Trace number 1562014

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
Hybrid2 2009-03-22SAT 283.992 284.07

General information on the benchmark

NameCRAFTED/
edgematching/all/em_7_3_6_all.cnf
MD5SUM3264a66e18d5550049c950d1156ee464
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.524919
Satisfiable
(Un)Satisfiability was proved
Number of variables1473
Number of clauses30387
Sum of the clauses size75224
Maximum clause length25
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 221205
Number of clauses of size 37024
Number of clauses of size 4708
Number of clauses of size 51300
Number of clauses of size over 5150

Solver Data 

283.91/284.06	c try 1 flip j 87690502
283.91/284.06	c A solution is found
283.91/284.06	s SATISFIABLE
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283.91/284.06	v 0 
283.91/284.06	c Done (mycputime is 283.880 seconds)

Verifier Data 

OK

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1562014-1238769968/watcher-1562014-1238769968 -o /tmp/evaluation-result-1562014-1238769968/solver-1562014-1238769968 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/Hybrid2 HOME/instance-1562014-1238769968.cnf 484913582 

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: 1.00 1.00 1.00 3/64 24462
/proc/meminfo: memFree=1575824/2055920 swapFree=4178508/4192956
[pid=24462] ppid=24460 vsize=450944 CPUtime=0
/proc/24462/stat : 24462 (Hybrid2) R 24460 24462 23992 0 -1 4194304 118 0 0 0 0 0 0 0 18 0 1 0 1149659151 461766656 103 1992294400 134512640 135106774 4294956208 18446744073709551615 134612774 0 0 4096 0 0 0 0 17 1 0 0
/proc/24462/statm: 112736 103 53 145 0 111612 0

[startup+0.0628209 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 24462
/proc/meminfo: memFree=1575824/2055920 swapFree=4178508/4192956
[pid=24462] ppid=24460 vsize=452524 CPUtime=0.05
/proc/24462/stat : 24462 (Hybrid2) R 24460 24462 23992 0 -1 4194304 647 0 0 0 5 0 0 0 18 0 1 0 1149659151 463384576 631 1992294400 134512640 135106774 4294956208 18446744073709551615 134523994 0 0 4096 0 0 0 0 17 1 0 0
/proc/24462/statm: 113131 631 53 145 0 112007 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 452524

[startup+0.102823 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 24462
/proc/meminfo: memFree=1575824/2055920 swapFree=4178508/4192956
[pid=24462] ppid=24460 vsize=452524 CPUtime=0.09
/proc/24462/stat : 24462 (Hybrid2) R 24460 24462 23992 0 -1 4194304 647 0 0 0 9 0 0 0 18 0 1 0 1149659151 463384576 631 1992294400 134512640 135106774 4294956208 18446744073709551615 134524183 0 0 4096 0 0 0 0 17 1 0 0
/proc/24462/statm: 113131 631 53 145 0 112007 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 452524

[startup+0.302846 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 24462
/proc/meminfo: memFree=1575824/2055920 swapFree=4178508/4192956
[pid=24462] ppid=24460 vsize=456852 CPUtime=0.29
/proc/24462/stat : 24462 (Hybrid2) R 24460 24462 23992 0 -1 4194304 882 0 0 0 29 0 0 0 19 0 1 0 1149659151 467816448 866 1992294400 134512640 135106774 4294956208 18446744073709551615 134518450 0 0 4096 0 0 0 0 17 1 0 0
/proc/24462/statm: 114213 866 56 145 0 113089 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 456852

[startup+0.701892 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 24462
/proc/meminfo: memFree=1575824/2055920 swapFree=4178508/4192956
[pid=24462] ppid=24460 vsize=456852 CPUtime=0.69
/proc/24462/stat : 24462 (Hybrid2) R 24460 24462 23992 0 -1 4194304 882 0 0 0 69 0 0 0 22 0 1 0 1149659151 467816448 866 1992294400 134512640 135106774 4294956208 18446744073709551615 134526463 0 0 4096 0 0 0 0 17 1 0 0
/proc/24462/statm: 114213 866 56 145 0 113089 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 456852

[startup+1.50198 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 24463
/proc/meminfo: memFree=1572424/2055920 swapFree=4178508/4192956
[pid=24462] ppid=24460 vsize=456852 CPUtime=1.49
/proc/24462/stat : 24462 (Hybrid2) R 24460 24462 23992 0 -1 4194304 882 0 0 0 149 0 0 0 25 0 1 0 1149659151 467816448 866 1992294400 134512640 135106774 4294956208 18446744073709551615 134528744 0 0 4096 0 0 0 0 17 1 0 0
/proc/24462/statm: 114213 866 56 145 0 113089 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 456852

[startup+3.10117 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 24463
/proc/meminfo: memFree=1572296/2055920 swapFree=4178508/4192956
[pid=24462] ppid=24460 vsize=456852 CPUtime=3.09
/proc/24462/stat : 24462 (Hybrid2) R 24460 24462 23992 0 -1 4194304 882 0 0 0 309 0 0 0 25 0 1 0 1149659151 467816448 866 1992294400 134512640 135106774 4294956208 18446744073709551615 134527239 0 0 4096 0 0 0 0 17 1 0 0
/proc/24462/statm: 114213 866 56 145 0 113089 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 456852

