+++ /dev/null
-make[1]: Entering directory `/home/compudj/doc/userspace-rcu/formal-model/urcu'
-rm -f pan* trail.out .input.spin* *.spin.trail .input.define
-touch .input.define
-cat .input.define >> pan.ltl
-cat DEFINES >> pan.ltl
-spin -f "!(`cat urcu_free.ltl | grep -v ^//`)" >> pan.ltl
-cp urcu_free_no_wmb.define .input.define
-cat .input.define > .input.spin
-cat DEFINES >> .input.spin
-cat urcu.spin >> .input.spin
-rm -f .input.spin.trail
-spin -a -X -N pan.ltl .input.spin
-Exit-Status 0
-gcc -O2 -w -DHASH64 -o pan pan.c
-./pan -a -v -c1 -X -m10000000 -w20
-warning: for p.o. reduction to be valid the never claim must be stutter-invariant
-(never claims generated from LTL formulae are stutter-invariant)
-depth 0: Claim reached state 5 (line 744)
-pan: claim violated! (at depth 1882)
-pan: wrote .input.spin.trail
-
-(Spin Version 5.1.7 -- 23 December 2008)
-Warning: Search not completed
- + Partial Order Reduction
-
-Full statespace search for:
- never claim +
- assertion violations + (if within scope of claim)
- acceptance cycles + (fairness disabled)
- invalid end states - (disabled by never claim)
-
-State-vector 56 byte, depth reached 4174, errors: 1
- 367189 states, stored
- 3431533 states, matched
- 3798722 transitions (= stored+matched)
- 13407384 atomic steps
-hash conflicts: 253700 (resolved)
-
-Stats on memory usage (in Megabytes):
- 29.415 equivalent memory usage for states (stored*(State-vector + overhead))
- 22.811 actual memory usage for states (compression: 77.55%)
- state-vector as stored = 37 byte + 28 byte overhead
- 8.000 memory used for hash table (-w20)
- 457.764 memory used for DFS stack (-m10000000)
- 488.518 total actual memory usage
-
-unreached in proctype urcu_reader
- line 399, "pan.___", state 16, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
- line 408, "pan.___", state 48, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
- line 409, "pan.___", state 61, "(1)"
- line 418, "pan.___", state 91, "(1)"
- line 399, "pan.___", state 106, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
- line 408, "pan.___", state 138, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
- line 409, "pan.___", state 151, "(1)"
- line 418, "pan.___", state 181, "(1)"
- line 399, "pan.___", state 197, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
- line 408, "pan.___", state 229, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
- line 409, "pan.___", state 242, "(1)"
- line 418, "pan.___", state 272, "(1)"
- line 399, "pan.___", state 315, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
- line 403, "pan.___", state 331, "(1)"
- line 408, "pan.___", state 347, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
- line 409, "pan.___", state 360, "(1)"
- line 418, "pan.___", state 390, "(1)"
- line 540, "pan.___", state 414, "-end-"
- (18 of 414 states)
-unreached in proctype urcu_writer
- line 399, "pan.___", state 14, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
- line 399, "pan.___", state 20, "(1)"
- line 403, "pan.___", state 28, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
- line 403, "pan.___", state 34, "(1)"
- line 403, "pan.___", state 35, "(1)"
- line 403, "pan.___", state 35, "(1)"
- line 401, "pan.___", state 40, "((i<1))"
- line 401, "pan.___", state 40, "((i>=1))"
- line 408, "pan.___", state 46, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
- line 409, "pan.___", state 59, "(1)"
- line 409, "pan.___", state 60, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
- line 409, "pan.___", state 60, "else"
- line 409, "pan.___", state 63, "(1)"
- line 409, "pan.___", state 64, "(1)"
- line 409, "pan.___", state 64, "(1)"
- line 413, "pan.___", state 72, "(1)"
- line 413, "pan.___", state 73, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
- line 413, "pan.___", state 73, "else"
- line 413, "pan.___", state 76, "(1)"
- line 413, "pan.___", state 77, "(1)"
- line 413, "pan.___", state 77, "(1)"
- line 411, "pan.___", state 82, "((i<1))"
- line 411, "pan.___", state 82, "((i>=1))"
- line 418, "pan.___", state 89, "(1)"
- line 418, "pan.___", state 90, "(!((cache_dirty_generation_ptr.bitfield&(1<<_pid))))"
- line 418, "pan.___", state 90, "else"
- line 418, "pan.___", state 93, "(1)"
- line 418, "pan.___", state 94, "(1)"
- line 418, "pan.___", state 94, "(1)"
- line 420, "pan.___", state 97, "(1)"
- line 420, "pan.___", state 97, "(1)"
- line 369, "pan.___", state 99, "(1)"
- line 639, "pan.___", state 103, "cached_generation_ptr.val[_pid] = (old_gen+1)"
- line 637, "pan.___", state 104, "old_gen = cached_generation_ptr.val[_pid]"
- line 399, "pan.___", state 108, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
- line 399, "pan.___", state 114, "(1)"
