Trace number 1831620

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. The first timestamp (if present) is estimated CPU time. The last timestamp is wall clock 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
SApperloT baseUNSAT 22.9225 22.9312

General information on the benchmark

NameAPPLICATIONS/bitverif/
minxorminand/minxorminand032.cnf
MD5SUM49dda3faa6676166ee2ccb89f6cd8ca0
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark8.37073
Satisfiable
(Un)Satisfiability was proved
Number of variables10794
Number of clauses31997
Sum of the clauses size74657
Maximum clause length3
Minimum clause length1
Number of clauses of size 12
Number of clauses of size 221330
Number of clauses of size 310665
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

22.88/22.92	
22.88/22.92	s UNSATISFIABLE

Verifier Data 

No possible verification on an UNSAT instance

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1831620-1242774674/watcher-1831620-1242774674 -o /tmp/evaluation-result-1831620-1242774674/solver-1831620-1242774674 -C 10000 -W 12000 -M 1800 --output-limit 1,128 HOME/SApperloT-base -seed=756101163 HOME/instance-1831620-1242774674.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 10000 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 10030 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 12000 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 134217728 bytes. The first 1048576 bytes and the last 133169152 bytes will be preserved
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 0.97 0.96 0.98 3/64 6079
/proc/meminfo: memFree=1963248/2055920 swapFree=4180760/4192956
[pid=6079] ppid=6077 vsize=1960 CPUtime=0
/proc/6079/stat : 6079 (SApperloT-base) R 6077 6079 5988 0 -1 4194304 271 0 0 0 0 0 0 0 18 0 1 0 305502084 2007040 255 1992294400 134512640 135674940 4294956208 18446744073709551615 135113206 0 0 4096 0 0 0 0 17 1 0 0
/proc/6079/statm: 490 255 90 283 0 204 0

[startup+0.0728839 s]
/proc/loadavg: 0.97 0.96 0.98 3/64 6079
/proc/meminfo: memFree=1963248/2055920 swapFree=4180760/4192956
[pid=6079] ppid=6077 vsize=2888 CPUtime=0.06
/proc/6079/stat : 6079 (SApperloT-base) R 6077 6079 5988 0 -1 4194304 511 0 0 0 6 0 0 0 18 0 1 0 305502084 2957312 494 1992294400 134512640 135674940 4294956208 18446744073709551615 134564017 0 0 4096 0 0 0 0 17 1 0 0
/proc/6079/statm: 722 494 98 283 0 436 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 2888

[startup+0.101889 s]
/proc/loadavg: 0.97 0.96 0.98 3/64 6079
/proc/meminfo: memFree=1963248/2055920 swapFree=4180760/4192956
[pid=6079] ppid=6077 vsize=2888 CPUtime=0.09
/proc/6079/stat : 6079 (SApperloT-base) R 6077 6079 5988 0 -1 4194304 512 0 0 0 9 0 0 0 18 0 1 0 305502084 2957312 495 1992294400 134512640 135674940 4294956208 18446744073709551615 134564250 0 0 4096 0 0 0 0 17 1 0 0
/proc/6079/statm: 722 495 98 283 0 436 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 2888

[startup+0.301928 s]
/proc/loadavg: 0.97 0.96 0.98 3/64 6079
/proc/meminfo: memFree=1963248/2055920 swapFree=4180760/4192956
[pid=6079] ppid=6077 vsize=3284 CPUtime=0.29
/proc/6079/stat : 6079 (SApperloT-base) R 6077 6079 5988 0 -1 4194304 595 0 0 0 29 0 0 0 19 0 1 0 305502084 3362816 578 1992294400 134512640 135674940 4294956208 18446744073709551615 134564023 0 0 4096 0 0 0 0 17 1 0 0
/proc/6079/statm: 821 578 98 283 0 535 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 3284

[startup+0.702008 s]
/proc/loadavg: 0.97 0.96 0.98 3/64 6079
/proc/meminfo: memFree=1963248/2055920 swapFree=4180760/4192956
[pid=6079] ppid=6077 vsize=4208 CPUtime=0.69
/proc/6079/stat : 6079 (SApperloT-base) R 6077 6079 5988 0 -1 4194304 829 0 0 0 69 0 0 0 22 0 1 0 305502084 4308992 812 1992294400 134512640 135674940 4294956208 18446744073709551615 135113206 0 0 4096 0 0 0 0 17 1 0 0
/proc/6079/statm: 1052 812 98 283 0 766 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 4208

