Trace number 311532

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 2007-02-08SAT 237.925 237.99

General information on the benchmark

Namerandom/2+p/p0.8/v2035/
unif2p-p0.8-v2035-c6328-S668297284-15-SAT.cnf
MD5SUM4d15e4ef1977463310683c8d04611f9d
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.433933
Satisfiable
(Un)Satisfiability was proved
Number of variables2035
Number of clauses6327
Sum of the clauses size17716
Maximum clause length3
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 21265
Number of clauses of size 35062
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data (download as text)

237.85/237.98	c   
237.85/237.98	c =====================================================================================================
237.85/237.98	c Copyright (c) 2004 National ICT Australia Limited (NICTA) and applicable third parties.
237.85/237.98	c For details, see the Australian Public Licence B (OZPLB) V1-1, under which this software is licensed.
237.85/237.98	c The OZPLB text is embedded in the source code for this software.
237.85/237.98	c =====================================================================================================
237.85/237.98	c   
237.85/237.98	c solution of Dew_Satz_1e.c 
237.85/237.98	s SATISFIABLE
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-2022 -2023 -2024 -2025 2026 2027 2028 2029 2030 -2031 -2032 -2033 -2034 -2035 0 
237.85/237.98	c Dew_Satz_1e /tmp/evaluation/311532-1172571359/instance-311532-1172571359.cnf 1 237.940  0.050 8403 8403 0 8403 8430 87447317 1317559 7927781 886220 6354 6354 2035 0 2035

Verifier Data (download as text)

OK

Watcher Data (download as text)

runsolver version 3.2.0 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node25/watcher-311532-1172571359 -o ROOT/results/node25/solver-311532-1172571359 -C 1200 -M 1800 --output-limit 1,15 /tmp/evaluation/311532-1172571359/dewSatz /tmp/evaluation/311532-1172571359/instance-311532-1172571359.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1230 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: 0.79 0.94 0.98 3/64 11548
/proc/meminfo: memFree=1818016/2055920 swapFree=4183552/4192956
[pid=11548] ppid=11546 vsize=690016 CPUtime=0
/proc/11548/stat : 11548 (dewSatz) R 11546 11548 11188 0 -1 4194304 94 0 0 0 0 0 0 0 18 0 1 0 51758107 706576384 78 18446744073709551615 134512640 134923568 4294956704 18446744073709551615 134574791 0 0 4096 0 0 0 0 17 1 0 0
/proc/11548/statm: 172504 79 39 100 0 172401 0

[startup+0.107297 s]
/proc/loadavg: 0.79 0.94 0.98 3/64 11548
/proc/meminfo: memFree=1818016/2055920 swapFree=4183552/4192956
[pid=11548] ppid=11546 vsize=690432 CPUtime=0.1
/proc/11548/stat : 11548 (dewSatz) R 11546 11548 11188 0 -1 4194304 10096 0 0 0 9 1 0 0 18 0 1 0 51758107 707002368 298 18446744073709551615 134512640 134923568 4294956704 18446744073709551615 134532450 0 0 4096 0 0 0 0 17 1 0 0
/proc/11548/statm: 172608 298 43 100 0 172505 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 690432

[startup+0.515334 s]
/proc/loadavg: 0.79 0.94 0.98 3/64 11548
/proc/meminfo: memFree=1818016/2055920 swapFree=4183552/4192956
[pid=11548] ppid=11546 vsize=690432 CPUtime=0.51
/proc/11548/stat : 11548 (dewSatz) R 11546 11548 11188 0 -1 4194304 10100 0 0 0 50 1 0 0 21 0 1 0 51758107 707002368 302 18446744073709551615 134512640 134923568 4294956704 18446744073709551615 134530829 0 0 4096 0 0 0 0 17 1 0 0
/proc/11548/statm: 172608 302 43 100 0 172505 0
Current children cumulated CPU time (s) 0.51
Current children cumulated vsize (KiB) 690432

[startup+1.33541 s]
/proc/loadavg: 0.79 0.94 0.98 2/65 11549
/proc/meminfo: memFree=1816728/2055920 swapFree=4183552/4192956
[pid=11548] ppid=11546 vsize=690432 CPUtime=1.33
/proc/11548/stat : 11548 (dewSatz) R 11546 11548 11188 0 -1 4194304 10101 0 0 0 132 1 0 0 25 0 1 0 51758107 707002368 303 18446744073709551615 134512640 134923568 4294956704 18446744073709551615 134531011 0 0 4096 0 0 0 0 17 1 0 0
/proc/11548/statm: 172608 303 43 100 0 172505 0
Current children cumulated CPU time (s) 1.33
Current children cumulated vsize (KiB) 690432

