33.18/33.21 This is MiniSat 2.0 beta
33.18/33.21 WARNING: for repeatability, setting FPU to use double precision
33.18/33.21 ============================[ Problem Statistics ]=============================
33.18/33.21 | |
33.18/33.21 | Number of variables: 1 |
33.18/33.21 | Number of clauses: 2 |
33.18/33.21 | Parsing time: 0.00 s |
33.18/33.21 Solved by unit propagation
33.18/33.21 UNSATISFIABLE
33.18/33.21 s UNSATISFIABLE
runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr
command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1796420-1242075485/watcher-1796420-1242075485 -o /tmp/evaluation-result-1796420-1242075485/solver-1796420-1242075485 -C 1200 -W 1800 -M 1800 HOME/kw_pre HOME/instance-1796420-1242075485.cnf
Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1230 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 1843200 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 1894400 KiB
Current StackSize limit: 10240 KiB
[startup+0 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 12176
/proc/meminfo: memFree=1217312/2055920 swapFree=4181940/4192956
[pid=12176] ppid=12174 vsize=5356 CPUtime=0
/proc/12176/stat : 12176 (kw_pre) S 12174 12176 12043 0 -1 4194304 280 0 0 0 0 0 0 0 18 0 1 0 235575738 5484544 231 1992294400 4194304 4889804 548682068832 18446744073709551615 226238194500 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/12176/statm: 1339 231 192 169 0 50 0
[pid=12177] ppid=12176 vsize=2980 CPUtime=0
/proc/12177/stat : 12177 (kw_preprocessor) R 12176 12176 12043 0 -1 0 376 0 0 0 0 0 0 0 20 0 1 0 235575738 3051520 352 1992294400 4194304 6416590 548682068912 18446744073709551615 5489867 0 0 4096 0 0 0 0 17 1 0 0
/proc/12177/statm: 745 352 217 542 0 194 0
[startup+0.0416351 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 12176
/proc/meminfo: memFree=1217312/2055920 swapFree=4181940/4192956
[pid=12176] ppid=12174 vsize=5356 CPUtime=0
/proc/12176/stat : 12176 (kw_pre) S 12174 12176 12043 0 -1 4194304 280 0 0 0 0 0 0 0 18 0 1 0 235575738 5484544 231 1992294400 4194304 4889804 548682068832 18446744073709551615 226238194500 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/12176/statm: 1339 231 192 169 0 50 0
[pid=12177] ppid=12176 vsize=3332 CPUtime=0.03
/proc/12177/stat : 12177 (kw_preprocessor) R 12176 12176 12043 0 -1 0 506 0 0 0 3 0 0 0 20 0 1 0 235575738 3411968 482 1992294400 4194304 6416590 548682068912 18446744073709551615 5553607 0 0 4096 0 0 0 0 17 1 0 0
/proc/12177/statm: 833 482 250 542 0 282 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 8688
[startup+0.102638 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 12176
/proc/meminfo: memFree=1217312/2055920 swapFree=4181940/4192956
[pid=12176] ppid=12174 vsize=5356 CPUtime=0
/proc/12176/stat : 12176 (kw_pre) S 12174 12176 12043 0 -1 4194304 280 0 0 0 0 0 0 0 18 0 1 0 235575738 5484544 231 1992294400 4194304 4889804 548682068832 18446744073709551615 226238194500 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/12176/statm: 1339 231 192 169 0 50 0
[pid=12177] ppid=12176 vsize=3464 CPUtime=0.09
/proc/12177/stat : 12177 (kw_preprocessor) R 12176 12176 12043 0 -1 0 537 0 0 0 9 0 0 0 20 0 1 0 235575738 3547136 513 1992294400 4194304 6416590 548682068912 18446744073709551615 5553607 0 0 4096 0 0 0 0 17 1 0 0
/proc/12177/statm: 866 513 250 542 0 315 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 8820
[startup+0.302656 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 12176
