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
4 cat .input.define >> pan.ltl
6 spin -f "!(`cat urcu_free.ltl | grep -v ^//`)" >> pan.ltl
7 cat .input.define > .input.spin
8 cat DEFINES >> .input.spin
9 cat urcu.spin >> .input.spin
10 rm -f .input.spin.trail
11 spin -a -X -N pan.ltl .input.spin
13 gcc -O2 -w -DHASH64 -o pan pan.c
14 ./pan -a -v -c1 -X -m10000000 -w20
15 warning: for p.o. reduction to be valid the never claim must be stutter-invariant
16 (never claims generated from LTL formulae are stutter-invariant)
17 depth 0: Claim reached state 5 (line 743)
18 Depth= 3880 States= 1e+06 Transitions= 1.18e+07 Memory= 527.190 t= 9.53 R= 1e+05
19 Depth= 3880 States= 2e+06 Transitions= 2.39e+07 Memory= 588.225 t= 19.8 R= 1e+05
20 Depth= 3880 States= 3e+06 Transitions= 3.61e+07 Memory= 649.260 t= 30.5 R= 1e+05
21 pan: resizing hashtable to -w22.. done
22 Depth= 3880 States= 4e+06 Transitions= 4.84e+07 Memory= 741.318 t= 41.1 R= 1e+05
24 (Spin Version 5.1.7 -- 23 December 2008)
25 + Partial Order Reduction
27 Full statespace search for:
29 assertion violations + (if within scope of claim)
30 acceptance cycles + (fairness disabled)
31 invalid end states - (disabled by never claim)
33 State-vector 56 byte, depth reached 3880, errors: 0
34 4015564 states, stored
35 44539121 states, matched
36 48554685 transitions (= stored+matched)
37 1.7777933e+08 atomic steps
38 hash conflicts: 33629695 (resolved)
40 Stats on memory usage (in Megabytes):
41 321.681 equivalent memory usage for states (stored*(State-vector + overhead))
42 252.629 actual memory usage for states (compression: 78.53%)
43 state-vector as stored = 38 byte + 28 byte overhead
44 32.000 memory used for hash table (-w22)
45 457.764 memory used for DFS stack (-m10000000)
46 742.295 total actual memory usage
48 unreached in proctype urcu_reader
49 line 398, "pan.___", state 16, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
50 line 407, "pan.___", state 48, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
51 line 408, "pan.___", state 61, "(1)"
52 line 417, "pan.___", state 91, "(1)"
53 line 398, "pan.___", state 106, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
54 line 407, "pan.___", state 138, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
55 line 408, "pan.___", state 151, "(1)"
56 line 417, "pan.___", state 181, "(1)"
57 line 398, "pan.___", state 197, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
58 line 407, "pan.___", state 229, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
59 line 408, "pan.___", state 242, "(1)"
60 line 417, "pan.___", state 272, "(1)"
61 line 398, "pan.___", state 315, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
62 line 407, "pan.___", state 347, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
63 line 408, "pan.___", state 360, "(1)"
64 line 417, "pan.___", state 390, "(1)"
65 line 539, "pan.___", state 414, "-end-"
67 unreached in proctype urcu_writer
68 line 398, "pan.___", state 14, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
69 line 402, "pan.___", state 28, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
70 line 407, "pan.___", state 46, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
71 line 408, "pan.___", state 59, "(1)"
72 line 412, "pan.___", state 72, "(1)"
73 line 417, "pan.___", state 89, "(1)"
74 line 398, "pan.___", state 108, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
75 line 402, "pan.___", state 122, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
76 line 408, "pan.___", state 153, "(1)"
77 line 412, "pan.___", state 166, "(1)"
78 line 651, "pan.___", state 199, "(1)"
79 line 174, "pan.___", state 208, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
80 line 178, "pan.___", state 217, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
81 line 159, "pan.___", state 240, "(1)"
82 line 163, "pan.___", state 248, "(1)"
83 line 167, "pan.___", state 260, "(1)"
84 line 174, "pan.___", state 271, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<i)))"
85 line 182, "pan.___", state 293, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<i)))"
86 line 159, "pan.___", state 303, "(1)"
87 line 163, "pan.___", state 311, "(1)"
88 line 167, "pan.___", state 323, "(1)"
89 line 174, "pan.___", state 338, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
90 line 178, "pan.___", state 347, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
91 line 182, "pan.___", state 360, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
92 line 159, "pan.___", state 370, "(1)"
93 line 163, "pan.___", state 378, "(1)"
94 line 167, "pan.___", state 390, "(1)"
95 line 398, "pan.___", state 404, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
