test/Analysis/null-deref-path-notes.m

   1 // RUN: %clang_cc1 -analyze -analyzer-checker=core -analyzer-store=region -analyzer-output=text -fblocks -verify -Wno-objc-root-class %s
   2 // RUN: %clang_cc1 -analyze -analyzer-checker=core -analyzer-store=region -analyzer-output=plist-multi-file -analyzer-config path-diagnostics-alternate=false -fblocks -Wno-objc-root-class %s -o %t
   3 // RUN: FileCheck --input-file=%t %s
   4
   5 @interface Root {
   6 @public
   7   int uniqueID;
   8 }
   9 - (id)initWithID:(int)newID;
  10 - (void)refreshID;
  11 @end
  12
  13 int testNull(Root *obj) {
  14   if (obj) return 0;
  15   // expected-note@-1 {{Assuming 'obj' is nil}}
  16   // expected-note@-2 {{Taking false branch}}
  17
  18   int *x = &obj->uniqueID; // expected-note{{'x' initialized to a null pointer value}}
  19   return *x; // expected-warning{{Dereference of null pointer (loaded from variable 'x')}} expected-note{{Dereference of null pointer (loaded from variable 'x')}}
  20 }
  21
  22
  23 @interface Subclass : Root
  24 @end
  25
  26 @implementation Subclass
  27 - (id)initWithID:(int)newID {
  28   self = [super initWithID:newID]; // expected-note{{Value assigned to 'self'}}
  29   if (self) return self;
  30   // expected-note@-1 {{Assuming 'self' is nil}}
  31   // expected-note@-2 {{Taking false branch}}
  32
  33   uniqueID = newID; // expected-warning{{Access to instance variable 'uniqueID' results in a dereference of a null pointer (loaded from variable 'self')}} expected-note{{Access to instance variable 'uniqueID' results in a dereference of a null pointer (loaded from variable 'self')}}
  34   return self;
  35 }
  36
  37 @end
  38
  39 void repeatedStores(int coin) {
  40   int *p = 0;
  41   if (coin) {
  42     // expected-note@-1 {{Assuming 'coin' is 0}}
  43     // expected-note@-2 {{Taking false branch}}
  44     extern int *getPointer();
  45     p = getPointer();
  46   } else {
  47     p = 0; // expected-note {{Null pointer value stored to 'p'}}
  48   }
  49
  50   *p = 1; // expected-warning{{Dereference of null pointer}} expected-note{{Dereference of null pointer}}
  51 }
  52
  53
  54 // CHECK:  <key>diagnostics</key>
  55 // CHECK-NEXT:  <array>
  56 // CHECK-NEXT:   <dict>
  57 // CHECK-NEXT:    <key>path</key>
  58 // CHECK-NEXT:    <array>
  59 // CHECK-NEXT:     <dict>
  60 // CHECK-NEXT:      <key>kind</key><string>control</string>
  61 // CHECK-NEXT:      <key>edges</key>
  62 // CHECK-NEXT:       <array>
  63 // CHECK-NEXT:        <dict>
  64 // CHECK-NEXT:         <key>start</key>
  65 // CHECK-NEXT:          <array>
  66 // CHECK-NEXT:           <dict>
  67 // CHECK-NEXT:            <key>line</key><integer>14</integer>
  68 // CHECK-NEXT:            <key>col</key><integer>3</integer>
  69 // CHECK-NEXT:            <key>file</key><integer>0</integer>
  70 // CHECK-NEXT:           </dict>
  71 // CHECK-NEXT:           <dict>
  72 // CHECK-NEXT:            <key>line</key><integer>14</integer>
  73 // CHECK-NEXT:            <key>col</key><integer>4</integer>
  74 // CHECK-NEXT:            <key>file</key><integer>0</integer>
  75 // CHECK-NEXT:           </dict>
  76 // CHECK-NEXT:          </array>
  77 // CHECK-NEXT:         <key>end</key>
  78 // CHECK-NEXT:          <array>
  79 // CHECK-NEXT:           <dict>
  80 // CHECK-NEXT:            <key>line</key><integer>14</integer>
  81 // CHECK-NEXT:            <key>col</key><integer>7</integer>
  82 // CHECK-NEXT:            <key>file</key><integer>0</integer>
  83 // CHECK-NEXT:           </dict>
  84 // CHECK-NEXT:           <dict>
  85 // CHECK-NEXT:            <key>line</key><integer>14</integer>
  86 // CHECK-NEXT:            <key>col</key><integer>9</integer>
  87 // CHECK-NEXT:            <key>file</key><integer>0</integer>
  88 // CHECK-NEXT:           </dict>
  89 // CHECK-NEXT:          </array>
  90 // CHECK-NEXT:        </dict>
  91 // CHECK-NEXT:       </array>
  92 // CHECK-NEXT:     </dict>
  93 // CHECK-NEXT:     <dict>
  94 // CHECK-NEXT:      <key>kind</key><string>event</string>
  95 // CHECK-NEXT:      <key>location</key>
  96 // CHECK-NEXT:      <dict>
  97 // CHECK-NEXT:       <key>line</key><integer>14</integer>
  98 // CHECK-NEXT:       <key>col</key><integer>7</integer>
  99 // CHECK-NEXT:       <key>file</key><integer>0</integer>
 100 // CHECK-NEXT:      </dict>
 101 // CHECK-NEXT:      <key>ranges</key>
 102 // CHECK-NEXT:      <array>
 103 // CHECK-NEXT:        <array>
 104 // CHECK-NEXT:         <dict>
 105 // CHECK-NEXT:          <key>line</key><integer>14</integer>
 106 // CHECK-NEXT:          <key>col</key><integer>7</integer>
 107 // CHECK-NEXT:          <key>file</key><integer>0</integer>
 108 // CHECK-NEXT:         </dict>
 109 // CHECK-NEXT:         <dict>
 110 // CHECK-NEXT:          <key>line</key><integer>14</integer>
 111 // CHECK-NEXT:          <key>col</key><integer>9</integer>
 112 // CHECK-NEXT:          <key>file</key><integer>0</integer>
