Trace number 320223

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
KCNFS SMP? (exit code) 1.82072 1.82258

General information on the benchmark

Nameindustrial/manolios/
manol-pipe-c10nidw_s.cnf
MD5SUM7989bb134c6f50cb418407e85e733980
Bench CategoryINDUST (industrial instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark29.1476
Satisfiable
(Un)Satisfiability was proved
Number of variables404382
Number of clauses1204273
Sum of the clauses size2809969
Maximum clause length3
Minimum clause length1
Number of clauses of size 11
Number of clauses of size 2802848
Number of clauses of size 3401424
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data (download as text)

0.00/0.00	
0.00/0.00	c Computed by /tmp/evaluation/320223-1173042793/kcnfs-smp   V. 1.2
0.00/0.00	c reading file ... done
1.79/1.80	c this formula cannot be solved by kcnfs-smp
1.79/1.80

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/node4/watcher-320223-1173042793 -o ROOT/results/node4/solver-320223-1173042793 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/320223-1173042793/kcnfs-smp /tmp/evaluation/320223-1173042793/instance-320223-1173042793.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: 0.91 0.96 0.98 3/77 3626
/proc/meminfo: memFree=1808424/2055920 swapFree=4191880/4192956
[pid=3626] ppid=3624 vsize=180916 CPUtime=0
/proc/3626/stat : 3626 (kcnfs-smp) R 3624 3626 3512 0 -1 4194304 126 0 0 0 0 0 0 0 18 0 1 0 324234216 185257984 111 18446744073709551615 134512640 135172044 4294956704 18446744073709551615 134820679 0 0 4096 0 0 0 0 17 1 0 0
/proc/3626/statm: 45229 111 48 160 0 45067 0

[startup+0.042136 s]
/proc/loadavg: 0.91 0.96 0.98 3/77 3626
/proc/meminfo: memFree=1808424/2055920 swapFree=4191880/4192956
[pid=3626] ppid=3624 vsize=183028 CPUtime=0.03
/proc/3626/stat : 3626 (kcnfs-smp) R 3624 3626 3512 0 -1 4194304 647 0 0 0 3 0 0 0 18 0 1 0 324234216 187420672 632 18446744073709551615 134512640 135172044 4294956704 18446744073709551615 134820679 0 0 4096 0 0 0 0 17 1 0 0
/proc/3626/statm: 45757 633 48 160 0 45595 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 183028

[startup+0.101142 s]
/proc/loadavg: 0.91 0.96 0.98 3/77 3626
/proc/meminfo: memFree=1808424/2055920 swapFree=4191880/4192956
[pid=3626] ppid=3624 vsize=186064 CPUtime=0.09
/proc/3626/stat : 3626 (kcnfs-smp) R 3624 3626 3512 0 -1 4194304 1420 0 0 0 9 0 0 0 18 0 1 0 324234216 190529536 1405 18446744073709551615 134512640 135172044 4294956704 18446744073709551615 134841789 0 0 4096 0 0 0 0 17 1 0 0
/proc/3626/statm: 46516 1406 48 160 0 46354 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 186064

[startup+0.301161 s]
/proc/loadavg: 0.91 0.96 0.98 3/77 3626
/proc/meminfo: memFree=1808424/2055920 swapFree=4191880/4192956
[pid=3626] ppid=3624 vsize=196624 CPUtime=0.29
/proc/3626/stat : 3626 (kcnfs-smp) R 3624 3626 3512 0 -1 4194304 4037 0 0 0 27 2 0 0 19 0 1 0 324234216 201342976 4022 18446744073709551615 134512640 135172044 4294956704 18446744073709551615 134820679 0 0 4096 0 0 0 0 17 1 0 0
/proc/3626/statm: 49156 4023 48 160 0 48994 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 196624

[startup+0.7012 s]
/proc/loadavg: 0.91 0.96 0.98 3/77 3626
/proc/meminfo: memFree=1808424/2055920 swapFree=4191880/4192956
[pid=3626] ppid=3624 vsize=217480 CPUtime=0.69
/proc/3626/stat : 3626 (kcnfs-smp) R 3624 3626 3512 0 -1 4194304 9245 0 0 0 64 5 0 0 23 0 1 0 324234216 222699520 9230 18446744073709551615 134512640 135172044 4294956704 18446744073709551615 134820679 0 0 4096 0 0 0 0 17 1 0 0
/proc/3626/statm: 54370 9231 48 160 0 54208 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 217480

