formal-model/urcu-controldataflow-alpha-ipi-progress-minimal/urcu_free_no_rmb.log

   1 make[1]: Entering directory `/home/compudj/doc/userspace-rcu/formal-model/urcu-controldataflow-min-progress'
   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_rmb.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 -DCOLLAPSE -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 1179)
  19 pan: claim violated! (at depth 1476)
  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         + Compression
  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 80 byte, depth reached 3979, errors: 1
  34    430584 states, stored
  35  99483765 states, matched
  36  99914349 transitions (= stored+matched)
  37 5.7035561e+08 atomic steps
  38 hash conflicts:  13587432 (resolved)
  39
  40 Stats on memory usage (in Megabytes):
  41    47.634       equivalent memory usage for states (stored*(State-vector + overhead))
  42    20.652       actual memory usage for states (compression: 43.36%)
  43                 state-vector as stored = 14 byte + 36 byte overhead
  44     8.000       memory used for hash table (-w20)
  45   457.764       memory used for DFS stack (-m10000000)
  46   486.369       total actual memory usage
  47
  48 nr of templates: [ globals chans procs ]
  49 collapse counts: [ 7914 682 569 2 2 ]
  50 unreached in proctype urcu_reader
  51         line 713, "pan.___", state 12, "((i<1))"
  52         line 713, "pan.___", state 12, "((i>=1))"
  53         line 268, "pan.___", state 55, "cache_dirty_urcu_gp_ctr = 0"
  54         line 276, "pan.___", state 77, "cache_dirty_rcu_ptr = 0"
  55         line 280, "pan.___", state 86, "cache_dirty_rcu_data[i] = 0"
  56         line 245, "pan.___", state 102, "(1)"
  57         line 249, "pan.___", state 110, "(1)"
  58         line 253, "pan.___", state 122, "(1)"
  59         line 257, "pan.___", state 130, "(1)"
  60         line 404, "pan.___", state 156, "cache_dirty_urcu_gp_ctr = 0"
  61         line 413, "pan.___", state 188, "cache_dirty_rcu_ptr = 0"
  62         line 417, "pan.___", state 202, "cache_dirty_rcu_data[i] = 0"
  63         line 422, "pan.___", state 221, "(1)"
  64         line 431, "pan.___", state 251, "(1)"
  65         line 435, "pan.___", state 264, "(1)"
  66         line 614, "pan.___", state 285, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<1))"
  67         line 404, "pan.___", state 292, "cache_dirty_urcu_gp_ctr = 0"
  68         line 413, "pan.___", state 324, "cache_dirty_rcu_ptr = 0"
  69         line 417, "pan.___", state 338, "cache_dirty_rcu_data[i] = 0"
  70         line 422, "pan.___", state 357, "(1)"
  71         line 431, "pan.___", state 387, "(1)"
  72         line 435, "pan.___", state 400, "(1)"
  73         line 404, "pan.___", state 421, "cache_dirty_urcu_gp_ctr = 0"
  74         line 413, "pan.___", state 453, "cache_dirty_rcu_ptr = 0"
  75         line 417, "pan.___", state 467, "cache_dirty_rcu_data[i] = 0"
  76         line 422, "pan.___", state 486, "(1)"
  77         line 431, "pan.___", state 516, "(1)"
  78         line 435, "pan.___", state 529, "(1)"
  79         line 404, "pan.___", state 552, "cache_dirty_urcu_gp_ctr = 0"
  80         line 404, "pan.___", state 554, "(1)"
  81         line 404, "pan.___", state 555, "(cache_dirty_urcu_gp_ctr)"
  82         line 404, "pan.___", state 555, "else"
  83         line 404, "pan.___", state 558, "(1)"
  84         line 408, "pan.___", state 566, "cache_dirty_urcu_active_readers = 0"
  85         line 408, "pan.___", state 568, "(1)"
