Trace number 331508

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) 8.5377 8.57761

General information on the benchmark

Nameindustrial/vliw_sat_4.0/
9vliw_m_9stages_iq3_C1_bug3.cnf
MD5SUMdc050785d671b86f856b07b158553686
Bench CategoryINDUST (industrial instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark53.1199
Satisfiable
(Un)Satisfiability was proved
Number of variables521046
Number of clauses13376161
Sum of the clauses size39197797
Maximum clause length6689
Minimum clause length1
Number of clauses of size 11
Number of clauses of size 28713411
Number of clauses of size 34208212
Number of clauses of size 425250
Number of clauses of size 515675
Number of clauses of size over 5413612

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/node10/watcher-331508-1173184745 -o ROOT/results/node10/solver-331508-1173184745 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/331508-1173184745/mmisat /tmp/evaluation/331508-1173184745/instance-331508-1173184745.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: 1.02 0.98 0.98 3/77 27875
/proc/meminfo: memFree=1378880/2055920 swapFree=4168812/4192956
[pid=27875] ppid=27873 vsize=2580 CPUtime=0
/proc/27875/stat : 27875 (mmisat) R 27873 27875 26476 0 -1 4194304 685 0 0 0 0 0 0 0 18 0 1 0 338431383 2641920 476 18446744073709551615 134512640 135391789 4294956704 18446744073709551615 134523165 0 0 4096 0 0 0 0 17 1 0 0
/proc/27875/statm: 645 476 80 214 0 427 0

[startup+0.00870391 s]
/proc/loadavg: 1.02 0.98 0.98 3/77 27875
/proc/meminfo: memFree=1378880/2055920 swapFree=4168812/4192956
[pid=27875] ppid=27873 vsize=3540 CPUtime=0
/proc/27875/stat : 27875 (mmisat) R 27873 27875 26476 0 -1 4194304 1211 0 0 0 0 0 0 0 18 0 1 0 338431383 3624960 715 18446744073709551615 134512640 135391789 4294956704 18446744073709551615 134522779 0 0 4096 0 0 0 0 17 1 0 0
/proc/27875/statm: 933 720 80 214 0 715 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 3540

[startup+0.101715 s]
/proc/loadavg: 1.02 0.98 0.98 3/77 27875
/proc/meminfo: memFree=1378880/2055920 swapFree=4168812/4192956
[pid=27875] ppid=27873 vsize=28500 CPUtime=0.09
/proc/27875/stat : 27875 (mmisat) R 27873 27875 26476 0 -1 4194304 13778 0 0 0 4 5 0 0 18 0 1 0 338431383 29184000 6945 18446744073709551615 134512640 135391789 4294956704 18446744073709551615 134522779 0 0 4096 0 0 0 0 17 1 0 0
/proc/27875/statm: 7125 6954 80 214 0 6907 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 28500

[startup+0.301743 s]
/proc/loadavg: 1.02 0.98 0.98 3/77 27875
/proc/meminfo: memFree=1378880/2055920 swapFree=4168812/4192956
[pid=27875] ppid=27873 vsize=82836 CPUtime=0.29
/proc/27875/stat : 27875 (mmisat) R 27873 27875 26476 0 -1 4194304 40816 0 0 0 14 15 0 0 19 0 1 0 338431383 84824064 20543 18446744073709551615 134512640 135391789 4294956704 18446744073709551615 134522779 0 0 4096 0 0 0 0 17 1 0 0
/proc/27875/statm: 20709 20545 80 214 0 20491 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 82836

[startup+0.701796 s]
/proc/loadavg: 1.02 0.98 0.98 3/77 27875
/proc/meminfo: memFree=1378880/2055920 swapFree=4168812/4192956
[pid=27875] ppid=27873 vsize=189204 CPUtime=0.69
/proc/27875/stat : 27875 (mmisat) R 27873 27875 26476 0 -1 4194304 94009 0 0 0 34 35 0 0 23 0 1 0 338431383 193744896 47144 18446744073709551615 134512640 135391789 4294956704 18446744073709551615 134522779 0 0 4096 0 0 0 0 17 1 0 0
/proc/27875/statm: 47301 47144 80 214 0 47083 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 189204

[startup+1.50291 s]
/proc/loadavg: 1.02 0.98 0.98 2/78 27876
/proc/meminfo: memFree=1111032/2055920 swapFree=4168812/4192956
[pid=27875] ppid=27873 vsize=397140 CPUtime=1.49
/proc/27875/stat : 27875 (mmisat) R 27873 27875 26476 0 -1 4194304 198128 0 0 0 78 71 0 0 25 0 1 0 338431383 406671360 99135 18446744073709551615 134512640 135391789 4294956704 18446744073709551615 134522779 0 0 4096 0 0 0 0 17 1 0 0
/proc/27875/statm: 99285 99142 80 214 0 99067 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 397140