- line 403, "pan.___", state 122, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
- line 403, "pan.___", state 128, "(1)"
- line 403, "pan.___", state 129, "(1)"
- line 403, "pan.___", state 129, "(1)"
- line 401, "pan.___", state 134, "((i<1))"
- line 401, "pan.___", state 134, "((i>=1))"
- line 409, "pan.___", state 153, "(1)"
- line 409, "pan.___", state 154, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
- line 409, "pan.___", state 154, "else"
- line 409, "pan.___", state 157, "(1)"
- line 409, "pan.___", state 158, "(1)"
- line 409, "pan.___", state 158, "(1)"
- line 413, "pan.___", state 166, "(1)"
- line 413, "pan.___", state 167, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
- line 413, "pan.___", state 167, "else"
- line 413, "pan.___", state 170, "(1)"
- line 413, "pan.___", state 171, "(1)"
- line 413, "pan.___", state 171, "(1)"
- line 411, "pan.___", state 176, "((i<1))"
- line 411, "pan.___", state 176, "((i>=1))"
- line 418, "pan.___", state 183, "(1)"
- line 418, "pan.___", state 184, "(!((cache_dirty_generation_ptr.bitfield&(1<<_pid))))"
- line 418, "pan.___", state 184, "else"
- line 418, "pan.___", state 187, "(1)"
- line 418, "pan.___", state 188, "(1)"
- line 418, "pan.___", state 188, "(1)"
- line 420, "pan.___", state 191, "(1)"
- line 420, "pan.___", state 191, "(1)"
- line 369, "pan.___", state 193, "(1)"
- line 652, "pan.___", state 199, "(1)"
- line 646, "pan.___", state 202, "((write_lock==0))"
- line 646, "pan.___", state 202, "else"
- line 644, "pan.___", state 203, "(1)"
- line 160, "pan.___", state 209, "(1)"
- line 164, "pan.___", state 217, "(1)"
- line 164, "pan.___", state 218, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
- line 164, "pan.___", state 218, "else"
- line 162, "pan.___", state 223, "((j<1))"
- line 162, "pan.___", state 223, "((j>=1))"
- line 168, "pan.___", state 229, "(1)"
- line 168, "pan.___", state 230, "(!((cache_dirty_generation_ptr.bitfield&(1<<_pid))))"
- line 168, "pan.___", state 230, "else"
- line 160, "pan.___", state 241, "(1)"
- line 168, "pan.___", state 261, "(1)"
- line 160, "pan.___", state 277, "(1)"
- line 164, "pan.___", state 285, "(1)"
- line 168, "pan.___", state 297, "(1)"
- line 399, "pan.___", state 311, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
- line 403, "pan.___", state 325, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
- line 408, "pan.___", state 343, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
- line 409, "pan.___", state 356, "(1)"
- line 413, "pan.___", state 369, "(1)"
- line 418, "pan.___", state 386, "(1)"
- line 399, "pan.___", state 405, "(1)"
- line 403, "pan.___", state 417, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
- line 408, "pan.___", state 435, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
- line 413, "pan.___", state 461, "(1)"
- line 418, "pan.___", state 478, "(1)"
- line 403, "pan.___", state 510, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
- line 408, "pan.___", state 528, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
- line 413, "pan.___", state 554, "(1)"
- line 418, "pan.___", state 571, "(1)"
- line 164, "pan.___", state 594, "(1)"
- line 168, "pan.___", state 606, "(1)"
- line 160, "pan.___", state 618, "(1)"
- line 168, "pan.___", state 638, "(1)"
- line 164, "pan.___", state 662, "(1)"
- line 168, "pan.___", state 674, "(1)"
- line 399, "pan.___", state 696, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
- line 399, "pan.___", state 698, "(1)"
- line 399, "pan.___", state 699, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
- line 399, "pan.___", state 699, "else"
- line 399, "pan.___", state 702, "(1)"
- line 403, "pan.___", state 710, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
- line 403, "pan.___", state 712, "(1)"
- line 403, "pan.___", state 713, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
- line 403, "pan.___", state 713, "else"
- line 403, "pan.___", state 716, "(1)"
- line 403, "pan.___", state 717, "(1)"
- line 403, "pan.___", state 717, "(1)"
- line 401, "pan.___", state 722, "((i<1))"
- line 401, "pan.___", state 722, "((i>=1))"
- line 408, "pan.___", state 728, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
- line 409, "pan.___", state 741, "(1)"
- line 409, "pan.___", state 742, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
- line 409, "pan.___", state 742, "else"
- line 409, "pan.___", state 745, "(1)"
- line 409, "pan.___", state 746, "(1)"
- line 409, "pan.___", state 746, "(1)"
- line 413, "pan.___", state 754, "(1)"
- line 413, "pan.___", state 755, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
- line 413, "pan.___", state 755, "else"
- line 413, "pan.___", state 758, "(1)"
- line 413, "pan.___", state 759, "(1)"
