Trace number 333061

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
SAT7 2007-02-08SAT 175.279 175.331

General information on the benchmark

Namecrafted/Medium/contest05/others/
QG7a-gensys-ukn001.sat05-3841.reshuffled-07.cnf
MD5SUM74af041eb51b172e799baf4bb7eaa52f
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark2.43863
Satisfiable
(Un)Satisfiability was proved
Number of variables2737
Number of clauses18375
Sum of the clauses size129048
Maximum clause length13
Minimum clause length1
Number of clauses of size 149
Number of clauses of size 2491
Number of clauses of size 32419
Number of clauses of size 4526
Number of clauses of size 5691
Number of clauses of size over 514199

Solver Data (download as text)

0.09/0.16	c Starting solver ...
0.09/0.16	c Restarting after 100 conflicts
0.09/0.17	c Restarting after 251 conflicts
0.09/0.18	c Restarting after 476 conflicts
0.09/0.19	c Restarting after 813 conflicts
0.19/0.21	c Restarting after 1319 conflicts
0.19/0.24	c Restarting after 2080 conflicts
0.29/0.30	c Restarting after 3220 conflicts
0.39/0.40	c Restarting after 4928 conflicts
0.49/0.58	c Restarting after 7490 conflicts
0.89/0.95	c Restarting after 11336 conflicts
1.49/1.57	c Restarting after 17102 conflicts
2.69/2.71	c Restarting after 25752 conflicts
4.19/4.27	c Restarting after 38726 conflicts
7.19/7.20	c Restarting after 58187 conflicts
12.28/12.30	c Restarting after 87379 conflicts
21.78/21.83	c Restarting after 131168 conflicts
40.58/40.68	c Restarting after 196854 conflicts
75.96/76.02	c Restarting after 295380 conflicts
135.85/135.98	c Restarting after 443169 conflicts
175.24/175.30	s SATISFIABLE
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175.24/175.31	v 0

Verifier Data (download as text)

OK

Watcher Data (download as text)

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

command line: runsolver --timestamp -w ROOT/results/node14/watcher-333061-1173500920 -o ROOT/results/node14/solver-333061-1173500920 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/333061-1173500920/sat7_bin /tmp/evaluation/333061-1173500920/instance-333061-1173500920.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: 1.00 1.18 1.28 3/77 28606
/proc/meminfo: memFree=1528880/2055920 swapFree=4146600/4192956
[pid=28606] ppid=28604 vsize=1336 CPUtime=0
/proc/28606/stat : 28606 (sat7_bin) R 28604 28606 26641 0 -1 4194304 201 0 0 0 0 0 0 0 18 0 1 0 370046427 1368064 184 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532130 0 0 4096 0 0 0 0 17 1 0 0
/proc/28606/statm: 334 184 88 220 0 111 0

[startup+0.0276411 s]
/proc/loadavg: 1.00 1.18 1.28 3/77 28606
/proc/meminfo: memFree=1528880/2055920 swapFree=4146600/4192956
[pid=28606] ppid=28604 vsize=1596 CPUtime=0.02
/proc/28606/stat : 28606 (sat7_bin) R 28604 28606 26641 0 -1 4194304 247 0 0 0 2 0 0 0 18 0 1 0 370046427 1634304 230 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134683822 0 0 4096 0 0 0 0 17 1 0 0
/proc/28606/statm: 399 230 88 220 0 176 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 1596

[startup+0.101648 s]
/proc/loadavg: 1.00 1.18 1.28 3/77 28606
/proc/meminfo: memFree=1528880/2055920 swapFree=4146600/4192956
[pid=28606] ppid=28604 vsize=2112 CPUtime=0.09
/proc/28606/stat : 28606 (sat7_bin) R 28604 28606 26641 0 -1 4194304 398 0 0 0 9 0 0 0 18 0 1 0 370046427 2162688 381 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134547059 0 0 4096 0 0 0 0 17 1 0 0
/proc/28606/statm: 528 381 88 220 0 305 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 2112

