File: bcv-searchStackFrame-reduce-support.lisp

package info (click to toggle)
acl2 8.6%2Bdfsg-2
  • links: PTS
  • area: main
  • in suites: trixie
  • size: 1,111,420 kB
  • sloc: lisp: 17,818,294; java: 125,359; python: 28,122; javascript: 23,458; cpp: 18,851; ansic: 11,569; perl: 7,678; xml: 5,591; sh: 3,976; makefile: 3,833; ruby: 2,633; yacc: 1,126; ml: 763; awk: 295; csh: 233; lex: 197; php: 178; tcl: 49; asm: 23; haskell: 17
file content (630 lines) | stat: -rw-r--r-- 26,539 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
(in-package "BCV")
(include-book "typechecker")
(include-book "typechecker-ext")
(include-book "typechecker-simple")
(include-book "bcv-base")

;----------------------------------------------------------------------


(defthm collect-sig-frame-vector-is-suffix
  (implies (and (is-suffix mergedcode1 mergedcode)
                (mergedcodeistypesafe env mergedcode init-frame))
           (is-suffix (collect-sig-frame-vector env mergedcode1 
                                                (collect-sig-frame-at-mergecode1
                                                 env
                                                 mergedcode1
                                                 mergedcode
                                                 init-frame))
                      (collect-sig-frame-vector env mergedcode init-frame)))
  :hints (("Goal" :do-not '(generalize)
           :in-theory (disable instructionIsTypeSafe
                               instructionSatisfiesHandlers
                               instrOffset
                               jvm::inst-size
                               next-pc
                               sig-do-inst
                               isstackmap
                               makestackmap
                               allinstructions
                               isEnd
                               mapFrame
                               getMap 
                               mapOffset
                               frameIsAssignable
                               isInstruction
                               isStackMap))))

;----------------------------------------------------------------------



;;;
;;; Thu Dec 29 22:29:44 2005
;;;
                                            


(encapsulate () 
 (local (include-book "bcv-collected-frames-are-strictly-ordered"))
 (defthm collect-sig-frame-vector-return-ordered-list
   (implies (pc-wff-mergedcode1 (next-pc mergedcode) mergedcode)
            (strictly-ordered (extract-frame-pc 
                               (collect-sig-frame-vector env
                                                         mergedcode init-frame))))))




;----------------------------------------------------------------------
;----------------------------------------------------------------------


(defthm sig-do-inst-reduce-to-collect-sig-frame-at-mergecode1
  (implies (and (mergedcodeistypesafe env mergedcode init-frame)
                (isInstruction (car mergedcode)))
           (equal (car (sig-do-inst (car mergedcode) env init-frame))
                  (collect-sig-frame-at-mergecode1 env (cdr mergedcode)
                                                   mergedcode
                                                   init-frame)))
    :hints (("Goal" :do-not '(generalize)
           :in-theory (disable instructionIsTypeSafe
                               instructionSatisfiesHandlers
                               instrOffset
                               jvm::inst-size
                               next-pc
                               sig-do-inst
                               isstackmap
                               makestackmap
                               allinstructions
                               isEnd
                               mapFrame
                               getMap 
                               mapOffset
                               frameIsAssignable
                               isInstruction
                               isStackMap))))

(local (in-theory (disable collect-sig-frame-at-mergecode1)))

;----------------------------------------------------------------------

(encapsulate () 
  (local (include-book "bcv-searchStackFrame-only-suffix-matters"))
  (defthm searchStackFrame-reduce
  (implies (and (is-suffix stack-maps1 stack-maps)
                (consp stack-maps1)
                (strictly-ordered (extract-frame-pc stack-maps))
                (<= (mapOffset (car stack-maps1)) pc))
           (equal (searchStackFrame pc (stack-map-wrap stack-maps1))
                  (searchStackFrame pc (stack-map-wrap stack-maps))))))
                              
                            
;----------------------------------------------------------------------

;; (i-am-here)

