make[1]: Entering directory `/home/compudj/doc/userspace-rcu/formal-model/urcu-controldataflow'
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 1273)
depth 23: Claim reached state 9 (line 1278)
depth 51: Claim reached state 9 (line 1277)
pan: acceptance cycle (at depth 1559)
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 enabled)
	invalid end states	- (disabled by never claim)

State-vector 88 byte, depth reached 4532, errors: 1
   437005 states, stored (735994 visited)
  5102692 states, matched
  5838686 transitions (= visited+matched)
 78711771 atomic steps
hash conflicts:    422011 (resolved)

Stats on memory usage (in Megabytes):
   48.344	equivalent memory usage for states (stored*(State-vector + overhead))
   37.421	actual memory usage for states (compression: 77.41%)
         	state-vector as stored = 62 byte + 28 byte overhead
    8.000	memory used for hash table (-w20)
  457.764	memory used for DFS stack (-m10000000)
  503.068	total actual memory usage

unreached in proctype urcu_reader
	line 263, "pan.___", state 30, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
	line 271, "pan.___", state 52, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
	line 275, "pan.___", state 61, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
	line 240, "pan.___", state 77, "(1)"
	line 244, "pan.___", state 85, "(1)"
	line 248, "pan.___", state 97, "(1)"
	line 252, "pan.___", state 105, "(1)"
	line 402, "pan.___", state 131, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
	line 411, "pan.___", state 163, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
	line 415, "pan.___", state 177, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
	line 240, "pan.___", state 195, "(1)"
	line 248, "pan.___", state 215, "(1)"
	line 252, "pan.___", state 223, "(1)"
	line 681, "pan.___", state 242, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<1))"
	line 402, "pan.___", state 249, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
	line 411, "pan.___", state 281, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
	line 415, "pan.___", state 295, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
	line 240, "pan.___", state 313, "(1)"
	line 248, "pan.___", state 333, "(1)"
	line 252, "pan.___", state 341, "(1)"
	line 402, "pan.___", state 360, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
	line 411, "pan.___", state 392, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
	line 415, "pan.___", state 406, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
	line 240, "pan.___", state 424, "(1)"
	line 248, "pan.___", state 444, "(1)"
	line 252, "pan.___", state 452, "(1)"
	line 402, "pan.___", state 473, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
	line 402, "pan.___", state 475, "(1)"
	line 402, "pan.___", state 476, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
	line 402, "pan.___", state 476, "else"
	line 402, "pan.___", state 479, "(1)"
	line 406, "pan.___", state 487, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
	line 406, "pan.___", state 489, "(1)"
	line 406, "pan.___", state 490, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
	line 406, "pan.___", state 490, "else"
	line 406, "pan.___", state 493, "(1)"
	line 406, "pan.___", state 494, "(1)"
	line 406, "pan.___", state 494, "(1)"
	line 404, "pan.___", state 499, "((i<1))"
	line 404, "pan.___", state 499, "((i>=1))"
	line 411, "pan.___", state 505, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
	line 411, "pan.___", state 507, "(1)"
	line 411, "pan.___", state 508, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
	line 411, "pan.___", state 508, "else"
	line 411, "pan.___", state 511, "(1)"
	line 411, "pan.___", state 512, "(1)"
	line 411, "pan.___", state 512, "(1)"
	line 415, "pan.___", state 519, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
	line 415, "pan.___", state 521, "(1)"
	line 415, "pan.___", state 522, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
	line 415, "pan.___", state 522, "else"
	line 415, "pan.___", state 525, "(1)"
	line 415, "pan.___", state 526, "(1)"
	line 415, "pan.___", state 526, "(1)"
	line 413, "pan.___", state 531, "((i<2))"
	line 413, "pan.___", state 531, "((i>=2))"
	line 240, "pan.___", state 537, "(1)"
	line 244, "pan.___", state 545, "(1)"
	line 244, "pan.___", state 546, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