[startup+2.97155 s]
/proc/loadavg: 0.79 0.94 0.98 2/65 11549
/proc/meminfo: memFree=1816600/2055920 swapFree=4183552/4192956
[pid=11548] ppid=11546 vsize=690432 CPUtime=2.96
/proc/11548/stat : 11548 (dewSatz) R 11546 11548 11188 0 -1 4194304 10101 0 0 0 295 1 0 0 25 0 1 0 51758107 707002368 303 18446744073709551615 134512640 134923568 4294956704 18446744073709551615 134535021 0 0 4096 0 0 0 0 17 1 0 0
/proc/11548/statm: 172608 303 43 100 0 172505 0
Current children cumulated CPU time (s) 2.96
Current children cumulated vsize (KiB) 690432

[startup+6.25185 s]
/proc/loadavg: 0.80 0.94 0.98 2/65 11549
/proc/meminfo: memFree=1816600/2055920 swapFree=4183552/4192956
[pid=11548] ppid=11546 vsize=690432 CPUtime=6.24
/proc/11548/stat : 11548 (dewSatz) R 11546 11548 11188 0 -1 4194304 10101 0 0 0 623 1 0 0 25 0 1 0 51758107 707002368 303 18446744073709551615 134512640 134923568 4294956704 18446744073709551615 134530860 0 0 4096 0 0 0 0 17 1 0 0
/proc/11548/statm: 172608 303 43 100 0 172505 0
Current children cumulated CPU time (s) 6.24
Current children cumulated vsize (KiB) 690432

[startup+12.7024 s]
/proc/loadavg: 0.82 0.94 0.98 2/65 11549
/proc/meminfo: memFree=1816600/2055920 swapFree=4183552/4192956
[pid=11548] ppid=11546 vsize=690432 CPUtime=12.69
/proc/11548/stat : 11548 (dewSatz) R 11546 11548 11188 0 -1 4194304 10101 0 0 0 1268 1 0 0 25 0 1 0 51758107 707002368 303 18446744073709551615 134512640 134923568 4294956704 18446744073709551615 134533218 0 0 4096 0 0 0 0 17 1 0 0
/proc/11548/statm: 172608 303 43 100 0 172505 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 690432

[startup+25.5066 s]
/proc/loadavg: 0.85 0.94 0.98 2/65 11549
/proc/meminfo: memFree=1816600/2055920 swapFree=4183552/4192956
[pid=11548] ppid=11546 vsize=690432 CPUtime=25.49
/proc/11548/stat : 11548 (dewSatz) R 11546 11548 11188 0 -1 4194304 10101 0 0 0 2548 1 0 0 25 0 1 0 51758107 707002368 303 18446744073709551615 134512640 134923568 4294956704 18446744073709551615 134531639 0 0 4096 0 0 0 0 17 1 0 0
/proc/11548/statm: 172608 303 43 100 0 172505 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 690432

[startup+51.1119 s]
/proc/loadavg: 0.91 0.94 0.98 2/65 11549
/proc/meminfo: memFree=1816600/2055920 swapFree=4183552/4192956
[pid=11548] ppid=11546 vsize=690432 CPUtime=51.09
/proc/11548/stat : 11548 (dewSatz) R 11546 11548 11188 0 -1 4194304 10101 0 0 0 5108 1 0 0 25 0 1 0 51758107 707002368 303 18446744073709551615 134512640 134923568 4294956704 18446744073709551615 134532450 0 0 4096 0 0 0 0 17 1 0 0
/proc/11548/statm: 172608 303 43 100 0 172505 0
Current children cumulated CPU time (s) 51.09
Current children cumulated vsize (KiB) 690432

[startup+102.318 s]
/proc/loadavg: 0.96 0.95 0.98 2/65 11549
/proc/meminfo: memFree=1816536/2055920 swapFree=4183552/4192956
[pid=11548] ppid=11546 vsize=690432 CPUtime=102.28
/proc/11548/stat : 11548 (dewSatz) R 11546 11548 11188 0 -1 4194304 10101 0 0 0 10227 1 0 0 25 0 1 0 51758107 707002368 303 18446744073709551615 134512640 134923568 4294956704 18446744073709551615 134531646 0 0 4096 0 0 0 0 17 1 0 0
/proc/11548/statm: 172608 303 43 100 0 172505 0
Current children cumulated CPU time (s) 102.28
Current children cumulated vsize (KiB) 690432

