GPU_PTX IRRWIW+po+ctrl-p0::p1::p2:p3-xgyg
"Rf-c-gl2l2 Po-d-Rgl2-Rgl2 Fr-c-gl2l2 Rf-w-gl2l2 Ctrl-d-gl2-Wgl2 Ws-c-gl2l2"

{}

 P0                 | P1                 | P2                 | P3                        ;
 mov.s32 r0, 2      | ld.cg.s32 r0, [r1] | mov.s32 r0, 1      | ld.cg.s32 r0, [r1]        ;
 st.cg.s32 [r1], r0 | ld.cg.s32 r2, [r3] | st.cg.s32 [r1], r0 | and.b32 r2, r0 2147483648 ;
                    |                    |                    | setp.eq.b32 p3, r2, 0     ;
                    |                    |                    | @p3 bra LC00              ;
                    |                    |                    | mov.s64 r4, 3494          ;
                    |                    |                    | LC00:                     ;
                    |                    |                    | mov.s32 r3, 1             ;
                    |                    |                    | st.cg.s32 [r4], r3        ;

exists (0::x=2 /\ 1:r0=2 /\ 1:r2=0 /\ 3:r0=1)
(device (kernel (cta (warp P0)) (cta (warp P1)) (cta (warp P2) (warp P3))))
x:global; y:global
Generated assembler
//START _litmus_P3
	ld.cg.s32 sr03, [sr13] ;
	and.b32 sr23, sr03, 2147483648 ;
	setp.eq.b32 sp33, sr23, 0 ;
	@sp33 bra LC00 ;
	mov.s64 sr43, 3494 ;
LC00:
	mov.s32 sr33, 1 ;
	st.cg.s32 [sr43], sr33 ;
//START _litmus_P2
	mov.s32 sr02, 1 ;
	st.cg.s32 [sr12], sr02 ;
//START _litmus_P1
	ld.cg.s32 sr01, [sr11] ;
	ld.cg.s32 sr21, [sr31] ;
//START _litmus_P0
	mov.s32 sr00, 2 ;
	st.cg.s32 [sr10], sr00 ;

Binary '/tmp/dir5b92d9.tmp/IRRWIW+po+ctrl-p0::p1::p2:p3-xgyg-0.exe' successfully loaded
Specification clusters: 4
Specification: [[(583, 3, 'R4'), (582, 2, 'R12')], [(621, 2, 'R10')], [(662, 3, 'R5'), (663, 3, 'R4')], [(709, 2, 'R10')]]
Cluster 0: OK
Cluster 1: OK
Cluster 2: OK
Cluster 3: OK
!!SUCCESS!!
Test IRRWIW+po+ctrl-p0::p1::p2:p3-xgyg Allowed
Histogram (24 states)
19361 :>1:r0=0; 1:r2=0; 3:r0=0; 0::x=1;
3093  :>1:r0=1; 1:r2=0; 3:r0=0; 0::x=1;
11378 :>1:r0=2; 1:r2=0; 3:r0=0; 0::x=1;
6236  :>1:r0=0; 1:r2=1; 3:r0=0; 0::x=1;
2484  :>1:r0=1; 1:r2=1; 3:r0=0; 0::x=1;
5759  :>1:r0=2; 1:r2=1; 3:r0=0; 0::x=1;
9897  :>1:r0=0; 1:r2=0; 3:r0=1; 0::x=1;
283   :>1:r0=1; 1:r2=0; 3:r0=1; 0::x=1;
4466  :>1:r0=2; 1:r2=0; 3:r0=1; 0::x=1;
11488 :>1:r0=0; 1:r2=1; 3:r0=1; 0::x=1;
1375  :>1:r0=1; 1:r2=1; 3:r0=1; 0::x=1;
9378  :>1:r0=2; 1:r2=1; 3:r0=1; 0::x=1;
6312  :>1:r0=0; 1:r2=0; 3:r0=0; 0::x=2;
690   :>1:r0=1; 1:r2=0; 3:r0=0; 0::x=2;
556   :>1:r0=2; 1:r2=0; 3:r0=0; 0::x=2;
2797  :>1:r0=0; 1:r2=1; 3:r0=0; 0::x=2;
470   :>1:r0=1; 1:r2=1; 3:r0=0; 0::x=2;
594   :>1:r0=2; 1:r2=1; 3:r0=0; 0::x=2;
741   :>1:r0=0; 1:r2=0; 3:r0=1; 0::x=2;
56    :>1:r0=1; 1:r2=0; 3:r0=1; 0::x=2;
37    *>1:r0=2; 1:r2=0; 3:r0=1; 0::x=2;
2059  :>1:r0=0; 1:r2=1; 3:r0=1; 0::x=2;
243   :>1:r0=1; 1:r2=1; 3:r0=1; 0::x=2;
247   :>1:r0=2; 1:r2=1; 3:r0=1; 0::x=2;
Ok

Witnesses
Positive: 37, Negative: 99963
Condition exists (0::x=2 /\ 1:r0=2 /\ 1:r2=0 /\ 3:r0=1) is validated
Observation IRRWIW+po+ctrl-p0::p1::p2:p3-xgyg Sometimes 37 99963
Time IRRWIW+po+ctrl-p0::p1::p2:p3-xgyg 39.70

  -- 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/IRRWIW+po+ctrl-p0::p1::p2:p3-xgyg-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 */