[startup+1.50128 s]
/proc/loadavg: 0.91 0.96 0.98 2/78 3627
/proc/meminfo: memFree=1755936/2055920 swapFree=4191880/4192956
[pid=3626] ppid=3624 vsize=258928 CPUtime=1.49
/proc/3626/stat : 3626 (kcnfs-smp) R 3624 3626 3512 0 -1 4194304 19636 0 0 0 139 10 0 0 25 0 1 0 324234216 265142272 19621 18446744073709551615 134512640 135172044 4294956704 18446744073709551615 134820679 0 0 4096 0 0 0 0 17 1 0 0
/proc/3626/statm: 64732 19622 48 160 0 64570 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 258928

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

[startup+1.70129 s]
/proc/loadavg: 0.91 0.96 0.98 2/78 3627
/proc/meminfo: memFree=1755936/2055920 swapFree=4191880/4192956
[pid=3626] ppid=3624 vsize=269356 CPUtime=1.69
/proc/3626/stat : 3626 (kcnfs-smp) R 3624 3626 3512 0 -1 4194304 22237 0 0 0 157 12 0 0 25 0 1 0 324234216 275820544 22222 18446744073709551615 134512640 135172044 4294956704 18446744073709551615 134820679 0 0 4096 0 0 0 0 17 1 0 0
/proc/3626/statm: 67339 22223 48 160 0 67177 0
Current children cumulated CPU time (s) 1.69
Current children cumulated vsize (KiB) 269356

[startup+1.8013 s]
/proc/loadavg: 0.91 0.96 0.98 2/78 3627
/proc/meminfo: memFree=1755936/2055920 swapFree=4191880/4192956
[pid=3626] ppid=3624 vsize=274636 CPUtime=1.79
/proc/3626/stat : 3626 (kcnfs-smp) R 3624 3626 3512 0 -1 4194304 23538 0 0 0 167 12 0 0 25 0 1 0 324234216 281227264 23523 18446744073709551615 134512640 135172044 4294956704 18446744073709551615 134820679 0 0 4096 0 0 0 0 17 1 0 0
/proc/3626/statm: 68659 23524 48 160 0 68497 0
Current children cumulated CPU time (s) 1.79
Current children cumulated vsize (KiB) 274636

Child status: 1
Real time (s): 1.82258
CPU time (s): 1.82072
CPU user time (s): 1.67874
CPU system time (s): 0.141978
CPU usage (%): 99.8983
Max. virtual memory (cumulated for all children) (KiB): 274636

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.67874
system time used= 0.141978
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 23594
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= 38

runsolver used 0.005999 second user time and 0.005999 second system time

The end

Launcher Data (download as text)

Begin job on node4 on Sun Mar  4 21:13:14 UTC 2007

IDJOB= 320223
IDBENCH= 20498
IDSOLVER= 112
FILE ID= node4/320223-1173042793

PBS_JOBID= 4012265

Free space on /tmp= 66518 MiB

SOLVER NAME= KCNFS SMP
BENCH NAME= HOME/pub/bench/SAT07/industrial/manolios/manol-pipe-c10nidw_s.cnf
COMMAND LINE= /tmp/evaluation/320223-1173042793/kcnfs-smp /tmp/evaluation/320223-1173042793/instance-320223-1173042793.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node4/watcher-320223-1173042793 -o ROOT/results/node4/solver-320223-1173042793 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/320223-1173042793/kcnfs-smp /tmp/evaluation/320223-1173042793/instance-320223-1173042793.cnf            

META MD5SUM SOLVER= 23f87ccf1c743ff5b6146b444e216cd3
MD5SUM BENCH=  7989bb134c6f50cb418407e85e733980

RANDOM SEED= 93028469

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node4.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:       1808832 kB
Buffers:         21060 kB
Cached:         102168 kB
SwapCached:         56 kB
Active:          79092 kB
Inactive:       102848 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1808832 kB
SwapTotal:     4192956 kB
SwapFree:      4191880 kB
Dirty:           25204 kB
Writeback:           0 kB
Mapped:          69048 kB
Slab:            50724 kB
Committed_AS:  1215936 kB
PageTables:       1768 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= 66518 MiB

End job on node4 on Sun Mar  4 21:13:16 UTC 2007