GPU_PTX 3.LB+membar.ctas-p0:p2::p1-xsygzg
"Mcta-d-Rsl2-Wgl2 Rf-c-gl2l2 Mcta-d-Rgl2-Wgl2 Rf-c-gl2l2 Mcta-d-Rgl2-Wsl2 Rf-w-sl2l2"

{}

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

exists (0:r0=1 /\ 1:r0=1 /\ 2:r0=1)
(device (kernel (cta (warp P0) (warp P2)) (cta (warp P1))))
x:local; y:global; z:global
Generated assembler
//START _litmus_P2
	ld.cg.s32 sr02, [sr12] ;
	membar.cta ;
	mov.s32 sr22, 1 ;
	st.cg.s32 [sr32], sr22 ;
//START _litmus_P1
	ld.cg.s32 sr01, [sr11] ;
	membar.cta ;
	mov.s32 sr21, 1 ;
	st.cg.s32 [sr31], sr21 ;
//START _litmus_P0
	ld.cg.s32 sr00, [sr10] ;
	membar.cta ;
	mov.s32 sr20, 1 ;
	st.cg.s32 [sr30], sr20 ;

Binary '/tmp/dir2e18a4.tmp/3.LB+membar.ctas-p0:p2::p1-xsygzg-0.exe' successfully loaded
Specification clusters: 3
Specification: [[(608, 3, 'R4'), (607, 2, 'R12')], [(660, 3, 'R4'), (659, 2, 'R14')], [(717, 3, 'R4'), (716, 2, 'R12')]]
Cluster 0: OK
Cluster 1: OK
Cluster 2: OK
!!SUCCESS!!
Test 3.LB+membar.ctas-p0:p2::p1-xsygzg Allowed
Histogram (8 states)
37599 :>0:r0=0; 1:r0=0; 2:r0=0;
12523 :>0:r0=1; 1:r0=0; 2:r0=0;
26079 :>0:r0=0; 1:r0=1; 2:r0=0;
2292  :>0:r0=1; 1:r0=1; 2:r0=0;
17379 :>0:r0=0; 1:r0=0; 2:r0=1;
1704  :>0:r0=1; 1:r0=0; 2:r0=1;
2419  :>0:r0=0; 1:r0=1; 2:r0=1;
5     *>0:r0=1; 1:r0=1; 2:r0=1;
Ok

Witnesses
Positive: 5, Negative: 99995
Condition exists (0:r0=1 /\ 1:r0=1 /\ 2:r0=1) is validated
Observation 3.LB+membar.ctas-p0:p2::p1-xsygzg Sometimes 5 99995
Time 3.LB+membar.ctas-p0:p2::p1-xsygzg 41.21

  -- device info --
Name:                           GeForce GTX 660
Major revision number:          3
Minor revision number:          0
Total global memory:            2147155968
Total shared memory per block:  49152
Number of multiprocessors:      5

Machine: csu8975
Revision 967, version 5.01 GPU_PTX experimental backend
Command line: ./litmus -gpu -ccopts -arch=sm_30 -gpu-max-ctas 8 -gpu-min-ctas 4 tests-sm30/3.LB+membar.ctas-p0:p2::p1-xsygzg-0.litmus
Parameters
#ifndef SIZE_OF_TEST
#define SIZE_OF_TEST 100000
#endif
#ifndef NUMBER_OF_RUN
#define NUMBER_OF_RUN 1
#endif
/* cc options: -arch=sm_30 */
/* 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: 8 */
/* gpu_min_ctas: 4 */
/* gpu_max_threads: 512 */
/* gpu_min_threads: 128 */