96 line 402, "pan.___", state 418, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
97 line 407, "pan.___", state 436, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
98 line 408, "pan.___", state 449, "(1)"
99 line 412, "pan.___", state 462, "(1)"
100 line 417, "pan.___", state 479, "(1)"
101 line 398, "pan.___", state 498, "(1)"
102 line 402, "pan.___", state 510, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
103 line 407, "pan.___", state 528, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
104 line 412, "pan.___", state 554, "(1)"
105 line 417, "pan.___", state 571, "(1)"
106 line 402, "pan.___", state 603, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
107 line 407, "pan.___", state 621, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
108 line 412, "pan.___", state 647, "(1)"
109 line 417, "pan.___", state 664, "(1)"
110 line 178, "pan.___", state 687, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
111 line 182, "pan.___", state 700, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
112 line 159, "pan.___", state 710, "(1)"
113 line 163, "pan.___", state 718, "(1)"
114 line 167, "pan.___", state 730, "(1)"
115 line 174, "pan.___", state 741, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<i)))"
116 line 182, "pan.___", state 763, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<i)))"
117 line 159, "pan.___", state 773, "(1)"
118 line 163, "pan.___", state 781, "(1)"
119 line 167, "pan.___", state 793, "(1)"
120 line 174, "pan.___", state 808, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
121 line 178, "pan.___", state 817, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
122 line 182, "pan.___", state 830, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
123 line 159, "pan.___", state 840, "(1)"
124 line 163, "pan.___", state 848, "(1)"
125 line 167, "pan.___", state 860, "(1)"
126 line 398, "pan.___", state 882, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
127 line 398, "pan.___", state 884, "(1)"
128 line 398, "pan.___", state 885, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
129 line 398, "pan.___", state 885, "else"
130 line 398, "pan.___", state 888, "(1)"
131 line 402, "pan.___", state 896, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
132 line 402, "pan.___", state 898, "(1)"
133 line 402, "pan.___", state 899, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
134 line 402, "pan.___", state 899, "else"
135 line 402, "pan.___", state 902, "(1)"
136 line 402, "pan.___", state 903, "(1)"
137 line 402, "pan.___", state 903, "(1)"
138 line 400, "pan.___", state 908, "((i<1))"
139 line 400, "pan.___", state 908, "((i>=1))"
140 line 407, "pan.___", state 914, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
141 line 408, "pan.___", state 927, "(1)"
142 line 408, "pan.___", state 928, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
143 line 408, "pan.___", state 928, "else"
144 line 408, "pan.___", state 931, "(1)"
145 line 408, "pan.___", state 932, "(1)"
146 line 408, "pan.___", state 932, "(1)"
147 line 412, "pan.___", state 940, "(1)"
148 line 412, "pan.___", state 941, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
149 line 412, "pan.___", state 941, "else"
150 line 412, "pan.___", state 944, "(1)"
151 line 412, "pan.___", state 945, "(1)"
152 line 412, "pan.___", state 945, "(1)"
153 line 410, "pan.___", state 950, "((i<1))"
154 line 410, "pan.___", state 950, "((i>=1))"
155 line 417, "pan.___", state 957, "(1)"
156 line 417, "pan.___", state 958, "(!((cache_dirty_generation_ptr.bitfield&(1<<_pid))))"
157 line 417, "pan.___", state 958, "else"
158 line 417, "pan.___", state 961, "(1)"
159 line 417, "pan.___", state 962, "(1)"
160 line 417, "pan.___", state 962, "(1)"
161 line 419, "pan.___", state 965, "(1)"
162 line 419, "pan.___", state 965, "(1)"
163 line 402, "pan.___", state 996, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
164 line 407, "pan.___", state 1014, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
165 line 412, "pan.___", state 1040, "(1)"
166 line 417, "pan.___", state 1057, "(1)"
167 line 402, "pan.___", state 1086, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
168 line 407, "pan.___", state 1104, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
169 line 412, "pan.___", state 1130, "(1)"
170 line 417, "pan.___", state 1147, "(1)"
171 line 398, "pan.___", state 1166, "(1)"
172 line 402, "pan.___", state 1178, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
173 line 407, "pan.___", state 1196, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
174 line 412, "pan.___", state 1222, "(1)"
175 line 417, "pan.___", state 1239, "(1)"
176 line 402, "pan.___", state 1271, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
