formal-model/urcu/result-standard-execution-nonest/urcu_free_no_rmb.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_rmb.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 1726)
  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 3264, errors: 1
  33    229629 states, stored
  34   2119227 states, matched
  35   2348856 transitions (= stored+matched)
  36   8294746 atomic steps
  37 hash conflicts:     96242 (resolved)
  38
  39 Stats on memory usage (in Megabytes):
  40    18.395       equivalent memory usage for states (stored*(State-vector + overhead))
  41    14.410       actual memory usage for states (compression: 78.34%)
  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   480.119       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 408, "pan.___", state 347, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
  62         line 409, "pan.___", state 360, "(1)"
  63         line 418, "pan.___", state 390, "(1)"
  64         line 540, "pan.___", state 414, "-end-"
  65         (17 of 414 states)
  66 unreached in proctype urcu_writer
  67         line 399, "pan.___", state 14, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
  68         line 399, "pan.___", state 20, "(1)"
  69         line 403, "pan.___", state 28, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
  70         line 403, "pan.___", state 34, "(1)"
  71         line 403, "pan.___", state 35, "(1)"
  72         line 403, "pan.___", state 35, "(1)"
  73         line 401, "pan.___", state 40, "((i<1))"
  74         line 401, "pan.___", state 40, "((i>=1))"
  75         line 408, "pan.___", state 46, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
  76         line 409, "pan.___", state 59, "(1)"
  77         line 409, "pan.___", state 60, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
  78         line 409, "pan.___", state 60, "else"
  79         line 409, "pan.___", state 63, "(1)"
  80         line 409, "pan.___", state 64, "(1)"
  81         line 409, "pan.___", state 64, "(1)"
  82         line 413, "pan.___", state 72, "(1)"
  83         line 413, "pan.___", state 73, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
  84         line 413, "pan.___", state 73, "else"
  85         line 413, "pan.___", state 76, "(1)"
  86         line 413, "pan.___", state 77, "(1)"
  87         line 413, "pan.___", state 77, "(1)"
  88         line 411, "pan.___", state 82, "((i<1))"
  89         line 411, "pan.___", state 82, "((i>=1))"
  90         line 418, "pan.___", state 89, "(1)"
  91         line 418, "pan.___", state 90, "(!((cache_dirty_generation_ptr.bitfield&(1<<_pid))))"
  92         line 418, "pan.___", state 90, "else"
  93         line 418, "pan.___", state 93, "(1)"
  94         line 418, "pan.___", state 94, "(1)"
  95         line 418, "pan.___", state 94, "(1)"
  96         line 420, "pan.___", state 97, "(1)"
  97         line 420, "pan.___", state 97, "(1)"
  98         line 369, "pan.___", state 99, "(1)"
  99         line 639, "pan.___", state 103, "cached_generation_ptr.val[_pid] = (old_gen+1)"
 100         line 637, "pan.___", state 104, "old_gen = cached_generation_ptr.val[_pid]"
 101         line 399, "pan.___", state 108, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
 102         line 399, "pan.___", state 114, "(1)"
 103         line 403, "pan.___", state 122, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
 104         line 403, "pan.___", state 128, "(1)"
 105         line 403, "pan.___", state 129, "(1)"
 106         line 403, "pan.___", state 129, "(1)"
 107         line 409, "pan.___", state 153, "(1)"
 108         line 413, "pan.___", state 166, "(1)"
 109         line 420, "pan.___", state 191, "(1)"
 110         line 420, "pan.___", state 191, "(1)"
 111         line 652, "pan.___", state 199, "(1)"
 112         line 175, "pan.___", state 208, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
 113         line 179, "pan.___", state 217, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
 114         line 175, "pan.___", state 243, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<i)))"
 115         line 183, "pan.___", state 265, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<i)))"
 116         line 175, "pan.___", state 282, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
 117         line 179, "pan.___", state 291, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
 118         line 183, "pan.___", state 304, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
 119         line 399, "pan.___", state 320, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
 120         line 403, "pan.___", state 334, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
 121         line 408, "pan.___", state 352, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
