Trace number 333077

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
FH 2007-02-08SAT 39.655 39.6757

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)

39.57/39.67	c try 1 flip j 5506951
39.57/39.67	c A solution is found
39.57/39.67	s SATISFIABLE
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39.57/39.67	v 0 
39.57/39.67	c Done (mycputime is 0.004 seconds)

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/node13/watcher-333077-1173501337 -o ROOT/results/node13/solver-333077-1173501337 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/333077-1173501337/FH /tmp/evaluation/333077-1173501337/instance-333077-1173501337.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: 1.06 1.00 1.00 3/77 24915
/proc/meminfo: memFree=1551048/2055920 swapFree=4158920/4192956
[pid=24915] ppid=24913 vsize=244720 CPUtime=0
/proc/24915/stat : 24915 (FH) R 24913 24915 23175 0 -1 4194304 87 0 0 0 0 0 0 0 18 0 1 0 370088189 250593280 71 18446744073709551615 134512640 134936988 4294956720 18446744073709551615 134605645 0 0 4096 0 0 0 0 17 1 0 0
/proc/24915/statm: 61180 71 36 103 0 60684 0

[startup+0.030839 s]
/proc/loadavg: 1.06 1.00 1.00 3/77 24915
/proc/meminfo: memFree=1551048/2055920 swapFree=4158920/4192956
[pid=24915] ppid=24913 vsize=244984 CPUtime=0.02
/proc/24915/stat : 24915 (FH) R 24913 24915 23175 0 -1 4194304 198 0 0 0 2 0 0 0 18 0 1 0 370088189 250863616 182 18446744073709551615 134512640 134936988 4294956720 18446744073709551615 134521546 0 0 4096 0 0 0 0 17 1 0 0
/proc/24915/statm: 61246 182 36 103 0 60750 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 244984

[startup+0.101847 s]
/proc/loadavg: 1.06 1.00 1.00 3/77 24915
/proc/meminfo: memFree=1551048/2055920 swapFree=4158920/4192956
[pid=24915] ppid=24913 vsize=247092 CPUtime=0.09
/proc/24915/stat : 24915 (FH) R 24913 24915 23175 0 -1 4194304 761 0 0 0 9 0 0 0 18 0 1 0 370088189 253022208 743 18446744073709551615 134512640 134936988 4294956720 18446744073709551615 134523624 0 0 4096 0 0 0 0 17 1 0 0
/proc/24915/statm: 61773 743 36 103 0 61277 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 247092

[startup+0.301874 s]
/proc/loadavg: 1.06 1.00 1.00 3/77 24915
/proc/meminfo: memFree=1551048/2055920 swapFree=4158920/4192956
[pid=24915] ppid=24913 vsize=247092 CPUtime=0.29
/proc/24915/stat : 24915 (FH) R 24913 24915 23175 0 -1 4194304 761 0 0 0 29 0 0 0 19 0 1 0 370088189 253022208 743 18446744073709551615 134512640 134936988 4294956720 18446744073709551615 134523450 0 0 4096 0 0 0 0 17 1 0 0
/proc/24915/statm: 61773 743 36 103 0 61277 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 247092

[startup+0.701927 s]
/proc/loadavg: 1.06 1.00 1.00 3/77 24915
/proc/meminfo: memFree=1551048/2055920 swapFree=4158920/4192956
[pid=24915] ppid=24913 vsize=247092 CPUtime=0.69
/proc/24915/stat : 24915 (FH) R 24913 24915 23175 0 -1 4194304 761 0 0 0 69 0 0 0 23 0 1 0 370088189 253022208 743 18446744073709551615 134512640 134936988 4294956720 18446744073709551615 134523671 0 0 4096 0 0 0 0 17 1 0 0
/proc/24915/statm: 61773 743 36 103 0 61277 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 247092

[startup+1.50103 s]
/proc/loadavg: 1.06 1.00 1.00 2/78 24916
/proc/meminfo: memFree=1548160/2055920 swapFree=4158920/4192956
[pid=24915] ppid=24913 vsize=249172 CPUtime=1.49
/proc/24915/stat : 24915 (FH) R 24913 24915 23175 0 -1 4194304 1106 0 0 0 149 0 0 0 25 0 1 0 370088189 255152128 1086 18446744073709551615 134512640 134936988 4294956720 18446744073709551615 134552080 0 0 4096 0 0 0 0 17 1 0 0
/proc/24915/statm: 62293 1086 40 103 0 61797 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 249172

