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C++: SimpleRangeAnalysis: unsigned multiplication

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This commit is contained in:
Jonas Jensen
2020-08-11 11:55:39 +02:00
parent 2ea25b9d90
commit 1ee96a4b4f
4 changed files with 48 additions and 26 deletions
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24
cpp/ql/test/library-tests/rangeanalysis/SimpleRangeAnalysis/lowerBound.expected
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@@ -447,40 +447,40 @@
| test.c:433:13:433:13 | a | 3 |
| test.c:433:15:433:15 | b | 5 |
| test.c:434:5:434:9 | total | 0 |
| test.c:434:14:434:14 | r | -2147483648 |
| test.c:434:14:434:14 | r | 15 |
| test.c:436:12:436:12 | a | 0 |
| test.c:436:17:436:17 | a | 3 |
| test.c:436:33:436:33 | b | 0 |
| test.c:436:38:436:38 | b | 0 |
| test.c:437:13:437:13 | a | 3 |
| test.c:437:15:437:15 | b | 0 |
| test.c:438:5:438:9 | total | -2147483648 |
| test.c:438:14:438:14 | r | -2147483648 |
| test.c:438:5:438:9 | total | 0 |
| test.c:438:14:438:14 | r | 0 |
| test.c:440:12:440:12 | a | 0 |
| test.c:440:17:440:17 | a | 3 |
| test.c:440:34:440:34 | b | 0 |
| test.c:440:39:440:39 | b | 13 |
| test.c:441:13:441:13 | a | 3 |
| test.c:441:15:441:15 | b | 13 |
| test.c:442:5:442:9 | total | -2147483648 |
| test.c:442:14:442:14 | r | -2147483648 |
| test.c:445:10:445:14 | total | -2147483648 |
| test.c:442:5:442:9 | total | 0 |
| test.c:442:14:442:14 | r | 39 |
| test.c:445:10:445:14 | total | 0 |
| test.c:451:12:451:12 | b | 0 |
| test.c:451:17:451:17 | b | 5 |
| test.c:452:16:452:16 | b | 5 |
| test.c:453:5:453:9 | total | 0 |
| test.c:453:14:453:14 | r | -2147483648 |
| test.c:453:14:453:14 | r | 55 |
| test.c:455:12:455:12 | b | 0 |
| test.c:455:17:455:17 | b | 0 |
| test.c:456:16:456:16 | b | 0 |
| test.c:457:5:457:9 | total | -2147483648 |
| test.c:457:14:457:14 | r | -2147483648 |
| test.c:457:5:457:9 | total | 0 |
| test.c:457:14:457:14 | r | 0 |
| test.c:459:13:459:13 | b | 0 |
| test.c:459:18:459:18 | b | 13 |
| test.c:460:16:460:16 | b | 13 |
| test.c:461:5:461:9 | total | -2147483648 |
| test.c:461:14:461:14 | r | -2147483648 |
| test.c:464:10:464:14 | total | -2147483648 |
| test.c:461:5:461:9 | total | 0 |
| test.c:461:14:461:14 | r | 143 |
| test.c:464:10:464:14 | total | 0 |
| test.cpp:10:7:10:7 | b | -2147483648 |
| test.cpp:11:5:11:5 | x | -2147483648 |
| test.cpp:13:10:13:10 | x | -2147483648 |

24
cpp/ql/test/library-tests/rangeanalysis/SimpleRangeAnalysis/upperBound.expected
View File

@@ -447,40 +447,40 @@
| test.c:433:13:433:13 | a | 11 |
| test.c:433:15:433:15 | b | 23 |
| test.c:434:5:434:9 | total | 0 |
| test.c:434:14:434:14 | r | 2147483647 |
| test.c:434:14:434:14 | r | 253 |
| test.c:436:12:436:12 | a | 4294967295 |
| test.c:436:17:436:17 | a | 4294967295 |
| test.c:436:33:436:33 | b | 4294967295 |
| test.c:436:38:436:38 | b | 4294967295 |
| test.c:437:13:437:13 | a | 11 |
| test.c:437:15:437:15 | b | 23 |
| test.c:438:5:438:9 | total | 2147483647 |
| test.c:438:14:438:14 | r | 2147483647 |
| test.c:438:5:438:9 | total | 253 |
| test.c:438:14:438:14 | r | 253 |
| test.c:440:12:440:12 | a | 4294967295 |
| test.c:440:17:440:17 | a | 4294967295 |
| test.c:440:34:440:34 | b | 4294967295 |
| test.c:440:39:440:39 | b | 4294967295 |
| test.c:441:13:441:13 | a | 11 |
| test.c:441:15:441:15 | b | 23 |
| test.c:442:5:442:9 | total | 2147483647 |
| test.c:442:14:442:14 | r | 2147483647 |
| test.c:445:10:445:14 | total | 2147483647 |
| test.c:442:5:442:9 | total | 506 |
| test.c:442:14:442:14 | r | 253 |
| test.c:445:10:445:14 | total | 759 |
| test.c:451:12:451:12 | b | 4294967295 |
| test.c:451:17:451:17 | b | 4294967295 |
| test.c:452:16:452:16 | b | 23 |
| test.c:453:5:453:9 | total | 0 |
| test.c:453:14:453:14 | r | 2147483647 |
| test.c:453:14:453:14 | r | 253 |
| test.c:455:12:455:12 | b | 4294967295 |
| test.c:455:17:455:17 | b | 4294967295 |
| test.c:456:16:456:16 | b | 23 |
| test.c:457:5:457:9 | total | 2147483647 |
| test.c:457:14:457:14 | r | 2147483647 |
| test.c:457:5:457:9 | total | 253 |
| test.c:457:14:457:14 | r | 253 |
| test.c:459:13:459:13 | b | 4294967295 |
| test.c:459:18:459:18 | b | 4294967295 |
| test.c:460:16:460:16 | b | 23 |
| test.c:461:5:461:9 | total | 2147483647 |
| test.c:461:14:461:14 | r | 2147483647 |
| test.c:464:10:464:14 | total | 2147483647 |
| test.c:461:5:461:9 | total | 506 |
| test.c:461:14:461:14 | r | 253 |
| test.c:464:10:464:14 | total | 759 |
| test.cpp:10:7:10:7 | b | 2147483647 |
| test.cpp:11:5:11:5 | x | 2147483647 |
| test.cpp:13:10:13:10 | x | 2147483647 |

4
cpp/ql/test/query-tests/Likely Bugs/Arithmetic/PointlessComparison/PointlessComparison.c
View File

@@ -385,10 +385,10 @@ void bitwise_ands()
void unsigned_mult(unsigned int x, unsigned int y) {
if(x < 13 && y < 35) {
if(x * y > 1024) {} // always false [NOT DETECTED]
if(x * y > 1024) {} // always false
if(x * y < 204) {}
if(x >= 3 && y >= 2) {
if(x * y < 5) {} // always false [NOT DETECTED]
if(x * y < 5) {} // always false
}
}
}