Trace number 332764

Some explanations

A solver is run under the control of another program named runsolver. runsolver is in charge of imposing the CPU time limit and the memory limit to the solver. It also monitors some information about the process. The trace of the execution of a solver is divided into four (or five) parts:
  1. SOLVER DATA
    This is the output of the solver (stdout and stderr).
    Note that some very long lines in this section may be truncated by your web browser ! In such a case, you may want to use the "Download as text" link to get the trace as a text file.

    When the --timestamp option is passed to the runsolver program, each line output by the solver is prepended with a timestamp which indicates at what time the line was output by the solver. Times are relative to the start of the program, given in seconds, and are wall clock time (not CPU time).

    As some 'v lines' may be very long (sometimes several megabytes), the 'v line' output by your solver may be split on several lines to help limit the size of the trace recorded in the database. In any case, the exact output of your solver is preserved in a trace file.
  2. VERIFIER DATA
    The output of the solver is piped to a verifier program which will search a value line "v " and, if found, will check that the given interpretation satisfies all constraints.
  3. CONVERSION SCRIPT DATA (Optionnal)
    When a conversion script is used, this section shows the messages that were output by the conversion script.
  4. WATCHER DATA
    This is the informations gathered by the runsolver program. It first prints the different limits. There's a first limit on CPU time set to X seconds (see the parameters in the trace). After this time has ellapsed, runsolver sends a SIGTERM and 2 seconds later a SIGKILL to the solver. For safety, there's also another limit set to X+30 seconds which will send a SIGXPU to the solver. The last limit is on the virtual memory used by the process (see the parameters in the trace).
    Every ten seconds, the runsolver process fetches the content of /proc/loadavg, /proc/pid/stat and /proc/pid/statm (see man proc) and prints it as raw data. This is only recorded in case we need to investigate the behaviour of a solver. The memory used by the solver (vsize) is also given every ten seconds.
    When the solver exits, runsolver prints some informations such as status and time. CPU usage is the ratio CPU Time/Real Time.
  5. LAUNCHER DATA
    These informations are related to the script which will launch the solver. The most important informations are the command line given to the solver, the md5sum of the different files and the dump of the /proc/cpuinfo and /proc/meminfo which provides some useful information on the computer.

Solver answer on this benchmark

Solver NameAnswerCPU timeWall clock time
TTS 4.0UNSAT 21.6967 21.7043

General information on the benchmark

Namecrafted/Medium/contest05/pebbling/
unsat-pbl-00150.sat05-1328.reshuffled-07.cnf
MD5SUMb89dce22e5369c8081062018c6eea272
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark1.37979
Satisfiable
(Un)Satisfiability was proved
Number of variables552
Number of clauses30977
Sum of the clauses size265108
Maximum clause length11
Minimum clause length1
Number of clauses of size 14
Number of clauses of size 29
Number of clauses of size 3112
Number of clauses of size 4194
Number of clauses of size 5765
Number of clauses of size over 529893

Solver Data (download as text)

21.58/21.69	c Command: /tmp/evaluation/332764-1173489101/tts-4-0 /tmp/evaluation/332764-1173489101/instance-332764-1173489101.cnf 
21.58/21.69	c CPU limit set to 1200.000000
21.58/21.69	c Variables = 552
21.58/21.69	c Clauses = 30977
21.58/21.69	c Literals = 265108
21.58/21.69	c Reduced size:
21.58/21.69	c Variables = 552
21.58/21.69	c Clauses = 30973
21.58/21.69	c Literals = 264438
21.58/21.69	c Independent sub-problems = 1
21.58/21.69	c Sub-problem with 548 variables
21.58/21.69	c using permutation method 4
21.58/21.69	c Ordering finished 1.240 seconds
21.58/21.69	c mapped 1.260 seconds
21.58/21.69	c permuted 1.260 seconds
21.58/21.69	c init finished 1.330 seconds
21.58/21.69	c tree built 1.690 seconds
21.58/21.69	c Partial assignments = 333500, improvements = 120673
21.58/21.69	s UNSATISFIABLE
21.58/21.69	c Time = 21.68 seconds

Verifier Data (download as text)

