Trace number 1532832

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
adaptg2wsat2009 2009-03-23SAT 2.22166 2.22283

General information on the benchmark

NameRANDOM/LARGE/3SAT/UNKNOWN/4000/
unif-k3-r4.2-v4000-c16800-S1271018787-049.cnf
MD5SUMa2535194d868b4e0014d35a0421df6ea
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1.88471
Satisfiable
(Un)Satisfiability was proved
Number of variables4000
Number of clauses16800
Sum of the clauses size50400
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 316800
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

2.19/2.22	c 0 clauses are redundant and removed
2.19/2.22	c 0 vars are fixed and 0 clauses are removed after unit propagation
2.19/2.22	c 0 vars are fixed and 0 clauses are removed after lookahead
2.19/2.22	c initial seed is 131052876
2.19/2.22	c try 1 flip j 1330718 walk 1209824 seed 1891205590
2.19/2.22	c A solution is found
2.19/2.22	s SATISFIABLE
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2.19/2.22	v 0 
2.19/2.22	c Done (mycputime is 2.160 seconds)

Verifier Data 

OK

Watcher Data 

runsolver version 3.2.9 (svn:489) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1532832-1238401244/watcher-1532832-1238401244 -o /tmp/evaluation-result-1532832-1238401244/solver-1532832-1238401244 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/adaptg2wsat2009 HOME/instance-1532832-1238401244.cnf 131052876 

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: 0.99 0.98 0.99 3/64 12629
/proc/meminfo: memFree=1675328/2055920 swapFree=4179168/4192956
[pid=12629] ppid=12627 vsize=415800 CPUtime=0
/proc/12629/stat : 12629 (adaptg2wsat2009) R 12627 12629 12474 0 -1 4194304 110 0 0 0 0 0 0 0 18 0 1 0 1112786284 425779200 94 1992294400 134512640 135106963 4294956208 18446744073709551615 134733154 0 0 4096 0 0 0 0 17 1 0 0
/proc/12629/statm: 103950 94 49 145 0 102826 0

[startup+0.086592 s]
/proc/loadavg: 0.99 0.98 0.99 3/64 12629
/proc/meminfo: memFree=1675328/2055920 swapFree=4179168/4192956
[pid=12629] ppid=12627 vsize=417664 CPUtime=0.08
/proc/12629/stat : 12629 (adaptg2wsat2009) R 12627 12629 12474 0 -1 4194304 795 0 0 0 8 0 0 0 18 0 1 0 1112786284 427687936 778 1992294400 134512640 135106963 4294956208 18446744073709551615 134531839 0 0 4096 0 0 0 0 17 1 0 0
/proc/12629/statm: 104416 778 60 145 0 103292 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 417664

[startup+0.101592 s]
/proc/loadavg: 0.99 0.98 0.99 3/64 12629
/proc/meminfo: memFree=1675328/2055920 swapFree=4179168/4192956
[pid=12629] ppid=12627 vsize=417664 CPUtime=0.09
/proc/12629/stat : 12629 (adaptg2wsat2009) R 12627 12629 12474 0 -1 4194304 795 0 0 0 9 0 0 0 18 0 1 0 1112786284 427687936 778 1992294400 134512640 135106963 4294956208 18446744073709551615 134533784 0 0 4096 0 0 0 0 17 1 0 0
/proc/12629/statm: 104416 778 60 145 0 103292 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 417664

[startup+0.301611 s]
/proc/loadavg: 0.99 0.98 0.99 3/64 12629
/proc/meminfo: memFree=1675328/2055920 swapFree=4179168/4192956
[pid=12629] ppid=12627 vsize=417664 CPUtime=0.29
/proc/12629/stat : 12629 (adaptg2wsat2009) R 12627 12629 12474 0 -1 4194304 795 0 0 0 29 0 0 0 19 0 1 0 1112786284 427687936 778 1992294400 134512640 135106963 4294956208 18446744073709551615 134534897 0 0 4096 0 0 0 0 17 1 0 0
/proc/12629/statm: 104416 778 60 145 0 103292 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 417664

[startup+0.701648 s]
/proc/loadavg: 0.99 0.98 0.99 3/64 12629
/proc/meminfo: memFree=1675328/2055920 swapFree=4179168/4192956
[pid=12629] ppid=12627 vsize=417664 CPUtime=0.69
/proc/12629/stat : 12629 (adaptg2wsat2009) R 12627 12629 12474 0 -1 4194304 795 0 0 0 69 0 0 0 22 0 1 0 1112786284 427687936 778 1992294400 134512640 135106963 4294956208 18446744073709551615 134532131 0 0 4096 0 0 0 0 17 1 0 0
/proc/12629/statm: 104416 778 60 145 0 103292 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 417664

