formal-model/urcu/result-signal-over-reader/urcu_free_no_mb.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_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 Depth=    6009 States=    1e+06 Transitions= 1.08e+07 Memory=   534.904 t=   9.22 R=   1e+05
  20 Depth=    6009 States=    2e+06 Transitions=  3.4e+07 Memory=   603.557 t=   31.1 R=   6e+04
  21 Depth=    7527 States=    3e+06 Transitions= 4.91e+07 Memory=   672.209 t=   45.6 R=   7e+04
  22 pan: resizing hashtable to -w22..  done
  23 Depth=   68651 States=    4e+06 Transitions= 6.74e+07 Memory=   772.080 t=   62.9 R=   6e+04
  24 Depth=   68651 States=    5e+06 Transitions= 8.62e+07 Memory=   840.733 t=   80.2 R=   6e+04
  25 Depth=   68651 States=    6e+06 Transitions= 1.03e+08 Memory=   909.385 t=   95.7 R=   6e+04
  26 Depth=   68651 States=    7e+06 Transitions= 1.21e+08 Memory=   978.037 t=    112 R=   6e+04
  27 Depth=   68651 States=    8e+06 Transitions= 1.37e+08 Memory=  1046.690 t=    128 R=   6e+04
  28 Depth=   68651 States=    9e+06 Transitions= 1.52e+08 Memory=  1115.440 t=    143 R=   6e+04
  29 pan: resizing hashtable to -w24..  done
  30 Depth=   68651 States=    1e+07 Transitions= 1.72e+08 Memory=  1308.186 t=    163 R=   6e+04
  31 Depth=   68651 States=  1.1e+07 Transitions= 1.89e+08 Memory=  1376.838 t=    178 R=   6e+04
  32 Depth=   68651 States=  1.2e+07 Transitions= 2.05e+08 Memory=  1445.490 t=    193 R=   6e+04
  33 Depth=   68651 States=  1.3e+07 Transitions= 2.22e+08 Memory=  1514.143 t=    208 R=   6e+04
  34 Depth=   68651 States=  1.4e+07 Transitions= 2.39e+08 Memory=  1582.893 t=    224 R=   6e+04
  35 pan: claim violated! (at depth 2141)
  36 pan: wrote .input.spin.trail
  37
  38 (Spin Version 5.1.7 -- 23 December 2008)
  39 Warning: Search not completed
  40         + Partial Order Reduction
  41
  42 Full statespace search for:
  43         never claim             +
  44         assertion violations    + (if within scope of claim)
  45         acceptance   cycles     + (fairness disabled)
  46         invalid end states      - (disabled by never claim)
  47
  48 State-vector 88 byte, depth reached 68651, errors: 1
  49  14155711 states, stored
  50 2.2815817e+08 states, matched
  51 2.4231388e+08 transitions (= stored+matched)
  52 8.5461256e+08 atomic steps
  53 hash conflicts: 1.1483359e+08 (resolved)
  54
  55 Stats on memory usage (in Megabytes):
  56  1565.993       equivalent memory usage for states (stored*(State-vector + overhead))
  57  1008.042       actual memory usage for states (compression: 64.37%)
  58                 state-vector as stored = 47 byte + 28 byte overhead
  59   128.000       memory used for hash table (-w24)
  60   457.764       memory used for DFS stack (-m10000000)
  61  1593.537       total actual memory usage
  62
  63 unreached in proctype urcu_reader
  64         line 400, "pan.___", state 16, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
  65         line 409, "pan.___", state 48, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
  66         line 410, "pan.___", state 61, "(1)"
  67         line 419, "pan.___", state 91, "(1)"
  68         line 400, "pan.___", state 113, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
  69         line 409, "pan.___", state 145, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
  70         line 410, "pan.___", state 158, "(1)"
  71         line 419, "pan.___", state 188, "(1)"
  72         line 400, "pan.___", state 211, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
  73         line 404, "pan.___", state 227, "(1)"
  74         line 409, "pan.___", state 243, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
  75         line 410, "pan.___", state 256, "(1)"
  76         line 419, "pan.___", state 286, "(1)"
  77         line 400, "pan.___", state 350, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
  78         line 404, "pan.___", state 366, "(1)"
  79         line 409, "pan.___", state 382, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
  80         line 410, "pan.___", state 395, "(1)"
  81         line 419, "pan.___", state 425, "(1)"
  82         line 541, "pan.___", state 456, "-end-"
  83         (19 of 456 states)
  84 unreached in proctype urcu_reader_sig
  85         line 400, "pan.___", state 25, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
  86         line 409, "pan.___", state 57, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
  87         line 410, "pan.___", state 70, "(1)"
  88         line 419, "pan.___", state 100, "(1)"
  89         line 400, "pan.___", state 113, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