[startup+6.30153 s]
/proc/loadavg: 1.08 1.02 1.01 2/65 24463
/proc/meminfo: memFree=1572168/2055920 swapFree=4178508/4192956
[pid=24462] ppid=24460 vsize=456852 CPUtime=6.29
/proc/24462/stat : 24462 (Hybrid2) R 24460 24462 23992 0 -1 4194304 882 0 0 0 629 0 0 0 25 0 1 0 1149659151 467816448 866 1992294400 134512640 135106774 4294956208 18446744073709551615 134518017 0 0 4096 0 0 0 0 17 1 0 0
/proc/24462/statm: 114213 866 56 145 0 113089 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 456852

[startup+12.7013 s]
/proc/loadavg: 1.07 1.02 1.00 2/65 24463
/proc/meminfo: memFree=1572056/2055920 swapFree=4178508/4192956
[pid=24462] ppid=24460 vsize=456852 CPUtime=12.68
/proc/24462/stat : 24462 (Hybrid2) R 24460 24462 23992 0 -1 4194304 882 0 0 0 1268 0 0 0 25 0 1 0 1149659151 467816448 866 1992294400 134512640 135106774 4294956208 18446744073709551615 134526830 0 0 4096 0 0 0 0 17 1 0 0
/proc/24462/statm: 114213 866 56 145 0 113089 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 456852

[startup+25.5017 s]
/proc/loadavg: 1.06 1.01 1.00 2/65 24463
/proc/meminfo: memFree=1572056/2055920 swapFree=4178508/4192956
[pid=24462] ppid=24460 vsize=456852 CPUtime=25.48
/proc/24462/stat : 24462 (Hybrid2) R 24460 24462 23992 0 -1 4194304 882 0 0 0 2548 0 0 0 25 0 1 0 1149659151 467816448 866 1992294400 134512640 135106774 4294956208 18446744073709551615 134526538 0 0 4096 0 0 0 0 17 1 0 0
/proc/24462/statm: 114213 866 56 145 0 113089 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 456852

[startup+51.1016 s]
/proc/loadavg: 1.04 1.01 1.00 2/65 24463
/proc/meminfo: memFree=1572056/2055920 swapFree=4178508/4192956
[pid=24462] ppid=24460 vsize=456852 CPUtime=51.07
/proc/24462/stat : 24462 (Hybrid2) R 24460 24462 23992 0 -1 4194304 882 0 0 0 5107 0 0 0 25 0 1 0 1149659151 467816448 866 1992294400 134512640 135106774 4294956208 18446744073709551615 134528310 0 0 4096 0 0 0 0 17 1 0 0
/proc/24462/statm: 114213 866 56 145 0 113089 0
Current children cumulated CPU time (s) 51.07
Current children cumulated vsize (KiB) 456852

[startup+102.305 s]
/proc/loadavg: 1.01 1.01 1.00 2/65 24463
/proc/meminfo: memFree=1572120/2055920 swapFree=4178508/4192956
[pid=24462] ppid=24460 vsize=456852 CPUtime=102.26
/proc/24462/stat : 24462 (Hybrid2) R 24460 24462 23992 0 -1 4194304 882 0 0 0 10226 0 0 0 25 0 1 0 1149659151 467816448 866 1992294400 134512640 135106774 4294956208 18446744073709551615 134526846 0 0 4096 0 0 0 0 17 1 0 0
/proc/24462/statm: 114213 866 56 145 0 113089 0
Current children cumulated CPU time (s) 102.26
Current children cumulated vsize (KiB) 456852

[startup+162.301 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 24463
/proc/meminfo: memFree=1572120/2055920 swapFree=4178508/4192956
[pid=24462] ppid=24460 vsize=456852 CPUtime=162.24
/proc/24462/stat : 24462 (Hybrid2) R 24460 24462 23992 0 -1 4194304 882 0 0 0 16224 0 0 0 25 0 1 0 1149659151 467816448 866 1992294400 134512640 135106774 4294956208 18446744073709551615 134526846 0 0 4096 0 0 0 0 17 1 0 0
/proc/24462/statm: 114213 866 56 145 0 113089 0
Current children cumulated CPU time (s) 162.24
Current children cumulated vsize (KiB) 456852

[startup+222.301 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 24463
/proc/meminfo: memFree=1572120/2055920 swapFree=4178508/4192956
[pid=24462] ppid=24460 vsize=456852 CPUtime=222.23
/proc/24462/stat : 24462 (Hybrid2) R 24460 24462 23992 0 -1 4194304 882 0 0 0 22222 1 0 0 25 0 1 0 1149659151 467816448 866 1992294400 134512640 135106774 4294956208 18446744073709551615 134526839 0 0 4096 0 0 0 0 17 1 0 0
/proc/24462/statm: 114213 866 56 145 0 113089 0
Current children cumulated CPU time (s) 222.23
Current children cumulated vsize (KiB) 456852

