formal-model/urcu/result-signal-over-reader/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 Depth=   10656 States=    1e+06 Transitions= 8.86e+06 Memory=   534.807 t=   7.38 R=   1e+05
  20 Depth=   35214 States=    2e+06 Transitions= 1.82e+07 Memory=   603.557 t=   15.5 R=   1e+05
  21 Depth=   35214 States=    3e+06 Transitions= 2.73e+07 Memory=   672.209 t=   23.8 R=   1e+05
  22 pan: resizing hashtable to -w22..  done
  23 Depth=   35214 States=    4e+06 Transitions= 4.08e+07 Memory=   771.885 t=   35.9 R=   1e+05
  24 pan: claim violated! (at depth 1650)
  25 pan: wrote .input.spin.trail
  26
  27 (Spin Version 5.1.7 -- 23 December 2008)
  28 Warning: Search not completed
  29         + Partial Order Reduction
  30
  31 Full statespace search for:
  32         never claim             +
  33         assertion violations    + (if within scope of claim)
  34         acceptance   cycles     + (fairness disabled)
  35         invalid end states      - (disabled by never claim)
  36
  37 State-vector 64 byte, depth reached 35214, errors: 1
  38   4154272 states, stored
  39  38595853 states, matched
  40  42750125 transitions (= stored+matched)
  41 1.4058824e+08 atomic steps
  42 hash conflicts:  21492325 (resolved)
  43
  44 Stats on memory usage (in Megabytes):
  45   364.488       equivalent memory usage for states (stored*(State-vector + overhead))
  46   292.863       actual memory usage for states (compression: 80.35%)
  47                 state-vector as stored = 46 byte + 28 byte overhead
  48    32.000       memory used for hash table (-w22)
  49   457.764       memory used for DFS stack (-m10000000)
  50   782.529       total actual memory usage
  51
  52 unreached in proctype urcu_reader
  53         line 399, "pan.___", state 16, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
  54         line 408, "pan.___", state 48, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
  55         line 409, "pan.___", state 61, "(1)"
  56         line 418, "pan.___", state 91, "(1)"
  57         line 399, "pan.___", state 113, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
  58         line 408, "pan.___", state 145, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
  59         line 409, "pan.___", state 158, "(1)"
  60         line 418, "pan.___", state 188, "(1)"
  61         line 399, "pan.___", state 211, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
  62         line 403, "pan.___", state 227, "(1)"
  63         line 408, "pan.___", state 243, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
  64         line 409, "pan.___", state 256, "(1)"
  65         line 418, "pan.___", state 286, "(1)"
  66         line 399, "pan.___", state 350, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
  67         line 403, "pan.___", state 366, "(1)"
  68         line 408, "pan.___", state 382, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
  69         line 409, "pan.___", state 395, "(1)"
  70         line 418, "pan.___", state 425, "(1)"
  71         line 540, "pan.___", state 456, "-end-"
  72         (19 of 456 states)
  73 unreached in proctype urcu_reader_sig
  74         line 399, "pan.___", state 25, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
  75         line 408, "pan.___", state 57, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
  76         line 409, "pan.___", state 70, "(1)"
  77         line 418, "pan.___", state 100, "(1)"
  78         line 399, "pan.___", state 113, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
  79         line 408, "pan.___", state 145, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
  80         line 409, "pan.___", state 158, "(1)"
  81         line 418, "pan.___", state 188, "(1)"
  82         line 399, "pan.___", state 202, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
  83         line 408, "pan.___", state 234, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
  84         line 409, "pan.___", state 247, "(1)"
  85         line 418, "pan.___", state 277, "(1)"
  86         line 399, "pan.___", state 314, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
  87         line 403, "pan.___", state 330, "(1)"
  88         line 408, "pan.___", state 346, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
  89         line 409, "pan.___", state 359, "(1)"
  90         line 418, "pan.___", state 389, "(1)"
  91         line 614, "pan.___", state 411, "-end-"
  92         (18 of 411 states)
  93 unreached in proctype urcu_writer
  94         line 399, "pan.___", state 14, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
  95         line 399, "pan.___", state 20, "(1)"
