Trace number 302378

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 2007-02-08Signal 156.434 156.502

General information on the benchmark

Namerandom/LargeSize/5SAT/v900/
unif-k5-r20-v900-c18000-S1285628870-05.cnf
MD5SUMd0e29b4d909795f0b3931db4750cb61b
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark315.806
Satisfiable
(Un)Satisfiability was proved
Number of variables900
Number of clauses18000
Sum of the clauses size90000
Maximum clause length5
Minimum clause length5
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 30
Number of clauses of size 40
Number of clauses of size 518000
Number of clauses of size over 50

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

command line: runsolver --timestamp -w ROOT/results/node41/watcher-302378-1172010397 -o ROOT/results/node41/solver-302378-1172010397 -C 1200 -M 1800 --output-limit 1,15 /tmp/evaluation/302378-1172010397/mmisat /tmp/evaluation/302378-1172010397/instance-302378-1172010397.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1230 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 0.93 3/64 7502
/proc/meminfo: memFree=1726976/2055920 swapFree=4183324/4192956
[pid=7502] ppid=7500 vsize=1176 CPUtime=0
/proc/7502/stat : 7502 (mmisat) R 7500 7502 6478 0 -1 4194304 163 0 0 0 0 0 0 0 18 0 1 0 220995670 1204224 146 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134998823 0 0 4096 0 0 0 0 17 1 0 0
/proc/7502/statm: 294 146 81 214 0 76 0

[startup+0.106497 s]
/proc/loadavg: 1.00 1.00 0.93 3/64 7502
/proc/meminfo: memFree=1726976/2055920 swapFree=4183324/4192956
[pid=7502] ppid=7500 vsize=1836 CPUtime=0.1
/proc/7502/stat : 7502 (mmisat) R 7500 7502 6478 0 -1 4194304 337 0 0 0 10 0 0 0 18 0 1 0 220995670 1880064 320 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134517190 0 0 4096 0 0 0 0 17 1 0 0
/proc/7502/statm: 459 321 81 214 0 241 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 1836

[startup+0.514532 s]
/proc/loadavg: 1.00 1.00 0.93 3/64 7502
/proc/meminfo: memFree=1726976/2055920 swapFree=4183324/4192956
[pid=7502] ppid=7500 vsize=3024 CPUtime=0.51
/proc/7502/stat : 7502 (mmisat) R 7500 7502 6478 0 -1 4194304 613 0 0 0 51 0 0 0 21 0 1 0 220995670 3096576 596 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134517738 0 0 4096 0 0 0 0 17 1 0 0
/proc/7502/statm: 756 596 81 214 0 538 0
Current children cumulated CPU time (s) 0.51
Current children cumulated vsize (KiB) 3024

[startup+1.3346 s]
/proc/loadavg: 1.00 1.00 0.93 2/65 7503
/proc/meminfo: memFree=1723960/2055920 swapFree=4183324/4192956
[pid=7502] ppid=7500 vsize=4212 CPUtime=1.33
/proc/7502/stat : 7502 (mmisat) R 7500 7502 6478 0 -1 4194304 924 0 0 0 133 0 0 0 25 0 1 0 220995670 4313088 907 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134517190 0 0 4096 0 0 0 0 17 1 0 0
/proc/7502/statm: 1053 907 81 214 0 835 0
Current children cumulated CPU time (s) 1.33
Current children cumulated vsize (KiB) 4212

[startup+2.97075 s]
/proc/loadavg: 1.00 1.00 0.93 2/65 7503
/proc/meminfo: memFree=1722616/2055920 swapFree=4183324/4192956
[pid=7502] ppid=7500 vsize=5796 CPUtime=2.96
/proc/7502/stat : 7502 (mmisat) R 7500 7502 6478 0 -1 4194304 1310 0 0 0 296 0 0 0 25 0 1 0 220995670 5935104 1293 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134517190 0 0 4096 0 0 0 0 17 1 0 0
/proc/7502/statm: 1449 1293 81 214 0 1231 0
Current children cumulated CPU time (s) 2.96
Current children cumulated vsize (KiB) 5796

[startup+6.24703 s]
/proc/loadavg: 1.00 1.00 0.93 2/65 7503
/proc/meminfo: memFree=1720632/2055920 swapFree=4183324/4192956
[pid=7502] ppid=7500 vsize=7248 CPUtime=6.24
/proc/7502/stat : 7502 (mmisat) R 7500 7502 6478 0 -1 4194304 1680 0 0 0 624 0 0 0 25 0 1 0 220995670 7421952 1663 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134517190 0 0 4096 0 0 0 0 17 1 0 0
/proc/7502/statm: 1812 1663 81 214 0 1594 0
Current children cumulated CPU time (s) 6.24
Current children cumulated vsize (KiB) 7248

