formal-model/urcu-nosched-model/result-signal-over-writer/urcu_progress_writer_error.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_progress.ltl | grep -v ^//`)" >> pan.ltl
   7 cp urcu_progress_writer_error.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 -f -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 743)
  19 depth 12: Claim reached state 9 (line 748)
  20 depth 28: Claim reached state 9 (line 747)
  21
  22 (Spin Version 5.1.7 -- 23 December 2008)
  23         + Partial Order Reduction
  24
  25 Full statespace search for:
  26         never claim             +
  27         assertion violations    + (if within scope of claim)
  28         acceptance   cycles     + (fairness enabled)
  29         invalid end states      - (disabled by never claim)
  30
  31 State-vector 56 byte, depth reached 10679, errors: 0
  32     38555 states, stored (92500 visited)
  33   1044204 states, matched
  34   1136704 transitions (= visited+matched)
  35   3867169 atomic steps
  36 hash conflicts:      6390 (resolved)
  37
  38 Stats on memory usage (in Megabytes):
  39     3.089       equivalent memory usage for states (stored*(State-vector + overhead))
  40     2.767       actual memory usage for states (compression: 89.58%)
  41                 state-vector as stored = 47 byte + 28 byte overhead
  42     8.000       memory used for hash table (-w20)
  43   457.764       memory used for DFS stack (-m10000000)
  44   468.498       total actual memory usage
  45
  46 unreached in proctype urcu_reader_sig
  47         line 403, "pan.___", state 330, "(1)"
  48         line 614, "pan.___", state 411, "-end-"
  49         (2 of 411 states)
  50 unreached in proctype urcu_writer
  51         line 399, "pan.___", state 14, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<0)))"
  52         line 408, "pan.___", state 46, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<0)))"
  53         line 409, "pan.___", state 59, "(1)"
  54         line 418, "pan.___", state 89, "(1)"
  55         line 399, "pan.___", state 115, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<0)))"
  56         line 409, "pan.___", state 160, "(1)"
  57         line 652, "pan.___", state 213, "(1)"
  58         line 175, "pan.___", state 222, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<0)))"
  59         line 179, "pan.___", state 233, "(1)"
  60         line 160, "pan.___", state 254, "(1)"
  61         line 164, "pan.___", state 262, "(1)"
  62         line 168, "pan.___", state 274, "(1)"
  63         line 175, "pan.___", state 285, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<i)))"
  64         line 179, "pan.___", state 294, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<i)))"
  65         line 183, "pan.___", state 307, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<i)))"
  66         line 160, "pan.___", state 317, "(1)"
  67         line 164, "pan.___", state 325, "(1)"
  68         line 168, "pan.___", state 337, "(1)"
  69         line 175, "pan.___", state 352, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<0)))"
  70         line 179, "pan.___", state 361, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<0)))"
  71         line 183, "pan.___", state 374, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<0)))"
  72         line 160, "pan.___", state 384, "(1)"
  73         line 164, "pan.___", state 392, "(1)"
  74         line 168, "pan.___", state 404, "(1)"
  75         line 399, "pan.___", state 425, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<0)))"
  76         line 403, "pan.___", state 441, "(1)"
  77         line 408, "pan.___", state 457, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<0)))"
  78         line 409, "pan.___", state 470, "(1)"
  79         line 418, "pan.___", state 500, "(1)"
  80         line 399, "pan.___", state 526, "(1)"
  81         line 403, "pan.___", state 540, "(1)"
  82         line 408, "pan.___", state 556, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<0)))"
  83         line 418, "pan.___", state 599, "(1)"
  84         line 403, "pan.___", state 640, "(1)"
  85         line 408, "pan.___", state 656, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<0)))"
