Commit | Line | Data |
---|---|---|
8baf2c95 MD |
1 | make[1]: Entering directory `/home/compudj/doc/userspace-rcu/formal-model/urcu' |
2 | rm -f pan* trail.out .input.spin* *.spin.trail .input.define | |
3 | touch .input.define | |
4 | cat .input.define >> pan.ltl | |
5 | cat DEFINES >> pan.ltl | |
6 | spin -f "!(`cat urcu_free.ltl | grep -v ^//`)" >> pan.ltl | |
7 | cp urcu_free_single_flip.define .input.define | |
8 | cat .input.define > .input.spin | |
9 | cat DEFINES >> .input.spin | |
10 | cat urcu.spin >> .input.spin | |
11 | rm -f .input.spin.trail | |
12 | spin -a -X -N pan.ltl .input.spin | |
13 | Exit-Status 0 | |
14 | gcc -O2 -w -DHASH64 -o pan pan.c | |
15 | ./pan -a -v -c1 -X -m10000000 -w20 | |
16 | warning: for p.o. reduction to be valid the never claim must be stutter-invariant | |
17 | (never claims generated from LTL formulae are stutter-invariant) | |
18 | depth 0: Claim reached state 5 (line 744) | |
19 | Depth= 8352 States= 1e+06 Transitions= 1.05e+07 Memory= 534.807 t= 8.93 R= 1e+05 | |
20 | pan: claim violated! (at depth 1352) | |
21 | pan: wrote .input.spin.trail | |
22 | ||
23 | (Spin Version 5.1.7 -- 23 December 2008) | |
24 | Warning: Search not completed | |
25 | + Partial Order Reduction | |
26 | ||
27 | Full statespace search for: | |
28 | never claim + | |
29 | assertion violations + (if within scope of claim) | |
30 | acceptance cycles + (fairness disabled) | |
31 | invalid end states - (disabled by never claim) | |
32 | ||
33 | State-vector 64 byte, depth reached 8352, errors: 1 | |
34 | 1456373 states, stored | |
35 | 13442538 states, matched | |
36 | 14898911 transitions (= stored+matched) | |
37 | 50580660 atomic steps | |
38 | hash conflicts: 5166006 (resolved) | |
39 | ||
40 | Stats on memory usage (in Megabytes): | |
41 | 127.779 equivalent memory usage for states (stored*(State-vector + overhead)) | |
42 | 100.443 actual memory usage for states (compression: 78.61%) | |
43 | state-vector as stored = 44 byte + 28 byte overhead | |
44 | 8.000 memory used for hash table (-w20) | |
45 | 457.764 memory used for DFS stack (-m10000000) | |
46 | 566.154 total actual memory usage | |
47 | ||
48 | unreached in proctype urcu_reader | |
49 | line 399, "pan.___", state 16, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" | |
50 | line 408, "pan.___", state 48, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" | |
51 | line 409, "pan.___", state 61, "(1)" | |
52 | line 418, "pan.___", state 91, "(1)" | |
53 | line 399, "pan.___", state 113, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" | |
54 | line 408, "pan.___", state 145, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" | |
55 | line 409, "pan.___", state 158, "(1)" | |
56 | line 418, "pan.___", state 188, "(1)" | |
57 | line 399, "pan.___", state 211, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" | |
58 | line 408, "pan.___", state 243, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" | |
59 | line 409, "pan.___", state 256, "(1)" | |
60 | line 418, "pan.___", state 286, "(1)" | |
61 | line 399, "pan.___", state 350, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" | |
62 | line 408, "pan.___", state 382, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" | |
63 | line 409, "pan.___", state 395, "(1)" | |
64 | line 418, "pan.___", state 425, "(1)" | |
65 | line 540, "pan.___", state 456, "-end-" | |
66 | (17 of 456 states) | |
67 | unreached in proctype urcu_reader_sig | |
68 | line 399, "pan.___", state 25, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" | |
69 | line 408, "pan.___", state 57, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" | |
70 | line 409, "pan.___", state 70, "(1)" | |
71 | line 418, "pan.___", state 100, "(1)" | |
72 | line 399, "pan.___", state 113, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" | |
73 | line 408, "pan.___", state 145, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" | |
74 | line 409, "pan.___", state 158, "(1)" | |
75 | line 418, "pan.___", state 188, "(1)" | |
76 | line 399, "pan.___", state 202, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" | |
77 | line 408, "pan.___", state 234, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" | |
78 | line 409, "pan.___", state 247, "(1)" | |
79 | line 418, "pan.___", state 277, "(1)" | |
80 | line 399, "pan.___", state 314, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" | |