(encapsulate () 
  (local (include-book "bcv-collect-sig-frame-vector-misc"))

  (defthm mergedcodeistypesafe-implies-not-end-consp
    (implies (and (mergedcodeistypesafe env mergedcode init-frame)
                  (consp mergedcode)
                  (pc-wff-mergedcode1 pc mergedcode)
                  (not (isEnd (car mergedcode))))
             (consp (collect-sig-frame-vector env mergedcode init-frame))))
  
  (defthm mergedcodeistypesafe-mergedcodeistype-safe
    (implies (and (mergedcodeistypesafe env mergedcode init-frame)
                  (consp mergedcode1)
                  (is-suffix mergedcode1 mergedcode))
             (mergedcodeistypesafe env mergedcode1 
                                   (collect-sig-frame-at-mergecode1 
                                    env mergedcode1 mergedcode init-frame))))

  (defthm mapOffset-is-next-pc
    (implies (and (mergedcodeistypesafe env mergedcode init-frame)
                  (pc-wff-mergedcode1 (next-pc mergedcode) mergedcode))
             (equal (mapOffset (car (collect-sig-frame-vector env mergedcode
                                                              init-frame)))
                    (next-pc mergedcode))))

  (defthm pc-wff-mergedcode1-pc-wff-mergedcode-pc-suffix
    (implies (and (pc-wff-mergedcode1 (next-pc mergedcode) mergedcode)
                  (is-suffix mergedcode1 mergedcode)
                  (consp mergedcode1)
                  (not (isEnd (car mergedcode1))))
             (pc-wff-mergedcode1 (next-pc mergedcode1) mergedcode1))
    :rule-classes :forward-chaining))


(defthm searchStackFrame-reduce-specific
  (implies (and (is-suffix mergedcode1 mergedcode)
                (consp mergedcode1)
                (pc-wff-mergedcode1 (next-pc mergedcode) mergedcode)
                (not (isEnd (car mergedcode1)))
                (mergedcodeistypesafe env mergedcode init-frame)
                (<= (next-pc mergedcode1) pc))
           (equal (searchStackFrame pc (stack-map-wrap 
                                        (collect-sig-frame-vector 
                                         env mergedcode1 
                                         (collect-sig-frame-at-mergecode1 
                                          env mergedcode1 mergedcode init-frame))))
                  (searchStackFrame pc (stack-map-wrap 
                                        (collect-sig-frame-vector
                                         env mergedcode init-frame)))))
  :hints (("Goal" :in-theory (disable collect-sig-frame-vector
                                      mapOffset instrOffset next-pc
                                      mergedcodeistypesafe
                                      searchStackFrame-reduce
                                      isstackmapframe isstackmap isInstruction isEnd
                                      collect-sig-frame-at-mergecode1
                                      InstructionIsTypeSafe
                                      sig-do-inst
                                      jvm::inst-size
                                      is-suffix)
           :do-not-induct t
           :use ((:instance searchStackFrame-reduce
                            (stack-maps (collect-sig-frame-vector
                                         env mergedcode init-frame))
                            (stack-maps1 (collect-sig-frame-vector 
                                          env mergedcode1 
                                          (collect-sig-frame-at-mergecode1 
                                           env mergedcode1 mergedcode
                                           init-frame))))))))
                            

;----------------------------------------------------------------------
;; (i-am-here) ;;Sat Dec 31 02:02:14 2005

(defthm member-frame-ordered
  (implies (and (ordered (extract-pc mergedcode))
                (wff-merged-code-weak mergedcode)
                (isStackMap frame)
                (member frame (cdr mergedcode)))
           (<= (next-pc mergedcode)
               (mapOffset (getMap frame))))
    :hints (("Goal" :do-not '(generalize)
             :in-theory (disable 
                         mapOffset instrOffset
                         isstackmapframe isstackmap isInstruction isEnd
                         jvm::inst-size))))

