--- /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_progress.ltl | grep -v ^//`)" >> pan.ltl
+cp urcu_progress_writer_error.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 -f -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 743)
+depth 12: Claim reached state 9 (line 748)
+depth 28: Claim reached state 9 (line 747)
+
+(Spin Version 5.1.7 -- 23 December 2008)
+ + Partial Order Reduction
+
+Full statespace search for:
+ never claim +
+ assertion violations + (if within scope of claim)
+ acceptance cycles + (fairness enabled)
+ invalid end states - (disabled by never claim)
+
+State-vector 56 byte, depth reached 10679, errors: 0
+ 38555 states, stored (92500 visited)
+ 1044204 states, matched
+ 1136704 transitions (= visited+matched)
+ 3867169 atomic steps
+hash conflicts: 6390 (resolved)
+
+Stats on memory usage (in Megabytes):
+ 3.089 equivalent memory usage for states (stored*(State-vector + overhead))
+ 2.767 actual memory usage for states (compression: 89.58%)
+ state-vector as stored = 47 byte + 28 byte overhead
+ 8.000 memory used for hash table (-w20)
+ 457.764 memory used for DFS stack (-m10000000)
+ 468.498 total actual memory usage
+
+unreached in proctype urcu_reader_sig
+ line 403, "pan.___", state 330, "(1)"
+ line 614, "pan.___", state 411, "-end-"
+ (2 of 411 states)
+unreached in proctype urcu_writer
+ line 399, "pan.___", state 14, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<0)))"
+ line 408, "pan.___", state 46, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<0)))"
+ line 409, "pan.___", state 59, "(1)"
+ line 418, "pan.___", state 89, "(1)"
+ line 399, "pan.___", state 115, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<0)))"
+ line 409, "pan.___", state 160, "(1)"
+ line 652, "pan.___", state 213, "(1)"
+ line 175, "pan.___", state 222, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<0)))"
+ line 179, "pan.___", state 233, "(1)"
+ line 160, "pan.___", state 254, "(1)"
+ line 164, "pan.___", state 262, "(1)"
+ line 168, "pan.___", state 274, "(1)"
+ line 175, "pan.___", state 285, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<i)))"
+ line 179, "pan.___", state 294, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<i)))"
+ line 183, "pan.___", state 307, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<i)))"
+ line 160, "pan.___", state 317, "(1)"
+ line 164, "pan.___", state 325, "(1)"
+ line 168, "pan.___", state 337, "(1)"
+ line 175, "pan.___", state 352, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<0)))"
+ line 179, "pan.___", state 361, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<0)))"
+ line 183, "pan.___", state 374, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<0)))"
+ line 160, "pan.___", state 384, "(1)"
+ line 164, "pan.___", state 392, "(1)"
+ line 168, "pan.___", state 404, "(1)"
+ line 399, "pan.___", state 425, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<0)))"
+ line 403, "pan.___", state 441, "(1)"
+ line 408, "pan.___", state 457, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<0)))"
+ line 409, "pan.___", state 470, "(1)"
+ line 418, "pan.___", state 500, "(1)"
+ line 399, "pan.___", state 526, "(1)"
+ line 403, "pan.___", state 540, "(1)"
+ line 408, "pan.___", state 556, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<0)))"
+ line 418, "pan.___", state 599, "(1)"
+ line 403, "pan.___", state 640, "(1)"
+ line 408, "pan.___", state 656, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<0)))"
+ line 418, "pan.___", state 699, "(1)"
+ line 399, "pan.___", state 721, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<0)))"
+ line 399, "pan.___", state 723, "(1)"
+ line 399, "pan.___", state 724, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<0)))"
+ line 399, "pan.___", state 724, "else"
+ line 399, "pan.___", state 727, "(1)"
+ line 403, "pan.___", state 735, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<0)))"
+ line 403, "pan.___", state 737, "(1)"
+ line 403, "pan.___", state 738, "((cache_dirty_urcu_active_readers.bitfield&(1<<0)))"
+ line 403, "pan.___", state 738, "else"
+ line 403, "pan.___", state 741, "(1)"
+ line 403, "pan.___", state 742, "(1)"
+ line 403, "pan.___", state 742, "(1)"
+ line 401, "pan.___", state 747, "((i<1))"
+ line 401, "pan.___", state 747, "((i>=1))"
+ line 408, "pan.___", state 753, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<0)))"
+ line 409, "pan.___", state 766, "(1)"
+ line 409, "pan.___", state 767, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<0))))"
+ line 409, "pan.___", state 767, "else"
+ line 409, "pan.___", state 770, "(1)"
+ line 409, "pan.___", state 771, "(1)"
+ line 409, "pan.___", state 771, "(1)"
