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) Depth= 10656 States= 1e+06 Transitions= 8.86e+06 Memory= 534.807 t= 7.38 R= 1e+05 Depth= 35214 States= 2e+06 Transitions= 1.82e+07 Memory= 603.557 t= 15.5 R= 1e+05 Depth= 35214 States= 3e+06 Transitions= 2.73e+07 Memory= 672.209 t= 23.8 R= 1e+05 pan: resizing hashtable to -w22.. done Depth= 35214 States= 4e+06 Transitions= 4.08e+07 Memory= 771.885 t= 35.9 R= 1e+05 pan: claim violated! (at depth 1650) 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 64 byte, depth reached 35214, errors: 1 4154272 states, stored 38595853 states, matched 42750125 transitions (= stored+matched) 1.4058824e+08 atomic steps hash conflicts: 21492325 (resolved) Stats on memory usage (in Megabytes): 364.488 equivalent memory usage for states (stored*(State-vector + overhead)) 292.863 actual memory usage for states (compression: 80.35%) state-vector as stored = 46 byte + 28 byte overhead 32.000 memory used for hash table (-w22) 457.764 memory used for DFS stack (-m10000000) 782.529 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<2)) -> (0) : (1) ))))" line 408, "pan.___", state 48, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" line 409, "pan.___", state 61, "(1)" line 418, "pan.___", state 91, "(1)" line 399, "pan.___", state 113, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" line 408, "pan.___", state 145, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" line 409, "pan.___", state 158, "(1)" line 418, "pan.___", state 188, "(1)" line 399, "pan.___", state 211, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" line 403, "pan.___", state 227, "(1)" line 408, "pan.___", state 243, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" line 409, "pan.___", state 256, "(1)" line 418, "pan.___", state 286, "(1)" line 399, "pan.___", state 350, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" line 403, "pan.___", state 366, "(1)" line 408, "pan.___", state 382, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" line 409, "pan.___", state 395, "(1)" line 418, "pan.___", state 425, "(1)" line 540, "pan.___", state 456, "-end-" (19 of 456 states) unreached in proctype urcu_reader_sig line 399, "pan.___", state 25, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" line 408, "pan.___", state 57, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" line 409, "pan.___", state 70, "(1)" line 418, "pan.___", state 100, "(1)" line 399, "pan.___", state 113, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" line 408, "pan.___", state 145, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" line 409, "pan.___", state 158, "(1)" line 418, "pan.___", state 188, "(1)" line 399, "pan.___", state 202, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" line 408, "pan.___", state 234, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" line 409, "pan.___", state 247, "(1)" line 418, "pan.___", state 277, "(1)" line 399, "pan.___", state 314, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" line 403, "pan.___", state 330, "(1)" line 408, "pan.___", state 346, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" line 409, "pan.___", state 359, "(1)" line 418, "pan.___", state 389, "(1)" line 614, "pan.___", state 411, "-end-" (18 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<<( ((_pid<2)) -> (0) : (1) ))))" 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<2)) -> (0) : (1) ))))" 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<2)) -> (0) : (1) ))))" line 409, "pan.___", state 59, "(1)" line 409, "pan.___", state 60, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<( ((_pid<2)) -> (0) : (1) )))))" 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<2)) -> (0) : (1) )))))" 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<2)) -> (0) : (1) )))))" 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<2)) ? (0) : (1) )] = (old_gen+1)" line 637, "pan.___", state 104, "old_gen = cached_generation_ptr.val[( ((_pid<2)) ? (0) : (1) )]" line 399, "pan.___", state 108, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" 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<2)) -> (0) : (1) ))))" 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<2)) -> (0) : (1) )))))" 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<2)) -> (0) : (1) )))))" 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<2)) -> (0) : (1) )))))" 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<2)) -> (0) : (1) )))))" 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<2)) -> (0) : (1) )))))" 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<2)) -> (0) : (1) ))))" line 403, "pan.___", state 325, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" line 408, "pan.___", state 343, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" 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<2)) -> (0) : (1) ))))" line 408, "pan.___", state 435, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" 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<2)) -> (0) : (1) ))))" line 408, "pan.___", state 528, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" 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<2)) -> (0) : (1) ))))" line 399, "pan.___", state 698, "(1)" line 399, "pan.___", state 699, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<( ((_pid<2)) -> (0) : (1) ))))" 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<2)) -> (0) : (1) ))))" line 403, "pan.___", state 712, "(1)" line 403, "pan.___", state 713, "((cache_dirty_urcu_active_readers.bitfield&(1<<( ((_pid<2)) -> (0) : (1) ))))" 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<2)) -> (0) : (1) ))))" line 409, "pan.___", state 741, "(1)" line 409, "pan.___", state 742, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<( ((_pid<2)) -> (0) : (1) )))))" 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<2)) -> (0) : (1) )))))" 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<2)) -> (0) : (1) )))))" 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<2)) -> (0) : (1) ))))" line 408, "pan.___", state 828, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" 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<2)) -> (0) : (1) ))))" line 408, "pan.___", state 918, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" 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<2)) -> (0) : (1) ))))" line 408, "pan.___", state 1010, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" 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<2)) -> (0) : (1) ))))" line 408, "pan.___", state 1103, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<( ((_pid<2)) -> (0) : (1) ))))" 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<2)) -> (0) : (1) ))))" line 399, "pan.___", state 1273, "(1)" line 399, "pan.___", state 1274, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<( ((_pid<2)) -> (0) : (1) ))))" 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<2)) -> (0) : (1) ))))" line 403, "pan.___", state 1287, "(1)" line 403, "pan.___", state 1288, "((cache_dirty_urcu_active_readers.bitfield&(1<<( ((_pid<2)) -> (0) : (1) ))))" 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<2)) -> (0) : (1) ))))" line 409, "pan.___", state 1316, "(1)" line 409, "pan.___", state 1317, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<( ((_pid<2)) -> (0) : (1) )))))" 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<2)) -> (0) : (1) )))))" 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<2)) -> (0) : (1) )))))" 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 37.6 seconds pan: rate 110515.35 states/second pan: avg transition delay 8.793e-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'