/proc/meminfo: memFree=1217312/2055920 swapFree=4181940/4192956
[pid=12176] ppid=12174 vsize=5356 CPUtime=0
/proc/12176/stat : 12176 (kw_pre) S 12174 12176 12043 0 -1 4194304 280 0 0 0 0 0 0 0 18 0 1 0 235575738 5484544 231 1992294400 4194304 4889804 548682068832 18446744073709551615 226238194500 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/12176/statm: 1339 231 192 169 0 50 0
[pid=12177] ppid=12176 vsize=4248 CPUtime=0.29
/proc/12177/stat : 12177 (kw_preprocessor) R 12176 12176 12043 0 -1 0 718 0 0 0 29 0 0 0 21 0 1 0 235575738 4349952 694 1992294400 4194304 6416590 548682068912 18446744073709551615 5553607 0 0 4096 0 0 0 0 17 1 0 0
/proc/12177/statm: 1062 694 250 542 0 511 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 9604
[startup+0.702691 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 12176
/proc/meminfo: memFree=1217312/2055920 swapFree=4181940/4192956
[pid=12176] ppid=12174 vsize=5356 CPUtime=0
/proc/12176/stat : 12176 (kw_pre) S 12174 12176 12043 0 -1 4194304 280 0 0 0 0 0 0 0 18 0 1 0 235575738 5484544 231 1992294400 4194304 4889804 548682068832 18446744073709551615 226238194500 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/12176/statm: 1339 231 192 169 0 50 0
[pid=12177] ppid=12176 vsize=5444 CPUtime=0.69
/proc/12177/stat : 12177 (kw_preprocessor) R 12176 12176 12043 0 -1 0 1035 0 0 0 69 0 0 0 24 0 1 0 235575738 5574656 1011 1992294400 4194304 6416590 548682068912 18446744073709551615 5553607 0 0 4096 0 0 0 0 17 1 0 0
/proc/12177/statm: 1361 1011 250 542 0 810 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 10800
[startup+1.50176 s]
/proc/loadavg: 0.92 0.98 0.99 2/66 12178
/proc/meminfo: memFree=1213328/2055920 swapFree=4181940/4192956
[pid=12176] ppid=12174 vsize=5356 CPUtime=0
/proc/12176/stat : 12176 (kw_pre) S 12174 12176 12043 0 -1 4194304 280 0 0 0 0 0 0 0 18 0 1 0 235575738 5484544 231 1992294400 4194304 4889804 548682068832 18446744073709551615 226238194500 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/12176/statm: 1339 231 192 169 0 50 0
[pid=12177] ppid=12176 vsize=7280 CPUtime=1.49
/proc/12177/stat : 12177 (kw_preprocessor) R 12176 12176 12043 0 -1 0 1460 0 0 0 148 1 0 0 25 0 1 0 235575738 7454720 1436 1992294400 4194304 6416590 548682068912 18446744073709551615 5553607 0 0 4096 0 0 0 0 17 1 0 0
/proc/12177/statm: 1820 1436 250 542 0 1269 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 12636
[startup+3.1019 s]
/proc/loadavg: 0.92 0.98 0.99 2/66 12178
/proc/meminfo: memFree=1211216/2055920 swapFree=4181940/4192956
[pid=12176] ppid=12174 vsize=5356 CPUtime=0
/proc/12176/stat : 12176 (kw_pre) S 12174 12176 12043 0 -1 4194304 280 0 0 0 0 0 0 0 18 0 1 0 235575738 5484544 231 1992294400 4194304 4889804 548682068832 18446744073709551615 226238194500 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/12176/statm: 1339 231 192 169 0 50 0
[pid=12177] ppid=12176 vsize=8996 CPUtime=3.08
/proc/12177/stat : 12177 (kw_preprocessor) R 12176 12176 12043 0 -1 0 1848 0 0 0 306 2 0 0 25 0 1 0 235575738 9211904 1785 1992294400 4194304 6416590 548682068912 18446744073709551615 5553607 0 0 4096 0 0 0 0 17 1 0 0
/proc/12177/statm: 2249 1785 251 542 0 1698 0
Current children cumulated CPU time (s) 3.08
Current children cumulated vsize (KiB) 14352
[startup+6.30118 s]
/proc/loadavg: 0.93 0.98 0.99 2/66 12178
/proc/meminfo: memFree=1209808/2055920 swapFree=4181940/4192956
[pid=12176] ppid=12174 vsize=5356 CPUtime=0
