2 null1.c: (in function ptrpred)
3 null1.c:7:22: Out storage x not defined before return
4 null1.c: (in function f)
5 null1.c:19:20: Implicitly temp storage x returned as only: x
6 null1.c:19:20: Possibly null storage x returned as non-null: x
7 null1.c:10:35: Storage x may become null
8 null1.c:19:22: Fresh storage y not released before return
9 null1.c:12:41: Fresh storage y created
10 null1.c:31:4: Dereference of possibly null pointer y: *y
11 null1.c:12:12: Storage y may become null
12 null1.c:34:5: Possibly null storage z passed as non-null param: g (z)
13 null1.c:25:7: Storage z may become null
14 null1.c:34:5: Passed storage z not completely defined (*z is undefined): g (z)
15 null1.c:25:3: Storage *z allocated
16 null1.c:39:14: Dereference of null pointer z: *z
17 null1.c:25:7: Storage z becomes null
18 null1.c:43:22: Dereference of possibly null pointer z4: *z4
19 null1.c:42:8: Storage z4 may become null
20 null1.c:46:25: Dereference of possibly null pointer z2: *z2
21 null1.c:26:8: Storage z2 may become null
22 null1.c:49:11: Dereference of possibly null pointer z3: *z3
23 null1.c:27:8: Storage z3 may become null
24 null1.c:55:4: Dereference of possibly null pointer z2: *z2
25 null1.c:51:8: Storage z2 may become null
26 null1.c:59:23: Dereference of possibly null pointer z5: *z5
27 null1.c:57:8: Storage z5 may become null
28 null1.c:67:10: Possibly null storage z returned as non-null: z
29 null1.c:25:7: Storage z may become null
30 null1.c:67:12: Fresh storage z3 not released before return
31 null1.c:27:3: Fresh storage z3 created
33 Finished checking --- 15 code warnings, as expected
35 null1.c: (in function f)
36 null1.c:19:20: Implicitly temp storage x returned as only: x
37 null1.c:19:22: Fresh storage y not released before return
38 null1.c:12:41: Fresh storage y created
39 null1.c:34:5: Passed storage z not completely defined (*z is undefined): g (z)
40 null1.c:25:3: Storage *z allocated
41 null1.c:67:12: Fresh storage z3 not released before return
42 null1.c:27:3: Fresh storage z3 created
44 Finished checking --- 4 code warnings, as expected
46 null2.c: (in function ptrpred)
47 null2.c:7:22: Out storage x not defined before return
48 null2.c: (in function f)
49 null2.c:15:10: Left operand of && is non-boolean (int *): x1 && (*x1 == 3)
50 null2.c:16:19: Dereference of possibly null pointer x2: *x2
51 null2.c:10:55: Storage x2 may become null
52 null2.c:17:18: Dereference of possibly null pointer x3: *x3
53 null2.c:11:21: Storage x3 may become null
54 null2.c:17:10: Left operand of || is non-boolean (int *): x3 || (*x3 == 3)
55 null2.c:20:27: Dereference of possibly null pointer x1: *x1
56 null2.c:10:35: Storage x1 may become null
57 null2.c:23:7: Left operand of && is non-boolean (int *): x4 && (*x4 == 3)
58 null2.c:30:8: Dereference of possibly null pointer x4: *x4
59 null2.c:11:41: Storage x4 may become null
60 null2.c:35:14: Implicitly temp storage x3 returned as only: (x3)
61 null2.c:35:14: Possibly null storage x3 returned as non-null: (x3)
62 null2.c:11:21: Storage x3 may become null
63 null2.c:39:10: Implicitly temp storage x1 returned as only: (x1)
65 Finished checking --- 11 code warnings, as expected
67 null3.c: (in function f3)
68 null3.c:16:4: Dereference of possibly null pointer gnip: *gnip
69 null3.c:3:25: Storage gnip may become null
70 null3.c: (in function f)
71 null3.c:27:4: Dereference of possibly null pointer arg0: *arg0
72 null3.c:37:8: Dereference of possibly null pointer z: *z
73 null3.c:25:12: Storage z may become null
74 null3.c:38:16: Only storage aip not released before return
75 null3.c:22:66: Storage aip becomes only
76 null3.c:44:4: Dereference of possibly null pointer arg2: *arg2
77 null3.c:52:4: Dereference of possibly null pointer gnip: *gnip
78 null3.c:51:10: Storage gnip may become null
79 null3.c:53:9: Variable z used after being released
80 null3.c:51:3: Storage z released
81 null3.c:53:3: Only storage gip (type int *) not released before assignment (z
82 aliases gnip): gip = z
83 null3.c:5:17: Storage gip becomes only
84 null3.c:55:3: Only storage gnip (type nip) not released before assignment:
86 null3.c:53:3: Storage gnip becomes kept
87 null3.c:60:14: Returned storage y not completely defined (*y is undefined): y
88 null3.c:24:42: Storage *y allocated
