Trace number 1561806

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 211.648 211.704

General information on the benchmark

NameCRAFTED/
edgematching/all/em_8_4_5_all.cnf
MD5SUMbcbe82a00b39f246e1dc1a85b2c8371e
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark2.5996
Satisfiable
(Un)Satisfiability was proved
Number of variables2420
Number of clauses62900
Sum of the clauses size155908
Maximum clause length36
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 243724
Number of clauses of size 313968
Number of clauses of size 42628
Number of clauses of size 52460
Number of clauses of size over 5120

Solver Data 

211.63/211.70	c try 1 flip j 47032732
211.63/211.70	c A solution is found
211.63/211.70	s SATISFIABLE
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211.63/211.70	v 0 
211.63/211.70	c Done (mycputime is 211.230 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-1561806-1238768886/watcher-1561806-1238768886 -o /tmp/evaluation-result-1561806-1238768886/solver-1561806-1238768886 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/Hybrid2 HOME/instance-1561806-1238768886.cnf 1614302379 

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: 0.98 0.98 0.99 3/64 1760
/proc/meminfo: memFree=1832888/2055920 swapFree=4177944/4192956
[pid=1760] ppid=1758 vsize=450944 CPUtime=0
/proc/1760/stat : 1760 (Hybrid2) R 1758 1760 1635 0 -1 4194304 113 0 0 0 0 0 0 0 18 0 1 0 1149553853 461766656 98 1992294400 134512640 135106774 4294956224 18446744073709551615 134612774 0 0 4096 0 0 0 0 17 1 0 0
/proc/1760/statm: 112736 98 53 145 0 111612 0

[startup+0.05096 s]
/proc/loadavg: 0.98 0.98 0.99 3/64 1760
/proc/meminfo: memFree=1832888/2055920 swapFree=4177944/4192956
[pid=1760] ppid=1758 vsize=451736 CPUtime=0.04
/proc/1760/stat : 1760 (Hybrid2) R 1758 1760 1635 0 -1 4194304 433 0 0 0 4 0 0 0 18 0 1 0 1149553853 462577664 418 1992294400 134512640 135106774 4294956224 18446744073709551615 134520611 0 0 4096 0 0 0 0 17 1 0 0
/proc/1760/statm: 112934 418 53 145 0 111810 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 451736

[startup+0.101963 s]
/proc/loadavg: 0.98 0.98 0.99 3/64 1760
/proc/meminfo: memFree=1832888/2055920 swapFree=4177944/4192956
[pid=1760] ppid=1758 vsize=454372 CPUtime=0.09
/proc/1760/stat : 1760 (Hybrid2) R 1758 1760 1635 0 -1 4194304 1231 0 0 0 9 0 0 0 18 0 1 0 1149553853 465276928 1215 1992294400 134512640 135106774 4294956224 18446744073709551615 134523923 0 0 4096 0 0 0 0 17 1 0 0
/proc/1760/statm: 113593 1215 53 145 0 112469 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 454372

[startup+0.301975 s]
/proc/loadavg: 0.98 0.98 0.99 3/64 1760
/proc/meminfo: memFree=1832888/2055920 swapFree=4177944/4192956
[pid=1760] ppid=1758 vsize=454372 CPUtime=0.29
/proc/1760/stat : 1760 (Hybrid2) R 1758 1760 1635 0 -1 4194304 1231 0 0 0 29 0 0 0 19 0 1 0 1149553853 465276928 1215 1992294400 134512640 135106774 4294956224 18446744073709551615 134523990 0 0 4096 0 0 0 0 17 1 0 0
/proc/1760/statm: 113593 1215 53 145 0 112469 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 454372

[startup+0.702 s]
/proc/loadavg: 0.98 0.98 0.99 3/64 1760
/proc/meminfo: memFree=1832888/2055920 swapFree=4177944/4192956
[pid=1760] ppid=1758 vsize=459064 CPUtime=0.69
/proc/1760/stat : 1760 (Hybrid2) R 1758 1760 1635 0 -1 4194304 1678 0 0 0 69 0 0 0 22 0 1 0 1149553853 470081536 1662 1992294400 134512640 135106774 4294956224 18446744073709551615 134528512 0 0 4096 0 0 0 0 17 1 0 0
/proc/1760/statm: 114766 1662 56 145 0 113642 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 459064

