| 1 | make[1]: Entering directory `/home/compudj/doc/userspace-rcu/formal-model/urcu' |
| 2 | rm -f pan* trail.out .input.spin* *.spin.trail .input.define |
| 3 | touch .input.define |
| 4 | cat .input.define >> pan.ltl |
| 5 | cat DEFINES >> pan.ltl |
| 6 | spin -f "!(`cat urcu_free.ltl | grep -v ^//`)" >> pan.ltl |
| 7 | cp urcu_free_single_flip.define .input.define |
| 8 | cat .input.define > .input.spin |
| 9 | cat DEFINES >> .input.spin |
| 10 | cat urcu.spin >> .input.spin |
| 11 | rm -f .input.spin.trail |
| 12 | spin -a -X -N pan.ltl .input.spin |
| 13 | Exit-Status 0 |
| 14 | gcc -O2 -w -DHASH64 -o pan pan.c |
| 15 | ./pan -a -v -c1 -X -m10000000 -w20 |
| 16 | warning: for p.o. reduction to be valid the never claim must be stutter-invariant |
| 17 | (never claims generated from LTL formulae are stutter-invariant) |
| 18 | depth 0: Claim reached state 5 (line 744) |
| 19 | pan: claim violated! (at depth 1371) |
| 20 | pan: wrote .input.spin.trail |
| 21 | |
| 22 | (Spin Version 5.1.7 -- 23 December 2008) |
| 23 | Warning: Search not completed |
| 24 | + Partial Order Reduction |
| 25 | |
| 26 | Full statespace search for: |
| 27 | never claim + |
| 28 | assertion violations + (if within scope of claim) |
| 29 | acceptance cycles + (fairness disabled) |
| 30 | invalid end states - (disabled by never claim) |
| 31 | |
| 32 | State-vector 56 byte, depth reached 3387, errors: 1 |
| 33 | 206295 states, stored |
| 34 | 1902753 states, matched |
| 35 | 2109048 transitions (= stored+matched) |
| 36 | 7663223 atomic steps |
| 37 | hash conflicts: 101109 (resolved) |
| 38 | |
| 39 | Stats on memory usage (in Megabytes): |
| 40 | 16.526 equivalent memory usage for states (stored*(State-vector + overhead)) |
| 41 | 13.080 actual memory usage for states (compression: 79.15%) |
| 42 | state-vector as stored = 38 byte + 28 byte overhead |
| 43 | 8.000 memory used for hash table (-w20) |
| 44 | 457.764 memory used for DFS stack (-m10000000) |
| 45 | 478.752 total actual memory usage |
| 46 | |
| 47 | unreached in proctype urcu_reader |
| 48 | line 399, "pan.___", state 16, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))" |
| 49 | line 408, "pan.___", state 48, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))" |
| 50 | line 409, "pan.___", state 61, "(1)" |
| 51 | line 418, "pan.___", state 91, "(1)" |
| 52 | line 399, "pan.___", state 106, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))" |
| 53 | line 408, "pan.___", state 138, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))" |
| 54 | line 409, "pan.___", state 151, "(1)" |
| 55 | line 418, "pan.___", state 181, "(1)" |
| 56 | line 399, "pan.___", state 197, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))" |
| 57 | line 408, "pan.___", state 229, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))" |
| 58 | line 409, "pan.___", state 242, "(1)" |
| 59 | line 418, "pan.___", state 272, "(1)" |
| 60 | line 399, "pan.___", state 315, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))" |
| 61 | line 408, "pan.___", state 347, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))" |
| 62 | line 409, "pan.___", state 360, "(1)" |
| 63 | line 418, "pan.___", state 390, "(1)" |
| 64 | line 540, "pan.___", state 414, "-end-" |
| 65 | (17 of 414 states) |
| 66 | unreached in proctype urcu_writer |
| 67 | line 399, "pan.___", state 14, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))" |
| 68 | line 403, "pan.___", state 28, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))" |
| 69 | line 408, "pan.___", state 46, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))" |
| 70 | line 409, "pan.___", state 59, "(1)" |
| 71 | line 413, "pan.___", state 72, "(1)" |
| 72 | line 418, "pan.___", state 89, "(1)" |
| 73 | line 399, "pan.___", state 108, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))" |