No possible verification on an UNSAT instance

Watcher Data (download as text)

runsolver version 3.2.1 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node3/watcher-332764-1173489101 -o ROOT/results/node3/solver-332764-1173489101 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/332764-1173489101/tts-4-0 /tmp/evaluation/332764-1173489101/instance-332764-1173489101.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): 2400 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
Solver output will be limited to a maximum of 15728640 bytes. The first 1048576 bytes and the last 14680064 bytes will be preserved
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 0.91 0.97 0.97 3/77 23053
/proc/meminfo: memFree=1574632/2055920 swapFree=4158660/4192956
[pid=23053] ppid=23051 vsize=796 CPUtime=0
/proc/23053/stat : 23053 (tts-4-0) R 23051 23053 21208 0 -1 4194304 108 0 0 0 0 0 0 0 18 0 1 0 368864956 815104 93 18446744073709551615 134512640 134976056 4294956704 18446744073709551615 134744294 0 0 4096 0 0 0 0 17 1 0 0
/proc/23053/statm: 199 94 57 113 0 83 0

[startup+0.064564 s]
/proc/loadavg: 0.91 0.97 0.97 3/77 23053
/proc/meminfo: memFree=1574632/2055920 swapFree=4158660/4192956
[pid=23053] ppid=23051 vsize=2444 CPUtime=0.06
/proc/23053/stat : 23053 (tts-4-0) R 23051 23053 21208 0 -1 4194304 511 0 0 0 6 0 0 0 18 0 1 0 368864956 2502656 496 18446744073709551615 134512640 134976056 4294956704 18446744073709551615 134627035 0 0 4096 0 0 0 0 17 1 0 0
/proc/23053/statm: 611 496 57 113 0 495 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 2444

[startup+0.101566 s]
/proc/loadavg: 0.91 0.97 0.97 3/77 23053
/proc/meminfo: memFree=1574632/2055920 swapFree=4158660/4192956
[pid=23053] ppid=23051 vsize=3404 CPUtime=0.09
/proc/23053/stat : 23053 (tts-4-0) R 23051 23053 21208 0 -1 4194304 756 0 0 0 9 0 0 0 18 0 1 0 368864956 3485696 741 18446744073709551615 134512640 134976056 4294956704 18446744073709551615 134627035 0 0 4096 0 0 0 0 17 1 0 0
/proc/23053/statm: 851 742 57 113 0 735 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3404

[startup+0.301582 s]
/proc/loadavg: 0.91 0.97 0.97 3/77 23053
/proc/meminfo: memFree=1574632/2055920 swapFree=4158660/4192956
[pid=23053] ppid=23051 vsize=4360 CPUtime=0.29
/proc/23053/stat : 23053 (tts-4-0) R 23051 23053 21208 0 -1 4194304 976 0 0 0 29 0 0 0 19 0 1 0 368864956 4464640 961 18446744073709551615 134512640 134976056 4294956704 18446744073709551615 134538287 0 0 4096 0 0 0 0 17 1 0 0
/proc/23053/statm: 1090 961 59 113 0 974 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4360

[startup+0.701614 s]
/proc/loadavg: 0.91 0.97 0.97 3/77 23053
/proc/meminfo: memFree=1574632/2055920 swapFree=4158660/4192956
[pid=23053] ppid=23051 vsize=10328 CPUtime=0.69
/proc/23053/stat : 23053 (tts-4-0) R 23051 23053 21208 0 -1 4194304 2401 0 0 0 68 1 0 0 23 0 1 0 368864956 10575872 2386 18446744073709551615 134512640 134976056 4294956704 18446744073709551615 134554181 0 0 4096 0 0 0 0 17 1 0 0
/proc/23053/statm: 2582 2386 62 113 0 2466 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 10328

[startup+1.50168 s]
/proc/loadavg: 0.91 0.97 0.97 2/78 23054
/proc/meminfo: memFree=1564192/2055920 swapFree=4158660/4192956
[pid=23053] ppid=23051 vsize=17688 CPUtime=1.49
/proc/23053/stat : 23053 (tts-4-0) R 23051 23053 21208 0 -1 4194304 4343 0 0 0 147 2 0 0 25 0 1 0 368864956 18112512 4280 18446744073709551615 134512640 134976056 4294956704 18446744073709551615 134627035 0 0 4096 0 0 0 0 17 1 0 0
/proc/23053/statm: 4422 4280 65 113 0 4306 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 17688