[startup+0.301666 s]
/proc/loadavg: 1.00 1.18 1.28 3/77 28606
/proc/meminfo: memFree=1528880/2055920 swapFree=4146600/4192956
[pid=28606] ppid=28604 vsize=5332 CPUtime=0.29
/proc/28606/stat : 28606 (sat7_bin) R 28604 28606 26641 0 -1 4194304 681 0 0 0 29 0 0 0 19 0 1 0 370046427 5459968 664 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 135014412 0 0 4096 0 0 0 0 17 1 0 0
/proc/28606/statm: 1333 664 95 220 0 1110 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 5332

[startup+0.701703 s]
/proc/loadavg: 1.00 1.18 1.28 3/77 28606
/proc/meminfo: memFree=1528880/2055920 swapFree=4146600/4192956
[pid=28606] ppid=28604 vsize=5332 CPUtime=0.69
/proc/28606/stat : 28606 (sat7_bin) R 28604 28606 26641 0 -1 4194304 899 0 0 0 69 0 0 0 23 0 1 0 370046427 5459968 882 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532521 0 0 4096 0 0 0 0 17 1 0 0
/proc/28606/statm: 1333 882 95 220 0 1110 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 5332

[startup+1.50178 s]
/proc/loadavg: 1.00 1.18 1.28 2/78 28607
/proc/meminfo: memFree=1525160/2055920 swapFree=4146600/4192956
[pid=28606] ppid=28604 vsize=5332 CPUtime=1.49
/proc/28606/stat : 28606 (sat7_bin) R 28604 28606 26641 0 -1 4194304 1178 0 0 0 149 0 0 0 25 0 1 0 370046427 5459968 1161 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532412 0 0 4096 0 0 0 0 17 1 0 0
/proc/28606/statm: 1333 1161 95 220 0 1110 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 5332

[startup+3.10193 s]
/proc/loadavg: 1.00 1.18 1.28 2/78 28607
/proc/meminfo: memFree=1524264/2055920 swapFree=4146600/4192956
[pid=28606] ppid=28604 vsize=9432 CPUtime=3.09
/proc/28606/stat : 28606 (sat7_bin) R 28604 28606 26641 0 -1 4194304 1309 0 0 0 309 0 0 0 25 0 1 0 370046427 9658368 1292 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532383 0 0 4096 0 0 0 0 17 1 0 0
/proc/28606/statm: 2358 1292 95 220 0 2135 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 9432

[startup+6.30123 s]
/proc/loadavg: 1.00 1.18 1.28 2/78 28607
/proc/meminfo: memFree=1523176/2055920 swapFree=4146600/4192956
[pid=28606] ppid=28604 vsize=9564 CPUtime=6.29
/proc/28606/stat : 28606 (sat7_bin) R 28604 28606 26641 0 -1 4194304 1495 0 0 0 628 1 0 0 25 0 1 0 370046427 9793536 1478 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532333 0 0 4096 0 0 0 0 17 1 0 0
/proc/28606/statm: 2391 1478 95 220 0 2168 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 9564

[startup+12.7018 s]
/proc/loadavg: 1.00 1.17 1.27 2/78 28607
/proc/meminfo: memFree=1522160/2055920 swapFree=4146600/4192956
[pid=28606] ppid=28604 vsize=9960 CPUtime=12.68
/proc/28606/stat : 28606 (sat7_bin) R 28604 28606 26641 0 -1 4194304 1712 0 0 0 1267 1 0 0 25 0 1 0 370046427 10199040 1695 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532525 0 0 4096 0 0 0 0 17 1 0 0
/proc/28606/statm: 2490 1695 95 220 0 2267 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 9960

[startup+25.501 s]
/proc/loadavg: 1.00 1.17 1.27 2/78 28607
/proc/meminfo: memFree=1521264/2055920 swapFree=4146600/4192956
[pid=28606] ppid=28604 vsize=10228 CPUtime=25.49
/proc/28606/stat : 28606 (sat7_bin) R 28604 28606 26641 0 -1 4194304 1938 0 0 0 2547 2 0 0 25 0 1 0 370046427 10473472 1921 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532571 0 0 4096 0 0 0 0 17 1 0 0
/proc/28606/statm: 2557 1921 95 220 0 2334 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 10228

