deref-track-symbolic-region.c revision 048eeea6852043990c87e52938b53b5337bd098e 
1// RUN: %clang_cc1 -analyze -analyzer-checker=core -analyzer-output=text -verify %s
2// RUN: %clang_cc1 -analyze -analyzer-checker=core -analyzer-output=plist-multi-file -analyzer-config path-diagnostics-alternate=false %s -o %t.plist
3// RUN: FileCheck --input-file=%t.plist %s
4
5struct S {
6  int *x;
7  int y;
8};
9
10int *foo();
11
12void test(struct S syz, int *pp) {
13  int m = 0;
14  syz.x = foo(); // expected-note{{Value assigned to 'syz.x'}}
15
16  struct S *ps = &syz;
17  if (ps->x)
18    //expected-note@-1{{Taking false branch}}
19    //expected-note@-2{{Assuming pointer value is null}}
20
21    m++;
22
23  m += *syz.x; // expected-warning{{Dereference of null pointer (loaded from field 'x')}}
24  // expected-note@-1{{Dereference of null pointer (loaded from field 'x')}}
25}
26
27void testTrackConstraintBRVisitorIsTrackingTurnedOn(struct S syz, int *pp) {
28  int m = 0;
29  syz.x = foo(); // expected-note{{Value assigned to 'syz.x'}}
30
31  struct S *ps = &syz;
32  if (ps->x)
33    //expected-note@-1{{Taking false branch}}
34    //expected-note@-2{{Assuming pointer value is null}}
35
36    m++;
37  int *p = syz.x; //expected-note {{'p' initialized to a null pointer value}}
38  m = *p; // expected-warning {{Dereference of null pointer (loaded from variable 'p')}}
39          // expected-note@-1 {{Dereference of null pointer (loaded from variable 'p')}}
40}
41
42// CHECK:  <key>diagnostics</key>
43// CHECK-NEXT:  <array>
44// CHECK-NEXT:   <dict>
45// CHECK-NEXT:    <key>path</key>
46// CHECK-NEXT:    <array>
47// CHECK-NEXT:     <dict>
48// CHECK-NEXT:      <key>kind</key><string>control</string>
49// CHECK-NEXT:      <key>edges</key>
50// CHECK-NEXT:       <array>
51// CHECK-NEXT:        <dict>
52// CHECK-NEXT:         <key>start</key>
53// CHECK-NEXT:          <array>
54// CHECK-NEXT:           <dict>
55// CHECK-NEXT:            <key>line</key><integer>13</integer>
56// CHECK-NEXT:            <key>col</key><integer>3</integer>
57// CHECK-NEXT:            <key>file</key><integer>0</integer>
58// CHECK-NEXT:           </dict>
59// CHECK-NEXT:           <dict>
60// CHECK-NEXT:            <key>line</key><integer>13</integer>
61// CHECK-NEXT:            <key>col</key><integer>5</integer>
62// CHECK-NEXT:            <key>file</key><integer>0</integer>
63// CHECK-NEXT:           </dict>
64// CHECK-NEXT:          </array>
65// CHECK-NEXT:         <key>end</key>
66// CHECK-NEXT:          <array>
67// CHECK-NEXT:           <dict>
68// CHECK-NEXT:            <key>line</key><integer>14</integer>
69// CHECK-NEXT:            <key>col</key><integer>3</integer>
70// CHECK-NEXT:            <key>file</key><integer>0</integer>
71// CHECK-NEXT:           </dict>
72// CHECK-NEXT:           <dict>
73// CHECK-NEXT:            <key>line</key><integer>14</integer>
74// CHECK-NEXT:            <key>col</key><integer>5</integer>
75// CHECK-NEXT:            <key>file</key><integer>0</integer>
76// CHECK-NEXT:           </dict>
77// CHECK-NEXT:          </array>
78// CHECK-NEXT:        </dict>
79// CHECK-NEXT:       </array>
80// CHECK-NEXT:     </dict>
81// CHECK-NEXT:     <dict>
82// CHECK-NEXT:      <key>kind</key><string>event</string>
83// CHECK-NEXT:      <key>location</key>
84// CHECK-NEXT:      <dict>
85// CHECK-NEXT:       <key>line</key><integer>14</integer>
86// CHECK-NEXT:       <key>col</key><integer>3</integer>
87// CHECK-NEXT:       <key>file</key><integer>0</integer>
88// CHECK-NEXT:      </dict>
89// CHECK-NEXT:      <key>ranges</key>
90// CHECK-NEXT:      <array>
91// CHECK-NEXT:        <array>
92// CHECK-NEXT:         <dict>
93// CHECK-NEXT:          <key>line</key><integer>14</integer>
94// CHECK-NEXT:          <key>col</key><integer>3</integer>