/proc/12176/stat : 12176 (kw_pre) S 12174 12176 12043 0 -1 4194304 280 0 0 0 0 0 0 0 18 0 1 0 235575738 5484544 231 1992294400 4194304 4889804 548682068832 18446744073709551615 226238194500 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/12176/statm: 1339 231 192 169 0 50 0
[pid=12177] ppid=12176 vsize=10312 CPUtime=6.29
/proc/12177/stat : 12177 (kw_preprocessor) R 12176 12176 12043 0 -1 0 2264 0 0 0 625 4 0 0 25 0 1 0 235575738 10559488 2104 1992294400 4194304 6416590 548682068912 18446744073709551615 5553607 0 0 4096 0 0 0 0 17 1 0 0
/proc/12177/statm: 2578 2104 254 542 0 2027 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 15668
[startup+12.7017 s]
/proc/loadavg: 0.93 0.98 0.99 2/66 12178
/proc/meminfo: memFree=1206928/2055920 swapFree=4181940/4192956
[pid=12176] ppid=12174 vsize=5356 CPUtime=0
/proc/12176/stat : 12176 (kw_pre) S 12174 12176 12043 0 -1 4194304 280 0 0 0 0 0 0 0 18 0 1 0 235575738 5484544 231 1992294400 4194304 4889804 548682068832 18446744073709551615 226238194500 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/12176/statm: 1339 231 192 169 0 50 0
[pid=12177] ppid=12176 vsize=12916 CPUtime=12.69
/proc/12177/stat : 12177 (kw_preprocessor) R 12176 12176 12043 0 -1 0 3016 0 0 0 1263 6 0 0 25 0 1 0 235575738 13225984 2727 1992294400 4194304 6416590 548682068912 18446744073709551615 4294541 0 0 4096 0 0 0 0 17 1 0 0
/proc/12177/statm: 3229 2727 254 542 0 2678 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 18272
[startup+25.5019 s]
/proc/loadavg: 0.95 0.98 0.99 2/66 12178
/proc/meminfo: memFree=1203344/2055920 swapFree=4181940/4192956
[pid=12176] ppid=12174 vsize=5356 CPUtime=0
/proc/12176/stat : 12176 (kw_pre) S 12174 12176 12043 0 -1 4194304 280 0 0 0 0 0 0 0 18 0 1 0 235575738 5484544 231 1992294400 4194304 4889804 548682068832 18446744073709551615 226238194500 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/12176/statm: 1339 231 192 169 0 50 0
[pid=12177] ppid=12176 vsize=17072 CPUtime=25.48
/proc/12177/stat : 12177 (kw_preprocessor) R 12176 12176 12043 0 -1 0 4152 0 0 0 2538 10 0 0 25 0 1 0 235575738 17481728 3589 1992294400 4194304 6416590 548682068912 18446744073709551615 5553607 0 0 4096 0 0 0 0 17 1 0 0
/proc/12177/statm: 4268 3589 254 542 0 3717 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 22428
Solver just ended. Dumping a history of the last processes samples
[startup+28.7011 s]
/proc/loadavg: 0.95 0.98 0.99 2/66 12178
/proc/meminfo: memFree=1202832/2055920 swapFree=4181940/4192956
[pid=12176] ppid=12174 vsize=5356 CPUtime=0
/proc/12176/stat : 12176 (kw_pre) S 12174 12176 12043 0 -1 4194304 280 0 0 0 0 0 0 0 18 0 1 0 235575738 5484544 231 1992294400 4194304 4889804 548682068832 18446744073709551615 226238194500 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/12176/statm: 1339 231 192 169 0 50 0
[pid=12177] ppid=12176 vsize=17912 CPUtime=28.68
/proc/12177/stat : 12177 (kw_preprocessor) R 12176 12176 12043 0 -1 0 4353 0 0 0 2857 11 0 0 25 0 1 0 235575738 18341888 3790 1992294400 4194304 6416590 548682068912 18446744073709551615 5553607 0 0 4096 0 0 0 0 17 1 0 0
/proc/12177/statm: 4478 3790 254 542 0 3927 0
Current children cumulated CPU time (s) 28.68
Current children cumulated vsize (KiB) 23268
[startup+30.3013 s]
/proc/loadavg: 0.95 0.98 0.99 2/66 12178
/proc/meminfo: memFree=1201872/2055920 swapFree=4181940/4192956
[pid=12176] ppid=12174 vsize=5356 CPUtime=0