81 | line 408, "pan.___", state 346, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" | |
82 | line 409, "pan.___", state 359, "(1)" | |
83 | line 418, "pan.___", state 389, "(1)" | |
84 | line 614, "pan.___", state 411, "-end-" | |
85 | (17 of 411 states) | |
86 | unreached in proctype urcu_writer | |
87 | line 399, "pan.___", state 14, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" | |
88 | line 403, "pan.___", state 28, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" | |
89 | line 408, "pan.___", state 46, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" | |
90 | line 409, "pan.___", state 59, "(1)" | |
91 | line 413, "pan.___", state 72, "(1)" | |
92 | line 418, "pan.___", state 89, "(1)" | |
93 | line 399, "pan.___", state 108, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" | |
94 | line 403, "pan.___", state 122, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" | |
95 | line 409, "pan.___", state 153, "(1)" | |
96 | line 413, "pan.___", state 166, "(1)" | |
97 | line 652, "pan.___", state 199, "(1)" | |
98 | line 175, "pan.___", state 208, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" | |
99 | line 179, "pan.___", state 217, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" | |
100 | line 160, "pan.___", state 240, "(1)" | |
101 | line 164, "pan.___", state 248, "(1)" | |
102 | line 168, "pan.___", state 260, "(1)" | |
103 | line 175, "pan.___", state 271, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<i)))" | |
104 | line 183, "pan.___", state 293, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<i)))" | |
105 | line 160, "pan.___", state 303, "(1)" | |
106 | line 164, "pan.___", state 311, "(1)" | |
107 | line 168, "pan.___", state 323, "(1)" | |
108 | line 175, "pan.___", state 338, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" | |
109 | line 179, "pan.___", state 347, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" | |
110 | line 183, "pan.___", state 360, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" | |
111 | line 160, "pan.___", state 370, "(1)" | |
112 | line 164, "pan.___", state 378, "(1)" | |
113 | line 168, "pan.___", state 390, "(1)" | |
114 | line 399, "pan.___", state 404, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" | |
115 | line 403, "pan.___", state 418, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" | |
116 | line 408, "pan.___", state 436, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" | |
117 | line 409, "pan.___", state 449, "(1)" | |
118 | line 413, "pan.___", state 462, "(1)" | |
119 | line 418, "pan.___", state 479, "(1)" | |
120 | line 399, "pan.___", state 498, "(1)" | |
121 | line 403, "pan.___", state 510, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" | |
122 | line 408, "pan.___", state 528, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" | |
123 | line 413, "pan.___", state 554, "(1)" | |
124 | line 418, "pan.___", state 571, "(1)" | |
125 | line 403, "pan.___", state 603, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" | |
126 | line 408, "pan.___", state 621, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" | |
127 | line 413, "pan.___", state 647, "(1)" | |
128 | line 418, "pan.___", state 664, "(1)" | |
129 | line 179, "pan.___", state 687, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" | |
130 | line 183, "pan.___", state 700, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" | |
131 | line 160, "pan.___", state 710, "(1)" | |
132 | line 164, "pan.___", state 718, "(1)" | |
133 | line 168, "pan.___", state 730, "(1)" | |
134 | line 175, "pan.___", state 741, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<i)))" | |
135 | line 183, "pan.___", state 763, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<i)))" | |
136 | line 160, "pan.___", state 773, "(1)" | |
137 | line 164, "pan.___", state 781, "(1)" | |
138 | line 168, "pan.___", state 793, "(1)" | |
139 | line 175, "pan.___", state 808, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" | |
140 | line 179, "pan.___", state 817, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" | |
141 | line 183, "pan.___", state 830, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" | |
142 | line 160, "pan.___", state 840, "(1)" | |
143 | line 164, "pan.___", state 848, "(1)" | |
144 | line 168, "pan.___", state 860, "(1)" | |