 113 // CHECK-NEXT:         </dict>
 114 // CHECK-NEXT:        </array>
 115 // CHECK-NEXT:      </array>
 116 // CHECK-NEXT:      <key>depth</key><integer>0</integer>
 117 // CHECK-NEXT:      <key>extended_message</key>
 118 // CHECK-NEXT:      <string>Assuming &apos;obj&apos; is nil</string>
 119 // CHECK-NEXT:      <key>message</key>
 120 // CHECK-NEXT:      <string>Assuming &apos;obj&apos; is nil</string>
 121 // CHECK-NEXT:     </dict>
 122 // CHECK-NEXT:     <dict>
 123 // CHECK-NEXT:      <key>kind</key><string>control</string>
 124 // CHECK-NEXT:      <key>edges</key>
 125 // CHECK-NEXT:       <array>
 126 // CHECK-NEXT:        <dict>
 127 // CHECK-NEXT:         <key>start</key>
 128 // CHECK-NEXT:          <array>
 129 // CHECK-NEXT:           <dict>
 130 // CHECK-NEXT:            <key>line</key><integer>14</integer>
 131 // CHECK-NEXT:            <key>col</key><integer>7</integer>
 132 // CHECK-NEXT:            <key>file</key><integer>0</integer>
 133 // CHECK-NEXT:           </dict>
 134 // CHECK-NEXT:           <dict>
 135 // CHECK-NEXT:            <key>line</key><integer>14</integer>
 136 // CHECK-NEXT:            <key>col</key><integer>9</integer>
 137 // CHECK-NEXT:            <key>file</key><integer>0</integer>
 138 // CHECK-NEXT:           </dict>
 139 // CHECK-NEXT:          </array>
 140 // CHECK-NEXT:         <key>end</key>
 141 // CHECK-NEXT:          <array>
 142 // CHECK-NEXT:           <dict>
 143 // CHECK-NEXT:            <key>line</key><integer>18</integer>
 144 // CHECK-NEXT:            <key>col</key><integer>3</integer>
 145 // CHECK-NEXT:            <key>file</key><integer>0</integer>
 146 // CHECK-NEXT:           </dict>
 147 // CHECK-NEXT:           <dict>
 148 // CHECK-NEXT:            <key>line</key><integer>18</integer>
 149 // CHECK-NEXT:            <key>col</key><integer>5</integer>
 150 // CHECK-NEXT:            <key>file</key><integer>0</integer>
 151 // CHECK-NEXT:           </dict>
 152 // CHECK-NEXT:          </array>
 153 // CHECK-NEXT:        </dict>
 154 // CHECK-NEXT:       </array>
 155 // CHECK-NEXT:     </dict>
 156 // CHECK-NEXT:     <dict>
 157 // CHECK-NEXT:      <key>kind</key><string>event</string>
 158 // CHECK-NEXT:      <key>location</key>
 159 // CHECK-NEXT:      <dict>
 160 // CHECK-NEXT:       <key>line</key><integer>18</integer>
 161 // CHECK-NEXT:       <key>col</key><integer>3</integer>
 162 // CHECK-NEXT:       <key>file</key><integer>0</integer>
 163 // CHECK-NEXT:      </dict>
 164 // CHECK-NEXT:      <key>ranges</key>
 165 // CHECK-NEXT:      <array>
 166 // CHECK-NEXT:        <array>
 167 // CHECK-NEXT:         <dict>
 168 // CHECK-NEXT:          <key>line</key><integer>18</integer>
 169 // CHECK-NEXT:          <key>col</key><integer>3</integer>
 170 // CHECK-NEXT:          <key>file</key><integer>0</integer>
 171 // CHECK-NEXT:         </dict>
 172 // CHECK-NEXT:         <dict>
 173 // CHECK-NEXT:          <key>line</key><integer>18</integer>
 174 // CHECK-NEXT:          <key>col</key><integer>8</integer>
 175 // CHECK-NEXT:          <key>file</key><integer>0</integer>
 176 // CHECK-NEXT:         </dict>
 177 // CHECK-NEXT:        </array>
 178 // CHECK-NEXT:      </array>
 179 // CHECK-NEXT:      <key>depth</key><integer>0</integer>
 180 // CHECK-NEXT:      <key>extended_message</key>
 181 // CHECK-NEXT:      <string>&apos;x&apos; initialized to a null pointer value</string>
 182 // CHECK-NEXT:      <key>message</key>
 183 // CHECK-NEXT:      <string>&apos;x&apos; initialized to a null pointer value</string>
 184 // CHECK-NEXT:     </dict>
 185 // CHECK-NEXT:     <dict>
 186 // CHECK-NEXT:      <key>kind</key><string>control</string>
 187 // CHECK-NEXT:      <key>edges</key>
 188 // CHECK-NEXT:       <array>
 189 // CHECK-NEXT:        <dict>
 190 // CHECK-NEXT:         <key>start</key>
 191 // CHECK-NEXT:          <array>
 192 // CHECK-NEXT:           <dict>
 193 // CHECK-NEXT:            <key>line</key><integer>18</integer>
 194 // CHECK-NEXT:            <key>col</key><integer>3</integer>
 195 // CHECK-NEXT:            <key>file</key><integer>0</integer>
 196 // CHECK-NEXT:           </dict>
 197 // CHECK-NEXT:           <dict>
 198 // CHECK-NEXT:            <key>line</key><integer>18</integer>
 199 // CHECK-NEXT:            <key>col</key><integer>5</integer>
 200 // CHECK-NEXT:            <key>file</key><integer>0</integer>
 201 // CHECK-NEXT:           </dict>
 202 // CHECK-NEXT:          </array>
 203 // CHECK-NEXT:         <key>end</key>
 204 // CHECK-NEXT:          <array>
 205 // CHECK-NEXT:           <dict>
 206 // CHECK-NEXT:            <key>line</key><integer>19</integer>
 207 // CHECK-NEXT:            <key>col</key><integer>3</integer>
 208 // CHECK-NEXT:            <key>file</key><integer>0</integer>
 209 // CHECK-NEXT:           </dict>
 210 // CHECK-NEXT:           <dict>
 211 // CHECK-NEXT:            <key>line</key><integer>19</integer>
