make[1]: Entering directory `/home/compudj/doc/userspace-rcu/formal-model/urcu-controldataflow-min-progress'
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
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 -DCOLLAPSE -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 1178)
Depth=    3880 States=    1e+06 Transitions= 2.74e+08 Memory=   512.932	t=    435 R=   2e+03
Depth=    3880 States=    2e+06 Transitions= 5.69e+08 Memory=   559.318	t=    929 R=   2e+03

(Spin Version 5.1.7 -- 23 December 2008)
	+ Partial Order Reduction
	+ Compression

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 80 byte, depth reached 3880, errors: 0
  2668047 states, stored
7.3167024e+08 states, matched
7.3433829e+08 transitions (= stored+matched)
4.2954757e+09 atomic steps
hash conflicts: 4.8818996e+08 (resolved)

Stats on memory usage (in Megabytes):
  295.156	equivalent memory usage for states (stored*(State-vector + overhead))
  124.292	actual memory usage for states (compression: 42.11%)
         	state-vector as stored = 13 byte + 36 byte overhead
    8.000	memory used for hash table (-w20)
  457.764	memory used for DFS stack (-m10000000)
  589.983	total actual memory usage

nr of templates: [ globals chans procs ]
collapse counts: [ 25912 2128 1970 2 1 ]
unreached in proctype urcu_reader
	line 267, "pan.___", state 55, "cache_dirty_urcu_gp_ctr = 0"
	line 275, "pan.___", state 77, "cache_dirty_rcu_ptr = 0"
	line 279, "pan.___", state 86, "cache_dirty_rcu_data[i] = 0"
	line 244, "pan.___", state 102, "(1)"
	line 248, "pan.___", state 110, "(1)"
	line 252, "pan.___", state 122, "(1)"
	line 256, "pan.___", state 130, "(1)"
	line 403, "pan.___", state 156, "cache_dirty_urcu_gp_ctr = 0"
	line 412, "pan.___", state 188, "cache_dirty_rcu_ptr = 0"
	line 416, "pan.___", state 202, "cache_dirty_rcu_data[i] = 0"
	line 421, "pan.___", state 221, "(1)"
	line 430, "pan.___", state 251, "(1)"
	line 434, "pan.___", state 264, "(1)"
	line 613, "pan.___", state 285, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<1))"
	line 403, "pan.___", state 292, "cache_dirty_urcu_gp_ctr = 0"
	line 412, "pan.___", state 324, "cache_dirty_rcu_ptr = 0"
	line 416, "pan.___", state 338, "cache_dirty_rcu_data[i] = 0"
	line 421, "pan.___", state 357, "(1)"
	line 430, "pan.___", state 387, "(1)"
	line 434, "pan.___", state 400, "(1)"
	line 403, "pan.___", state 421, "cache_dirty_urcu_gp_ctr = 0"
	line 412, "pan.___", state 453, "cache_dirty_rcu_ptr = 0"
	line 416, "pan.___", state 467, "cache_dirty_rcu_data[i] = 0"
	line 421, "pan.___", state 486, "(1)"
	line 430, "pan.___", state 516, "(1)"
	line 434, "pan.___", state 529, "(1)"
	line 403, "pan.___", state 552, "cache_dirty_urcu_gp_ctr = 0"
	line 403, "pan.___", state 554, "(1)"
	line 403, "pan.___", state 555, "(cache_dirty_urcu_gp_ctr)"
	line 403, "pan.___", state 555, "else"
	line 403, "pan.___", state 558, "(1)"
	line 407, "pan.___", state 566, "cache_dirty_urcu_active_readers = 0"
	line 407, "pan.___", state 568, "(1)"
	line 407, "pan.___", state 569, "(cache_dirty_urcu_active_readers)"
	line 407, "pan.___", state 569, "else"