  90         line 409, "pan.___", state 145, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
  91         line 410, "pan.___", state 158, "(1)"
  92         line 419, "pan.___", state 188, "(1)"
  93         line 400, "pan.___", state 202, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
  94         line 409, "pan.___", state 234, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
  95         line 410, "pan.___", state 247, "(1)"
  96         line 419, "pan.___", state 277, "(1)"
  97         line 400, "pan.___", state 314, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
  98         line 404, "pan.___", state 330, "(1)"
  99         line 409, "pan.___", state 346, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 100         line 410, "pan.___", state 359, "(1)"
 101         line 419, "pan.___", state 389, "(1)"
 102         line 615, "pan.___", state 411, "-end-"
 103         (18 of 411 states)
 104 unreached in proctype urcu_writer
 105         line 400, "pan.___", state 14, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 106         line 400, "pan.___", state 20, "(1)"
 107         line 404, "pan.___", state 28, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 108         line 404, "pan.___", state 34, "(1)"
 109         line 404, "pan.___", state 35, "(1)"
 110         line 404, "pan.___", state 35, "(1)"
 111         line 402, "pan.___", state 40, "((i<1))"
 112         line 402, "pan.___", state 40, "((i>=1))"
 113         line 409, "pan.___", state 46, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 114         line 410, "pan.___", state 59, "(1)"
 115         line 410, "pan.___", state 60, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<( ((_pid<2)) -> (0) : (1) )))))"
 116         line 410, "pan.___", state 60, "else"
 117         line 410, "pan.___", state 63, "(1)"
 118         line 410, "pan.___", state 64, "(1)"
 119         line 410, "pan.___", state 64, "(1)"
 120         line 414, "pan.___", state 72, "(1)"
 121         line 414, "pan.___", state 73, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<( ((_pid<2)) -> (0) : (1) )))))"
 122         line 414, "pan.___", state 73, "else"
 123         line 414, "pan.___", state 76, "(1)"
 124         line 414, "pan.___", state 77, "(1)"
 125         line 414, "pan.___", state 77, "(1)"
 126         line 412, "pan.___", state 82, "((i<1))"
 127         line 412, "pan.___", state 82, "((i>=1))"
 128         line 419, "pan.___", state 89, "(1)"
 129         line 419, "pan.___", state 90, "(!((cache_dirty_generation_ptr.bitfield&(1<<( ((_pid<2)) -> (0) : (1) )))))"
 130         line 419, "pan.___", state 90, "else"
 131         line 419, "pan.___", state 93, "(1)"
 132         line 419, "pan.___", state 94, "(1)"
 133         line 419, "pan.___", state 94, "(1)"
 134         line 421, "pan.___", state 97, "(1)"
 135         line 421, "pan.___", state 97, "(1)"
 136         line 370, "pan.___", state 99, "(1)"
 137         line 640, "pan.___", state 103, "cached_generation_ptr.val[( ((_pid<2)) ? (0) : (1) )] = (old_gen+1)"
 138         line 638, "pan.___", state 104, "old_gen = cached_generation_ptr.val[( ((_pid<2)) ? (0) : (1) )]"
 139         line 400, "pan.___", state 108, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 140         line 400, "pan.___", state 114, "(1)"
 141         line 404, "pan.___", state 122, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 142         line 404, "pan.___", state 128, "(1)"
 143         line 404, "pan.___", state 129, "(1)"
 144         line 404, "pan.___", state 129, "(1)"
 145         line 410, "pan.___", state 153, "(1)"
 146         line 414, "pan.___", state 166, "(1)"
 147         line 421, "pan.___", state 191, "(1)"
 148         line 421, "pan.___", state 191, "(1)"
 149         line 653, "pan.___", state 199, "(1)"
 150         line 400, "pan.___", state 209, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 151         line 404, "pan.___", state 223, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 152         line 410, "pan.___", state 254, "(1)"
 153         line 414, "pan.___", state 267, "(1)"
 154         line 400, "pan.___", state 300, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 155         line 404, "pan.___", state 314, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 156         line 410, "pan.___", state 345, "(1)"
 157         line 414, "pan.___", state 358, "(1)"
 158         line 400, "pan.___", state 395, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 159         line 404, "pan.___", state 409, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 160         line 410, "pan.___", state 440, "(1)"
 161         line 414, "pan.___", state 453, "(1)"
