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_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 -DCOLLAPSE -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 1180)
depth 7: Claim reached state 9 (line 1185)
depth 46: Claim reached state 9 (line 1184)
pan: acceptance cycle (at depth 3798)
pan: wrote .input.spin.trail

(Spin Version 5.1.7 -- 23 December 2008)
Warning: Search not completed
	+ Partial Order Reduction
	+ Compression

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 80 byte, depth reached 3956, errors: 1
   139740 states, stored (233412 visited)
 43234612 states, matched
 43468024 transitions (= visited+matched)
2.3201732e+08 atomic steps
hash conflicts:    937081 (resolved)

Stats on memory usage (in Megabytes):
   15.459	equivalent memory usage for states (stored*(State-vector + overhead))
    7.007	actual memory usage for states (compression: 45.33%)
         	state-vector as stored = 17 byte + 36 byte overhead
    8.000	memory used for hash table (-w20)
  457.764	memory used for DFS stack (-m10000000)
  472.697	total actual memory usage

nr of templates: [ globals chans procs ]
collapse counts: [ 1001 532 228 2 2 ]
unreached in proctype urcu_reader
	line 269, "pan.___", state 55, "cache_dirty_urcu_gp_ctr = 0"
	line 277, "pan.___", state 77, "cache_dirty_rcu_ptr = 0"
	line 281, "pan.___", state 86, "cache_dirty_rcu_data[i] = 0"
	line 246, "pan.___", state 102, "(1)"
	line 250, "pan.___", state 110, "(1)"
	line 254, "pan.___", state 122, "(1)"
	line 258, "pan.___", state 130, "(1)"
	line 405, "pan.___", state 156, "cache_dirty_urcu_gp_ctr = 0"
	line 414, "pan.___", state 188, "cache_dirty_rcu_ptr = 0"
	line 418, "pan.___", state 202, "cache_dirty_rcu_data[i] = 0"
	line 423, "pan.___", state 221, "(1)"
	line 432, "pan.___", state 251, "(1)"
	line 436, "pan.___", state 264, "(1)"
	line 615, "pan.___", state 285, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<1))"
	line 405, "pan.___", state 292, "cache_dirty_urcu_gp_ctr = 0"
	line 414, "pan.___", state 324, "cache_dirty_rcu_ptr = 0"
	line 418, "pan.___", state 338, "cache_dirty_rcu_data[i] = 0"
	line 423, "pan.___", state 357, "(1)"
	line 432, "pan.___", state 387, "(1)"
	line 436, "pan.___", state 400, "(1)"
	line 405, "pan.___", state 421, "cache_dirty_urcu_gp_ctr = 0"
	line 414, "pan.___", state 453, "cache_dirty_rcu_ptr = 0"
	line 418, "pan.___", state 467, "cache_dirty_rcu_data[i] = 0"
	line 423, "pan.___", state 486, "(1)"
	line 432, "pan.___", state 516, "(1)"
	line 436, "pan.___", state 529, "(1)"
	line 405, "pan.___", state 552, "cache_dirty_urcu_gp_ctr = 0"
	line 405, "pan.___", state 554, "(1)"
	line 405, "pan.___", state 555, "(cache_dirty_urcu_gp_ctr)"
	line 405, "pan.___", state 555, "else"
	line 405, "pan.___", state 558, "(1)"
	line 409, "pan.___", state 566, "cache_dirty_urcu_active_readers = 0"
	line 409, "pan.___", state 568, "(1)"
	line 409, "pan.___", state 569, "(cache_dirty_urcu_active_readers)"
	line 409, "pan.___", state 569, "else"
	line 409, "pan.___", state 572, "(1)"
	line 409, "pan.___", state 573, "(1)"
	line 409, "pan.___", state 573, "(1)"
	line 407, "pan.___", state 578, "((i<1))"
	line 407, "pan.___", state 578, "((i>=1))"
	line 414, "pan.___", state 584, "cache_dirty_rcu_ptr = 0"
	line 414, "pan.___", state 586, "(1)"
	line 414, "pan.___", state 587, "(cache_dirty_rcu_ptr)"
	line 414, "pan.___", state 587, "else"
