| 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_no_wmb.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 742) |
| 19 | |
| 20 | (Spin Version 5.1.7 -- 23 December 2008) |
| 21 | + Partial Order Reduction |
| 22 | |
| 23 | Full statespace search for: |
| 24 | never claim + |
| 25 | assertion violations + (if within scope of claim) |
| 26 | acceptance cycles + (fairness disabled) |
| 27 | invalid end states - (disabled by never claim) |
| 28 | |
| 29 | State-vector 56 byte, depth reached 10499, errors: 0 |
| 30 | 159431 states, stored |
| 31 | 1505398 states, matched |
| 32 | 1664829 transitions (= stored+matched) |
| 33 | 5794809 atomic steps |
| 34 | hash conflicts: 62144 (resolved) |
| 35 | |
| 36 | Stats on memory usage (in Megabytes): |
| 37 | 12.772 equivalent memory usage for states (stored*(State-vector + overhead)) |
| 38 | 8.936 actual memory usage for states (compression: 69.96%) |
| 39 | state-vector as stored = 31 byte + 28 byte overhead |
| 40 | 8.000 memory used for hash table (-w20) |
| 41 | 457.764 memory used for DFS stack (-m10000000) |
| 42 | 474.651 total actual memory usage |
| 43 | |
| 44 | unreached in proctype urcu_reader_sig |
| 45 | line 402, "pan.___", state 330, "(1)" |
| 46 | line 613, "pan.___", state 411, "-end-" |
| 47 | (2 of 411 states) |
| 48 | unreached in proctype urcu_writer |
| 49 | line 651, "pan.___", state 213, "(1)" |
| 50 | line 402, "pan.___", state 348, "(1)" |
| 51 | line 398, "pan.___", state 433, "(1)" |
| 52 | line 402, "pan.___", state 447, "(1)" |
| 53 | line 402, "pan.___", state 547, "(1)" |
| 54 | line 159, "pan.___", state 628, "(1)" |
| 55 | line 163, "pan.___", state 636, "(1)" |
| 56 | line 163, "pan.___", state 637, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<0))))" |
| 57 | line 163, "pan.___", state 637, "else" |
| 58 | line 161, "pan.___", state 642, "((j<1))" |
| 59 | line 161, "pan.___", state 642, "((j>=1))" |
| 60 | line 167, "pan.___", state 648, "(1)" |
| 61 | line 167, "pan.___", state 649, "(!((cache_dirty_generation_ptr.bitfield&(1<<0))))" |
| 62 | line 167, "pan.___", state 649, "else" |
| 63 | line 159, "pan.___", state 660, "(1)" |
| 64 | line 163, "pan.___", state 668, "(1)" |
| 65 | line 163, "pan.___", state 669, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<i))))" |
| 66 | line 163, "pan.___", state 669, "else" |
| 67 | line 161, "pan.___", state 674, "((j<1))" |
| 68 | line 161, "pan.___", state 674, "((j>=1))" |
| 69 | line 167, "pan.___", state 680, "(1)" |
| 70 | line 167, "pan.___", state 681, "(!((cache_dirty_generation_ptr.bitfield&(1<<i))))" |
| 71 | line 167, "pan.___", state 681, "else" |
| 72 | line 201, "pan.___", state 686, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<i))))" |
| 73 | line 201, "pan.___", state 686, "else" |
| 74 | line 213, "pan.___", state 690, "((i<1))" |
| 75 | line 213, "pan.___", state 690, "((i>=1))" |
| 76 | line 159, "pan.___", state 696, "(1)" |
| 77 | line 163, "pan.___", state 704, "(1)" |
| 78 | line 163, "pan.___", state 705, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<0))))" |
| 79 | line 163, "pan.___", state 705, "else" |
| 80 | line 161, "pan.___", state 710, "((j<1))" |
| 81 | line 161, "pan.___", state 710, "((j>=1))" |
| 82 | line 167, "pan.___", state 716, "(1)" |
| 83 | line 167, "pan.___", state 717, "(!((cache_dirty_generation_ptr.bitfield&(1<<0))))" |
| 84 | line 167, "pan.___", state 717, "else" |
| 85 | line 201, "pan.___", state 722, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<0))))" |
| 86 | line 201, "pan.___", state 722, "else" |
| 87 | line 220, "pan.___", state 723, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<0))))" |
| 88 | line 220, "pan.___", state 723, "else" |
| 89 | line 355, "pan.___", state 729, "((sighand_exec==1))" |
| 90 | line 355, "pan.___", state 729, "else" |
| 91 | line 361, "pan.___", state 732, "sighand_exec = 1" |
