| 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_mb.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 745) |
| 19 | pan: claim violated! (at depth 2071) |
| 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 72 byte, depth reached 5140, errors: 1 |
| 33 | 264561 states, stored |
| 34 | 3902374 states, matched |
| 35 | 4166935 transitions (= stored+matched) |
| 36 | 15172302 atomic steps |
| 37 | hash conflicts: 196282 (resolved) |
| 38 | |
| 39 | Stats on memory usage (in Megabytes): |
| 40 | 25.231 equivalent memory usage for states (stored*(State-vector + overhead)) |
| 41 | 16.681 actual memory usage for states (compression: 66.12%) |
| 42 | state-vector as stored = 38 byte + 28 byte overhead |
| 43 | 8.000 memory used for hash table (-w20) |
| 44 | 457.764 memory used for DFS stack (-m10000000) |
| 45 | 482.365 total actual memory usage |
| 46 | |
| 47 | unreached in proctype urcu_reader |
| 48 | line 400, "pan.___", state 16, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))" |
| 49 | line 409, "pan.___", state 48, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))" |
| 50 | line 410, "pan.___", state 61, "(1)" |
| 51 | line 419, "pan.___", state 91, "(1)" |
| 52 | line 400, "pan.___", state 106, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))" |
| 53 | line 409, "pan.___", state 138, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))" |
| 54 | line 410, "pan.___", state 151, "(1)" |
| 55 | line 419, "pan.___", state 181, "(1)" |
| 56 | line 400, "pan.___", state 197, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))" |
| 57 | line 409, "pan.___", state 229, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))" |
| 58 | line 410, "pan.___", state 242, "(1)" |
| 59 | line 419, "pan.___", state 272, "(1)" |
| 60 | line 400, "pan.___", state 315, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))" |
| 61 | line 404, "pan.___", state 331, "(1)" |
| 62 | line 409, "pan.___", state 347, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))" |
| 63 | line 410, "pan.___", state 360, "(1)" |
| 64 | line 419, "pan.___", state 390, "(1)" |
| 65 | line 541, "pan.___", state 414, "-end-" |
| 66 | (18 of 414 states) |
| 67 | unreached in proctype urcu_writer |
| 68 | line 400, "pan.___", state 14, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))" |
| 69 | line 400, "pan.___", state 20, "(1)" |
| 70 | line 404, "pan.___", state 28, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))" |
| 71 | line 404, "pan.___", state 34, "(1)" |
| 72 | line 404, "pan.___", state 35, "(1)" |
| 73 | line 404, "pan.___", state 35, "(1)" |
| 74 | line 402, "pan.___", state 40, "((i<1))" |
| 75 | line 402, "pan.___", state 40, "((i>=1))" |
| 76 | line 409, "pan.___", state 46, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))" |
| 77 | line 410, "pan.___", state 59, "(1)" |
| 78 | line 410, "pan.___", state 60, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))" |
| 79 | line 410, "pan.___", state 60, "else" |
| 80 | line 410, "pan.___", state 63, "(1)" |
| 81 | line 410, "pan.___", state 64, "(1)" |
| 82 | line 410, "pan.___", state 64, "(1)" |
| 83 | line 414, "pan.___", state 72, "(1)" |
| 84 | line 414, "pan.___", state 73, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))" |
| 85 | line 414, "pan.___", state 73, "else" |
| 86 | line 414, "pan.___", state 76, "(1)" |
| 87 | line 414, "pan.___", state 77, "(1)" |
| 88 | line 414, "pan.___", state 77, "(1)" |
| 89 | line 412, "pan.___", state 82, "((i<1))" |
| 90 | line 412, "pan.___", state 82, "((i>=1))" |
| 91 | line 419, "pan.___", state 89, "(1)" |