	line 414, "pan.___", state 590, "(1)"
	line 414, "pan.___", state 591, "(1)"
	line 414, "pan.___", state 591, "(1)"
	line 418, "pan.___", state 598, "cache_dirty_rcu_data[i] = 0"
	line 418, "pan.___", state 600, "(1)"
	line 418, "pan.___", state 601, "(cache_dirty_rcu_data[i])"
	line 418, "pan.___", state 601, "else"
	line 418, "pan.___", state 604, "(1)"
	line 418, "pan.___", state 605, "(1)"
	line 418, "pan.___", state 605, "(1)"
	line 416, "pan.___", state 610, "((i<2))"
	line 416, "pan.___", state 610, "((i>=2))"
	line 423, "pan.___", state 617, "(1)"
	line 423, "pan.___", state 618, "(!(cache_dirty_urcu_gp_ctr))"
	line 423, "pan.___", state 618, "else"
	line 423, "pan.___", state 621, "(1)"
	line 423, "pan.___", state 622, "(1)"
	line 423, "pan.___", state 622, "(1)"
	line 427, "pan.___", state 630, "(1)"
	line 427, "pan.___", state 631, "(!(cache_dirty_urcu_active_readers))"
	line 427, "pan.___", state 631, "else"
	line 427, "pan.___", state 634, "(1)"
	line 427, "pan.___", state 635, "(1)"
	line 427, "pan.___", state 635, "(1)"
	line 425, "pan.___", state 640, "((i<1))"
	line 425, "pan.___", state 640, "((i>=1))"
	line 432, "pan.___", state 647, "(1)"
	line 432, "pan.___", state 648, "(!(cache_dirty_rcu_ptr))"
	line 432, "pan.___", state 648, "else"
	line 432, "pan.___", state 651, "(1)"
	line 432, "pan.___", state 652, "(1)"
	line 432, "pan.___", state 652, "(1)"
	line 436, "pan.___", state 660, "(1)"
	line 436, "pan.___", state 661, "(!(cache_dirty_rcu_data[i]))"
	line 436, "pan.___", state 661, "else"
	line 436, "pan.___", state 664, "(1)"
	line 436, "pan.___", state 665, "(1)"
	line 436, "pan.___", state 665, "(1)"
	line 434, "pan.___", state 670, "((i<2))"
	line 434, "pan.___", state 670, "((i>=2))"
	line 444, "pan.___", state 674, "(1)"
	line 444, "pan.___", state 674, "(1)"
	line 615, "pan.___", state 677, "cached_urcu_active_readers = (tmp+1)"
	line 615, "pan.___", state 678, "_proc_urcu_reader = (_proc_urcu_reader|(1<<5))"
	line 615, "pan.___", state 679, "(1)"
	line 405, "pan.___", state 686, "cache_dirty_urcu_gp_ctr = 0"
	line 414, "pan.___", state 718, "cache_dirty_rcu_ptr = 0"
	line 418, "pan.___", state 732, "cache_dirty_rcu_data[i] = 0"
	line 423, "pan.___", state 751, "(1)"
	line 432, "pan.___", state 781, "(1)"
	line 436, "pan.___", state 794, "(1)"
	line 405, "pan.___", state 821, "cache_dirty_urcu_gp_ctr = 0"
	line 414, "pan.___", state 853, "cache_dirty_rcu_ptr = 0"
	line 418, "pan.___", state 867, "cache_dirty_rcu_data[i] = 0"
	line 423, "pan.___", state 886, "(1)"
	line 432, "pan.___", state 916, "(1)"
	line 436, "pan.___", state 929, "(1)"
	line 405, "pan.___", state 950, "cache_dirty_urcu_gp_ctr = 0"
	line 414, "pan.___", state 982, "cache_dirty_rcu_ptr = 0"
	line 418, "pan.___", state 996, "cache_dirty_rcu_data[i] = 0"
	line 423, "pan.___", state 1015, "(1)"
	line 432, "pan.___", state 1045, "(1)"
	line 436, "pan.___", state 1058, "(1)"
	line 246, "pan.___", state 1091, "(1)"
	line 254, "pan.___", state 1111, "(1)"
	line 258, "pan.___", state 1119, "(1)"
	line 749, "pan.___", state 1136, "-end-"
	(91 of 1136 states)
unreached in proctype urcu_writer
	line 405, "pan.___", state 45, "cache_dirty_urcu_gp_ctr = 0"
	line 409, "pan.___", state 59, "cache_dirty_urcu_active_readers = 0"
	line 414, "pan.___", state 77, "cache_dirty_rcu_ptr = 0"
	line 423, "pan.___", state 110, "(1)"