  86         line 418, "pan.___", state 699, "(1)"
  87         line 399, "pan.___", state 721, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<0)))"
  88         line 399, "pan.___", state 723, "(1)"
  89         line 399, "pan.___", state 724, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<0)))"
  90         line 399, "pan.___", state 724, "else"
  91         line 399, "pan.___", state 727, "(1)"
  92         line 403, "pan.___", state 735, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<0)))"
  93         line 403, "pan.___", state 737, "(1)"
  94         line 403, "pan.___", state 738, "((cache_dirty_urcu_active_readers.bitfield&(1<<0)))"
  95         line 403, "pan.___", state 738, "else"
  96         line 403, "pan.___", state 741, "(1)"
  97         line 403, "pan.___", state 742, "(1)"
  98         line 403, "pan.___", state 742, "(1)"
  99         line 401, "pan.___", state 747, "((i<1))"
 100         line 401, "pan.___", state 747, "((i>=1))"
 101         line 408, "pan.___", state 753, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<0)))"
 102         line 409, "pan.___", state 766, "(1)"
 103         line 409, "pan.___", state 767, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<0))))"
 104         line 409, "pan.___", state 767, "else"
 105         line 409, "pan.___", state 770, "(1)"
 106         line 409, "pan.___", state 771, "(1)"
 107         line 409, "pan.___", state 771, "(1)"
 108         line 413, "pan.___", state 779, "(1)"
 109         line 413, "pan.___", state 780, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<0))))"
 110         line 413, "pan.___", state 780, "else"
 111         line 413, "pan.___", state 783, "(1)"
 112         line 413, "pan.___", state 784, "(1)"
 113         line 413, "pan.___", state 784, "(1)"
 114         line 411, "pan.___", state 789, "((i<1))"
 115         line 411, "pan.___", state 789, "((i>=1))"
 116         line 418, "pan.___", state 796, "(1)"
 117         line 418, "pan.___", state 797, "(!((cache_dirty_generation_ptr.bitfield&(1<<0))))"
 118         line 418, "pan.___", state 797, "else"
 119         line 418, "pan.___", state 800, "(1)"
 120         line 418, "pan.___", state 801, "(1)"
 121         line 418, "pan.___", state 801, "(1)"
 122         line 420, "pan.___", state 804, "(1)"
 123         line 420, "pan.___", state 804, "(1)"
 124         line 356, "pan.___", state 810, "((sighand_exec==1))"
 125         line 356, "pan.___", state 810, "else"
 126         line 362, "pan.___", state 813, "sighand_exec = 1"
 127         line 399, "pan.___", state 826, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<0)))"
 128         line 399, "pan.___", state 828, "(1)"
 129         line 399, "pan.___", state 829, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<0)))"
 130         line 399, "pan.___", state 829, "else"
 131         line 399, "pan.___", state 832, "(1)"
 132         line 403, "pan.___", state 840, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<0)))"
 133         line 403, "pan.___", state 842, "(1)"
 134         line 403, "pan.___", state 843, "((cache_dirty_urcu_active_readers.bitfield&(1<<0)))"
 135         line 403, "pan.___", state 843, "else"
 136         line 403, "pan.___", state 846, "(1)"
 137         line 403, "pan.___", state 847, "(1)"
 138         line 403, "pan.___", state 847, "(1)"
 139         line 401, "pan.___", state 852, "((i<1))"
 140         line 401, "pan.___", state 852, "((i>=1))"
 141         line 408, "pan.___", state 858, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<0)))"
 142         line 409, "pan.___", state 871, "(1)"
 143         line 409, "pan.___", state 872, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<0))))"
 144         line 409, "pan.___", state 872, "else"
 145         line 409, "pan.___", state 875, "(1)"
 146         line 409, "pan.___", state 876, "(1)"
 147         line 409, "pan.___", state 876, "(1)"
 148         line 413, "pan.___", state 884, "(1)"
 149         line 413, "pan.___", state 885, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<0))))"
 150         line 413, "pan.___", state 885, "else"
 151         line 413, "pan.___", state 888, "(1)"