  86         line 408, "pan.___", state 569, "(cache_dirty_urcu_active_readers)"
  87         line 408, "pan.___", state 569, "else"
  88         line 408, "pan.___", state 572, "(1)"
  89         line 408, "pan.___", state 573, "(1)"
  90         line 408, "pan.___", state 573, "(1)"
  91         line 406, "pan.___", state 578, "((i<1))"
  92         line 406, "pan.___", state 578, "((i>=1))"
  93         line 413, "pan.___", state 584, "cache_dirty_rcu_ptr = 0"
  94         line 413, "pan.___", state 586, "(1)"
  95         line 413, "pan.___", state 587, "(cache_dirty_rcu_ptr)"
  96         line 413, "pan.___", state 587, "else"
  97         line 413, "pan.___", state 590, "(1)"
  98         line 413, "pan.___", state 591, "(1)"
  99         line 413, "pan.___", state 591, "(1)"
 100         line 417, "pan.___", state 598, "cache_dirty_rcu_data[i] = 0"
 101         line 417, "pan.___", state 600, "(1)"
 102         line 417, "pan.___", state 601, "(cache_dirty_rcu_data[i])"
 103         line 417, "pan.___", state 601, "else"
 104         line 417, "pan.___", state 604, "(1)"
 105         line 417, "pan.___", state 605, "(1)"
 106         line 417, "pan.___", state 605, "(1)"
 107         line 415, "pan.___", state 610, "((i<2))"
 108         line 415, "pan.___", state 610, "((i>=2))"
 109         line 422, "pan.___", state 617, "(1)"
 110         line 422, "pan.___", state 618, "(!(cache_dirty_urcu_gp_ctr))"
 111         line 422, "pan.___", state 618, "else"
 112         line 422, "pan.___", state 621, "(1)"
 113         line 422, "pan.___", state 622, "(1)"
 114         line 422, "pan.___", state 622, "(1)"
 115         line 426, "pan.___", state 630, "(1)"
 116         line 426, "pan.___", state 631, "(!(cache_dirty_urcu_active_readers))"
 117         line 426, "pan.___", state 631, "else"
 118         line 426, "pan.___", state 634, "(1)"
 119         line 426, "pan.___", state 635, "(1)"
 120         line 426, "pan.___", state 635, "(1)"
 121         line 424, "pan.___", state 640, "((i<1))"
 122         line 424, "pan.___", state 640, "((i>=1))"
 123         line 431, "pan.___", state 647, "(1)"
 124         line 431, "pan.___", state 648, "(!(cache_dirty_rcu_ptr))"
 125         line 431, "pan.___", state 648, "else"
 126         line 431, "pan.___", state 651, "(1)"
 127         line 431, "pan.___", state 652, "(1)"
 128         line 431, "pan.___", state 652, "(1)"
 129         line 435, "pan.___", state 660, "(1)"
 130         line 435, "pan.___", state 661, "(!(cache_dirty_rcu_data[i]))"
 131         line 435, "pan.___", state 661, "else"
 132         line 435, "pan.___", state 664, "(1)"
 133         line 435, "pan.___", state 665, "(1)"
 134         line 435, "pan.___", state 665, "(1)"
 135         line 433, "pan.___", state 670, "((i<2))"
 136         line 433, "pan.___", state 670, "((i>=2))"
 137         line 443, "pan.___", state 674, "(1)"
 138         line 443, "pan.___", state 674, "(1)"
 139         line 614, "pan.___", state 677, "cached_urcu_active_readers = (tmp+1)"
 140         line 614, "pan.___", state 678, "_proc_urcu_reader = (_proc_urcu_reader|(1<<5))"
 141         line 614, "pan.___", state 679, "(1)"
 142         line 404, "pan.___", state 686, "cache_dirty_urcu_gp_ctr = 0"
 143         line 413, "pan.___", state 718, "cache_dirty_rcu_ptr = 0"
 144         line 417, "pan.___", state 732, "cache_dirty_rcu_data[i] = 0"
 145         line 422, "pan.___", state 751, "(1)"
 146         line 431, "pan.___", state 781, "(1)"
 147         line 435, "pan.___", state 794, "(1)"
 148         line 404, "pan.___", state 821, "cache_dirty_urcu_gp_ctr = 0"
