Trace number 1554857

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
gNovelty+-T 2009-03-22Signal 0.538917 0.520404

General information on the benchmark

NameAPPLICATIONS/bitverif/
smulo/smulo016.cnf
MD5SUM576249eded8a3c95c0b3aa8dcd51992e
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark12.2751
Satisfiable
(Un)Satisfiability was proved
Number of variables2945
Number of clauses8738
Sum of the clauses size20386
Maximum clause length3
Minimum clause length1
Number of clauses of size 12
Number of clauses of size 25824
Number of clauses of size 32912
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

0.09/0.14	c +------------------------------+
0.09/0.14	c | gNovelty+, version 1.0       |
0.09/0.14	c +------------------------------+
0.09/0.14	c gnovelty+ -h for help
0.09/0.14	c

Verifier Data 

ERROR: Unexpected answer ! (SATISFIABLE/UNSATISFIABLE expected)
Got answer: <no 's ' line found>

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1554857-1238733383/watcher-1554857-1238733383 -o /tmp/evaluation-result-1554857-1238733383/solver-1554857-1238733383 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/gnovelty+ HOME/instance-1554857-1238733383.cnf 1916734893 2 

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): 1800 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: 1.08 1.50 1.37 3/80 13872
/proc/meminfo: memFree=1759144/2055912 swapFree=4170688/4192956
[pid=13872] ppid=13870 vsize=509152 CPUtime=0
/proc/13872/stat : 13872 (gnovelty+) R 13870 13872 13527 0 -1 4194304 1260 0 0 0 0 0 0 0 18 0 1 0 1146002189 521371648 1245 1992294400 134512640 135680988 4294956192 18446744073709551615 134537167 0 0 4096 0 0 0 0 17 1 0 0
/proc/13872/statm: 127288 1253 101 285 0 127000 0

[startup+0.021543 s]
/proc/loadavg: 1.08 1.50 1.37 3/80 13872
/proc/meminfo: memFree=1759144/2055912 swapFree=4170688/4192956
[pid=13872] ppid=13870 vsize=509152 CPUtime=0.01
/proc/13872/stat : 13872 (gnovelty+) R 13870 13872 13527 0 -1 4194304 4410 0 0 0 0 1 0 0 18 0 1 0 1146002189 521371648 4395 1992294400 134512640 135680988 4294956192 18446744073709551615 134537167 0 0 4096 0 0 0 0 17 1 0 0
/proc/13872/statm: 127288 4404 101 285 0 127000 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 509152

[startup+0.102552 s]
/proc/loadavg: 1.08 1.50 1.37 3/80 13872
/proc/meminfo: memFree=1759144/2055912 swapFree=4170688/4192956
[pid=13872] ppid=13870 vsize=516964 CPUtime=0.09
/proc/13872/stat : 13872 (gnovelty+) R 13870 13872 13527 0 -1 4194304 15050 0 0 0 3 6 0 0 18 0 1 0 1146002189 529371136 15034 1992294400 134512640 135680988 4294956192 18446744073709551615 134537905 0 0 4096 0 0 0 0 17 1 0 0
/proc/13872/statm: 129241 15040 102 285 0 128953 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 516964

[startup+0.302571 s]
/proc/loadavg: 1.08 1.50 1.37 3/80 13872
/proc/meminfo: memFree=1759144/2055912 swapFree=4170688/4192956
[pid=13872] ppid=13870 vsize=529872 CPUtime=0.31
/proc/13872/stat : 13872 (gnovelty+) R 13870 13872 13527 0 -1 4195840 22660 0 0 0 9 22 0 0 18 0 2 0 1146002189 542588928 19879 1992294400 134512640 135680988 4294956192 18446744073709551615 134532934 0 0 4096 0 18446744073709551615 0 0 17 1 0 0
/proc/13872/statm: 132468 19879 106 285 0 132180 0
Current children cumulated CPU time (s) 0.31
Current children cumulated vsize (KiB) 529872

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

[startup+0.502591 s]
/proc/loadavg: 1.08 1.50 1.37 3/80 13872
/proc/meminfo: memFree=1759144/2055912 swapFree=4170688/4192956
[pid=13872] ppid=13870 vsize=529872 CPUtime=0.51
/proc/13872/stat : 13872 (gnovelty+) R 13870 13872 13527 0 -1 4195840 23746 0 0 0 9 42 0 0 19 0 2 0 1146002189 542588928 19879 1992294400 134512640 135680988 4294956192 18446744073709551615 134532934 0 0 4096 0 18446744073709551615 0 0 17 1 0 0
/proc/13872/statm: 132468 19879 106 285 0 132180 0
Current children cumulated CPU time (s) 0.51
Current children cumulated vsize (KiB) 529872

Child ended because it received signal 11 (SIGSEGV)
Child dumped core
Real time (s): 0.520404
CPU time (s): 0.538917
CPU user time (s): 0.097985
CPU system time (s): 0.440932
CPU usage (%): 103.557
Max. virtual memory (cumulated for all children) (KiB): 529872

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.097985
system time used= 0.440932
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 24783
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= 3

runsolver used 0.004999 second user time and 0.006998 second system time

The end

Launcher Data 

Begin job on node78 at 2009-04-03 06:36:23
IDJOB=1554857
IDBENCH=70788
IDSOLVER=550
FILE ID=node78/1554857-1238733383
PBS_JOBID= 9085353
Free space on /tmp= 126852 MiB

SOLVER NAME= gNovelty+-T 2009-03-22
BENCH NAME= SAT09/APPLICATIONS/bitverif/smulo/smulo016.cnf
COMMAND LINE= HOME/gnovelty+ BENCHNAME RANDOMSEED MAXNBTHREAD
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1554857-1238733383/watcher-1554857-1238733383 -o /tmp/evaluation-result-1554857-1238733383/solver-1554857-1238733383 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/gnovelty+ HOME/instance-1554857-1238733383.cnf 1916734893 2

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 2

MD5SUM BENCH= 576249eded8a3c95c0b3aa8dcd51992e
RANDOM SEED=1916734893

node78.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		: 3000.214
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		: 3000.214
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:      2055912 kB
MemFree:       1759560 kB
Buffers:         43696 kB
Cached:         169512 kB
SwapCached:       7792 kB
Active:          76208 kB
Inactive:       147496 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055912 kB
LowFree:       1759560 kB
SwapTotal:     4192956 kB
SwapFree:      4170688 kB
Dirty:            1592 kB
Writeback:           0 kB
Mapped:          16140 kB
Slab:            56820 kB
Committed_AS:  2835348 kB
PageTables:       2556 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264960 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 126772 MiB
End job on node78 at 2009-04-03 06:36:24