[startup+12.7036 s]
/proc/loadavg: 1.00 1.00 0.93 2/65 7503
/proc/meminfo: memFree=1719096/2055920 swapFree=4183324/4192956
[pid=7502] ppid=7500 vsize=8700 CPUtime=12.69
/proc/7502/stat : 7502 (mmisat) R 7500 7502 6478 0 -1 4194304 2023 0 0 0 1269 0 0 0 25 0 1 0 220995670 8908800 2006 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134517190 0 0 4096 0 0 0 0 17 1 0 0
/proc/7502/statm: 2175 2006 81 214 0 1957 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 8700

[startup+25.5057 s]
/proc/loadavg: 1.00 1.00 0.93 2/65 7503
/proc/meminfo: memFree=1717816/2055920 swapFree=4183324/4192956
[pid=7502] ppid=7500 vsize=10020 CPUtime=25.49
/proc/7502/stat : 7502 (mmisat) R 7500 7502 6478 0 -1 4194304 2354 0 0 0 2549 0 0 0 25 0 1 0 220995670 10260480 2337 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134517190 0 0 4096 0 0 0 0 17 1 0 0
/proc/7502/statm: 2505 2337 81 214 0 2287 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 10020

[startup+51.1119 s]
/proc/loadavg: 1.00 1.00 0.93 2/65 7503
/proc/meminfo: memFree=1716280/2055920 swapFree=4183324/4192956
[pid=7502] ppid=7500 vsize=11472 CPUtime=51.09
/proc/7502/stat : 7502 (mmisat) R 7500 7502 6478 0 -1 4194304 2731 0 0 0 5108 1 0 0 25 0 1 0 220995670 11747328 2714 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134517190 0 0 4096 0 0 0 0 17 1 0 0
/proc/7502/statm: 2868 2714 81 214 0 2650 0
Current children cumulated CPU time (s) 51.09
Current children cumulated vsize (KiB) 11472

[startup+102.319 s]
/proc/loadavg: 1.00 1.00 0.93 2/65 7503
/proc/meminfo: memFree=1714296/2055920 swapFree=4183324/4192956
[pid=7502] ppid=7500 vsize=13452 CPUtime=102.28
/proc/7502/stat : 7502 (mmisat) R 7500 7502 6478 0 -1 4194304 3215 0 0 0 10227 1 0 0 25 0 1 0 220995670 13774848 3198 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134517738 0 0 4096 0 0 0 0 17 1 0 0
/proc/7502/statm: 3363 3198 81 214 0 3145 0
Current children cumulated CPU time (s) 102.28
Current children cumulated vsize (KiB) 13452

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

[startup+104.881 s]
/proc/loadavg: 1.00 1.00 0.93 2/65 7503
/proc/meminfo: memFree=1714168/2055920 swapFree=4183324/4192956
[pid=7502] ppid=7500 vsize=13452 CPUtime=104.84
/proc/7502/stat : 7502 (mmisat) R 7500 7502 6478 0 -1 4194304 3235 0 0 0 10483 1 0 0 25 0 1 0 220995670 13774848 3218 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134517738 0 0 4096 0 0 0 0 17 1 0 0
/proc/7502/statm: 3363 3218 81 214 0 3145 0
Current children cumulated CPU time (s) 104.84
Current children cumulated vsize (KiB) 13452

[startup+131.099 s]
/proc/loadavg: 1.00 1.00 0.93 2/65 7503
/proc/meminfo: memFree=1713400/2055920 swapFree=4183324/4192956
[pid=7502] ppid=7500 vsize=14244 CPUtime=131.06
/proc/7502/stat : 7502 (mmisat) R 7500 7502 6478 0 -1 4194304 3430 0 0 0 13104 2 0 0 25 0 1 0 220995670 14585856 3413 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134517190 0 0 4096 0 0 0 0 17 1 0 0
/proc/7502/statm: 3561 3413 81 214 0 3343 0
Current children cumulated CPU time (s) 131.06
Current children cumulated vsize (KiB) 14244

[startup+144.204 s]
/proc/loadavg: 1.00 1.00 0.93 2/65 7503
/proc/meminfo: memFree=1713016/2055920 swapFree=4183324/4192956
[pid=7502] ppid=7500 vsize=14640 CPUtime=144.16
/proc/7502/stat : 7502 (mmisat) R 7500 7502 6478 0 -1 4194304 3519 0 0 0 14414 2 0 0 25 0 1 0 220995670 14991360 3502 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134517738 0 0 4096 0 0 0 0 17 1 0 0
/proc/7502/statm: 3660 3502 81 214 0 3442 0
Current children cumulated CPU time (s) 144.16
Current children cumulated vsize (KiB) 14640

[startup+150.76 s]
/proc/loadavg: 1.00 1.00 0.93 2/65 7503
/proc/meminfo: memFree=1712888/2055920 swapFree=4183324/4192956
[pid=7502] ppid=7500 vsize=14772 CPUtime=150.71
/proc/7502/stat : 7502 (mmisat) R 7500 7502 6478 0 -1 4194304 3561 0 0 0 15069 2 0 0 25 0 1 0 220995670 15126528 3544 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134517738 0 0 4096 0 0 0 0 17 1 0 0
/proc/7502/statm: 3693 3544 81 214 0 3475 0
Current children cumulated CPU time (s) 150.71
Current children cumulated vsize (KiB) 14772