| 74 | line 403, "pan.___", state 122, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))" |
| 75 | line 409, "pan.___", state 153, "(1)" |
| 76 | line 413, "pan.___", state 166, "(1)" |
| 77 | line 652, "pan.___", state 199, "(1)" |
| 78 | line 175, "pan.___", state 208, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))" |
| 79 | line 179, "pan.___", state 217, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))" |
| 80 | line 160, "pan.___", state 240, "(1)" |
| 81 | line 164, "pan.___", state 248, "(1)" |
| 82 | line 168, "pan.___", state 260, "(1)" |
| 83 | line 175, "pan.___", state 271, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<i)))" |
| 84 | line 183, "pan.___", state 293, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<i)))" |
| 85 | line 160, "pan.___", state 303, "(1)" |
| 86 | line 164, "pan.___", state 311, "(1)" |
| 87 | line 168, "pan.___", state 323, "(1)" |
| 88 | line 175, "pan.___", state 338, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))" |
| 89 | line 179, "pan.___", state 347, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))" |
| 90 | line 183, "pan.___", state 360, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))" |
| 91 | line 160, "pan.___", state 370, "(1)" |
| 92 | line 164, "pan.___", state 378, "(1)" |
| 93 | line 168, "pan.___", state 390, "(1)" |
| 94 | line 399, "pan.___", state 404, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))" |
| 95 | line 403, "pan.___", state 418, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))" |
| 96 | line 408, "pan.___", state 436, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))" |
| 97 | line 409, "pan.___", state 449, "(1)" |
| 98 | line 413, "pan.___", state 462, "(1)" |
| 99 | line 418, "pan.___", state 479, "(1)" |
| 100 | line 399, "pan.___", state 498, "(1)" |
| 101 | line 403, "pan.___", state 510, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))" |
| 102 | line 408, "pan.___", state 528, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))" |
| 103 | line 413, "pan.___", state 554, "(1)" |
| 104 | line 418, "pan.___", state 571, "(1)" |
| 105 | line 403, "pan.___", state 603, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))" |
| 106 | line 408, "pan.___", state 621, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))" |
| 107 | line 413, "pan.___", state 647, "(1)" |
| 108 | line 418, "pan.___", state 664, "(1)" |
| 109 | line 179, "pan.___", state 687, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))" |
| 110 | line 183, "pan.___", state 700, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))" |
| 111 | line 160, "pan.___", state 710, "(1)" |
| 112 | line 164, "pan.___", state 718, "(1)" |
| 113 | line 168, "pan.___", state 730, "(1)" |
| 114 | line 175, "pan.___", state 741, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<i)))" |
| 115 | line 183, "pan.___", state 763, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<i)))" |
| 116 | line 160, "pan.___", state 773, "(1)" |
| 117 | line 164, "pan.___", state 781, "(1)" |
| 118 | line 168, "pan.___", state 793, "(1)" |
| 119 | line 175, "pan.___", state 808, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))" |
| 120 | line 179, "pan.___", state 817, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))" |
| 121 | line 183, "pan.___", state 830, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))" |
| 122 | line 160, "pan.___", state 840, "(1)" |
| 123 | line 164, "pan.___", state 848, "(1)" |
| 124 | line 168, "pan.___", state 860, "(1)" |
| 125 | line 399, "pan.___", state 882, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))" |
| 126 | line 399, "pan.___", state 884, "(1)" |
| 127 | line 399, "pan.___", state 885, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))" |
| 128 | line 399, "pan.___", state 885, "else" |
| 129 | line 399, "pan.___", state 888, "(1)" |
