Trace number 426922

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
DEWSATZ 1A 2007-02-08UNSAT 71.0212 71.0398

General information on the benchmark

Namerandom/2+p/p0.7/v5500/
unif2p-p0.7-v5500-c14685-S1110066181-15-UNSAT.cnf
MD5SUM02ac0323b8681994481799266f6a3a32
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.171973
Satisfiable
(Un)Satisfiability was proved
Number of variables5496
Number of clauses14684
Sum of the clauses size39647
Maximum clause length3
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 24405
Number of clauses of size 310279
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data (download as text)

70.97/71.03	c   
70.97/71.03	c =====================================================================================================
70.97/71.03	c Copyright (c) 2004 National ICT Australia Limited (NICTA) and applicable third parties.
70.97/71.03	c For details, see the Australian Public Licence B (OZPLB) V1-1, under which this software is licensed.
70.97/71.03	c The OZPLB text is embedded in the source code for this software.
70.97/71.03	c =====================================================================================================
70.97/71.03	c   
70.97/71.03	c solution of Dew_Satz_1a.c 
70.97/71.03	s UNSATISFIABLE
70.97/71.03	c Dew_Satz_1a /tmp/evaluation/426922-1177830730/instance-426922-1177830730.cnf 0 71.010  0.070 7602 7602 0 7602 7601 5312818 323050 607162 99527 6846 14698 0 1 0 5500

Verifier Data (download as text)

No possible verification on an UNSAT instance

Watcher Data (download as text)

runsolver version 3.2.3 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node18/watcher-426922-1177830730 -o ROOT/results/node18/solver-426922-1177830730 -C 5000 -W 7500 -M 1800 --output-limit 1,15 /tmp/evaluation/426922-1177830730/dewSatz_1a /tmp/evaluation/426922-1177830730/instance-426922-1177830730.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): 7500 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: 1.07 1.03 1.00 3/77 25522
/proc/meminfo: memFree=1437336/2055920 swapFree=4147180/4192956
[pid=25522] ppid=25520 vsize=674392 CPUtime=0
/proc/25522/stat : 25522 (dewSatz_1a) R 25520 25522 24541 0 -1 4194304 95 0 0 0 0 0 0 0 18 0 1 0 230990397 690577408 81 18446744073709551615 134512640 134924432 4294956656 18446744073709551615 134595661 0 0 4096 0 0 0 0 17 1 0 0
/proc/25522/statm: 168598 83 41 100 0 168495 0

[startup+0.08114 s]
/proc/loadavg: 1.07 1.03 1.00 3/77 25522
/proc/meminfo: memFree=1437336/2055920 swapFree=4147180/4192956
[pid=25522] ppid=25520 vsize=675212 CPUtime=0.07
/proc/25522/stat : 25522 (dewSatz_1a) R 25520 25522 24541 0 -1 4194304 10166 0 0 0 6 1 0 0 18 0 1 0 230990397 691417088 363 18446744073709551615 134512640 134924432 4294956656 18446744073709551615 134515642 0 0 4096 0 0 0 0 17 1 0 0
/proc/25522/statm: 168803 363 42 100 0 168700 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 675212

[startup+0.101141 s]
/proc/loadavg: 1.07 1.03 1.00 3/77 25522
/proc/meminfo: memFree=1437336/2055920 swapFree=4147180/4192956
[pid=25522] ppid=25520 vsize=675616 CPUtime=0.09
/proc/25522/stat : 25522 (dewSatz_1a) R 25520 25522 24541 0 -1 4194304 10365 0 0 0 8 1 0 0 18 0 1 0 230990397 691830784 544 18446744073709551615 134512640 134924432 4294956656 18446744073709551615 134525143 0 0 4096 0 0 0 0 17 1 0 0
/proc/25522/statm: 168904 544 45 100 0 168801 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 675616

[startup+0.301161 s]
/proc/loadavg: 1.07 1.03 1.00 3/77 25522
/proc/meminfo: memFree=1437336/2055920 swapFree=4147180/4192956
[pid=25522] ppid=25520 vsize=675616 CPUtime=0.29
/proc/25522/stat : 25522 (dewSatz_1a) R 25520 25522 24541 0 -1 4194304 10398 0 0 0 28 1 0 0 19 0 1 0 230990397 691830784 577 18446744073709551615 134512640 134924432 4294956656 18446744073709551615 134525134 0 0 4096 0 0 0 0 17 1 0 0
/proc/25522/statm: 168904 577 45 100 0 168801 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 675616

