--- /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_mb.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 745)
+Depth= 11386 States= 1e+06 Transitions= 1.56e+07 Memory= 527.287 t= 12.8 R= 8e+04
+pan: claim violated! (at depth 2146)
+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 72 byte, depth reached 11386, errors: 1
+ 1223588 states, stored
+ 17987399 states, matched
+ 19210987 transitions (= stored+matched)
+ 70012127 atomic steps
+hash conflicts: 4173157 (resolved)
+
+Stats on memory usage (in Megabytes):
+ 116.690 equivalent memory usage for states (stored*(State-vector + overhead))
+ 75.177 actual memory usage for states (compression: 64.42%)
+ state-vector as stored = 36 byte + 28 byte overhead
+ 8.000 memory used for hash table (-w20)
+ 457.764 memory used for DFS stack (-m10000000)
+ 540.861 total actual memory usage
+
+unreached in proctype urcu_reader
+ line 400, "pan.___", state 16, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
+ line 409, "pan.___", state 48, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
+ line 410, "pan.___", state 61, "(1)"
+ line 419, "pan.___", state 91, "(1)"
+ line 400, "pan.___", state 106, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
+ line 409, "pan.___", state 138, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
+ line 410, "pan.___", state 151, "(1)"
+ line 419, "pan.___", state 181, "(1)"
+ line 400, "pan.___", state 197, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
+ line 409, "pan.___", state 229, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
+ line 410, "pan.___", state 242, "(1)"
+ line 419, "pan.___", state 272, "(1)"
+ line 400, "pan.___", state 315, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
+ line 404, "pan.___", state 331, "(1)"
+ line 409, "pan.___", state 347, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
+ line 410, "pan.___", state 360, "(1)"
+ line 419, "pan.___", state 390, "(1)"
+ line 541, "pan.___", state 414, "-end-"
+ (18 of 414 states)
+unreached in proctype urcu_writer
+ line 400, "pan.___", state 14, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
+ line 400, "pan.___", state 20, "(1)"
+ line 404, "pan.___", state 28, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
+ line 404, "pan.___", state 34, "(1)"
+ line 404, "pan.___", state 35, "(1)"
+ line 404, "pan.___", state 35, "(1)"
+ line 402, "pan.___", state 40, "((i<1))"
+ line 402, "pan.___", state 40, "((i>=1))"
+ line 409, "pan.___", state 46, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
+ line 410, "pan.___", state 59, "(1)"
+ line 410, "pan.___", state 60, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
+ line 410, "pan.___", state 60, "else"
+ line 410, "pan.___", state 63, "(1)"
+ line 410, "pan.___", state 64, "(1)"
+ line 410, "pan.___", state 64, "(1)"
+ line 414, "pan.___", state 72, "(1)"
+ line 414, "pan.___", state 73, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
+ line 414, "pan.___", state 73, "else"
+ line 414, "pan.___", state 76, "(1)"
+ line 414, "pan.___", state 77, "(1)"
+ line 414, "pan.___", state 77, "(1)"
+ line 412, "pan.___", state 82, "((i<1))"
+ line 412, "pan.___", state 82, "((i>=1))"
+ line 419, "pan.___", state 89, "(1)"
+ line 419, "pan.___", state 90, "(!((cache_dirty_generation_ptr.bitfield&(1<<_pid))))"
+ line 419, "pan.___", state 90, "else"
+ line 419, "pan.___", state 93, "(1)"
+ line 419, "pan.___", state 94, "(1)"
+ line 419, "pan.___", state 94, "(1)"
+ line 421, "pan.___", state 97, "(1)"
+ line 421, "pan.___", state 97, "(1)"
+ line 370, "pan.___", state 99, "(1)"
+ line 640, "pan.___", state 103, "cached_generation_ptr.val[_pid] = (old_gen+1)"
+ line 638, "pan.___", state 104, "old_gen = cached_generation_ptr.val[_pid]"
+ line 400, "pan.___", state 108, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
+ line 400, "pan.___", state 114, "(1)"
+ line 404, "pan.___", state 122, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
+ line 404, "pan.___", state 128, "(1)"
+ line 404, "pan.___", state 129, "(1)"
+ line 404, "pan.___", state 129, "(1)"
+ line 410, "pan.___", state 153, "(1)"
+ line 414, "pan.___", state 166, "(1)"
+ line 421, "pan.___", state 191, "(1)"
+ line 421, "pan.___", state 191, "(1)"