| 92 | line 419, "pan.___", state 90, "(!((cache_dirty_generation_ptr.bitfield&(1<<_pid))))" |
| 93 | line 419, "pan.___", state 90, "else" |
| 94 | line 419, "pan.___", state 93, "(1)" |
| 95 | line 419, "pan.___", state 94, "(1)" |
| 96 | line 419, "pan.___", state 94, "(1)" |
| 97 | line 421, "pan.___", state 97, "(1)" |
| 98 | line 421, "pan.___", state 97, "(1)" |
| 99 | line 370, "pan.___", state 99, "(1)" |
| 100 | line 640, "pan.___", state 103, "cached_generation_ptr.val[_pid] = (old_gen+1)" |
| 101 | line 638, "pan.___", state 104, "old_gen = cached_generation_ptr.val[_pid]" |
| 102 | line 400, "pan.___", state 108, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))" |
| 103 | line 400, "pan.___", state 114, "(1)" |
| 104 | line 404, "pan.___", state 122, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))" |
| 105 | line 404, "pan.___", state 128, "(1)" |
| 106 | line 404, "pan.___", state 129, "(1)" |
| 107 | line 404, "pan.___", state 129, "(1)" |
| 108 | line 410, "pan.___", state 153, "(1)" |
| 109 | line 414, "pan.___", state 166, "(1)" |
| 110 | line 421, "pan.___", state 191, "(1)" |
| 111 | line 421, "pan.___", state 191, "(1)" |
| 112 | line 653, "pan.___", state 199, "(1)" |
| 113 | line 400, "pan.___", state 209, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))" |
| 114 | line 404, "pan.___", state 223, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))" |
| 115 | line 410, "pan.___", state 254, "(1)" |
| 116 | line 414, "pan.___", state 267, "(1)" |
| 117 | line 400, "pan.___", state 300, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))" |
| 118 | line 404, "pan.___", state 314, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))" |
| 119 | line 410, "pan.___", state 345, "(1)" |
| 120 | line 414, "pan.___", state 358, "(1)" |
| 121 | line 400, "pan.___", state 395, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))" |
| 122 | line 404, "pan.___", state 409, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))" |
| 123 | line 410, "pan.___", state 440, "(1)" |
| 124 | line 414, "pan.___", state 453, "(1)" |
| 125 | line 400, "pan.___", state 488, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))" |
| 126 | line 404, "pan.___", state 502, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))" |
| 127 | line 410, "pan.___", state 533, "(1)" |
| 128 | line 414, "pan.___", state 546, "(1)" |
| 129 | line 400, "pan.___", state 582, "(1)" |
| 130 | line 404, "pan.___", state 594, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))" |
| 131 | line 414, "pan.___", state 638, "(1)" |
| 132 | line 404, "pan.___", state 687, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))" |
| 133 | line 414, "pan.___", state 731, "(1)" |
| 134 | line 404, "pan.___", state 777, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))" |
| 135 | line 409, "pan.___", state 795, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))" |
| 136 | line 414, "pan.___", state 821, "(1)" |
| 137 | line 419, "pan.___", state 838, "(1)" |
| 138 | line 404, "pan.___", state 868, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))" |
| 139 | line 409, "pan.___", state 886, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))" |
| 140 | line 414, "pan.___", state 912, "(1)" |
| 141 | line 419, "pan.___", state 929, "(1)" |
| 142 | line 404, "pan.___", state 963, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))" |
| 143 | line 409, "pan.___", state 981, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))" |
| 144 | line 414, "pan.___", state 1007, "(1)" |
| 145 | line 419, "pan.___", state 1024, "(1)" |
| 146 | line 400, "pan.___", state 1050, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))" |