[startup+1.50105 s]
/proc/loadavg: 0.98 0.98 0.99 2/65 1761
/proc/meminfo: memFree=1826224/2055920 swapFree=4177944/4192956
[pid=1760] ppid=1758 vsize=459064 CPUtime=1.49
/proc/1760/stat : 1760 (Hybrid2) R 1758 1760 1635 0 -1 4194304 1678 0 0 0 149 0 0 0 25 0 1 0 1149553853 470081536 1662 1992294400 134512640 135106774 4294956224 18446744073709551615 134518384 0 0 4096 0 0 0 0 17 1 0 0
/proc/1760/statm: 114766 1662 56 145 0 113642 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 459064

[startup+3.10115 s]
/proc/loadavg: 0.98 0.98 0.99 2/65 1761
/proc/meminfo: memFree=1826096/2055920 swapFree=4177944/4192956
[pid=1760] ppid=1758 vsize=459064 CPUtime=3.09
/proc/1760/stat : 1760 (Hybrid2) R 1758 1760 1635 0 -1 4194304 1678 0 0 0 309 0 0 0 25 0 1 0 1149553853 470081536 1662 1992294400 134512640 135106774 4294956224 18446744073709551615 134526846 0 0 4096 0 0 0 0 17 1 0 0
/proc/1760/statm: 114766 1662 56 145 0 113642 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 459064

[startup+6.30135 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 1761
/proc/meminfo: memFree=1825968/2055920 swapFree=4177944/4192956
[pid=1760] ppid=1758 vsize=459064 CPUtime=6.29
/proc/1760/stat : 1760 (Hybrid2) R 1758 1760 1635 0 -1 4194304 1678 0 0 0 629 0 0 0 25 0 1 0 1149553853 470081536 1662 1992294400 134512640 135106774 4294956224 18446744073709551615 134528436 0 0 4096 0 0 0 0 17 1 0 0
/proc/1760/statm: 114766 1662 56 145 0 113642 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 459064

[startup+12.7028 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 1761
/proc/meminfo: memFree=1825968/2055920 swapFree=4177944/4192956
[pid=1760] ppid=1758 vsize=459064 CPUtime=12.68
/proc/1760/stat : 1760 (Hybrid2) R 1758 1760 1635 0 -1 4194304 1678 0 0 0 1268 0 0 0 25 0 1 0 1149553853 470081536 1662 1992294400 134512640 135106774 4294956224 18446744073709551615 134528303 0 0 4096 0 0 0 0 17 1 0 0
/proc/1760/statm: 114766 1662 56 145 0 113642 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 459064

[startup+25.5015 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 1761
/proc/meminfo: memFree=1825968/2055920 swapFree=4177944/4192956
[pid=1760] ppid=1758 vsize=459064 CPUtime=25.48
/proc/1760/stat : 1760 (Hybrid2) R 1758 1760 1635 0 -1 4194304 1678 0 0 0 2548 0 0 0 25 0 1 0 1149553853 470081536 1662 1992294400 134512640 135106774 4294956224 18446744073709551615 134526846 0 0 4096 0 0 0 0 17 1 0 0
/proc/1760/statm: 114766 1662 56 145 0 113642 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 459064

[startup+51.1011 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 1761
/proc/meminfo: memFree=1826032/2055920 swapFree=4177944/4192956
[pid=1760] ppid=1758 vsize=459064 CPUtime=51.07
/proc/1760/stat : 1760 (Hybrid2) R 1758 1760 1635 0 -1 4194304 1678 0 0 0 5107 0 0 0 25 0 1 0 1149553853 470081536 1662 1992294400 134512640 135106774 4294956224 18446744073709551615 134528412 0 0 4096 0 0 0 0 17 1 0 0
/proc/1760/statm: 114766 1662 56 145 0 113642 0
Current children cumulated CPU time (s) 51.07
Current children cumulated vsize (KiB) 459064

