Trace number 328936

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
TTS 4.0? (MO) 5.53816 5.54125

General information on the benchmark

Nameindustrial/IBM_FV_2002_13_rule_1/
SAT_dat.k95.cnf
MD5SUM271f133ecbb26442db352418a90fc3e7
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 variables49582
Number of clauses175195
Sum of the clauses size464017
Maximum clause length37
Minimum clause length1
Number of clauses of size 11253
Number of clauses of size 292771
Number of clauses of size 374550
Number of clauses of size 4466
Number of clauses of size 5905
Number of clauses of size over 55250

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 3.2.1 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node18/watcher-328936-1173128002 -o ROOT/results/node18/solver-328936-1173128002 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/328936-1173128002/tts-4-0 /tmp/evaluation/328936-1173128002/instance-328936-1173128002.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: 1.91 1.84 1.49 3/77 16747
/proc/meminfo: memFree=1173808/2055920 swapFree=4153516/4192956
[pid=16747] ppid=16745 vsize=664 CPUtime=0
/proc/16747/stat : 16747 (tts-4-0) R 16745 16747 15894 0 -1 4194304 78 0 0 0 0 0 0 0 18 0 1 0 332754826 679936 63 18446744073709551615 134512640 134976056 4294956704 18446744073709551615 134647773 0 0 4096 0 0 0 0 17 1 0 0
/proc/16747/statm: 166 63 53 113 0 50 0

[startup+0.0838461 s]
/proc/loadavg: 1.91 1.84 1.49 3/77 16747
/proc/meminfo: memFree=1173808/2055920 swapFree=4153516/4192956
[pid=16747] ppid=16745 vsize=2964 CPUtime=0.08
/proc/16747/stat : 16747 (tts-4-0) R 16745 16747 15894 0 -1 4194304 631 0 0 0 8 0 0 0 18 0 1 0 332754826 3035136 616 18446744073709551615 134512640 134976056 4294956704 18446744073709551615 134627035 0 0 4096 0 0 0 0 17 1 0 0
/proc/16747/statm: 741 617 57 113 0 625 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 2964

[startup+0.101848 s]
/proc/loadavg: 1.91 1.84 1.49 3/77 16747
/proc/meminfo: memFree=1173808/2055920 swapFree=4153516/4192956
[pid=16747] ppid=16745 vsize=3572 CPUtime=0.09
/proc/16747/stat : 16747 (tts-4-0) R 16745 16747 15894 0 -1 4194304 792 0 0 0 9 0 0 0 18 0 1 0 332754826 3657728 777 18446744073709551615 134512640 134976056 4294956704 18446744073709551615 134627035 0 0 4096 0 0 0 0 17 1 0 0
/proc/16747/statm: 893 777 57 113 0 777 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3572

[startup+0.301867 s]
/proc/loadavg: 1.91 1.84 1.49 3/77 16747
/proc/meminfo: memFree=1173808/2055920 swapFree=4153516/4192956
[pid=16747] ppid=16745 vsize=11004 CPUtime=0.29
/proc/16747/stat : 16747 (tts-4-0) R 16745 16747 15894 0 -1 4194304 2624 0 0 0 28 1 0 0 19 0 1 0 332754826 11268096 2609 18446744073709551615 134512640 134976056 4294956704 18446744073709551615 134627035 0 0 4096 0 0 0 0 17 1 0 0
/proc/16747/statm: 2751 2609 57 113 0 2635 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 11004

[startup+0.701907 s]
/proc/loadavg: 1.91 1.84 1.49 3/77 16747
/proc/meminfo: memFree=1173808/2055920 swapFree=4153516/4192956
[pid=16747] ppid=16745 vsize=62592 CPUtime=0.69
/proc/16747/stat : 16747 (tts-4-0) R 16745 16747 15894 0 -1 4194304 10577 0 0 0 66 3 0 0 22 0 1 0 332754826 64094208 10562 18446744073709551615 134512640 134976056 4294956704 18446744073709551615 134519040 0 0 4096 0 0 0 0 17 1 0 0
/proc/16747/statm: 15648 10562 60 113 0 15532 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 62592

[startup+1.50198 s]
/proc/loadavg: 1.91 1.84 1.49 2/78 16748
/proc/meminfo: memFree=1081320/2055920 swapFree=4153516/4192956
[pid=16747] ppid=16745 vsize=373728 CPUtime=1.49
/proc/16747/stat : 16747 (tts-4-0) R 16745 16747 15894 0 -1 4194304 44018 0 0 0 136 13 0 0 25 0 1 0 332754826 382697472 44003 18446744073709551615 134512640 134976056 4294956704 18446744073709551615 134519051 0 0 4096 0 0 0 0 17 1 0 0
/proc/16747/statm: 93432 44003 60 113 0 93316 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 373728