145 | line 399, "pan.___", state 882, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" | |
146 | line 399, "pan.___", state 884, "(1)" | |
147 | line 399, "pan.___", state 885, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<( ((_pid<2)) -> (0) : (1) ))))" | |
148 | line 399, "pan.___", state 885, "else" | |
149 | line 399, "pan.___", state 888, "(1)" | |
150 | line 403, "pan.___", state 896, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" | |
151 | line 403, "pan.___", state 898, "(1)" | |
152 | line 403, "pan.___", state 899, "((cache_dirty_urcu_active_readers.bitfield&(1<<( ((_pid<2)) -> (0) : (1) ))))" | |
153 | line 403, "pan.___", state 899, "else" | |
154 | line 403, "pan.___", state 902, "(1)" | |
155 | line 403, "pan.___", state 903, "(1)" | |
156 | line 403, "pan.___", state 903, "(1)" | |
157 | line 401, "pan.___", state 908, "((i<1))" | |
158 | line 401, "pan.___", state 908, "((i>=1))" | |
159 | line 408, "pan.___", state 914, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" | |
160 | line 409, "pan.___", state 927, "(1)" | |
161 | line 409, "pan.___", state 928, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<( ((_pid<2)) -> (0) : (1) )))))" | |
162 | line 409, "pan.___", state 928, "else" | |
163 | line 409, "pan.___", state 931, "(1)" | |
164 | line 409, "pan.___", state 932, "(1)" | |
165 | line 409, "pan.___", state 932, "(1)" | |
166 | line 413, "pan.___", state 940, "(1)" | |
167 | line 413, "pan.___", state 941, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<( ((_pid<2)) -> (0) : (1) )))))" | |
168 | line 413, "pan.___", state 941, "else" | |
169 | line 413, "pan.___", state 944, "(1)" | |
170 | line 413, "pan.___", state 945, "(1)" | |
171 | line 413, "pan.___", state 945, "(1)" | |
172 | line 411, "pan.___", state 950, "((i<1))" | |
173 | line 411, "pan.___", state 950, "((i>=1))" | |
174 | line 418, "pan.___", state 957, "(1)" | |
175 | line 418, "pan.___", state 958, "(!((cache_dirty_generation_ptr.bitfield&(1<<( ((_pid<2)) -> (0) : (1) )))))" | |
176 | line 418, "pan.___", state 958, "else" | |
177 | line 418, "pan.___", state 961, "(1)" | |
178 | line 418, "pan.___", state 962, "(1)" | |
179 | line 418, "pan.___", state 962, "(1)" | |
180 | line 420, "pan.___", state 965, "(1)" | |
181 | line 420, "pan.___", state 965, "(1)" | |
182 | line 179, "pan.___", state 990, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" | |
183 | line 183, "pan.___", state 1003, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" | |
184 | line 160, "pan.___", state 1013, "(1)" | |
185 | line 164, "pan.___", state 1021, "(1)" | |
186 | line 168, "pan.___", state 1033, "(1)" | |
187 | line 175, "pan.___", state 1044, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<i)))" | |
188 | line 183, "pan.___", state 1066, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<i)))" | |
189 | line 160, "pan.___", state 1076, "(1)" | |
190 | line 164, "pan.___", state 1084, "(1)" | |
191 | line 168, "pan.___", state 1096, "(1)" | |
192 | line 175, "pan.___", state 1111, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" | |
193 | line 179, "pan.___", state 1120, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" | |
194 | line 183, "pan.___", state 1133, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" | |
195 | line 160, "pan.___", state 1143, "(1)" | |
196 | line 164, "pan.___", state 1151, "(1)" | |
197 | line 168, "pan.___", state 1163, "(1)" | |
198 | line 702, "pan.___", state 1188, "-end-" | |
199 | (100 of 1188 states) | |
200 | unreached in proctype :init: | |
201 | line 709, "pan.___", state 9, "((j<2))" | |
202 | line 709, "pan.___", state 9, "((j>=2))" | |
203 | line 710, "pan.___", state 20, "((j<2))" | |
204 | line 710, "pan.___", state 20, "((j>=2))" | |
205 | line 715, "pan.___", state 33, "((j<2))" | |
206 | line 715, "pan.___", state 33, "((j>=2))" | |
207 | (3 of 46 states) | |
208 | unreached in proctype :never: | |
209 | line 749, "pan.___", state 8, "-end-" | |
210 | (1 of 8 states) | |
211 | ||
212 | pan: elapsed time 12.8 seconds | |
213 | pan: rate 113424.69 states/second | |
214 | pan: avg transition delay 8.6181e-07 usec | |
215 | cp .input.spin urcu_free_single_flip.spin.input | |
216 | cp .input.spin.trail urcu_free_single_flip.spin.input.trail | |
217 | make[1]: Leaving directory `/home/compudj/doc/userspace-rcu/formal-model/urcu' |