Trace number 333170

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
adaptg2wsat0 2007-02-08SAT 21.7577 21.7664

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 benchmark1.77773
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 (download as text)

21.68/21.76	c try 1 flip j 4154626
21.68/21.76	c A solution is found
21.68/21.76	s SATISFIABLE
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21.68/21.76	v 0 
21.68/21.76	c Done (mycputime is 20.480 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/node3/watcher-333170-1173503465 -o ROOT/results/node3/solver-333170-1173503465 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/333170-1173503465/adaptg2wsat0 /tmp/evaluation/333170-1173503465/instance-333170-1173503465.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: 0.98 0.97 0.99 3/77 25369
/proc/meminfo: memFree=1546280/2055920 swapFree=4158660/4192956
[pid=25369] ppid=25367 vsize=215024 CPUtime=0
/proc/25369/stat : 25369 (adaptg2wsat0) R 25367 25369 23124 0 -1 4194304 90 0 0 0 0 0 0 0 18 0 1 0 370301413 220184576 74 18446744073709551615 134512640 134930208 4294956688 18446744073709551615 134702894 0 0 4096 0 0 0 0 17 1 0 0
/proc/25369/statm: 53756 75 40 101 0 53262 0

[startup+0.036413 s]
/proc/loadavg: 0.98 0.97 0.99 3/77 25369
/proc/meminfo: memFree=1546280/2055920 swapFree=4158660/4192956
[pid=25369] ppid=25367 vsize=215420 CPUtime=0.03
/proc/25369/stat : 25369 (adaptg2wsat0) R 25367 25369 23124 0 -1 4194304 225 0 0 0 3 0 0 0 18 0 1 0 370301413 220590080 209 18446744073709551615 134512640 134930208 4294956688 18446744073709551615 134603213 0 0 4096 0 0 0 0 17 1 0 0
/proc/25369/statm: 53855 209 40 101 0 53361 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 215420

[startup+0.101418 s]
/proc/loadavg: 0.98 0.97 0.99 3/77 25369
/proc/meminfo: memFree=1546280/2055920 swapFree=4158660/4192956
[pid=25369] ppid=25367 vsize=217264 CPUtime=0.09
/proc/25369/stat : 25369 (adaptg2wsat0) R 25367 25369 23124 0 -1 4194304 760 0 0 0 9 0 0 0 18 0 1 0 370301413 222478336 742 18446744073709551615 134512640 134930208 4294956688 18446744073709551615 134523464 0 0 4096 0 0 0 0 17 1 0 0
/proc/25369/statm: 54316 742 40 101 0 53822 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 217264

[startup+0.301435 s]
/proc/loadavg: 0.98 0.97 0.99 3/77 25369
/proc/meminfo: memFree=1546280/2055920 swapFree=4158660/4192956
[pid=25369] ppid=25367 vsize=217264 CPUtime=0.29
/proc/25369/stat : 25369 (adaptg2wsat0) R 25367 25369 23124 0 -1 4194304 760 0 0 0 29 0 0 0 19 0 1 0 370301413 222478336 742 18446744073709551615 134512640 134930208 4294956688 18446744073709551615 134523474 0 0 4096 0 0 0 0 17 1 0 0
/proc/25369/statm: 54316 742 40 101 0 53822 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 217264

[startup+0.701467 s]
/proc/loadavg: 0.98 0.97 0.99 3/77 25369
/proc/meminfo: memFree=1546280/2055920 swapFree=4158660/4192956
[pid=25369] ppid=25367 vsize=217264 CPUtime=0.69
/proc/25369/stat : 25369 (adaptg2wsat0) R 25367 25369 23124 0 -1 4194304 760 0 0 0 69 0 0 0 22 0 1 0 370301413 222478336 742 18446744073709551615 134512640 134930208 4294956688 18446744073709551615 134523442 0 0 4096 0 0 0 0 17 1 0 0
/proc/25369/statm: 54316 742 40 101 0 53822 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 217264