;;;; Fri Dec 30 15:00:58 2005
;;;;; Fri Dec 30 17:54:07 2005


;; (defun wff-stack-map-offset (mergecode)
;;   (if (endp mergecode) t
;;     (if (isStackMap (car mergecode))
;;         (and (not (endp (cdr mergecode)))
;;              (equal (next-pc (cdr mergecode))
;;                     (mapoffset (getMap (car mergecode))))
;;              (wff-stack-map-offset (cdr mergecode)))
;;       (wff-stack-map-offset (cdr mergecode)))))



(defthm collect-sig-frame-vector-reduce
  (implies (and (isInstruction (car mergedcode4))
                (mergedcodeIsTypeSafe env mergedcode4 frame))
           (equal 
            (car (COLLECT-SIG-FRAME-VECTOR ENV MERGEDCODE4 frame))
            (list (instrOffset (car mergedcode4))
                  frame)))
  :hints (("Goal" :do-not '(generalize)
           :in-theory (disable instructionIsTypeSafe
                               instructionSatisfiesHandlers
                               instrOffset
                               jvm::inst-size
                               next-pc
                               sig-do-inst
                               isstackmap
                               makestackmap
                               allinstructions
                               isEnd
                               mapFrame
                               getMap 
                               mapOffset
                               frameIsAssignable
                               isInstruction
                               isStackMap))))



(defthm searchstackframe-reduce-2
  (implies (and (isInstruction (car mergedcode4))
                (mergedcodeIsTypeSafe env mergedcode4 frame)
                (equal (next-pc mergedcode4) pc))
           (equal 
            (searchstackframe pc 
                              (stack-map-wrap (COLLECT-SIG-FRAME-VECTOR ENV MERGEDCODE4 frame)))
            frame))
  :hints (("Goal" :do-not '(generalize)
           :in-theory (disable instructionIsTypeSafe
                               instructionSatisfiesHandlers
                               instrOffset
                               jvm::inst-size
                               next-pc
                               sig-do-inst
                               isstackmap
                               makestackmap
                               allinstructions
                               isEnd
                               mapFrame
                               getMap 
                               mapOffset
                               frameIsAssignable
                               isInstruction
                               isStackMap))))




(defthm collect-sig-frame-vector-reduce-2
  (implies (and (isStackMap (car mergedcode4))
                (wff-mergedcode-instr mergedcode4)
                (wff-stack-map-offset mergedcode4)
                (mergedcodeIsTypeSafe env mergedcode4 frame))
           (equal 
            (car (COLLECT-SIG-FRAME-VECTOR ENV MERGEDCODE4 frame))
            (list (mapOffset (getMap (car mergedcode4)))
                  (next-stackframe mergedcode4))))
  :hints (("Goal" :do-not '(generalize)
           :in-theory (disable instructionIsTypeSafe
                               instructionSatisfiesHandlers
                               instrOffset
                               jvm::inst-size
                               next-pc
                               sig-do-inst
                               isstackmap
                               makestackmap
                               allinstructions
                               isEnd
                               mapFrame
                               getMap 
                               mapOffset
                               frameIsAssignable
                               isInstruction
                               isStackMap))))


(defthm searchstackframe-reduce-3
  (implies (and (isStackMap (car mergedcode4))
                (wff-mergedcode-instr mergedcode4)
                (wff-stack-map-offset mergedcode4)
                (mergedcodeIsTypeSafe env mergedcode4 frame)
                (equal (next-pc mergedcode4) pc))
           (equal 
            (searchstackframe pc 
                              (stack-map-wrap (COLLECT-SIG-FRAME-VECTOR ENV MERGEDCODE4 frame)))
            (next-stackframe mergedcode4)))
  :hints (("Goal" :do-not '(generalize)
           :in-theory (disable instructionIsTypeSafe
                               instructionSatisfiesHandlers
                               instrOffset
                               jvm::inst-size
                               next-pc
                               sig-do-inst
                               isstackmap
                               makestackmap
                               allinstructions
                               isEnd
                               mapFrame
                               getMap 
                               mapOffset
                               frameIsAssignable
                               isInstruction
                               isStackMap))))


