formal-model/urcu/result-signal-over-reader/urcu_free_single_flip.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_single_flip.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=    8352 States=    1e+06 Transitions= 1.05e+07 Memory=   534.807 t=   8.93 R=   1e+05
  20 pan: claim violated! (at depth 1352)
  21 pan: wrote .input.spin.trail
  22
  23 (Spin Version 5.1.7 -- 23 December 2008)
  24 Warning: Search not completed
  25         + Partial Order Reduction
  26
  27 Full statespace search for:
  28         never claim             +
  29         assertion violations    + (if within scope of claim)
  30         acceptance   cycles     + (fairness disabled)
  31         invalid end states      - (disabled by never claim)
  32
  33 State-vector 64 byte, depth reached 8352, errors: 1
  34   1456373 states, stored
  35  13442538 states, matched
  36  14898911 transitions (= stored+matched)
  37  50580660 atomic steps
  38 hash conflicts:   5166006 (resolved)
  39
  40 Stats on memory usage (in Megabytes):
  41   127.779       equivalent memory usage for states (stored*(State-vector + overhead))
  42   100.443       actual memory usage for states (compression: 78.61%)
  43                 state-vector as stored = 44 byte + 28 byte overhead
  44     8.000       memory used for hash table (-w20)
  45   457.764       memory used for DFS stack (-m10000000)
  46   566.154       total actual memory usage
  47
  48 unreached in proctype urcu_reader
  49         line 399, "pan.___", state 16, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
  50         line 408, "pan.___", state 48, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
  51         line 409, "pan.___", state 61, "(1)"
  52         line 418, "pan.___", state 91, "(1)"
  53         line 399, "pan.___", state 113, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
  54         line 408, "pan.___", state 145, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
  55         line 409, "pan.___", state 158, "(1)"
  56         line 418, "pan.___", state 188, "(1)"
  57         line 399, "pan.___", state 211, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
  58         line 408, "pan.___", state 243, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
  59         line 409, "pan.___", state 256, "(1)"
  60         line 418, "pan.___", state 286, "(1)"
  61         line 399, "pan.___", state 350, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
  62         line 408, "pan.___", state 382, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
  63         line 409, "pan.___", state 395, "(1)"
  64         line 418, "pan.___", state 425, "(1)"
  65         line 540, "pan.___", state 456, "-end-"
  66         (17 of 456 states)
  67 unreached in proctype urcu_reader_sig
  68         line 399, "pan.___", state 25, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
  69         line 408, "pan.___", state 57, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
  70         line 409, "pan.___", state 70, "(1)"
  71         line 418, "pan.___", state 100, "(1)"
  72         line 399, "pan.___", state 113, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
  73         line 408, "pan.___", state 145, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
  74         line 409, "pan.___", state 158, "(1)"
  75         line 418, "pan.___", state 188, "(1)"
  76         line 399, "pan.___", state 202, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
  77         line 408, "pan.___", state 234, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
  78         line 409, "pan.___", state 247, "(1)"
  79         line 418, "pan.___", state 277, "(1)"
  80         line 399, "pan.___", state 314, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
  81         line 408, "pan.___", state 346, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
  82         line 409, "pan.___", state 359, "(1)"
  83         line 418, "pan.___", state 389, "(1)"
  84         line 614, "pan.___", state 411, "-end-"
  85         (17 of 411 states)
  86 unreached in proctype urcu_writer
  87         line 399, "pan.___", state 14, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
  88         line 403, "pan.___", state 28, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
  89         line 408, "pan.___", state 46, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
  90         line 409, "pan.___", state 59, "(1)"
  91         line 413, "pan.___", state 72, "(1)"
  92         line 418, "pan.___", state 89, "(1)"
  93         line 399, "pan.___", state 108, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
  94         line 403, "pan.___", state 122, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
  95         line 409, "pan.___", state 153, "(1)"
  96         line 413, "pan.___", state 166, "(1)"
  97         line 652, "pan.___", state 199, "(1)"
  98         line 175, "pan.___", state 208, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
  99         line 179, "pan.___", state 217, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 100         line 160, "pan.___", state 240, "(1)"
 101         line 164, "pan.___", state 248, "(1)"
 102         line 168, "pan.___", state 260, "(1)"
 103         line 175, "pan.___", state 271, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<i)))"
 104         line 183, "pan.___", state 293, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<i)))"
 105         line 160, "pan.___", state 303, "(1)"
 106         line 164, "pan.___", state 311, "(1)"
 107         line 168, "pan.___", state 323, "(1)"
 108         line 175, "pan.___", state 338, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 109         line 179, "pan.___", state 347, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 110         line 183, "pan.___", state 360, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 111         line 160, "pan.___", state 370, "(1)"
 112         line 164, "pan.___", state 378, "(1)"
 113         line 168, "pan.___", state 390, "(1)"
 114         line 399, "pan.___", state 404, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 115         line 403, "pan.___", state 418, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 116         line 408, "pan.___", state 436, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 117         line 409, "pan.___", state 449, "(1)"
