Trace number 1784705

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. The first timestamp (if present) is estimated CPU time. The last timestamp is wall clock 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
SApperloT baseSAT 89.1394 89.1734

General information on the benchmark

Namecrafted/Medium/contest05/others/
QG7a-gensys-ukn005.sat05-3845.reshuffled-07.cnf
MD5SUM50ea7ab54b71dd15b01cd5fd293d58eb
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1.76173
Satisfiable
(Un)Satisfiability was proved
Number of variables2765
Number of clauses18046
Sum of the clauses size127926
Maximum clause length13
Minimum clause length1
Number of clauses of size 135
Number of clauses of size 2400
Number of clauses of size 32372
Number of clauses of size 4481
Number of clauses of size 5648
Number of clauses of size over 514110

Solver Data

89.06/89.17	
89.06/89.17	s SATISFIABLE
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Verifier Data

OK

Watcher Data

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1784705-1241864790/watcher-1784705-1241864790 -o /tmp/evaluation-result-1784705-1241864790/solver-1784705-1241864790 -C 5000 -W 6000 -M 1800 --output-limit 1,128 HOME/SApperloT-base -seed=1136294904 HOME/instance-1784705-1241864790.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 5000 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 5030 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 6000 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 134217728 bytes. The first 1048576 bytes and the last 133169152 bytes will be preserved
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 1.00 1.00 0.91 3/65 27616
/proc/meminfo: memFree=1831840/2055920 swapFree=4162540/4192956
[pid=27616] ppid=27614 vsize=1580 CPUtime=0
/proc/27616/stat : 27616 (SApperloT-base) R 27614 27616 26795 0 -1 4194304 191 0 0 0 0 0 0 0 20 0 1 0 214507938 1617920 175 1992294400 134512640 135674940 4294956208 18446744073709551615 135113206 0 0 4096 0 0 0 0 17 1 0 0
/proc/27616/statm: 395 175 91 283 0 109 0

[startup+0.0627959 s]
/proc/loadavg: 1.00 1.00 0.91 3/65 27616
/proc/meminfo: memFree=1831840/2055920 swapFree=4162540/4192956
[pid=27616] ppid=27614 vsize=3032 CPUtime=0.05
/proc/27616/stat : 27616 (SApperloT-base) R 27614 27616 26795 0 -1 4194304 568 0 0 0 5 0 0 0 20 0 1 0 214507938 3104768 551 1992294400 134512640 135674940 4294956208 18446744073709551615 135113206 0 0 4096 0 0 0 0 17 1 0 0
/proc/27616/statm: 758 551 98 283 0 472 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 3032

[startup+0.101802 s]
/proc/loadavg: 1.00 1.00 0.91 3/65 27616
/proc/meminfo: memFree=1831840/2055920 swapFree=4162540/4192956
[pid=27616] ppid=27614 vsize=3296 CPUtime=0.09
/proc/27616/stat : 27616 (SApperloT-base) R 27614 27616 26795 0 -1 4194304 627 0 0 0 9 0 0 0 20 0 1 0 214507938 3375104 610 1992294400 134512640 135674940 4294956208 18446744073709551615 135113206 0 0 4096 0 0 0 0 17 1 0 0
/proc/27616/statm: 824 610 98 283 0 538 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3296

[startup+0.301844 s]
/proc/loadavg: 1.00 1.00 0.91 3/65 27616
/proc/meminfo: memFree=1831840/2055920 swapFree=4162540/4192956
[pid=27616] ppid=27614 vsize=4220 CPUtime=0.29
/proc/27616/stat : 27616 (SApperloT-base) R 27614 27616 26795 0 -1 4194304 855 0 0 0 29 0 0 0 22 0 1 0 214507938 4321280 838 1992294400 134512640 135674940 4294956208 18446744073709551615 134565273 0 0 4096 0 0 0 0 17 1 0 0
/proc/27616/statm: 1055 838 98 283 0 769 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4220

