Trace number 1722107

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
iPAWS 2009-03-22SAT 0.481926 0.482925

General information on the benchmark

NameAPPLICATIONS/satComp09_BioInstances/
rpoc_xits_17_SAT.cnf
MD5SUM4607e45ceb8682e35172b7d697608fbf
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.152976
Satisfiable
(Un)Satisfiability was proved
Number of variables2718
Number of clauses215000
Sum of the clauses size641260
Maximum clause length18
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 24085
Number of clauses of size 3210892
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 523

Solver Data 

0.39/0.47	s SATISFIABLE
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0.39/0.47	c input file instance-1722107-1240672821.cnf, flips 6173

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-1722107-1240672821/watcher-1722107-1240672821 -o /tmp/evaluation-result-1722107-1240672821/solver-1722107-1240672821 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/iPAWS HOME/instance-1722107-1240672821.cnf 1014122202 

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
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 1.00 1.00 3/64 27831
/proc/meminfo: memFree=1826232/2055920 swapFree=4192812/4192956
[pid=27831] ppid=27829 vsize=335916 CPUtime=0
/proc/27831/stat : 27831 (iPAWS) R 27829 27831 27454 0 -1 4194304 485 0 0 0 0 0 0 0 18 0 1 0 95316162 343977984 469 1992294400 134512640 135114423 4294956208 18446744073709551615 134615614 0 0 4096 0 0 0 0 17 1 0 0
/proc/27831/statm: 83979 469 54 146 0 83831 0

[startup+0.057954 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 27831
/proc/meminfo: memFree=1826232/2055920 swapFree=4192812/4192956
[pid=27831] ppid=27829 vsize=335916 CPUtime=0.05
/proc/27831/stat : 27831 (iPAWS) R 27829 27831 27454 0 -1 4194304 674 0 0 0 5 0 0 0 18 0 1 0 95316162 343977984 658 1992294400 134512640 135114423 4294956208 18446744073709551615 134615614 0 0 4096 0 0 0 0 17 1 0 0
/proc/27831/statm: 83979 658 54 146 0 83831 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 335916

[startup+0.102957 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 27831
/proc/meminfo: memFree=1826232/2055920 swapFree=4192812/4192956
[pid=27831] ppid=27829 vsize=335916 CPUtime=0.09
/proc/27831/stat : 27831 (iPAWS) R 27829 27831 27454 0 -1 4194304 837 0 0 0 9 0 0 0 18 0 1 0 95316162 343977984 821 1992294400 134512640 135114423 4294956208 18446744073709551615 134533181 0 0 4096 0 0 0 0 17 1 0 0
/proc/27831/statm: 83979 821 54 146 0 83831 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 335916

[startup+0.301976 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 27831
/proc/meminfo: memFree=1826232/2055920 swapFree=4192812/4192956
[pid=27831] ppid=27829 vsize=335916 CPUtime=0.29
/proc/27831/stat : 27831 (iPAWS) R 27829 27831 27454 0 -1 4194304 1984 0 0 0 29 0 0 0 19 0 1 0 95316162 343977984 1968 1992294400 134512640 135114423 4294956208 18446744073709551615 134534970 0 0 4096 0 0 0 0 17 1 0 0
/proc/27831/statm: 83979 1977 54 146 0 83831 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 335916

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

[startup+0.402987 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 27831
/proc/meminfo: memFree=1826232/2055920 swapFree=4192812/4192956
[pid=27831] ppid=27829 vsize=335916 CPUtime=0.39
/proc/27831/stat : 27831 (iPAWS) R 27829 27831 27454 0 -1 4194304 4335 0 0 0 38 1 0 0 19 0 1 0 95316162 343977984 4319 1992294400 134512640 135114423 4294956208 18446744073709551615 134547414 0 0 4096 0 0 0 0 17 1 0 0
/proc/27831/statm: 83979 4319 58 146 0 83831 0
Current children cumulated CPU time (s) 0.39
Current children cumulated vsize (KiB) 335916

Child status: 0
Real time (s): 0.482925
CPU time (s): 0.481926
CPU user time (s): 0.45993
CPU system time (s): 0.021996
CPU usage (%): 99.7931
Max. virtual memory (cumulated for all children) (KiB): 335916

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.45993
system time used= 0.021996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 4506
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= 2
involuntary context switches= 2

runsolver used 0.001999 second user time and 0.006998 second system time

The end

Launcher Data 

Begin job on node12 at 2009-04-25 17:20:22
IDJOB=1722107
IDBENCH=71083
IDSOLVER=516
FILE ID=node12/1722107-1240672821
PBS_JOBID= 9186606
Free space on /tmp= 66340 MiB

SOLVER NAME= iPAWS 2009-03-22
BENCH NAME= SAT09/APPLICATIONS/satComp09_BioInstances/rpoc_xits_17_SAT.cnf
COMMAND LINE= HOME/iPAWS BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1722107-1240672821/watcher-1722107-1240672821 -o /tmp/evaluation-result-1722107-1240672821/solver-1722107-1240672821 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/iPAWS HOME/instance-1722107-1240672821.cnf 1014122202

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 4607e45ceb8682e35172b7d697608fbf
RANDOM SEED=1014122202

node12.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		: 3000.213
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		: 3000.213
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:       1826712 kB
Buffers:         19312 kB
Cached:         136612 kB
SwapCached:          0 kB
Active:          95288 kB
Inactive:        74564 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1826712 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            4312 kB
Writeback:           0 kB
Mapped:          23692 kB
Slab:            45380 kB
Committed_AS:   428708 kB
PageTables:       1376 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= 66336 MiB
End job on node12 at 2009-04-25 17:20:22