[startup+162.337 s]
/proc/loadavg: 0.98 0.95 0.98 2/65 11549
/proc/meminfo: memFree=1816536/2055920 swapFree=4183552/4192956
[pid=11548] ppid=11546 vsize=690432 CPUtime=162.28
/proc/11548/stat : 11548 (dewSatz) R 11546 11548 11188 0 -1 4194304 10102 0 0 0 16227 1 0 0 25 0 1 0 51758107 707002368 304 18446744073709551615 134512640 134923568 4294956704 18446744073709551615 134533370 0 0 4096 0 0 0 0 17 1 0 0
/proc/11548/statm: 172608 304 43 100 0 172505 0
Current children cumulated CPU time (s) 162.28
Current children cumulated vsize (KiB) 690432

[startup+222.352 s]
/proc/loadavg: 0.99 0.96 0.98 2/65 11549
/proc/meminfo: memFree=1816472/2055920 swapFree=4183552/4192956
[pid=11548] ppid=11546 vsize=690432 CPUtime=222.28
/proc/11548/stat : 11548 (dewSatz) R 11546 11548 11188 0 -1 4194304 10103 0 0 0 22227 1 0 0 25 0 1 0 51758107 707002368 305 18446744073709551615 134512640 134923568 4294956704 18446744073709551615 134532441 0 0 4096 0 0 0 0 17 1 0 0
/proc/11548/statm: 172608 305 43 100 0 172505 0
Current children cumulated CPU time (s) 222.28
Current children cumulated vsize (KiB) 690432

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

[startup+222.862 s]
/proc/loadavg: 0.99 0.96 0.98 2/65 11549
/proc/meminfo: memFree=1816472/2055920 swapFree=4183552/4192956
[pid=11548] ppid=11546 vsize=690432 CPUtime=222.79
/proc/11548/stat : 11548 (dewSatz) R 11546 11548 11188 0 -1 4194304 10103 0 0 0 22278 1 0 0 25 0 1 0 51758107 707002368 305 18446744073709551615 134512640 134923568 4294956704 18446744073709551615 134530194 0 0 4096 0 0 0 0 17 1 0 0
/proc/11548/statm: 172608 305 43 100 0 172505 0
Current children cumulated CPU time (s) 222.79
Current children cumulated vsize (KiB) 690432

[startup+229.419 s]
/proc/loadavg: 0.99 0.96 0.98 2/65 11549
/proc/meminfo: memFree=1816472/2055920 swapFree=4183552/4192956
[pid=11548] ppid=11546 vsize=690432 CPUtime=229.35
/proc/11548/stat : 11548 (dewSatz) R 11546 11548 11188 0 -1 4194304 10103 0 0 0 22934 1 0 0 25 0 1 0 51758107 707002368 305 18446744073709551615 134512640 134923568 4294956704 18446744073709551615 134530194 0 0 4096 0 0 0 0 17 1 0 0
/proc/11548/statm: 172608 305 43 100 0 172505 0
Current children cumulated CPU time (s) 229.35
Current children cumulated vsize (KiB) 690432

[startup+232.695 s]
/proc/loadavg: 0.99 0.96 0.98 2/65 11549
/proc/meminfo: memFree=1816472/2055920 swapFree=4183552/4192956
[pid=11548] ppid=11546 vsize=690432 CPUtime=232.62
/proc/11548/stat : 11548 (dewSatz) R 11546 11548 11188 0 -1 4194304 10103 0 0 0 23261 1 0 0 25 0 1 0 51758107 707002368 305 18446744073709551615 134512640 134923568 4294956704 18446744073709551615 134532450 0 0 4096 0 0 0 0 17 1 0 0
/proc/11548/statm: 172608 305 43 100 0 172505 0
Current children cumulated CPU time (s) 232.62
Current children cumulated vsize (KiB) 690432

[startup+235.976 s]
/proc/loadavg: 0.99 0.96 0.98 2/65 11549
/proc/meminfo: memFree=1816472/2055920 swapFree=4183552/4192956
[pid=11548] ppid=11546 vsize=690432 CPUtime=235.9
/proc/11548/stat : 11548 (dewSatz) R 11546 11548 11188 0 -1 4194304 10103 0 0 0 23589 1 0 0 25 0 1 0 51758107 707002368 305 18446744073709551615 134512640 134923568 4294956704 18446744073709551615 134526719 0 0 4096 0 0 0 0 17 1 0 0
/proc/11548/statm: 172608 305 43 100 0 172505 0
Current children cumulated CPU time (s) 235.9
Current children cumulated vsize (KiB) 690432

[startup+236.795 s]
/proc/loadavg: 0.99 0.96 0.98 2/65 11549
/proc/meminfo: memFree=1816472/2055920 swapFree=4183552/4192956
[pid=11548] ppid=11546 vsize=690432 CPUtime=236.72
/proc/11548/stat : 11548 (dewSatz) R 11546 11548 11188 0 -1 4194304 10103 0 0 0 23671 1 0 0 25 0 1 0 51758107 707002368 305 18446744073709551615 134512640 134923568 4294956704 18446744073709551615 134532628 0 0 4096 0 0 0 0 17 1 0 0
/proc/11548/statm: 172608 305 43 100 0 172505 0
Current children cumulated CPU time (s) 236.72
Current children cumulated vsize (KiB) 690432