 212 // CHECK-NEXT:            <key>col</key><integer>8</integer>
 213 // CHECK-NEXT:            <key>file</key><integer>0</integer>
 214 // CHECK-NEXT:           </dict>
 215 // CHECK-NEXT:          </array>
 216 // CHECK-NEXT:        </dict>
 217 // CHECK-NEXT:       </array>
 218 // CHECK-NEXT:     </dict>
 219 // CHECK-NEXT:     <dict>
 220 // CHECK-NEXT:      <key>kind</key><string>control</string>
 221 // CHECK-NEXT:      <key>edges</key>
 222 // CHECK-NEXT:       <array>
 223 // CHECK-NEXT:        <dict>
 224 // CHECK-NEXT:         <key>start</key>
 225 // CHECK-NEXT:          <array>
 226 // CHECK-NEXT:           <dict>
 227 // CHECK-NEXT:            <key>line</key><integer>19</integer>
 228 // CHECK-NEXT:            <key>col</key><integer>3</integer>
 229 // CHECK-NEXT:            <key>file</key><integer>0</integer>
 230 // CHECK-NEXT:           </dict>
 231 // CHECK-NEXT:           <dict>
 232 // CHECK-NEXT:            <key>line</key><integer>19</integer>
 233 // CHECK-NEXT:            <key>col</key><integer>8</integer>
 234 // CHECK-NEXT:            <key>file</key><integer>0</integer>
 235 // CHECK-NEXT:           </dict>
 236 // CHECK-NEXT:          </array>
 237 // CHECK-NEXT:         <key>end</key>
 238 // CHECK-NEXT:          <array>
 239 // CHECK-NEXT:           <dict>
 240 // CHECK-NEXT:            <key>line</key><integer>19</integer>
 241 // CHECK-NEXT:            <key>col</key><integer>10</integer>
 242 // CHECK-NEXT:            <key>file</key><integer>0</integer>
 243 // CHECK-NEXT:           </dict>
 244 // CHECK-NEXT:           <dict>
 245 // CHECK-NEXT:            <key>line</key><integer>19</integer>
 246 // CHECK-NEXT:            <key>col</key><integer>10</integer>
 247 // CHECK-NEXT:            <key>file</key><integer>0</integer>
 248 // CHECK-NEXT:           </dict>
 249 // CHECK-NEXT:          </array>
 250 // CHECK-NEXT:        </dict>
 251 // CHECK-NEXT:       </array>
 252 // CHECK-NEXT:     </dict>
 253 // CHECK-NEXT:     <dict>
 254 // CHECK-NEXT:      <key>kind</key><string>event</string>
 255 // CHECK-NEXT:      <key>location</key>
 256 // CHECK-NEXT:      <dict>
 257 // CHECK-NEXT:       <key>line</key><integer>19</integer>
 258 // CHECK-NEXT:       <key>col</key><integer>10</integer>
 259 // CHECK-NEXT:       <key>file</key><integer>0</integer>
 260 // CHECK-NEXT:      </dict>
 261 // CHECK-NEXT:      <key>ranges</key>
 262 // CHECK-NEXT:      <array>
 263 // CHECK-NEXT:        <array>
 264 // CHECK-NEXT:         <dict>
 265 // CHECK-NEXT:          <key>line</key><integer>19</integer>
 266 // CHECK-NEXT:          <key>col</key><integer>11</integer>
 267 // CHECK-NEXT:          <key>file</key><integer>0</integer>
 268 // CHECK-NEXT:         </dict>
 269 // CHECK-NEXT:         <dict>
 270 // CHECK-NEXT:          <key>line</key><integer>19</integer>
 271 // CHECK-NEXT:          <key>col</key><integer>11</integer>
 272 // CHECK-NEXT:          <key>file</key><integer>0</integer>
 273 // CHECK-NEXT:         </dict>
 274 // CHECK-NEXT:        </array>
 275 // CHECK-NEXT:      </array>
 276 // CHECK-NEXT:      <key>depth</key><integer>0</integer>
 277 // CHECK-NEXT:      <key>extended_message</key>
 278 // CHECK-NEXT:      <string>Dereference of null pointer (loaded from variable &apos;x&apos;)</string>
 279 // CHECK-NEXT:      <key>message</key>
 280 // CHECK-NEXT:      <string>Dereference of null pointer (loaded from variable &apos;x&apos;)</string>
 281 // CHECK-NEXT:     </dict>
 282 // CHECK-NEXT:    </array>
 283 // CHECK-NEXT:    <key>description</key><string>Dereference of null pointer (loaded from variable &apos;x&apos;)</string>
 284 // CHECK-NEXT:    <key>category</key><string>Logic error</string>
 285 // CHECK-NEXT:    <key>type</key><string>Dereference of null pointer</string>
 286 // CHECK-NEXT:    <key>check_name</key><string>core.NullDereference</string>
 287 // CHECK-NEXT:   <key>issue_context_kind</key><string>function</string>
 288 // CHECK-NEXT:   <key>issue_context</key><string>testNull</string>
 289 // CHECK-NEXT:   <key>issue_hash</key><string>6</string>
 290 // CHECK-NEXT:   <key>location</key>
 291 // CHECK-NEXT:   <dict>
 292 // CHECK-NEXT:    <key>line</key><integer>19</integer>
 293 // CHECK-NEXT:    <key>col</key><integer>10</integer>
 294 // CHECK-NEXT:    <key>file</key><integer>0</integer>
 295 // CHECK-NEXT:   </dict>
 296 // CHECK-NEXT:   </dict>
 297 // CHECK-NEXT:   <dict>
 298 // CHECK-NEXT:    <key>path</key>
 299 // CHECK-NEXT:    <array>
 300 // CHECK-NEXT:     <dict>
 301 // CHECK-NEXT:      <key>kind</key><string>event</string>
 302 // CHECK-NEXT:      <key>location</key>
 303 // CHECK-NEXT:      <dict>
 304 // CHECK-NEXT:       <key>line</key><integer>28</integer>
 305 // CHECK-NEXT:       <key>col</key><integer>3</integer>
 306 // CHECK-NEXT:       <key>file</key><integer>0</integer>
 307 // CHECK-NEXT:      </dict>
 308 // CHECK-NEXT:      <key>ranges</key>