 152         line 413, "pan.___", state 889, "(1)"
 153         line 413, "pan.___", state 889, "(1)"
 154         line 411, "pan.___", state 894, "((i<1))"
 155         line 411, "pan.___", state 894, "((i>=1))"
 156         line 418, "pan.___", state 901, "(1)"
 157         line 418, "pan.___", state 902, "(!((cache_dirty_generation_ptr.bitfield&(1<<0))))"
 158         line 418, "pan.___", state 902, "else"
 159         line 418, "pan.___", state 905, "(1)"
 160         line 418, "pan.___", state 906, "(1)"
 161         line 418, "pan.___", state 906, "(1)"
 162         line 420, "pan.___", state 909, "(1)"
 163         line 420, "pan.___", state 909, "(1)"
 164         line 362, "pan.___", state 918, "sighand_exec = 1"
 165         line 403, "pan.___", state 949, "(1)"
 166         line 408, "pan.___", state 965, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<0)))"
 167         line 418, "pan.___", state 1008, "(1)"
 168         line 403, "pan.___", state 1046, "(1)"
 169         line 408, "pan.___", state 1062, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<0)))"
 170         line 418, "pan.___", state 1105, "(1)"
 171         line 399, "pan.___", state 1131, "(1)"
 172         line 403, "pan.___", state 1145, "(1)"
 173         line 408, "pan.___", state 1161, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<0)))"
 174         line 418, "pan.___", state 1204, "(1)"
 175         line 403, "pan.___", state 1245, "(1)"
 176         line 408, "pan.___", state 1261, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<0)))"
 177         line 418, "pan.___", state 1304, "(1)"
 178         line 399, "pan.___", state 1326, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<0)))"
 179         line 399, "pan.___", state 1328, "(1)"
 180         line 399, "pan.___", state 1329, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<0)))"
 181         line 399, "pan.___", state 1329, "else"
 182         line 399, "pan.___", state 1332, "(1)"
 183         line 403, "pan.___", state 1340, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<0)))"
 184         line 403, "pan.___", state 1342, "(1)"
 185         line 403, "pan.___", state 1343, "((cache_dirty_urcu_active_readers.bitfield&(1<<0)))"
 186         line 403, "pan.___", state 1343, "else"
 187         line 403, "pan.___", state 1346, "(1)"
 188         line 403, "pan.___", state 1347, "(1)"
 189         line 403, "pan.___", state 1347, "(1)"
 190         line 401, "pan.___", state 1352, "((i<1))"
 191         line 401, "pan.___", state 1352, "((i>=1))"
 192         line 408, "pan.___", state 1358, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<0)))"
 193         line 409, "pan.___", state 1371, "(1)"
 194         line 409, "pan.___", state 1372, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<0))))"
 195         line 409, "pan.___", state 1372, "else"
 196         line 409, "pan.___", state 1375, "(1)"
 197         line 409, "pan.___", state 1376, "(1)"
 198         line 409, "pan.___", state 1376, "(1)"
 199         line 413, "pan.___", state 1384, "(1)"
 200         line 413, "pan.___", state 1385, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<0))))"
 201         line 413, "pan.___", state 1385, "else"
 202         line 413, "pan.___", state 1388, "(1)"
 203         line 413, "pan.___", state 1389, "(1)"
 204         line 413, "pan.___", state 1389, "(1)"
 205         line 411, "pan.___", state 1394, "((i<1))"
 206         line 411, "pan.___", state 1394, "((i>=1))"
 207         line 418, "pan.___", state 1401, "(1)"
 208         line 418, "pan.___", state 1402, "(!((cache_dirty_generation_ptr.bitfield&(1<<0))))"
 209         line 418, "pan.___", state 1402, "else"
 210         line 418, "pan.___", state 1405, "(1)"
 211         line 418, "pan.___", state 1406, "(1)"
 212         line 418, "pan.___", state 1406, "(1)"
 213         line 420, "pan.___", state 1409, "(1)"
 214         line 420, "pan.___", state 1409, "(1)"
 215         line 356, "pan.___", state 1415, "((sighand_exec==1))"
 216         line 356, "pan.___", state 1415, "else"
 217         line 362, "pan.___", state 1418, "sighand_exec = 1"
 218         line 399, "pan.___", state 1431, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<0)))"