[startup+3.10114 s]
/proc/loadavg: 1.91 1.84 1.49 2/78 16748
/proc/meminfo: memFree=896424/2055920 swapFree=4153516/4192956
[pid=16747] ppid=16745 vsize=999836 CPUtime=3.09
/proc/16747/stat : 16747 (tts-4-0) R 16745 16747 15894 0 -1 4194304 111299 0 0 0 276 33 0 0 25 0 1 0 332754826 1023832064 111284 18446744073709551615 134512640 134976056 4294956704 18446744073709551615 134519045 0 0 4096 0 0 0 0 17 1 0 0
/proc/16747/statm: 249959 111284 60 113 0 249843 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 999836



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+5.40136 s]
/proc/loadavg: 1.84 1.83 1.48 2/78 16748
/proc/meminfo: memFree=357168/2055920 swapFree=4153516/4192956
[pid=16747] ppid=16745 vsize=1857444 CPUtime=5.4
/proc/16747/stat : 16747 (tts-4-0) R 16745 16747 15894 0 -1 4194304 203460 0 0 0 482 58 0 0 25 0 1 0 332754826 1902022656 203445 18446744073709551615 134512640 134976056 4294956704 18446744073709551615 134519051 0 0 4096 0 0 0 0 17 1 0 0
/proc/16747/statm: 464361 203445 60 113 0 464245 0
Current children cumulated CPU time (s) 5.4
Current children cumulated vsize (KiB) 1857444

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

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

[startup+5.51037 s]
/proc/loadavg: 1.84 1.83 1.48 2/78 16748
/proc/meminfo: memFree=357168/2055920 swapFree=4153516/4192956
[pid=16747] ppid=16745 vsize=0 CPUtime=5.5
/proc/16747/stat : 16747 (tts-4-0) R 16745 16747 15894 0 -1 4195332 203460 0 0 0 482 68 0 0 25 0 1 0 332754826 0 0 18446744073709551615 0 0 0 0 0 0 0 4096 0 0 0 0 17 1 0 0
/proc/16747/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 5.5
Current children cumulated vsize (KiB) 0

Child ended because it received signal 15 (SIGTERM)
Real time (s): 5.54125
CPU time (s): 5.53816
CPU user time (s): 4.82027
CPU system time (s): 0.71789
CPU usage (%): 99.9443
Max. virtual memory (cumulated for all children) (KiB): 1857444

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 4.82027
system time used= 0.71789
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 203460
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= 9

runsolver used 0.006998 second user time and 0.024996 second system time

The end



Launcher Data (download as text)




Begin job on node18 on Mon Mar  5 20:53:23 UTC 2007

IDJOB= 328936
IDBENCH= 20528
IDSOLVER= 98
FILE ID= node18/328936-1173128002

PBS_JOBID= 4014945

Free space on /tmp= 66548 MiB

SOLVER NAME= TTS 4.0
BENCH NAME= HOME/pub/bench/SAT07/industrial/IBM_FV_2002_13_rule_1/SAT_dat.k95.cnf
COMMAND LINE= /tmp/evaluation/328936-1173128002/tts-4-0 /tmp/evaluation/328936-1173128002/instance-328936-1173128002.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node18/watcher-328936-1173128002 -o ROOT/results/node18/solver-328936-1173128002 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/328936-1173128002/tts-4-0 /tmp/evaluation/328936-1173128002/instance-328936-1173128002.cnf            

META MD5SUM SOLVER= 73a7a27d0c2e86f9b1191433fde766ff
MD5SUM BENCH=  271f133ecbb26442db352418a90fc3e7

RANDOM SEED= 296997645

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node18.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		: 3000.236
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		: 3000.236
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:       1174280 kB
Buffers:         50320 kB
Cached:         737504 kB
SwapCached:       2472 kB
Active:         409256 kB
Inactive:       401428 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1174280 kB
SwapTotal:     4192956 kB
SwapFree:      4153516 kB
Dirty:            4848 kB
Writeback:           0 kB
Mapped:          30696 kB
Slab:            56560 kB
Committed_AS:  1167700 kB
PageTables:       1668 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= 66548 MiB

End job on node18 on Mon Mar  5 20:53:30 UTC 2007