[startup+3.10282 s]
/proc/loadavg: 0.92 0.97 0.97 2/78 23054
/proc/meminfo: memFree=1552544/2055920 swapFree=4158660/4192956
[pid=23053] ppid=23051 vsize=23320 CPUtime=3.09
/proc/23053/stat : 23053 (tts-4-0) R 23051 23053 21208 0 -1 4194304 5791 0 0 0 307 2 0 0 25 0 1 0 368864956 23879680 5728 18446744073709551615 134512640 134976056 4294956704 18446744073709551615 134591676 0 0 4096 0 0 0 0 17 1 0 0
/proc/23053/statm: 5830 5728 66 113 0 5714 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 23320

[startup+6.30107 s]
/proc/loadavg: 0.92 0.97 0.97 2/78 23054
/proc/meminfo: memFree=1549472/2055920 swapFree=4158660/4192956
[pid=23053] ppid=23051 vsize=26416 CPUtime=6.29
/proc/23053/stat : 23053 (tts-4-0) R 23051 23053 21208 0 -1 4194304 6534 0 0 0 627 2 0 0 25 0 1 0 368864956 27049984 6471 18446744073709551615 134512640 134976056 4294956704 18446744073709551615 134534103 0 0 4096 0 0 0 0 17 1 0 0
/proc/23053/statm: 6604 6471 66 113 0 6488 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 26416

[startup+12.7016 s]
/proc/loadavg: 0.93 0.97 0.97 2/78 23054
/proc/meminfo: memFree=1543456/2055920 swapFree=4158660/4192956
[pid=23053] ppid=23051 vsize=32048 CPUtime=12.69
/proc/23053/stat : 23053 (tts-4-0) R 23051 23053 21208 0 -1 4194304 7949 0 0 0 1266 3 0 0 25 0 1 0 368864956 32817152 7886 18446744073709551615 134512640 134976056 4294956704 18446744073709551615 134534114 0 0 4096 0 0 0 0 17 1 0 0
/proc/23053/statm: 8012 7886 66 113 0 7896 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 32048

Solver just ended. Dumping a history of the last processes samples

[startup+15.9019 s]
/proc/loadavg: 0.93 0.97 0.97 2/78 23054
/proc/meminfo: memFree=1541408/2055920 swapFree=4158660/4192956
[pid=23053] ppid=23051 vsize=33952 CPUtime=15.89
/proc/23053/stat : 23053 (tts-4-0) R 23051 23053 21208 0 -1 4194304 8451 0 0 0 1586 3 0 0 25 0 1 0 368864956 34766848 8388 18446744073709551615 134512640 134976056 4294956704 18446744073709551615 134534396 0 0 4096 0 0 0 0 17 1 0 0
/proc/23053/statm: 8488 8388 66 113 0 8372 0
Current children cumulated CPU time (s) 15.89
Current children cumulated vsize (KiB) 33952

[startup+19.1011 s]
/proc/loadavg: 0.94 0.97 0.97 2/78 23054
/proc/meminfo: memFree=1539360/2055920 swapFree=4158660/4192956
[pid=23053] ppid=23051 vsize=36060 CPUtime=19.09
/proc/23053/stat : 23053 (tts-4-0) R 23051 23053 21208 0 -1 4194304 8964 0 0 0 1906 3 0 0 25 0 1 0 368864956 36925440 8901 18446744073709551615 134512640 134976056 4294956704 18446744073709551615 134534140 0 0 4096 0 0 0 0 17 1 0 0
/proc/23053/statm: 9015 8901 66 113 0 8899 0
Current children cumulated CPU time (s) 19.09
Current children cumulated vsize (KiB) 36060