 149         line 413, "pan.___", state 853, "cache_dirty_rcu_ptr = 0"
 150         line 417, "pan.___", state 867, "cache_dirty_rcu_data[i] = 0"
 151         line 422, "pan.___", state 886, "(1)"
 152         line 431, "pan.___", state 916, "(1)"
 153         line 435, "pan.___", state 929, "(1)"
 154         line 404, "pan.___", state 950, "cache_dirty_urcu_gp_ctr = 0"
 155         line 413, "pan.___", state 982, "cache_dirty_rcu_ptr = 0"
 156         line 417, "pan.___", state 996, "cache_dirty_rcu_data[i] = 0"
 157         line 422, "pan.___", state 1015, "(1)"
 158         line 431, "pan.___", state 1045, "(1)"
 159         line 435, "pan.___", state 1058, "(1)"
 160         line 404, "pan.___", state 1091, "cache_dirty_urcu_gp_ctr = 0"
 161         line 413, "pan.___", state 1123, "cache_dirty_rcu_ptr = 0"
 162         line 417, "pan.___", state 1137, "cache_dirty_rcu_data[i] = 0"
 163         line 422, "pan.___", state 1156, "(1)"
 164         line 431, "pan.___", state 1186, "(1)"
 165         line 435, "pan.___", state 1199, "(1)"
 166         line 748, "pan.___", state 1220, "-end-"
 167         (95 of 1220 states)
 168 unreached in proctype urcu_writer
 169         line 837, "pan.___", state 12, "((i<1))"
 170         line 837, "pan.___", state 12, "((i>=1))"
 171         line 404, "pan.___", state 45, "cache_dirty_urcu_gp_ctr = 0"
 172         line 404, "pan.___", state 51, "(1)"
 173         line 408, "pan.___", state 59, "cache_dirty_urcu_active_readers = 0"
 174         line 408, "pan.___", state 65, "(1)"
 175         line 408, "pan.___", state 66, "(1)"
 176         line 408, "pan.___", state 66, "(1)"
 177         line 406, "pan.___", state 71, "((i<1))"
 178         line 406, "pan.___", state 71, "((i>=1))"
 179         line 413, "pan.___", state 77, "cache_dirty_rcu_ptr = 0"
 180         line 413, "pan.___", state 83, "(1)"
 181         line 413, "pan.___", state 84, "(1)"
 182         line 413, "pan.___", state 84, "(1)"
 183         line 417, "pan.___", state 97, "(1)"
 184         line 417, "pan.___", state 98, "(1)"
 185         line 417, "pan.___", state 98, "(1)"
 186         line 415, "pan.___", state 103, "((i<2))"
 187         line 415, "pan.___", state 103, "((i>=2))"
 188         line 422, "pan.___", state 110, "(1)"
 189         line 422, "pan.___", state 111, "(!(cache_dirty_urcu_gp_ctr))"
 190         line 422, "pan.___", state 111, "else"
 191         line 422, "pan.___", state 114, "(1)"
 192         line 422, "pan.___", state 115, "(1)"
 193         line 422, "pan.___", state 115, "(1)"
 194         line 426, "pan.___", state 123, "(1)"
 195         line 426, "pan.___", state 124, "(!(cache_dirty_urcu_active_readers))"
 196         line 426, "pan.___", state 124, "else"
 197         line 426, "pan.___", state 127, "(1)"
 198         line 426, "pan.___", state 128, "(1)"
 199         line 426, "pan.___", state 128, "(1)"
 200         line 424, "pan.___", state 133, "((i<1))"
 201         line 424, "pan.___", state 133, "((i>=1))"
 202         line 431, "pan.___", state 140, "(1)"
 203         line 431, "pan.___", state 141, "(!(cache_dirty_rcu_ptr))"
 204         line 431, "pan.___", state 141, "else"
 205         line 431, "pan.___", state 144, "(1)"
 206         line 431, "pan.___", state 145, "(1)"
 207         line 431, "pan.___", state 145, "(1)"
 208         line 435, "pan.___", state 153, "(1)"
 209         line 435, "pan.___", state 154, "(!(cache_dirty_rcu_data[i]))"
 210         line 435, "pan.___", state 154, "else"
 211         line 435, "pan.___", state 157, "(1)"