+ line 653, "pan.___", state 199, "(1)"
+ line 400, "pan.___", state 209, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
+ line 404, "pan.___", state 223, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
+ line 410, "pan.___", state 254, "(1)"
+ line 414, "pan.___", state 267, "(1)"
+ line 400, "pan.___", state 300, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
+ line 404, "pan.___", state 314, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
+ line 410, "pan.___", state 345, "(1)"
+ line 414, "pan.___", state 358, "(1)"
+ line 400, "pan.___", state 395, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
+ line 404, "pan.___", state 409, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
+ line 410, "pan.___", state 440, "(1)"
+ line 414, "pan.___", state 453, "(1)"
+ line 400, "pan.___", state 488, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
+ line 404, "pan.___", state 502, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
+ line 410, "pan.___", state 533, "(1)"
+ line 414, "pan.___", state 546, "(1)"
+ line 400, "pan.___", state 582, "(1)"
+ line 404, "pan.___", state 594, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
+ line 414, "pan.___", state 638, "(1)"
+ line 404, "pan.___", state 687, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
+ line 414, "pan.___", state 731, "(1)"
+ line 404, "pan.___", state 777, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
+ line 409, "pan.___", state 795, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
+ line 414, "pan.___", state 821, "(1)"
+ line 419, "pan.___", state 838, "(1)"
+ line 404, "pan.___", state 868, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
+ line 409, "pan.___", state 886, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
+ line 414, "pan.___", state 912, "(1)"
+ line 419, "pan.___", state 929, "(1)"
+ line 404, "pan.___", state 963, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
+ line 409, "pan.___", state 981, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
+ line 414, "pan.___", state 1007, "(1)"
+ line 419, "pan.___", state 1024, "(1)"
+ line 400, "pan.___", state 1050, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
+ line 400, "pan.___", state 1052, "(1)"
+ line 400, "pan.___", state 1053, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
+ line 400, "pan.___", state 1053, "else"
+ line 400, "pan.___", state 1056, "(1)"
+ line 404, "pan.___", state 1064, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
+ line 404, "pan.___", state 1066, "(1)"
+ line 404, "pan.___", state 1067, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
+ line 404, "pan.___", state 1067, "else"
+ line 404, "pan.___", state 1070, "(1)"
+ line 404, "pan.___", state 1071, "(1)"
+ line 404, "pan.___", state 1071, "(1)"
+ line 402, "pan.___", state 1076, "((i<1))"
+ line 402, "pan.___", state 1076, "((i>=1))"
+ line 409, "pan.___", state 1082, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
+ line 410, "pan.___", state 1095, "(1)"
+ line 410, "pan.___", state 1096, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
+ line 410, "pan.___", state 1096, "else"
+ line 410, "pan.___", state 1099, "(1)"
+ line 410, "pan.___", state 1100, "(1)"
+ line 410, "pan.___", state 1100, "(1)"
+ line 414, "pan.___", state 1108, "(1)"
+ line 414, "pan.___", state 1109, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
+ line 414, "pan.___", state 1109, "else"
+ line 414, "pan.___", state 1112, "(1)"
+ line 414, "pan.___", state 1113, "(1)"
+ line 414, "pan.___", state 1113, "(1)"
+ line 412, "pan.___", state 1118, "((i<1))"
+ line 412, "pan.___", state 1118, "((i>=1))"
+ line 419, "pan.___", state 1125, "(1)"
+ line 419, "pan.___", state 1126, "(!((cache_dirty_generation_ptr.bitfield&(1<<_pid))))"
+ line 419, "pan.___", state 1126, "else"
+ line 419, "pan.___", state 1129, "(1)"
+ line 419, "pan.___", state 1130, "(1)"
+ line 419, "pan.___", state 1130, "(1)"
+ line 421, "pan.___", state 1133, "(1)"
+ line 421, "pan.___", state 1133, "(1)"
+ line 404, "pan.___", state 1164, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
+ line 414, "pan.___", state 1208, "(1)"
+ line 404, "pan.___", state 1254, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