95// CHECK-NEXT:          <key>file</key><integer>0</integer>
96// CHECK-NEXT:         </dict>
97// CHECK-NEXT:         <dict>
98// CHECK-NEXT:          <key>line</key><integer>14</integer>
99// CHECK-NEXT:          <key>col</key><integer>15</integer>
100// CHECK-NEXT:          <key>file</key><integer>0</integer>
101// CHECK-NEXT:         </dict>
102// CHECK-NEXT:        </array>
103// CHECK-NEXT:      </array>
104// CHECK-NEXT:      <key>depth</key><integer>0</integer>
105// CHECK-NEXT:      <key>extended_message</key>
106// CHECK-NEXT:      <string>Value assigned to &apos;syz.x&apos;</string>
107// CHECK-NEXT:      <key>message</key>
108// CHECK-NEXT:      <string>Value assigned to &apos;syz.x&apos;</string>
109// CHECK-NEXT:     </dict>
110// CHECK-NEXT:     <dict>
111// CHECK-NEXT:      <key>kind</key><string>control</string>
112// CHECK-NEXT:      <key>edges</key>
113// CHECK-NEXT:       <array>
114// CHECK-NEXT:        <dict>
115// CHECK-NEXT:         <key>start</key>
116// CHECK-NEXT:          <array>
117// CHECK-NEXT:           <dict>
118// CHECK-NEXT:            <key>line</key><integer>14</integer>
119// CHECK-NEXT:            <key>col</key><integer>3</integer>
120// CHECK-NEXT:            <key>file</key><integer>0</integer>
121// CHECK-NEXT:           </dict>
122// CHECK-NEXT:           <dict>
123// CHECK-NEXT:            <key>line</key><integer>14</integer>
124// CHECK-NEXT:            <key>col</key><integer>5</integer>
125// CHECK-NEXT:            <key>file</key><integer>0</integer>
126// CHECK-NEXT:           </dict>
127// CHECK-NEXT:          </array>
128// CHECK-NEXT:         <key>end</key>
129// CHECK-NEXT:          <array>
130// CHECK-NEXT:           <dict>
131// CHECK-NEXT:            <key>line</key><integer>17</integer>
132// CHECK-NEXT:            <key>col</key><integer>3</integer>
133// CHECK-NEXT:            <key>file</key><integer>0</integer>
134// CHECK-NEXT:           </dict>
135// CHECK-NEXT:           <dict>
136// CHECK-NEXT:            <key>line</key><integer>17</integer>
137// CHECK-NEXT:            <key>col</key><integer>4</integer>
138// CHECK-NEXT:            <key>file</key><integer>0</integer>
139// CHECK-NEXT:           </dict>
140// CHECK-NEXT:          </array>
141// CHECK-NEXT:        </dict>
142// CHECK-NEXT:       </array>
143// CHECK-NEXT:     </dict>
144// CHECK-NEXT:     <dict>
145// CHECK-NEXT:      <key>kind</key><string>control</string>
146// CHECK-NEXT:      <key>edges</key>
147// CHECK-NEXT:       <array>
148// CHECK-NEXT:        <dict>
149// CHECK-NEXT:         <key>start</key>
150// CHECK-NEXT:          <array>
151// CHECK-NEXT:           <dict>
152// CHECK-NEXT:            <key>line</key><integer>17</integer>
153// CHECK-NEXT:            <key>col</key><integer>3</integer>
154// CHECK-NEXT:            <key>file</key><integer>0</integer>
155// CHECK-NEXT:           </dict>
156// CHECK-NEXT:           <dict>
157// CHECK-NEXT:            <key>line</key><integer>17</integer>
158// CHECK-NEXT:            <key>col</key><integer>4</integer>
159// CHECK-NEXT:            <key>file</key><integer>0</integer>
160// CHECK-NEXT:           </dict>
161// CHECK-NEXT:          </array>
162// CHECK-NEXT:         <key>end</key>
163// CHECK-NEXT:          <array>
164// CHECK-NEXT:           <dict>
165// CHECK-NEXT:            <key>line</key><integer>17</integer>
166// CHECK-NEXT:            <key>col</key><integer>7</integer>
167// CHECK-NEXT:            <key>file</key><integer>0</integer>
168// CHECK-NEXT:           </dict>
169// CHECK-NEXT:           <dict>
170// CHECK-NEXT:            <key>line</key><integer>17</integer>
171// CHECK-NEXT:            <key>col</key><integer>8</integer>
172// CHECK-NEXT:            <key>file</key><integer>0</integer>
173// CHECK-NEXT:           </dict>
174// CHECK-NEXT:          </array>
175// CHECK-NEXT:        </dict>