[startup+3.10112 s]
/proc/loadavg: 1.02 0.98 0.98 2/78 27876
/proc/meminfo: memFree=829688/2055920 swapFree=4168812/4192956
[pid=27875] ppid=27873 vsize=794712 CPUtime=3.09
/proc/27875/stat : 27875 (mmisat) R 27873 27875 26476 0 -1 4194304 396764 0 0 0 168 141 0 0 25 0 1 0 338431383 813785088 198507 18446744073709551615 134512640 135391789 4294956704 18446744073709551615 134522779 0 0 4096 0 0 0 0 17 1 0 0
/proc/27875/statm: 198678 198512 80 214 0 198460 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 794712

[startup+6.30156 s]
/proc/loadavg: 1.02 0.98 0.98 2/78 27876
/proc/meminfo: memFree=44856/2055920 swapFree=4168812/4192956
[pid=27875] ppid=27873 vsize=1522464 CPUtime=6.29
/proc/27875/stat : 27875 (mmisat) R 27873 27875 26476 0 -1 4194304 760581 0 0 0 357 272 0 0 25 0 1 0 338431383 1559003136 380404 18446744073709551615 134512640 135391789 4294956704 18446744073709551615 134522776 0 0 4096 0 0 0 0 17 0 0 0
/proc/27875/statm: 380616 380404 80 214 0 380398 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 1522464



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+8.30183 s]
/proc/loadavg: 1.01 0.98 0.98 3/78 27876
/proc/meminfo: memFree=15288/2055920 swapFree=4168784/4192956
[pid=27875] ppid=27873 vsize=1850592 CPUtime=8.26
/proc/27875/stat : 27875 (mmisat) R 27873 27875 26476 0 -1 4194304 924661 0 0 0 478 348 0 0 25 0 1 0 338431383 1895006208 462500 18446744073709551615 134512640 135391789 4294956704 18446744073709551615 134522779 0 0 4096 0 0 0 0 17 1 0 0
/proc/27875/statm: 462696 462506 80 214 0 462478 0
Current children cumulated CPU time (s) 8.26
Current children cumulated vsize (KiB) 1850592

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

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

[startup+8.4072 s]
/proc/loadavg: 1.01 0.98 0.98 3/78 27876
/proc/meminfo: memFree=15288/2055920 swapFree=4168784/4192956
[pid=27875] ppid=27873 vsize=0 CPUtime=8.36
/proc/27875/stat : 27875 (mmisat) R 27873 27875 26476 0 -1 4195332 924705 0 0 0 478 358 0 0 25 0 1 0 338431383 0 0 18446744073709551615 0 0 0 0 0 0 0 4096 0 0 0 0 17 0 0 0
/proc/27875/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 8.36
Current children cumulated vsize (KiB) 0

[startup+8.50228 s]
/proc/loadavg: 1.01 0.98 0.98 3/78 27876
/proc/meminfo: memFree=15288/2055920 swapFree=4168784/4192956
[pid=27875] ppid=27873 vsize=0 CPUtime=8.45
/proc/27875/stat : 27875 (mmisat) R 27873 27875 26476 0 -1 4195332 924705 0 0 0 478 367 0 0 25 0 1 0 338431383 0 0 18446744073709551615 0 0 0 0 0 0 0 4096 0 0 0 0 17 0 0 0
/proc/27875/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 8.45
Current children cumulated vsize (KiB) 0

Child ended because it received signal 15 (SIGTERM)
Real time (s): 8.57761
CPU time (s): 8.5377
CPU user time (s): 4.78627
CPU system time (s): 3.75143
CPU usage (%): 99.5347
Max. virtual memory (cumulated for all children) (KiB): 1850592

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 4.78627
system time used= 3.75143
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 924705
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= 9
involuntary context switches= 180

runsolver used 0.012998 second user time and 0.027995 second system time

The end



Launcher Data (download as text)




Begin job on node10 on Tue Mar  6 12:39:24 UTC 2007

IDJOB= 331508
IDBENCH= 20589
IDSOLVER= 108
FILE ID= node10/331508-1173184745

PBS_JOBID= 4015027

Free space on /tmp= 66203 MiB

SOLVER NAME= Mmisat 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/industrial/vliw_sat_4.0/9vliw_m_9stages_iq3_C1_bug3.cnf
COMMAND LINE= /tmp/evaluation/331508-1173184745/mmisat /tmp/evaluation/331508-1173184745/instance-331508-1173184745.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node10/watcher-331508-1173184745 -o ROOT/results/node10/solver-331508-1173184745 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/331508-1173184745/mmisat /tmp/evaluation/331508-1173184745/instance-331508-1173184745.cnf            

META MD5SUM SOLVER= f0471644c1818c6834832b41e70bf7e6
MD5SUM BENCH=  dc050785d671b86f856b07b158553686

RANDOM SEED= 131809314

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node10.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		: 3000.232
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		: 3000.232
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:       1379288 kB
Buffers:         16212 kB
Cached:         527588 kB
SwapCached:       2648 kB
Active:         450876 kB
Inactive:       153520 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1379288 kB
SwapTotal:     4192956 kB
SwapFree:      4168812 kB
Dirty:          221680 kB
Writeback:           0 kB
Mapped:          68184 kB
Slab:            57600 kB
Committed_AS:  1671848 kB
PageTables:       1936 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= 66203 MiB

End job on node10 on Tue Mar  6 12:39:34 UTC 2007