 118         line 413, "pan.___", state 462, "(1)"
 119         line 418, "pan.___", state 479, "(1)"
 120         line 399, "pan.___", state 498, "(1)"
 121         line 403, "pan.___", state 510, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 122         line 408, "pan.___", state 528, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 123         line 413, "pan.___", state 554, "(1)"
 124         line 418, "pan.___", state 571, "(1)"
 125         line 403, "pan.___", state 603, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 126         line 408, "pan.___", state 621, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 127         line 413, "pan.___", state 647, "(1)"
 128         line 418, "pan.___", state 664, "(1)"
 129         line 179, "pan.___", state 687, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 130         line 183, "pan.___", state 700, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 131         line 160, "pan.___", state 710, "(1)"
 132         line 164, "pan.___", state 718, "(1)"
 133         line 168, "pan.___", state 730, "(1)"
 134         line 175, "pan.___", state 741, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<i)))"
 135         line 183, "pan.___", state 763, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<i)))"
 136         line 160, "pan.___", state 773, "(1)"
 137         line 164, "pan.___", state 781, "(1)"
 138         line 168, "pan.___", state 793, "(1)"
 139         line 175, "pan.___", state 808, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 140         line 179, "pan.___", state 817, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 141         line 183, "pan.___", state 830, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 142         line 160, "pan.___", state 840, "(1)"
 143         line 164, "pan.___", state 848, "(1)"
 144         line 168, "pan.___", state 860, "(1)"
 145         line 399, "pan.___", state 882, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 146         line 399, "pan.___", state 884, "(1)"
 147         line 399, "pan.___", state 885, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<( ((_pid<2)) -> (0) : (1) ))))"
 148         line 399, "pan.___", state 885, "else"
 149         line 399, "pan.___", state 888, "(1)"
 150         line 403, "pan.___", state 896, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 151         line 403, "pan.___", state 898, "(1)"
 152         line 403, "pan.___", state 899, "((cache_dirty_urcu_active_readers.bitfield&(1<<( ((_pid<2)) -> (0) : (1) ))))"
 153         line 403, "pan.___", state 899, "else"
 154         line 403, "pan.___", state 902, "(1)"
 155         line 403, "pan.___", state 903, "(1)"
 156         line 403, "pan.___", state 903, "(1)"
 157         line 401, "pan.___", state 908, "((i<1))"
 158         line 401, "pan.___", state 908, "((i>=1))"
 159         line 408, "pan.___", state 914, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 160         line 409, "pan.___", state 927, "(1)"
 161         line 409, "pan.___", state 928, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<( ((_pid<2)) -> (0) : (1) )))))"
 162         line 409, "pan.___", state 928, "else"
 163         line 409, "pan.___", state 931, "(1)"
 164         line 409, "pan.___", state 932, "(1)"
 165         line 409, "pan.___", state 932, "(1)"
 166         line 413, "pan.___", state 940, "(1)"
 167         line 413, "pan.___", state 941, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<( ((_pid<2)) -> (0) : (1) )))))"
 168         line 413, "pan.___", state 941, "else"
 169         line 413, "pan.___", state 944, "(1)"
 170         line 413, "pan.___", state 945, "(1)"
 171         line 413, "pan.___", state 945, "(1)"
 172         line 411, "pan.___", state 950, "((i<1))"
 173         line 411, "pan.___", state 950, "((i>=1))"
 174         line 418, "pan.___", state 957, "(1)"
 175         line 418, "pan.___", state 958, "(!((cache_dirty_generation_ptr.bitfield&(1<<( ((_pid<2)) -> (0) : (1) )))))"
 176         line 418, "pan.___", state 958, "else"
 177         line 418, "pan.___", state 961, "(1)"
 178         line 418, "pan.___", state 962, "(1)"
 179         line 418, "pan.___", state 962, "(1)"
 180         line 420, "pan.___", state 965, "(1)"
 181         line 420, "pan.___", state 965, "(1)"
 182         line 179, "pan.___", state 990, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 183         line 183, "pan.___", state 1003, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 184         line 160, "pan.___", state 1013, "(1)"
 185         line 164, "pan.___", state 1021, "(1)"
 186         line 168, "pan.___", state 1033, "(1)"
 187         line 175, "pan.___", state 1044, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<i)))"
 188         line 183, "pan.___", state 1066, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<i)))"
 189         line 160, "pan.___", state 1076, "(1)"
 190         line 164, "pan.___", state 1084, "(1)"
 191         line 168, "pan.___", state 1096, "(1)"
 192         line 175, "pan.___", state 1111, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 193         line 179, "pan.___", state 1120, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 194         line 183, "pan.___", state 1133, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))"
 195         line 160, "pan.___", state 1143, "(1)"
 196         line 164, "pan.___", state 1151, "(1)"
 197         line 168, "pan.___", state 1163, "(1)"
 198         line 702, "pan.___", state 1188, "-end-"
 199         (100 of 1188 states)
 200 unreached in proctype :init:
 201         line 709, "pan.___", state 9, "((j<2))"
 202         line 709, "pan.___", state 9, "((j>=2))"
 203         line 710, "pan.___", state 20, "((j<2))"
 204         line 710, "pan.___", state 20, "((j>=2))"
 205         line 715, "pan.___", state 33, "((j<2))"
 206         line 715, "pan.___", state 33, "((j>=2))"
 207         (3 of 46 states)
 208 unreached in proctype :never:
 209         line 749, "pan.___", state 8, "-end-"
 210         (1 of 8 states)
 211
 212 pan: elapsed time 12.8 seconds
 213 pan: rate 113424.69 states/second
 214 pan: avg transition delay 8.6181e-07 usec
 215 cp .input.spin urcu_free_single_flip.spin.input
 216 cp .input.spin.trail urcu_free_single_flip.spin.input.trail
 217 make[1]: Leaving directory `/home/compudj/doc/userspace-rcu/formal-model/urcu'