176// CHECK-NEXT:       </array>
177// CHECK-NEXT:     </dict>
178// CHECK-NEXT:     <dict>
179// CHECK-NEXT:      <key>kind</key><string>event</string>
180// CHECK-NEXT:      <key>location</key>
181// CHECK-NEXT:      <dict>
182// CHECK-NEXT:       <key>line</key><integer>17</integer>
183// CHECK-NEXT:       <key>col</key><integer>7</integer>
184// CHECK-NEXT:       <key>file</key><integer>0</integer>
185// CHECK-NEXT:      </dict>
186// CHECK-NEXT:      <key>ranges</key>
187// CHECK-NEXT:      <array>
188// CHECK-NEXT:        <array>
189// CHECK-NEXT:         <dict>
190// CHECK-NEXT:          <key>line</key><integer>17</integer>
191// CHECK-NEXT:          <key>col</key><integer>7</integer>
192// CHECK-NEXT:          <key>file</key><integer>0</integer>
193// CHECK-NEXT:         </dict>
194// CHECK-NEXT:         <dict>
195// CHECK-NEXT:          <key>line</key><integer>17</integer>
196// CHECK-NEXT:          <key>col</key><integer>11</integer>
197// CHECK-NEXT:          <key>file</key><integer>0</integer>
198// CHECK-NEXT:         </dict>
199// CHECK-NEXT:        </array>
200// CHECK-NEXT:      </array>
201// CHECK-NEXT:      <key>depth</key><integer>0</integer>
202// CHECK-NEXT:      <key>extended_message</key>
203// CHECK-NEXT:      <string>Assuming pointer value is null</string>
204// CHECK-NEXT:      <key>message</key>
205// CHECK-NEXT:      <string>Assuming pointer value is null</string>
206// CHECK-NEXT:     </dict>
207// CHECK-NEXT:     <dict>
208// CHECK-NEXT:      <key>kind</key><string>control</string>
209// CHECK-NEXT:      <key>edges</key>
210// CHECK-NEXT:       <array>
211// CHECK-NEXT:        <dict>
212// CHECK-NEXT:         <key>start</key>
213// CHECK-NEXT:          <array>
214// CHECK-NEXT:           <dict>
215// CHECK-NEXT:            <key>line</key><integer>17</integer>
216// CHECK-NEXT:            <key>col</key><integer>7</integer>
217// CHECK-NEXT:            <key>file</key><integer>0</integer>
218// CHECK-NEXT:           </dict>
219// CHECK-NEXT:           <dict>
220// CHECK-NEXT:            <key>line</key><integer>17</integer>
221// CHECK-NEXT:            <key>col</key><integer>8</integer>
222// CHECK-NEXT:            <key>file</key><integer>0</integer>
223// CHECK-NEXT:           </dict>
224// CHECK-NEXT:          </array>
225// CHECK-NEXT:         <key>end</key>
226// CHECK-NEXT:          <array>
227// CHECK-NEXT:           <dict>
228// CHECK-NEXT:            <key>line</key><integer>23</integer>
229// CHECK-NEXT:            <key>col</key><integer>3</integer>
230// CHECK-NEXT:            <key>file</key><integer>0</integer>
231// CHECK-NEXT:           </dict>
232// CHECK-NEXT:           <dict>
233// CHECK-NEXT:            <key>line</key><integer>23</integer>
234// CHECK-NEXT:            <key>col</key><integer>3</integer>
235// CHECK-NEXT:            <key>file</key><integer>0</integer>
236// CHECK-NEXT:           </dict>
237// CHECK-NEXT:          </array>
238// CHECK-NEXT:        </dict>
239// CHECK-NEXT:       </array>
240// CHECK-NEXT:     </dict>
241// CHECK-NEXT:     <dict>
242// CHECK-NEXT:      <key>kind</key><string>control</string>
243// CHECK-NEXT:      <key>edges</key>
244// CHECK-NEXT:       <array>
245// CHECK-NEXT:        <dict>
246// CHECK-NEXT:         <key>start</key>
247// CHECK-NEXT:          <array>
248// CHECK-NEXT:           <dict>
249// CHECK-NEXT:            <key>line</key><integer>23</integer>
250// CHECK-NEXT:            <key>col</key><integer>3</integer>
251// CHECK-NEXT:            <key>file</key><integer>0</integer>
252// CHECK-NEXT:           </dict>
253// CHECK-NEXT:           <dict>
254// CHECK-NEXT:            <key>line</key><integer>23</integer>
255// CHECK-NEXT:            <key>col</key><integer>3</integer>
256// CHECK-NEXT:            <key>file</key><integer>0</integer>
257// CHECK-NEXT:           </dict>
