formal-model/urcu-nosched-model/result-standard-execution-nest/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 pan: claim violated! (at depth 1371)
  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 3387, errors: 1
  33    206295 states, stored
  34   1902753 states, matched
  35   2109048 transitions (= stored+matched)
  36   7663223 atomic steps
  37 hash conflicts:    101109 (resolved)
  38
  39 Stats on memory usage (in Megabytes):
  40    16.526       equivalent memory usage for states (stored*(State-vector + overhead))
  41    13.080       actual memory usage for states (compression: 79.15%)
  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   478.752       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 403, "pan.___", state 28, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
  69         line 408, "pan.___", state 46, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
  70         line 409, "pan.___", state 59, "(1)"
  71         line 413, "pan.___", state 72, "(1)"
  72         line 418, "pan.___", state 89, "(1)"
  73         line 399, "pan.___", state 108, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
  74         line 403, "pan.___", state 122, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
  75         line 409, "pan.___", state 153, "(1)"
  76         line 413, "pan.___", state 166, "(1)"
  77         line 652, "pan.___", state 199, "(1)"
  78         line 175, "pan.___", state 208, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
  79         line 179, "pan.___", state 217, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
  80         line 160, "pan.___", state 240, "(1)"
  81         line 164, "pan.___", state 248, "(1)"
  82         line 168, "pan.___", state 260, "(1)"
  83         line 175, "pan.___", state 271, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<i)))"
  84         line 183, "pan.___", state 293, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<i)))"
  85         line 160, "pan.___", state 303, "(1)"
  86         line 164, "pan.___", state 311, "(1)"
  87         line 168, "pan.___", state 323, "(1)"
  88         line 175, "pan.___", state 338, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
  89         line 179, "pan.___", state 347, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
  90         line 183, "pan.___", state 360, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
  91         line 160, "pan.___", state 370, "(1)"
  92         line 164, "pan.___", state 378, "(1)"
  93         line 168, "pan.___", state 390, "(1)"
  94         line 399, "pan.___", state 404, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
  95         line 403, "pan.___", state 418, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
  96         line 408, "pan.___", state 436, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
  97         line 409, "pan.___", state 449, "(1)"
  98         line 413, "pan.___", state 462, "(1)"
  99         line 418, "pan.___", state 479, "(1)"
 100         line 399, "pan.___", state 498, "(1)"
 101         line 403, "pan.___", state 510, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
 102         line 408, "pan.___", state 528, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
 103         line 413, "pan.___", state 554, "(1)"
 104         line 418, "pan.___", state 571, "(1)"
 105         line 403, "pan.___", state 603, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
 106         line 408, "pan.___", state 621, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
 107         line 413, "pan.___", state 647, "(1)"
 108         line 418, "pan.___", state 664, "(1)"
 109         line 179, "pan.___", state 687, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
 110         line 183, "pan.___", state 700, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
 111         line 160, "pan.___", state 710, "(1)"
 112         line 164, "pan.___", state 718, "(1)"
 113         line 168, "pan.___", state 730, "(1)"
 114         line 175, "pan.___", state 741, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<i)))"
 115         line 183, "pan.___", state 763, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<i)))"
 116         line 160, "pan.___", state 773, "(1)"
 117         line 164, "pan.___", state 781, "(1)"
 118         line 168, "pan.___", state 793, "(1)"
 119         line 175, "pan.___", state 808, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
 120         line 179, "pan.___", state 817, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