| 147 | line 400, "pan.___", state 1052, "(1)" |
| 148 | line 400, "pan.___", state 1053, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))" |
| 149 | line 400, "pan.___", state 1053, "else" |
| 150 | line 400, "pan.___", state 1056, "(1)" |
| 151 | line 404, "pan.___", state 1064, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))" |
| 152 | line 404, "pan.___", state 1066, "(1)" |
| 153 | line 404, "pan.___", state 1067, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))" |
| 154 | line 404, "pan.___", state 1067, "else" |
| 155 | line 404, "pan.___", state 1070, "(1)" |
| 156 | line 404, "pan.___", state 1071, "(1)" |
| 157 | line 404, "pan.___", state 1071, "(1)" |
| 158 | line 402, "pan.___", state 1076, "((i<1))" |
| 159 | line 402, "pan.___", state 1076, "((i>=1))" |
| 160 | line 409, "pan.___", state 1082, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))" |
| 161 | line 410, "pan.___", state 1095, "(1)" |
| 162 | line 410, "pan.___", state 1096, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))" |
| 163 | line 410, "pan.___", state 1096, "else" |
| 164 | line 410, "pan.___", state 1099, "(1)" |
| 165 | line 410, "pan.___", state 1100, "(1)" |
| 166 | line 410, "pan.___", state 1100, "(1)" |
| 167 | line 414, "pan.___", state 1108, "(1)" |
| 168 | line 414, "pan.___", state 1109, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))" |
| 169 | line 414, "pan.___", state 1109, "else" |
| 170 | line 414, "pan.___", state 1112, "(1)" |
| 171 | line 414, "pan.___", state 1113, "(1)" |
| 172 | line 414, "pan.___", state 1113, "(1)" |
| 173 | line 412, "pan.___", state 1118, "((i<1))" |
| 174 | line 412, "pan.___", state 1118, "((i>=1))" |
| 175 | line 419, "pan.___", state 1125, "(1)" |
| 176 | line 419, "pan.___", state 1126, "(!((cache_dirty_generation_ptr.bitfield&(1<<_pid))))" |
| 177 | line 419, "pan.___", state 1126, "else" |
| 178 | line 419, "pan.___", state 1129, "(1)" |
| 179 | line 419, "pan.___", state 1130, "(1)" |
| 180 | line 419, "pan.___", state 1130, "(1)" |
| 181 | line 421, "pan.___", state 1133, "(1)" |
| 182 | line 421, "pan.___", state 1133, "(1)" |
| 183 | line 404, "pan.___", state 1164, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))" |
| 184 | line 414, "pan.___", state 1208, "(1)" |
| 185 | line 404, "pan.___", state 1254, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))" |
| 186 | line 414, "pan.___", state 1298, "(1)" |
| 187 | line 400, "pan.___", state 1334, "(1)" |
| 188 | line 404, "pan.___", state 1346, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))" |
| 189 | line 414, "pan.___", state 1390, "(1)" |
| 190 | line 404, "pan.___", state 1439, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))" |
| 191 | line 414, "pan.___", state 1483, "(1)" |
| 192 | line 404, "pan.___", state 1529, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))" |
| 193 | line 409, "pan.___", state 1547, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))" |
| 194 | line 414, "pan.___", state 1573, "(1)" |
| 195 | line 419, "pan.___", state 1590, "(1)" |
| 196 | line 404, "pan.___", state 1620, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))" |
| 197 | line 409, "pan.___", state 1638, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))" |
| 198 | line 414, "pan.___", state 1664, "(1)" |
| 199 | line 419, "pan.___", state 1681, "(1)" |
| 200 | line 404, "pan.___", state 1715, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))" |
| 201 | line 409, "pan.___", state 1733, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))" |
| 202 | line 414, "pan.___", state 1759, "(1)" |
