GPU_PTX 3.LB+membar.cta+ctrl+po-p0:p1::p2-xgygzg
"Mcta-d-Rg-Wg Rf-w-g Ctrl-d-g-Wg Rf-c-g Po-d-Rg-Wg Rf-c-g"

{}

 P0                 | P1                        | P2                 ;
 ld.cg.s32 r0, [r1] | ld.cg.s32 r0, [r1]        | ld.cg.s32 r0, [r1] ;
 membar.cta         | and.b32 r2, r0 2147483648 | mov.s32 r2, 1      ;
 mov.s32 r2, 1      | setp.eq.b32 p6, r2, 0     | st.cg.s32 [r3], r2 ;
 st.cg.s32 [r3], r2 | @p6 bra LC00              |                    ;
                    | mov.s64 r4, 3494          |                    ;
                    | LC00:                     |                    ;
                    | mov.s32 r3, 1             |                    ;
                    | st.cg.s32 [r4], r3        |                    ;

exists (0:r0=1 /\ 1:r0=1 /\ 2:r0=1)
(device (kernel (cta (warp P0) (warp P1)) (cta (warp P2))))
x:global; y:global; z:global
Generated assembler
//START _litmus_P2
	ld.cg.s32 sr02, [sr12] ;
	mov.s32 sr22, 1 ;
	st.cg.s32 [sr32], sr22 ;
//START _litmus_P1
	ld.cg.s32 sr01, [sr11] ;
	and.b32 sr21, sr01, 2147483648 ;
	setp.eq.b32 sp61, sr21, 0 ;
	@sp61 bra LC00 ;
	mov.s64 sr41, 3494 ;
LC00:
	mov.s32 sr31, 1 ;
	st.cg.s32 [sr41], sr31 ;
//START _litmus_P0
	ld.cg.s32 sr00, [sr10] ;
	membar.cta ;
	mov.s32 sr20, 1 ;
	st.cg.s32 [sr30], sr20 ;

Binary '/tmp/dird8d0d0.tmp/3.LB+membar.cta+ctrl+po-p0:p1::p2-xgygzg-0.exe' successfully loaded
Specification clusters: 3
Specification: [[(610, 3, 'R4'), (607, 2, 'R8')], [(666, 3, 'R4'), (663, 2, 'R8')], [(720, 3, 'R4'), (719, 2, 'R8')]]
Cluster 0: OK
Cluster 1: OK
Cluster 2: OK
!!SUCCESS!!
Test 3.LB+membar.cta+ctrl+po-p0:p1::p2-xgygzg Allowed
Histogram (8 states)
23997 :>0:r0=0; 1:r0=0; 2:r0=0;
9089  :>0:r0=1; 1:r0=0; 2:r0=0;
7570  :>0:r0=0; 1:r0=1; 2:r0=0;
818   :>0:r0=1; 1:r0=1; 2:r0=0;
6677  :>0:r0=0; 1:r0=0; 2:r0=1;
1098  :>0:r0=1; 1:r0=0; 2:r0=1;
734   :>0:r0=0; 1:r0=1; 2:r0=1;
17    *>0:r0=1; 1:r0=1; 2:r0=1;
Ok

Witnesses
Positive: 17, Negative: 49983
Condition exists (0:r0=1 /\ 1:r0=1 /\ 2:r0=1) is validated
Observation 3.LB+membar.cta+ctrl+po-p0:p1::p2-xgygzg Sometimes 17 49983
Time 3.LB+membar.cta+ctrl+po-p0:p1::p2-xgygzg 20.42

  -- 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/3.LB+membar.cta+ctrl+po-p0:p1::p2-xgygzg-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 */