 309 // CHECK-NEXT:      <array>
 310 // CHECK-NEXT:        <array>
 311 // CHECK-NEXT:         <dict>
 312 // CHECK-NEXT:          <key>line</key><integer>28</integer>
 313 // CHECK-NEXT:          <key>col</key><integer>3</integer>
 314 // CHECK-NEXT:          <key>file</key><integer>0</integer>
 315 // CHECK-NEXT:         </dict>
 316 // CHECK-NEXT:         <dict>
 317 // CHECK-NEXT:          <key>line</key><integer>28</integer>
 318 // CHECK-NEXT:          <key>col</key><integer>33</integer>
 319 // CHECK-NEXT:          <key>file</key><integer>0</integer>
 320 // CHECK-NEXT:         </dict>
 321 // CHECK-NEXT:        </array>
 322 // CHECK-NEXT:      </array>
 323 // CHECK-NEXT:      <key>depth</key><integer>0</integer>
 324 // CHECK-NEXT:      <key>extended_message</key>
 325 // CHECK-NEXT:      <string>Value assigned to &apos;self&apos;</string>
 326 // CHECK-NEXT:      <key>message</key>
 327 // CHECK-NEXT:      <string>Value assigned to &apos;self&apos;</string>
 328 // CHECK-NEXT:     </dict>
 329 // CHECK-NEXT:     <dict>
 330 // CHECK-NEXT:      <key>kind</key><string>control</string>
 331 // CHECK-NEXT:      <key>edges</key>
 332 // CHECK-NEXT:       <array>
 333 // CHECK-NEXT:        <dict>
 334 // CHECK-NEXT:         <key>start</key>
 335 // CHECK-NEXT:          <array>
 336 // CHECK-NEXT:           <dict>
 337 // CHECK-NEXT:            <key>line</key><integer>28</integer>
 338 // CHECK-NEXT:            <key>col</key><integer>3</integer>
 339 // CHECK-NEXT:            <key>file</key><integer>0</integer>
 340 // CHECK-NEXT:           </dict>
 341 // CHECK-NEXT:           <dict>
 342 // CHECK-NEXT:            <key>line</key><integer>28</integer>
 343 // CHECK-NEXT:            <key>col</key><integer>6</integer>
 344 // CHECK-NEXT:            <key>file</key><integer>0</integer>
 345 // CHECK-NEXT:           </dict>
 346 // CHECK-NEXT:          </array>
 347 // CHECK-NEXT:         <key>end</key>
 348 // CHECK-NEXT:          <array>
 349 // CHECK-NEXT:           <dict>
 350 // CHECK-NEXT:            <key>line</key><integer>29</integer>
 351 // CHECK-NEXT:            <key>col</key><integer>3</integer>
 352 // CHECK-NEXT:            <key>file</key><integer>0</integer>
 353 // CHECK-NEXT:           </dict>
 354 // CHECK-NEXT:           <dict>
 355 // CHECK-NEXT:            <key>line</key><integer>29</integer>
 356 // CHECK-NEXT:            <key>col</key><integer>4</integer>
 357 // CHECK-NEXT:            <key>file</key><integer>0</integer>
 358 // CHECK-NEXT:           </dict>
 359 // CHECK-NEXT:          </array>
 360 // CHECK-NEXT:        </dict>
 361 // CHECK-NEXT:       </array>
 362 // CHECK-NEXT:     </dict>
 363 // CHECK-NEXT:     <dict>
 364 // CHECK-NEXT:      <key>kind</key><string>control</string>
 365 // CHECK-NEXT:      <key>edges</key>
 366 // CHECK-NEXT:       <array>
 367 // CHECK-NEXT:        <dict>
 368 // CHECK-NEXT:         <key>start</key>
 369 // CHECK-NEXT:          <array>
 370 // CHECK-NEXT:           <dict>
 371 // CHECK-NEXT:            <key>line</key><integer>29</integer>
 372 // CHECK-NEXT:            <key>col</key><integer>3</integer>
 373 // CHECK-NEXT:            <key>file</key><integer>0</integer>
 374 // CHECK-NEXT:           </dict>
 375 // CHECK-NEXT:           <dict>
 376 // CHECK-NEXT:            <key>line</key><integer>29</integer>
 377 // CHECK-NEXT:            <key>col</key><integer>4</integer>
 378 // CHECK-NEXT:            <key>file</key><integer>0</integer>
 379 // CHECK-NEXT:           </dict>
 380 // CHECK-NEXT:          </array>
 381 // CHECK-NEXT:         <key>end</key>
 382 // CHECK-NEXT:          <array>
 383 // CHECK-NEXT:           <dict>
 384 // CHECK-NEXT:            <key>line</key><integer>29</integer>
 385 // CHECK-NEXT:            <key>col</key><integer>7</integer>
 386 // CHECK-NEXT:            <key>file</key><integer>0</integer>
 387 // CHECK-NEXT:           </dict>
 388 // CHECK-NEXT:           <dict>
 389 // CHECK-NEXT:            <key>line</key><integer>29</integer>
 390 // CHECK-NEXT:            <key>col</key><integer>10</integer>
 391 // CHECK-NEXT:            <key>file</key><integer>0</integer>
 392 // CHECK-NEXT:           </dict>
 393 // CHECK-NEXT:          </array>
 394 // CHECK-NEXT:        </dict>
 395 // CHECK-NEXT:       </array>
 396 // CHECK-NEXT:     </dict>
 397 // CHECK-NEXT:     <dict>
 398 // CHECK-NEXT:      <key>kind</key><string>event</string>
 399 // CHECK-NEXT:      <key>location</key>
 400 // CHECK-NEXT:      <dict>
 401 // CHECK-NEXT:       <key>line</key><integer>29</integer>
 402 // CHECK-NEXT:       <key>col</key><integer>7</integer>
 403 // CHECK-NEXT:       <key>file</key><integer>0</integer>
 404 // CHECK-NEXT:      </dict>
 405 // CHECK-NEXT:      <key>ranges</key>
 406 // CHECK-NEXT:      <array>
 407 // CHECK-NEXT:        <array>
 408 // CHECK-NEXT:         <dict>
 409 // CHECK-NEXT:          <key>line</key><integer>29</integer>
 410 // CHECK-NEXT:          <key>col</key><integer>7</integer>