  96         line 403, "pan.___", state 28, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
  97         line 403, "pan.___", state 34, "(1)"
  98         line 403, "pan.___", state 35, "(1)"
  99         line 403, "pan.___", state 35, "(1)"
 100         line 401, "pan.___", state 40, "((i<1))"
 101         line 401, "pan.___", state 40, "((i>=1))"
 102         line 408, "pan.___", state 46, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 103         line 409, "pan.___", state 59, "(1)"
 104         line 409, "pan.___", state 60, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<( ((_pid<2)) -> (0) : (1) )))))"
 105         line 409, "pan.___", state 60, "else"
 106         line 409, "pan.___", state 63, "(1)"
 107         line 409, "pan.___", state 64, "(1)"
 108         line 409, "pan.___", state 64, "(1)"
 109         line 413, "pan.___", state 72, "(1)"
 110         line 413, "pan.___", state 73, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<( ((_pid<2)) -> (0) : (1) )))))"
 111         line 413, "pan.___", state 73, "else"
 112         line 413, "pan.___", state 76, "(1)"
 113         line 413, "pan.___", state 77, "(1)"
 114         line 413, "pan.___", state 77, "(1)"
 115         line 411, "pan.___", state 82, "((i<1))"
 116         line 411, "pan.___", state 82, "((i>=1))"
 117         line 418, "pan.___", state 89, "(1)"
 118         line 418, "pan.___", state 90, "(!((cache_dirty_generation_ptr.bitfield&(1<<( ((_pid<2)) -> (0) : (1) )))))"
 119         line 418, "pan.___", state 90, "else"
 120         line 418, "pan.___", state 93, "(1)"
 121         line 418, "pan.___", state 94, "(1)"
 122         line 418, "pan.___", state 94, "(1)"
 123         line 420, "pan.___", state 97, "(1)"
 124         line 420, "pan.___", state 97, "(1)"
 125         line 369, "pan.___", state 99, "(1)"
 126         line 639, "pan.___", state 103, "cached_generation_ptr.val[( ((_pid<2)) ? (0) : (1) )] = (old_gen+1)"
 127         line 637, "pan.___", state 104, "old_gen = cached_generation_ptr.val[( ((_pid<2)) ? (0) : (1) )]"
 128         line 399, "pan.___", state 108, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 129         line 399, "pan.___", state 114, "(1)"
 130         line 403, "pan.___", state 122, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 131         line 403, "pan.___", state 128, "(1)"
 132         line 403, "pan.___", state 129, "(1)"
 133         line 403, "pan.___", state 129, "(1)"
 134         line 401, "pan.___", state 134, "((i<1))"
 135         line 401, "pan.___", state 134, "((i>=1))"
 136         line 409, "pan.___", state 153, "(1)"
 137         line 409, "pan.___", state 154, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<( ((_pid<2)) -> (0) : (1) )))))"
 138         line 409, "pan.___", state 154, "else"
 139         line 409, "pan.___", state 157, "(1)"
 140         line 409, "pan.___", state 158, "(1)"
 141         line 409, "pan.___", state 158, "(1)"
 142         line 413, "pan.___", state 166, "(1)"
 143         line 413, "pan.___", state 167, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<( ((_pid<2)) -> (0) : (1) )))))"
 144         line 413, "pan.___", state 167, "else"
 145         line 413, "pan.___", state 170, "(1)"
 146         line 413, "pan.___", state 171, "(1)"
 147         line 413, "pan.___", state 171, "(1)"
 148         line 411, "pan.___", state 176, "((i<1))"
 149         line 411, "pan.___", state 176, "((i>=1))"
 150         line 418, "pan.___", state 183, "(1)"
 151         line 418, "pan.___", state 184, "(!((cache_dirty_generation_ptr.bitfield&(1<<( ((_pid<2)) -> (0) : (1) )))))"
 152         line 418, "pan.___", state 184, "else"
 153         line 418, "pan.___", state 187, "(1)"
 154         line 418, "pan.___", state 188, "(1)"
 155         line 418, "pan.___", state 188, "(1)"
 156         line 420, "pan.___", state 191, "(1)"
 157         line 420, "pan.___", state 191, "(1)"
 158         line 369, "pan.___", state 193, "(1)"
 159         line 652, "pan.___", state 199, "(1)"
 160         line 646, "pan.___", state 202, "((write_lock==0))"
 161         line 646, "pan.___", state 202, "else"
 162         line 644, "pan.___", state 203, "(1)"
 163         line 160, "pan.___", state 209, "(1)"
 164         line 164, "pan.___", state 217, "(1)"
 165         line 164, "pan.___", state 218, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<( ((_pid<2)) -> (0) : (1) )))))"
 166         line 164, "pan.___", state 218, "else"
 167         line 162, "pan.___", state 223, "((j<1))"
 168         line 162, "pan.___", state 223, "((j>=1))"
 169         line 168, "pan.___", state 229, "(1)"
 170         line 168, "pan.___", state 230, "(!((cache_dirty_generation_ptr.bitfield&(1<<( ((_pid<2)) -> (0) : (1) )))))"
