Trace number 314144

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
Mmisat 2007-02-08? (MO) 95.3385 95.3937

General information on the benchmark

Nameindustrial/anbulagan/
hard-unsat/dated-10-17-u.cnf
MD5SUM780d946576ec5746b4ea9832bb01dbc5
Bench CategoryINDUST (industrial instances)
Best result obtained on this benchmark
Best CPU time to get the best result obtained on this benchmark
Satisfiable
(Un)Satisfiability was proved
Number of variables229544
Number of clauses1070757
Sum of the clauses size2471122
Maximum clause length10
Minimum clause length1
Number of clauses of size 119156
Number of clauses of size 2831957
Number of clauses of size 3176604
Number of clauses of size 44780
Number of clauses of size 519120
Number of clauses of size over 519140

Solver Data (download as text)



Verifier Data (download as text)




ERROR: Unexpected answer ! (SATISFIABLE/UNSATISFIABLE expected)
Got answer: 



Watcher Data (download as text)




runsolver version 3.2.2 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node44/watcher-314144-1176897053 -o ROOT/results/node44/solver-314144-1176897053 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/314144-1176897053/mmisat /tmp/evaluation/314144-1176897053/instance-314144-1176897053.cnf 

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): 2400 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: 1.01 1.02 1.00 3/77 25047
/proc/meminfo: memFree=1181512/2055920 swapFree=4143528/4192956
[pid=25047] ppid=25045 vsize=2564 CPUtime=0
/proc/25047/stat : 25047 (mmisat) R 25045 25047 24317 0 -1 4194304 499 0 0 0 0 0 0 0 18 0 1 0 137616998 2625536 482 18446744073709551615 134512640 135391789 4294956672 18446744073709551615 134522779 0 0 4096 0 0 0 0 17 1 0 0
/proc/25047/statm: 641 488 80 214 0 423 0

[startup+0.0344429 s]
/proc/loadavg: 1.01 1.02 1.00 3/77 25047
/proc/meminfo: memFree=1181512/2055920 swapFree=4143528/4192956
[pid=25047] ppid=25045 vsize=12828 CPUtime=0.02
/proc/25047/stat : 25047 (mmisat) R 25045 25047 24317 0 -1 4194304 3050 0 0 0 1 1 0 0 18 0 1 0 137616998 13135872 3034 18446744073709551615 134512640 135391789 4294956672 18446744073709551615 134522779 0 0 4096 0 0 0 0 17 1 0 0
/proc/25047/statm: 3207 3036 80 214 0 2989 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 12828

[startup+0.101447 s]
/proc/loadavg: 1.01 1.02 1.00 3/77 25047
/proc/meminfo: memFree=1181512/2055920 swapFree=4143528/4192956
[pid=25047] ppid=25045 vsize=33860 CPUtime=0.09
/proc/25047/stat : 25047 (mmisat) R 25045 25047 24317 0 -1 4194304 8292 0 0 0 7 2 0 0 18 0 1 0 137616998 34672640 8275 18446744073709551615 134512640 135391789 4294956672 18446744073709551615 134522779 0 0 4096 0 0 0 0 17 1 0 0
/proc/25047/statm: 8465 8281 80 214 0 8247 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 33860

[startup+0.301466 s]
/proc/loadavg: 1.01 1.02 1.00 3/77 25047
/proc/meminfo: memFree=1181512/2055920 swapFree=4143528/4192956
[pid=25047] ppid=25045 vsize=86012 CPUtime=0.29
/proc/25047/stat : 25047 (mmisat) R 25045 25047 24317 0 -1 4194304 21345 0 0 0 22 7 0 0 19 0 1 0 137616998 88076288 21328 18446744073709551615 134512640 135391789 4294956672 18446744073709551615 134522779 0 0 4096 0 0 0 0 17 1 0 0
/proc/25047/statm: 21503 21332 80 214 0 21285 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 86012

[startup+0.701507 s]
/proc/loadavg: 1.01 1.02 1.00 3/77 25047
/proc/meminfo: memFree=1181512/2055920 swapFree=4143528/4192956
[pid=25047] ppid=25045 vsize=167780 CPUtime=0.69
/proc/25047/stat : 25047 (mmisat) R 25045 25047 24317 0 -1 4194304 41807 0 0 0 52 17 0 0 23 0 1 0 137616998 171806720 41790 18446744073709551615 134512640 135391789 4294956672 18446744073709551615 134522779 0 0 4096 0 0 0 0 17 1 0 0
/proc/25047/statm: 41945 41795 80 214 0 41727 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 167780