 411 // CHECK-NEXT:          <key>file</key><integer>0</integer>
 412 // CHECK-NEXT:         </dict>
 413 // CHECK-NEXT:         <dict>
 414 // CHECK-NEXT:          <key>line</key><integer>29</integer>
 415 // CHECK-NEXT:          <key>col</key><integer>10</integer>
 416 // CHECK-NEXT:          <key>file</key><integer>0</integer>
 417 // CHECK-NEXT:         </dict>
 418 // CHECK-NEXT:        </array>
 419 // CHECK-NEXT:      </array>
 420 // CHECK-NEXT:      <key>depth</key><integer>0</integer>
 421 // CHECK-NEXT:      <key>extended_message</key>
 422 // CHECK-NEXT:      <string>Assuming &apos;self&apos; is nil</string>
 423 // CHECK-NEXT:      <key>message</key>
 424 // CHECK-NEXT:      <string>Assuming &apos;self&apos; is nil</string>
 425 // CHECK-NEXT:     </dict>
 426 // CHECK-NEXT:     <dict>
 427 // CHECK-NEXT:      <key>kind</key><string>control</string>
 428 // CHECK-NEXT:      <key>edges</key>
 429 // CHECK-NEXT:       <array>
 430 // CHECK-NEXT:        <dict>
 431 // CHECK-NEXT:         <key>start</key>
 432 // CHECK-NEXT:          <array>
 433 // CHECK-NEXT:           <dict>
 434 // CHECK-NEXT:            <key>line</key><integer>29</integer>
 435 // CHECK-NEXT:            <key>col</key><integer>7</integer>
 436 // CHECK-NEXT:            <key>file</key><integer>0</integer>
 437 // CHECK-NEXT:           </dict>
 438 // CHECK-NEXT:           <dict>
 439 // CHECK-NEXT:            <key>line</key><integer>29</integer>
 440 // CHECK-NEXT:            <key>col</key><integer>10</integer>
 441 // CHECK-NEXT:            <key>file</key><integer>0</integer>
 442 // CHECK-NEXT:           </dict>
 443 // CHECK-NEXT:          </array>
 444 // CHECK-NEXT:         <key>end</key>
 445 // CHECK-NEXT:          <array>
 446 // CHECK-NEXT:           <dict>
 447 // CHECK-NEXT:            <key>line</key><integer>33</integer>
 448 // CHECK-NEXT:            <key>col</key><integer>3</integer>
 449 // CHECK-NEXT:            <key>file</key><integer>0</integer>
 450 // CHECK-NEXT:           </dict>
 451 // CHECK-NEXT:           <dict>
 452 // CHECK-NEXT:            <key>line</key><integer>33</integer>
 453 // CHECK-NEXT:            <key>col</key><integer>10</integer>
 454 // CHECK-NEXT:            <key>file</key><integer>0</integer>
 455 // CHECK-NEXT:           </dict>
 456 // CHECK-NEXT:          </array>
 457 // CHECK-NEXT:        </dict>
 458 // CHECK-NEXT:       </array>
 459 // CHECK-NEXT:     </dict>
 460 // CHECK-NEXT:     <dict>
 461 // CHECK-NEXT:      <key>kind</key><string>control</string>
 462 // CHECK-NEXT:      <key>edges</key>
 463 // CHECK-NEXT:       <array>
 464 // CHECK-NEXT:        <dict>
 465 // CHECK-NEXT:         <key>start</key>
 466 // CHECK-NEXT:          <array>
 467 // CHECK-NEXT:           <dict>
 468 // CHECK-NEXT:            <key>line</key><integer>33</integer>
 469 // CHECK-NEXT:            <key>col</key><integer>3</integer>
 470 // CHECK-NEXT:            <key>file</key><integer>0</integer>
 471 // CHECK-NEXT:           </dict>
 472 // CHECK-NEXT:           <dict>
 473 // CHECK-NEXT:            <key>line</key><integer>33</integer>
 474 // CHECK-NEXT:            <key>col</key><integer>10</integer>
 475 // CHECK-NEXT:            <key>file</key><integer>0</integer>
 476 // CHECK-NEXT:           </dict>
 477 // CHECK-NEXT:          </array>
 478 // CHECK-NEXT:         <key>end</key>
 479 // CHECK-NEXT:          <array>
 480 // CHECK-NEXT:           <dict>
 481 // CHECK-NEXT:            <key>line</key><integer>33</integer>
 482 // CHECK-NEXT:            <key>col</key><integer>12</integer>
 483 // CHECK-NEXT:            <key>file</key><integer>0</integer>
 484 // CHECK-NEXT:           </dict>
 485 // CHECK-NEXT:           <dict>
 486 // CHECK-NEXT:            <key>line</key><integer>33</integer>
 487 // CHECK-NEXT:            <key>col</key><integer>12</integer>
 488 // CHECK-NEXT:            <key>file</key><integer>0</integer>
 489 // CHECK-NEXT:           </dict>
 490 // CHECK-NEXT:          </array>
 491 // CHECK-NEXT:        </dict>
 492 // CHECK-NEXT:       </array>
 493 // CHECK-NEXT:     </dict>
 494 // CHECK-NEXT:     <dict>
 495 // CHECK-NEXT:      <key>kind</key><string>event</string>
 496 // CHECK-NEXT:      <key>location</key>
 497 // CHECK-NEXT:      <dict>
 498 // CHECK-NEXT:       <key>line</key><integer>33</integer>
 499 // CHECK-NEXT:       <key>col</key><integer>12</integer>
 500 // CHECK-NEXT:       <key>file</key><integer>0</integer>
 501 // CHECK-NEXT:      </dict>
 502 // CHECK-NEXT:      <key>depth</key><integer>0</integer>
 503 // CHECK-NEXT:      <key>extended_message</key>
 504 // CHECK-NEXT:      <string>Access to instance variable &apos;uniqueID&apos; results in a dereference of a null pointer (loaded from variable &apos;self&apos;)</string>
 505 // CHECK-NEXT:      <key>message</key>
 506 // CHECK-NEXT:      <string>Access to instance variable &apos;uniqueID&apos; results in a dereference of a null pointer (loaded from variable &apos;self&apos;)</string>