| 203 | line 419, "pan.___", state 1776, "(1)" |
| 204 | line 400, "pan.___", state 1802, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))" |
| 205 | line 400, "pan.___", state 1804, "(1)" |
| 206 | line 400, "pan.___", state 1805, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))" |
| 207 | line 400, "pan.___", state 1805, "else" |
| 208 | line 400, "pan.___", state 1808, "(1)" |
| 209 | line 404, "pan.___", state 1816, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))" |
| 210 | line 404, "pan.___", state 1818, "(1)" |
| 211 | line 404, "pan.___", state 1819, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))" |
| 212 | line 404, "pan.___", state 1819, "else" |
| 213 | line 404, "pan.___", state 1822, "(1)" |
| 214 | line 404, "pan.___", state 1823, "(1)" |
| 215 | line 404, "pan.___", state 1823, "(1)" |
| 216 | line 402, "pan.___", state 1828, "((i<1))" |
| 217 | line 402, "pan.___", state 1828, "((i>=1))" |
| 218 | line 409, "pan.___", state 1834, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))" |
| 219 | line 410, "pan.___", state 1847, "(1)" |
| 220 | line 410, "pan.___", state 1848, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))" |
| 221 | line 410, "pan.___", state 1848, "else" |
| 222 | line 410, "pan.___", state 1851, "(1)" |
| 223 | line 410, "pan.___", state 1852, "(1)" |
| 224 | line 410, "pan.___", state 1852, "(1)" |
| 225 | line 414, "pan.___", state 1860, "(1)" |
| 226 | line 414, "pan.___", state 1861, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))" |
| 227 | line 414, "pan.___", state 1861, "else" |
| 228 | line 414, "pan.___", state 1864, "(1)" |
| 229 | line 414, "pan.___", state 1865, "(1)" |
| 230 | line 414, "pan.___", state 1865, "(1)" |
| 231 | line 412, "pan.___", state 1870, "((i<1))" |
| 232 | line 412, "pan.___", state 1870, "((i>=1))" |
| 233 | line 419, "pan.___", state 1877, "(1)" |
| 234 | line 419, "pan.___", state 1878, "(!((cache_dirty_generation_ptr.bitfield&(1<<_pid))))" |
| 235 | line 419, "pan.___", state 1878, "else" |
| 236 | line 419, "pan.___", state 1881, "(1)" |
| 237 | line 419, "pan.___", state 1882, "(1)" |
| 238 | line 419, "pan.___", state 1882, "(1)" |
| 239 | line 421, "pan.___", state 1885, "(1)" |
| 240 | line 421, "pan.___", state 1885, "(1)" |
| 241 | line 404, "pan.___", state 1916, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))" |
| 242 | line 414, "pan.___", state 1960, "(1)" |
| 243 | line 404, "pan.___", state 2007, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))" |
| 244 | line 414, "pan.___", state 2051, "(1)" |
| 245 | line 404, "pan.___", state 2102, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))" |
| 246 | line 414, "pan.___", state 2146, "(1)" |
| 247 | line 703, "pan.___", state 2192, "-end-" |
| 248 | (144 of 2192 states) |
| 249 | unreached in proctype :init: |
| 250 | line 710, "pan.___", state 9, "((j<2))" |
| 251 | line 710, "pan.___", state 9, "((j>=2))" |
| 252 | line 711, "pan.___", state 20, "((j<2))" |
| 253 | line 711, "pan.___", state 20, "((j>=2))" |
| 254 | line 716, "pan.___", state 33, "((j<2))" |
| 255 | line 716, "pan.___", state 33, "((j>=2))" |
| 256 | (3 of 46 states) |
| 257 | unreached in proctype :never: |
| 258 | line 750, "pan.___", state 8, "-end-" |
| 259 | (1 of 8 states) |
| 260 | |
| 261 | pan: elapsed time 3.37 seconds |
| 262 | pan: rate 78504.748 states/second |
| 263 | pan: avg transition delay 8.0875e-07 usec |
| 264 | cp .input.spin urcu_free_no_mb.spin.input |
| 265 | cp .input.spin.trail urcu_free_no_mb.spin.input.trail |
| 266 | make[1]: Leaving directory `/home/compudj/doc/userspace-rcu/formal-model/urcu' |