/proc/12176/stat : 12176 (kw_pre) S 12174 12176 12043 0 -1 4194304 280 0 0 0 0 0 0 0 18 0 1 0 235575738 5484544 231 1992294400 4194304 4889804 548682068832 18446744073709551615 226238194500 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/12176/statm: 1339 231 192 169 0 50 0
[pid=12177] ppid=12176 vsize=19604 CPUtime=30.28
/proc/12177/stat : 12177 (kw_preprocessor) R 12176 12176 12043 0 -1 0 4716 0 0 0 3017 11 0 0 25 0 1 0 235575738 20074496 4153 1992294400 4194304 6416590 548682068912 18446744073709551615 4294579 0 0 4096 0 0 0 0 17 1 0 0
/proc/12177/statm: 4901 4153 254 542 0 4350 0
Current children cumulated CPU time (s) 30.28
Current children cumulated vsize (KiB) 24960
[startup+31.9054 s]
/proc/loadavg: 0.95 0.98 0.99 2/66 12178
/proc/meminfo: memFree=1201104/2055920 swapFree=4181940/4192956
[pid=12176] ppid=12174 vsize=5356 CPUtime=0
/proc/12176/stat : 12176 (kw_pre) S 12174 12176 12043 0 -1 4194304 280 0 0 0 0 0 0 0 18 0 1 0 235575738 5484544 231 1992294400 4194304 4889804 548682068832 18446744073709551615 226238194500 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/12176/statm: 1339 231 192 169 0 50 0
[pid=12177] ppid=12176 vsize=19608 CPUtime=31.89
/proc/12177/stat : 12177 (kw_preprocessor) R 12176 12176 12043 0 -1 0 4841 0 0 0 3177 12 0 0 25 0 1 0 235575738 20078592 4158 1992294400 4194304 6416590 548682068912 18446744073709551615 5553607 0 0 4096 0 0 0 0 17 1 0 0
/proc/12177/statm: 4902 4158 254 542 0 4351 0
Current children cumulated CPU time (s) 31.89
Current children cumulated vsize (KiB) 24964
[startup+32.7015 s]
/proc/loadavg: 0.95 0.98 0.99 2/66 12178
/proc/meminfo: memFree=1201104/2055920 swapFree=4181940/4192956
[pid=12176] ppid=12174 vsize=5356 CPUtime=0
/proc/12176/stat : 12176 (kw_pre) S 12174 12176 12043 0 -1 4194304 280 0 0 0 0 0 0 0 18 0 1 0 235575738 5484544 231 1992294400 4194304 4889804 548682068832 18446744073709551615 226238194500 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/12176/statm: 1339 231 192 169 0 50 0
[pid=12177] ppid=12176 vsize=19768 CPUtime=32.68
/proc/12177/stat : 12177 (kw_preprocessor) R 12176 12176 12043 0 -1 0 4870 0 0 0 3256 12 0 0 25 0 1 0 235575738 20242432 4187 1992294400 4194304 6416590 548682068912 18446744073709551615 5553607 0 0 4096 0 0 0 0 17 1 0 0
/proc/12177/statm: 4942 4187 254 542 0 4391 0
Current children cumulated CPU time (s) 32.68
Current children cumulated vsize (KiB) 25124
[startup+33.1015 s]
/proc/loadavg: 0.95 0.98 0.99 2/66 12178
/proc/meminfo: memFree=1201104/2055920 swapFree=4181940/4192956
[pid=12176] ppid=12174 vsize=5356 CPUtime=0
/proc/12176/stat : 12176 (kw_pre) S 12174 12176 12043 0 -1 4194304 280 0 0 0 0 0 0 0 18 0 1 0 235575738 5484544 231 1992294400 4194304 4889804 548682068832 18446744073709551615 226238194500 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/12176/statm: 1339 231 192 169 0 50 0
[pid=12177] ppid=12176 vsize=19768 CPUtime=33.08
/proc/12177/stat : 12177 (kw_preprocessor) R 12176 12176 12043 0 -1 0 4870 0 0 0 3296 12 0 0 25 0 1 0 235575738 20242432 4187 1992294400 4194304 6416590 548682068912 18446744073709551615 4294579 0 0 4096 0 0 0 0 17 1 0 0
/proc/12177/statm: 4942 4187 254 542 0 4391 0
Current children cumulated CPU time (s) 33.08
Current children cumulated vsize (KiB) 25124
[startup+33.2015 s]
/proc/loadavg: 0.95 0.98 0.99 2/66 12178
/proc/meminfo: memFree=1201104/2055920 swapFree=4181940/4192956
[pid=12176] ppid=12174 vsize=5356 CPUtime=0
