Trace number 301271

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 34.9387 34.9525

General information on the benchmark

Namerandom/LargeSize/5SAT/v600/
unif-k5-r20-v600-c12000-S471246417-03.cnf
MD5SUM0eb79e36a6a126bd4e244caabd87546c
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark34.3168
Satisfiable
(Un)Satisfiability was proved
Number of variables600
Number of clauses12000
Sum of the clauses size60000
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 512000
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/node12/watcher-301271-1171961200 -o ROOT/results/node12/solver-301271-1171961200 -C 1200 -M 1800 --output-limit 1,15 /tmp/evaluation/301271-1171961200/mmisat /tmp/evaluation/301271-1171961200/instance-301271-1171961200.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: 0.92 0.98 0.99 3/77 2443
/proc/meminfo: memFree=1678632/2055920 swapFree=4154904/4192956
[pid=2443] ppid=2441 vsize=1176 CPUtime=0
/proc/2443/stat : 2443 (mmisat) R 2441 2443 2043 0 -1 4194304 150 0 0 0 0 0 0 0 18 0 1 0 216074512 1204224 133 18446744073709551615 134512640 135391789 4294956624 18446744073709551615 134998823 0 0 4096 0 0 0 0 17 1 0 0
/proc/2443/statm: 294 133 81 214 0 76 0

[startup+0.106791 s]
/proc/loadavg: 0.92 0.98 0.99 3/77 2443
/proc/meminfo: memFree=1678632/2055920 swapFree=4154904/4192956
[pid=2443] ppid=2441 vsize=1708 CPUtime=0.1
/proc/2443/stat : 2443 (mmisat) R 2441 2443 2043 0 -1 4194304 280 0 0 0 10 0 0 0 18 0 1 0 216074512 1748992 263 18446744073709551615 134512640 135391789 4294956624 18446744073709551615 134998823 0 0 4096 0 0 0 0 17 1 0 0
/proc/2443/statm: 427 263 81 214 0 209 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 1708

[startup+0.514864 s]
/proc/loadavg: 0.92 0.98 0.99 3/77 2443
/proc/meminfo: memFree=1678632/2055920 swapFree=4154904/4192956
[pid=2443] ppid=2441 vsize=2500 CPUtime=0.5
/proc/2443/stat : 2443 (mmisat) R 2441 2443 2043 0 -1 4194304 484 0 0 0 50 0 0 0 22 0 1 0 216074512 2560000 467 18446744073709551615 134512640 135391789 4294956624 18446744073709551615 134517205 0 0 4096 0 0 0 0 17 1 0 0
/proc/2443/statm: 625 467 81 214 0 407 0
Current children cumulated CPU time (s) 0.5
Current children cumulated vsize (KiB) 2500

[startup+1.33601 s]
/proc/loadavg: 0.92 0.98 0.99 2/78 2444
/proc/meminfo: memFree=1676448/2055920 swapFree=4154904/4192956
[pid=2443] ppid=2441 vsize=3424 CPUtime=1.32
/proc/2443/stat : 2443 (mmisat) R 2441 2443 2043 0 -1 4194304 713 0 0 0 132 0 0 0 25 0 1 0 216074512 3506176 696 18446744073709551615 134512640 135391789 4294956624 18446744073709551615 134517738 0 0 4096 0 0 0 0 17 1 0 0
/proc/2443/statm: 856 696 81 214 0 638 0
Current children cumulated CPU time (s) 1.32
Current children cumulated vsize (KiB) 3424

[startup+2.97431 s]
/proc/loadavg: 0.92 0.98 0.99 2/78 2444
/proc/meminfo: memFree=1675552/2055920 swapFree=4154904/4192956
[pid=2443] ppid=2441 vsize=4348 CPUtime=2.96
/proc/2443/stat : 2443 (mmisat) R 2441 2443 2043 0 -1 4194304 950 0 0 0 296 0 0 0 25 0 1 0 216074512 4452352 933 18446744073709551615 134512640 135391789 4294956624 18446744073709551615 134517190 0 0 4096 0 0 0 0 17 1 0 0
/proc/2443/statm: 1087 933 81 214 0 869 0
Current children cumulated CPU time (s) 2.96
Current children cumulated vsize (KiB) 4348

[startup+6.2509 s]
/proc/loadavg: 0.93 0.98 0.99 2/78 2444
/proc/meminfo: memFree=1674216/2055920 swapFree=4154904/4192956
[pid=2443] ppid=2441 vsize=5404 CPUtime=6.23
/proc/2443/stat : 2443 (mmisat) R 2441 2443 2043 0 -1 4194304 1210 0 0 0 623 0 0 0 25 0 1 0 216074512 5533696 1193 18446744073709551615 134512640 135391789 4294956624 18446744073709551615 134517190 0 0 4096 0 0 0 0 17 1 0 0
/proc/2443/statm: 1351 1193 81 214 0 1133 0
Current children cumulated CPU time (s) 6.23
Current children cumulated vsize (KiB) 5404