258// CHECK-NEXT:          </array>
259// CHECK-NEXT:         <key>end</key>
260// CHECK-NEXT:          <array>
261// CHECK-NEXT:           <dict>
262// CHECK-NEXT:            <key>line</key><integer>23</integer>
263// CHECK-NEXT:            <key>col</key><integer>8</integer>
264// CHECK-NEXT:            <key>file</key><integer>0</integer>
265// CHECK-NEXT:           </dict>
266// CHECK-NEXT:           <dict>
267// CHECK-NEXT:            <key>line</key><integer>23</integer>
268// CHECK-NEXT:            <key>col</key><integer>8</integer>
269// CHECK-NEXT:            <key>file</key><integer>0</integer>
270// CHECK-NEXT:           </dict>
271// CHECK-NEXT:          </array>
272// CHECK-NEXT:        </dict>
273// CHECK-NEXT:       </array>
274// CHECK-NEXT:     </dict>
275// CHECK-NEXT:     <dict>
276// CHECK-NEXT:      <key>kind</key><string>event</string>
277// CHECK-NEXT:      <key>location</key>
278// CHECK-NEXT:      <dict>
279// CHECK-NEXT:       <key>line</key><integer>23</integer>
280// CHECK-NEXT:       <key>col</key><integer>8</integer>
281// CHECK-NEXT:       <key>file</key><integer>0</integer>
282// CHECK-NEXT:      </dict>
283// CHECK-NEXT:      <key>ranges</key>
284// CHECK-NEXT:      <array>
285// CHECK-NEXT:        <array>
286// CHECK-NEXT:         <dict>
287// CHECK-NEXT:          <key>line</key><integer>23</integer>
288// CHECK-NEXT:          <key>col</key><integer>13</integer>
289// CHECK-NEXT:          <key>file</key><integer>0</integer>
290// CHECK-NEXT:         </dict>
291// CHECK-NEXT:         <dict>
292// CHECK-NEXT:          <key>line</key><integer>23</integer>
293// CHECK-NEXT:          <key>col</key><integer>13</integer>
294// CHECK-NEXT:          <key>file</key><integer>0</integer>
295// CHECK-NEXT:         </dict>
296// CHECK-NEXT:        </array>
297// CHECK-NEXT:      </array>
298// CHECK-NEXT:      <key>depth</key><integer>0</integer>
299// CHECK-NEXT:      <key>extended_message</key>
300// CHECK-NEXT:      <string>Dereference of null pointer (loaded from field &apos;x&apos;)</string>
301// CHECK-NEXT:      <key>message</key>
302// CHECK-NEXT:      <string>Dereference of null pointer (loaded from field &apos;x&apos;)</string>
303// CHECK-NEXT:     </dict>
304// CHECK-NEXT:    </array>
305// CHECK-NEXT:    <key>description</key><string>Dereference of null pointer (loaded from field &apos;x&apos;)</string>
306// CHECK-NEXT:    <key>category</key><string>Logic error</string>
307// CHECK-NEXT:    <key>type</key><string>Dereference of null pointer</string>
308// CHECK-NEXT:   <key>issue_context_kind</key><string>function</string>
309// CHECK-NEXT:   <key>issue_context</key><string>test</string>
310// CHECK-NEXT:   <key>issue_hash</key><string>11</string>
311// CHECK-NEXT:   <key>location</key>
312// CHECK-NEXT:   <dict>
313// CHECK-NEXT:    <key>line</key><integer>23</integer>
314// CHECK-NEXT:    <key>col</key><integer>8</integer>
315// CHECK-NEXT:    <key>file</key><integer>0</integer>
316// CHECK-NEXT:   </dict>
317// CHECK-NEXT:   </dict>
318// CHECK-NEXT:   <dict>
319// CHECK-NEXT:    <key>path</key>
320// CHECK-NEXT:    <array>
321// CHECK-NEXT:     <dict>
322// CHECK-NEXT:      <key>kind</key><string>control</string>
323// CHECK-NEXT:      <key>edges</key>
324// CHECK-NEXT:       <array>
325// CHECK-NEXT:        <dict>
326// CHECK-NEXT:         <key>start</key>
327// CHECK-NEXT:          <array>
328// CHECK-NEXT:           <dict>
329// CHECK-NEXT:            <key>line</key><integer>28</integer>
330// CHECK-NEXT:            <key>col</key><integer>3</integer>
331// CHECK-NEXT:            <key>file</key><integer>0</integer>
332// CHECK-NEXT:           </dict>
333// CHECK-NEXT:           <dict>
334// CHECK-NEXT:            <key>line</key><integer>28</integer>
335// CHECK-NEXT:            <key>col</key><integer>5</integer>