| 92 | line 398, "pan.___", state 745, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<0)))" |
| 93 | line 398, "pan.___", state 747, "(1)" |
| 94 | line 398, "pan.___", state 748, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<0)))" |
| 95 | line 398, "pan.___", state 748, "else" |
| 96 | line 398, "pan.___", state 751, "(1)" |
| 97 | line 402, "pan.___", state 759, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<0)))" |
| 98 | line 402, "pan.___", state 761, "(1)" |
| 99 | line 402, "pan.___", state 762, "((cache_dirty_urcu_active_readers.bitfield&(1<<0)))" |
| 100 | line 402, "pan.___", state 762, "else" |
| 101 | line 402, "pan.___", state 765, "(1)" |
| 102 | line 402, "pan.___", state 766, "(1)" |
| 103 | line 402, "pan.___", state 766, "(1)" |
| 104 | line 400, "pan.___", state 771, "((i<1))" |
| 105 | line 400, "pan.___", state 771, "((i>=1))" |
| 106 | line 407, "pan.___", state 777, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<0)))" |
| 107 | line 408, "pan.___", state 790, "(1)" |
| 108 | line 408, "pan.___", state 791, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<0))))" |
| 109 | line 408, "pan.___", state 791, "else" |
| 110 | line 408, "pan.___", state 794, "(1)" |
| 111 | line 408, "pan.___", state 795, "(1)" |
| 112 | line 408, "pan.___", state 795, "(1)" |
| 113 | line 412, "pan.___", state 803, "(1)" |
| 114 | line 412, "pan.___", state 804, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<0))))" |
| 115 | line 412, "pan.___", state 804, "else" |
| 116 | line 412, "pan.___", state 807, "(1)" |
| 117 | line 412, "pan.___", state 808, "(1)" |
| 118 | line 412, "pan.___", state 808, "(1)" |
| 119 | line 410, "pan.___", state 813, "((i<1))" |
| 120 | line 410, "pan.___", state 813, "((i>=1))" |
| 121 | line 417, "pan.___", state 820, "(1)" |
| 122 | line 417, "pan.___", state 821, "(!((cache_dirty_generation_ptr.bitfield&(1<<0))))" |
| 123 | line 417, "pan.___", state 821, "else" |
| 124 | line 417, "pan.___", state 824, "(1)" |
| 125 | line 417, "pan.___", state 825, "(1)" |
| 126 | line 417, "pan.___", state 825, "(1)" |
| 127 | line 419, "pan.___", state 828, "(1)" |
| 128 | line 419, "pan.___", state 828, "(1)" |
| 129 | line 361, "pan.___", state 837, "sighand_exec = 1" |
| 130 | line 402, "pan.___", state 868, "(1)" |
| 131 | line 402, "pan.___", state 965, "(1)" |
| 132 | line 398, "pan.___", state 1050, "(1)" |
| 133 | line 402, "pan.___", state 1064, "(1)" |
| 134 | line 402, "pan.___", state 1164, "(1)" |
| 135 | line 159, "pan.___", state 1245, "(1)" |
| 136 | line 163, "pan.___", state 1253, "(1)" |
| 137 | line 163, "pan.___", state 1254, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<0))))" |
| 138 | line 163, "pan.___", state 1254, "else" |
| 139 | line 161, "pan.___", state 1259, "((j<1))" |
| 140 | line 161, "pan.___", state 1259, "((j>=1))" |
| 141 | line 167, "pan.___", state 1265, "(1)" |
| 142 | line 167, "pan.___", state 1266, "(!((cache_dirty_generation_ptr.bitfield&(1<<0))))" |
| 143 | line 167, "pan.___", state 1266, "else" |
| 144 | line 159, "pan.___", state 1277, "(1)" |
| 145 | line 163, "pan.___", state 1285, "(1)" |
| 146 | line 163, "pan.___", state 1286, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<i))))" |
| 147 | line 163, "pan.___", state 1286, "else" |
| 148 | line 161, "pan.___", state 1291, "((j<1))" |
| 149 | line 161, "pan.___", state 1291, "((j>=1))" |
| 150 | line 167, "pan.___", state 1297, "(1)" |
| 151 | line 167, "pan.___", state 1298, "(!((cache_dirty_generation_ptr.bitfield&(1<<i))))" |
| 152 | line 167, "pan.___", state 1298, "else" |
| 153 | line 201, "pan.___", state 1303, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<i))))" |
| 154 | line 201, "pan.___", state 1303, "else" |
| 155 | line 213, "pan.___", state 1307, "((i<1))" |
| 156 | line 213, "pan.___", state 1307, "((i>=1))" |
| 157 | line 159, "pan.___", state 1313, "(1)" |