	line 244, "pan.___", state 546, "else"
	line 242, "pan.___", state 551, "((i<1))"
	line 242, "pan.___", state 551, "((i>=1))"
	line 248, "pan.___", state 557, "(1)"
	line 248, "pan.___", state 558, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
	line 248, "pan.___", state 558, "else"
	line 252, "pan.___", state 565, "(1)"
	line 252, "pan.___", state 566, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
	line 252, "pan.___", state 566, "else"
	line 250, "pan.___", state 571, "((i<2))"
	line 250, "pan.___", state 571, "((i>=2))"
	line 257, "pan.___", state 575, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
	line 257, "pan.___", state 575, "else"
	line 422, "pan.___", state 577, "(1)"
	line 422, "pan.___", state 577, "(1)"
	line 681, "pan.___", state 580, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
	line 681, "pan.___", state 581, "_proc_urcu_reader = (_proc_urcu_reader|(1<<5))"
	line 681, "pan.___", state 582, "(1)"
	line 402, "pan.___", state 589, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
	line 411, "pan.___", state 621, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
	line 415, "pan.___", state 635, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
	line 240, "pan.___", state 653, "(1)"
	line 248, "pan.___", state 673, "(1)"
	line 252, "pan.___", state 681, "(1)"
	line 402, "pan.___", state 707, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
	line 402, "pan.___", state 709, "(1)"
	line 402, "pan.___", state 710, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
	line 402, "pan.___", state 710, "else"
	line 402, "pan.___", state 713, "(1)"
	line 406, "pan.___", state 721, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
	line 406, "pan.___", state 723, "(1)"
	line 406, "pan.___", state 724, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
	line 406, "pan.___", state 724, "else"
	line 406, "pan.___", state 727, "(1)"
	line 406, "pan.___", state 728, "(1)"
	line 406, "pan.___", state 728, "(1)"
	line 404, "pan.___", state 733, "((i<1))"
	line 404, "pan.___", state 733, "((i>=1))"
	line 411, "pan.___", state 739, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
	line 411, "pan.___", state 741, "(1)"
	line 411, "pan.___", state 742, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
	line 411, "pan.___", state 742, "else"
	line 411, "pan.___", state 745, "(1)"
	line 411, "pan.___", state 746, "(1)"
	line 411, "pan.___", state 746, "(1)"
	line 415, "pan.___", state 753, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
	line 415, "pan.___", state 755, "(1)"
	line 415, "pan.___", state 756, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
	line 415, "pan.___", state 756, "else"
	line 415, "pan.___", state 759, "(1)"
	line 415, "pan.___", state 760, "(1)"
	line 415, "pan.___", state 760, "(1)"
	line 413, "pan.___", state 765, "((i<2))"
	line 413, "pan.___", state 765, "((i>=2))"
	line 240, "pan.___", state 771, "(1)"
	line 244, "pan.___", state 779, "(1)"
	line 244, "pan.___", state 780, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
	line 244, "pan.___", state 780, "else"
	line 242, "pan.___", state 785, "((i<1))"
	line 242, "pan.___", state 785, "((i>=1))"
	line 248, "pan.___", state 791, "(1)"
	line 248, "pan.___", state 792, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
	line 248, "pan.___", state 792, "else"
	line 252, "pan.___", state 799, "(1)"
	line 252, "pan.___", state 800, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
	line 252, "pan.___", state 800, "else"
	line 257, "pan.___", state 809, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
	line 257, "pan.___", state 809, "else"
	line 422, "pan.___", state 811, "(1)"
	line 422, "pan.___", state 811, "(1)"
	line 402, "pan.___", state 818, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
	line 402, "pan.___", state 820, "(1)"
	line 402, "pan.___", state 821, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
	line 402, "pan.___", state 821, "else"
	line 402, "pan.___", state 824, "(1)"
	line 406, "pan.___", state 832, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
	line 406, "pan.___", state 834, "(1)"
	line 406, "pan.___", state 835, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
	line 406, "pan.___", state 835, "else"
	line 406, "pan.___", state 838, "(1)"