(defthm searchstackframe-reduce-4
  (implies (and (not (isInstruction (car mergedcode4)))
                (wff-mergedcode-instr mergedcode4)
                (extract-code mergedcode4)
                (wff-stack-map-offset mergedcode4)
                (wff-merged-code-weak mergedcode4)
                (mergedcodeIsTypeSafe env mergedcode4 frame)
                (equal (next-pc mergedcode4) pc))
           (equal 
            (searchstackframe pc 
                              (stack-map-wrap (COLLECT-SIG-FRAME-VECTOR ENV MERGEDCODE4 frame)))
            (next-stackframe mergedcode4)))
  :hints (("Goal" :do-not '(generalize)
           :in-theory (disable instructionIsTypeSafe
                               instructionSatisfiesHandlers
                               instrOffset
                               jvm::inst-size
                               next-pc
                               sig-do-inst
                               isstackmap
                               makestackmap
                               allinstructions
                               isEnd
                               mapFrame
                               getMap 
                               mapOffset
                               frameIsAssignable
                               isInstruction
                               isStackMap))))


(defthm wff-mergedcode-offset-tr-implies-consp-extract-pc
  (implies (and (MEMBER FRAME MERGEDCODE2)
                (wff-stack-map-offset mergedcode2)
                (wff-merged-code-weak mergedcode2)
                (ISSTACKMAP FRAME))
           (CONSP (EXTRACT-PC MERGEDCODE2)))
  :hints (("Goal" :in-theory (disable isstackmap
                                      isInstruction
                                      mapOffset
                                      instrOffset
                                      isEnd))))
                


;; (skip-proofs 
;;  (defthm wff-stack-map-offset-2-implies-not-equal-frame
;;    (implies (and (wff-stack-map-offset-2 mergedcode)
;;                  (member frame (cdr mergedcode))                
;;                  (isInstruction (car mergedcode))
;;                  (ordered (extract-pc mergedcode))
;;                  (consp mergedcode)
;;                  (consp (cdr mergedcode))
;;                  (not (isEnd (cadr mergedcode))))
;;             (not (equal (instrOffset (car mergedcode))
;;                         (mapOffset frame))))
;;    :rule-classes :forward-chaining))
                
            
(defthm ordered-implies-less-not-equal
  (implies (and (< pc (car (extract-pc mergedcode)))
                (ordered (extract-pc mergedcode))
                (isstackmap frame)
                (wff-merged-code-weak mergedcode)
                (member frame mergedcode)
                (< pc (car (extract-pc mergedcode))))
           (< pc (mapOffset (getMap frame))))
  :hints (("Goal" :in-theory (disable mapOffset 
                                      getMap
                                      isEnd
                                      instrOffset
                                      isInstruction
                                      isstackmap)))
  :rule-classes :forward-chaining)

;; (skip-proofs 
;;  (defthm member-frame-ordered
;;    (implies (and (ordered (extract-pc mergedcode))
;;                  (isStackMap frame)
;;                  (member frame (cdr mergedcode)))
;;             (<= (next-pc mergedcode)
;;                 (mapOffset (getMap frame))))))

(defthm collect-sig-frame-vector-collect-last-frame-lemma
  (implies (and (isStackMap frame)
                (member frame mergedcode)
                (ordered (extract-pc mergedcode))
                (wff-stack-map-offset mergedcode)
                (wff-stack-map-offset-2 mergedcode)
                (wff-merged-code-weak mergedcode)
                (wff-mergedcode-instr mergedcode)
                (mergedcodeistypesafe env mergedcode init-frame))
           (equal (searchStackFrame (mapOffset (getMap frame))
                                    (stack-map-wrap (collect-sig-frame-vector
                                                     env mergedcode
                                                     init-frame)))
                  (next-stackframe (suffix frame mergedcode))))
  :hints (("Goal" :do-not '(generalize fertilize)
           :in-theory (disable instructionIsTypeSafe
                               instructionSatisfiesHandlers
                               instrOffset
                               jvm::inst-size
                               next-pc
                               sig-do-inst
                               isstackmap
                               makestackmap
                               allinstructions
                               isEnd
                               mapFrame
                               getMap 
                               mapOffset
                               frameIsAssignable
                               isInstruction
                               isStackMap))))

