Trace number 320827

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
SAT7 2007-02-08UNSAT 1.57876 1.57968

General information on the benchmark

Nameindustrial/babic/
xinetd/itox_vc965.cnf
MD5SUM867a6f6420a887007f0529947c09f327
Bench CategoryINDUST (industrial instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.236963
Satisfiable
(Un)Satisfiability was proved
Number of variables115769
Number of clauses338946
Sum of the clauses size884379
Maximum clause length3
Minimum clause length1
Number of clauses of size 17057
Number of clauses of size 2118345
Number of clauses of size 3213544
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data (download as text)

1.39/1.50	c Starting solver ...
1.49/1.50	s UNSATISFIABLE

Verifier Data (download as text)

No possible verification on an UNSAT instance

Watcher Data (download as text)

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

command line: runsolver --timestamp -w ROOT/results/node29/watcher-320827-1176324609 -o ROOT/results/node29/solver-320827-1176324609 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/320827-1176324609/sat7_bin /tmp/evaluation/320827-1176324609/instance-320827-1176324609.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: 0.93 0.97 0.98 3/77 28320
/proc/meminfo: memFree=1553408/2055920 swapFree=4192812/4192956
[pid=28320] ppid=28318 vsize=4824 CPUtime=0
/proc/28320/stat : 28320 (sat7_bin) R 28318 28320 27053 0 -1 4194304 563 0 0 0 0 0 0 0 18 0 1 0 80376665 4939776 546 18446744073709551615 134512640 135417445 4294956592 18446744073709551615 134534339 0 0 4096 0 0 0 0 17 1 0 0
/proc/28320/statm: 1206 550 89 220 0 983 0

[startup+0.068215 s]
/proc/loadavg: 0.93 0.97 0.98 3/77 28320
/proc/meminfo: memFree=1553408/2055920 swapFree=4192812/4192956
[pid=28320] ppid=28318 vsize=15056 CPUtime=0.06
/proc/28320/stat : 28320 (sat7_bin) R 28318 28320 27053 0 -1 4194304 2892 0 0 0 5 1 0 0 18 0 1 0 80376665 15417344 2875 18446744073709551615 134512640 135417445 4294956592 18446744073709551615 134530789 0 0 4096 0 0 0 0 17 1 0 0
/proc/28320/statm: 3764 2876 88 220 0 3541 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 15056

[startup+0.102217 s]
/proc/loadavg: 0.93 0.97 0.98 3/77 28320
/proc/meminfo: memFree=1553408/2055920 swapFree=4192812/4192956
[pid=28320] ppid=28318 vsize=15188 CPUtime=0.09
/proc/28320/stat : 28320 (sat7_bin) R 28318 28320 27053 0 -1 4194304 3412 0 0 0 8 1 0 0 18 0 1 0 80376665 15552512 3395 18446744073709551615 134512640 135417445 4294956592 18446744073709551615 134847853 0 0 4096 0 0 0 0 17 1 0 0
/proc/28320/statm: 3797 3395 88 220 0 3574 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 15188

[startup+0.301231 s]
/proc/loadavg: 0.93 0.97 0.98 3/77 28320
/proc/meminfo: memFree=1553408/2055920 swapFree=4192812/4192956
[pid=28320] ppid=28318 vsize=19288 CPUtime=0.29
/proc/28320/stat : 28320 (sat7_bin) R 28318 28320 27053 0 -1 4194304 4017 0 0 0 28 1 0 0 19 0 1 0 80376665 19750912 4000 18446744073709551615 134512640 135417445 4294956592 18446744073709551615 134547059 0 0 4096 0 0 0 0 17 1 0 0
/proc/28320/statm: 4822 4000 88 220 0 4599 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 19288

[startup+0.702255 s]
/proc/loadavg: 0.93 0.97 0.98 3/77 28320
/proc/meminfo: memFree=1553408/2055920 swapFree=4192812/4192956
[pid=28320] ppid=28318 vsize=23388 CPUtime=0.69
/proc/28320/stat : 28320 (sat7_bin) R 28318 28320 27053 0 -1 4194304 5281 0 0 0 67 2 0 0 23 0 1 0 80376665 23949312 5264 18446744073709551615 134512640 135417445 4294956592 18446744073709551615 134546624 0 0 4096 0 0 0 0 17 1 0 0
/proc/28320/statm: 5847 5264 88 220 0 5624 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 23388

[startup+1.5013 s]
/proc/loadavg: 0.93 0.97 0.98 2/78 28321
/proc/meminfo: memFree=1528952/2055920 swapFree=4192812/4192956
[pid=28320] ppid=28318 vsize=37460 CPUtime=1.49
/proc/28320/stat : 28320 (sat7_bin) R 28318 28320 27053 0 -1 4194304 8662 0 0 0 145 4 0 0 25 0 1 0 80376665 38359040 8645 18446744073709551615 134512640 135417445 4294956592 18446744073709551615 134544213 0 0 4096 0 0 0 0 17 1 0 0
/proc/28320/statm: 9365 8645 92 220 0 9142 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 37460

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

Child status: 20
Real time (s): 1.57968
CPU time (s): 1.57876
CPU user time (s): 1.52977
CPU system time (s): 0.048992
CPU usage (%): 99.9416
Max. virtual memory (cumulated for all children) (KiB): 37460

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.52977
system time used= 0.048992
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 8770
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= 8
involuntary context switches= 4

runsolver used 0.003999 second user time and 0.008998 second system time

The end

Launcher Data (download as text)

Begin job on node29 on Wed Apr 11 20:50:09 UTC 2007

IDJOB= 320827
IDBENCH= 20513
IDSOLVER= 101
FILE ID= node29/320827-1176324609

PBS_JOBID= 4516719

Free space on /tmp= 66557 MiB

SOLVER NAME= SAT7 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/industrial/babic/xinetd/itox_vc965.cnf
COMMAND LINE= /tmp/evaluation/320827-1176324609/sat7_bin /tmp/evaluation/320827-1176324609/instance-320827-1176324609.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node29/watcher-320827-1176324609 -o ROOT/results/node29/solver-320827-1176324609 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/320827-1176324609/sat7_bin /tmp/evaluation/320827-1176324609/instance-320827-1176324609.cnf            

META MD5SUM SOLVER= 499b432f7af158d8586c91b2e490220f
MD5SUM BENCH=  867a6f6420a887007f0529947c09f327

RANDOM SEED= 294293172

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node29.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		: 3000.224
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		: 3000.224
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:       1553752 kB
Buffers:         27580 kB
Cached:         301948 kB
SwapCached:          0 kB
Active:         104644 kB
Inactive:       282908 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1553752 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            7580 kB
Writeback:           0 kB
Mapped:          76904 kB
Slab:           100008 kB
Committed_AS:   209872 kB
PageTables:       1872 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= 66557 MiB

End job on node29 on Wed Apr 11 20:50:11 UTC 2007