 122         line 409, "pan.___", state 365, "(1)"
 123         line 413, "pan.___", state 378, "(1)"
 124         line 418, "pan.___", state 395, "(1)"
 125         line 399, "pan.___", state 414, "(1)"
 126         line 403, "pan.___", state 426, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
 127         line 408, "pan.___", state 444, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
 128         line 413, "pan.___", state 470, "(1)"
 129         line 418, "pan.___", state 487, "(1)"
 130         line 403, "pan.___", state 519, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
 131         line 408, "pan.___", state 537, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
 132         line 413, "pan.___", state 563, "(1)"
 133         line 418, "pan.___", state 580, "(1)"
 134         line 179, "pan.___", state 603, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
 135         line 183, "pan.___", state 616, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
 136         line 175, "pan.___", state 629, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<i)))"
 137         line 183, "pan.___", state 651, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<i)))"
 138         line 175, "pan.___", state 668, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
 139         line 179, "pan.___", state 677, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
 140         line 183, "pan.___", state 690, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
 141         line 399, "pan.___", state 714, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
 142         line 399, "pan.___", state 716, "(1)"
 143         line 399, "pan.___", state 717, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
 144         line 399, "pan.___", state 717, "else"
 145         line 399, "pan.___", state 720, "(1)"
 146         line 403, "pan.___", state 728, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
 147         line 403, "pan.___", state 730, "(1)"
 148         line 403, "pan.___", state 731, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
 149         line 403, "pan.___", state 731, "else"
 150         line 403, "pan.___", state 734, "(1)"
 151         line 403, "pan.___", state 735, "(1)"
 152         line 403, "pan.___", state 735, "(1)"
 153         line 401, "pan.___", state 740, "((i<1))"
 154         line 401, "pan.___", state 740, "((i>=1))"
 155         line 408, "pan.___", state 746, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
 156         line 409, "pan.___", state 759, "(1)"
 157         line 409, "pan.___", state 760, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
 158         line 409, "pan.___", state 760, "else"
 159         line 409, "pan.___", state 763, "(1)"
 160         line 409, "pan.___", state 764, "(1)"
 161         line 409, "pan.___", state 764, "(1)"
 162         line 413, "pan.___", state 772, "(1)"
 163         line 413, "pan.___", state 773, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
 164         line 413, "pan.___", state 773, "else"
 165         line 413, "pan.___", state 776, "(1)"
 166         line 413, "pan.___", state 777, "(1)"
 167         line 413, "pan.___", state 777, "(1)"
 168         line 411, "pan.___", state 782, "((i<1))"
 169         line 411, "pan.___", state 782, "((i>=1))"
 170         line 418, "pan.___", state 789, "(1)"
 171         line 418, "pan.___", state 790, "(!((cache_dirty_generation_ptr.bitfield&(1<<_pid))))"
 172         line 418, "pan.___", state 790, "else"
 173         line 418, "pan.___", state 793, "(1)"
 174         line 418, "pan.___", state 794, "(1)"
 175         line 418, "pan.___", state 794, "(1)"
 176         line 420, "pan.___", state 797, "(1)"
 177         line 420, "pan.___", state 797, "(1)"
 178         line 403, "pan.___", state 828, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
 179         line 408, "pan.___", state 846, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
 180         line 413, "pan.___", state 872, "(1)"
 181         line 418, "pan.___", state 889, "(1)"
 182         line 403, "pan.___", state 918, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
 183         line 408, "pan.___", state 936, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
 184         line 413, "pan.___", state 962, "(1)"
 185         line 418, "pan.___", state 979, "(1)"
 186         line 399, "pan.___", state 998, "(1)"
 187         line 403, "pan.___", state 1010, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
 188         line 408, "pan.___", state 1028, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
 189         line 413, "pan.___", state 1054, "(1)"
 190         line 418, "pan.___", state 1071, "(1)"
 191         line 403, "pan.___", state 1103, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