 507 // CHECK-NEXT:     </dict>
 508 // CHECK-NEXT:    </array>
 509 // CHECK-NEXT:    <key>description</key><string>Access to instance variable &apos;uniqueID&apos; results in a dereference of a null pointer (loaded from variable &apos;self&apos;)</string>
 510 // CHECK-NEXT:    <key>category</key><string>Logic error</string>
 511 // CHECK-NEXT:    <key>type</key><string>Dereference of null pointer</string>
 512 // CHECK-NEXT:    <key>check_name</key><string>core.NullDereference</string>
 513 // CHECK-NEXT:   <key>issue_context_kind</key><string>Objective-C method</string>
 514 // CHECK-NEXT:   <key>issue_context</key><string>initWithID:</string>
 515 // CHECK-NEXT:   <key>issue_hash</key><string>6</string>
 516 // CHECK-NEXT:   <key>location</key>
 517 // CHECK-NEXT:   <dict>
 518 // CHECK-NEXT:    <key>line</key><integer>33</integer>
 519 // CHECK-NEXT:    <key>col</key><integer>12</integer>
 520 // CHECK-NEXT:    <key>file</key><integer>0</integer>
 521 // CHECK-NEXT:   </dict>
 522 // CHECK-NEXT:   </dict>
 523 // CHECK-NEXT:   <dict>
 524 // CHECK-NEXT:    <key>path</key>
 525 // CHECK-NEXT:    <array>
 526 // CHECK-NEXT:     <dict>
 527 // CHECK-NEXT:      <key>kind</key><string>control</string>
 528 // CHECK-NEXT:      <key>edges</key>
 529 // CHECK-NEXT:       <array>
 530 // CHECK-NEXT:        <dict>
 531 // CHECK-NEXT:         <key>start</key>
 532 // CHECK-NEXT:          <array>
 533 // CHECK-NEXT:           <dict>
 534 // CHECK-NEXT:            <key>line</key><integer>40</integer>
 535 // CHECK-NEXT:            <key>col</key><integer>3</integer>
 536 // CHECK-NEXT:            <key>file</key><integer>0</integer>
 537 // CHECK-NEXT:           </dict>
 538 // CHECK-NEXT:           <dict>
 539 // CHECK-NEXT:            <key>line</key><integer>40</integer>
 540 // CHECK-NEXT:            <key>col</key><integer>5</integer>
 541 // CHECK-NEXT:            <key>file</key><integer>0</integer>
 542 // CHECK-NEXT:           </dict>
 543 // CHECK-NEXT:          </array>
 544 // CHECK-NEXT:         <key>end</key>
 545 // CHECK-NEXT:          <array>
 546 // CHECK-NEXT:           <dict>
 547 // CHECK-NEXT:            <key>line</key><integer>41</integer>
 548 // CHECK-NEXT:            <key>col</key><integer>3</integer>
 549 // CHECK-NEXT:            <key>file</key><integer>0</integer>
 550 // CHECK-NEXT:           </dict>
 551 // CHECK-NEXT:           <dict>
 552 // CHECK-NEXT:            <key>line</key><integer>41</integer>
 553 // CHECK-NEXT:            <key>col</key><integer>4</integer>
 554 // CHECK-NEXT:            <key>file</key><integer>0</integer>
 555 // CHECK-NEXT:           </dict>
 556 // CHECK-NEXT:          </array>
 557 // CHECK-NEXT:        </dict>
 558 // CHECK-NEXT:       </array>
 559 // CHECK-NEXT:     </dict>
 560 // CHECK-NEXT:     <dict>
 561 // CHECK-NEXT:      <key>kind</key><string>control</string>
 562 // CHECK-NEXT:      <key>edges</key>
 563 // CHECK-NEXT:       <array>
 564 // CHECK-NEXT:        <dict>
 565 // CHECK-NEXT:         <key>start</key>
 566 // CHECK-NEXT:          <array>
 567 // CHECK-NEXT:           <dict>
 568 // CHECK-NEXT:            <key>line</key><integer>41</integer>
 569 // CHECK-NEXT:            <key>col</key><integer>3</integer>
 570 // CHECK-NEXT:            <key>file</key><integer>0</integer>
 571 // CHECK-NEXT:           </dict>
 572 // CHECK-NEXT:           <dict>
 573 // CHECK-NEXT:            <key>line</key><integer>41</integer>
 574 // CHECK-NEXT:            <key>col</key><integer>4</integer>
 575 // CHECK-NEXT:            <key>file</key><integer>0</integer>
 576 // CHECK-NEXT:           </dict>
 577 // CHECK-NEXT:          </array>
 578 // CHECK-NEXT:         <key>end</key>
 579 // CHECK-NEXT:          <array>
 580 // CHECK-NEXT:           <dict>
 581 // CHECK-NEXT:            <key>line</key><integer>41</integer>
 582 // CHECK-NEXT:            <key>col</key><integer>7</integer>
 583 // CHECK-NEXT:            <key>file</key><integer>0</integer>
 584 // CHECK-NEXT:           </dict>
 585 // CHECK-NEXT:           <dict>
 586 // CHECK-NEXT:            <key>line</key><integer>41</integer>
 587 // CHECK-NEXT:            <key>col</key><integer>10</integer>
 588 // CHECK-NEXT:            <key>file</key><integer>0</integer>
 589 // CHECK-NEXT:           </dict>
 590 // CHECK-NEXT:          </array>
 591 // CHECK-NEXT:        </dict>
 592 // CHECK-NEXT:       </array>
 593 // CHECK-NEXT:     </dict>
 594 // CHECK-NEXT:     <dict>
 595 // CHECK-NEXT:      <key>kind</key><string>event</string>
 596 // CHECK-NEXT:      <key>location</key>
 597 // CHECK-NEXT:      <dict>
 598 // CHECK-NEXT:       <key>line</key><integer>41</integer>
 599 // CHECK-NEXT:       <key>col</key><integer>7</integer>
 600 // CHECK-NEXT:       <key>file</key><integer>0</integer>
 601 // CHECK-NEXT:      </dict>
 602 // CHECK-NEXT:      <key>ranges</key>