- line 413, "pan.___", state 759, "(1)"
- line 411, "pan.___", state 764, "((i<1))"
- line 411, "pan.___", state 764, "((i>=1))"
- line 418, "pan.___", state 771, "(1)"
- line 418, "pan.___", state 772, "(!((cache_dirty_generation_ptr.bitfield&(1<<_pid))))"
- line 418, "pan.___", state 772, "else"
- line 418, "pan.___", state 775, "(1)"
- line 418, "pan.___", state 776, "(1)"
- line 418, "pan.___", state 776, "(1)"
- line 420, "pan.___", state 779, "(1)"
- line 420, "pan.___", state 779, "(1)"
- line 403, "pan.___", state 810, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
- line 408, "pan.___", state 828, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
- line 413, "pan.___", state 854, "(1)"
- line 418, "pan.___", state 871, "(1)"
- line 403, "pan.___", state 900, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
- line 408, "pan.___", state 918, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
- line 413, "pan.___", state 944, "(1)"
- line 418, "pan.___", state 961, "(1)"
- line 399, "pan.___", state 980, "(1)"
- line 403, "pan.___", state 992, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
- line 408, "pan.___", state 1010, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
- line 413, "pan.___", state 1036, "(1)"
- line 418, "pan.___", state 1053, "(1)"
- line 403, "pan.___", state 1085, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
- line 408, "pan.___", state 1103, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
- line 413, "pan.___", state 1129, "(1)"
- line 418, "pan.___", state 1146, "(1)"
- line 164, "pan.___", state 1169, "(1)"
- line 168, "pan.___", state 1181, "(1)"
- line 160, "pan.___", state 1193, "(1)"
- line 168, "pan.___", state 1213, "(1)"
- line 164, "pan.___", state 1237, "(1)"
- line 168, "pan.___", state 1249, "(1)"
- line 399, "pan.___", state 1271, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
- line 399, "pan.___", state 1273, "(1)"
- line 399, "pan.___", state 1274, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
- line 399, "pan.___", state 1274, "else"
- line 399, "pan.___", state 1277, "(1)"
- line 403, "pan.___", state 1285, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
- line 403, "pan.___", state 1287, "(1)"
- line 403, "pan.___", state 1288, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
- line 403, "pan.___", state 1288, "else"
- line 403, "pan.___", state 1291, "(1)"
- line 403, "pan.___", state 1292, "(1)"
- line 403, "pan.___", state 1292, "(1)"
- line 401, "pan.___", state 1297, "((i<1))"
- line 401, "pan.___", state 1297, "((i>=1))"
- line 408, "pan.___", state 1303, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
- line 409, "pan.___", state 1316, "(1)"
- line 409, "pan.___", state 1317, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
- line 409, "pan.___", state 1317, "else"
- line 409, "pan.___", state 1320, "(1)"
- line 409, "pan.___", state 1321, "(1)"
- line 409, "pan.___", state 1321, "(1)"
- line 413, "pan.___", state 1329, "(1)"
- line 413, "pan.___", state 1330, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
- line 413, "pan.___", state 1330, "else"
- line 413, "pan.___", state 1333, "(1)"
- line 413, "pan.___", state 1334, "(1)"
- line 413, "pan.___", state 1334, "(1)"
- line 411, "pan.___", state 1339, "((i<1))"
- line 411, "pan.___", state 1339, "((i>=1))"
- line 418, "pan.___", state 1346, "(1)"
- line 418, "pan.___", state 1347, "(!((cache_dirty_generation_ptr.bitfield&(1<<_pid))))"
- line 418, "pan.___", state 1347, "else"
- line 418, "pan.___", state 1350, "(1)"
- line 418, "pan.___", state 1351, "(1)"
- line 418, "pan.___", state 1351, "(1)"
- line 420, "pan.___", state 1354, "(1)"
- line 420, "pan.___", state 1354, "(1)"
- line 164, "pan.___", state 1379, "(1)"
- line 168, "pan.___", state 1391, "(1)"
- line 160, "pan.___", state 1403, "(1)"
- line 168, "pan.___", state 1423, "(1)"
- line 164, "pan.___", state 1447, "(1)"
- line 168, "pan.___", state 1459, "(1)"
- line 702, "pan.___", state 1484, "-end-"
- (160 of 1484 states)
-unreached in proctype :init:
- line 709, "pan.___", state 9, "((j<2))"
- line 709, "pan.___", state 9, "((j>=2))"
- line 710, "pan.___", state 20, "((j<2))"
- line 710, "pan.___", state 20, "((j>=2))"
- line 715, "pan.___", state 33, "((j<2))"
- line 715, "pan.___", state 33, "((j>=2))"
- (3 of 46 states)
-unreached in proctype :never:
- line 749, "pan.___", state 8, "-end-"
- (1 of 8 states)
-
-pan: elapsed time 2.96 seconds
-pan: rate 124050.34 states/second
-pan: avg transition delay 7.7921e-07 usec
-cp .input.spin urcu_free_no_wmb.spin.input
-cp .input.spin.trail urcu_free_no_wmb.spin.input.trail
-make[1]: Leaving directory `/home/compudj/doc/userspace-rcu/formal-model/urcu'
projects / urcu.git / blobdiff