formal-model/urcu/result-standard-execution-nest/urcu_free_no_wmb.log

   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'