89 null3.c:60:16: Function returns with non-null global gip referencing null
91 null3.c:53:9: Storage gip may become null
92 null3.c:65:14: Possibly null storage y returned as non-null: y
93 null3.c:24:12: Storage y may become null
94 null3.c:65:14: Returned storage y not completely defined (*y is undefined): y
95 null3.c:24:42: Storage *y allocated
96 null3.c:65:16: Function returns with non-null global gip referencing null
98 null3.c:53:9: Storage gip may become null
99 null3.c: (in function f2)
100 null3.c:73:4: Dereference of possibly null pointer gnip: *gnip
101 null3.c:55:10: Storage gnip may become null
103 Finished checking --- 15 code warnings, as expected
105 null3.c: (in function f3)
106 null3.c:16:4: Dereference of possibly null pointer gnip: *gnip
107 null3.c:3:25: Storage gnip may become null
108 null3.c: (in function f)
109 null3.c:27:4: Dereference of possibly null pointer arg0: *arg0
110 null3.c:35:13: Possibly null storage y passed as non-null param: free (y)
111 null3.c:24:12: Storage y may become null
112 null3.c:37:8: Dereference of possibly null pointer z: *z
113 null3.c:25:12: Storage z may become null
114 null3.c:38:16: Only storage aip not released before return
115 null3.c:22:66: Storage aip becomes only
116 null3.c:44:4: Dereference of possibly null pointer arg2: *arg2
117 null3.c:52:4: Dereference of possibly null pointer gnip: *gnip
118 null3.c:51:10: Storage gnip may become null
119 null3.c:53:9: Variable z used after being released
120 null3.c:51:3: Storage z released
121 null3.c:53:3: Only storage gip (type int *) not released before assignment (z
122 aliases gnip): gip = z
123 null3.c:5:17: Storage gip becomes only
124 null3.c:55:3: Only storage gnip (type nip) not released before assignment:
126 null3.c:53:3: Storage gnip becomes kept
127 null3.c:60:14: Returned storage y not completely defined (*y is undefined): y
128 null3.c:24:42: Storage *y allocated
129 null3.c:60:16: Function returns with non-null global gip referencing null
131 null3.c:53:9: Storage gip may become null
132 null3.c:65:14: Possibly null storage y returned as non-null: y
133 null3.c:24:12: Storage y may become null
134 null3.c:65:14: Returned storage y not completely defined (*y is undefined): y
135 null3.c:24:42: Storage *y allocated
136 null3.c:65:16: Function returns with non-null global gip referencing null
138 null3.c:53:9: Storage gip may become null
139 null3.c: (in function f2)
140 null3.c:73:4: Dereference of possibly null pointer gnip: *gnip
141 null3.c:55:10: Storage gnip may become null
143 Finished checking --- 16 code warnings, as expected
145 null4.c: (in function g)
146 null4.c:43:3: Only storage p (type int *) not released before assignment:
148 null4.c:3:28: Storage p becomes only
150 Finished checking --- 1 code warning, as expected
152 null5.c:5:29: Qualifier falsenull used with function returning char (should
154 null5.c:6:29: Qualifier falsenull used with function having 2 arguments (should
156 null5.c: (in function g2)
157 null5.c:26:15: Dereference of possibly null pointer y: *y
158 null5.c:18:25: Storage y may become null
159 null5.c: (in function g3)
160 null5.c:37:11: Dereference of null pointer y: *y
161 null5.c:30:25: Storage y becomes null
163 Finished checking --- 4 code warnings, as expected
165 null6.c:7:36: Function f1 declared with notnull parameter x of abstract type
167 null6.c: (in function f)
168 null6.c:11:11: Dereference of possibly null pointer x: *x
169 null6.c: (in function f6)
170 null6.c:68:10: Possibly null storage x returned as non-null: x
171 null6.c:61:31: Storage x may become null
172 null6.c: (in function f7)
173 null6.c:84:10: Possibly null storage x returned as non-null: x
174 null6.c:81:11: Storage x may become null
176 Finished checking --- 4 code warnings, as expected
178 null6.c:7:36: Function f1 declared with notnull parameter x of abstract type
180 null6.c: (in function f)
181 null6.c:11:11: Dereference of possibly null pointer x: *x
182 null6.c: (in function f6)
183 null6.c:68:10: Possibly null storage x returned as non-null: x
184 null6.c:61:31: Storage x may become null
185 null6.c: (in function f7)
186 null6.c:84:10: Possibly null storage x returned as non-null: x
187 null6.c:81:11: Storage x may become null
189 Finished checking --- 4 code warnings, as expected