 212         line 435, "pan.___", state 158, "(1)"
 213         line 435, "pan.___", state 158, "(1)"
 214         line 433, "pan.___", state 163, "((i<2))"
 215         line 433, "pan.___", state 163, "((i>=2))"
 216         line 443, "pan.___", state 167, "(1)"
 217         line 443, "pan.___", state 167, "(1)"
 218         line 268, "pan.___", state 176, "cache_dirty_urcu_gp_ctr = 0"
 219         line 272, "pan.___", state 185, "cache_dirty_urcu_active_readers = 0"
 220         line 276, "pan.___", state 198, "cache_dirty_rcu_ptr = 0"
 221         line 404, "pan.___", state 238, "cache_dirty_urcu_gp_ctr = 0"
 222         line 408, "pan.___", state 252, "cache_dirty_urcu_active_readers = 0"
 223         line 413, "pan.___", state 270, "cache_dirty_rcu_ptr = 0"
 224         line 417, "pan.___", state 284, "cache_dirty_rcu_data[i] = 0"
 225         line 422, "pan.___", state 303, "(1)"
 226         line 426, "pan.___", state 316, "(1)"
 227         line 431, "pan.___", state 333, "(1)"
 228         line 435, "pan.___", state 346, "(1)"
 229         line 408, "pan.___", state 383, "cache_dirty_urcu_active_readers = 0"
 230         line 413, "pan.___", state 401, "cache_dirty_rcu_ptr = 0"
 231         line 417, "pan.___", state 415, "cache_dirty_rcu_data[i] = 0"
 232         line 426, "pan.___", state 447, "(1)"
 233         line 431, "pan.___", state 464, "(1)"
 234         line 435, "pan.___", state 477, "(1)"
 235         line 408, "pan.___", state 522, "cache_dirty_urcu_active_readers = 0"
 236         line 413, "pan.___", state 540, "cache_dirty_rcu_ptr = 0"
 237         line 417, "pan.___", state 554, "cache_dirty_rcu_data[i] = 0"
 238         line 426, "pan.___", state 586, "(1)"
 239         line 431, "pan.___", state 603, "(1)"
 240         line 435, "pan.___", state 616, "(1)"
 241         line 408, "pan.___", state 651, "cache_dirty_urcu_active_readers = 0"
 242         line 413, "pan.___", state 669, "cache_dirty_rcu_ptr = 0"
 243         line 417, "pan.___", state 683, "cache_dirty_rcu_data[i] = 0"
 244         line 426, "pan.___", state 715, "(1)"
 245         line 431, "pan.___", state 732, "(1)"
 246         line 435, "pan.___", state 745, "(1)"
 247         line 408, "pan.___", state 782, "cache_dirty_urcu_active_readers = 0"
 248         line 413, "pan.___", state 800, "cache_dirty_rcu_ptr = 0"
 249         line 417, "pan.___", state 814, "cache_dirty_rcu_data[i] = 0"
 250         line 426, "pan.___", state 846, "(1)"
 251         line 431, "pan.___", state 863, "(1)"
 252         line 435, "pan.___", state 876, "(1)"
 253         line 268, "pan.___", state 931, "cache_dirty_urcu_gp_ctr = 0"
 254         line 272, "pan.___", state 940, "cache_dirty_urcu_active_readers = 0"
 255         line 276, "pan.___", state 955, "(1)"
 256         line 280, "pan.___", state 962, "cache_dirty_rcu_data[i] = 0"
 257         line 245, "pan.___", state 978, "(1)"
 258         line 249, "pan.___", state 986, "(1)"
 259         line 253, "pan.___", state 998, "(1)"
 260         line 257, "pan.___", state 1006, "(1)"
 261         line 268, "pan.___", state 1037, "cache_dirty_urcu_gp_ctr = 0"
 262         line 272, "pan.___", state 1046, "cache_dirty_urcu_active_readers = 0"
 263         line 276, "pan.___", state 1059, "cache_dirty_rcu_ptr = 0"
 264         line 280, "pan.___", state 1068, "cache_dirty_rcu_data[i] = 0"
 265         line 245, "pan.___", state 1084, "(1)"
 266         line 249, "pan.___", state 1092, "(1)"
 267         line 253, "pan.___", state 1104, "(1)"
 268         line 257, "pan.___", state 1112, "(1)"