+ line 414, "pan.___", state 1298, "(1)"
+ line 400, "pan.___", state 1334, "(1)"
+ line 404, "pan.___", state 1346, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
+ line 414, "pan.___", state 1390, "(1)"
+ line 404, "pan.___", state 1439, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
+ line 414, "pan.___", state 1483, "(1)"
+ line 404, "pan.___", state 1529, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
+ line 409, "pan.___", state 1547, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
+ line 414, "pan.___", state 1573, "(1)"
+ line 419, "pan.___", state 1590, "(1)"
+ line 404, "pan.___", state 1620, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
+ line 409, "pan.___", state 1638, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
+ line 414, "pan.___", state 1664, "(1)"
+ line 419, "pan.___", state 1681, "(1)"
+ line 404, "pan.___", state 1715, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
+ line 409, "pan.___", state 1733, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
+ line 414, "pan.___", state 1759, "(1)"
+ line 419, "pan.___", state 1776, "(1)"
+ line 400, "pan.___", state 1802, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
+ line 400, "pan.___", state 1804, "(1)"
+ line 400, "pan.___", state 1805, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
+ line 400, "pan.___", state 1805, "else"
+ line 400, "pan.___", state 1808, "(1)"
+ line 404, "pan.___", state 1816, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
+ line 404, "pan.___", state 1818, "(1)"
+ line 404, "pan.___", state 1819, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
+ line 404, "pan.___", state 1819, "else"
+ line 404, "pan.___", state 1822, "(1)"
+ line 404, "pan.___", state 1823, "(1)"
+ line 404, "pan.___", state 1823, "(1)"
+ line 402, "pan.___", state 1828, "((i<1))"
+ line 402, "pan.___", state 1828, "((i>=1))"
+ line 409, "pan.___", state 1834, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))"
+ line 410, "pan.___", state 1847, "(1)"
+ line 410, "pan.___", state 1848, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
+ line 410, "pan.___", state 1848, "else"
+ line 410, "pan.___", state 1851, "(1)"
+ line 410, "pan.___", state 1852, "(1)"
+ line 410, "pan.___", state 1852, "(1)"
+ line 414, "pan.___", state 1860, "(1)"
+ line 414, "pan.___", state 1861, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
+ line 414, "pan.___", state 1861, "else"
+ line 414, "pan.___", state 1864, "(1)"
+ line 414, "pan.___", state 1865, "(1)"
+ line 414, "pan.___", state 1865, "(1)"
+ line 412, "pan.___", state 1870, "((i<1))"
+ line 412, "pan.___", state 1870, "((i>=1))"
+ line 419, "pan.___", state 1877, "(1)"
+ line 419, "pan.___", state 1878, "(!((cache_dirty_generation_ptr.bitfield&(1<<_pid))))"
+ line 419, "pan.___", state 1878, "else"
+ line 419, "pan.___", state 1881, "(1)"
+ line 419, "pan.___", state 1882, "(1)"
+ line 419, "pan.___", state 1882, "(1)"
+ line 421, "pan.___", state 1885, "(1)"
+ line 421, "pan.___", state 1885, "(1)"
+ line 404, "pan.___", state 1916, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
+ line 414, "pan.___", state 1960, "(1)"
+ line 404, "pan.___", state 2007, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
+ line 414, "pan.___", state 2051, "(1)"
+ line 404, "pan.___", state 2102, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
+ line 414, "pan.___", state 2146, "(1)"
+ line 703, "pan.___", state 2192, "-end-"
+ (144 of 2192 states)
+unreached in proctype :init:
+ line 710, "pan.___", state 9, "((j<2))"
+ line 710, "pan.___", state 9, "((j>=2))"
+ line 711, "pan.___", state 20, "((j<2))"
+ line 711, "pan.___", state 20, "((j>=2))"
+ line 716, "pan.___", state 33, "((j<2))"
+ line 716, "pan.___", state 33, "((j>=2))"
+ (3 of 46 states)
+unreached in proctype :never:
+ line 750, "pan.___", state 8, "-end-"
+ (1 of 8 states)
+
+pan: elapsed time 15.9 seconds
+pan: rate 77100.693 states/second
+pan: avg transition delay 8.2609e-07 usec
+cp .input.spin urcu_free_no_mb.spin.input
+cp .input.spin.trail urcu_free_no_mb.spin.input.trail
+make[1]: Leaving directory `/home/compudj/doc/userspace-rcu/formal-model/urcu'
projects / urcu.git / blobdiff