[startup+1.50172 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 12630
/proc/meminfo: memFree=1672248/2055920 swapFree=4179168/4192956
[pid=12629] ppid=12627 vsize=417664 CPUtime=1.49
/proc/12629/stat : 12629 (adaptg2wsat2009) R 12627 12629 12474 0 -1 4194304 795 0 0 0 149 0 0 0 25 0 1 0 1112786284 427687936 778 1992294400 134512640 135106963 4294956208 18446744073709551615 134531308 0 0 4096 0 0 0 0 17 1 0 0
/proc/12629/statm: 104416 778 60 145 0 103292 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 417664

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

[startup+1.90176 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 12630
/proc/meminfo: memFree=1672248/2055920 swapFree=4179168/4192956
[pid=12629] ppid=12627 vsize=417664 CPUtime=1.89
/proc/12629/stat : 12629 (adaptg2wsat2009) R 12627 12629 12474 0 -1 4194304 795 0 0 0 189 0 0 0 25 0 1 0 1112786284 427687936 778 1992294400 134512640 135106963 4294956208 18446744073709551615 134532039 0 0 4096 0 0 0 0 17 1 0 0
/proc/12629/statm: 104416 778 60 145 0 103292 0
Current children cumulated CPU time (s) 1.89
Current children cumulated vsize (KiB) 417664

[startup+2.10178 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 12630
/proc/meminfo: memFree=1672120/2055920 swapFree=4179168/4192956
[pid=12629] ppid=12627 vsize=417664 CPUtime=2.09
/proc/12629/stat : 12629 (adaptg2wsat2009) R 12627 12629 12474 0 -1 4194304 795 0 0 0 209 0 0 0 25 0 1 0 1112786284 427687936 778 1992294400 134512640 135106963 4294956208 18446744073709551615 134532095 0 0 4096 0 0 0 0 17 1 0 0
/proc/12629/statm: 104416 778 60 145 0 103292 0
Current children cumulated CPU time (s) 2.09
Current children cumulated vsize (KiB) 417664

[startup+2.20579 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 12630
/proc/meminfo: memFree=1672120/2055920 swapFree=4179168/4192956
[pid=12629] ppid=12627 vsize=417668 CPUtime=2.19
/proc/12629/stat : 12629 (adaptg2wsat2009) R 12627 12629 12474 0 -1 4194304 796 0 0 0 219 0 0 0 25 0 1 0 1112786284 427692032 779 1992294400 134512640 135106963 4294956208 18446744073709551615 134611406 0 0 4096 0 0 0 0 17 1 0 0
/proc/12629/statm: 104417 779 60 145 0 103293 0
Current children cumulated CPU time (s) 2.19
Current children cumulated vsize (KiB) 417668

Child status: 10
Real time (s): 2.22283
CPU time (s): 2.22166
CPU user time (s): 2.21666
CPU system time (s): 0.004999
CPU usage (%): 99.9472
Max. virtual memory (cumulated for all children) (KiB): 417668

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.21666
system time used= 0.004999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 804
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= 3

runsolver used 0.006998 second user time and 0.009998 second system time

The end

Launcher Data 

Begin job on node61 at 2009-03-30 10:20:44
IDJOB=1532832
IDBENCH=70340
IDSOLVER=542
FILE ID=node61/1532832-1238401244
PBS_JOBID= 9061437
Free space on /tmp= 66344 MiB

SOLVER NAME= adaptg2wsat2009 2009-03-23
BENCH NAME= SAT09/RANDOM/LARGE/3SAT/UNKNOWN/4000/unif-k3-r4.2-v4000-c16800-S1271018787-049.cnf
COMMAND LINE= HOME/adaptg2wsat2009 BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1532832-1238401244/watcher-1532832-1238401244 -o /tmp/evaluation-result-1532832-1238401244/solver-1532832-1238401244 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/adaptg2wsat2009 HOME/instance-1532832-1238401244.cnf 131052876

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

MD5SUM BENCH= a2535194d868b4e0014d35a0421df6ea
RANDOM SEED=131052876

node61.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		: 3000.238
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		: 3000.238
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:       1675744 kB
Buffers:         72748 kB
Cached:         214656 kB
SwapCached:       7920 kB
Active:          60168 kB
Inactive:       236828 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1675744 kB
SwapTotal:     4192956 kB
SwapFree:      4179168 kB
Dirty:            5084 kB
Writeback:           0 kB
Mapped:          15400 kB
Slab:            69196 kB
Committed_AS:  2607120 kB
PageTables:       1372 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264884 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66340 MiB
End job on node61 at 2009-03-30 10:20:46