[startup+12.7101 s]
/proc/loadavg: 0.93 0.98 0.99 2/78 2444
/proc/meminfo: memFree=1673064/2055920 swapFree=4154904/4192956
[pid=2443] ppid=2441 vsize=6328 CPUtime=12.7
/proc/2443/stat : 2443 (mmisat) R 2441 2443 2043 0 -1 4194304 1448 0 0 0 1269 1 0 0 25 0 1 0 216074512 6479872 1431 18446744073709551615 134512640 135391789 4294956624 18446744073709551615 134517190 0 0 4096 0 0 0 0 17 1 0 0
/proc/2443/statm: 1582 1431 81 214 0 1364 0
Current children cumulated CPU time (s) 12.7
Current children cumulated vsize (KiB) 6328

[startup+25.5124 s]
/proc/loadavg: 0.95 0.98 0.99 2/78 2444
/proc/meminfo: memFree=1672168/2055920 swapFree=4154904/4192956
[pid=2443] ppid=2441 vsize=7252 CPUtime=25.49
/proc/2443/stat : 2443 (mmisat) R 2441 2443 2043 0 -1 4194304 1672 0 0 0 2548 1 0 0 25 0 1 0 216074512 7426048 1655 18446744073709551615 134512640 135391789 4294956624 18446744073709551615 134517190 0 0 4096 0 0 0 0 17 1 0 0
/proc/2443/statm: 1813 1655 81 214 0 1595 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 7252

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

[startup+26.2305 s]
/proc/loadavg: 0.95 0.98 0.99 2/78 2444
/proc/meminfo: memFree=1672104/2055920 swapFree=4154904/4192956
[pid=2443] ppid=2441 vsize=7252 CPUtime=26.21
/proc/2443/stat : 2443 (mmisat) R 2441 2443 2043 0 -1 4194304 1681 0 0 0 2620 1 0 0 25 0 1 0 216074512 7426048 1664 18446744073709551615 134512640 135391789 4294956624 18446744073709551615 134517738 0 0 4096 0 0 0 0 17 1 0 0
/proc/2443/statm: 1813 1664 81 214 0 1595 0
Current children cumulated CPU time (s) 26.21
Current children cumulated vsize (KiB) 7252

[startup+29.5101 s]
/proc/loadavg: 0.95 0.98 0.99 2/78 2444
/proc/meminfo: memFree=1671976/2055920 swapFree=4154904/4192956
[pid=2443] ppid=2441 vsize=7384 CPUtime=29.49
/proc/2443/stat : 2443 (mmisat) R 2441 2443 2043 0 -1 4194304 1721 0 0 0 2948 1 0 0 25 0 1 0 216074512 7561216 1704 18446744073709551615 134512640 135391789 4294956624 18446744073709551615 134517738 0 0 4096 0 0 0 0 17 1 0 0
/proc/2443/statm: 1846 1704 81 214 0 1628 0
Current children cumulated CPU time (s) 29.49
Current children cumulated vsize (KiB) 7384

[startup+32.7887 s]
/proc/loadavg: 0.95 0.98 0.99 2/78 2444
/proc/meminfo: memFree=1671784/2055920 swapFree=4154904/4192956
[pid=2443] ppid=2441 vsize=7516 CPUtime=32.77
/proc/2443/stat : 2443 (mmisat) R 2441 2443 2043 0 -1 4194304 1758 0 0 0 3276 1 0 0 25 0 1 0 216074512 7696384 1741 18446744073709551615 134512640 135391789 4294956624 18446744073709551615 134517190 0 0 4096 0 0 0 0 17 1 0 0
/proc/2443/statm: 1879 1741 81 214 0 1661 0
Current children cumulated CPU time (s) 32.77
Current children cumulated vsize (KiB) 7516

[startup+33.6048 s]
/proc/loadavg: 0.95 0.98 0.99 2/78 2444
/proc/meminfo: memFree=1671784/2055920 swapFree=4154904/4192956
[pid=2443] ppid=2441 vsize=7648 CPUtime=33.58
/proc/2443/stat : 2443 (mmisat) R 2441 2443 2043 0 -1 4194304 1767 0 0 0 3357 1 0 0 25 0 1 0 216074512 7831552 1750 18446744073709551615 134512640 135391789 4294956624 18446744073709551615 134517190 0 0 4096 0 0 0 0 17 1 0 0
/proc/2443/statm: 1912 1750 81 214 0 1694 0
Current children cumulated CPU time (s) 33.58
Current children cumulated vsize (KiB) 7648