[startup+154.04 s]
/proc/loadavg: 1.00 1.00 0.93 2/65 7503
/proc/meminfo: memFree=1712824/2055920 swapFree=4183324/4192956
[pid=7502] ppid=7500 vsize=14904 CPUtime=153.99
/proc/7502/stat : 7502 (mmisat) R 7500 7502 6478 0 -1 4194304 3583 0 0 0 15397 2 0 0 25 0 1 0 220995670 15261696 3566 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134517190 0 0 4096 0 0 0 0 17 1 0 0
/proc/7502/statm: 3726 3566 81 214 0 3508 0
Current children cumulated CPU time (s) 153.99
Current children cumulated vsize (KiB) 14904

[startup+155.68 s]
/proc/loadavg: 1.00 1.00 0.93 2/65 7503
/proc/meminfo: memFree=1698680/2055920 swapFree=4183324/4192956
[pid=7502] ppid=7500 vsize=42800 CPUtime=155.63
/proc/7502/stat : 7502 (mmisat) R 7500 7502 6478 0 -1 4194304 10547 0 0 0 15558 5 0 0 25 0 1 0 220995670 43827200 10530 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134995146 0 0 4096 0 0 0 0 17 1 0 0
/proc/7502/statm: 10700 10530 85 214 0 10482 0
Current children cumulated CPU time (s) 155.63
Current children cumulated vsize (KiB) 42800

[startup+156.088 s]
/proc/loadavg: 1.00 1.00 0.93 2/65 7503
/proc/meminfo: memFree=1698680/2055920 swapFree=4183324/4192956
[pid=7502] ppid=7500 vsize=30120 CPUtime=156.03
/proc/7502/stat : 7502 (mmisat) R 7500 7502 6478 0 -1 4194304 10847 0 0 0 15598 5 0 0 25 0 1 0 220995670 30842880 7392 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134554007 0 0 4096 0 0 0 0 17 1 0 0
/proc/7502/statm: 7530 7392 87 214 0 7312 0
Current children cumulated CPU time (s) 156.03
Current children cumulated vsize (KiB) 30120

[startup+156.496 s]
/proc/loadavg: 1.00 1.00 0.93 2/65 7503
/proc/meminfo: memFree=1698680/2055920 swapFree=4183324/4192956
[pid=7502] ppid=7500 vsize=30264 CPUtime=156.42
/proc/7502/stat : 7502 (mmisat) R 7500 7502 6478 0 -1 4195840 10868 0 0 0 15625 17 0 0 24 0 1 0 220995670 30990336 7410 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134518381 0 0 4096 0 0 0 0 17 1 0 0
/proc/7502/statm: 7566 7410 91 214 0 7348 0
Current children cumulated CPU time (s) 156.42
Current children cumulated vsize (KiB) 30264

Child ended because it received signal 11 (SIGSEGV)
Real time (s): 156.502
CPU time (s): 156.434
CPU user time (s): 156.257
CPU system time (s): 0.176973
CPU usage (%): 99.9566
Max. virtual memory (cumulated for all children) (KiB): 42800

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 156.257
system time used= 0.176973
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 10896
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= 229

runsolver used 0.105983 second user time and 0.321951 second system time

The end



Launcher Data (download as text)




Begin job on node41 on Tue Feb 20 22:26:37 UTC 2007

IDJOB= 302378
IDBENCH= 20082
IDSOLVER= 108
FILE ID= node41/302378-1172010397

PBS_JOBID= 3892654

Free space on /tmp= 66563 MiB

SOLVER NAME= Mmisat 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/random/LargeSize/5SAT/v900/unif-k5-r20-v900-c18000-S1285628870-05.cnf
COMMAND LINE= /tmp/evaluation/302378-1172010397/mmisat /tmp/evaluation/302378-1172010397/instance-302378-1172010397.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node41/watcher-302378-1172010397 -o ROOT/results/node41/solver-302378-1172010397 -C 1200 -M 1800 --output-limit 1,15  /tmp/evaluation/302378-1172010397/mmisat /tmp/evaluation/302378-1172010397/instance-302378-1172010397.cnf            

META MD5SUM SOLVER= f0471644c1818c6834832b41e70bf7e6
MD5SUM BENCH=  d0e29b4d909795f0b3931db4750cb61b

RANDOM SEED= 318427707

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node41.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		: 3000.231
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		: 3000.231
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:       1727448 kB
Buffers:         32952 kB
Cached:         243836 kB
SwapCached:       3916 kB
Active:         180564 kB
Inactive:       106696 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1727448 kB
SwapTotal:     4192956 kB
SwapFree:      4183324 kB
Dirty:            1508 kB
Writeback:           0 kB
Mapped:          15308 kB
Slab:            27164 kB
Committed_AS:   456776 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= 66534 MiB

End job on node41 on Tue Feb 20 22:29:14 UTC 2007