[startup+20.7013 s]
/proc/loadavg: 0.94 0.97 0.97 2/78 23054
/proc/meminfo: memFree=1538656/2055920 swapFree=4158660/4192956
[pid=23053] ppid=23051 vsize=36764 CPUtime=20.68
/proc/23053/stat : 23053 (tts-4-0) R 23051 23053 21208 0 -1 4194304 9162 0 0 0 2065 3 0 0 25 0 1 0 368864956 37646336 9099 18446744073709551615 134512640 134976056 4294956704 18446744073709551615 134534120 0 0 4096 0 0 0 0 17 1 0 0
/proc/23053/statm: 9191 9099 66 113 0 9075 0
Current children cumulated CPU time (s) 20.68
Current children cumulated vsize (KiB) 36764

[startup+21.5013 s]
/proc/loadavg: 0.94 0.97 0.97 2/78 23054
/proc/meminfo: memFree=1538208/2055920 swapFree=4158660/4192956
[pid=23053] ppid=23051 vsize=37000 CPUtime=21.48
/proc/23053/stat : 23053 (tts-4-0) R 23051 23053 21208 0 -1 4194304 9218 0 0 0 2145 3 0 0 25 0 1 0 368864956 37888000 9155 18446744073709551615 134512640 134976056 4294956704 18446744073709551615 134534117 0 0 4096 0 0 0 0 17 1 0 0
/proc/23053/statm: 9250 9155 66 113 0 9134 0
Current children cumulated CPU time (s) 21.48
Current children cumulated vsize (KiB) 37000

[startup+21.7013 s]
/proc/loadavg: 0.94 0.97 0.97 2/78 23054
/proc/meminfo: memFree=1538208/2055920 swapFree=4158660/4192956
[pid=23053] ppid=23051 vsize=0 CPUtime=21.69
/proc/23053/stat : 23053 (tts-4-0) R 23051 23053 21208 0 -1 4194308 9228 0 0 0 2165 4 0 0 25 0 1 0 368864956 0 0 18446744073709551615 0 0 0 0 0 0 0 4096 0 0 0 0 17 1 0 0
/proc/23053/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 21.69
Current children cumulated vsize (KiB) 0

Child status: 20
Real time (s): 21.7043
CPU time (s): 21.6967
CPU user time (s): 21.6537
CPU system time (s): 0.042993
CPU usage (%): 99.9652
Max. virtual memory (cumulated for all children) (KiB): 37000

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 21.6537
system time used= 0.042993
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 9228
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= 8
involuntary context switches= 454

runsolver used 0.026995 second user time and 0.055991 second system time

The end

Launcher Data (download as text)

Begin job on node3 on Sat Mar 10 01:11:41 UTC 2007

IDJOB= 332764
IDBENCH= 24588
IDSOLVER= 98
FILE ID= node3/332764-1173489101

PBS_JOBID= 4101078

Free space on /tmp= 66497 MiB

SOLVER NAME= TTS 4.0
BENCH NAME= HOME/pub/bench/SAT07/crafted/Medium/contest05/pebbling/unsat-pbl-00150.sat05-1328.reshuffled-07.cnf
COMMAND LINE= /tmp/evaluation/332764-1173489101/tts-4-0 /tmp/evaluation/332764-1173489101/instance-332764-1173489101.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node3/watcher-332764-1173489101 -o ROOT/results/node3/solver-332764-1173489101 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/332764-1173489101/tts-4-0 /tmp/evaluation/332764-1173489101/instance-332764-1173489101.cnf            

META MD5SUM SOLVER= 73a7a27d0c2e86f9b1191433fde766ff
MD5SUM BENCH=  b89dce22e5369c8081062018c6eea272

RANDOM SEED= 111205992

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node3.alineos.net 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005 x86_64 x86_64 x86_64 GNU/Linux

/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		: 3000.241
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		: 3000.241
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:       1575104 kB
Buffers:         47372 kB
Cached:         342284 kB
SwapCached:       2568 kB
Active:         177008 kB
Inactive:       237940 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1575104 kB
SwapTotal:     4192956 kB
SwapFree:      4158660 kB
Dirty:            1800 kB
Writeback:           0 kB
Mapped:          32984 kB
Slab:            51524 kB
Committed_AS:  1491312 kB
PageTables:       1660 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= 66497 MiB

End job on node3 on Sat Mar 10 01:12:03 UTC 2007