; 1:r2=0; 3:r0=1; 3:r2=0;
1856  :>1:r0=0; 1:r2=1; 3:r0=1; 3:r2=0;
694   :>1:r0=1; 1:r2=1; 3:r0=1; 3:r2=0;
8323  :>1:r0=0; 1:r2=0; 3:r0=0; 3:r2=1;
3956  :>1:r0=1; 1:r2=0; 3:r0=0; 3:r2=1;
1208  :>1:r0=0; 1:r2=1; 3:r0=0; 3:r2=1;
3333  :>1:r0=1; 1:r2=1; 3:r0=0; 3:r2=1;
1234  :>1:r0=0; 1:r2=0; 3:r0=1; 3:r2=1;
147   :>1:r0=1; 1:r2=0; 3:r0=1; 3:r2=1;
910   :>1:r0=0; 1:r2=1; 3:r0=1; 3:r2=1;
1240  :>1:r0=1; 1:r2=1; 3:r0=1; 3:r2=1;
Ok

Witnesses
Positive: 43, Negative: 49957
Condition exists (1:r0=1 /\ 1:r2=0 /\ 3:r0=1 /\ 3:r2=0) is validated
Observation IRIW+membar.cta+po-p0:p1:p3::p2-xsyg Sometimes 43 49957
Time IRIW+membar.cta+po-p0:p1:p3::p2-xsyg 16.51

  -- 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/IRIW+membar.cta+po-p0:p1:p3::p2-xsyg-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 */