| 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_no_wmb.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 | pan: claim violated! (at depth 1882) |
| 20 | pan: wrote .input.spin.trail |
| 21 | |
| 22 | (Spin Version 5.1.7 -- 23 December 2008) |
| 23 | Warning: Search not completed |
| 24 | + Partial Order Reduction |
| 25 | |
| 26 | Full statespace search for: |
| 27 | never claim + |
| 28 | assertion violations + (if within scope of claim) |
| 29 | acceptance cycles + (fairness disabled) |
| 30 | invalid end states - (disabled by never claim) |
| 31 | |
| 32 | State-vector 56 byte, depth reached 4174, errors: 1 |
| 33 | 367189 states, stored |
| 34 | 3431533 states, matched |
| 35 | 3798722 transitions (= stored+matched) |
| 36 | 13407384 atomic steps |
| 37 | hash conflicts: 253700 (resolved) |
| 38 | |
| 39 | Stats on memory usage (in Megabytes): |
| 40 | 29.415 equivalent memory usage for states (stored*(State-vector + overhead)) |
| 41 | 22.811 actual memory usage for states (compression: 77.55%) |
| 42 | state-vector as stored = 37 byte + 28 byte overhead |
| 43 | 8.000 memory used for hash table (-w20) |
| 44 | 457.764 memory used for DFS stack (-m10000000) |
| 45 | 488.518 total actual memory usage |
| 46 | |
| 47 | unreached in proctype urcu_reader |
| 48 | line 399, "pan.___", state 16, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))" |
| 49 | line 408, "pan.___", state 48, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))" |
| 50 | line 409, "pan.___", state 61, "(1)" |
| 51 | line 418, "pan.___", state 91, "(1)" |
| 52 | line 399, "pan.___", state 106, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))" |
| 53 | line 408, "pan.___", state 138, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))" |
| 54 | line 409, "pan.___", state 151, "(1)" |
| 55 | line 418, "pan.___", state 181, "(1)" |
| 56 | line 399, "pan.___", state 197, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))" |
| 57 | line 408, "pan.___", state 229, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))" |
| 58 | line 409, "pan.___", state 242, "(1)" |
| 59 | line 418, "pan.___", state 272, "(1)" |
| 60 | line 399, "pan.___", state 315, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))" |
| 61 | line 403, "pan.___", state 331, "(1)" |
| 62 | line 408, "pan.___", state 347, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))" |
| 63 | line 409, "pan.___", state 360, "(1)" |
| 64 | line 418, "pan.___", state 390, "(1)" |
| 65 | line 540, "pan.___", state 414, "-end-" |
| 66 | (18 of 414 states) |
| 67 | unreached in proctype urcu_writer |
| 68 | line 399, "pan.___", state 14, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))" |
| 69 | line 399, "pan.___", state 20, "(1)" |
| 70 | line 403, "pan.___", state 28, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))" |
| 71 | line 403, "pan.___", state 34, "(1)" |
| 72 | line 403, "pan.___", state 35, "(1)" |
| 73 | line 403, "pan.___", state 35, "(1)" |
| 74 | line 401, "pan.___", state 40, "((i<1))" |
| 75 | line 401, "pan.___", state 40, "((i>=1))" |
| 76 | line 408, "pan.___", state 46, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))" |
| 77 | line 409, "pan.___", state 59, "(1)" |
| 78 | line 409, "pan.___", state 60, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))" |
| 79 | line 409, "pan.___", state 60, "else" |
| 80 | line 409, "pan.___", state 63, "(1)" |
| 81 | line 409, "pan.___", state 64, "(1)" |
| 82 | line 409, "pan.___", state 64, "(1)" |
| 83 | line 413, "pan.___", state 72, "(1)" |
| 84 | line 413, "pan.___", state 73, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))" |
| 85 | line 413, "pan.___", state 73, "else" |
| 86 | line 413, "pan.___", state 76, "(1)" |
| 87 | line 413, "pan.___", state 77, "(1)" |
| 88 | line 413, "pan.___", state 77, "(1)" |
| 89 | line 411, "pan.___", state 82, "((i<1))" |
| 90 | line 411, "pan.___", state 82, "((i>=1))" |
| 91 | line 418, "pan.___", state 89, "(1)" |