[startup+3.10125 s]
/proc/loadavg: 1.06 1.00 1.00 2/78 24916
/proc/meminfo: memFree=1546560/2055920 swapFree=4158920/4192956
[pid=24915] ppid=24913 vsize=249172 CPUtime=3.09
/proc/24915/stat : 24915 (FH) R 24913 24915 23175 0 -1 4194304 1106 0 0 0 309 0 0 0 25 0 1 0 370088189 255152128 1086 18446744073709551615 134512640 134936988 4294956720 18446744073709551615 134552427 0 0 4096 0 0 0 0 17 1 0 0
/proc/24915/statm: 62293 1086 40 103 0 61797 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 249172

[startup+6.30167 s]
/proc/loadavg: 1.06 1.00 1.00 2/78 24916
/proc/meminfo: memFree=1546368/2055920 swapFree=4158920/4192956
[pid=24915] ppid=24913 vsize=249172 CPUtime=6.29
/proc/24915/stat : 24915 (FH) R 24913 24915 23175 0 -1 4194304 1106 0 0 0 629 0 0 0 25 0 1 0 370088189 255152128 1086 18446744073709551615 134512640 134936988 4294956720 18446744073709551615 134545348 0 0 4096 0 0 0 0 17 1 0 0
/proc/24915/statm: 62293 1086 40 103 0 61797 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 249172

[startup+12.7015 s]
/proc/loadavg: 1.05 1.00 1.00 2/78 24916
/proc/meminfo: memFree=1546496/2055920 swapFree=4158920/4192956
[pid=24915] ppid=24913 vsize=249172 CPUtime=12.69
/proc/24915/stat : 24915 (FH) R 24913 24915 23175 0 -1 4194304 1106 0 0 0 1269 0 0 0 25 0 1 0 370088189 255152128 1086 18446744073709551615 134512640 134936988 4294956720 18446744073709551615 134553238 0 0 4096 0 0 0 0 17 1 0 0
/proc/24915/statm: 62293 1086 40 103 0 61797 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 249172

[startup+25.5012 s]
/proc/loadavg: 1.04 1.00 1.00 2/78 24916
/proc/meminfo: memFree=1546560/2055920 swapFree=4158920/4192956
[pid=24915] ppid=24913 vsize=249172 CPUtime=25.48
/proc/24915/stat : 24915 (FH) R 24913 24915 23175 0 -1 4194304 1106 0 0 0 2548 0 0 0 25 0 1 0 370088189 255152128 1086 18446744073709551615 134512640 134936988 4294956720 18446744073709551615 134552504 0 0 4096 0 0 0 0 17 1 0 0
/proc/24915/statm: 62293 1086 40 103 0 61797 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 249172

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

[startup+31.9051 s]
/proc/loadavg: 1.03 1.00 1.00 2/78 24916
/proc/meminfo: memFree=1546432/2055920 swapFree=4158920/4192956
[pid=24915] ppid=24913 vsize=249172 CPUtime=31.88
/proc/24915/stat : 24915 (FH) R 24913 24915 23175 0 -1 4194304 1106 0 0 0 3188 0 0 0 25 0 1 0 370088189 255152128 1086 18446744073709551615 134512640 134936988 4294956720 18446744073709551615 134553498 0 0 4096 0 0 0 0 17 1 0 0
/proc/24915/statm: 62293 1086 40 103 0 61797 0
Current children cumulated CPU time (s) 31.88
Current children cumulated vsize (KiB) 249172

[startup+35.1015 s]
/proc/loadavg: 1.03 1.00 1.00 2/78 24916
/proc/meminfo: memFree=1546432/2055920 swapFree=4158920/4192956
[pid=24915] ppid=24913 vsize=249172 CPUtime=35.08
/proc/24915/stat : 24915 (FH) R 24913 24915 23175 0 -1 4194304 1106 0 0 0 3508 0 0 0 25 0 1 0 370088189 255152128 1086 18446744073709551615 134512640 134936988 4294956720 18446744073709551615 134552479 0 0 4096 0 0 0 0 17 1 0 0
/proc/24915/statm: 62293 1086 40 103 0 61797 0
Current children cumulated CPU time (s) 35.08
Current children cumulated vsize (KiB) 249172

[startup+36.7017 s]
/proc/loadavg: 1.03 1.00 1.00 2/78 24916
/proc/meminfo: memFree=1546432/2055920 swapFree=4158920/4192956
[pid=24915] ppid=24913 vsize=249172 CPUtime=36.67
/proc/24915/stat : 24915 (FH) R 24913 24915 23175 0 -1 4194304 1106 0 0 0 3667 0 0 0 25 0 1 0 370088189 255152128 1086 18446744073709551615 134512640 134936988 4294956720 18446744073709551615 134552493 0 0 4096 0 0 0 0 17 1 0 0
/proc/24915/statm: 62293 1086 40 103 0 61797 0
Current children cumulated CPU time (s) 36.67
Current children cumulated vsize (KiB) 249172