[startup+0.7012 s]
/proc/loadavg: 1.07 1.03 1.00 3/77 25522
/proc/meminfo: memFree=1437336/2055920 swapFree=4147180/4192956
[pid=25522] ppid=25520 vsize=675616 CPUtime=0.69
/proc/25522/stat : 25522 (dewSatz_1a) R 25520 25522 24541 0 -1 4194304 10400 0 0 0 68 1 0 0 22 0 1 0 230990397 691830784 579 18446744073709551615 134512640 134924432 4294956656 18446744073709551615 134524130 0 0 4096 0 0 0 0 17 1 0 0
/proc/25522/statm: 168904 579 45 100 0 168801 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 675616

[startup+1.50128 s]
/proc/loadavg: 1.07 1.03 1.00 2/78 25523
/proc/meminfo: memFree=1434960/2055920 swapFree=4147180/4192956
[pid=25522] ppid=25520 vsize=675616 CPUtime=1.49
/proc/25522/stat : 25522 (dewSatz_1a) R 25520 25522 24541 0 -1 4194304 10401 0 0 0 148 1 0 0 25 0 1 0 230990397 691830784 580 18446744073709551615 134512640 134924432 4294956656 18446744073709551615 134525195 0 0 4096 0 0 0 0 17 1 0 0
/proc/25522/statm: 168904 580 45 100 0 168801 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 675616

[startup+3.10143 s]
/proc/loadavg: 1.07 1.03 1.00 2/78 25523
/proc/meminfo: memFree=1434832/2055920 swapFree=4147180/4192956
[pid=25522] ppid=25520 vsize=675616 CPUtime=3.09
/proc/25522/stat : 25522 (dewSatz_1a) R 25520 25522 24541 0 -1 4194304 10402 0 0 0 308 1 0 0 25 0 1 0 230990397 691830784 581 18446744073709551615 134512640 134924432 4294956656 18446744073709551615 134525110 0 0 4096 0 0 0 0 17 1 0 0
/proc/25522/statm: 168904 581 45 100 0 168801 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 675616

[startup+6.30174 s]
/proc/loadavg: 1.07 1.03 1.00 2/78 25523
/proc/meminfo: memFree=1434784/2055920 swapFree=4147180/4192956
[pid=25522] ppid=25520 vsize=675616 CPUtime=6.29
/proc/25522/stat : 25522 (dewSatz_1a) R 25520 25522 24541 0 -1 4194304 10402 0 0 0 628 1 0 0 25 0 1 0 230990397 691830784 581 18446744073709551615 134512640 134924432 4294956656 18446744073709551615 134528461 0 0 4096 0 0 0 0 17 1 0 0
/proc/25522/statm: 168904 581 45 100 0 168801 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 675616

[startup+12.7014 s]
/proc/loadavg: 1.06 1.03 1.00 3/78 25523
/proc/meminfo: memFree=1434736/2055920 swapFree=4147180/4192956
[pid=25522] ppid=25520 vsize=675616 CPUtime=12.69
/proc/25522/stat : 25522 (dewSatz_1a) R 25520 25522 24541 0 -1 4194304 10402 0 0 0 1268 1 0 0 25 0 1 0 230990397 691830784 581 18446744073709551615 134512640 134924432 4294956656 18446744073709551615 134523747 0 0 4096 0 0 0 0 17 1 0 0
/proc/25522/statm: 168904 581 45 100 0 168801 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 675616

[startup+25.5016 s]
/proc/loadavg: 1.05 1.03 1.00 2/78 25523
/proc/meminfo: memFree=1434744/2055920 swapFree=4147180/4192956
[pid=25522] ppid=25520 vsize=675616 CPUtime=25.49
/proc/25522/stat : 25522 (dewSatz_1a) R 25520 25522 24541 0 -1 4194304 10402 0 0 0 2548 1 0 0 25 0 1 0 230990397 691830784 581 18446744073709551615 134512640 134924432 4294956656 18446744073709551615 134525156 0 0 4096 0 0 0 0 17 1 0 0
/proc/25522/statm: 168904 581 45 100 0 168801 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 675616