| 92 | line 418, "pan.___", state 90, "(!((cache_dirty_generation_ptr.bitfield&(1<<_pid))))" |
| 93 | line 418, "pan.___", state 90, "else" |
| 94 | line 418, "pan.___", state 93, "(1)" |
| 95 | line 418, "pan.___", state 94, "(1)" |
| 96 | line 418, "pan.___", state 94, "(1)" |
| 97 | line 420, "pan.___", state 97, "(1)" |
| 98 | line 420, "pan.___", state 97, "(1)" |
| 99 | line 369, "pan.___", state 99, "(1)" |
| 100 | line 639, "pan.___", state 103, "cached_generation_ptr.val[_pid] = (old_gen+1)" |
| 101 | line 637, "pan.___", state 104, "old_gen = cached_generation_ptr.val[_pid]" |
| 102 | line 399, "pan.___", state 108, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))" |
| 103 | line 399, "pan.___", state 114, "(1)" |
| 104 | line 403, "pan.___", state 122, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))" |
| 105 | line 403, "pan.___", state 128, "(1)" |
| 106 | line 403, "pan.___", state 129, "(1)" |
| 107 | line 403, "pan.___", state 129, "(1)" |
| 108 | line 401, "pan.___", state 134, "((i<1))" |
| 109 | line 401, "pan.___", state 134, "((i>=1))" |
| 110 | line 409, "pan.___", state 153, "(1)" |
| 111 | line 409, "pan.___", state 154, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))" |
| 112 | line 409, "pan.___", state 154, "else" |
| 113 | line 409, "pan.___", state 157, "(1)" |
| 114 | line 409, "pan.___", state 158, "(1)" |
| 115 | line 409, "pan.___", state 158, "(1)" |
| 116 | line 413, "pan.___", state 166, "(1)" |
| 117 | line 413, "pan.___", state 167, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))" |
| 118 | line 413, "pan.___", state 167, "else" |
| 119 | line 413, "pan.___", state 170, "(1)" |
| 120 | line 413, "pan.___", state 171, "(1)" |
| 121 | line 413, "pan.___", state 171, "(1)" |
| 122 | line 411, "pan.___", state 176, "((i<1))" |
| 123 | line 411, "pan.___", state 176, "((i>=1))" |
| 124 | line 418, "pan.___", state 183, "(1)" |
| 125 | line 418, "pan.___", state 184, "(!((cache_dirty_generation_ptr.bitfield&(1<<_pid))))" |
| 126 | line 418, "pan.___", state 184, "else" |
| 127 | line 418, "pan.___", state 187, "(1)" |
| 128 | line 418, "pan.___", state 188, "(1)" |
| 129 | line 418, "pan.___", state 188, "(1)" |
| 130 | line 420, "pan.___", state 191, "(1)" |
| 131 | line 420, "pan.___", state 191, "(1)" |
| 132 | line 369, "pan.___", state 193, "(1)" |
| 133 | line 652, "pan.___", state 199, "(1)" |
| 134 | line 646, "pan.___", state 202, "((write_lock==0))" |
| 135 | line 646, "pan.___", state 202, "else" |
| 136 | line 644, "pan.___", state 203, "(1)" |
| 137 | line 160, "pan.___", state 209, "(1)" |
| 138 | line 164, "pan.___", state 217, "(1)" |
| 139 | line 164, "pan.___", state 218, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))" |
| 140 | line 164, "pan.___", state 218, "else" |
| 141 | line 162, "pan.___", state 223, "((j<1))" |
| 142 | line 162, "pan.___", state 223, "((j>=1))" |
| 143 | line 168, "pan.___", state 229, "(1)" |
| 144 | line 168, "pan.___", state 230, "(!((cache_dirty_generation_ptr.bitfield&(1<<_pid))))" |
| 145 | line 168, "pan.___", state 230, "else" |
| 146 | line 160, "pan.___", state 241, "(1)" |
| 147 | line 168, "pan.___", state 261, "(1)" |
| 148 | line 160, "pan.___", state 277, "(1)" |
| 149 | line 164, "pan.___", state 285, "(1)" |
| 150 | line 168, "pan.___", state 297, "(1)" |
| 151 | line 399, "pan.___", state 311, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))" |
| 152 | line 403, "pan.___", state 325, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))" |
| 153 | line 408, "pan.___", state 343, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))" |
| 154 | line 409, "pan.___", state 356, "(1)" |
| 155 | line 413, "pan.___", state 369, "(1)" |
| 156 | line 418, "pan.___", state 386, "(1)" |
| 157 | line 399, "pan.___", state 405, "(1)" |
| 158 | line 403, "pan.___", state 417, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))" |