	line 407, "pan.___", state 572, "(1)"
	line 407, "pan.___", state 573, "(1)"
	line 407, "pan.___", state 573, "(1)"
	line 405, "pan.___", state 578, "((i<1))"
	line 405, "pan.___", state 578, "((i>=1))"
	line 412, "pan.___", state 584, "cache_dirty_rcu_ptr = 0"
	line 412, "pan.___", state 586, "(1)"
	line 412, "pan.___", state 587, "(cache_dirty_rcu_ptr)"
	line 412, "pan.___", state 587, "else"
	line 412, "pan.___", state 590, "(1)"
	line 412, "pan.___", state 591, "(1)"
	line 412, "pan.___", state 591, "(1)"
	line 416, "pan.___", state 598, "cache_dirty_rcu_data[i] = 0"
	line 416, "pan.___", state 600, "(1)"
	line 416, "pan.___", state 601, "(cache_dirty_rcu_data[i])"
	line 416, "pan.___", state 601, "else"
	line 416, "pan.___", state 604, "(1)"
	line 416, "pan.___", state 605, "(1)"
	line 416, "pan.___", state 605, "(1)"
	line 414, "pan.___", state 610, "((i<2))"
	line 414, "pan.___", state 610, "((i>=2))"
	line 421, "pan.___", state 617, "(1)"
	line 421, "pan.___", state 618, "(!(cache_dirty_urcu_gp_ctr))"
	line 421, "pan.___", state 618, "else"
	line 421, "pan.___", state 621, "(1)"
	line 421, "pan.___", state 622, "(1)"
	line 421, "pan.___", state 622, "(1)"
	line 425, "pan.___", state 630, "(1)"
	line 425, "pan.___", state 631, "(!(cache_dirty_urcu_active_readers))"
	line 425, "pan.___", state 631, "else"
	line 425, "pan.___", state 634, "(1)"
	line 425, "pan.___", state 635, "(1)"
	line 425, "pan.___", state 635, "(1)"
	line 423, "pan.___", state 640, "((i<1))"
	line 423, "pan.___", state 640, "((i>=1))"
	line 430, "pan.___", state 647, "(1)"
	line 430, "pan.___", state 648, "(!(cache_dirty_rcu_ptr))"
	line 430, "pan.___", state 648, "else"
	line 430, "pan.___", state 651, "(1)"
	line 430, "pan.___", state 652, "(1)"
	line 430, "pan.___", state 652, "(1)"
	line 434, "pan.___", state 660, "(1)"
	line 434, "pan.___", state 661, "(!(cache_dirty_rcu_data[i]))"
	line 434, "pan.___", state 661, "else"
	line 434, "pan.___", state 664, "(1)"
	line 434, "pan.___", state 665, "(1)"
	line 434, "pan.___", state 665, "(1)"
	line 432, "pan.___", state 670, "((i<2))"
	line 432, "pan.___", state 670, "((i>=2))"
	line 442, "pan.___", state 674, "(1)"
	line 442, "pan.___", state 674, "(1)"
	line 613, "pan.___", state 677, "cached_urcu_active_readers = (tmp+1)"
	line 613, "pan.___", state 678, "_proc_urcu_reader = (_proc_urcu_reader|(1<<5))"
	line 613, "pan.___", state 679, "(1)"
	line 403, "pan.___", state 686, "cache_dirty_urcu_gp_ctr = 0"
	line 412, "pan.___", state 718, "cache_dirty_rcu_ptr = 0"
	line 416, "pan.___", state 732, "cache_dirty_rcu_data[i] = 0"
	line 421, "pan.___", state 751, "(1)"
	line 430, "pan.___", state 781, "(1)"
	line 434, "pan.___", state 794, "(1)"
	line 403, "pan.___", state 821, "cache_dirty_urcu_gp_ctr = 0"
	line 412, "pan.___", state 853, "cache_dirty_rcu_ptr = 0"
	line 416, "pan.___", state 867, "cache_dirty_rcu_data[i] = 0"
	line 421, "pan.___", state 886, "(1)"
	line 430, "pan.___", state 916, "(1)"
	line 434, "pan.___", state 929, "(1)"
	line 403, "pan.___", state 950, "cache_dirty_urcu_gp_ctr = 0"
	line 412, "pan.___", state 982, "cache_dirty_rcu_ptr = 0"