[startup+51.1015 s]
/proc/loadavg: 1.00 1.15 1.26 2/78 28607
/proc/meminfo: memFree=1519728/2055920 swapFree=4146600/4192956
[pid=28606] ppid=28604 vsize=10780 CPUtime=51.07
/proc/28606/stat : 28606 (sat7_bin) R 28604 28606 26641 0 -1 4194304 2331 0 0 0 5105 2 0 0 25 0 1 0 370046427 11038720 2314 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532514 0 0 4096 0 0 0 0 17 1 0 0
/proc/28606/statm: 2695 2314 95 220 0 2472 0
Current children cumulated CPU time (s) 51.07
Current children cumulated vsize (KiB) 10780

[startup+102.305 s]
/proc/loadavg: 1.00 1.12 1.25 2/78 28607
/proc/meminfo: memFree=1518064/2055920 swapFree=4146600/4192956
[pid=28606] ppid=28604 vsize=15580 CPUtime=102.27
/proc/28606/stat : 28606 (sat7_bin) R 28604 28606 26641 0 -1 4194304 2732 0 0 0 10224 3 0 0 25 0 1 0 370046427 15953920 2715 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532614 0 0 4096 0 0 0 0 17 1 0 0
/proc/28606/statm: 3895 2715 95 220 0 3672 0
Current children cumulated CPU time (s) 102.27
Current children cumulated vsize (KiB) 15580

[startup+162.302 s]
/proc/loadavg: 1.00 1.10 1.23 2/78 28607
/proc/meminfo: memFree=1516592/2055920 swapFree=4146600/4192956
[pid=28606] ppid=28604 vsize=16408 CPUtime=162.24
/proc/28606/stat : 28606 (sat7_bin) R 28604 28606 26641 0 -1 4194304 3102 0 0 0 16221 3 0 0 25 0 1 0 370046427 16801792 3085 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532412 0 0 4096 0 0 0 0 17 1 0 0
/proc/28606/statm: 4102 3085 95 220 0 3879 0
Current children cumulated CPU time (s) 162.24
Current children cumulated vsize (KiB) 16408

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

[startup+166.301 s]
/proc/loadavg: 1.00 1.10 1.23 2/78 28607
/proc/meminfo: memFree=1516528/2055920 swapFree=4146600/4192956
[pid=28606] ppid=28604 vsize=16544 CPUtime=166.24
/proc/28606/stat : 28606 (sat7_bin) R 28604 28606 26641 0 -1 4194304 3114 0 0 0 16621 3 0 0 25 0 1 0 370046427 16941056 3097 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532412 0 0 4096 0 0 0 0 17 1 0 0
/proc/28606/statm: 4136 3097 95 220 0 3913 0
Current children cumulated CPU time (s) 166.24
Current children cumulated vsize (KiB) 16544

[startup+169.502 s]
/proc/loadavg: 1.00 1.10 1.23 2/78 28607
/proc/meminfo: memFree=1516400/2055920 swapFree=4146600/4192956
[pid=28606] ppid=28604 vsize=16544 CPUtime=169.45
/proc/28606/stat : 28606 (sat7_bin) R 28604 28606 26641 0 -1 4194304 3142 0 0 0 16941 4 0 0 25 0 1 0 370046427 16941056 3125 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532419 0 0 4096 0 0 0 0 17 1 0 0
/proc/28606/statm: 4136 3125 95 220 0 3913 0
Current children cumulated CPU time (s) 169.45
Current children cumulated vsize (KiB) 16544

[startup+172.706 s]
/proc/loadavg: 1.00 1.10 1.23 2/78 28607
/proc/meminfo: memFree=1516400/2055920 swapFree=4146600/4192956
[pid=28606] ppid=28604 vsize=16544 CPUtime=172.65
/proc/28606/stat : 28606 (sat7_bin) R 28604 28606 26641 0 -1 4194304 3142 0 0 0 17261 4 0 0 25 0 1 0 370046427 16941056 3125 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532412 0 0 4096 0 0 0 0 17 1 0 0
/proc/28606/statm: 4136 3125 95 220 0 3913 0
Current children cumulated CPU time (s) 172.65
Current children cumulated vsize (KiB) 16544