	line 427, "pan.___", state 123, "(1)"
	line 432, "pan.___", state 140, "(1)"
	line 269, "pan.___", state 176, "cache_dirty_urcu_gp_ctr = 0"
	line 273, "pan.___", state 185, "cache_dirty_urcu_active_readers = 0"
	line 277, "pan.___", state 198, "cache_dirty_rcu_ptr = 0"
	line 405, "pan.___", state 238, "cache_dirty_urcu_gp_ctr = 0"
	line 409, "pan.___", state 252, "cache_dirty_urcu_active_readers = 0"
	line 414, "pan.___", state 270, "cache_dirty_rcu_ptr = 0"
	line 418, "pan.___", state 284, "cache_dirty_rcu_data[i] = 0"
	line 423, "pan.___", state 303, "(1)"
	line 427, "pan.___", state 316, "(1)"
	line 432, "pan.___", state 333, "(1)"
	line 436, "pan.___", state 346, "(1)"
	line 409, "pan.___", state 383, "cache_dirty_urcu_active_readers = 0"
	line 414, "pan.___", state 401, "cache_dirty_rcu_ptr = 0"
	line 418, "pan.___", state 415, "cache_dirty_rcu_data[i] = 0"
	line 427, "pan.___", state 447, "(1)"
	line 432, "pan.___", state 464, "(1)"
	line 436, "pan.___", state 477, "(1)"
	line 405, "pan.___", state 504, "cache_dirty_urcu_gp_ctr = 0"
	line 405, "pan.___", state 506, "(1)"
	line 405, "pan.___", state 507, "(cache_dirty_urcu_gp_ctr)"
	line 405, "pan.___", state 507, "else"
	line 405, "pan.___", state 510, "(1)"
	line 409, "pan.___", state 518, "cache_dirty_urcu_active_readers = 0"
	line 409, "pan.___", state 520, "(1)"
	line 409, "pan.___", state 521, "(cache_dirty_urcu_active_readers)"
	line 409, "pan.___", state 521, "else"
	line 409, "pan.___", state 524, "(1)"
	line 409, "pan.___", state 525, "(1)"
	line 409, "pan.___", state 525, "(1)"
	line 407, "pan.___", state 530, "((i<1))"
	line 407, "pan.___", state 530, "((i>=1))"
	line 414, "pan.___", state 536, "cache_dirty_rcu_ptr = 0"
	line 414, "pan.___", state 538, "(1)"
	line 414, "pan.___", state 539, "(cache_dirty_rcu_ptr)"
	line 414, "pan.___", state 539, "else"
	line 414, "pan.___", state 542, "(1)"
	line 414, "pan.___", state 543, "(1)"
	line 414, "pan.___", state 543, "(1)"
	line 418, "pan.___", state 550, "cache_dirty_rcu_data[i] = 0"
	line 418, "pan.___", state 552, "(1)"
	line 418, "pan.___", state 553, "(cache_dirty_rcu_data[i])"
	line 418, "pan.___", state 553, "else"
	line 418, "pan.___", state 556, "(1)"
	line 418, "pan.___", state 557, "(1)"
	line 418, "pan.___", state 557, "(1)"
	line 416, "pan.___", state 562, "((i<2))"
	line 416, "pan.___", state 562, "((i>=2))"
	line 423, "pan.___", state 569, "(1)"
	line 423, "pan.___", state 570, "(!(cache_dirty_urcu_gp_ctr))"
	line 423, "pan.___", state 570, "else"
	line 423, "pan.___", state 573, "(1)"
	line 423, "pan.___", state 574, "(1)"
	line 423, "pan.___", state 574, "(1)"
	line 427, "pan.___", state 582, "(1)"
	line 427, "pan.___", state 583, "(!(cache_dirty_urcu_active_readers))"
	line 427, "pan.___", state 583, "else"
	line 427, "pan.___", state 586, "(1)"
	line 427, "pan.___", state 587, "(1)"
	line 427, "pan.___", state 587, "(1)"
	line 425, "pan.___", state 592, "((i<1))"
	line 425, "pan.___", state 592, "((i>=1))"
	line 432, "pan.___", state 599, "(1)"
	line 432, "pan.___", state 600, "(!(cache_dirty_rcu_ptr))"
	line 432, "pan.___", state 600, "else"
	line 432, "pan.___", state 603, "(1)"
	line 432, "pan.___", state 604, "(1)"
	line 432, "pan.___", state 604, "(1)"
	line 436, "pan.___", state 612, "(1)"
	line 436, "pan.___", state 613, "(!(cache_dirty_rcu_data[i]))"
	line 436, "pan.___", state 613, "else"