	line 416, "pan.___", state 996, "cache_dirty_rcu_data[i] = 0"
	line 421, "pan.___", state 1015, "(1)"
	line 430, "pan.___", state 1045, "(1)"
	line 434, "pan.___", state 1058, "(1)"
	line 244, "pan.___", state 1091, "(1)"
	line 252, "pan.___", state 1111, "(1)"
	line 256, "pan.___", state 1119, "(1)"
	line 747, "pan.___", state 1136, "-end-"
	(91 of 1136 states)
unreached in proctype urcu_writer
	line 403, "pan.___", state 45, "cache_dirty_urcu_gp_ctr = 0"
	line 407, "pan.___", state 59, "cache_dirty_urcu_active_readers = 0"
	line 412, "pan.___", state 77, "cache_dirty_rcu_ptr = 0"
	line 421, "pan.___", state 110, "(1)"
	line 425, "pan.___", state 123, "(1)"
	line 430, "pan.___", state 140, "(1)"
	line 267, "pan.___", state 176, "cache_dirty_urcu_gp_ctr = 0"
	line 271, "pan.___", state 185, "cache_dirty_urcu_active_readers = 0"
	line 275, "pan.___", state 198, "cache_dirty_rcu_ptr = 0"
	line 403, "pan.___", state 238, "cache_dirty_urcu_gp_ctr = 0"
	line 407, "pan.___", state 252, "cache_dirty_urcu_active_readers = 0"
	line 412, "pan.___", state 270, "cache_dirty_rcu_ptr = 0"
	line 416, "pan.___", state 284, "cache_dirty_rcu_data[i] = 0"
	line 421, "pan.___", state 303, "(1)"
	line 425, "pan.___", state 316, "(1)"
	line 430, "pan.___", state 333, "(1)"
	line 434, "pan.___", state 346, "(1)"
	line 407, "pan.___", state 383, "cache_dirty_urcu_active_readers = 0"
	line 412, "pan.___", state 401, "cache_dirty_rcu_ptr = 0"
	line 416, "pan.___", state 415, "cache_dirty_rcu_data[i] = 0"
	line 425, "pan.___", state 447, "(1)"
	line 430, "pan.___", state 464, "(1)"
	line 434, "pan.___", state 477, "(1)"
	line 407, "pan.___", state 522, "cache_dirty_urcu_active_readers = 0"
	line 412, "pan.___", state 540, "cache_dirty_rcu_ptr = 0"
	line 416, "pan.___", state 554, "cache_dirty_rcu_data[i] = 0"
	line 425, "pan.___", state 586, "(1)"
	line 430, "pan.___", state 603, "(1)"
	line 434, "pan.___", state 616, "(1)"
	line 407, "pan.___", state 651, "cache_dirty_urcu_active_readers = 0"
	line 412, "pan.___", state 669, "cache_dirty_rcu_ptr = 0"
	line 416, "pan.___", state 683, "cache_dirty_rcu_data[i] = 0"
	line 425, "pan.___", state 715, "(1)"
	line 430, "pan.___", state 732, "(1)"
	line 434, "pan.___", state 745, "(1)"
	line 407, "pan.___", state 782, "cache_dirty_urcu_active_readers = 0"
	line 412, "pan.___", state 800, "cache_dirty_rcu_ptr = 0"
	line 416, "pan.___", state 814, "cache_dirty_rcu_data[i] = 0"
	line 425, "pan.___", state 846, "(1)"
	line 430, "pan.___", state 863, "(1)"
	line 434, "pan.___", state 876, "(1)"
	line 267, "pan.___", state 931, "cache_dirty_urcu_gp_ctr = 0"
	line 271, "pan.___", state 940, "cache_dirty_urcu_active_readers = 0"
	line 275, "pan.___", state 955, "(1)"
	line 279, "pan.___", state 962, "cache_dirty_rcu_data[i] = 0"
	line 244, "pan.___", state 978, "(1)"
	line 248, "pan.___", state 986, "(1)"
	line 252, "pan.___", state 998, "(1)"
	line 256, "pan.___", state 1006, "(1)"
	line 267, "pan.___", state 1037, "cache_dirty_urcu_gp_ctr = 0"
	line 271, "pan.___", state 1046, "cache_dirty_urcu_active_readers = 0"