[startup+51.1011 s]
/proc/loadavg: 1.03 1.02 1.00 2/78 25523
/proc/meminfo: memFree=1434808/2055920 swapFree=4147180/4192956
[pid=25522] ppid=25520 vsize=675616 CPUtime=51.08
/proc/25522/stat : 25522 (dewSatz_1a) R 25520 25522 24541 0 -1 4194304 10403 0 0 0 5107 1 0 0 25 0 1 0 230990397 691830784 582 18446744073709551615 134512640 134924432 4294956656 18446744073709551615 134525119 0 0 4096 0 0 0 0 17 1 0 0
/proc/25522/statm: 168904 582 45 100 0 168801 0
Current children cumulated CPU time (s) 51.08
Current children cumulated vsize (KiB) 675616

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

[startup+63.9013 s]
/proc/loadavg: 1.02 1.02 1.00 2/78 25523
/proc/meminfo: memFree=1434808/2055920 swapFree=4147180/4192956
[pid=25522] ppid=25520 vsize=675616 CPUtime=63.88
/proc/25522/stat : 25522 (dewSatz_1a) R 25520 25522 24541 0 -1 4194304 10403 0 0 0 6387 1 0 0 25 0 1 0 230990397 691830784 582 18446744073709551615 134512640 134924432 4294956656 18446744073709551615 134525373 0 0 4096 0 0 0 0 17 1 0 0
/proc/25522/statm: 168904 582 45 100 0 168801 0
Current children cumulated CPU time (s) 63.88
Current children cumulated vsize (KiB) 675616

[startup+67.1056 s]
/proc/loadavg: 1.02 1.02 1.00 2/78 25523
/proc/meminfo: memFree=1434808/2055920 swapFree=4147180/4192956
[pid=25522] ppid=25520 vsize=675616 CPUtime=67.08
/proc/25522/stat : 25522 (dewSatz_1a) R 25520 25522 24541 0 -1 4194304 10403 0 0 0 6707 1 0 0 25 0 1 0 230990397 691830784 582 18446744073709551615 134512640 134924432 4294956656 18446744073709551615 134535518 0 0 4096 0 0 0 0 17 1 0 0
/proc/25522/statm: 168904 582 45 100 0 168801 0
Current children cumulated CPU time (s) 67.08
Current children cumulated vsize (KiB) 675616

[startup+68.7018 s]
/proc/loadavg: 1.02 1.02 1.00 2/78 25523
/proc/meminfo: memFree=1434808/2055920 swapFree=4147180/4192956
[pid=25522] ppid=25520 vsize=675616 CPUtime=68.67
/proc/25522/stat : 25522 (dewSatz_1a) R 25520 25522 24541 0 -1 4194304 10403 0 0 0 6866 1 0 0 25 0 1 0 230990397 691830784 582 18446744073709551615 134512640 134924432 4294956656 18446744073709551615 134528618 0 0 4096 0 0 0 0 17 1 0 0
/proc/25522/statm: 168904 582 45 100 0 168801 0
Current children cumulated CPU time (s) 68.67
Current children cumulated vsize (KiB) 675616

[startup+70.3019 s]
/proc/loadavg: 1.02 1.02 1.00 2/78 25523
/proc/meminfo: memFree=1434808/2055920 swapFree=4147180/4192956
[pid=25522] ppid=25520 vsize=675616 CPUtime=70.28
/proc/25522/stat : 25522 (dewSatz_1a) R 25520 25522 24541 0 -1 4194304 10403 0 0 0 7027 1 0 0 25 0 1 0 230990397 691830784 582 18446744073709551615 134512640 134924432 4294956656 18446744073709551615 134525092 0 0 4096 0 0 0 0 17 1 0 0
/proc/25522/statm: 168904 582 45 100 0 168801 0
Current children cumulated CPU time (s) 70.28
Current children cumulated vsize (KiB) 675616