| 158 | line 163, "pan.___", state 1321, "(1)" |
| 159 | line 163, "pan.___", state 1322, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<0))))" |
| 160 | line 163, "pan.___", state 1322, "else" |
| 161 | line 161, "pan.___", state 1327, "((j<1))" |
| 162 | line 161, "pan.___", state 1327, "((j>=1))" |
| 163 | line 167, "pan.___", state 1333, "(1)" |
| 164 | line 167, "pan.___", state 1334, "(!((cache_dirty_generation_ptr.bitfield&(1<<0))))" |
| 165 | line 167, "pan.___", state 1334, "else" |
| 166 | line 201, "pan.___", state 1339, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<0))))" |
| 167 | line 201, "pan.___", state 1339, "else" |
| 168 | line 220, "pan.___", state 1340, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<0))))" |
| 169 | line 220, "pan.___", state 1340, "else" |
| 170 | line 355, "pan.___", state 1346, "((sighand_exec==1))" |
| 171 | line 355, "pan.___", state 1346, "else" |
| 172 | line 361, "pan.___", state 1349, "sighand_exec = 1" |
| 173 | line 398, "pan.___", state 1362, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<0)))" |
| 174 | line 398, "pan.___", state 1364, "(1)" |
| 175 | line 398, "pan.___", state 1365, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<0)))" |
| 176 | line 398, "pan.___", state 1365, "else" |
| 177 | line 398, "pan.___", state 1368, "(1)" |
| 178 | line 402, "pan.___", state 1376, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<0)))" |
| 179 | line 402, "pan.___", state 1378, "(1)" |
| 180 | line 402, "pan.___", state 1379, "((cache_dirty_urcu_active_readers.bitfield&(1<<0)))" |
| 181 | line 402, "pan.___", state 1379, "else" |
| 182 | line 402, "pan.___", state 1382, "(1)" |
| 183 | line 402, "pan.___", state 1383, "(1)" |
| 184 | line 402, "pan.___", state 1383, "(1)" |
| 185 | line 400, "pan.___", state 1388, "((i<1))" |
| 186 | line 400, "pan.___", state 1388, "((i>=1))" |
| 187 | line 407, "pan.___", state 1394, "cache_dirty_generation_ptr.bitfield = (cache_dirty_generation_ptr.bitfield&~((1<<0)))" |
| 188 | line 408, "pan.___", state 1407, "(1)" |
| 189 | line 408, "pan.___", state 1408, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<0))))" |
| 190 | line 408, "pan.___", state 1408, "else" |
| 191 | line 408, "pan.___", state 1411, "(1)" |
| 192 | line 408, "pan.___", state 1412, "(1)" |
| 193 | line 408, "pan.___", state 1412, "(1)" |
| 194 | line 412, "pan.___", state 1420, "(1)" |
| 195 | line 412, "pan.___", state 1421, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<0))))" |
| 196 | line 412, "pan.___", state 1421, "else" |
| 197 | line 412, "pan.___", state 1424, "(1)" |
| 198 | line 412, "pan.___", state 1425, "(1)" |
| 199 | line 412, "pan.___", state 1425, "(1)" |
| 200 | line 410, "pan.___", state 1430, "((i<1))" |
| 201 | line 410, "pan.___", state 1430, "((i>=1))" |
| 202 | line 417, "pan.___", state 1437, "(1)" |
| 203 | line 417, "pan.___", state 1438, "(!((cache_dirty_generation_ptr.bitfield&(1<<0))))" |
| 204 | line 417, "pan.___", state 1438, "else" |
| 205 | line 417, "pan.___", state 1441, "(1)" |
| 206 | line 417, "pan.___", state 1442, "(1)" |
| 207 | line 417, "pan.___", state 1442, "(1)" |
| 208 | line 419, "pan.___", state 1445, "(1)" |
| 209 | line 419, "pan.___", state 1445, "(1)" |
| 210 | line 361, "pan.___", state 1454, "sighand_exec = 1" |
| 211 | line 701, "pan.___", state 1596, "-end-" |
| 212 | (111 of 1596 states) |
| 213 | unreached in proctype :init: |
| 214 | (0 of 46 states) |
| 215 | unreached in proctype :never: |
| 216 | line 747, "pan.___", state 8, "-end-" |
| 217 | (1 of 8 states) |
| 218 | |
| 219 | pan: elapsed time 1.23 seconds |
| 220 | pan: rate 129618.7 states/second |
| 221 | pan: avg transition delay 7.3881e-07 usec |
| 222 | cp .input.spin urcu_free_no_wmb.spin.input |
| 223 | cp .input.spin.trail urcu_free_no_wmb.spin.input.trail |
| 224 | make[1]: Leaving directory `/home/compudj/doc/userspace-rcu/formal-model/urcu' |