 121         line 183, "pan.___", state 830, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
 122         line 160, "pan.___", state 840, "(1)"
 123         line 164, "pan.___", state 848, "(1)"
 124         line 168, "pan.___", state 860, "(1)"
 125         line 399, "pan.___", state 882, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
 126         line 399, "pan.___", state 884, "(1)"
 127         line 399, "pan.___", state 885, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
 128         line 399, "pan.___", state 885, "else"
 129         line 399, "pan.___", state 888, "(1)"
 130         line 403, "pan.___", state 896, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
 131         line 403, "pan.___", state 898, "(1)"
 132         line 403, "pan.___", state 899, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
 133         line 403, "pan.___", state 899, "else"
 134         line 403, "pan.___", state 902, "(1)"
 135         line 403, "pan.___", state 903, "(1)"
 136         line 403, "pan.___", state 903, "(1)"
 137         line 401, "pan.___", state 908, "((i<1))"
 138         line 401, "pan.___", state 908, "((i>=1))"
 139         line 408, "pan.___", state 914, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
 140         line 409, "pan.___", state 927, "(1)"
 141         line 409, "pan.___", state 928, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
 142         line 409, "pan.___", state 928, "else"
 143         line 409, "pan.___", state 931, "(1)"
 144         line 409, "pan.___", state 932, "(1)"
 145         line 409, "pan.___", state 932, "(1)"
 146         line 413, "pan.___", state 940, "(1)"
 147         line 413, "pan.___", state 941, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
 148         line 413, "pan.___", state 941, "else"
 149         line 413, "pan.___", state 944, "(1)"
 150         line 413, "pan.___", state 945, "(1)"
 151         line 413, "pan.___", state 945, "(1)"
 152         line 411, "pan.___", state 950, "((i<1))"
 153         line 411, "pan.___", state 950, "((i>=1))"
 154         line 418, "pan.___", state 957, "(1)"
 155         line 418, "pan.___", state 958, "(!((cache_dirty_generation_ptr.bitfield&(1<<_pid))))"
 156         line 418, "pan.___", state 958, "else"
 157         line 418, "pan.___", state 961, "(1)"
 158         line 418, "pan.___", state 962, "(1)"
 159         line 418, "pan.___", state 962, "(1)"
 160         line 420, "pan.___", state 965, "(1)"
 161         line 420, "pan.___", state 965, "(1)"
 162         line 179, "pan.___", state 990, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
 163         line 183, "pan.___", state 1003, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
 164         line 160, "pan.___", state 1013, "(1)"
 165         line 164, "pan.___", state 1021, "(1)"
 166         line 168, "pan.___", state 1033, "(1)"
 167         line 175, "pan.___", state 1044, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<i)))"
 168         line 183, "pan.___", state 1066, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<i)))"
 169         line 160, "pan.___", state 1076, "(1)"
 170         line 164, "pan.___", state 1084, "(1)"
 171         line 168, "pan.___", state 1096, "(1)"
 172         line 175, "pan.___", state 1111, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
 173         line 179, "pan.___", state 1120, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
 174         line 183, "pan.___", state 1133, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
 175         line 160, "pan.___", state 1143, "(1)"
 176         line 164, "pan.___", state 1151, "(1)"
 177         line 168, "pan.___", state 1163, "(1)"
 178         line 702, "pan.___", state 1188, "-end-"
 179         (100 of 1188 states)
 180 unreached in proctype :init:
 181         line 709, "pan.___", state 9, "((j<2))"
 182         line 709, "pan.___", state 9, "((j>=2))"
 183         line 710, "pan.___", state 20, "((j<2))"
 184         line 710, "pan.___", state 20, "((j>=2))"
 185         line 715, "pan.___", state 33, "((j<2))"
 186         line 715, "pan.___", state 33, "((j>=2))"
 187         (3 of 46 states)
 188 unreached in proctype :never:
 189         line 749, "pan.___", state 8, "-end-"
 190         (1 of 8 states)
 191
 192 pan: elapsed time 1.66 seconds
 193 pan: rate  124274.1 states/second
 194 pan: avg transition delay 7.8708e-07 usec
 195 cp .input.spin urcu_free_single_flip.spin.input
 196 cp .input.spin.trail urcu_free_single_flip.spin.input.trail
 197 make[1]: Leaving directory `/home/compudj/doc/userspace-rcu/formal-model/urcu'