[startup+70.702 s]
/proc/loadavg: 1.02 1.02 1.00 2/78 25523
/proc/meminfo: memFree=1434808/2055920 swapFree=4147180/4192956
[pid=25522] ppid=25520 vsize=675616 CPUtime=70.67
/proc/25522/stat : 25522 (dewSatz_1a) R 25520 25522 24541 0 -1 4194304 10403 0 0 0 7066 1 0 0 25 0 1 0 230990397 691830784 582 18446744073709551615 134512640 134924432 4294956656 18446744073709551615 134530826 0 0 4096 0 0 0 0 17 1 0 0
/proc/25522/statm: 168904 582 45 100 0 168801 0
Current children cumulated CPU time (s) 70.67
Current children cumulated vsize (KiB) 675616

[startup+70.902 s]
/proc/loadavg: 1.02 1.02 1.00 2/78 25523
/proc/meminfo: memFree=1434808/2055920 swapFree=4147180/4192956
[pid=25522] ppid=25520 vsize=675616 CPUtime=70.87
/proc/25522/stat : 25522 (dewSatz_1a) R 25520 25522 24541 0 -1 4194304 10403 0 0 0 7086 1 0 0 25 0 1 0 230990397 691830784 582 18446744073709551615 134512640 134924432 4294956656 18446744073709551615 134525057 0 0 4096 0 0 0 0 17 1 0 0
/proc/25522/statm: 168904 582 45 100 0 168801 0
Current children cumulated CPU time (s) 70.87
Current children cumulated vsize (KiB) 675616

[startup+71.002 s]
/proc/loadavg: 1.02 1.02 1.00 2/78 25523
/proc/meminfo: memFree=1434808/2055920 swapFree=4147180/4192956
[pid=25522] ppid=25520 vsize=675616 CPUtime=70.97
/proc/25522/stat : 25522 (dewSatz_1a) R 25520 25522 24541 0 -1 4194304 10403 0 0 0 7096 1 0 0 25 0 1 0 230990397 691830784 582 18446744073709551615 134512640 134924432 4294956656 18446744073709551615 134525156 0 0 4096 0 0 0 0 17 1 0 0
/proc/25522/statm: 168904 582 45 100 0 168801 0
Current children cumulated CPU time (s) 70.97
Current children cumulated vsize (KiB) 675616

Child status: 20
Real time (s): 71.0398
CPU time (s): 71.0212
CPU user time (s): 71.0052
CPU system time (s): 0.015997
CPU usage (%): 99.9739
Max. virtual memory (cumulated for all children) (KiB): 675616

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 71.0052
system time used= 0.015997
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 10417
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= 110

runsolver used 0.052991 second user time and 0.161975 second system time

The end

Launcher Data (download as text)

Begin job on node18 on Sun Apr 29 07:12:10 UTC 2007

IDJOB= 426922
IDBENCH= 20232
IDSOLVER= 195
FILE ID= node18/426922-1177830730

PBS_JOBID= 4718243

Free space on /tmp= 66563 MiB

SOLVER NAME= DEWSATZ 1A 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/random/2+p/p0.7/v5500/unif2p-p0.7-v5500-c14685-S1110066181-15-UNSAT.cnf
COMMAND LINE= /tmp/evaluation/426922-1177830730/dewSatz_1a /tmp/evaluation/426922-1177830730/instance-426922-1177830730.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node18/watcher-426922-1177830730 -o ROOT/results/node18/solver-426922-1177830730 -C 5000 -W 7500 -M 1800 --output-limit 1,15  /tmp/evaluation/426922-1177830730/dewSatz_1a /tmp/evaluation/426922-1177830730/instance-426922-1177830730.cnf            

META MD5SUM SOLVER= d41d8cd98f00b204e9800998ecf8427e
MD5SUM BENCH=  02ac0323b8681994481799266f6a3a32

RANDOM SEED= 282427555

TIME LIMIT= 5000 seconds
MEMORY LIMIT= 1800 MiB

Linux node18.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		: 3000.234
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		: 3000.234
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:       1437744 kB
Buffers:         56272 kB
Cached:         464260 kB
SwapCached:      14832 kB
Active:         288168 kB
Inactive:       256120 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1437744 kB
SwapTotal:     4192956 kB
SwapFree:      4147180 kB
Dirty:            1728 kB
Writeback:           0 kB
Mapped:          30464 kB
Slab:            59432 kB
Committed_AS:  5507788 kB
PageTables:       1776 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= 66563 MiB

End job on node18 on Sun Apr 29 07:13:21 UTC 2007