 192         line 408, "pan.___", state 1121, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
 193         line 413, "pan.___", state 1147, "(1)"
 194         line 418, "pan.___", state 1164, "(1)"
 195         line 179, "pan.___", state 1187, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
 196         line 183, "pan.___", state 1200, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
 197         line 175, "pan.___", state 1213, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<i)))"
 198         line 183, "pan.___", state 1235, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<i)))"
 199         line 175, "pan.___", state 1252, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
 200         line 179, "pan.___", state 1261, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
 201         line 183, "pan.___", state 1274, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
 202         line 399, "pan.___", state 1298, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
 203         line 399, "pan.___", state 1300, "(1)"
 204         line 399, "pan.___", state 1301, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
 205         line 399, "pan.___", state 1301, "else"
 206         line 399, "pan.___", state 1304, "(1)"
 207         line 403, "pan.___", state 1312, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
 208         line 403, "pan.___", state 1314, "(1)"
 209         line 403, "pan.___", state 1315, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
 210         line 403, "pan.___", state 1315, "else"
 211         line 403, "pan.___", state 1318, "(1)"
 212         line 403, "pan.___", state 1319, "(1)"
 213         line 403, "pan.___", state 1319, "(1)"
 214         line 401, "pan.___", state 1324, "((i<1))"
 215         line 401, "pan.___", state 1324, "((i>=1))"
 216         line 408, "pan.___", state 1330, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
 217         line 409, "pan.___", state 1343, "(1)"
 218         line 409, "pan.___", state 1344, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
 219         line 409, "pan.___", state 1344, "else"
 220         line 409, "pan.___", state 1347, "(1)"
 221         line 409, "pan.___", state 1348, "(1)"
 222         line 409, "pan.___", state 1348, "(1)"
 223         line 413, "pan.___", state 1356, "(1)"
 224         line 413, "pan.___", state 1357, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
 225         line 413, "pan.___", state 1357, "else"
 226         line 413, "pan.___", state 1360, "(1)"
 227         line 413, "pan.___", state 1361, "(1)"
 228         line 413, "pan.___", state 1361, "(1)"
 229         line 411, "pan.___", state 1366, "((i<1))"
 230         line 411, "pan.___", state 1366, "((i>=1))"
 231         line 418, "pan.___", state 1373, "(1)"
 232         line 418, "pan.___", state 1374, "(!((cache_dirty_generation_ptr.bitfield&(1<<_pid))))"
 233         line 418, "pan.___", state 1374, "else"
 234         line 418, "pan.___", state 1377, "(1)"
 235         line 418, "pan.___", state 1378, "(1)"
 236         line 418, "pan.___", state 1378, "(1)"
 237         line 420, "pan.___", state 1381, "(1)"
 238         line 420, "pan.___", state 1381, "(1)"
 239         line 179, "pan.___", state 1406, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
 240         line 183, "pan.___", state 1419, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
 241         line 175, "pan.___", state 1432, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<i)))"
 242         line 183, "pan.___", state 1454, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<i)))"
 243         line 175, "pan.___", state 1471, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
 244         line 179, "pan.___", state 1480, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
 245         line 183, "pan.___", state 1493, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
 246         line 702, "pan.___", state 1520, "-end-"
 247         (144 of 1520 states)
 248 unreached in proctype :init:
 249         line 709, "pan.___", state 9, "((j<2))"
 250         line 709, "pan.___", state 9, "((j>=2))"
 251         line 710, "pan.___", state 20, "((j<2))"
 252         line 710, "pan.___", state 20, "((j>=2))"
 253         line 715, "pan.___", state 33, "((j<2))"
 254         line 715, "pan.___", state 33, "((j>=2))"
 255         (3 of 46 states)
 256 unreached in proctype :never:
 257         line 749, "pan.___", state 8, "-end-"
 258         (1 of 8 states)
 259
 260 pan: elapsed time 1.88 seconds
 261 pan: rate 122143.09 states/second
 262 pan: avg transition delay 8.0039e-07 usec
 263 cp .input.spin urcu_free_no_rmb.spin.input
 264 cp .input.spin.trail urcu_free_no_rmb.spin.input.trail
 265 make[1]: Leaving directory `/home/compudj/doc/userspace-rcu/formal-model/urcu'