[startup+174.301 s]
/proc/loadavg: 1.00 1.10 1.23 2/78 28607
/proc/meminfo: memFree=1516400/2055920 swapFree=4146600/4192956
[pid=28606] ppid=28604 vsize=16544 CPUtime=174.24
/proc/28606/stat : 28606 (sat7_bin) R 28604 28606 26641 0 -1 4194304 3143 0 0 0 17420 4 0 0 25 0 1 0 370046427 16941056 3126 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532559 0 0 4096 0 0 0 0 17 1 0 0
/proc/28606/statm: 4136 3126 95 220 0 3913 0
Current children cumulated CPU time (s) 174.24
Current children cumulated vsize (KiB) 16544

[startup+175.101 s]
/proc/loadavg: 1.00 1.10 1.23 3/78 28607
/proc/meminfo: memFree=1516400/2055920 swapFree=4146600/4192956
[pid=28606] ppid=28604 vsize=16544 CPUtime=175.04
/proc/28606/stat : 28606 (sat7_bin) R 28604 28606 26641 0 -1 4194304 3145 0 0 0 17500 4 0 0 25 0 1 0 370046427 16941056 3128 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532433 0 0 4096 0 0 0 0 17 1 0 0
/proc/28606/statm: 4136 3128 95 220 0 3913 0
Current children cumulated CPU time (s) 175.04
Current children cumulated vsize (KiB) 16544

[startup+175.301 s]
/proc/loadavg: 1.00 1.10 1.23 3/78 28607
/proc/meminfo: memFree=1516400/2055920 swapFree=4146600/4192956
[pid=28606] ppid=28604 vsize=16544 CPUtime=175.24
/proc/28606/stat : 28606 (sat7_bin) R 28604 28606 26641 0 -1 4194304 3147 0 0 0 17520 4 0 0 25 0 1 0 370046427 16941056 3130 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532383 0 0 4096 0 0 0 0 17 1 0 0
/proc/28606/statm: 4136 3130 95 220 0 3913 0
Current children cumulated CPU time (s) 175.24
Current children cumulated vsize (KiB) 16544

Child status: 10
Real time (s): 175.331
CPU time (s): 175.279
CPU user time (s): 175.233
CPU system time (s): 0.045993
CPU usage (%): 99.9707
Max. virtual memory (cumulated for all children) (KiB): 16544

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 175.233
system time used= 0.045993
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 3147
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= 7
involuntary context switches= 3809

runsolver used 0.202969 second user time and 0.440932 second system time

The end

Launcher Data (download as text)

Begin job on node14 on Sat Mar 10 04:28:40 UTC 2007

IDJOB= 333061
IDBENCH= 24595
IDSOLVER= 101
FILE ID= node14/333061-1173500920

PBS_JOBID= 4101106

Free space on /tmp= 66545 MiB

SOLVER NAME= SAT7 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/crafted/Medium/contest05/others/QG7a-gensys-ukn001.sat05-3841.reshuffled-07.cnf
COMMAND LINE= /tmp/evaluation/333061-1173500920/sat7_bin /tmp/evaluation/333061-1173500920/instance-333061-1173500920.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node14/watcher-333061-1173500920 -o ROOT/results/node14/solver-333061-1173500920 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/333061-1173500920/sat7_bin /tmp/evaluation/333061-1173500920/instance-333061-1173500920.cnf            

META MD5SUM SOLVER= 499b432f7af158d8586c91b2e490220f
MD5SUM BENCH=  74af041eb51b172e799baf4bb7eaa52f

RANDOM SEED= 347767757

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node14.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		: 3000.216
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		: 3000.216
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:       1529224 kB
Buffers:         50344 kB
Cached:         388852 kB
SwapCached:      14908 kB
Active:         225000 kB
Inactive:       237272 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1529224 kB
SwapTotal:     4192956 kB
SwapFree:      4146600 kB
Dirty:            1848 kB
Writeback:           0 kB
Mapped:          29784 kB
Slab:            49968 kB
Committed_AS:  1248284 kB
PageTables:       1736 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= 66545 MiB

End job on node14 on Sat Mar 10 04:31:36 UTC 2007