 171         line 168, "pan.___", state 230, "else"
 172         line 160, "pan.___", state 241, "(1)"
 173         line 168, "pan.___", state 261, "(1)"
 174         line 160, "pan.___", state 277, "(1)"
 175         line 164, "pan.___", state 285, "(1)"
 176         line 168, "pan.___", state 297, "(1)"
 177         line 399, "pan.___", state 311, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 178         line 403, "pan.___", state 325, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 179         line 408, "pan.___", state 343, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 180         line 409, "pan.___", state 356, "(1)"
 181         line 413, "pan.___", state 369, "(1)"
 182         line 418, "pan.___", state 386, "(1)"
 183         line 399, "pan.___", state 405, "(1)"
 184         line 403, "pan.___", state 417, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 185         line 408, "pan.___", state 435, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 186         line 413, "pan.___", state 461, "(1)"
 187         line 418, "pan.___", state 478, "(1)"
 188         line 403, "pan.___", state 510, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 189         line 408, "pan.___", state 528, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 190         line 413, "pan.___", state 554, "(1)"
 191         line 418, "pan.___", state 571, "(1)"
 192         line 164, "pan.___", state 594, "(1)"
 193         line 168, "pan.___", state 606, "(1)"
 194         line 160, "pan.___", state 618, "(1)"
 195         line 168, "pan.___", state 638, "(1)"
 196         line 164, "pan.___", state 662, "(1)"
 197         line 168, "pan.___", state 674, "(1)"
 198         line 399, "pan.___", state 696, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 199         line 399, "pan.___", state 698, "(1)"
 200         line 399, "pan.___", state 699, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<( ((_pid<2)) -> (0) : (1) ))))"
 201         line 399, "pan.___", state 699, "else"
 202         line 399, "pan.___", state 702, "(1)"
 203         line 403, "pan.___", state 710, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 204         line 403, "pan.___", state 712, "(1)"
 205         line 403, "pan.___", state 713, "((cache_dirty_urcu_active_readers.bitfield&(1<<( ((_pid<2)) -> (0) : (1) ))))"
 206         line 403, "pan.___", state 713, "else"
 207         line 403, "pan.___", state 716, "(1)"
 208         line 403, "pan.___", state 717, "(1)"
 209         line 403, "pan.___", state 717, "(1)"
 210         line 401, "pan.___", state 722, "((i<1))"
 211         line 401, "pan.___", state 722, "((i>=1))"
 212         line 408, "pan.___", state 728, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 213         line 409, "pan.___", state 741, "(1)"
 214         line 409, "pan.___", state 742, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<( ((_pid<2)) -> (0) : (1) )))))"
 215         line 409, "pan.___", state 742, "else"
 216         line 409, "pan.___", state 745, "(1)"
 217         line 409, "pan.___", state 746, "(1)"
 218         line 409, "pan.___", state 746, "(1)"
 219         line 413, "pan.___", state 754, "(1)"
 220         line 413, "pan.___", state 755, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<( ((_pid<2)) -> (0) : (1) )))))"
 221         line 413, "pan.___", state 755, "else"
 222         line 413, "pan.___", state 758, "(1)"
 223         line 413, "pan.___", state 759, "(1)"
 224         line 413, "pan.___", state 759, "(1)"
 225         line 411, "pan.___", state 764, "((i<1))"
 226         line 411, "pan.___", state 764, "((i>=1))"
 227         line 418, "pan.___", state 771, "(1)"
 228         line 418, "pan.___", state 772, "(!((cache_dirty_generation_ptr.bitfield&(1<<( ((_pid<2)) -> (0) : (1) )))))"
 229         line 418, "pan.___", state 772, "else"
 230         line 418, "pan.___", state 775, "(1)"
 231         line 418, "pan.___", state 776, "(1)"
 232         line 418, "pan.___", state 776, "(1)"
 233         line 420, "pan.___", state 779, "(1)"
 234         line 420, "pan.___", state 779, "(1)"
 235         line 403, "pan.___", state 810, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 236         line 408, "pan.___", state 828, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 237         line 413, "pan.___", state 854, "(1)"
 238         line 418, "pan.___", state 871, "(1)"
 239         line 403, "pan.___", state 900, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 240         line 408, "pan.___", state 918, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 241         line 413, "pan.___", state 944, "(1)"