| 130 | line 403, "pan.___", state 896, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))" |
| 131 | line 403, "pan.___", state 898, "(1)" |
| 132 | line 403, "pan.___", state 899, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))" |
| 133 | line 403, "pan.___", state 899, "else" |
| 134 | line 403, "pan.___", state 902, "(1)" |
| 135 | line 403, "pan.___", state 903, "(1)" |
| 136 | line 403, "pan.___", state 903, "(1)" |
| 137 | line 401, "pan.___", state 908, "((i<1))" |
| 138 | line 401, "pan.___", state 908, "((i>=1))" |
| 139 | line 408, "pan.___", state 914, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))" |
| 140 | line 409, "pan.___", state 927, "(1)" |
| 141 | line 409, "pan.___", state 928, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))" |
| 142 | line 409, "pan.___", state 928, "else" |
| 143 | line 409, "pan.___", state 931, "(1)" |
| 144 | line 409, "pan.___", state 932, "(1)" |
| 145 | line 409, "pan.___", state 932, "(1)" |
| 146 | line 413, "pan.___", state 940, "(1)" |
| 147 | line 413, "pan.___", state 941, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))" |
| 148 | line 413, "pan.___", state 941, "else" |
| 149 | line 413, "pan.___", state 944, "(1)" |
| 150 | line 413, "pan.___", state 945, "(1)" |
| 151 | line 413, "pan.___", state 945, "(1)" |
| 152 | line 411, "pan.___", state 950, "((i<1))" |
| 153 | line 411, "pan.___", state 950, "((i>=1))" |
| 154 | line 418, "pan.___", state 957, "(1)" |
| 155 | line 418, "pan.___", state 958, "(!((cache_dirty_generation_ptr.bitfield&(1<<_pid))))" |
| 156 | line 418, "pan.___", state 958, "else" |
| 157 | line 418, "pan.___", state 961, "(1)" |
| 158 | line 418, "pan.___", state 962, "(1)" |
| 159 | line 418, "pan.___", state 962, "(1)" |
| 160 | line 420, "pan.___", state 965, "(1)" |
| 161 | line 420, "pan.___", state 965, "(1)" |
| 162 | line 179, "pan.___", state 990, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))" |
| 163 | line 183, "pan.___", state 1003, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))" |
| 164 | line 160, "pan.___", state 1013, "(1)" |
| 165 | line 164, "pan.___", state 1021, "(1)" |
| 166 | line 168, "pan.___", state 1033, "(1)" |
| 167 | line 175, "pan.___", state 1044, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<i)))" |
| 168 | line 183, "pan.___", state 1066, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<i)))" |
| 169 | line 160, "pan.___", state 1076, "(1)" |
| 170 | line 164, "pan.___", state 1084, "(1)" |
| 171 | line 168, "pan.___", state 1096, "(1)" |
| 172 | line 175, "pan.___", state 1111, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))" |
| 173 | line 179, "pan.___", state 1120, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))" |
| 174 | line 183, "pan.___", state 1133, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<_pid)))" |
| 175 | line 160, "pan.___", state 1143, "(1)" |
| 176 | line 164, "pan.___", state 1151, "(1)" |
| 177 | line 168, "pan.___", state 1163, "(1)" |
| 178 | line 702, "pan.___", state 1188, "-end-" |
| 179 | (100 of 1188 states) |
| 180 | unreached in proctype :init: |
| 181 | line 709, "pan.___", state 9, "((j<2))" |
| 182 | line 709, "pan.___", state 9, "((j>=2))" |
| 183 | line 710, "pan.___", state 20, "((j<2))" |
| 184 | line 710, "pan.___", state 20, "((j>=2))" |
| 185 | line 715, "pan.___", state 33, "((j<2))" |
| 186 | line 715, "pan.___", state 33, "((j>=2))" |
| 187 | (3 of 46 states) |
| 188 | unreached in proctype :never: |
| 189 | line 749, "pan.___", state 8, "-end-" |
| 190 | (1 of 8 states) |
| 191 | |
| 192 | pan: elapsed time 1.66 seconds |
| 193 | pan: rate 124274.1 states/second |
| 194 | pan: avg transition delay 7.8708e-07 usec |
| 195 | cp .input.spin urcu_free_single_flip.spin.input |
| 196 | cp .input.spin.trail urcu_free_single_flip.spin.input.trail |
| 197 | make[1]: Leaving directory `/home/compudj/doc/userspace-rcu/formal-model/urcu' |