	line 436, "pan.___", state 616, "(1)"
	line 436, "pan.___", state 617, "(1)"
	line 436, "pan.___", state 617, "(1)"
	line 444, "pan.___", state 626, "(1)"
	line 444, "pan.___", state 626, "(1)"
	line 409, "pan.___", state 646, "cache_dirty_urcu_active_readers = 0"
	line 414, "pan.___", state 664, "cache_dirty_rcu_ptr = 0"
	line 418, "pan.___", state 678, "cache_dirty_rcu_data[i] = 0"
	line 427, "pan.___", state 710, "(1)"
	line 432, "pan.___", state 727, "(1)"
	line 436, "pan.___", state 740, "(1)"
	line 409, "pan.___", state 775, "cache_dirty_urcu_active_readers = 0"
	line 414, "pan.___", state 793, "cache_dirty_rcu_ptr = 0"
	line 418, "pan.___", state 807, "cache_dirty_rcu_data[i] = 0"
	line 427, "pan.___", state 839, "(1)"
	line 432, "pan.___", state 856, "(1)"
	line 436, "pan.___", state 869, "(1)"
	line 409, "pan.___", state 906, "cache_dirty_urcu_active_readers = 0"
	line 414, "pan.___", state 924, "cache_dirty_rcu_ptr = 0"
	line 418, "pan.___", state 938, "cache_dirty_rcu_data[i] = 0"
	line 427, "pan.___", state 970, "(1)"
	line 432, "pan.___", state 987, "(1)"
	line 436, "pan.___", state 1000, "(1)"
	line 409, "pan.___", state 1040, "cache_dirty_urcu_active_readers = 0"
	line 414, "pan.___", state 1058, "cache_dirty_rcu_ptr = 0"
	line 418, "pan.___", state 1072, "cache_dirty_rcu_data[i] = 0"
	line 427, "pan.___", state 1104, "(1)"
	line 432, "pan.___", state 1121, "(1)"
	line 436, "pan.___", state 1134, "(1)"
	line 269, "pan.___", state 1180, "cache_dirty_urcu_gp_ctr = 0"
	line 273, "pan.___", state 1189, "cache_dirty_urcu_active_readers = 0"
	line 277, "pan.___", state 1204, "(1)"
	line 281, "pan.___", state 1211, "cache_dirty_rcu_data[i] = 0"
	line 246, "pan.___", state 1227, "(1)"
	line 250, "pan.___", state 1235, "(1)"
	line 254, "pan.___", state 1247, "(1)"
	line 258, "pan.___", state 1255, "(1)"
	line 269, "pan.___", state 1286, "cache_dirty_urcu_gp_ctr = 0"
	line 273, "pan.___", state 1295, "cache_dirty_urcu_active_readers = 0"
	line 277, "pan.___", state 1308, "cache_dirty_rcu_ptr = 0"
	line 281, "pan.___", state 1317, "cache_dirty_rcu_data[i] = 0"
	line 246, "pan.___", state 1333, "(1)"
	line 250, "pan.___", state 1341, "(1)"
	line 254, "pan.___", state 1353, "(1)"
	line 258, "pan.___", state 1361, "(1)"
	line 273, "pan.___", state 1387, "cache_dirty_urcu_active_readers = 0"
	line 277, "pan.___", state 1400, "cache_dirty_rcu_ptr = 0"
	line 281, "pan.___", state 1409, "cache_dirty_rcu_data[i] = 0"
	line 246, "pan.___", state 1425, "(1)"
	line 250, "pan.___", state 1433, "(1)"
	line 254, "pan.___", state 1445, "(1)"
	line 258, "pan.___", state 1453, "(1)"
	line 269, "pan.___", state 1484, "cache_dirty_urcu_gp_ctr = 0"
	line 273, "pan.___", state 1493, "cache_dirty_urcu_active_readers = 0"
	line 277, "pan.___", state 1506, "cache_dirty_rcu_ptr = 0"
	line 281, "pan.___", state 1515, "cache_dirty_rcu_data[i] = 0"
	line 246, "pan.___", state 1531, "(1)"
	line 250, "pan.___", state 1539, "(1)"
	line 254, "pan.___", state 1551, "(1)"
	line 258, "pan.___", state 1559, "(1)"
	line 1124, "pan.___", state 1575, "-end-"
	(118 of 1575 states)
unreached in proctype :init:
	(0 of 26 states)
unreached in proctype :never:
	line 1187, "pan.___", state 11, "-end-"
	(1 of 11 states)

pan: elapsed time 67.7 seconds
pan: rate 3447.2308 states/second
pan: avg transition delay 1.5577e-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-min-progress'