[startup+237.611 s]
/proc/loadavg: 0.99 0.96 0.98 2/65 11549
/proc/meminfo: memFree=1816472/2055920 swapFree=4183552/4192956
[pid=11548] ppid=11546 vsize=690432 CPUtime=237.54
/proc/11548/stat : 11548 (dewSatz) R 11546 11548 11188 0 -1 4194304 10103 0 0 0 23753 1 0 0 25 0 1 0 51758107 707002368 305 18446744073709551615 134512640 134923568 4294956704 18446744073709551615 134530287 0 0 4096 0 0 0 0 17 1 0 0
/proc/11548/statm: 172608 305 43 100 0 172505 0
Current children cumulated CPU time (s) 237.54
Current children cumulated vsize (KiB) 690432

[startup+237.819 s]
/proc/loadavg: 0.99 0.96 0.98 2/65 11549
/proc/meminfo: memFree=1816472/2055920 swapFree=4183552/4192956
[pid=11548] ppid=11546 vsize=690432 CPUtime=237.74
/proc/11548/stat : 11548 (dewSatz) R 11546 11548 11188 0 -1 4194304 10103 0 0 0 23773 1 0 0 25 0 1 0 51758107 707002368 305 18446744073709551615 134512640 134923568 4294956704 18446744073709551615 134533208 0 0 4096 0 0 0 0 17 1 0 0
/proc/11548/statm: 172608 305 43 100 0 172505 0
Current children cumulated CPU time (s) 237.74
Current children cumulated vsize (KiB) 690432

[startup+237.921 s]
/proc/loadavg: 0.99 0.96 0.98 2/65 11549
/proc/meminfo: memFree=1816472/2055920 swapFree=4183552/4192956
[pid=11548] ppid=11546 vsize=690432 CPUtime=237.85
/proc/11548/stat : 11548 (dewSatz) R 11546 11548 11188 0 -1 4194304 10103 0 0 0 23784 1 0 0 25 0 1 0 51758107 707002368 305 18446744073709551615 134512640 134923568 4294956704 18446744073709551615 134526918 0 0 4096 0 0 0 0 17 1 0 0
/proc/11548/statm: 172608 305 43 100 0 172505 0
Current children cumulated CPU time (s) 237.85
Current children cumulated vsize (KiB) 690432

Child status: 10
Real time (s): 237.99
CPU time (s): 237.925
CPU user time (s): 237.907
CPU system time (s): 0.017997
CPU usage (%): 99.9728
Max. virtual memory (cumulated for all children) (KiB): 690432

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 237.907
system time used= 0.017997
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 10119
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= 211

runsolver used 0.165974 second user time and 0.477927 second system time

The end

Launcher Data (download as text)

Begin job on node25 on Tue Feb 27 10:15:59 UTC 2007

IDJOB= 311532
IDBENCH= 20316
IDSOLVER= 119
FILE ID= node25/311532-1172571359

PBS_JOBID= 3971913

Free space on /tmp= 66559 MiB

SOLVER NAME= DEWSATZ 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/random/2+p/p0.8/v2035/unif2p-p0.8-v2035-c6328-S668297284-15-SAT.cnf
COMMAND LINE= /tmp/evaluation/311532-1172571359/dewSatz /tmp/evaluation/311532-1172571359/instance-311532-1172571359.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node25/watcher-311532-1172571359 -o ROOT/results/node25/solver-311532-1172571359 -C 1200 -M 1800 --output-limit 1,15  /tmp/evaluation/311532-1172571359/dewSatz /tmp/evaluation/311532-1172571359/instance-311532-1172571359.cnf            

META MD5SUM SOLVER= 96edd87e369231aed4bad098c50e0080
MD5SUM BENCH=  4d15e4ef1977463310683c8d04611f9d

RANDOM SEED= 347008071

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node25.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		: 3000.232
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		: 3000.232
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:       1818424 kB
Buffers:         32512 kB
Cached:         157204 kB
SwapCached:       3676 kB
Active:          97632 kB
Inactive:       102068 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1818424 kB
SwapTotal:     4192956 kB
SwapFree:      4183552 kB
Dirty:            1196 kB
Writeback:           0 kB
Mapped:          15424 kB
Slab:            23816 kB
Committed_AS:   131584 kB
PageTables:       1472 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= 66559 MiB

End job on node25 on Tue Feb 27 10:19:57 UTC 2007