+ line 413, "pan.___", state 779, "(1)"
+ line 413, "pan.___", state 780, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<0))))"
+ line 413, "pan.___", state 780, "else"
+ line 413, "pan.___", state 783, "(1)"
+ line 413, "pan.___", state 784, "(1)"
+ line 413, "pan.___", state 784, "(1)"
+ line 411, "pan.___", state 789, "((i<1))"
+ line 411, "pan.___", state 789, "((i>=1))"
+ line 418, "pan.___", state 796, "(1)"
+ line 418, "pan.___", state 797, "(!((cache_dirty_generation_ptr.bitfield&(1<<0))))"
+ line 418, "pan.___", state 797, "else"
+ line 418, "pan.___", state 800, "(1)"
+ line 418, "pan.___", state 801, "(1)"
+ line 418, "pan.___", state 801, "(1)"
+ line 420, "pan.___", state 804, "(1)"
+ line 420, "pan.___", state 804, "(1)"
+ line 356, "pan.___", state 810, "((sighand_exec==1))"
+ line 356, "pan.___", state 810, "else"
+ line 362, "pan.___", state 813, "sighand_exec = 1"
+ line 399, "pan.___", state 826, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<0)))"
+ line 399, "pan.___", state 828, "(1)"
+ line 399, "pan.___", state 829, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<0)))"
+ line 399, "pan.___", state 829, "else"
+ line 399, "pan.___", state 832, "(1)"
+ line 403, "pan.___", state 840, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<0)))"
+ line 403, "pan.___", state 842, "(1)"
+ line 403, "pan.___", state 843, "((cache_dirty_urcu_active_readers.bitfield&(1<<0)))"
+ line 403, "pan.___", state 843, "else"
+ line 403, "pan.___", state 846, "(1)"
+ line 403, "pan.___", state 847, "(1)"
+ line 403, "pan.___", state 847, "(1)"
+ line 401, "pan.___", state 852, "((i<1))"
+ line 401, "pan.___", state 852, "((i>=1))"
+ line 408, "pan.___", state 858, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<0)))"
+ line 409, "pan.___", state 871, "(1)"
+ line 409, "pan.___", state 872, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<0))))"
+ line 409, "pan.___", state 872, "else"
+ line 409, "pan.___", state 875, "(1)"
+ line 409, "pan.___", state 876, "(1)"
+ line 409, "pan.___", state 876, "(1)"
+ line 413, "pan.___", state 884, "(1)"
+ line 413, "pan.___", state 885, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<0))))"
+ line 413, "pan.___", state 885, "else"
+ line 413, "pan.___", state 888, "(1)"
+ line 413, "pan.___", state 889, "(1)"
+ line 413, "pan.___", state 889, "(1)"
+ line 411, "pan.___", state 894, "((i<1))"
+ line 411, "pan.___", state 894, "((i>=1))"
+ line 418, "pan.___", state 901, "(1)"
+ line 418, "pan.___", state 902, "(!((cache_dirty_generation_ptr.bitfield&(1<<0))))"
+ line 418, "pan.___", state 902, "else"
+ line 418, "pan.___", state 905, "(1)"
+ line 418, "pan.___", state 906, "(1)"
+ line 418, "pan.___", state 906, "(1)"
+ line 420, "pan.___", state 909, "(1)"
+ line 420, "pan.___", state 909, "(1)"
+ line 362, "pan.___", state 918, "sighand_exec = 1"
+ line 403, "pan.___", state 949, "(1)"
+ line 408, "pan.___", state 965, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<0)))"
+ line 418, "pan.___", state 1008, "(1)"
+ line 403, "pan.___", state 1046, "(1)"
+ line 408, "pan.___", state 1062, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<0)))"
+ line 418, "pan.___", state 1105, "(1)"
+ line 399, "pan.___", state 1131, "(1)"
+ line 403, "pan.___", state 1145, "(1)"
+ line 408, "pan.___", state 1161, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<0)))"
+ line 418, "pan.___", state 1204, "(1)"
+ line 403, "pan.___", state 1245, "(1)"
+ line 408, "pan.___", state 1261, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<0)))"
+ line 418, "pan.___", state 1304, "(1)"
+ line 399, "pan.___", state 1326, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<0)))"
+ line 399, "pan.___", state 1328, "(1)"
+ line 399, "pan.___", state 1329, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<0)))"
+ line 399, "pan.___", state 1329, "else"
+ line 399, "pan.___", state 1332, "(1)"
+ line 403, "pan.___", state 1340, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<0)))"
+ line 403, "pan.___", state 1342, "(1)"
+ line 403, "pan.___", state 1343, "((cache_dirty_urcu_active_readers.bitfield&(1<<0)))"
+ line 403, "pan.___", state 1343, "else"
+ line 403, "pan.___", state 1346, "(1)"
+ line 403, "pan.___", state 1347, "(1)"
+ line 403, "pan.___", state 1347, "(1)"
+ line 401, "pan.___", state 1352, "((i<1))"
+ line 401, "pan.___", state 1352, "((i>=1))"
+ line 408, "pan.___", state 1358, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<0)))"
+ line 409, "pan.___", state 1371, "(1)"
+ line 409, "pan.___", state 1372, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<0))))"
+ line 409, "pan.___", state 1372, "else"