;;;
;;; if we query the collected vector, we get the next stackframe right before
;;; the next instruction
;;;

                  
                  
(defthm pc-wff-mergedcode1-implies-wff-stack-map-offset
  (implies (pc-wff-mergedcode1 pc mergedcode)
           (wff-stack-map-offset mergedcode))
  :hints (("Goal" :in-theory (disable isInstruction isStackMap
                                      isEnd
                                      jvm::inst-size)))
  :rule-classes :forward-chaining)


                  
(defthm pc-wff-mergedcode1-implies-wff-merged-code-instr
  (implies (pc-wff-mergedcode1 pc mergedcode)
           (wff-mergedcode-instr mergedcode))
  :hints (("Goal" :in-theory (disable isInstruction isStackMap
                                      isEnd
                                      jvm::inst-size)))
  :rule-classes :forward-chaining)

           

(defthm pc-wff-mergedcode1-implies-ordered-extract-pc
  (implies (pc-wff-mergedcode1 pc mergedcode)
           (ordered (extract-pc mergedcode)))
  :hints (("Goal" :in-theory (disable isInstruction isStackMap
                                      isEnd
                                      jvm::inst-size)
           :do-not '(generalize)))
  :rule-classes :forward-chaining)


(defthm pc-wff-mergedcode1-implies-wff-stack-map-offset-2
  (implies (pc-wff-mergedcode1 pc mergedcode)
           (wff-stack-map-offset-2 mergedcode))
  :hints (("Goal" :in-theory (disable isInstruction isStackMap
                                      isEnd
                                      jvm::inst-size)
           :do-not '(generalize)))
  :rule-classes :forward-chaining)


(defthm collect-sig-frame-vector-collect-last-frame
  (implies (and (isStackMap frame)
                (member frame mergedcode)
                (pc-wff-mergedcode1 pc mergedcode)
                (mergedcodeistypesafe env mergedcode init-frame))
           (equal (searchStackFrame (mapOffset (getMap frame))
                                    (stack-map-wrap (collect-sig-frame-vector
                                                     env mergedcode
                                                     init-frame)))
                  (next-stackframe (suffix frame mergedcode))))
  :hints (("Goal" :do-not '(generalize)
           :in-theory (disable instructionIsTypeSafe
                               instructionSatisfiesHandlers
                               instrOffset
                               jvm::inst-size
                               next-pc
                               sig-do-inst
                               isstackmap
                               makestackmap
                               allinstructions
                               isEnd
                               mapFrame
                               getMap 
                               mapOffset
                               frameIsAssignable
                               isInstruction
                               isStackMap))))

;----------------------------------------------------------------------
;----------------------------------------------------------------------

(encapsulate () 
  (local (include-book "bcv-next-stackframe-equal-suffix-suffix"))
  (defthm is-suffix-then-suffix-is
    (implies (and (is-suffix mergedcode all-merged-code)
                  (ordered (extract-pc all-merged-code))
                  (wff-stack-map-offset-2 all-merged-code)
                  (wff-merged-code-weak all-merged-code)
                  (member (car mergedcode) all-merged-code)
                  (isStackMap (car mergedcode)))
             (equal (next-stackframe (suffix (car mergedcode) all-merged-code))
                    (next-stackframe mergedcode)))))


;; Thu Dec 29 17:57:49 2005
;;
;; complication if there is duplicated entries in mergedcode
;;

(defthm is-suffix-not-nil-member
  (implies (and (is-suffix mergedcode all-merged-code)
                (consp mergedcode))
           (member (CAR MERGEDCODE)
                   ALL-MERGED-CODE))
  :rule-classes :forward-chaining)

