Trace number 1562003

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
iPAWS 2009-03-22SAT 75.4635 75.4846

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 

75.37/75.48	s SATISFIABLE
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75.37/75.48	c input file instance-1562003-1238769934.cnf, flips 21274748

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-1562003-1238769934/watcher-1562003-1238769934 -o /tmp/evaluation-result-1562003-1238769934/solver-1562003-1238769934 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/iPAWS HOME/instance-1562003-1238769934.cnf 261761073 

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: 0.85 0.97 1.00 3/65 19961
/proc/meminfo: memFree=1812960/2055920 swapFree=4178736/4192956
[pid=19961] ppid=19959 vsize=335916 CPUtime=0
/proc/19961/stat : 19961 (iPAWS) R 19959 19961 19924 0 -1 4194304 486 0 0 0 0 0 0 0 18 0 1 0 503327274 343977984 470 1992294400 134512640 135114423 4294956224 18446744073709551615 134533972 0 0 4096 0 0 0 0 17 1 0 0
/proc/19961/statm: 83979 470 54 146 0 83831 0

[startup+0.0122491 s]
/proc/loadavg: 0.85 0.97 1.00 3/65 19961
/proc/meminfo: memFree=1812960/2055920 swapFree=4178736/4192956
[pid=19961] ppid=19959 vsize=335916 CPUtime=0
/proc/19961/stat : 19961 (iPAWS) R 19959 19961 19924 0 -1 4194304 514 0 0 0 0 0 0 0 18 0 1 0 503327274 343977984 498 1992294400 134512640 135114423 4294956224 18446744073709551615 134533972 0 0 4096 0 0 0 0 17 1 0 0
/proc/19961/statm: 83979 498 54 146 0 83831 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 335916

[startup+0.101258 s]
/proc/loadavg: 0.85 0.97 1.00 3/65 19961
/proc/meminfo: memFree=1812960/2055920 swapFree=4178736/4192956
[pid=19961] ppid=19959 vsize=335916 CPUtime=0.09
/proc/19961/stat : 19961 (iPAWS) R 19959 19961 19924 0 -1 4194304 1434 0 0 0 9 0 0 0 18 0 1 0 503327274 343977984 1418 1992294400 134512640 135114423 4294956224 18446744073709551615 134516667 0 0 4096 0 0 0 0 17 1 0 0
/proc/19961/statm: 83979 1418 58 146 0 83831 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 335916

[startup+0.30128 s]
/proc/loadavg: 0.85 0.97 1.00 3/65 19961
/proc/meminfo: memFree=1812960/2055920 swapFree=4178736/4192956
[pid=19961] ppid=19959 vsize=335916 CPUtime=0.29
/proc/19961/stat : 19961 (iPAWS) R 19959 19961 19924 0 -1 4194304 1434 0 0 0 29 0 0 0 19 0 1 0 503327274 343977984 1418 1992294400 134512640 135114423 4294956224 18446744073709551615 134517420 0 0 4096 0 0 0 0 17 1 0 0
/proc/19961/statm: 83979 1418 58 146 0 83831 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 335916

[startup+0.701326 s]
/proc/loadavg: 0.85 0.97 1.00 3/65 19961
/proc/meminfo: memFree=1812960/2055920 swapFree=4178736/4192956
[pid=19961] ppid=19959 vsize=335916 CPUtime=0.69
/proc/19961/stat : 19961 (iPAWS) R 19959 19961 19924 0 -1 4194304 1435 0 0 0 69 0 0 0 22 0 1 0 503327274 343977984 1419 1992294400 134512640 135114423 4294956224 18446744073709551615 134517054 0 0 4096 0 0 0 0 17 1 0 0
/proc/19961/statm: 83979 1419 58 146 0 83831 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 335916

[startup+1.50142 s]
/proc/loadavg: 0.85 0.97 1.00 2/66 19962
/proc/meminfo: memFree=1807448/2055920 swapFree=4178736/4192956
[pid=19961] ppid=19959 vsize=335916 CPUtime=1.49
/proc/19961/stat : 19961 (iPAWS) R 19959 19961 19924 0 -1 4194304 1435 0 0 0 149 0 0 0 25 0 1 0 503327274 343977984 1419 1992294400 134512640 135114423 4294956224 18446744073709551615 134515649 0 0 4096 0 0 0 0 17 1 0 0
/proc/19961/statm: 83979 1419 58 146 0 83831 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 335916

[startup+3.1016 s]
/proc/loadavg: 0.85 0.97 1.00 2/66 19962
/proc/meminfo: memFree=1807256/2055920 swapFree=4178736/4192956
[pid=19961] ppid=19959 vsize=335916 CPUtime=3.09
/proc/19961/stat : 19961 (iPAWS) R 19959 19961 19924 0 -1 4194304 1435 0 0 0 309 0 0 0 25 0 1 0 503327274 343977984 1419 1992294400 134512640 135114423 4294956224 18446744073709551615 134547179 0 0 4096 0 0 0 0 17 1 0 0
/proc/19961/statm: 83979 1419 58 146 0 83831 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 335916