336// CHECK-NEXT:            <key>file</key><integer>0</integer>
337// CHECK-NEXT:           </dict>
338// CHECK-NEXT:          </array>
339// CHECK-NEXT:         <key>end</key>
340// CHECK-NEXT:          <array>
341// CHECK-NEXT:           <dict>
342// CHECK-NEXT:            <key>line</key><integer>29</integer>
343// CHECK-NEXT:            <key>col</key><integer>3</integer>
344// CHECK-NEXT:            <key>file</key><integer>0</integer>
345// CHECK-NEXT:           </dict>
346// CHECK-NEXT:           <dict>
347// CHECK-NEXT:            <key>line</key><integer>29</integer>
348// CHECK-NEXT:            <key>col</key><integer>5</integer>
349// CHECK-NEXT:            <key>file</key><integer>0</integer>
350// CHECK-NEXT:           </dict>
351// CHECK-NEXT:          </array>
352// CHECK-NEXT:        </dict>
353// CHECK-NEXT:       </array>
354// CHECK-NEXT:     </dict>
355// CHECK-NEXT:     <dict>
356// CHECK-NEXT:      <key>kind</key><string>event</string>
357// CHECK-NEXT:      <key>location</key>
358// CHECK-NEXT:      <dict>
359// CHECK-NEXT:       <key>line</key><integer>29</integer>
360// CHECK-NEXT:       <key>col</key><integer>3</integer>
361// CHECK-NEXT:       <key>file</key><integer>0</integer>
362// CHECK-NEXT:      </dict>
363// CHECK-NEXT:      <key>ranges</key>
364// CHECK-NEXT:      <array>
365// CHECK-NEXT:        <array>
366// CHECK-NEXT:         <dict>
367// CHECK-NEXT:          <key>line</key><integer>29</integer>
368// CHECK-NEXT:          <key>col</key><integer>3</integer>
369// CHECK-NEXT:          <key>file</key><integer>0</integer>
370// CHECK-NEXT:         </dict>
371// CHECK-NEXT:         <dict>
372// CHECK-NEXT:          <key>line</key><integer>29</integer>
373// CHECK-NEXT:          <key>col</key><integer>15</integer>
374// CHECK-NEXT:          <key>file</key><integer>0</integer>
375// CHECK-NEXT:         </dict>
376// CHECK-NEXT:        </array>
377// CHECK-NEXT:      </array>
378// CHECK-NEXT:      <key>depth</key><integer>0</integer>
379// CHECK-NEXT:      <key>extended_message</key>
380// CHECK-NEXT:      <string>Value assigned to &apos;syz.x&apos;</string>
381// CHECK-NEXT:      <key>message</key>
382// CHECK-NEXT:      <string>Value assigned to &apos;syz.x&apos;</string>
383// CHECK-NEXT:     </dict>
384// CHECK-NEXT:     <dict>
385// CHECK-NEXT:      <key>kind</key><string>control</string>
386// CHECK-NEXT:      <key>edges</key>
387// CHECK-NEXT:       <array>
388// CHECK-NEXT:        <dict>
389// CHECK-NEXT:         <key>start</key>
390// CHECK-NEXT:          <array>
391// CHECK-NEXT:           <dict>
392// CHECK-NEXT:            <key>line</key><integer>29</integer>
393// CHECK-NEXT:            <key>col</key><integer>3</integer>
394// CHECK-NEXT:            <key>file</key><integer>0</integer>
395// CHECK-NEXT:           </dict>
396// CHECK-NEXT:           <dict>
397// CHECK-NEXT:            <key>line</key><integer>29</integer>
398// CHECK-NEXT:            <key>col</key><integer>5</integer>
399// CHECK-NEXT:            <key>file</key><integer>0</integer>
400// CHECK-NEXT:           </dict>
401// CHECK-NEXT:          </array>
402// CHECK-NEXT:         <key>end</key>
403// CHECK-NEXT:          <array>
404// CHECK-NEXT:           <dict>
405// CHECK-NEXT:            <key>line</key><integer>32</integer>
406// CHECK-NEXT:            <key>col</key><integer>3</integer>
407// CHECK-NEXT:            <key>file</key><integer>0</integer>
408// CHECK-NEXT:           </dict>
409// CHECK-NEXT:           <dict>
410// CHECK-NEXT:            <key>line</key><integer>32</integer>
411// CHECK-NEXT:            <key>col</key><integer>4</integer>
412// CHECK-NEXT:            <key>file</key><integer>0</integer>
413// CHECK-NEXT:           </dict>
414// CHECK-NEXT:          </array>
415// CHECK-NEXT:        </dict>
416// CHECK-NEXT:       </array>