 219         line 399, "pan.___", state 1433, "(1)"
 220         line 399, "pan.___", state 1434, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<0)))"
 221         line 399, "pan.___", state 1434, "else"
 222         line 399, "pan.___", state 1437, "(1)"
 223         line 403, "pan.___", state 1445, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<0)))"
 224         line 403, "pan.___", state 1447, "(1)"
 225         line 403, "pan.___", state 1448, "((cache_dirty_urcu_active_readers.bitfield&(1<<0)))"
 226         line 403, "pan.___", state 1448, "else"
 227         line 403, "pan.___", state 1451, "(1)"
 228         line 403, "pan.___", state 1452, "(1)"
 229         line 403, "pan.___", state 1452, "(1)"
 230         line 401, "pan.___", state 1457, "((i<1))"
 231         line 401, "pan.___", state 1457, "((i>=1))"
 232         line 408, "pan.___", state 1463, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<0)))"
 233         line 409, "pan.___", state 1476, "(1)"
 234         line 409, "pan.___", state 1477, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<0))))"
 235         line 409, "pan.___", state 1477, "else"
 236         line 409, "pan.___", state 1480, "(1)"
 237         line 409, "pan.___", state 1481, "(1)"
 238         line 409, "pan.___", state 1481, "(1)"
 239         line 413, "pan.___", state 1489, "(1)"
 240         line 413, "pan.___", state 1490, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<0))))"
 241         line 413, "pan.___", state 1490, "else"
 242         line 413, "pan.___", state 1493, "(1)"
 243         line 413, "pan.___", state 1494, "(1)"
 244         line 413, "pan.___", state 1494, "(1)"
 245         line 411, "pan.___", state 1499, "((i<1))"
 246         line 411, "pan.___", state 1499, "((i>=1))"
 247         line 418, "pan.___", state 1506, "(1)"
 248         line 418, "pan.___", state 1507, "(!((cache_dirty_generation_ptr.bitfield&(1<<0))))"
 249         line 418, "pan.___", state 1507, "else"
 250         line 418, "pan.___", state 1510, "(1)"
 251         line 418, "pan.___", state 1511, "(1)"
 252         line 418, "pan.___", state 1511, "(1)"
 253         line 420, "pan.___", state 1514, "(1)"
 254         line 420, "pan.___", state 1514, "(1)"
 255         line 362, "pan.___", state 1523, "sighand_exec = 1"
 256         line 179, "pan.___", state 1548, "(1)"
 257         line 183, "pan.___", state 1559, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<0)))"
 258         line 160, "pan.___", state 1569, "(1)"
 259         line 164, "pan.___", state 1577, "(1)"
 260         line 168, "pan.___", state 1589, "(1)"
 261         line 175, "pan.___", state 1600, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<i)))"
 262         line 179, "pan.___", state 1609, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<i)))"
 263         line 183, "pan.___", state 1622, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<i)))"
 264         line 160, "pan.___", state 1632, "(1)"
 265         line 164, "pan.___", state 1640, "(1)"
 266         line 168, "pan.___", state 1652, "(1)"
 267         line 175, "pan.___", state 1667, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<0)))"
 268         line 179, "pan.___", state 1676, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<0)))"
 269         line 183, "pan.___", state 1689, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<0)))"
 270         line 160, "pan.___", state 1699, "(1)"
 271         line 164, "pan.___", state 1707, "(1)"
 272         line 168, "pan.___", state 1719, "(1)"
 273         line 702, "pan.___", state 1758, "-end-"
 274         (173 of 1758 states)
 275 unreached in proctype :init:
 276         (0 of 46 states)
 277 unreached in proctype :never:
 278         line 750, "pan.___", state 11, "-end-"
 279         (1 of 11 states)
 280
 281 pan: elapsed time 0.89 seconds
 282 pan: rate 103932.58 states/second
 283 pan: avg transition delay 7.8297e-07 usec
 284 cp .input.spin urcu_progress_writer_error.spin.input
 285 cp .input.spin.trail urcu_progress_writer_error.spin.input.trail
 286 make[1]: Leaving directory `/home/compudj/doc/userspace-rcu/formal-model/urcu'