[startup+6.30196 s]
/proc/loadavg: 0.86 0.97 1.00 2/66 19962
/proc/meminfo: memFree=1807192/2055920 swapFree=4178736/4192956
[pid=19961] ppid=19959 vsize=335916 CPUtime=6.29
/proc/19961/stat : 19961 (iPAWS) R 19959 19961 19924 0 -1 4194304 1435 0 0 0 629 0 0 0 25 0 1 0 503327274 343977984 1419 1992294400 134512640 135114423 4294956224 18446744073709551615 134516618 0 0 4096 0 0 0 0 17 1 0 0
/proc/19961/statm: 83979 1419 58 146 0 83831 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 335916

[startup+12.7017 s]
/proc/loadavg: 0.87 0.97 1.00 2/66 19962
/proc/meminfo: memFree=1807136/2055920 swapFree=4178736/4192956
[pid=19961] ppid=19959 vsize=335916 CPUtime=12.68
/proc/19961/stat : 19961 (iPAWS) R 19959 19961 19924 0 -1 4194304 1435 0 0 0 1268 0 0 0 25 0 1 0 503327274 343977984 1419 1992294400 134512640 135114423 4294956224 18446744073709551615 134515717 0 0 4096 0 0 0 0 17 1 0 0
/proc/19961/statm: 83979 1419 58 146 0 83831 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 335916

[startup+25.5011 s]
/proc/loadavg: 0.90 0.97 1.00 2/66 19962
/proc/meminfo: memFree=1807136/2055920 swapFree=4178736/4192956
[pid=19961] ppid=19959 vsize=335916 CPUtime=25.49
/proc/19961/stat : 19961 (iPAWS) R 19959 19961 19924 0 -1 4194304 1435 0 0 0 2548 1 0 0 25 0 1 0 503327274 343977984 1419 1992294400 134512640 135114423 4294956224 18446744073709551615 134546994 0 0 4096 0 0 0 0 17 1 0 0
/proc/19961/statm: 83979 1419 58 146 0 83831 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 335916

[startup+51.101 s]
/proc/loadavg: 0.93 0.97 1.00 2/66 19962
/proc/meminfo: memFree=1807200/2055920 swapFree=4178736/4192956
[pid=19961] ppid=19959 vsize=335916 CPUtime=51.08
/proc/19961/stat : 19961 (iPAWS) R 19959 19961 19924 0 -1 4194304 1435 0 0 0 5107 1 0 0 25 0 1 0 503327274 343977984 1419 1992294400 134512640 135114423 4294956224 18446744073709551615 134547220 0 0 4096 0 0 0 0 17 1 0 0
/proc/19961/statm: 83979 1419 58 146 0 83831 0
Current children cumulated CPU time (s) 51.08
Current children cumulated vsize (KiB) 335916

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

[startup+63.9015 s]
/proc/loadavg: 0.95 0.97 1.00 2/66 19962
/proc/meminfo: memFree=1807200/2055920 swapFree=4178736/4192956
[pid=19961] ppid=19959 vsize=335916 CPUtime=63.88
/proc/19961/stat : 19961 (iPAWS) R 19959 19961 19924 0 -1 4194304 1435 0 0 0 6387 1 0 0 25 0 1 0 503327274 343977984 1419 1992294400 134512640 135114423 4294956224 18446744073709551615 134546190 0 0 4096 0 0 0 0 17 1 0 0
/proc/19961/statm: 83979 1419 58 146 0 83831 0
Current children cumulated CPU time (s) 63.88
Current children cumulated vsize (KiB) 335916

[startup+70.3012 s]
/proc/loadavg: 0.95 0.97 1.00 3/66 19962
/proc/meminfo: memFree=1807200/2055920 swapFree=4178736/4192956
[pid=19961] ppid=19959 vsize=335916 CPUtime=70.28
/proc/19961/stat : 19961 (iPAWS) R 19959 19961 19924 0 -1 4194304 1435 0 0 0 7027 1 0 0 25 0 1 0 503327274 343977984 1419 1992294400 134512640 135114423 4294956224 18446744073709551615 134515622 0 0 4096 0 0 0 0 17 1 0 0
/proc/19961/statm: 83979 1419 58 146 0 83831 0
Current children cumulated CPU time (s) 70.28
Current children cumulated vsize (KiB) 335916

[startup+73.5016 s]
/proc/loadavg: 0.95 0.97 1.00 2/66 19962
/proc/meminfo: memFree=1807200/2055920 swapFree=4178736/4192956
[pid=19961] ppid=19959 vsize=335916 CPUtime=73.47
/proc/19961/stat : 19961 (iPAWS) R 19959 19961 19924 0 -1 4194304 1435 0 0 0 7346 1 0 0 25 0 1 0 503327274 343977984 1419 1992294400 134512640 135114423 4294956224 18446744073709551615 134514774 0 0 4096 0 0 0 0 17 1 0 0
/proc/19961/statm: 83979 1419 58 146 0 83831 0
Current children cumulated CPU time (s) 73.47
Current children cumulated vsize (KiB) 335916