417// CHECK-NEXT:     </dict>
418// CHECK-NEXT:     <dict>
419// CHECK-NEXT:      <key>kind</key><string>control</string>
420// CHECK-NEXT:      <key>edges</key>
421// CHECK-NEXT:       <array>
422// CHECK-NEXT:        <dict>
423// CHECK-NEXT:         <key>start</key>
424// CHECK-NEXT:          <array>
425// CHECK-NEXT:           <dict>
426// CHECK-NEXT:            <key>line</key><integer>32</integer>
427// CHECK-NEXT:            <key>col</key><integer>3</integer>
428// CHECK-NEXT:            <key>file</key><integer>0</integer>
429// CHECK-NEXT:           </dict>
430// CHECK-NEXT:           <dict>
431// CHECK-NEXT:            <key>line</key><integer>32</integer>
432// CHECK-NEXT:            <key>col</key><integer>4</integer>
433// CHECK-NEXT:            <key>file</key><integer>0</integer>
434// CHECK-NEXT:           </dict>
435// CHECK-NEXT:          </array>
436// CHECK-NEXT:         <key>end</key>
437// CHECK-NEXT:          <array>
438// CHECK-NEXT:           <dict>
439// CHECK-NEXT:            <key>line</key><integer>32</integer>
440// CHECK-NEXT:            <key>col</key><integer>7</integer>
441// CHECK-NEXT:            <key>file</key><integer>0</integer>
442// CHECK-NEXT:           </dict>
443// CHECK-NEXT:           <dict>
444// CHECK-NEXT:            <key>line</key><integer>32</integer>
445// CHECK-NEXT:            <key>col</key><integer>8</integer>
446// CHECK-NEXT:            <key>file</key><integer>0</integer>
447// CHECK-NEXT:           </dict>
448// CHECK-NEXT:          </array>
449// CHECK-NEXT:        </dict>
450// CHECK-NEXT:       </array>
451// CHECK-NEXT:     </dict>
452// CHECK-NEXT:     <dict>
453// CHECK-NEXT:      <key>kind</key><string>event</string>
454// CHECK-NEXT:      <key>location</key>
455// CHECK-NEXT:      <dict>
456// CHECK-NEXT:       <key>line</key><integer>32</integer>
457// CHECK-NEXT:       <key>col</key><integer>7</integer>
458// CHECK-NEXT:       <key>file</key><integer>0</integer>
459// CHECK-NEXT:      </dict>
460// CHECK-NEXT:      <key>ranges</key>
461// CHECK-NEXT:      <array>
462// CHECK-NEXT:        <array>
463// CHECK-NEXT:         <dict>
464// CHECK-NEXT:          <key>line</key><integer>32</integer>
465// CHECK-NEXT:          <key>col</key><integer>7</integer>
466// CHECK-NEXT:          <key>file</key><integer>0</integer>
467// CHECK-NEXT:         </dict>
468// CHECK-NEXT:         <dict>
469// CHECK-NEXT:          <key>line</key><integer>32</integer>
470// CHECK-NEXT:          <key>col</key><integer>11</integer>
471// CHECK-NEXT:          <key>file</key><integer>0</integer>
472// CHECK-NEXT:         </dict>
473// CHECK-NEXT:        </array>
474// CHECK-NEXT:      </array>
475// CHECK-NEXT:      <key>depth</key><integer>0</integer>
476// CHECK-NEXT:      <key>extended_message</key>
477// CHECK-NEXT:      <string>Assuming pointer value is null</string>
478// CHECK-NEXT:      <key>message</key>
479// CHECK-NEXT:      <string>Assuming pointer value is null</string>
480// CHECK-NEXT:     </dict>
481// CHECK-NEXT:     <dict>
482// CHECK-NEXT:      <key>kind</key><string>control</string>
483// CHECK-NEXT:      <key>edges</key>
484// CHECK-NEXT:       <array>
485// CHECK-NEXT:        <dict>
486// CHECK-NEXT:         <key>start</key>
487// CHECK-NEXT:          <array>
488// CHECK-NEXT:           <dict>
489// CHECK-NEXT:            <key>line</key><integer>32</integer>
490// CHECK-NEXT:            <key>col</key><integer>7</integer>
491// CHECK-NEXT:            <key>file</key><integer>0</integer>
492// CHECK-NEXT:           </dict>
493// CHECK-NEXT:           <dict>
494// CHECK-NEXT:            <key>line</key><integer>32</integer>
495// CHECK-NEXT:            <key>col</key><integer>8</integer>
496// CHECK-NEXT:            <key>file</key><integer>0</integer>
497// CHECK-NEXT:           </dict>
498// CHECK-NEXT:          </array>