[startup+102.305 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 1761
/proc/meminfo: memFree=1826032/2055920 swapFree=4177944/4192956
[pid=1760] ppid=1758 vsize=459064 CPUtime=102.27
/proc/1760/stat : 1760 (Hybrid2) R 1758 1760 1635 0 -1 4194304 1678 0 0 0 10226 1 0 0 25 0 1 0 1149553853 470081536 1662 1992294400 134512640 135106774 4294956224 18446744073709551615 134528310 0 0 4096 0 0 0 0 17 1 0 0
/proc/1760/statm: 114766 1662 56 145 0 113642 0
Current children cumulated CPU time (s) 102.27
Current children cumulated vsize (KiB) 459064

[startup+162.301 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 1761
/proc/meminfo: memFree=1825968/2055920 swapFree=4177944/4192956
[pid=1760] ppid=1758 vsize=459064 CPUtime=162.25
/proc/1760/stat : 1760 (Hybrid2) R 1758 1760 1635 0 -1 4194304 1678 0 0 0 16224 1 0 0 25 0 1 0 1149553853 470081536 1662 1992294400 134512640 135106774 4294956224 18446744073709551615 134566438 0 0 4096 0 0 0 0 17 1 0 0
/proc/1760/statm: 114766 1662 56 145 0 113642 0
Current children cumulated CPU time (s) 162.25
Current children cumulated vsize (KiB) 459064

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

[startup+179.101 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 1761
/proc/meminfo: memFree=1825968/2055920 swapFree=4177944/4192956
[pid=1760] ppid=1758 vsize=459064 CPUtime=179.04
/proc/1760/stat : 1760 (Hybrid2) R 1758 1760 1635 0 -1 4194304 1678 0 0 0 17903 1 0 0 25 0 1 0 1149553853 470081536 1662 1992294400 134512640 135106774 4294956224 18446744073709551615 134527161 0 0 4096 0 0 0 0 17 1 0 0
/proc/1760/statm: 114766 1662 56 145 0 113642 0
Current children cumulated CPU time (s) 179.04
Current children cumulated vsize (KiB) 459064

[startup+191.903 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 1761
/proc/meminfo: memFree=1825968/2055920 swapFree=4177944/4192956
[pid=1760] ppid=1758 vsize=459064 CPUtime=191.84
/proc/1760/stat : 1760 (Hybrid2) R 1758 1760 1635 0 -1 4194304 1678 0 0 0 19183 1 0 0 25 0 1 0 1149553853 470081536 1662 1992294400 134512640 135106774 4294956224 18446744073709551615 134527279 0 0 4096 0 0 0 0 17 1 0 0
/proc/1760/statm: 114766 1662 56 145 0 113642 0
Current children cumulated CPU time (s) 191.84
Current children cumulated vsize (KiB) 459064

[startup+204.702 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 1761
/proc/meminfo: memFree=1825968/2055920 swapFree=4177944/4192956
[pid=1760] ppid=1758 vsize=459064 CPUtime=204.64
/proc/1760/stat : 1760 (Hybrid2) R 1758 1760 1635 0 -1 4194304 1678 0 0 0 20463 1 0 0 25 0 1 0 1149553853 470081536 1662 1992294400 134512640 135106774 4294956224 18446744073709551615 134529208 0 0 4096 0 0 0 0 17 1 0 0
/proc/1760/statm: 114766 1662 56 145 0 113642 0
Current children cumulated CPU time (s) 204.64
Current children cumulated vsize (KiB) 459064

[startup+207.906 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 1761
/proc/meminfo: memFree=1825968/2055920 swapFree=4177944/4192956
[pid=1760] ppid=1758 vsize=459064 CPUtime=207.84
/proc/1760/stat : 1760 (Hybrid2) R 1758 1760 1635 0 -1 4194304 1678 0 0 0 20783 1 0 0 25 0 1 0 1149553853 470081536 1662 1992294400 134512640 135106774 4294956224 18446744073709551615 134526498 0 0 4096 0 0 0 0 17 1 0 0
/proc/1760/statm: 114766 1662 56 145 0 113642 0
Current children cumulated CPU time (s) 207.84
Current children cumulated vsize (KiB) 459064