[startup+38.3019 s]
/proc/loadavg: 1.03 1.00 1.00 2/78 24916
/proc/meminfo: memFree=1546432/2055920 swapFree=4158920/4192956
[pid=24915] ppid=24913 vsize=249172 CPUtime=38.27
/proc/24915/stat : 24915 (FH) R 24913 24915 23175 0 -1 4194304 1106 0 0 0 3827 0 0 0 25 0 1 0 370088189 255152128 1086 18446744073709551615 134512640 134936988 4294956720 18446744073709551615 134552594 0 0 4096 0 0 0 0 17 1 0 0
/proc/24915/statm: 62293 1086 40 103 0 61797 0
Current children cumulated CPU time (s) 38.27
Current children cumulated vsize (KiB) 249172

[startup+39.101 s]
/proc/loadavg: 1.03 1.00 1.00 2/78 24916
/proc/meminfo: memFree=1546432/2055920 swapFree=4158920/4192956
[pid=24915] ppid=24913 vsize=249172 CPUtime=39.07
/proc/24915/stat : 24915 (FH) R 24913 24915 23175 0 -1 4194304 1106 0 0 0 3907 0 0 0 25 0 1 0 370088189 255152128 1086 18446744073709551615 134512640 134936988 4294956720 18446744073709551615 134552151 0 0 4096 0 0 0 0 17 1 0 0
/proc/24915/statm: 62293 1086 40 103 0 61797 0
Current children cumulated CPU time (s) 39.07
Current children cumulated vsize (KiB) 249172

[startup+39.5021 s]
/proc/loadavg: 1.03 1.00 1.00 2/78 24916
/proc/meminfo: memFree=1546432/2055920 swapFree=4158920/4192956
[pid=24915] ppid=24913 vsize=249172 CPUtime=39.47
/proc/24915/stat : 24915 (FH) R 24913 24915 23175 0 -1 4194304 1106 0 0 0 3947 0 0 0 25 0 1 0 370088189 255152128 1086 18446744073709551615 134512640 134936988 4294956720 18446744073709551615 134552561 0 0 4096 0 0 0 0 17 1 0 0
/proc/24915/statm: 62293 1086 40 103 0 61797 0
Current children cumulated CPU time (s) 39.47
Current children cumulated vsize (KiB) 249172

[startup+39.6061 s]
/proc/loadavg: 1.03 1.00 1.00 2/78 24916
/proc/meminfo: memFree=1546432/2055920 swapFree=4158920/4192956
[pid=24915] ppid=24913 vsize=249172 CPUtime=39.57
/proc/24915/stat : 24915 (FH) R 24913 24915 23175 0 -1 4194304 1106 0 0 0 3957 0 0 0 25 0 1 0 370088189 255152128 1086 18446744073709551615 134512640 134936988 4294956720 18446744073709551615 134553311 0 0 4096 0 0 0 0 17 1 0 0
/proc/24915/statm: 62293 1086 40 103 0 61797 0
Current children cumulated CPU time (s) 39.57
Current children cumulated vsize (KiB) 249172

Child status: 10
Real time (s): 39.6757
CPU time (s): 39.655
CPU user time (s): 39.647
CPU system time (s): 0.007998
CPU usage (%): 99.9479
Max. virtual memory (cumulated for all children) (KiB): 249172

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 39.647
system time used= 0.007998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1119
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= 824

runsolver used 0.06399 second user time and 0.086986 second system time

The end

Launcher Data (download as text)

Begin job on node13 on Sat Mar 10 04:35:37 UTC 2007

IDJOB= 333077
IDBENCH= 24595
IDSOLVER= 117
FILE ID= node13/333077-1173501337

PBS_JOBID= 4101094

Free space on /tmp= 66368 MiB

SOLVER NAME= FH 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/333077-1173501337/FH /tmp/evaluation/333077-1173501337/instance-333077-1173501337.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node13/watcher-333077-1173501337 -o ROOT/results/node13/solver-333077-1173501337 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/333077-1173501337/FH /tmp/evaluation/333077-1173501337/instance-333077-1173501337.cnf            

META MD5SUM SOLVER= 4ad8950502569bcbd9dc3ae819b6eefe
MD5SUM BENCH=  74af041eb51b172e799baf4bb7eaa52f

RANDOM SEED= 56027951

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node13.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		: 3000.236
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		: 3000.236
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:       1551520 kB
Buffers:         48420 kB
Cached:         368100 kB
SwapCached:       2156 kB
Active:         179240 kB
Inactive:       260092 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1551520 kB
SwapTotal:     4192956 kB
SwapFree:      4158920 kB
Dirty:            6808 kB
Writeback:           0 kB
Mapped:          30812 kB
Slab:            50648 kB
Committed_AS:  1595340 kB
PageTables:       1744 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= 66368 MiB

End job on node13 on Sat Mar 10 04:36:17 UTC 2007