499// CHECK-NEXT:         <key>end</key>
500// CHECK-NEXT:          <array>
501// CHECK-NEXT:           <dict>
502// CHECK-NEXT:            <key>line</key><integer>37</integer>
503// CHECK-NEXT:            <key>col</key><integer>3</integer>
504// CHECK-NEXT:            <key>file</key><integer>0</integer>
505// CHECK-NEXT:           </dict>
506// CHECK-NEXT:           <dict>
507// CHECK-NEXT:            <key>line</key><integer>37</integer>
508// CHECK-NEXT:            <key>col</key><integer>5</integer>
509// CHECK-NEXT:            <key>file</key><integer>0</integer>
510// CHECK-NEXT:           </dict>
511// CHECK-NEXT:          </array>
512// CHECK-NEXT:        </dict>
513// CHECK-NEXT:       </array>
514// CHECK-NEXT:     </dict>
515// CHECK-NEXT:     <dict>
516// CHECK-NEXT:      <key>kind</key><string>event</string>
517// CHECK-NEXT:      <key>location</key>
518// CHECK-NEXT:      <dict>
519// CHECK-NEXT:       <key>line</key><integer>37</integer>
520// CHECK-NEXT:       <key>col</key><integer>3</integer>
521// CHECK-NEXT:       <key>file</key><integer>0</integer>
522// CHECK-NEXT:      </dict>
523// CHECK-NEXT:      <key>ranges</key>
524// CHECK-NEXT:      <array>
525// CHECK-NEXT:        <array>
526// CHECK-NEXT:         <dict>
527// CHECK-NEXT:          <key>line</key><integer>37</integer>
528// CHECK-NEXT:          <key>col</key><integer>3</integer>
529// CHECK-NEXT:          <key>file</key><integer>0</integer>
530// CHECK-NEXT:         </dict>
531// CHECK-NEXT:         <dict>
532// CHECK-NEXT:          <key>line</key><integer>37</integer>
533// CHECK-NEXT:          <key>col</key><integer>8</integer>
534// CHECK-NEXT:          <key>file</key><integer>0</integer>
535// CHECK-NEXT:         </dict>
536// CHECK-NEXT:        </array>
537// CHECK-NEXT:      </array>
538// CHECK-NEXT:      <key>depth</key><integer>0</integer>
539// CHECK-NEXT:      <key>extended_message</key>
540// CHECK-NEXT:      <string>&apos;p&apos; initialized to a null pointer value</string>
541// CHECK-NEXT:      <key>message</key>
542// CHECK-NEXT:      <string>&apos;p&apos; initialized to a null pointer value</string>
543// CHECK-NEXT:     </dict>
544// CHECK-NEXT:     <dict>
545// CHECK-NEXT:      <key>kind</key><string>control</string>
546// CHECK-NEXT:      <key>edges</key>
547// CHECK-NEXT:       <array>
548// CHECK-NEXT:        <dict>
549// CHECK-NEXT:         <key>start</key>
550// CHECK-NEXT:          <array>
551// CHECK-NEXT:           <dict>
552// CHECK-NEXT:            <key>line</key><integer>37</integer>
553// CHECK-NEXT:            <key>col</key><integer>3</integer>
554// CHECK-NEXT:            <key>file</key><integer>0</integer>
555// CHECK-NEXT:           </dict>
556// CHECK-NEXT:           <dict>
557// CHECK-NEXT:            <key>line</key><integer>37</integer>
558// CHECK-NEXT:            <key>col</key><integer>5</integer>
559// CHECK-NEXT:            <key>file</key><integer>0</integer>
560// CHECK-NEXT:           </dict>
561// CHECK-NEXT:          </array>
562// CHECK-NEXT:         <key>end</key>
563// CHECK-NEXT:          <array>
564// CHECK-NEXT:           <dict>
565// CHECK-NEXT:            <key>line</key><integer>38</integer>
566// CHECK-NEXT:            <key>col</key><integer>3</integer>
567// CHECK-NEXT:            <key>file</key><integer>0</integer>
568// CHECK-NEXT:           </dict>
569// CHECK-NEXT:           <dict>
570// CHECK-NEXT:            <key>line</key><integer>38</integer>
571// CHECK-NEXT:            <key>col</key><integer>3</integer>
572// CHECK-NEXT:            <key>file</key><integer>0</integer>
573// CHECK-NEXT:           </dict>
574// CHECK-NEXT:          </array>
575// CHECK-NEXT:        </dict>
576// CHECK-NEXT:       </array>
577// CHECK-NEXT:     </dict>
578// CHECK-NEXT:     <dict>
579// CHECK-NEXT:      <key>kind</key><string>control</string>