[startup+0.701925 s]
/proc/loadavg: 1.00 1.00 0.91 3/65 27616
/proc/meminfo: memFree=1831840/2055920 swapFree=4162540/4192956
[pid=27616] ppid=27614 vsize=4908 CPUtime=0.69
/proc/27616/stat : 27616 (SApperloT-base) R 27614 27616 26795 0 -1 4194304 1042 0 0 0 69 0 0 0 25 0 1 0 214507938 5025792 1025 1992294400 134512640 135674940 4294956208 18446744073709551615 134543046 0 0 4096 0 0 0 0 17 1 0 0
/proc/27616/statm: 1227 1025 98 283 0 941 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 4908

[startup+1.50109 s]
/proc/loadavg: 1.00 1.00 0.91 2/66 27617
/proc/meminfo: memFree=1827864/2055920 swapFree=4162540/4192956
[pid=27616] ppid=27614 vsize=5700 CPUtime=1.49
/proc/27616/stat : 27616 (SApperloT-base) R 27614 27616 26795 0 -1 4194304 1214 0 0 0 149 0 0 0 25 0 1 0 214507938 5836800 1197 1992294400 134512640 135674940 4294956208 18446744073709551615 134565200 0 0 4096 0 0 0 0 17 1 0 0
/proc/27616/statm: 1425 1197 98 283 0 1139 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 5700

[startup+3.10141 s]
/proc/loadavg: 1.00 1.00 0.91 2/66 27617
/proc/meminfo: memFree=1826904/2055920 swapFree=4162540/4192956
[pid=27616] ppid=27614 vsize=6628 CPUtime=3.09
/proc/27616/stat : 27616 (SApperloT-base) R 27614 27616 26795 0 -1 4194304 1472 0 0 0 309 0 0 0 25 0 1 0 214507938 6787072 1455 1992294400 134512640 135674940 4294956208 18446744073709551615 134551974 0 0 4096 0 0 0 0 17 1 0 0
/proc/27616/statm: 1657 1455 98 283 0 1371 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 6628

[startup+6.30106 s]
/proc/loadavg: 1.00 1.00 0.91 2/66 27617
/proc/meminfo: memFree=1825880/2055920 swapFree=4162540/4192956
[pid=27616] ppid=27614 vsize=7168 CPUtime=6.29
/proc/27616/stat : 27616 (SApperloT-base) R 27614 27616 26795 0 -1 4194304 1595 0 0 0 629 0 0 0 25 0 1 0 214507938 7340032 1578 1992294400 134512640 135674940 4294956208 18446744073709551615 134564776 0 0 4096 0 0 0 0 17 1 0 0
/proc/27616/statm: 1792 1578 99 283 0 1506 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 7168

[startup+12.7014 s]
/proc/loadavg: 1.00 1.00 0.91 2/66 27617
/proc/meminfo: memFree=1824416/2055920 swapFree=4162540/4192956
[pid=27616] ppid=27614 vsize=8608 CPUtime=12.69
/proc/27616/stat : 27616 (SApperloT-base) R 27614 27616 26795 0 -1 4194304 1927 0 0 0 1268 1 0 0 25 0 1 0 214507938 8814592 1910 1992294400 134512640 135674940 4294956208 18446744073709551615 134564660 0 0 4096 0 0 0 0 17 1 0 0
/proc/27616/statm: 2152 1910 99 283 0 1866 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 8608

[startup+25.502 s]
/proc/loadavg: 1.00 1.00 0.91 2/66 27617
/proc/meminfo: memFree=1822816/2055920 swapFree=4162540/4192956
[pid=27616] ppid=27614 vsize=10316 CPUtime=25.48
/proc/27616/stat : 27616 (SApperloT-base) R 27614 27616 26795 0 -1 4194304 2305 0 0 0 2547 1 0 0 25 0 1 0 214507938 10563584 2288 1992294400 134512640 135674940 4294956208 18446744073709551615 134579792 0 0 4096 0 0 0 0 17 1 0 0
/proc/27616/statm: 2579 2288 99 283 0 2293 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 10316