 603 // CHECK-NEXT:      <array>
 604 // CHECK-NEXT:        <array>
 605 // CHECK-NEXT:         <dict>
 606 // CHECK-NEXT:          <key>line</key><integer>41</integer>
 607 // CHECK-NEXT:          <key>col</key><integer>7</integer>
 608 // CHECK-NEXT:          <key>file</key><integer>0</integer>
 609 // CHECK-NEXT:         </dict>
 610 // CHECK-NEXT:         <dict>
 611 // CHECK-NEXT:          <key>line</key><integer>41</integer>
 612 // CHECK-NEXT:          <key>col</key><integer>10</integer>
 613 // CHECK-NEXT:          <key>file</key><integer>0</integer>
 614 // CHECK-NEXT:         </dict>
 615 // CHECK-NEXT:        </array>
 616 // CHECK-NEXT:      </array>
 617 // CHECK-NEXT:      <key>depth</key><integer>0</integer>
 618 // CHECK-NEXT:      <key>extended_message</key>
 619 // CHECK-NEXT:      <string>Assuming &apos;coin&apos; is 0</string>
 620 // CHECK-NEXT:      <key>message</key>
 621 // CHECK-NEXT:      <string>Assuming &apos;coin&apos; is 0</string>
 622 // CHECK-NEXT:     </dict>
 623 // CHECK-NEXT:     <dict>
 624 // CHECK-NEXT:      <key>kind</key><string>control</string>
 625 // CHECK-NEXT:      <key>edges</key>
 626 // CHECK-NEXT:       <array>
 627 // CHECK-NEXT:        <dict>
 628 // CHECK-NEXT:         <key>start</key>
 629 // CHECK-NEXT:          <array>
 630 // CHECK-NEXT:           <dict>
 631 // CHECK-NEXT:            <key>line</key><integer>41</integer>
 632 // CHECK-NEXT:            <key>col</key><integer>7</integer>
 633 // CHECK-NEXT:            <key>file</key><integer>0</integer>
 634 // CHECK-NEXT:           </dict>
 635 // CHECK-NEXT:           <dict>
 636 // CHECK-NEXT:            <key>line</key><integer>41</integer>
 637 // CHECK-NEXT:            <key>col</key><integer>10</integer>
 638 // CHECK-NEXT:            <key>file</key><integer>0</integer>
 639 // CHECK-NEXT:           </dict>
 640 // CHECK-NEXT:          </array>
 641 // CHECK-NEXT:         <key>end</key>
 642 // CHECK-NEXT:          <array>
 643 // CHECK-NEXT:           <dict>
 644 // CHECK-NEXT:            <key>line</key><integer>47</integer>
 645 // CHECK-NEXT:            <key>col</key><integer>5</integer>
 646 // CHECK-NEXT:            <key>file</key><integer>0</integer>
 647 // CHECK-NEXT:           </dict>
 648 // CHECK-NEXT:           <dict>
 649 // CHECK-NEXT:            <key>line</key><integer>47</integer>
 650 // CHECK-NEXT:            <key>col</key><integer>5</integer>
 651 // CHECK-NEXT:            <key>file</key><integer>0</integer>
 652 // CHECK-NEXT:           </dict>
 653 // CHECK-NEXT:          </array>
 654 // CHECK-NEXT:        </dict>
 655 // CHECK-NEXT:       </array>
 656 // CHECK-NEXT:     </dict>
 657 // CHECK-NEXT:     <dict>
 658 // CHECK-NEXT:      <key>kind</key><string>event</string>
 659 // CHECK-NEXT:      <key>location</key>
 660 // CHECK-NEXT:      <dict>
 661 // CHECK-NEXT:       <key>line</key><integer>47</integer>
 662 // CHECK-NEXT:       <key>col</key><integer>5</integer>
 663 // CHECK-NEXT:       <key>file</key><integer>0</integer>
 664 // CHECK-NEXT:      </dict>
 665 // CHECK-NEXT:      <key>ranges</key>
 666 // CHECK-NEXT:      <array>
 667 // CHECK-NEXT:        <array>
 668 // CHECK-NEXT:         <dict>
 669 // CHECK-NEXT:          <key>line</key><integer>47</integer>
 670 // CHECK-NEXT:          <key>col</key><integer>5</integer>
 671 // CHECK-NEXT:          <key>file</key><integer>0</integer>
 672 // CHECK-NEXT:         </dict>
 673 // CHECK-NEXT:         <dict>
 674 // CHECK-NEXT:          <key>line</key><integer>47</integer>
 675 // CHECK-NEXT:          <key>col</key><integer>9</integer>
 676 // CHECK-NEXT:          <key>file</key><integer>0</integer>
 677 // CHECK-NEXT:         </dict>
 678 // CHECK-NEXT:        </array>
 679 // CHECK-NEXT:      </array>
 680 // CHECK-NEXT:      <key>depth</key><integer>0</integer>
 681 // CHECK-NEXT:      <key>extended_message</key>
 682 // CHECK-NEXT:      <string>Null pointer value stored to &apos;p&apos;</string>
 683 // CHECK-NEXT:      <key>message</key>
 684 // CHECK-NEXT:      <string>Null pointer value stored to &apos;p&apos;</string>
 685 // CHECK-NEXT:     </dict>
 686 // CHECK-NEXT:     <dict>
 687 // CHECK-NEXT:      <key>kind</key><string>control</string>
 688 // CHECK-NEXT:      <key>edges</key>
 689 // CHECK-NEXT:       <array>
 690 // CHECK-NEXT:        <dict>
 691 // CHECK-NEXT:         <key>start</key>
 692 // CHECK-NEXT:          <array>
 693 // CHECK-NEXT:           <dict>
 694 // CHECK-NEXT:            <key>line</key><integer>47</integer>
 695 // CHECK-NEXT:            <key>col</key><integer>5</integer>
 696 // CHECK-NEXT:            <key>file</key><integer>0</integer>
 697 // CHECK-NEXT:           </dict>
 698 // CHECK-NEXT:           <dict>
 699 // CHECK-NEXT:            <key>line</key><integer>47</integer>
 700 // CHECK-NEXT:            <key>col</key><integer>5</integer>
 701 // CHECK-NEXT:            <key>file</key><integer>0</integer>