	line 406, "pan.___", state 839, "(1)"
	line 406, "pan.___", state 839, "(1)"
	line 404, "pan.___", state 844, "((i<1))"
	line 404, "pan.___", state 844, "((i>=1))"
	line 411, "pan.___", state 850, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
	line 411, "pan.___", state 852, "(1)"
	line 411, "pan.___", state 853, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
	line 411, "pan.___", state 853, "else"
	line 411, "pan.___", state 856, "(1)"
	line 411, "pan.___", state 857, "(1)"
	line 411, "pan.___", state 857, "(1)"
	line 415, "pan.___", state 864, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
	line 415, "pan.___", state 866, "(1)"
	line 415, "pan.___", state 867, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
	line 415, "pan.___", state 867, "else"
	line 415, "pan.___", state 870, "(1)"
	line 415, "pan.___", state 871, "(1)"
	line 415, "pan.___", state 871, "(1)"
	line 413, "pan.___", state 876, "((i<2))"
	line 413, "pan.___", state 876, "((i>=2))"
	line 240, "pan.___", state 882, "(1)"
	line 244, "pan.___", state 890, "(1)"
	line 244, "pan.___", state 891, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
	line 244, "pan.___", state 891, "else"
	line 242, "pan.___", state 896, "((i<1))"
	line 242, "pan.___", state 896, "((i>=1))"
	line 248, "pan.___", state 902, "(1)"
	line 248, "pan.___", state 903, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
	line 248, "pan.___", state 903, "else"
	line 252, "pan.___", state 910, "(1)"
	line 252, "pan.___", state 911, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
	line 252, "pan.___", state 911, "else"
	line 250, "pan.___", state 916, "((i<2))"
	line 250, "pan.___", state 916, "((i>=2))"
	line 257, "pan.___", state 920, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
	line 257, "pan.___", state 920, "else"
	line 422, "pan.___", state 922, "(1)"
	line 422, "pan.___", state 922, "(1)"
	line 689, "pan.___", state 926, "_proc_urcu_reader = (_proc_urcu_reader|(1<<11))"
	line 402, "pan.___", state 931, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
	line 411, "pan.___", state 963, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
	line 415, "pan.___", state 977, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
	line 240, "pan.___", state 995, "(1)"
	line 248, "pan.___", state 1015, "(1)"
	line 252, "pan.___", state 1023, "(1)"
	line 402, "pan.___", state 1045, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
	line 411, "pan.___", state 1077, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
	line 415, "pan.___", state 1091, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
	line 240, "pan.___", state 1109, "(1)"
	line 248, "pan.___", state 1129, "(1)"
	line 252, "pan.___", state 1137, "(1)"
	line 402, "pan.___", state 1160, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
	line 411, "pan.___", state 1192, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
	line 415, "pan.___", state 1206, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
	line 240, "pan.___", state 1224, "(1)"
	line 248, "pan.___", state 1244, "(1)"
	line 252, "pan.___", state 1252, "(1)"
	line 402, "pan.___", state 1271, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
	line 411, "pan.___", state 1303, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
	line 415, "pan.___", state 1317, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
	line 240, "pan.___", state 1335, "(1)"
	line 248, "pan.___", state 1355, "(1)"
	line 252, "pan.___", state 1363, "(1)"
	line 402, "pan.___", state 1387, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
	line 411, "pan.___", state 1419, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
	line 415, "pan.___", state 1433, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
	line 240, "pan.___", state 1451, "(1)"
	line 248, "pan.___", state 1471, "(1)"
	line 252, "pan.___", state 1479, "(1)"
	line 402, "pan.___", state 1498, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
	line 411, "pan.___", state 1530, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
	line 415, "pan.___", state 1544, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
	line 240, "pan.___", state 1562, "(1)"
	line 248, "pan.___", state 1582, "(1)"
	line 252, "pan.___", state 1590, "(1)"
	line 402, "pan.___", state 1612, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