(defthm isStackMap-car-consp
  (implies (isStackMap (car mergedcode))
           (consp mergedcode))
  :rule-classes :forward-chaining)



(encapsulate () 
 (local (include-book "bcv-pc-wff-mergedcode1"))

(defthm is-suffix-pc-wff-mergecode1
  (implies (and (is-suffix mergedcode1 mergedcode)
                (consp mergedcode1)
                (not (isEnd (car mergedcode1)))
                (pc-wff-mergedcode1 pc mergedcode))
           (pc-wff-mergedcode1 (next-pc mergedcode1)
                               mergedcode1))
  :rule-classes :forward-chaining)



 (defthm pc-wff-mergedcode1-isStackMap-consp-remaining
   (implies (and (pc-wff-mergedcode1 pc mergedcode)
                 (isStackMap (car mergedcode)))
            (consp (cdr mergedcode)))
   :rule-classes :forward-chaining))

;; (i-am-here) ;; Sun Jan  1 20:22:02 2006

(defthm pc-wff-mergedcode1-isStackMap-consp-remaining-specific
  (implies 
   (AND (ISSTACKMAP MERGEDCODE1)
        (IS-SUFFIX (CONS MERGEDCODE1 MERGEDCODE2)
                   ALL-MERGED-CODE)
        (PC-WFF-MERGEDCODE1 PC ALL-MERGED-CODE))
   (consp mergedcode2))
  :hints (("Goal" :use ((:instance
                         pc-wff-mergedcode1-isStackMap-consp-remaining
                         (mergedcode (cons mergedcode1 mergedcode2))
                         (pc (next-pc (cons mergedcode1 mergedcode2))))
                        (:instance 
                         is-suffix-pc-wff-mergecode1
                         (mergedcode1 (cons mergedcode1 mergedcode2))
                         (mergedcode all-merged-code)))
           :in-theory (disable isstackmap pc-wff-mergedcode1
                               isEnd isInstruction
                               is-suffix-pc-wff-mergecode1
                               pc-wff-mergedcode1-isStackMap-consp-remaining
                               is-suffix)))
  :rule-classes :forward-chaining)


(defthm pc-wff-mergedcode1-mapOffset-equal-forward-to-next-inst
  (implies (and (pc-wff-mergedcode1 pc mergedcode)
                (isstackmap (car mergedcode)))
           (equal (instrOffset (car (forward-to-next-inst mergedcode)))
                  (mapOffset (getMap (car mergedcode)))))
  :hints (("Goal" :in-theory (disable isInstruction instrOffset mapOffset
                                      isstackmap isend))))


(defthm searchStackFrame-is-if-stack-map
  (implies (and (isStackMap (car mergedcode))
                (equal (forward-to-next-inst mergedcode) 
                       (forward-to-next-inst x))
                (is-suffix mergedcode all-merged-code)
                (PC-WFF-MERGEDCODE1 PC ALL-MERGED-CODE)
                (mergedcodeistypesafe env all-merged-code init-frame))
           (EQUAL
            (SEARCHSTACKFRAME
             (INSTROFFSET (CAR (FORWARD-TO-NEXT-INST x)))
             (STACK-MAP-WRAP (COLLECT-SIG-FRAME-VECTOR ENV all-merged-code
                                                       INIT-FRAME)))
            (NEXT-STACKFRAME mergedcode)))
  :hints (("Goal" :do-not '(generalize)
           :in-theory (disable instructionIsTypeSafe
                               instructionSatisfiesHandlers
                               instrOffset
                               sig-do-inst
                               allinstructions
                               isEnd
                               jvm::inst-size
                               mapFrame
                               getMap mapOffset
                               frameIsAssignable
                               isInstruction
                               isStackMap)
           :use ((:instance collect-sig-frame-vector-collect-last-frame
                            (frame (car mergedcode))
                            (mergedcode  all-merged-code))))))