 162         line 400, "pan.___", state 488, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 163         line 404, "pan.___", state 502, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 164         line 410, "pan.___", state 533, "(1)"
 165         line 414, "pan.___", state 546, "(1)"
 166         line 400, "pan.___", state 582, "(1)"
 167         line 404, "pan.___", state 594, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 168         line 414, "pan.___", state 638, "(1)"
 169         line 404, "pan.___", state 687, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 170         line 414, "pan.___", state 731, "(1)"
 171         line 404, "pan.___", state 777, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 172         line 409, "pan.___", state 795, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 173         line 414, "pan.___", state 821, "(1)"
 174         line 419, "pan.___", state 838, "(1)"
 175         line 404, "pan.___", state 868, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 176         line 409, "pan.___", state 886, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 177         line 414, "pan.___", state 912, "(1)"
 178         line 419, "pan.___", state 929, "(1)"
 179         line 404, "pan.___", state 963, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 180         line 409, "pan.___", state 981, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 181         line 414, "pan.___", state 1007, "(1)"
 182         line 419, "pan.___", state 1024, "(1)"
 183         line 400, "pan.___", state 1050, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 184         line 400, "pan.___", state 1052, "(1)"
 185         line 400, "pan.___", state 1053, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<( ((_pid<2)) -> (0) : (1) ))))"
 186         line 400, "pan.___", state 1053, "else"
 187         line 400, "pan.___", state 1056, "(1)"
 188         line 404, "pan.___", state 1064, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 189         line 404, "pan.___", state 1066, "(1)"
 190         line 404, "pan.___", state 1067, "((cache_dirty_urcu_active_readers.bitfield&(1<<( ((_pid<2)) -> (0) : (1) ))))"
 191         line 404, "pan.___", state 1067, "else"
 192         line 404, "pan.___", state 1070, "(1)"
 193         line 404, "pan.___", state 1071, "(1)"
 194         line 404, "pan.___", state 1071, "(1)"
 195         line 402, "pan.___", state 1076, "((i<1))"
 196         line 402, "pan.___", state 1076, "((i>=1))"
 197         line 409, "pan.___", state 1082, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 198         line 410, "pan.___", state 1095, "(1)"
 199         line 410, "pan.___", state 1096, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<( ((_pid<2)) -> (0) : (1) )))))"
 200         line 410, "pan.___", state 1096, "else"
 201         line 410, "pan.___", state 1099, "(1)"
 202         line 410, "pan.___", state 1100, "(1)"
 203         line 410, "pan.___", state 1100, "(1)"
 204         line 414, "pan.___", state 1108, "(1)"
 205         line 414, "pan.___", state 1109, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<( ((_pid<2)) -> (0) : (1) )))))"
 206         line 414, "pan.___", state 1109, "else"
 207         line 414, "pan.___", state 1112, "(1)"
 208         line 414, "pan.___", state 1113, "(1)"
 209         line 414, "pan.___", state 1113, "(1)"
 210         line 412, "pan.___", state 1118, "((i<1))"
 211         line 412, "pan.___", state 1118, "((i>=1))"
 212         line 419, "pan.___", state 1125, "(1)"
 213         line 419, "pan.___", state 1126, "(!((cache_dirty_generation_ptr.bitfield&(1<<( ((_pid<2)) -> (0) : (1) )))))"
 214         line 419, "pan.___", state 1126, "else"
 215         line 419, "pan.___", state 1129, "(1)"
 216         line 419, "pan.___", state 1130, "(1)"
 217         line 419, "pan.___", state 1130, "(1)"
 218         line 421, "pan.___", state 1133, "(1)"
 219         line 421, "pan.___", state 1133, "(1)"
 220         line 404, "pan.___", state 1164, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 221         line 414, "pan.___", state 1208, "(1)"
 222         line 404, "pan.___", state 1254, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 223         line 414, "pan.___", state 1298, "(1)"
 224         line 400, "pan.___", state 1334, "(1)"
 225         line 404, "pan.___", state 1346, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 226         line 414, "pan.___", state 1390, "(1)"
 227         line 404, "pan.___", state 1439, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 228         line 414, "pan.___", state 1483, "(1)"