	line 411, "pan.___", state 1644, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
	line 415, "pan.___", state 1658, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
	line 240, "pan.___", state 1676, "(1)"
	line 248, "pan.___", state 1696, "(1)"
	line 252, "pan.___", state 1704, "(1)"
	line 728, "pan.___", state 1723, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<19))"
	line 402, "pan.___", state 1730, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
	line 411, "pan.___", state 1762, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
	line 415, "pan.___", state 1776, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
	line 240, "pan.___", state 1794, "(1)"
	line 248, "pan.___", state 1814, "(1)"
	line 252, "pan.___", state 1822, "(1)"
	line 402, "pan.___", state 1841, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
	line 411, "pan.___", state 1873, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
	line 415, "pan.___", state 1887, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
	line 240, "pan.___", state 1905, "(1)"
	line 248, "pan.___", state 1925, "(1)"
	line 252, "pan.___", state 1933, "(1)"
	line 402, "pan.___", state 1954, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
	line 402, "pan.___", state 1956, "(1)"
	line 402, "pan.___", state 1957, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
	line 402, "pan.___", state 1957, "else"
	line 402, "pan.___", state 1960, "(1)"
	line 406, "pan.___", state 1968, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
	line 406, "pan.___", state 1970, "(1)"
	line 406, "pan.___", state 1971, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
	line 406, "pan.___", state 1971, "else"
	line 406, "pan.___", state 1974, "(1)"
	line 406, "pan.___", state 1975, "(1)"
	line 406, "pan.___", state 1975, "(1)"
	line 404, "pan.___", state 1980, "((i<1))"
	line 404, "pan.___", state 1980, "((i>=1))"
	line 411, "pan.___", state 1986, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
	line 411, "pan.___", state 1988, "(1)"
	line 411, "pan.___", state 1989, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
	line 411, "pan.___", state 1989, "else"
	line 411, "pan.___", state 1992, "(1)"
	line 411, "pan.___", state 1993, "(1)"
	line 411, "pan.___", state 1993, "(1)"
	line 415, "pan.___", state 2000, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
	line 415, "pan.___", state 2002, "(1)"
	line 415, "pan.___", state 2003, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
	line 415, "pan.___", state 2003, "else"
	line 415, "pan.___", state 2006, "(1)"
	line 415, "pan.___", state 2007, "(1)"
	line 415, "pan.___", state 2007, "(1)"
	line 413, "pan.___", state 2012, "((i<2))"
	line 413, "pan.___", state 2012, "((i>=2))"
	line 240, "pan.___", state 2018, "(1)"
	line 244, "pan.___", state 2026, "(1)"
	line 244, "pan.___", state 2027, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
	line 244, "pan.___", state 2027, "else"
	line 242, "pan.___", state 2032, "((i<1))"
	line 242, "pan.___", state 2032, "((i>=1))"
	line 248, "pan.___", state 2038, "(1)"
	line 248, "pan.___", state 2039, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
	line 248, "pan.___", state 2039, "else"
	line 252, "pan.___", state 2046, "(1)"
	line 252, "pan.___", state 2047, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
	line 252, "pan.___", state 2047, "else"
	line 250, "pan.___", state 2052, "((i<2))"
	line 250, "pan.___", state 2052, "((i>=2))"
	line 257, "pan.___", state 2056, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
	line 257, "pan.___", state 2056, "else"
	line 422, "pan.___", state 2058, "(1)"
	line 422, "pan.___", state 2058, "(1)"
	line 728, "pan.___", state 2061, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
	line 728, "pan.___", state 2062, "_proc_urcu_reader = (_proc_urcu_reader|(1<<23))"
	line 728, "pan.___", state 2063, "(1)"
	line 402, "pan.___", state 2070, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
	line 411, "pan.___", state 2102, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
	line 415, "pan.___", state 2116, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
	line 240, "pan.___", state 2134, "(1)"
	line 248, "pan.___", state 2154, "(1)"
	line 252, "pan.___", state 2162, "(1)"
	line 402, "pan.___", state 2187, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