[startup+1.50117 s]
/proc/loadavg: 0.97 0.96 0.98 2/65 6080
/proc/meminfo: memFree=1959720/2055920 swapFree=4180760/4192956
[pid=6079] ppid=6077 vsize=6056 CPUtime=1.49
/proc/6079/stat : 6079 (SApperloT-base) R 6077 6079 5988 0 -1 4194304 1288 0 0 0 149 0 0 0 25 0 1 0 305502084 6201344 1271 1992294400 134512640 135674940 4294956208 18446744073709551615 135113206 0 0 4096 0 0 0 0 17 1 0 0
/proc/6079/statm: 1514 1271 98 283 0 1228 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 6056

[startup+3.10148 s]
/proc/loadavg: 0.97 0.96 0.98 2/65 6080
/proc/meminfo: memFree=1957096/2055920 swapFree=4180760/4192956
[pid=6079] ppid=6077 vsize=9100 CPUtime=3.09
/proc/6079/stat : 6079 (SApperloT-base) R 6077 6079 5988 0 -1 4194304 2023 0 0 0 308 1 0 0 25 0 1 0 305502084 9318400 2006 1992294400 134512640 135674940 4294956208 18446744073709551615 135113127 0 0 4096 0 0 0 0 17 1 0 0
/proc/6079/statm: 2275 2006 98 283 0 1989 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 9100

[startup+6.30112 s]
/proc/loadavg: 0.97 0.96 0.98 2/65 6080
/proc/meminfo: memFree=1952360/2055920 swapFree=4180760/4192956
[pid=6079] ppid=6077 vsize=13236 CPUtime=6.29
/proc/6079/stat : 6079 (SApperloT-base) R 6077 6079 5988 0 -1 4194304 3073 0 0 0 627 2 0 0 25 0 1 0 305502084 13553664 3056 1992294400 134512640 135674940 4294956208 18446744073709551615 135113206 0 0 4096 0 0 0 0 17 1 0 0
/proc/6079/statm: 3309 3056 98 283 0 3023 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 13236

[startup+12.7014 s]
/proc/loadavg: 0.98 0.96 0.98 2/65 6080
/proc/meminfo: memFree=1947496/2055920 swapFree=4180760/4192956
[pid=6079] ppid=6077 vsize=17108 CPUtime=12.68
/proc/6079/stat : 6079 (SApperloT-base) R 6077 6079 5988 0 -1 4194304 3986 0 0 0 1266 2 0 0 25 0 1 0 305502084 17518592 3969 1992294400 134512640 135674940 4294956208 18446744073709551615 134564694 0 0 4096 0 0 0 0 17 1 0 0
/proc/6079/statm: 4277 3969 98 283 0 3991 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 17108

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

[startup+19.1017 s]
/proc/loadavg: 0.98 0.96 0.98 2/65 6080
/proc/meminfo: memFree=1946088/2055920 swapFree=4180760/4192956
[pid=6079] ppid=6077 vsize=18920 CPUtime=19.09
/proc/6079/stat : 6079 (SApperloT-base) R 6077 6079 5988 0 -1 4194304 4345 0 0 0 1906 3 0 0 25 0 1 0 305502084 19374080 4328 1992294400 134512640 135674940 4294956208 18446744073709551615 134564271 0 0 4096 0 0 0 0 17 1 0 0
/proc/6079/statm: 4730 4328 98 283 0 4444 0
Current children cumulated CPU time (s) 19.09
Current children cumulated vsize (KiB) 18920

[startup+20.702 s]
/proc/loadavg: 0.98 0.96 0.98 2/65 6080
/proc/meminfo: memFree=1945832/2055920 swapFree=4180760/4192956
[pid=6079] ppid=6077 vsize=19596 CPUtime=20.68
/proc/6079/stat : 6079 (SApperloT-base) R 6077 6079 5988 0 -1 4194304 4449 0 0 0 2065 3 0 0 25 0 1 0 305502084 20066304 4432 1992294400 134512640 135674940 4294956208 18446744073709551615 134560324 0 0 4096 0 0 0 0 17 1 0 0
/proc/6079/statm: 4899 4432 98 283 0 4613 0
Current children cumulated CPU time (s) 20.68
Current children cumulated vsize (KiB) 19596