 269         line 272, "pan.___", state 1138, "cache_dirty_urcu_active_readers = 0"
 270         line 276, "pan.___", state 1151, "cache_dirty_rcu_ptr = 0"
 271         line 280, "pan.___", state 1160, "cache_dirty_rcu_data[i] = 0"
 272         line 245, "pan.___", state 1176, "(1)"
 273         line 249, "pan.___", state 1184, "(1)"
 274         line 253, "pan.___", state 1196, "(1)"
 275         line 257, "pan.___", state 1204, "(1)"
 276         line 268, "pan.___", state 1235, "cache_dirty_urcu_gp_ctr = 0"
 277         line 272, "pan.___", state 1244, "cache_dirty_urcu_active_readers = 0"
 278         line 276, "pan.___", state 1257, "cache_dirty_rcu_ptr = 0"
 279         line 280, "pan.___", state 1266, "cache_dirty_rcu_data[i] = 0"
 280         line 245, "pan.___", state 1282, "(1)"
 281         line 249, "pan.___", state 1290, "(1)"
 282         line 253, "pan.___", state 1302, "(1)"
 283         line 257, "pan.___", state 1310, "(1)"
 284         line 272, "pan.___", state 1336, "cache_dirty_urcu_active_readers = 0"
 285         line 276, "pan.___", state 1349, "cache_dirty_rcu_ptr = 0"
 286         line 280, "pan.___", state 1358, "cache_dirty_rcu_data[i] = 0"
 287         line 245, "pan.___", state 1374, "(1)"
 288         line 249, "pan.___", state 1382, "(1)"
 289         line 253, "pan.___", state 1394, "(1)"
 290         line 257, "pan.___", state 1402, "(1)"
 291         line 268, "pan.___", state 1433, "cache_dirty_urcu_gp_ctr = 0"
 292         line 272, "pan.___", state 1442, "cache_dirty_urcu_active_readers = 0"
 293         line 276, "pan.___", state 1455, "cache_dirty_rcu_ptr = 0"
 294         line 280, "pan.___", state 1464, "cache_dirty_rcu_data[i] = 0"
 295         line 245, "pan.___", state 1480, "(1)"
 296         line 249, "pan.___", state 1488, "(1)"
 297         line 253, "pan.___", state 1500, "(1)"
 298         line 257, "pan.___", state 1508, "(1)"
 299         line 272, "pan.___", state 1534, "cache_dirty_urcu_active_readers = 0"
 300         line 276, "pan.___", state 1547, "cache_dirty_rcu_ptr = 0"
 301         line 280, "pan.___", state 1556, "cache_dirty_rcu_data[i] = 0"
 302         line 245, "pan.___", state 1572, "(1)"
 303         line 249, "pan.___", state 1580, "(1)"
 304         line 253, "pan.___", state 1592, "(1)"
 305         line 257, "pan.___", state 1600, "(1)"
 306         line 268, "pan.___", state 1631, "cache_dirty_urcu_gp_ctr = 0"
 307         line 272, "pan.___", state 1640, "cache_dirty_urcu_active_readers = 0"
 308         line 276, "pan.___", state 1653, "cache_dirty_rcu_ptr = 0"
 309         line 280, "pan.___", state 1662, "cache_dirty_rcu_data[i] = 0"
 310         line 245, "pan.___", state 1678, "(1)"
 311         line 249, "pan.___", state 1686, "(1)"
 312         line 253, "pan.___", state 1698, "(1)"
 313         line 257, "pan.___", state 1706, "(1)"
 314         line 1123, "pan.___", state 1722, "-end-"
 315         (129 of 1722 states)
 316 unreached in proctype :init:
 317         line 1138, "pan.___", state 11, "((i<1))"
 318         line 1138, "pan.___", state 11, "((i>=1))"
 319         (1 of 26 states)
 320 unreached in proctype :never:
 321         line 1184, "pan.___", state 8, "-end-"
 322         (1 of 8 states)
 323
 324 pan: elapsed time 155 seconds
 325 pan: rate 2784.0683 states/second
 326 pan: avg transition delay 1.5479e-06 usec
 327 cp .input.spin urcu_free_no_rmb.spin.input
 328 cp .input.spin.trail urcu_free_no_rmb.spin.input.trail
 329 make[1]: Leaving directory `/home/compudj/doc/userspace-rcu/formal-model/urcu-controldataflow-min-progress'