	line 411, "pan.___", state 2219, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
	line 415, "pan.___", state 2233, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
	line 240, "pan.___", state 2251, "(1)"
	line 248, "pan.___", state 2271, "(1)"
	line 252, "pan.___", state 2279, "(1)"
	line 402, "pan.___", state 2298, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
	line 411, "pan.___", state 2330, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
	line 415, "pan.___", state 2344, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
	line 240, "pan.___", state 2362, "(1)"
	line 248, "pan.___", state 2382, "(1)"
	line 252, "pan.___", state 2390, "(1)"
	line 240, "pan.___", state 2421, "(1)"
	line 248, "pan.___", state 2441, "(1)"
	line 252, "pan.___", state 2449, "(1)"
	line 240, "pan.___", state 2464, "(1)"
	line 248, "pan.___", state 2484, "(1)"
	line 252, "pan.___", state 2492, "(1)"
	line 888, "pan.___", state 2509, "-end-"
	(246 of 2509 states)
unreached in proctype urcu_writer
	line 402, "pan.___", state 18, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
	line 406, "pan.___", state 32, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
	line 411, "pan.___", state 50, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
	line 240, "pan.___", state 82, "(1)"
	line 244, "pan.___", state 90, "(1)"
	line 248, "pan.___", state 102, "(1)"
	line 263, "pan.___", state 131, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
	line 267, "pan.___", state 140, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
	line 271, "pan.___", state 153, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
	line 402, "pan.___", state 193, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
	line 406, "pan.___", state 207, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
	line 411, "pan.___", state 225, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
	line 415, "pan.___", state 239, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
	line 240, "pan.___", state 257, "(1)"
	line 244, "pan.___", state 265, "(1)"
	line 248, "pan.___", state 277, "(1)"
	line 252, "pan.___", state 285, "(1)"
	line 406, "pan.___", state 320, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
	line 411, "pan.___", state 338, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
	line 415, "pan.___", state 352, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
	line 244, "pan.___", state 378, "(1)"
	line 248, "pan.___", state 390, "(1)"
	line 252, "pan.___", state 398, "(1)"
	line 402, "pan.___", state 423, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
	line 402, "pan.___", state 425, "(1)"
	line 402, "pan.___", state 426, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
	line 402, "pan.___", state 426, "else"
	line 402, "pan.___", state 429, "(1)"
	line 406, "pan.___", state 437, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
	line 406, "pan.___", state 439, "(1)"
	line 406, "pan.___", state 440, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
	line 406, "pan.___", state 440, "else"
	line 406, "pan.___", state 443, "(1)"
	line 406, "pan.___", state 444, "(1)"
	line 406, "pan.___", state 444, "(1)"
	line 404, "pan.___", state 449, "((i<1))"
	line 404, "pan.___", state 449, "((i>=1))"
	line 411, "pan.___", state 455, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
	line 411, "pan.___", state 457, "(1)"
	line 411, "pan.___", state 458, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
	line 411, "pan.___", state 458, "else"
	line 411, "pan.___", state 461, "(1)"
	line 411, "pan.___", state 462, "(1)"
	line 411, "pan.___", state 462, "(1)"
	line 415, "pan.___", state 469, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
	line 415, "pan.___", state 471, "(1)"
	line 415, "pan.___", state 472, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
	line 415, "pan.___", state 472, "else"
	line 415, "pan.___", state 475, "(1)"
	line 415, "pan.___", state 476, "(1)"
	line 415, "pan.___", state 476, "(1)"
	line 413, "pan.___", state 481, "((i<2))"
	line 413, "pan.___", state 481, "((i>=2))"
	line 240, "pan.___", state 487, "(1)"
	line 244, "pan.___", state 495, "(1)"
	line 244, "pan.___", state 496, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
	line 244, "pan.___", state 496, "else"
	line 242, "pan.___", state 501, "((i<1))"