 702 // CHECK-NEXT:           </dict>
 703 // CHECK-NEXT:          </array>
 704 // CHECK-NEXT:         <key>end</key>
 705 // CHECK-NEXT:          <array>
 706 // CHECK-NEXT:           <dict>
 707 // CHECK-NEXT:            <key>line</key><integer>50</integer>
 708 // CHECK-NEXT:            <key>col</key><integer>3</integer>
 709 // CHECK-NEXT:            <key>file</key><integer>0</integer>
 710 // CHECK-NEXT:           </dict>
 711 // CHECK-NEXT:           <dict>
 712 // CHECK-NEXT:            <key>line</key><integer>50</integer>
 713 // CHECK-NEXT:            <key>col</key><integer>3</integer>
 714 // CHECK-NEXT:            <key>file</key><integer>0</integer>
 715 // CHECK-NEXT:           </dict>
 716 // CHECK-NEXT:          </array>
 717 // CHECK-NEXT:        </dict>
 718 // CHECK-NEXT:       </array>
 719 // CHECK-NEXT:     </dict>
 720 // CHECK-NEXT:     <dict>
 721 // CHECK-NEXT:      <key>kind</key><string>control</string>
 722 // CHECK-NEXT:      <key>edges</key>
 723 // CHECK-NEXT:       <array>
 724 // CHECK-NEXT:        <dict>
 725 // CHECK-NEXT:         <key>start</key>
 726 // CHECK-NEXT:          <array>
 727 // CHECK-NEXT:           <dict>
 728 // CHECK-NEXT:            <key>line</key><integer>50</integer>
 729 // CHECK-NEXT:            <key>col</key><integer>3</integer>
 730 // CHECK-NEXT:            <key>file</key><integer>0</integer>
 731 // CHECK-NEXT:           </dict>
 732 // CHECK-NEXT:           <dict>
 733 // CHECK-NEXT:            <key>line</key><integer>50</integer>
 734 // CHECK-NEXT:            <key>col</key><integer>3</integer>
 735 // CHECK-NEXT:            <key>file</key><integer>0</integer>
 736 // CHECK-NEXT:           </dict>
 737 // CHECK-NEXT:          </array>
 738 // CHECK-NEXT:         <key>end</key>
 739 // CHECK-NEXT:          <array>
 740 // CHECK-NEXT:           <dict>
 741 // CHECK-NEXT:            <key>line</key><integer>50</integer>
 742 // CHECK-NEXT:            <key>col</key><integer>6</integer>
 743 // CHECK-NEXT:            <key>file</key><integer>0</integer>
 744 // CHECK-NEXT:           </dict>
 745 // CHECK-NEXT:           <dict>
 746 // CHECK-NEXT:            <key>line</key><integer>50</integer>
 747 // CHECK-NEXT:            <key>col</key><integer>6</integer>
 748 // CHECK-NEXT:            <key>file</key><integer>0</integer>
 749 // CHECK-NEXT:           </dict>
 750 // CHECK-NEXT:          </array>
 751 // CHECK-NEXT:        </dict>
 752 // CHECK-NEXT:       </array>
 753 // CHECK-NEXT:     </dict>
 754 // CHECK-NEXT:     <dict>
 755 // CHECK-NEXT:      <key>kind</key><string>event</string>
 756 // CHECK-NEXT:      <key>location</key>
 757 // CHECK-NEXT:      <dict>
 758 // CHECK-NEXT:       <key>line</key><integer>50</integer>
 759 // CHECK-NEXT:       <key>col</key><integer>6</integer>
 760 // CHECK-NEXT:       <key>file</key><integer>0</integer>
 761 // CHECK-NEXT:      </dict>
 762 // CHECK-NEXT:      <key>ranges</key>
 763 // CHECK-NEXT:      <array>
 764 // CHECK-NEXT:        <array>
 765 // CHECK-NEXT:         <dict>
 766 // CHECK-NEXT:          <key>line</key><integer>50</integer>
 767 // CHECK-NEXT:          <key>col</key><integer>4</integer>
 768 // CHECK-NEXT:          <key>file</key><integer>0</integer>
 769 // CHECK-NEXT:         </dict>
 770 // CHECK-NEXT:         <dict>
 771 // CHECK-NEXT:          <key>line</key><integer>50</integer>
 772 // CHECK-NEXT:          <key>col</key><integer>4</integer>
 773 // CHECK-NEXT:          <key>file</key><integer>0</integer>
 774 // CHECK-NEXT:         </dict>
 775 // CHECK-NEXT:        </array>
 776 // CHECK-NEXT:      </array>
 777 // CHECK-NEXT:      <key>depth</key><integer>0</integer>
 778 // CHECK-NEXT:      <key>extended_message</key>
 779 // CHECK-NEXT:      <string>Dereference of null pointer (loaded from variable &apos;p&apos;)</string>
 780 // CHECK-NEXT:      <key>message</key>
 781 // CHECK-NEXT:      <string>Dereference of null pointer (loaded from variable &apos;p&apos;)</string>
 782 // CHECK-NEXT:     </dict>
 783 // CHECK-NEXT:    </array>
 784 // CHECK-NEXT:    <key>description</key><string>Dereference of null pointer (loaded from variable &apos;p&apos;)</string>
 785 // CHECK-NEXT:    <key>category</key><string>Logic error</string>
 786 // CHECK-NEXT:    <key>type</key><string>Dereference of null pointer</string>
 787 // CHECK-NEXT:    <key>check_name</key><string>core.NullDereference</string>
 788 // CHECK-NEXT:   <key>issue_context_kind</key><string>function</string>
 789 // CHECK-NEXT:   <key>issue_context</key><string>repeatedStores</string>
 790 // CHECK-NEXT:   <key>issue_hash</key><string>11</string>
 791 // CHECK-NEXT:   <key>location</key>
 792 // CHECK-NEXT:   <dict>
 793 // CHECK-NEXT:    <key>line</key><integer>50</integer>
 794 // CHECK-NEXT:    <key>col</key><integer>6</integer>
 795 // CHECK-NEXT:    <key>file</key><integer>0</integer>
 796 // CHECK-NEXT:   </dict>
 797 // CHECK-NEXT:   </dict>
 798 // CHECK-NEXT:  </array>