[startup+282.302 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 24463
/proc/meminfo: memFree=1572120/2055920 swapFree=4178508/4192956
[pid=24462] ppid=24460 vsize=456852 CPUtime=282.22
/proc/24462/stat : 24462 (Hybrid2) R 24460 24462 23992 0 -1 4194304 882 0 0 0 28221 1 0 0 25 0 1 0 1149659151 467816448 866 1992294400 134512640 135106774 4294956208 18446744073709551615 134527239 0 0 4096 0 0 0 0 17 1 0 0
/proc/24462/statm: 114213 866 56 145 0 113089 0
Current children cumulated CPU time (s) 282.22
Current children cumulated vsize (KiB) 456852

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

[startup+283.101 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 24463
/proc/meminfo: memFree=1572120/2055920 swapFree=4178508/4192956
[pid=24462] ppid=24460 vsize=456852 CPUtime=283.01
/proc/24462/stat : 24462 (Hybrid2) R 24460 24462 23992 0 -1 4194304 882 0 0 0 28300 1 0 0 25 0 1 0 1149659151 467816448 866 1992294400 134512640 135106774 4294956208 18446744073709551615 134527279 0 0 4096 0 0 0 0 17 1 0 0
/proc/24462/statm: 114213 866 56 145 0 113089 0
Current children cumulated CPU time (s) 283.01
Current children cumulated vsize (KiB) 456852

[startup+283.501 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 24463
/proc/meminfo: memFree=1572120/2055920 swapFree=4178508/4192956
[pid=24462] ppid=24460 vsize=456852 CPUtime=283.41
/proc/24462/stat : 24462 (Hybrid2) R 24460 24462 23992 0 -1 4194304 882 0 0 0 28340 1 0 0 25 0 1 0 1149659151 467816448 866 1992294400 134512640 135106774 4294956208 18446744073709551615 134528519 0 0 4096 0 0 0 0 17 1 0 0
/proc/24462/statm: 114213 866 56 145 0 113089 0
Current children cumulated CPU time (s) 283.41
Current children cumulated vsize (KiB) 456852

[startup+283.901 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 24463
/proc/meminfo: memFree=1572120/2055920 swapFree=4178508/4192956
[pid=24462] ppid=24460 vsize=456852 CPUtime=283.81
/proc/24462/stat : 24462 (Hybrid2) R 24460 24462 23992 0 -1 4194304 882 0 0 0 28380 1 0 0 25 0 1 0 1149659151 467816448 866 1992294400 134512640 135106774 4294956208 18446744073709551615 134526846 0 0 4096 0 0 0 0 17 1 0 0
/proc/24462/statm: 114213 866 56 145 0 113089 0
Current children cumulated CPU time (s) 283.81
Current children cumulated vsize (KiB) 456852

[startup+284.001 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 24463
/proc/meminfo: memFree=1572120/2055920 swapFree=4178508/4192956
[pid=24462] ppid=24460 vsize=456852 CPUtime=283.91
/proc/24462/stat : 24462 (Hybrid2) R 24460 24462 23992 0 -1 4194304 882 0 0 0 28390 1 0 0 25 0 1 0 1149659151 467816448 866 1992294400 134512640 135106774 4294956208 18446744073709551615 134527174 0 0 4096 0 0 0 0 17 1 0 0
/proc/24462/statm: 114213 866 56 145 0 113089 0
Current children cumulated CPU time (s) 283.91
Current children cumulated vsize (KiB) 456852

Child status: 10
Real time (s): 284.07
CPU time (s): 283.992
CPU user time (s): 283.979
CPU system time (s): 0.012998
CPU usage (%): 99.9723
Max. virtual memory (cumulated for all children) (KiB): 456852

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 283.979
system time used= 0.012998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 901
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= 249

runsolver used 0.224965 second user time and 0.618905 second system time

The end

Launcher Data 

Begin job on node62 at 2009-04-03 16:46:08
IDJOB=1562014
IDBENCH=70926
IDSOLVER=530
FILE ID=node62/1562014-1238769968
PBS_JOBID= 9085508
Free space on /tmp= 66552 MiB

SOLVER NAME= Hybrid2 2009-03-22
BENCH NAME= SAT09/APPLICATIONS/edgematching/all/em_7_3_6_all.cnf
COMMAND LINE= HOME/Hybrid2 BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1562014-1238769968/watcher-1562014-1238769968 -o /tmp/evaluation-result-1562014-1238769968/solver-1562014-1238769968 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/Hybrid2 HOME/instance-1562014-1238769968.cnf 484913582

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

MD5SUM BENCH= 3264a66e18d5550049c950d1156ee464
RANDOM SEED=484913582

node62.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		: 3000.232
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:       1576240 kB
Buffers:         91872 kB
Cached:         287792 kB
SwapCached:       7732 kB
Active:         106236 kB
Inactive:       282908 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1576240 kB
SwapTotal:     4192956 kB
SwapFree:      4178508 kB
Dirty:            5020 kB
Writeback:           0 kB
Mapped:          15040 kB
Slab:            76188 kB
Committed_AS:  2971356 kB
PageTables:       1460 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264960 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66548 MiB
End job on node62 at 2009-04-03 16:50:52