	line 242, "pan.___", state 501, "((i>=1))"
	line 248, "pan.___", state 507, "(1)"
	line 248, "pan.___", state 508, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
	line 248, "pan.___", state 508, "else"
	line 252, "pan.___", state 515, "(1)"
	line 252, "pan.___", state 516, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
	line 252, "pan.___", state 516, "else"
	line 257, "pan.___", state 525, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
	line 257, "pan.___", state 525, "else"
	line 422, "pan.___", state 527, "(1)"
	line 422, "pan.___", state 527, "(1)"
	line 406, "pan.___", state 547, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
	line 411, "pan.___", state 565, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
	line 415, "pan.___", state 579, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
	line 244, "pan.___", state 605, "(1)"
	line 248, "pan.___", state 617, "(1)"
	line 252, "pan.___", state 625, "(1)"
	line 406, "pan.___", state 658, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
	line 411, "pan.___", state 676, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
	line 415, "pan.___", state 690, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
	line 244, "pan.___", state 716, "(1)"
	line 248, "pan.___", state 728, "(1)"
	line 252, "pan.___", state 736, "(1)"
	line 406, "pan.___", state 771, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
	line 411, "pan.___", state 789, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
	line 415, "pan.___", state 803, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
	line 244, "pan.___", state 829, "(1)"
	line 248, "pan.___", state 841, "(1)"
	line 252, "pan.___", state 849, "(1)"
	line 406, "pan.___", state 887, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
	line 411, "pan.___", state 905, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
	line 415, "pan.___", state 919, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
	line 244, "pan.___", state 945, "(1)"
	line 248, "pan.___", state 957, "(1)"
	line 252, "pan.___", state 965, "(1)"
	line 263, "pan.___", state 1009, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
	line 267, "pan.___", state 1018, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
	line 271, "pan.___", state 1033, "(1)"
	line 275, "pan.___", state 1040, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
	line 240, "pan.___", state 1056, "(1)"
	line 244, "pan.___", state 1064, "(1)"
	line 248, "pan.___", state 1076, "(1)"
	line 252, "pan.___", state 1084, "(1)"
	line 263, "pan.___", state 1115, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
	line 267, "pan.___", state 1124, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
	line 271, "pan.___", state 1137, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
	line 275, "pan.___", state 1146, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
	line 240, "pan.___", state 1162, "(1)"
	line 244, "pan.___", state 1170, "(1)"
	line 248, "pan.___", state 1182, "(1)"
	line 252, "pan.___", state 1190, "(1)"
	line 267, "pan.___", state 1216, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
	line 271, "pan.___", state 1229, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
	line 275, "pan.___", state 1238, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
	line 240, "pan.___", state 1254, "(1)"
	line 244, "pan.___", state 1262, "(1)"
	line 248, "pan.___", state 1274, "(1)"
	line 252, "pan.___", state 1282, "(1)"
	line 263, "pan.___", state 1313, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
	line 267, "pan.___", state 1322, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
	line 271, "pan.___", state 1335, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
	line 275, "pan.___", state 1344, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
	line 240, "pan.___", state 1360, "(1)"
	line 244, "pan.___", state 1368, "(1)"
	line 248, "pan.___", state 1380, "(1)"
	line 252, "pan.___", state 1388, "(1)"
	line 1215, "pan.___", state 1404, "-end-"
	(110 of 1404 states)
unreached in proctype :init:
	(0 of 78 states)
unreached in proctype :never:
	line 1280, "pan.___", state 11, "-end-"
	(1 of 11 states)

pan: elapsed time 14.8 seconds
pan: rate 49695.746 states/second
pan: avg transition delay 2.5365e-06 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-controldataflow'