[startup+1.50159 s]
/proc/loadavg: 1.00 1.02 1.00 2/78 25048
/proc/meminfo: memFree=963584/2055920 swapFree=4143528/4192956
[pid=25047] ppid=25045 vsize=290932 CPUtime=1.49
/proc/25047/stat : 25047 (mmisat) R 25045 25047 24317 0 -1 4194304 72579 0 0 0 120 29 0 0 25 0 1 0 137616998 297914368 72562 18446744073709551615 134512640 135391789 4294956672 18446744073709551615 134523161 0 0 4096 0 0 0 0 17 1 0 0
/proc/25047/statm: 72733 72562 80 214 0 72515 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 290932

[startup+3.10176 s]
/proc/loadavg: 1.00 1.02 1.00 2/78 25048
/proc/meminfo: memFree=816128/2055920 swapFree=4143528/4192956
[pid=25047] ppid=25045 vsize=469268 CPUtime=3.09
/proc/25047/stat : 25047 (mmisat) R 25045 25047 24317 0 -1 4194304 117178 0 0 0 262 47 0 0 25 0 1 0 137616998 480530432 117161 18446744073709551615 134512640 135391789 4294956672 18446744073709551615 134522779 0 0 4096 0 0 0 0 17 1 0 0
/proc/25047/statm: 117359 117169 80 214 0 117141 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 469268

[startup+6.30108 s]
/proc/loadavg: 1.00 1.02 1.00 2/78 25048
/proc/meminfo: memFree=548480/2055920 swapFree=4143528/4192956
[pid=25047] ppid=25045 vsize=678056 CPUtime=6.29
/proc/25047/stat : 25047 (mmisat) R 25045 25047 24317 0 -1 4194304 169360 0 0 0 558 71 0 0 25 0 1 0 137616998 694329344 169343 18446744073709551615 134512640 135391789 4294956672 18446744073709551615 134517190 0 0 4096 0 0 0 0 17 1 0 0
/proc/25047/statm: 169514 169343 80 214 0 169296 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 678056

[startup+12.7017 s]
/proc/loadavg: 1.00 1.02 1.00 2/78 25048
/proc/meminfo: memFree=292800/2055920 swapFree=4143528/4192956
[pid=25047] ppid=25045 vsize=910568 CPUtime=12.69
/proc/25047/stat : 25047 (mmisat) R 25045 25047 24317 0 -1 4194304 227488 0 0 0 1176 93 0 0 25 0 1 0 137616998 932421632 227471 18446744073709551615 134512640 135391789 4294956672 18446744073709551615 134517190 0 0 4096 0 0 0 0 17 1 0 0
/proc/25047/statm: 227642 227471 80 214 0 227424 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 910568

[startup+25.5011 s]
/proc/loadavg: 1.00 1.02 1.00 2/78 25048
/proc/meminfo: memFree=15808/2055920 swapFree=4143528/4192956
[pid=25047] ppid=25045 vsize=1168820 CPUtime=25.49
/proc/25047/stat : 25047 (mmisat) R 25045 25047 24317 0 -1 4194304 292051 0 0 0 2434 115 0 0 25 0 1 0 137616998 1196871680 292034 18446744073709551615 134512640 135391789 4294956672 18446744073709551615 134517738 0 0 4096 0 0 0 0 17 0 0 0
/proc/25047/statm: 292205 292034 80 214 0 291987 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 1168820

[startup+51.1017 s]
/proc/loadavg: 1.00 1.02 1.00 2/78 25048
/proc/meminfo: memFree=16000/2055920 swapFree=4146724/4192956
[pid=25047] ppid=25045 vsize=1469804 CPUtime=51.05
/proc/25047/stat : 25047 (mmisat) R 25045 25047 24317 0 -1 4194304 367297 0 0 0 4962 143 0 0 25 0 1 0 137616998 1505079296 367280 18446744073709551615 134512640 135391789 4294956672 18446744073709551615 134517190 0 0 4096 0 0 0 0 17 1 0 0
/proc/25047/statm: 367451 367280 80 214 0 367233 0
Current children cumulated CPU time (s) 51.05
Current children cumulated vsize (KiB) 1469804