[startup+209.502 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 1761
/proc/meminfo: memFree=1825968/2055920 swapFree=4177944/4192956
[pid=1760] ppid=1758 vsize=459064 CPUtime=209.44
/proc/1760/stat : 1760 (Hybrid2) R 1758 1760 1635 0 -1 4194304 1678 0 0 0 20943 1 0 0 25 0 1 0 1149553853 470081536 1662 1992294400 134512640 135106774 4294956224 18446744073709551615 134565667 0 0 4096 0 0 0 0 17 1 0 0
/proc/1760/statm: 114766 1662 56 145 0 113642 0
Current children cumulated CPU time (s) 209.44
Current children cumulated vsize (KiB) 459064

[startup+211.101 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 1761
/proc/meminfo: memFree=1825968/2055920 swapFree=4177944/4192956
[pid=1760] ppid=1758 vsize=459064 CPUtime=211.04
/proc/1760/stat : 1760 (Hybrid2) R 1758 1760 1635 0 -1 4194304 1678 0 0 0 21103 1 0 0 25 0 1 0 1149553853 470081536 1662 1992294400 134512640 135106774 4294956224 18446744073709551615 134526764 0 0 4096 0 0 0 0 17 1 0 0
/proc/1760/statm: 114766 1662 56 145 0 113642 0
Current children cumulated CPU time (s) 211.04
Current children cumulated vsize (KiB) 459064

[startup+211.501 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 1761
/proc/meminfo: memFree=1825968/2055920 swapFree=4177944/4192956
[pid=1760] ppid=1758 vsize=459064 CPUtime=211.43
/proc/1760/stat : 1760 (Hybrid2) R 1758 1760 1635 0 -1 4194304 1678 0 0 0 21142 1 0 0 25 0 1 0 1149553853 470081536 1662 1992294400 134512640 135106774 4294956224 18446744073709551615 134526487 0 0 4096 0 0 0 0 17 1 0 0
/proc/1760/statm: 114766 1662 56 145 0 113642 0
Current children cumulated CPU time (s) 211.43
Current children cumulated vsize (KiB) 459064

[startup+211.701 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 1761
/proc/meminfo: memFree=1825968/2055920 swapFree=4177944/4192956
[pid=1760] ppid=1758 vsize=459068 CPUtime=211.63
/proc/1760/stat : 1760 (Hybrid2) R 1758 1760 1635 0 -1 4194304 1685 0 0 0 21162 1 0 0 25 0 1 0 1149553853 470085632 1669 1992294400 134512640 135106774 4294956224 18446744073709551615 134710357 0 0 4096 0 0 0 0 17 1 0 0
/proc/1760/statm: 114767 1669 62 145 0 113643 0
Current children cumulated CPU time (s) 211.63
Current children cumulated vsize (KiB) 459068

Child status: 10
Real time (s): 211.704
CPU time (s): 211.648
CPU user time (s): 211.631
CPU system time (s): 0.016997
CPU usage (%): 99.9737
Max. virtual memory (cumulated for all children) (KiB): 459068

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 211.631
system time used= 0.016997
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1697
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= 334

runsolver used 0.136979 second user time and 0.488925 second system time

The end

Launcher Data 

Begin job on node29 at 2009-04-03 16:28:06
IDJOB=1561806
IDBENCH=70922
IDSOLVER=530
FILE ID=node29/1561806-1238768886
PBS_JOBID= 9085537
Free space on /tmp= 66548 MiB

SOLVER NAME= Hybrid2 2009-03-22
BENCH NAME= SAT09/APPLICATIONS/edgematching/all/em_8_4_5_all.cnf
COMMAND LINE= HOME/Hybrid2 BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1561806-1238768886/watcher-1561806-1238768886 -o /tmp/evaluation-result-1561806-1238768886/solver-1561806-1238768886 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/Hybrid2 HOME/instance-1561806-1238768886.cnf 1614302379

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

MD5SUM BENCH= bcbe82a00b39f246e1dc1a85b2c8371e
RANDOM SEED=1614302379

node29.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		: 3000.234
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:       1833368 kB
Buffers:         19728 kB
Cached:         128512 kB
SwapCached:       8908 kB
Active:          20872 kB
Inactive:       137880 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1833368 kB
SwapTotal:     4192956 kB
SwapFree:      4177944 kB
Dirty:            5700 kB
Writeback:           0 kB
Mapped:          16256 kB
Slab:            49760 kB
Committed_AS:  3315304 kB
PageTables:       1476 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= 66544 MiB
End job on node29 at 2009-04-03 16:31:38