 242         line 418, "pan.___", state 961, "(1)"
 243         line 399, "pan.___", state 980, "(1)"
 244         line 403, "pan.___", state 992, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 245         line 408, "pan.___", state 1010, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 246         line 413, "pan.___", state 1036, "(1)"
 247         line 418, "pan.___", state 1053, "(1)"
 248         line 403, "pan.___", state 1085, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 249         line 408, "pan.___", state 1103, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 250         line 413, "pan.___", state 1129, "(1)"
 251         line 418, "pan.___", state 1146, "(1)"
 252         line 164, "pan.___", state 1169, "(1)"
 253         line 168, "pan.___", state 1181, "(1)"
 254         line 160, "pan.___", state 1193, "(1)"
 255         line 168, "pan.___", state 1213, "(1)"
 256         line 164, "pan.___", state 1237, "(1)"
 257         line 168, "pan.___", state 1249, "(1)"
 258         line 399, "pan.___", state 1271, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 259         line 399, "pan.___", state 1273, "(1)"
 260         line 399, "pan.___", state 1274, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<( ((_pid<2)) -> (0) : (1) ))))"
 261         line 399, "pan.___", state 1274, "else"
 262         line 399, "pan.___", state 1277, "(1)"
 263         line 403, "pan.___", state 1285, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 264         line 403, "pan.___", state 1287, "(1)"
 265         line 403, "pan.___", state 1288, "((cache_dirty_urcu_active_readers.bitfield&(1<<( ((_pid<2)) -> (0) : (1) ))))"
 266         line 403, "pan.___", state 1288, "else"
 267         line 403, "pan.___", state 1291, "(1)"
 268         line 403, "pan.___", state 1292, "(1)"
 269         line 403, "pan.___", state 1292, "(1)"
 270         line 401, "pan.___", state 1297, "((i<1))"
 271         line 401, "pan.___", state 1297, "((i>=1))"
 272         line 408, "pan.___", state 1303, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 273         line 409, "pan.___", state 1316, "(1)"
 274         line 409, "pan.___", state 1317, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<( ((_pid<2)) -> (0) : (1) )))))"
 275         line 409, "pan.___", state 1317, "else"
 276         line 409, "pan.___", state 1320, "(1)"
 277         line 409, "pan.___", state 1321, "(1)"
 278         line 409, "pan.___", state 1321, "(1)"
 279         line 413, "pan.___", state 1329, "(1)"
 280         line 413, "pan.___", state 1330, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<( ((_pid<2)) -> (0) : (1) )))))"
 281         line 413, "pan.___", state 1330, "else"
 282         line 413, "pan.___", state 1333, "(1)"
 283         line 413, "pan.___", state 1334, "(1)"
 284         line 413, "pan.___", state 1334, "(1)"
 285         line 411, "pan.___", state 1339, "((i<1))"
 286         line 411, "pan.___", state 1339, "((i>=1))"
 287         line 418, "pan.___", state 1346, "(1)"
 288         line 418, "pan.___", state 1347, "(!((cache_dirty_generation_ptr.bitfield&(1<<( ((_pid<2)) -> (0) : (1) )))))"
 289         line 418, "pan.___", state 1347, "else"
 290         line 418, "pan.___", state 1350, "(1)"
 291         line 418, "pan.___", state 1351, "(1)"
 292         line 418, "pan.___", state 1351, "(1)"
 293         line 420, "pan.___", state 1354, "(1)"
 294         line 420, "pan.___", state 1354, "(1)"
 295         line 164, "pan.___", state 1379, "(1)"
 296         line 168, "pan.___", state 1391, "(1)"
 297         line 160, "pan.___", state 1403, "(1)"
 298         line 168, "pan.___", state 1423, "(1)"
 299         line 164, "pan.___", state 1447, "(1)"
 300         line 168, "pan.___", state 1459, "(1)"
 301         line 702, "pan.___", state 1484, "-end-"
 302         (160 of 1484 states)
 303 unreached in proctype :init:
 304         line 709, "pan.___", state 9, "((j<2))"
 305         line 709, "pan.___", state 9, "((j>=2))"
 306         line 710, "pan.___", state 20, "((j<2))"
 307         line 710, "pan.___", state 20, "((j>=2))"
 308         line 715, "pan.___", state 33, "((j<2))"
 309         line 715, "pan.___", state 33, "((j>=2))"
 310         (3 of 46 states)
 311 unreached in proctype :never:
 312         line 749, "pan.___", state 8, "-end-"
 313         (1 of 8 states)
 314
 315 pan: elapsed time 37.6 seconds
 316 pan: rate 110515.35 states/second
 317 pan: avg transition delay 8.793e-07 usec
 318 cp .input.spin urcu_free_no_wmb.spin.input
 319 cp .input.spin.trail urcu_free_no_wmb.spin.input.trail
 320 make[1]: Leaving directory `/home/compudj/doc/userspace-rcu/formal-model/urcu'