| 159 | line 408, "pan.___", state 435, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))" |
| 160 | line 413, "pan.___", state 461, "(1)" |
| 161 | line 418, "pan.___", state 478, "(1)" |
| 162 | line 403, "pan.___", state 510, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))" |
| 163 | line 408, "pan.___", state 528, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))" |
| 164 | line 413, "pan.___", state 554, "(1)" |
| 165 | line 418, "pan.___", state 571, "(1)" |
| 166 | line 164, "pan.___", state 594, "(1)" |
| 167 | line 168, "pan.___", state 606, "(1)" |
| 168 | line 160, "pan.___", state 618, "(1)" |
| 169 | line 168, "pan.___", state 638, "(1)" |
| 170 | line 164, "pan.___", state 662, "(1)" |
| 171 | line 168, "pan.___", state 674, "(1)" |
| 172 | line 399, "pan.___", state 696, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))" |
| 173 | line 399, "pan.___", state 698, "(1)" |
| 174 | line 399, "pan.___", state 699, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))" |
| 175 | line 399, "pan.___", state 699, "else" |
| 176 | line 399, "pan.___", state 702, "(1)" |
| 177 | line 403, "pan.___", state 710, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))" |
| 178 | line 403, "pan.___", state 712, "(1)" |
| 179 | line 403, "pan.___", state 713, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))" |
| 180 | line 403, "pan.___", state 713, "else" |
| 181 | line 403, "pan.___", state 716, "(1)" |
| 182 | line 403, "pan.___", state 717, "(1)" |
| 183 | line 403, "pan.___", state 717, "(1)" |
| 184 | line 401, "pan.___", state 722, "((i<1))" |
| 185 | line 401, "pan.___", state 722, "((i>=1))" |
| 186 | line 408, "pan.___", state 728, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))" |
| 187 | line 409, "pan.___", state 741, "(1)" |
| 188 | line 409, "pan.___", state 742, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))" |
| 189 | line 409, "pan.___", state 742, "else" |
| 190 | line 409, "pan.___", state 745, "(1)" |
| 191 | line 409, "pan.___", state 746, "(1)" |
| 192 | line 409, "pan.___", state 746, "(1)" |
| 193 | line 413, "pan.___", state 754, "(1)" |
| 194 | line 413, "pan.___", state 755, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))" |
| 195 | line 413, "pan.___", state 755, "else" |
| 196 | line 413, "pan.___", state 758, "(1)" |
| 197 | line 413, "pan.___", state 759, "(1)" |
| 198 | line 413, "pan.___", state 759, "(1)" |
| 199 | line 411, "pan.___", state 764, "((i<1))" |
| 200 | line 411, "pan.___", state 764, "((i>=1))" |
| 201 | line 418, "pan.___", state 771, "(1)" |
| 202 | line 418, "pan.___", state 772, "(!((cache_dirty_generation_ptr.bitfield&(1<<_pid))))" |
| 203 | line 418, "pan.___", state 772, "else" |
| 204 | line 418, "pan.___", state 775, "(1)" |
| 205 | line 418, "pan.___", state 776, "(1)" |
| 206 | line 418, "pan.___", state 776, "(1)" |
| 207 | line 420, "pan.___", state 779, "(1)" |
| 208 | line 420, "pan.___", state 779, "(1)" |
| 209 | line 403, "pan.___", state 810, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))" |
| 210 | line 408, "pan.___", state 828, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))" |
| 211 | line 413, "pan.___", state 854, "(1)" |
| 212 | line 418, "pan.___", state 871, "(1)" |
| 213 | line 403, "pan.___", state 900, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))" |
| 214 | line 408, "pan.___", state 918, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))" |
| 215 | line 413, "pan.___", state 944, "(1)" |
| 216 | line 418, "pan.___", state 961, "(1)" |
| 217 | line 399, "pan.___", state 980, "(1)" |
| 218 | line 403, "pan.___", state 992, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))" |
| 219 | line 408, "pan.___", state 1010, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))" |
| 220 | line 413, "pan.___", state 1036, "(1)" |
| 221 | line 418, "pan.___", state 1053, "(1)" |
| 222 | line 403, "pan.___", state 1085, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))" |