/proc/12176/stat : 12176 (kw_pre) S 12174 12176 12043 0 -1 4194304 280 0 0 0 0 0 0 0 18 0 1 0 235575738 5484544 231 1992294400 4194304 4889804 548682068832 18446744073709551615 226238194500 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/12176/statm: 1339 231 192 169 0 50 0
[pid=12177] ppid=12176 vsize=19768 CPUtime=33.18
/proc/12177/stat : 12177 (kw_preprocessor) R 12176 12176 12043 0 -1 0 4875 0 0 0 3306 12 0 0 25 0 1 0 235575738 20242432 4192 1992294400 4194304 6416590 548682068912 18446744073709551615 5553607 0 0 4096 0 0 0 0 17 1 0 0
/proc/12177/statm: 4942 4192 254 542 0 4391 0
Current children cumulated CPU time (s) 33.18
Current children cumulated vsize (KiB) 25124
Child status: 0
Real time (s): 33.2112
CPU time (s): 33.203
CPU user time (s): 33.072
CPU system time (s): 0.13098
CPU usage (%): 99.9752
Max. virtual memory (cumulated for all children) (KiB): 25444
getrusage(RUSAGE_CHILDREN,...) data:
user time used= 33.072
system time used= 0.13098
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 5303
page faults= 0
swaps= 0
block input operations= 0
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 10
involuntary context switches= 79
runsolver used 0.040993 second user time and 0.087986 second system time
The end
Begin job on node58 at 2009-05-11 22:58:05
IDJOB=1796420
IDBENCH=20473
IDSOLVER=646
FILE ID=node58/1796420-1242075485
PBS_JOBID= 9277640
Free space on /tmp= 66100 MiB
SOLVER NAME= kw_pre 2009-03-21
BENCH NAME= SAT07/industrial/jarvisalo/eq.atree.braun.8.unsat.cnf
COMMAND LINE= HOME/kw_pre BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1796420-1242075485/watcher-1796420-1242075485 -o /tmp/evaluation-result-1796420-1242075485/solver-1796420-1242075485 -C 1200 -W 1800 -M 1800 HOME/kw_pre HOME/instance-1796420-1242075485.cnf
TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0
MD5SUM BENCH= 35a8bbabf9cb954216ad71150cb47290
RANDOM SEED=546969793
node58.alineos.net Linux 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005
/proc/cpuinfo:
processor : 0
vendor_id : GenuineIntel
cpu family : 15
model : 4
model name : Intel(R) Xeon(TM) CPU 3.00GHz
stepping : 3
cpu MHz : 3000.233
cache size : 2048 KB
fpu : yes
fpu_exception : yes
cpuid level : 5
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm pni monitor ds_cpl cid cx16 xtpr
bogomips : 5914.62
clflush size : 64
cache_alignment : 128
address sizes : 36 bits physical, 48 bits virtual
power management:
processor : 1
vendor_id : GenuineIntel
cpu family : 15
model : 4
model name : Intel(R) Xeon(TM) CPU 3.00GHz
stepping : 3
cpu MHz : 3000.233
cache size : 2048 KB
fpu : yes
fpu_exception : yes
cpuid level : 5
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm pni monitor ds_cpl cid cx16 xtpr
bogomips : 5586.94
clflush size : 64
cache_alignment : 128
address sizes : 36 bits physical, 48 bits virtual
power management:
/proc/meminfo:
MemTotal: 2055920 kB
MemFree: 1217792 kB
Buffers: 66680 kB
Cached: 688828 kB
SwapCached: 4936 kB
Active: 189948 kB
Inactive: 574016 kB
HighTotal: 0 kB
HighFree: 0 kB
LowTotal: 2055920 kB
LowFree: 1217792 kB
SwapTotal: 4192956 kB
SwapFree: 4181940 kB
Dirty: 3064 kB
Writeback: 0 kB
Mapped: 14656 kB
Slab: 60224 kB
Committed_AS: 738312 kB
PageTables: 1356 kB
VmallocTotal: 536870911 kB
VmallocUsed: 264952 kB
VmallocChunk: 536605679 kB
HugePages_Total: 0
HugePages_Free: 0
Hugepagesize: 2048 kB
Free space on /tmp at the end= 66096 MiB
End job on node58 at 2009-05-11 22:58:38