 229         line 404, "pan.___", state 1529, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 230         line 409, "pan.___", state 1547, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 231         line 414, "pan.___", state 1573, "(1)"
 232         line 419, "pan.___", state 1590, "(1)"
 233         line 404, "pan.___", state 1620, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 234         line 409, "pan.___", state 1638, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 235         line 414, "pan.___", state 1664, "(1)"
 236         line 419, "pan.___", state 1681, "(1)"
 237         line 404, "pan.___", state 1715, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 238         line 409, "pan.___", state 1733, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 239         line 414, "pan.___", state 1759, "(1)"
 240         line 419, "pan.___", state 1776, "(1)"
 241         line 400, "pan.___", state 1802, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 242         line 400, "pan.___", state 1804, "(1)"
 243         line 400, "pan.___", state 1805, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<( ((_pid<2)) -> (0) : (1) ))))"
 244         line 400, "pan.___", state 1805, "else"
 245         line 400, "pan.___", state 1808, "(1)"
 246         line 404, "pan.___", state 1816, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 247         line 404, "pan.___", state 1818, "(1)"
 248         line 404, "pan.___", state 1819, "((cache_dirty_urcu_active_readers.bitfield&(1<<( ((_pid<2)) -> (0) : (1) ))))"
 249         line 404, "pan.___", state 1819, "else"
 250         line 404, "pan.___", state 1822, "(1)"
 251         line 404, "pan.___", state 1823, "(1)"
 252         line 404, "pan.___", state 1823, "(1)"
 253         line 402, "pan.___", state 1828, "((i<1))"
 254         line 402, "pan.___", state 1828, "((i>=1))"
 255         line 409, "pan.___", state 1834, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 256         line 410, "pan.___", state 1847, "(1)"
 257         line 410, "pan.___", state 1848, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<( ((_pid<2)) -> (0) : (1) )))))"
 258         line 410, "pan.___", state 1848, "else"
 259         line 410, "pan.___", state 1851, "(1)"
 260         line 410, "pan.___", state 1852, "(1)"
 261         line 410, "pan.___", state 1852, "(1)"
 262         line 414, "pan.___", state 1860, "(1)"
 263         line 414, "pan.___", state 1861, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<( ((_pid<2)) -> (0) : (1) )))))"
 264         line 414, "pan.___", state 1861, "else"
 265         line 414, "pan.___", state 1864, "(1)"
 266         line 414, "pan.___", state 1865, "(1)"
 267         line 414, "pan.___", state 1865, "(1)"
 268         line 412, "pan.___", state 1870, "((i<1))"
 269         line 412, "pan.___", state 1870, "((i>=1))"
 270         line 419, "pan.___", state 1877, "(1)"
 271         line 419, "pan.___", state 1878, "(!((cache_dirty_generation_ptr.bitfield&(1<<( ((_pid<2)) -> (0) : (1) )))))"
 272         line 419, "pan.___", state 1878, "else"
 273         line 419, "pan.___", state 1881, "(1)"
 274         line 419, "pan.___", state 1882, "(1)"
 275         line 419, "pan.___", state 1882, "(1)"
 276         line 421, "pan.___", state 1885, "(1)"
 277         line 421, "pan.___", state 1885, "(1)"
 278         line 404, "pan.___", state 1916, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 279         line 414, "pan.___", state 1960, "(1)"
 280         line 404, "pan.___", state 2007, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 281         line 414, "pan.___", state 2051, "(1)"
 282         line 404, "pan.___", state 2102, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 283         line 414, "pan.___", state 2146, "(1)"
 284         line 703, "pan.___", state 2192, "-end-"
 285         (144 of 2192 states)
 286 unreached in proctype :init:
 287         line 710, "pan.___", state 9, "((j<2))"
 288         line 710, "pan.___", state 9, "((j>=2))"
 289         line 711, "pan.___", state 20, "((j<2))"
 290         line 711, "pan.___", state 20, "((j>=2))"
 291         line 716, "pan.___", state 33, "((j<2))"
 292         line 716, "pan.___", state 33, "((j>=2))"
 293         (3 of 46 states)
 294 unreached in proctype :never:
 295         line 750, "pan.___", state 8, "-end-"
 296         (1 of 8 states)
 297
 298 pan: elapsed time 227 seconds
 299 pan: rate 62472.797 states/second
 300 pan: avg transition delay 9.3511e-07 usec
 301 cp .input.spin urcu_free_no_mb.spin.input
 302 cp .input.spin.trail urcu_free_no_mb.spin.input.trail
 303 make[1]: Leaving directory `/home/compudj/doc/userspace-rcu/formal-model/urcu'