[startup+74.3017 s]
/proc/loadavg: 0.95 0.97 1.00 2/66 19962
/proc/meminfo: memFree=1807200/2055920 swapFree=4178736/4192956
[pid=19961] ppid=19959 vsize=335916 CPUtime=74.27
/proc/19961/stat : 19961 (iPAWS) R 19959 19961 19924 0 -1 4194304 1435 0 0 0 7426 1 0 0 25 0 1 0 503327274 343977984 1419 1992294400 134512640 135114423 4294956224 18446744073709551615 134516646 0 0 4096 0 0 0 0 17 1 0 0
/proc/19961/statm: 83979 1419 58 146 0 83831 0
Current children cumulated CPU time (s) 74.27
Current children cumulated vsize (KiB) 335916

[startup+75.1018 s]
/proc/loadavg: 0.95 0.97 1.00 2/66 19962
/proc/meminfo: memFree=1807200/2055920 swapFree=4178736/4192956
[pid=19961] ppid=19959 vsize=335916 CPUtime=75.07
/proc/19961/stat : 19961 (iPAWS) R 19959 19961 19924 0 -1 4194304 1435 0 0 0 7506 1 0 0 25 0 1 0 503327274 343977984 1419 1992294400 134512640 135114423 4294956224 18446744073709551615 134517054 0 0 4096 0 0 0 0 17 1 0 0
/proc/19961/statm: 83979 1419 58 146 0 83831 0
Current children cumulated CPU time (s) 75.07
Current children cumulated vsize (KiB) 335916

[startup+75.3018 s]
/proc/loadavg: 0.95 0.97 1.00 2/66 19962
/proc/meminfo: memFree=1807200/2055920 swapFree=4178736/4192956
[pid=19961] ppid=19959 vsize=335916 CPUtime=75.27
/proc/19961/stat : 19961 (iPAWS) R 19959 19961 19924 0 -1 4194304 1435 0 0 0 7526 1 0 0 25 0 1 0 503327274 343977984 1419 1992294400 134512640 135114423 4294956224 18446744073709551615 134554741 0 0 4096 0 0 0 0 17 1 0 0
/proc/19961/statm: 83979 1419 58 146 0 83831 0
Current children cumulated CPU time (s) 75.27
Current children cumulated vsize (KiB) 335916

[startup+75.4018 s]
/proc/loadavg: 0.95 0.97 1.00 2/66 19962
/proc/meminfo: memFree=1807200/2055920 swapFree=4178736/4192956
[pid=19961] ppid=19959 vsize=335916 CPUtime=75.37
/proc/19961/stat : 19961 (iPAWS) R 19959 19961 19924 0 -1 4194304 1435 0 0 0 7536 1 0 0 25 0 1 0 503327274 343977984 1419 1992294400 134512640 135114423 4294956224 18446744073709551615 134546177 0 0 4096 0 0 0 0 17 1 0 0
/proc/19961/statm: 83979 1419 58 146 0 83831 0
Current children cumulated CPU time (s) 75.37
Current children cumulated vsize (KiB) 335916

Child status: 0
Real time (s): 75.4846
CPU time (s): 75.4635
CPU user time (s): 75.4495
CPU system time (s): 0.013997
CPU usage (%): 99.972
Max. virtual memory (cumulated for all children) (KiB): 335916

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 75.4495
system time used= 0.013997
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1443
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= 4
involuntary context switches= 72

runsolver used 0.102984 second user time and 0.171973 second system time

The end

Launcher Data 

Begin job on node32 at 2009-04-03 16:45:34
IDJOB=1562003
IDBENCH=70926
IDSOLVER=516
FILE ID=node32/1562003-1238769934
PBS_JOBID= 9085557
Free space on /tmp= 66552 MiB

SOLVER NAME= iPAWS 2009-03-22
BENCH NAME= SAT09/APPLICATIONS/edgematching/all/em_7_3_6_all.cnf
COMMAND LINE= HOME/iPAWS BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1562003-1238769934/watcher-1562003-1238769934 -o /tmp/evaluation-result-1562003-1238769934/solver-1562003-1238769934 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/iPAWS HOME/instance-1562003-1238769934.cnf 261761073

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

MD5SUM BENCH= 3264a66e18d5550049c950d1156ee464
RANDOM SEED=261761073

node32.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:       1813440 kB
Buffers:         33024 kB
Cached:         122356 kB
SwapCached:       7344 kB
Active:          36532 kB
Inactive:       127536 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1813440 kB
SwapTotal:     4192956 kB
SwapFree:      4178736 kB
Dirty:            1308 kB
Writeback:           0 kB
Mapped:          14392 kB
Slab:            64120 kB
Committed_AS:  1872488 kB
PageTables:       1488 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= 66552 MiB
End job on node32 at 2009-04-03 16:46:50