[startup+1.50153 s]
/proc/loadavg: 0.98 0.97 0.99 2/78 25370
/proc/meminfo: memFree=1543456/2055920 swapFree=4158660/4192956
[pid=25369] ppid=25367 vsize=217952 CPUtime=1.49
/proc/25369/stat : 25369 (adaptg2wsat0) R 25367 25369 23124 0 -1 4194304 1030 0 0 0 149 0 0 0 25 0 1 0 370301413 223182848 1010 18446744073709551615 134512640 134930208 4294956688 18446744073709551615 134546734 0 0 4096 0 0 0 0 17 1 0 0
/proc/25369/statm: 54488 1010 43 101 0 53994 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 217952

[startup+3.10166 s]
/proc/loadavg: 0.98 0.97 0.99 2/78 25370
/proc/meminfo: memFree=1542176/2055920 swapFree=4158660/4192956
[pid=25369] ppid=25367 vsize=217952 CPUtime=3.09
/proc/25369/stat : 25369 (adaptg2wsat0) R 25367 25369 23124 0 -1 4194304 1030 0 0 0 309 0 0 0 25 0 1 0 370301413 223182848 1010 18446744073709551615 134512640 134930208 4294956688 18446744073709551615 134552884 0 0 4096 0 0 0 0 17 1 0 0
/proc/25369/statm: 54488 1010 43 101 0 53994 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 217952

[startup+6.30193 s]
/proc/loadavg: 0.98 0.97 0.99 2/78 25370
/proc/meminfo: memFree=1541920/2055920 swapFree=4158660/4192956
[pid=25369] ppid=25367 vsize=217952 CPUtime=6.29
/proc/25369/stat : 25369 (adaptg2wsat0) R 25367 25369 23124 0 -1 4194304 1030 0 0 0 629 0 0 0 25 0 1 0 370301413 223182848 1010 18446744073709551615 134512640 134930208 4294956688 18446744073709551615 134545244 0 0 4096 0 0 0 0 17 1 0 0
/proc/25369/statm: 54488 1010 43 101 0 53994 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 217952

[startup+12.7015 s]
/proc/loadavg: 0.98 0.97 0.99 2/78 25370
/proc/meminfo: memFree=1541984/2055920 swapFree=4158660/4192956
[pid=25369] ppid=25367 vsize=217952 CPUtime=12.69
/proc/25369/stat : 25369 (adaptg2wsat0) R 25367 25369 23124 0 -1 4194304 1030 0 0 0 1269 0 0 0 25 0 1 0 370301413 223182848 1010 18446744073709551615 134512640 134930208 4294956688 18446744073709551615 134545341 0 0 4096 0 0 0 0 17 1 0 0
/proc/25369/statm: 54488 1010 43 101 0 53994 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 217952

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

[startup+15.9017 s]
/proc/loadavg: 0.98 0.97 0.99 2/78 25370
/proc/meminfo: memFree=1542048/2055920 swapFree=4158660/4192956
[pid=25369] ppid=25367 vsize=217952 CPUtime=15.89
/proc/25369/stat : 25369 (adaptg2wsat0) R 25367 25369 23124 0 -1 4194304 1030 0 0 0 1589 0 0 0 25 0 1 0 370301413 223182848 1010 18446744073709551615 134512640 134930208 4294956688 18446744073709551615 134551942 0 0 4096 0 0 0 0 17 1 0 0
/proc/25369/statm: 54488 1010 43 101 0 53994 0
Current children cumulated CPU time (s) 15.89
Current children cumulated vsize (KiB) 217952

[startup+19.102 s]
/proc/loadavg: 0.98 0.97 0.99 2/78 25370
/proc/meminfo: memFree=1542048/2055920 swapFree=4158660/4192956
[pid=25369] ppid=25367 vsize=217952 CPUtime=19.09
/proc/25369/stat : 25369 (adaptg2wsat0) R 25367 25369 23124 0 -1 4194304 1030 0 0 0 1909 0 0 0 25 0 1 0 370301413 223182848 1010 18446744073709551615 134512640 134930208 4294956688 18446744073709551615 134545208 0 0 4096 0 0 0 0 17 1 0 0
/proc/25369/statm: 54488 1010 43 101 0 53994 0
Current children cumulated CPU time (s) 19.09
Current children cumulated vsize (KiB) 217952