580// CHECK-NEXT:      <key>edges</key>
581// CHECK-NEXT:       <array>
582// CHECK-NEXT:        <dict>
583// CHECK-NEXT:         <key>start</key>
584// CHECK-NEXT:          <array>
585// CHECK-NEXT:           <dict>
586// CHECK-NEXT:            <key>line</key><integer>38</integer>
587// CHECK-NEXT:            <key>col</key><integer>3</integer>
588// CHECK-NEXT:            <key>file</key><integer>0</integer>
589// CHECK-NEXT:           </dict>
590// CHECK-NEXT:           <dict>
591// CHECK-NEXT:            <key>line</key><integer>38</integer>
592// CHECK-NEXT:            <key>col</key><integer>3</integer>
593// CHECK-NEXT:            <key>file</key><integer>0</integer>
594// CHECK-NEXT:           </dict>
595// CHECK-NEXT:          </array>
596// CHECK-NEXT:         <key>end</key>
597// CHECK-NEXT:          <array>
598// CHECK-NEXT:           <dict>
599// CHECK-NEXT:            <key>line</key><integer>38</integer>
600// CHECK-NEXT:            <key>col</key><integer>7</integer>
601// CHECK-NEXT:            <key>file</key><integer>0</integer>
602// CHECK-NEXT:           </dict>
603// CHECK-NEXT:           <dict>
604// CHECK-NEXT:            <key>line</key><integer>38</integer>
605// CHECK-NEXT:            <key>col</key><integer>7</integer>
606// CHECK-NEXT:            <key>file</key><integer>0</integer>
607// CHECK-NEXT:           </dict>
608// CHECK-NEXT:          </array>
609// CHECK-NEXT:        </dict>
610// CHECK-NEXT:       </array>
611// CHECK-NEXT:     </dict>
612// CHECK-NEXT:     <dict>
613// CHECK-NEXT:      <key>kind</key><string>event</string>
614// CHECK-NEXT:      <key>location</key>
615// CHECK-NEXT:      <dict>
616// CHECK-NEXT:       <key>line</key><integer>38</integer>
617// CHECK-NEXT:       <key>col</key><integer>7</integer>
618// CHECK-NEXT:       <key>file</key><integer>0</integer>
619// CHECK-NEXT:      </dict>
620// CHECK-NEXT:      <key>ranges</key>
621// CHECK-NEXT:      <array>
622// CHECK-NEXT:        <array>
623// CHECK-NEXT:         <dict>
624// CHECK-NEXT:          <key>line</key><integer>38</integer>
625// CHECK-NEXT:          <key>col</key><integer>8</integer>
626// CHECK-NEXT:          <key>file</key><integer>0</integer>
627// CHECK-NEXT:         </dict>
628// CHECK-NEXT:         <dict>
629// CHECK-NEXT:          <key>line</key><integer>38</integer>
630// CHECK-NEXT:          <key>col</key><integer>8</integer>
631// CHECK-NEXT:          <key>file</key><integer>0</integer>
632// CHECK-NEXT:         </dict>
633// CHECK-NEXT:        </array>
634// CHECK-NEXT:      </array>
635// CHECK-NEXT:      <key>depth</key><integer>0</integer>
636// CHECK-NEXT:      <key>extended_message</key>
637// CHECK-NEXT:      <string>Dereference of null pointer (loaded from variable &apos;p&apos;)</string>
638// CHECK-NEXT:      <key>message</key>
639// CHECK-NEXT:      <string>Dereference of null pointer (loaded from variable &apos;p&apos;)</string>
640// CHECK-NEXT:     </dict>
641// CHECK-NEXT:    </array>
642// CHECK-NEXT:    <key>description</key><string>Dereference of null pointer (loaded from variable &apos;p&apos;)</string>
643// CHECK-NEXT:    <key>category</key><string>Logic error</string>
644// CHECK-NEXT:    <key>type</key><string>Dereference of null pointer</string>
645// CHECK-NEXT:   <key>issue_context_kind</key><string>function</string>
646// CHECK-NEXT:   <key>issue_context</key><string>testTrackConstraintBRVisitorIsTrackingTurnedOn</string>
647// CHECK-NEXT:   <key>issue_hash</key><string>11</string>
648// CHECK-NEXT:   <key>location</key>
649// CHECK-NEXT:   <dict>
650// CHECK-NEXT:    <key>line</key><integer>38</integer>
651// CHECK-NEXT:    <key>col</key><integer>7</integer>
652// CHECK-NEXT:    <key>file</key><integer>0</integer>
653// CHECK-NEXT:   </dict>
654// CHECK-NEXT:   </dict>
655// CHECK-NEXT:  </array>
656