[startup+51.1012 s]
/proc/loadavg: 1.00 1.00 0.91 2/66 27617
/proc/meminfo: memFree=1820384/2055920 swapFree=4162540/4192956
[pid=27616] ppid=27614 vsize=13024 CPUtime=51.07
/proc/27616/stat : 27616 (SApperloT-base) R 27614 27616 26795 0 -1 4194304 2910 0 0 0 5105 2 0 0 25 0 1 0 214507938 13336576 2893 1992294400 134512640 135674940 4294956208 18446744073709551615 134564660 0 0 4096 0 0 0 0 17 1 0 0
/proc/27616/statm: 3256 2893 99 283 0 2970 0
Current children cumulated CPU time (s) 51.07
Current children cumulated vsize (KiB) 13024

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

[startup+63.9018 s]
/proc/loadavg: 1.00 1.00 0.91 2/66 27617
/proc/meminfo: memFree=1819296/2055920 swapFree=4162540/4192956
[pid=27616] ppid=27614 vsize=14412 CPUtime=63.87
/proc/27616/stat : 27616 (SApperloT-base) R 27614 27616 26795 0 -1 4194304 3177 0 0 0 6385 2 0 0 25 0 1 0 214507938 14757888 3160 1992294400 134512640 135674940 4294956208 18446744073709551615 134565088 0 0 4096 0 0 0 0 17 1 0 0
/proc/27616/statm: 3603 3160 99 283 0 3317 0
Current children cumulated CPU time (s) 63.87
Current children cumulated vsize (KiB) 14412

[startup+76.7014 s]
/proc/loadavg: 1.00 1.00 0.91 2/66 27617
/proc/meminfo: memFree=1818720/2055920 swapFree=4162540/4192956
[pid=27616] ppid=27614 vsize=15212 CPUtime=76.66
/proc/27616/stat : 27616 (SApperloT-base) R 27614 27616 26795 0 -1 4194304 3353 0 0 0 7664 2 0 0 25 0 1 0 214507938 15577088 3336 1992294400 134512640 135674940 4294956208 18446744073709551615 134564846 0 0 4096 0 0 0 0 17 1 0 0
/proc/27616/statm: 3803 3336 99 283 0 3517 0
Current children cumulated CPU time (s) 76.66
Current children cumulated vsize (KiB) 15212

[startup+83.1017 s]
/proc/loadavg: 1.00 1.00 0.91 2/66 27617
/proc/meminfo: memFree=1818400/2055920 swapFree=4162540/4192956
[pid=27616] ppid=27614 vsize=15788 CPUtime=83.06
/proc/27616/stat : 27616 (SApperloT-base) R 27614 27616 26795 0 -1 4194304 3445 0 0 0 8304 2 0 0 25 0 1 0 214507938 16166912 3428 1992294400 134512640 135674940 4294956208 18446744073709551615 134564660 0 0 4096 0 0 0 0 17 1 0 0
/proc/27616/statm: 3947 3428 99 283 0 3661 0
Current children cumulated CPU time (s) 83.06
Current children cumulated vsize (KiB) 15788

[startup+86.3013 s]
/proc/loadavg: 1.00 1.00 0.91 2/66 27617
/proc/meminfo: memFree=1818208/2055920 swapFree=4162540/4192956
[pid=27616] ppid=27614 vsize=15788 CPUtime=86.26
/proc/27616/stat : 27616 (SApperloT-base) R 27614 27616 26795 0 -1 4194304 3466 0 0 0 8624 2 0 0 25 0 1 0 214507938 16166912 3449 1992294400 134512640 135674940 4294956208 18446744073709551615 134564611 0 0 4096 0 0 0 0 17 1 0 0
/proc/27616/statm: 3947 3449 99 283 0 3661 0
Current children cumulated CPU time (s) 86.26
Current children cumulated vsize (KiB) 15788