| 223 | line 408, "pan.___", state 1103, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))" |
| 224 | line 413, "pan.___", state 1129, "(1)" |
| 225 | line 418, "pan.___", state 1146, "(1)" |
| 226 | line 164, "pan.___", state 1169, "(1)" |
| 227 | line 168, "pan.___", state 1181, "(1)" |
| 228 | line 160, "pan.___", state 1193, "(1)" |
| 229 | line 168, "pan.___", state 1213, "(1)" |
| 230 | line 164, "pan.___", state 1237, "(1)" |
| 231 | line 168, "pan.___", state 1249, "(1)" |
| 232 | line 399, "pan.___", state 1271, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))" |
| 233 | line 399, "pan.___", state 1273, "(1)" |
| 234 | line 399, "pan.___", state 1274, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))" |
| 235 | line 399, "pan.___", state 1274, "else" |
| 236 | line 399, "pan.___", state 1277, "(1)" |
| 237 | line 403, "pan.___", state 1285, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))" |
| 238 | line 403, "pan.___", state 1287, "(1)" |
| 239 | line 403, "pan.___", state 1288, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))" |
| 240 | line 403, "pan.___", state 1288, "else" |
| 241 | line 403, "pan.___", state 1291, "(1)" |
| 242 | line 403, "pan.___", state 1292, "(1)" |
| 243 | line 403, "pan.___", state 1292, "(1)" |
| 244 | line 401, "pan.___", state 1297, "((i<1))" |
| 245 | line 401, "pan.___", state 1297, "((i>=1))" |
| 246 | line 408, "pan.___", state 1303, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))" |
| 247 | line 409, "pan.___", state 1316, "(1)" |
| 248 | line 409, "pan.___", state 1317, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))" |
| 249 | line 409, "pan.___", state 1317, "else" |
| 250 | line 409, "pan.___", state 1320, "(1)" |
| 251 | line 409, "pan.___", state 1321, "(1)" |
| 252 | line 409, "pan.___", state 1321, "(1)" |
| 253 | line 413, "pan.___", state 1329, "(1)" |
| 254 | line 413, "pan.___", state 1330, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))" |
| 255 | line 413, "pan.___", state 1330, "else" |
| 256 | line 413, "pan.___", state 1333, "(1)" |
| 257 | line 413, "pan.___", state 1334, "(1)" |
| 258 | line 413, "pan.___", state 1334, "(1)" |
| 259 | line 411, "pan.___", state 1339, "((i<1))" |
| 260 | line 411, "pan.___", state 1339, "((i>=1))" |
| 261 | line 418, "pan.___", state 1346, "(1)" |
| 262 | line 418, "pan.___", state 1347, "(!((cache_dirty_generation_ptr.bitfield&(1<<_pid))))" |
| 263 | line 418, "pan.___", state 1347, "else" |
| 264 | line 418, "pan.___", state 1350, "(1)" |
| 265 | line 418, "pan.___", state 1351, "(1)" |
| 266 | line 418, "pan.___", state 1351, "(1)" |
| 267 | line 420, "pan.___", state 1354, "(1)" |
| 268 | line 420, "pan.___", state 1354, "(1)" |
| 269 | line 164, "pan.___", state 1379, "(1)" |
| 270 | line 168, "pan.___", state 1391, "(1)" |
| 271 | line 160, "pan.___", state 1403, "(1)" |
| 272 | line 168, "pan.___", state 1423, "(1)" |
| 273 | line 164, "pan.___", state 1447, "(1)" |
| 274 | line 168, "pan.___", state 1459, "(1)" |
| 275 | line 702, "pan.___", state 1484, "-end-" |
| 276 | (160 of 1484 states) |
| 277 | unreached in proctype :init: |
| 278 | line 709, "pan.___", state 9, "((j<2))" |
| 279 | line 709, "pan.___", state 9, "((j>=2))" |
| 280 | line 710, "pan.___", state 20, "((j<2))" |
| 281 | line 710, "pan.___", state 20, "((j>=2))" |
| 282 | line 715, "pan.___", state 33, "((j<2))" |
| 283 | line 715, "pan.___", state 33, "((j>=2))" |
| 284 | (3 of 46 states) |
| 285 | unreached in proctype :never: |
| 286 | line 749, "pan.___", state 8, "-end-" |
| 287 | (1 of 8 states) |
| 288 | |
| 289 | pan: elapsed time 2.96 seconds |
| 290 | pan: rate 124050.34 states/second |
| 291 | pan: avg transition delay 7.7921e-07 usec |
| 292 | cp .input.spin urcu_free_no_wmb.spin.input |
| 293 | cp .input.spin.trail urcu_free_no_wmb.spin.input.trail |
| 294 | make[1]: Leaving directory `/home/compudj/doc/userspace-rcu/formal-model/urcu' |