[startup+34.425 s]
/proc/loadavg: 0.95 0.98 0.99 2/78 2444
/proc/meminfo: memFree=1671720/2055920 swapFree=4154904/4192956
[pid=2443] ppid=2441 vsize=7688 CPUtime=34.4
/proc/2443/stat : 2443 (mmisat) R 2441 2443 2043 0 -1 4194304 1782 0 0 0 3439 1 0 0 25 0 1 0 216074512 7872512 1765 18446744073709551615 134512640 135391789 4294956624 18446744073709551615 134520158 0 0 4096 0 0 0 0 17 1 0 0
/proc/2443/statm: 1922 1765 84 214 0 1704 0
Current children cumulated CPU time (s) 34.4
Current children cumulated vsize (KiB) 7688

[startup+34.833 s]
/proc/loadavg: 0.95 0.98 0.99 2/78 2444
/proc/meminfo: memFree=1671720/2055920 swapFree=4154904/4192956
[pid=2443] ppid=2441 vsize=14928 CPUtime=34.81
/proc/2443/stat : 2443 (mmisat) R 2441 2443 2043 0 -1 4194304 5228 0 0 0 3479 2 0 0 25 0 1 0 216074512 15286272 3586 18446744073709551615 134512640 135391789 4294956624 18446744073709551615 134554744 0 0 4096 0 0 0 0 17 1 0 0
/proc/2443/statm: 3732 3586 87 214 0 3514 0
Current children cumulated CPU time (s) 34.81
Current children cumulated vsize (KiB) 14928

[startup+34.9351 s]
/proc/loadavg: 0.95 0.98 0.99 2/78 2444
/proc/meminfo: memFree=1653480/2055920 swapFree=4154904/4192956
[pid=2443] ppid=2441 vsize=14940 CPUtime=34.91
/proc/2443/stat : 2443 (mmisat) R 2441 2443 2043 0 -1 4195840 5245 0 0 0 3485 6 0 0 25 0 1 0 216074512 15298560 3600 18446744073709551615 134512640 135391789 4294956624 18446744073709551615 134513353 0 0 4096 0 0 0 0 17 1 0 0
/proc/2443/statm: 3735 3600 90 214 0 3517 0
Current children cumulated CPU time (s) 34.91
Current children cumulated vsize (KiB) 14940

Child ended because it received signal 11 (SIGSEGV)
Real time (s): 34.9525
CPU time (s): 34.9387
CPU user time (s): 34.8567
CPU system time (s): 0.081987
CPU usage (%): 99.9606
Max. virtual memory (cumulated for all children) (KiB): 21020

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 34.8567
system time used= 0.081987
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 5251
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= 5
involuntary context switches= 54

runsolver used 0.036994 second user time and 0.097985 second system time

The end



Launcher Data (download as text)




Begin job on node12 on Tue Feb 20 08:46:41 UTC 2007

IDJOB= 301271
IDBENCH= 20055
IDSOLVER= 108
FILE ID= node12/301271-1171961200

PBS_JOBID= 3849005

Free space on /tmp= 66550 MiB

SOLVER NAME= Mmisat 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/random/LargeSize/5SAT/v600/unif-k5-r20-v600-c12000-S471246417-03.cnf
COMMAND LINE= /tmp/evaluation/301271-1171961200/mmisat /tmp/evaluation/301271-1171961200/instance-301271-1171961200.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node12/watcher-301271-1171961200 -o ROOT/results/node12/solver-301271-1171961200 -C 1200 -M 1800 --output-limit 1,15  /tmp/evaluation/301271-1171961200/mmisat /tmp/evaluation/301271-1171961200/instance-301271-1171961200.cnf            

META MD5SUM SOLVER= f0471644c1818c6834832b41e70bf7e6
MD5SUM BENCH=  0eb79e36a6a126bd4e244caabd87546c

RANDOM SEED= 774352286

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node12.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		: 3000.285
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		: 3000.285
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:       1679168 kB
Buffers:         52392 kB
Cached:         229912 kB
SwapCached:      18052 kB
Active:         177408 kB
Inactive:       130952 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1679168 kB
SwapTotal:     4192956 kB
SwapFree:      4154904 kB
Dirty:            1440 kB
Writeback:           0 kB
Mapped:          29780 kB
Slab:            54008 kB
Committed_AS:  1022856 kB
PageTables:       1692 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= 66537 MiB

End job on node12 on Tue Feb 20 08:47:16 UTC 2007