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+95.1012 s]
/proc/loadavg: 1.00 1.01 1.00 2/78 25048
/proc/meminfo: memFree=15616/2055920 swapFree=4149052/4192956
[pid=25047] ppid=25045 vsize=1843472 CPUtime=95.04
/proc/25047/stat : 25047 (mmisat) R 25045 25047 24317 0 -1 4194304 460714 0 0 0 9331 173 0 0 25 0 1 0 137616998 1887715328 460697 18446744073709551615 134512640 135391789 4294956672 18446744073709551615 134517190 0 0 4096 0 0 0 0 17 1 0 0
/proc/25047/statm: 460868 460697 80 214 0 460650 0
Current children cumulated CPU time (s) 95.04
Current children cumulated vsize (KiB) 1843472

Sending SIGTERM to process tree (bottom up)
Sleeping 2 seconds

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

[startup+95.2062 s]
/proc/loadavg: 1.00 1.01 1.00 2/78 25048
/proc/meminfo: memFree=15616/2055920 swapFree=4149052/4192956
[pid=25047] ppid=25045 vsize=0 CPUtime=95.14
/proc/25047/stat : 25047 (mmisat) R 25045 25047 24317 0 -1 4195332 460714 0 0 0 9331 183 0 0 25 0 1 0 137616998 0 0 18446744073709551615 0 0 0 0 0 0 0 4096 0 0 0 0 17 1 0 0
/proc/25047/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 95.14
Current children cumulated vsize (KiB) 0

[startup+95.3012 s]
/proc/loadavg: 1.00 1.01 1.00 2/78 25048
/proc/meminfo: memFree=15616/2055920 swapFree=4149052/4192956
[pid=25047] ppid=25045 vsize=0 CPUtime=95.24
/proc/25047/stat : 25047 (mmisat) R 25045 25047 24317 0 -1 4195332 460714 0 0 0 9331 193 0 0 25 0 1 0 137616998 0 0 18446744073709551615 0 0 0 0 0 0 0 4096 0 0 0 0 17 1 0 0
/proc/25047/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 95.24
Current children cumulated vsize (KiB) 0

Child ended because it received signal 15 (SIGTERM)
Real time (s): 95.3937
CPU time (s): 95.3385
CPU user time (s): 93.3118
CPU system time (s): 2.02669
CPU usage (%): 99.9422
Max. virtual memory (cumulated for all children) (KiB): 1843472

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 93.3118
system time used= 2.02669
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 460714
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= 6
involuntary context switches= 2106

runsolver used 0.089986 second user time and 0.264959 second system time

The end



Launcher Data (download as text)




Begin job on node44 on Wed Apr 18 11:50:53 UTC 2007

IDJOB= 314144
IDBENCH= 20384
IDSOLVER= 108
FILE ID= node44/314144-1176897053

PBS_JOBID= 4595158

Free space on /tmp= 66395 MiB

SOLVER NAME= Mmisat 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/industrial/anbulagan/hard-unsat/dated-10-17-u.cnf
COMMAND LINE= /tmp/evaluation/314144-1176897053/mmisat /tmp/evaluation/314144-1176897053/instance-314144-1176897053.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node44/watcher-314144-1176897053 -o ROOT/results/node44/solver-314144-1176897053 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/314144-1176897053/mmisat /tmp/evaluation/314144-1176897053/instance-314144-1176897053.cnf            

META MD5SUM SOLVER= f0471644c1818c6834832b41e70bf7e6
MD5SUM BENCH=  780d946576ec5746b4ea9832bb01dbc5

RANDOM SEED= 226634933

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node44.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		: 3000.234
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:       1181928 kB
Buffers:         41388 kB
Cached:         748932 kB
SwapCached:      27516 kB
Active:         313272 kB
Inactive:       515004 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1181928 kB
SwapTotal:     4192956 kB
SwapFree:      4143528 kB
Dirty:           20424 kB
Writeback:           0 kB
Mapped:          32332 kB
Slab:            31196 kB
Committed_AS:   439220 kB
PageTables:       1736 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= 66395 MiB

End job on node44 on Wed Apr 18 11:52:30 UTC 2007