	line 275, "pan.___", state 1059, "cache_dirty_rcu_ptr = 0"
	line 279, "pan.___", state 1068, "cache_dirty_rcu_data[i] = 0"
	line 244, "pan.___", state 1084, "(1)"
	line 248, "pan.___", state 1092, "(1)"
	line 252, "pan.___", state 1104, "(1)"
	line 256, "pan.___", state 1112, "(1)"
	line 271, "pan.___", state 1138, "cache_dirty_urcu_active_readers = 0"
	line 275, "pan.___", state 1151, "cache_dirty_rcu_ptr = 0"
	line 279, "pan.___", state 1160, "cache_dirty_rcu_data[i] = 0"
	line 244, "pan.___", state 1176, "(1)"
	line 248, "pan.___", state 1184, "(1)"
	line 252, "pan.___", state 1196, "(1)"
	line 256, "pan.___", state 1204, "(1)"
	line 267, "pan.___", state 1235, "cache_dirty_urcu_gp_ctr = 0"
	line 271, "pan.___", state 1244, "cache_dirty_urcu_active_readers = 0"
	line 275, "pan.___", state 1257, "cache_dirty_rcu_ptr = 0"
	line 279, "pan.___", state 1266, "cache_dirty_rcu_data[i] = 0"
	line 244, "pan.___", state 1282, "(1)"
	line 248, "pan.___", state 1290, "(1)"
	line 252, "pan.___", state 1302, "(1)"
	line 256, "pan.___", state 1310, "(1)"
	line 271, "pan.___", state 1336, "cache_dirty_urcu_active_readers = 0"
	line 275, "pan.___", state 1349, "cache_dirty_rcu_ptr = 0"
	line 279, "pan.___", state 1358, "cache_dirty_rcu_data[i] = 0"
	line 244, "pan.___", state 1374, "(1)"
	line 248, "pan.___", state 1382, "(1)"
	line 252, "pan.___", state 1394, "(1)"
	line 256, "pan.___", state 1402, "(1)"
	line 267, "pan.___", state 1433, "cache_dirty_urcu_gp_ctr = 0"
	line 271, "pan.___", state 1442, "cache_dirty_urcu_active_readers = 0"
	line 275, "pan.___", state 1455, "cache_dirty_rcu_ptr = 0"
	line 279, "pan.___", state 1464, "cache_dirty_rcu_data[i] = 0"
	line 244, "pan.___", state 1480, "(1)"
	line 248, "pan.___", state 1488, "(1)"
	line 252, "pan.___", state 1500, "(1)"
	line 256, "pan.___", state 1508, "(1)"
	line 271, "pan.___", state 1534, "cache_dirty_urcu_active_readers = 0"
	line 275, "pan.___", state 1547, "cache_dirty_rcu_ptr = 0"
	line 279, "pan.___", state 1556, "cache_dirty_rcu_data[i] = 0"
	line 244, "pan.___", state 1572, "(1)"
	line 248, "pan.___", state 1580, "(1)"
	line 252, "pan.___", state 1592, "(1)"
	line 256, "pan.___", state 1600, "(1)"
	line 267, "pan.___", state 1631, "cache_dirty_urcu_gp_ctr = 0"
	line 271, "pan.___", state 1640, "cache_dirty_urcu_active_readers = 0"
	line 275, "pan.___", state 1653, "cache_dirty_rcu_ptr = 0"
	line 279, "pan.___", state 1662, "cache_dirty_rcu_data[i] = 0"
	line 244, "pan.___", state 1678, "(1)"
	line 248, "pan.___", state 1686, "(1)"
	line 252, "pan.___", state 1698, "(1)"
	line 256, "pan.___", state 1706, "(1)"
	line 1122, "pan.___", state 1722, "-end-"
	(103 of 1722 states)
unreached in proctype :init:
	(0 of 26 states)
unreached in proctype :never:
	line 1183, "pan.___", state 8, "-end-"
	(1 of 8 states)

pan: elapsed time 1.21e+03 seconds
pan: rate 2200.5963 states/second
pan: avg transition delay 1.651e-06 usec
cp .input.spin urcu_free.spin.input
cp .input.spin.trail urcu_free.spin.input.trail
make[1]: Leaving directory `/home/compudj/doc/userspace-rcu/formal-model/urcu-controldataflow-min-progress'