[startup+87.9016 s]
/proc/loadavg: 1.00 1.00 0.91 2/66 27617
/proc/meminfo: memFree=1818144/2055920 swapFree=4162540/4192956
[pid=27616] ppid=27614 vsize=15980 CPUtime=87.86
/proc/27616/stat : 27616 (SApperloT-base) R 27614 27616 26795 0 -1 4194304 3478 0 0 0 8784 2 0 0 25 0 1 0 214507938 16363520 3461 1992294400 134512640 135674940 4294956208 18446744073709551615 134565288 0 0 4096 0 0 0 0 17 1 0 0
/proc/27616/statm: 3995 3461 99 283 0 3709 0
Current children cumulated CPU time (s) 87.86
Current children cumulated vsize (KiB) 15980

[startup+88.7018 s]
/proc/loadavg: 1.00 1.00 0.91 2/66 27617
/proc/meminfo: memFree=1818144/2055920 swapFree=4162540/4192956
[pid=27616] ppid=27614 vsize=15980 CPUtime=88.66
/proc/27616/stat : 27616 (SApperloT-base) R 27614 27616 26795 0 -1 4194304 3479 0 0 0 8864 2 0 0 25 0 1 0 214507938 16363520 3462 1992294400 134512640 135674940 4294956208 18446744073709551615 134539896 0 0 4096 0 0 0 0 17 1 0 0
/proc/27616/statm: 3995 3462 99 283 0 3709 0
Current children cumulated CPU time (s) 88.66
Current children cumulated vsize (KiB) 15980

[startup+89.1059 s]
/proc/loadavg: 1.00 1.00 0.91 2/66 27617
/proc/meminfo: memFree=1818144/2055920 swapFree=4162540/4192956
[pid=27616] ppid=27614 vsize=15980 CPUtime=89.06
/proc/27616/stat : 27616 (SApperloT-base) R 27614 27616 26795 0 -1 4194304 3479 0 0 0 8904 2 0 0 25 0 1 0 214507938 16363520 3462 1992294400 134512640 135674940 4294956208 18446744073709551615 134565290 0 0 4096 0 0 0 0 17 1 0 0
/proc/27616/statm: 3995 3462 99 283 0 3709 0
Current children cumulated CPU time (s) 89.06
Current children cumulated vsize (KiB) 15980

Child status: 0
Real time (s): 89.1734
CPU time (s): 89.1394
CPU user time (s): 89.1145
CPU system time (s): 0.024996
CPU usage (%): 99.9619
Max. virtual memory (cumulated for all children) (KiB): 15980

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 89.1145
system time used= 0.024996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 3491
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= 3
involuntary context switches= 146

runsolver used 0.104984 second user time and 0.215967 second system time

The end

Launcher Data

Begin job on node80 at 2009-05-09 12:26:30
IDJOB=1784705
IDBENCH=24597
IDSOLVER=642
FILE ID=node80/1784705-1241864790
PBS_JOBID= 9264537
Free space on /tmp= 65860 MiB

SOLVER NAME= SApperloT base
BENCH NAME= SAT07/crafted/Medium/contest05/others/QG7a-gensys-ukn005.sat05-3845.reshuffled-07.cnf
COMMAND LINE= HOME/SApperloT-base -seed=RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1784705-1241864790/watcher-1784705-1241864790 -o /tmp/evaluation-result-1784705-1241864790/solver-1784705-1241864790 -C 5000 -W 6000 -M 1800 --output-limit 1,128  HOME/SApperloT-base -seed=1136294904 HOME/instance-1784705-1241864790.cnf

TIME LIMIT= 5000 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 50ea7ab54b71dd15b01cd5fd293d58eb
RANDOM SEED=1136294904

node80.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		: 3000.270
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		: 3000.270
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	: 5996.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1832320 kB
Buffers:         32056 kB
Cached:         103828 kB
SwapCached:      25208 kB
Active:          72148 kB
Inactive:        91088 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1832320 kB
SwapTotal:     4192956 kB
SwapFree:      4162540 kB
Dirty:            2252 kB
Writeback:           0 kB
Mapped:          13456 kB
Slab:            46308 kB
Committed_AS:   745360 kB
PageTables:       1384 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= 65856 MiB
End job on node80 at 2009-05-09 12:27:59