[startup+22.3013 s]
/proc/loadavg: 0.98 0.96 0.98 2/65 6080
/proc/meminfo: memFree=1945384/2055920 swapFree=4180760/4192956
[pid=6079] ppid=6077 vsize=19948 CPUtime=22.28
/proc/6079/stat : 6079 (SApperloT-base) R 6077 6079 5988 0 -1 4194304 4543 0 0 0 2225 3 0 0 25 0 1 0 305502084 20426752 4526 1992294400 134512640 135674940 4294956208 18446744073709551615 134539900 0 0 4096 0 0 0 0 17 1 0 0
/proc/6079/statm: 4987 4526 98 283 0 4701 0
Current children cumulated CPU time (s) 22.28
Current children cumulated vsize (KiB) 19948

[startup+22.7014 s]
/proc/loadavg: 0.98 0.96 0.98 2/65 6080
/proc/meminfo: memFree=1945384/2055920 swapFree=4180760/4192956
[pid=6079] ppid=6077 vsize=20140 CPUtime=22.68
/proc/6079/stat : 6079 (SApperloT-base) R 6077 6079 5988 0 -1 4194304 4570 0 0 0 2265 3 0 0 25 0 1 0 305502084 20623360 4553 1992294400 134512640 135674940 4294956208 18446744073709551615 134564271 0 0 4096 0 0 0 0 17 1 0 0
/proc/6079/statm: 5035 4553 98 283 0 4749 0
Current children cumulated CPU time (s) 22.68
Current children cumulated vsize (KiB) 20140

[startup+22.9014 s]
/proc/loadavg: 0.98 0.96 0.98 2/65 6080
/proc/meminfo: memFree=1945384/2055920 swapFree=4180760/4192956
[pid=6079] ppid=6077 vsize=20140 CPUtime=22.88
/proc/6079/stat : 6079 (SApperloT-base) R 6077 6079 5988 0 -1 4194304 4575 0 0 0 2285 3 0 0 25 0 1 0 305502084 20623360 4558 1992294400 134512640 135674940 4294956208 18446744073709551615 134564154 0 0 4096 0 0 0 0 17 1 0 0
/proc/6079/statm: 5035 4558 98 283 0 4749 0
Current children cumulated CPU time (s) 22.88
Current children cumulated vsize (KiB) 20140

Child status: 0
Real time (s): 22.9312
CPU time (s): 22.9225
CPU user time (s): 22.8845
CPU system time (s): 0.037994
CPU usage (%): 99.962
Max. virtual memory (cumulated for all children) (KiB): 20140

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 22.8845
system time used= 0.037994
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 4579
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= 2
involuntary context switches= 56

runsolver used 0.021996 second user time and 0.056991 second system time

The end

Launcher Data 

Begin job on node1 at 2009-05-20 01:11:14
IDJOB=1831620
IDBENCH=70759
IDSOLVER=642
FILE ID=node1/1831620-1242774674
PBS_JOBID= 9322319
Free space on /tmp= 66312 MiB

SOLVER NAME= SApperloT base
BENCH NAME= SAT09/APPLICATIONS/bitverif/minxorminand/minxorminand032.cnf
COMMAND LINE= HOME/SApperloT-base -seed=RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1831620-1242774674/watcher-1831620-1242774674 -o /tmp/evaluation-result-1831620-1242774674/solver-1831620-1242774674 -C 10000 -W 12000 -M 1800 --output-limit 1,128  HOME/SApperloT-base -seed=756101163 HOME/instance-1831620-1242774674.cnf

TIME LIMIT= 10000 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 49dda3faa6676166ee2ccb89f6cd8ca0
RANDOM SEED=756101163

node1.alineos.net Linux 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005

/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		: 3000.259
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	: 5931.00
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		: 3000.259
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:       1963664 kB
Buffers:         14036 kB
Cached:          43076 kB
SwapCached:       6604 kB
Active:          27556 kB
Inactive:        38188 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1963664 kB
SwapTotal:     4192956 kB
SwapFree:      4180760 kB
Dirty:            2044 kB
Writeback:           0 kB
Mapped:          13652 kB
Slab:            12468 kB
Committed_AS:  1074312 kB
PageTables:       1440 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= 66308 MiB
End job on node1 at 2009-05-20 01:11:37