[startup+20.7021 s]
/proc/loadavg: 0.98 0.97 0.99 2/78 25370
/proc/meminfo: memFree=1542048/2055920 swapFree=4158660/4192956
[pid=25369] ppid=25367 vsize=217952 CPUtime=20.68
/proc/25369/stat : 25369 (adaptg2wsat0) R 25367 25369 23124 0 -1 4194304 1030 0 0 0 2068 0 0 0 25 0 1 0 370301413 223182848 1010 18446744073709551615 134512640 134930208 4294956688 18446744073709551615 134545304 0 0 4096 0 0 0 0 17 1 0 0
/proc/25369/statm: 54488 1010 43 101 0 53994 0
Current children cumulated CPU time (s) 20.68
Current children cumulated vsize (KiB) 217952

[startup+21.5012 s]
/proc/loadavg: 0.98 0.97 0.99 2/78 25370
/proc/meminfo: memFree=1542048/2055920 swapFree=4158660/4192956
[pid=25369] ppid=25367 vsize=217952 CPUtime=21.48
/proc/25369/stat : 25369 (adaptg2wsat0) R 25367 25369 23124 0 -1 4194304 1030 0 0 0 2148 0 0 0 25 0 1 0 370301413 223182848 1010 18446744073709551615 134512640 134930208 4294956688 18446744073709551615 134547058 0 0 4096 0 0 0 0 17 1 0 0
/proc/25369/statm: 54488 1010 43 101 0 53994 0
Current children cumulated CPU time (s) 21.48
Current children cumulated vsize (KiB) 217952

[startup+21.7012 s]
/proc/loadavg: 0.98 0.97 0.99 2/78 25370
/proc/meminfo: memFree=1542048/2055920 swapFree=4158660/4192956
[pid=25369] ppid=25367 vsize=217952 CPUtime=21.68
/proc/25369/stat : 25369 (adaptg2wsat0) R 25367 25369 23124 0 -1 4194304 1030 0 0 0 2168 0 0 0 25 0 1 0 370301413 223182848 1010 18446744073709551615 134512640 134930208 4294956688 18446744073709551615 134540642 0 0 4096 0 0 0 0 17 1 0 0
/proc/25369/statm: 54488 1010 43 101 0 53994 0
Current children cumulated CPU time (s) 21.68
Current children cumulated vsize (KiB) 217952

Child status: 10
Real time (s): 21.7664
CPU time (s): 21.7577
CPU user time (s): 21.7507
CPU system time (s): 0.006998
CPU usage (%): 99.9602
Max. virtual memory (cumulated for all children) (KiB): 217952

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 21.7507
system time used= 0.006998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1046
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= 11
involuntary context switches= 38

runsolver used 0.031995 second user time and 0.053991 second system time

The end

Launcher Data (download as text)

Begin job on node3 on Sat Mar 10 05:11:06 UTC 2007

IDJOB= 333170
IDBENCH= 24597
IDSOLVER= 126
FILE ID= node3/333170-1173503465

PBS_JOBID= 4101097

Free space on /tmp= 66512 MiB

SOLVER NAME= adaptg2wsat0 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/crafted/Medium/contest05/others/QG7a-gensys-ukn005.sat05-3845.reshuffled-07.cnf
COMMAND LINE= /tmp/evaluation/333170-1173503465/adaptg2wsat0 /tmp/evaluation/333170-1173503465/instance-333170-1173503465.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node3/watcher-333170-1173503465 -o ROOT/results/node3/solver-333170-1173503465 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/333170-1173503465/adaptg2wsat0 /tmp/evaluation/333170-1173503465/instance-333170-1173503465.cnf            

META MD5SUM SOLVER= dc7cfffb7b5aa51d884144c196acd75c
MD5SUM BENCH=  50ea7ab54b71dd15b01cd5fd293d58eb

RANDOM SEED= 31295068

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:       1546752 kB
Buffers:         48096 kB
Cached:         371344 kB
SwapCached:       2568 kB
Active:         200948 kB
Inactive:       242096 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1546752 kB
SwapTotal:     4192956 kB
SwapFree:      4158660 kB
Dirty:            6856 kB
Writeback:           0 kB
Mapped:          31232 kB
Slab:            51808 kB
Committed_AS:  1499340 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= 66512 MiB

End job on node3 on Sat Mar 10 05:11:28 UTC 2007