+ line 409, "pan.___", state 1375, "(1)"
+ line 409, "pan.___", state 1376, "(1)"
+ line 409, "pan.___", state 1376, "(1)"
+ line 413, "pan.___", state 1384, "(1)"
+ line 413, "pan.___", state 1385, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<0))))"
+ line 413, "pan.___", state 1385, "else"
+ line 413, "pan.___", state 1388, "(1)"
+ line 413, "pan.___", state 1389, "(1)"
+ line 413, "pan.___", state 1389, "(1)"
+ line 411, "pan.___", state 1394, "((i<1))"
+ line 411, "pan.___", state 1394, "((i>=1))"
+ line 418, "pan.___", state 1401, "(1)"
+ line 418, "pan.___", state 1402, "(!((cache_dirty_generation_ptr.bitfield&(1<<0))))"
+ line 418, "pan.___", state 1402, "else"
+ line 418, "pan.___", state 1405, "(1)"
+ line 418, "pan.___", state 1406, "(1)"
+ line 418, "pan.___", state 1406, "(1)"
+ line 420, "pan.___", state 1409, "(1)"
+ line 420, "pan.___", state 1409, "(1)"
+ line 356, "pan.___", state 1415, "((sighand_exec==1))"
+ line 356, "pan.___", state 1415, "else"
+ line 362, "pan.___", state 1418, "sighand_exec = 1"
+ line 399, "pan.___", state 1431, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<0)))"
+ line 399, "pan.___", state 1433, "(1)"
+ line 399, "pan.___", state 1434, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<0)))"
+ line 399, "pan.___", state 1434, "else"
+ line 399, "pan.___", state 1437, "(1)"
+ line 403, "pan.___", state 1445, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<0)))"
+ line 403, "pan.___", state 1447, "(1)"
+ line 403, "pan.___", state 1448, "((cache_dirty_urcu_active_readers.bitfield&(1<<0)))"
+ line 403, "pan.___", state 1448, "else"
+ line 403, "pan.___", state 1451, "(1)"
+ line 403, "pan.___", state 1452, "(1)"
+ line 403, "pan.___", state 1452, "(1)"
+ line 401, "pan.___", state 1457, "((i<1))"
+ line 401, "pan.___", state 1457, "((i>=1))"
+ line 408, "pan.___", state 1463, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<0)))"
+ line 409, "pan.___", state 1476, "(1)"
+ line 409, "pan.___", state 1477, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<0))))"
+ line 409, "pan.___", state 1477, "else"
+ line 409, "pan.___", state 1480, "(1)"
+ line 409, "pan.___", state 1481, "(1)"
+ line 409, "pan.___", state 1481, "(1)"
+ line 413, "pan.___", state 1489, "(1)"
+ line 413, "pan.___", state 1490, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<0))))"
+ line 413, "pan.___", state 1490, "else"
+ line 413, "pan.___", state 1493, "(1)"
+ line 413, "pan.___", state 1494, "(1)"
+ line 413, "pan.___", state 1494, "(1)"
+ line 411, "pan.___", state 1499, "((i<1))"
+ line 411, "pan.___", state 1499, "((i>=1))"
+ line 418, "pan.___", state 1506, "(1)"
+ line 418, "pan.___", state 1507, "(!((cache_dirty_generation_ptr.bitfield&(1<<0))))"
+ line 418, "pan.___", state 1507, "else"
+ line 418, "pan.___", state 1510, "(1)"
+ line 418, "pan.___", state 1511, "(1)"
+ line 418, "pan.___", state 1511, "(1)"
+ line 420, "pan.___", state 1514, "(1)"
+ line 420, "pan.___", state 1514, "(1)"
+ line 362, "pan.___", state 1523, "sighand_exec = 1"
+ line 179, "pan.___", state 1548, "(1)"
+ line 183, "pan.___", state 1559, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<0)))"
+ line 160, "pan.___", state 1569, "(1)"
+ line 164, "pan.___", state 1577, "(1)"
+ line 168, "pan.___", state 1589, "(1)"
+ line 175, "pan.___", state 1600, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<i)))"
+ line 179, "pan.___", state 1609, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<i)))"
+ line 183, "pan.___", state 1622, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<i)))"
+ line 160, "pan.___", state 1632, "(1)"
+ line 164, "pan.___", state 1640, "(1)"
+ line 168, "pan.___", state 1652, "(1)"
+ line 175, "pan.___", state 1667, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<0)))"
+ line 179, "pan.___", state 1676, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<0)))"
+ line 183, "pan.___", state 1689, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<0)))"
+ line 160, "pan.___", state 1699, "(1)"
+ line 164, "pan.___", state 1707, "(1)"
+ line 168, "pan.___", state 1719, "(1)"
+ line 702, "pan.___", state 1758, "-end-"
+ (173 of 1758 states)
+unreached in proctype :init:
+ (0 of 46 states)
+unreached in proctype :never:
+ line 750, "pan.___", state 11, "-end-"
+ (1 of 11 states)
+
+pan: elapsed time 0.89 seconds
+pan: rate 103932.58 states/second
+pan: avg transition delay 7.8297e-07 usec
+cp .input.spin urcu_progress_writer_error.spin.input
+cp .input.spin.trail urcu_progress_writer_error.spin.input.trail
+make[1]: Leaving directory `/home/compudj/doc/userspace-rcu/formal-model/urcu'
projects / urcu.git / blobdiff