177 line 407, "pan.___", state 1289, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
178 line 412, "pan.___", state 1315, "(1)"
179 line 417, "pan.___", state 1332, "(1)"
180 line 178, "pan.___", state 1355, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
181 line 182, "pan.___", state 1368, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
182 line 159, "pan.___", state 1378, "(1)"
183 line 163, "pan.___", state 1386, "(1)"
184 line 167, "pan.___", state 1398, "(1)"
185 line 174, "pan.___", state 1409, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<i)))"
186 line 182, "pan.___", state 1431, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<i)))"
187 line 159, "pan.___", state 1441, "(1)"
188 line 163, "pan.___", state 1449, "(1)"
189 line 167, "pan.___", state 1461, "(1)"
190 line 174, "pan.___", state 1476, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
191 line 178, "pan.___", state 1485, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
192 line 182, "pan.___", state 1498, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
193 line 159, "pan.___", state 1508, "(1)"
194 line 163, "pan.___", state 1516, "(1)"
195 line 167, "pan.___", state 1528, "(1)"
196 line 398, "pan.___", state 1550, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
197 line 398, "pan.___", state 1552, "(1)"
198 line 398, "pan.___", state 1553, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
199 line 398, "pan.___", state 1553, "else"
200 line 398, "pan.___", state 1556, "(1)"
201 line 402, "pan.___", state 1564, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
202 line 402, "pan.___", state 1566, "(1)"
203 line 402, "pan.___", state 1567, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
204 line 402, "pan.___", state 1567, "else"
205 line 402, "pan.___", state 1570, "(1)"
206 line 402, "pan.___", state 1571, "(1)"
207 line 402, "pan.___", state 1571, "(1)"
208 line 400, "pan.___", state 1576, "((i<1))"
209 line 400, "pan.___", state 1576, "((i>=1))"
210 line 407, "pan.___", state 1582, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
211 line 408, "pan.___", state 1595, "(1)"
212 line 408, "pan.___", state 1596, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
213 line 408, "pan.___", state 1596, "else"
214 line 408, "pan.___", state 1599, "(1)"
215 line 408, "pan.___", state 1600, "(1)"
216 line 408, "pan.___", state 1600, "(1)"
217 line 412, "pan.___", state 1608, "(1)"
218 line 412, "pan.___", state 1609, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
219 line 412, "pan.___", state 1609, "else"
220 line 412, "pan.___", state 1612, "(1)"
221 line 412, "pan.___", state 1613, "(1)"
222 line 412, "pan.___", state 1613, "(1)"
223 line 410, "pan.___", state 1618, "((i<1))"
224 line 410, "pan.___", state 1618, "((i>=1))"
225 line 417, "pan.___", state 1625, "(1)"
226 line 417, "pan.___", state 1626, "(!((cache_dirty_generation_ptr.bitfield&(1<<_pid))))"
227 line 417, "pan.___", state 1626, "else"
228 line 417, "pan.___", state 1629, "(1)"
229 line 417, "pan.___", state 1630, "(1)"
230 line 417, "pan.___", state 1630, "(1)"
231 line 419, "pan.___", state 1633, "(1)"
232 line 419, "pan.___", state 1633, "(1)"
233 line 178, "pan.___", state 1658, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
234 line 182, "pan.___", state 1671, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
235 line 159, "pan.___", state 1681, "(1)"
236 line 163, "pan.___", state 1689, "(1)"
237 line 167, "pan.___", state 1701, "(1)"
238 line 174, "pan.___", state 1712, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<i)))"
239 line 182, "pan.___", state 1734, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<i)))"
240 line 159, "pan.___", state 1744, "(1)"
241 line 163, "pan.___", state 1752, "(1)"
242 line 167, "pan.___", state 1764, "(1)"
243 line 174, "pan.___", state 1779, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
244 line 178, "pan.___", state 1788, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
245 line 182, "pan.___", state 1801, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
246 line 159, "pan.___", state 1811, "(1)"
247 line 163, "pan.___", state 1819, "(1)"
248 line 167, "pan.___", state 1831, "(1)"
249 line 701, "pan.___", state 1856, "-end-"
251 unreached in proctype :init:
253 unreached in proctype :never:
254 line 748, "pan.___", state 8, "-end-"
257 pan: elapsed time 41.3 seconds
258 pan: rate 97205.616 states/second
259 pan: avg transition delay 8.5079e-07 usec
260 cp .input.spin urcu_free.spin.input
261 cp .input.spin.trail urcu_free.spin.input.trail
262 make[1]: Leaving directory `/home/compudj/doc/userspace-rcu/formal-model/urcu'
projects / urcu.git / blob